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https://hackaday.com/2023/05/26/getting-into-nmr-without-the-superconducting-magnet/ | Getting Into NMR Without The Superconducting Magnet | Dan Maloney | [
"Misc Hacks"
] | [
"hydrogen",
"Larmor",
"magnetic resonance",
"mri",
"NMR",
"nuclear",
"sdr",
"waterfall"
] | Exploring the mysteries of quantum mechanics surely seems like an endeavor that requires room-sized equipment and racks of electronics, along with large buckets of grant money, to accomplish. And while that’s generally true, there’s quite a lot that can be accomplished on a considerably more modest budget, as
this as-s... | 14 | 6 | [
{
"comment_id": "6646881",
"author": "Prfesser",
"timestamp": "2023-05-26T11:25:05",
"content": "The old “The Amateur Scientist” in Scientific American had an article on how to build a magnetic resonance instrument…in the 1950s or early 60s…using vacuum tubes and an oscilloscope. Of course, it could... | 1,760,372,287.907243 | ||
https://hackaday.com/2023/05/26/when-the-professionals-trash-your-data-tape-can-it-still-be-recovered/ | When The Professionals Trash Your Data Tape, Can It Still Be Recovered? | Jenny List | [
"Retrocomputing"
] | [
"data recovery",
"frogger",
"onstream"
] | People trying to preserve digital artifacts held on old media often not only have to contend with the media themselves decaying, but also with obscure media formats for which there’s seemingly little chance of finding a working reader. [Kneesnap] had this problem with a tape containing the only known copy of all the as... | 17 | 3 | [
{
"comment_id": "6646857",
"author": "fhunter",
"timestamp": "2023-05-26T09:24:32",
"content": "IMO – shaming of the company MUST be done. So that others do not end up in the same situation.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6646862",
"a... | 1,760,372,288.072885 | ||
https://hackaday.com/2023/05/25/a-mobile-phone-from-1985/ | A Mobile Phone From 1985 | Bryan Cockfield | [
"Phone Hacks"
] | [
"80's",
"cell",
"cell phone",
"cellular",
"mobile",
"pcb",
"phone",
"retro",
"surface mount",
"teardown",
"technophone"
] | It might seem quaint through the lends of history we have the luxury of looking through, but in the mid 1980s it was a major symbol of status to be able to communicate on-the-go. Car phones and pagers were cutting-edge devices of the time, and even though there were some mobile cellular telephones, they were behemoths ... | 8 | 7 | [
{
"comment_id": "6646831",
"author": "hinspect",
"timestamp": "2023-05-26T05:22:44",
"content": "I was Junior Engineer for an FM/AM station back in 1981. The station owner had Mobilphones in his Car and Blazer and they looked like regular Telephones. I used the one in the Blazer when my Truck was be... | 1,760,372,288.011713 | ||
https://hackaday.com/2023/05/25/vehicle-to-grid-made-easy/ | Vehicle-to-Grid Made Easy | Bryan Cockfield | [
"green hacks"
] | [
"battery",
"battery pack",
"CAN",
"electric vehicle",
"ev",
"grid",
"inverter",
"Modbus",
"open source",
"vehicle-to-grid",
"vehicle-to-home"
] | As electric cars continue to see increased adoption, one associated technology that was touted long ago that still hasn’t seen widespread adoption is vehicle-to-grid or vehicle-to-home. Since most cars are parked most of the time, this would allow the cars to perform load-levelling for the grid or even act as emergency... | 37 | 9 | [
{
"comment_id": "6646813",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-05-26T02:10:59",
"content": "I wouldn’t have thought of doing that!That is some out of the box[y car] thinking.Even though it is already weather proof, I think it should have additional protection.(Though ... | 1,760,372,288.155205 | ||
https://hackaday.com/2023/05/25/hacking-the-ikea-obegransad-led-wall-lamp/ | Hacking The IKEA OBEGRÄNSAD LED Wall Lamp | Donald Papp | [
"home hacks",
"LED Hacks"
] | [
"ESP32",
"ikea hacks",
"LED panel",
"pixel lamp"
] | The IKEA OBEGRÄNSAD is a pixel-style LED wall lamp that comes with a few baked-in animations, and [ph1p]
improved it immensely
with an ESP32 board and new firmware. The new controller provides all kinds of great new abilities, including new modes and animations, WiFi control, and the ability to send your own images or ... | 18 | 11 | [
{
"comment_id": "6646774",
"author": "Clyde",
"timestamp": "2023-05-25T23:13:00",
"content": "Now it just needs a Bad Apple demo.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6646811",
"author": "malcolm",
"timestamp": "2023-05-26T01:56:21",
"con... | 1,760,372,288.275656 | ||
https://hackaday.com/2023/05/25/the-voltaic-pile-building-the-first-battery/ | The Voltaic Pile: Building The First Battery | Bryan Cockfield | [
"News"
] | [
"3d printed",
"battery",
"copper",
"demonstration",
"educational",
"electrolyte",
"spring",
"voltaic pile",
"zinc"
] | In the technologically-underpinned modern world, most of us interact with a battery of some sort every day. Whether that’s the starter battery in a car, the lithium battery in a phone, or even just the coin cell battery in a wrist watch, batteries underpin a lot of what makes society possible now. Not so in the early 1... | 11 | 3 | [
{
"comment_id": "6646745",
"author": "𐂀 𐂅",
"timestamp": "2023-05-25T21:16:55",
"content": "That is a great project to try with the kids, but they’d probably then want to move on to something rechargeable.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "664... | 1,760,372,287.959615 | ||
https://hackaday.com/2023/05/25/hackaday-prize-2023-hearing-sirens-when-drivers-cant/ | Hackaday Prize 2023: Hearing Sirens When Drivers Can’t | Donald Papp | [
"Machine Learning",
"Microcontrollers",
"The Hackaday Prize"
] | [
"2023 Hackaday Prize",
"ASSISTIVE TECH",
"audio",
"diy",
"machine learning",
"sirens"
] | [Jan Říha]’s
PionEar
device is a wonderful entry to the Assistive Tech portion of the
2023 Hackaday Prize
. It’s a small unit intended to perch within view of the driver in a vehicle, and it has one job: flash a light whenever a siren is detected. It is intended to provide drivers with a better awareness of emergency v... | 25 | 10 | [
{
"comment_id": "6646709",
"author": "CRJEEA",
"timestamp": "2023-05-25T19:24:25",
"content": "We could have short range transmitters on ambulances and fire engines, enabling a sort of RDS like feature, broadcast on a loop, announcing on the car’s radio that an emergency vehicle is approaching.",
... | 1,760,372,288.62342 | ||
https://hackaday.com/2023/05/25/new-drug-has-the-potential-as-dirty-bomb-antidote/ | New Drug Has Potential As Dirty Bomb Antidote | Dan Maloney | [
"Medical Hacks",
"News"
] | [
"actinide",
"antidote",
"chelation",
"dirty bomb",
"ion",
"isotope",
"medicine",
"Plutonium",
"uranium"
] | It perhaps goes without saying that one nuclear bomb can really ruin your day. The same is true for non-nuclear dirty bombs, which just use conventional explosives to disperse radioactive material over a wide area. Either way, the debris scattered by any type of radiation weapon has the potential to result in thousands... | 39 | 11 | [
{
"comment_id": "6646654",
"author": "TG",
"timestamp": "2023-05-25T15:34:17",
"content": "https://en.wikipedia.org/wiki/Dirty_bomb#TestsDirty bombs are complete BS FYI",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6646661",
"author": "trinkle33",
... | 1,760,372,288.555305 | ||
https://hackaday.com/2023/05/25/3d-model-subscriptions-are-coming-but-whos-buying/ | 3D Model Subscriptions Are Coming, But Who’s Buying? | Tom Nardi | [
"3d Printer hacks",
"Current Events",
"Featured",
"Interest",
"Slider"
] | [
"3D models",
"art",
"drm",
"Printables",
"Thangs"
] | We’ve all been there before — you need some 3D printable design that you figure must be common enough that somebody has already designed it, so you point your browser to Thingiverse or Printables, and in a few minutes you’ve got STL in hand and are ready to slice and print. If the design worked for you, perhaps you’ll ... | 51 | 29 | [
{
"comment_id": "6646629",
"author": "kotaKat",
"timestamp": "2023-05-25T14:13:30",
"content": "Some of these 3D modelers also provide you selling rights access when you subscribe to them, which makes it (vaguely) profitable if you feel like selling locally/to friends/etc — if anything, the selling ... | 1,760,372,288.469796 | ||
https://hackaday.com/2023/05/25/bankruptcy-sale-scatters-virgin-orbit-to-the-winds/ | Bankruptcy Sale Scatters Virgin Orbit To The Winds | Tom Nardi | [
"News",
"Space"
] | [
"commercial space",
"Launcher One",
"SmallSat",
"Virgin Orbit"
] | When Virgin Orbit filed for bankruptcy in April, it was clear the commercial launch provider was in serious trouble. Despite successfully putting four payloads into low Earth orbit, the spin-off of Richard Branson’s Virgin Galactic space tourism company had struggled to achieve a high enough launch cadence to become pr... | 19 | 11 | [
{
"comment_id": "6646596",
"author": "ono",
"timestamp": "2023-05-25T11:11:49",
"content": "Schadenfreude !",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6646603",
"author": "RichC",
"timestamp": "2023-05-25T11:58:31",
"content": "I wonder why the... | 1,760,372,288.219578 | ||
https://hackaday.com/2023/05/25/adding-variometer-functionality-to-gps/ | Adding Variometer Functionality To A GPS | Bryan Cockfield | [
"Transportation Hacks"
] | [
"altitude",
"atmega328",
"barometric pressure",
"firmware",
"flight",
"flying",
"gps",
"instrumentation",
"microcontroller",
"variometer"
] | Flying a glider, or similarly piloting a paraglider or hang glider, can all be pathways into aviation with a lower barrier of entry than powered flight. Sacrificing one’s engine does generate a few complexities, but can be rewarding as the pilot searches for various means of increasing altitude like ridge soaring or th... | 10 | 4 | [
{
"comment_id": "6646570",
"author": "Hephaix",
"timestamp": "2023-05-25T08:29:17",
"content": "This is a nice idea but you should be very confident in your engineering skills and engenering skills of the firmware developper to use this device. Usually, flight instruments are extensively tested and ... | 1,760,372,288.725862 | ||
https://hackaday.com/2023/05/24/glass-robot-from-a-solarpunk-future/ | Glass Robot From A Solarpunk Future | Navarre Bartz | [
"Art",
"Robots Hacks"
] | [
"robots",
"simone giertz",
"solarpunk",
"stained glass",
"tea"
] | You may have heard of a heart of glass or have a glass jaw, but have you ever seen a
glass robot
?
[Simone Giertz], has taken two of her favorite things, stained glass and robotics, and fused them into a single project. Using an existing metal robot arm as a template, she cut and soldered her stained glass panels befor... | 5 | 3 | [
{
"comment_id": "6646618",
"author": "robomonkey",
"timestamp": "2023-05-25T13:33:39",
"content": "Wonder if she’d be interested in using the fiberglass variants of stained glass. Not sure how many colors they have and if the look is the same, but the strength would be better.Perhaps also consider ... | 1,760,372,288.673047 | ||
https://hackaday.com/2023/05/24/3d-printing-bio-inspired-microphone-designs-based-on-moth-ears/ | 3D Printing Bio-Inspired Microphone Designs Based On Moth Ears | Maya Posch | [
"Science"
] | [
"Biomimetics",
"signal processing"
] | If many millions of years of evolution is good for anything, it is to develop microscopic structures that perform astounding tasks, such as the marvelous biology of insects. One of these structures are the ears of the lesser wax moth (
Achroia grisella
), whose mating behavior involves ultrasonic mating calls. These ca... | 5 | 4 | [
{
"comment_id": "6646529",
"author": "KSanger",
"timestamp": "2023-05-25T02:52:17",
"content": "UV curable rubbers like the Kodak Flexcel NX printing plate might be able to provide the resolution and flexibility needed.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment... | 1,760,372,289.210546 | ||
https://hackaday.com/2023/05/24/automatic-coin-sorter-brings-order-to-your-coin-jar/ | Automatic Coin Sorter Brings Order To Your Coin Jar | Dan Maloney | [
"Misc Hacks"
] | [
"arduino",
"bowl feeder",
"cash",
"coins",
"counter",
"euro",
"sorter"
] | Few things hold as much promise as the old coin jar. Unfortunately, what’s generally promised is tedium, as one faces the prospect of manually sorting, counting, and rolling the accumulated change of cash transactions past. Unless, of course, you’ve got
a fancy automatic coin sorter like this one
.
True, many banks hav... | 20 | 7 | [
{
"comment_id": "6646504",
"author": "Don Latham",
"timestamp": "2023-05-24T23:20:48",
"content": "And, when you take the neat rools to the nank, they break them open and count them over again…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6646514",
... | 1,760,372,289.530308 | ||
https://hackaday.com/2023/05/24/battery-bot-makes-sure-cordless-tool-packs-are-always-topped-up/ | Battery Bot Makes Sure Cordless Tool Packs Are Always Topped Up | Dan Maloney | [
"Tool Hacks"
] | [
"arduino",
"automation",
"battery",
"charger",
"cordless",
"lead screw",
"pack"
] | There was a time not that long ago when every tool was cordless. But now, cordless power tools have proliferated to the point where the mere thought of using a plain old wrist-twisting screwdriver is enough to trigger a bout of sympathetic repetitive injury. And the only thing worse than that is to discover that the ba... | 19 | 10 | [
{
"comment_id": "6646458",
"author": "m1ke",
"timestamp": "2023-05-24T20:33:08",
"content": "That was satisfying.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6646472",
"author": "real",
"timestamp": "2023-05-24T21:11:19",
"content": "Now that he... | 1,760,372,289.585503 | ||
https://hackaday.com/2023/05/24/own-more-than-one-scope-youve-got-nothing-on-this-guy/ | Own More Than One ‘Scope? You’ve Got Nothing On This Guy! | Jenny List | [
"History",
"Tool Hacks"
] | [
"oscilloscope",
"oscilloscope history",
"test equipment"
] | We’re guessing that quite a few of our readers have a surprising amount of redundant test gear, and we ourselves have to admit that more than one instrument adorns our benches. But we are mere dilettantes, amateurs if you will, compared to [Volke Kloke].
He’s got 350 of them in his average American home
, and we have t... | 18 | 7 | [
{
"comment_id": "6646417",
"author": "Tony M.",
"timestamp": "2023-05-24T18:52:42",
"content": "Anyone knows a link to a video showing the string thing in action?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6646599",
"author": "Cole",
"tim... | 1,760,372,289.267601 | ||
https://hackaday.com/2023/05/24/linux-fu-making-progress/ | Linux Fu: Making Progress | Al Williams | [
"Hackaday Columns",
"Linux Hacks",
"Slider"
] | [
"command line",
"linux"
] | The computer world looks different from behind a TeleType or other hardcopy terminal. Things that tend to annoy people about Unix or Linux these days were perfectly great when you were printing everything the computer said to you. Consider the brevity of most basic commands. When you copy a file, for example, it doesn’... | 12 | 6 | [
{
"comment_id": "6646399",
"author": "M_B",
"timestamp": "2023-05-24T17:46:35",
"content": "Neato and handy. Will be trying this out later",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6646429",
"author": "willmore",
"timestamp": "2023-05-24T19:22:08"... | 1,760,372,289.382786 | ||
https://hackaday.com/2023/05/24/new-zealands-first-microcomputer-may-be-this-1802/ | New Zealand’s First Microcomputer May Be This 1802 | Al Williams | [
"Interviews",
"Retrocomputing"
] | [
"1802",
"New Zealand",
"RCA 1802",
"retrocomputing"
] | Hardware hackers of a certain age likely got started with microcontrollers via the RCA 1802 — a relatively easy-to-use processor that was the subject of several excellent articles in
Popular Electronics
magazine back in the late 1970s. [Al’s Geek Lab] has an interview with [Hugh Anderson], who saw the articles and even... | 13 | 7 | [
{
"comment_id": "6646344",
"author": "Michael Black",
"timestamp": "2023-05-24T15:51:45",
"content": "Wern’t the articles in Popular Electronics written by someone at RCA, maybe the 1802 designer?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6646350",
... | 1,760,372,289.322239 | ||
https://hackaday.com/2023/05/24/the-art-and-science-of-making-beautiful-transparent-ice/ | The Art And Science Of Making Beautiful Transparent Ice | Lewin Day | [
"Featured",
"Interest",
"Misc Hacks",
"Original Art",
"Slider"
] | [
"clear ice",
"ghost ice",
"ice",
"ice ball",
"ice sphere",
"spherical ice",
"transparent ice"
] | For most of us, ice isn’t something we’ve thought about in detail since our high school science classes. For most of us, we pour some tap water into the ice trays, slam it in the freezer, and forget about it. Then we lob the frozen misshapen cubes into a beer and enjoy a quite literally ice-cold beverage.
However, ther... | 43 | 11 | [
{
"comment_id": "6646290",
"author": "Scott",
"timestamp": "2023-05-24T14:16:32",
"content": "Juat FYI, no one in Australia puts ice in their beer",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6646296",
"author": "Juat F.Y. Ingle",
"timestam... | 1,760,372,289.473433 | ||
https://hackaday.com/2023/05/24/hall-sensors-offer-drop-in-replacement-for-drifting-game-console-joysticks/ | Hall Sensors Offer Drop-In Replacement For Drifting Game Console Joysticks | Dan Maloney | [
"Games",
"Peripherals Hacks"
] | [
"AS5600",
"hall effect",
"Joystick",
"neodymium",
"planned obsolescence",
"potentiometer",
"shaft angle"
] | No bananas were harmed in the making of
this Hall effect drift-proof joystick replacement
. OK, not really — two bananas were turned to mush. But it’s OK, they’re just bananas, after all.
Why bananas, you ask? Because [Marius Heier] uses them to demonstrate what we all intuitively know — that rubbing something over and... | 46 | 12 | [
{
"comment_id": "6646222",
"author": "mesia",
"timestamp": "2023-05-24T11:24:52",
"content": "There’s an even simpler solution. Don’t buy consoles, don’t play video games. Life is much better when you don’t waste it on corporate entertainment.",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,372,289.66892 | ||
https://hackaday.com/2023/05/24/simulated-et-to-phone-home-from-mars-this-afternoon/ | Simulated ET To Phone Home From Mars This Afternoon | Al Williams | [
"News",
"Science",
"Space"
] | [
"alien",
"mars",
"SETI"
] | In science fiction movies, communicating with aliens is easy. In real life, though, we think it will be tough. Today, you’ll get your chance to see
how
tough when a SETI project uses the European Space Agency’s ExoMars Trace Gas Orbiter to
send a simulated alien message to the Earth
. The transmission is scheduled to h... | 31 | 13 | [
{
"comment_id": "6646197",
"author": "m1ke",
"timestamp": "2023-05-24T10:17:58",
"content": "Can’t wait to see some radio telescope operators jump out of their seat when they receive the signal, only to be let down when they hear “you didn’t get the memo?”",
"parent_id": null,
"depth": 1,
... | 1,760,372,289.739653 | ||
https://hackaday.com/2023/05/23/commodore-64-upgrade-in-modern-package/ | Commodore 64 Upgrade In Modern Package | Bryan Cockfield | [
"Retrocomputing"
] | [
"6502",
"8 bit",
"commander x16",
"commodore",
"fpga",
"modern",
"nes",
"retrocomputing",
"vera"
] | While the Commodore 64 was an immensely popular computer for its time, and still remains a strong favorite within the retrocomputing community, there’s a reason we’re not using modern Commodore-branded computers today. Intense competition, company mismanagement, and advancing beyond 8-bit computers too late in the game... | 50 | 17 | [
{
"comment_id": "6646064",
"author": "ono",
"timestamp": "2023-05-24T05:32:49",
"content": "I expect the price of this huge board to be over 1000USD. They sell the keyboard for over 200USD.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6646278",
"au... | 1,760,372,289.942093 | ||
https://hackaday.com/2023/05/23/keeping-the-noise-down-under-the-sea/ | Keeping The Noise Down Under The Sea | Navarre Bartz | [
"green hacks",
"Science"
] | [
"bubble curtain",
"marine",
"marine propulsion",
"noise pollution",
"ocean",
"offshore",
"offshore wind",
"plankton",
"propeller",
"subsea",
"undersea",
"whales"
] | Since sound is the primary sense used by most ocean life, disruptions to the natural noise levels in the ocean from human activities can be particularly problematic for marine life. [DW Planet A] has a video describing some of the ways we can
mitigate these disruptions
to our friends under the sea.
Being noisy neighbor... | 13 | 4 | [
{
"comment_id": "6645967",
"author": "HaHa",
"timestamp": "2023-05-24T02:58:40",
"content": "Can’t keep a pulse jet running underwater anyhow. :-(It sucks as boat propulsion, light weight no advantage on water. Still ‘100% efficient’.Perhaps a pulsejet powered surfboard, not going to be doing anythi... | 1,760,372,289.99212 | ||
https://hackaday.com/2023/05/23/gyroscope-walks-the-tightrope/ | Gyroscope Walks The Tightrope | Danie Conradie | [
"Toy Hacks"
] | [
"balancing robot",
"flywheel",
"gyroscope"
] | Gyroscopes are one of those physics phenomena that are a means to many ends, but can also enjoyed as a fascinating object in their own right. Case and point being [Hyperspace Pirate]’s
tightrope-balancing crawler
in the video after the break.
Inside the PLA and aluminum shell is a 3D-printed wheel with steel bolts arou... | 13 | 9 | [
{
"comment_id": "6645772",
"author": "cliff claven",
"timestamp": "2023-05-23T23:18:03",
"content": "https://xkcd.com/332/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6646142",
"author": "Ewald",
"timestamp": "2023-05-24T07:24:34",
... | 1,760,372,290.041872 | ||
https://hackaday.com/2023/05/23/handle-sheet-metal-with-the-power-of-microwave-oven-electromagnets/ | Handle Sheet Metal With The Power Of Microwave Oven Electromagnets | Dan Maloney | [
"Tool Hacks"
] | [
"electromagnet",
"material handling",
"microwave oven transformer",
"MOT",
"sheet metal"
] | For those of us who don’t do it every day, handling sheet metal can be a nerve-wracking affair. Sheet metal is thin, heavy, and sharp, and one wrong move while handling it can have much the same result as other such objects, like guillotine blades. If only there was a way to lessen the danger.
Perhaps something like
th... | 17 | 11 | [
{
"comment_id": "6645676",
"author": "Makemon69",
"timestamp": "2023-05-23T20:52:06",
"content": "You could use an gloves, but tbh this is much more awesome",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6645715",
"author": "cliff",
"timestamp": "2023-... | 1,760,372,290.092513 | ||
https://hackaday.com/2023/05/23/bike-camper-with-retro-flair/ | Bike Camper With Retro Flair | Navarre Bartz | [
"Transportation Hacks"
] | [
"bike camper",
"bike camping",
"camper",
"camping"
] | As we’re approaching summer here in the Northern Hemisphere, thoughts naturally turn toward road trips. While most people do this in their car, the [Dangie Bros]
built a 500 lb bike camper
for their own take on the great American Road Trip.
Taking a maximalist approach not seen in most bike campers, this behemoth has a... | 33 | 17 | [
{
"comment_id": "6645649",
"author": "TG",
"timestamp": "2023-05-23T19:01:15",
"content": "Should weld another bike to the front, add a crossbar to link the steering, and do a chariot tandem type of thing. And for God’s sake, if you’re going to have a propane stove and kitchen sink you may as well t... | 1,760,372,290.167853 | ||
https://hackaday.com/2023/05/23/remote-controlled-hypercar-slices-through-air/ | Remote-Controlled Hypercar Slices Through Air | Bryan Cockfield | [
"Toy Hacks"
] | [
"3d printed",
"aerodynamics",
"design",
"g force",
"high speed",
"rc",
"remote controlled",
"torque vectoring",
"vehicle"
] | Almost all entry-level physics courses, and even some well into a degree program, will have the student make some assumptions in order to avoid some complex topics later on. Most commonly this is something to the effect of “ignore the effects of wind resistance” which can make an otherwise simple question in math sever... | 17 | 6 | [
{
"comment_id": "6645660",
"author": "craig",
"timestamp": "2023-05-23T19:31:37",
"content": "Kinda surprised it’s “only” 2.6 lateral G, spitballin but I think F1 pulls like 4 lateral G and considering how, relatively, this car has no mass and essentially an epic power:weight ratio. Didn’t watch vid... | 1,760,372,290.6269 | ||
https://hackaday.com/2023/05/21/weve-got-a-saxaboom-at-home-son/ | We’ve Got A Saxaboom At Home Son | Matthew Carlson | [
"Musical Hacks",
"Toy Hacks"
] | [
"3d printed musical instruments",
"ESP32",
"saxaboom"
] | Most parents have heard a familiar story. Their lovely child comes up, having seen a celebrity rocking out with a funny $20 toy from the 80s, and asks for it. Of course, you reply, it’s just 20 dollars. However, a quick scan through eBay reveals that everyone else’s kid has also been asking for this obscure toy for a s... | 6 | 5 | [
{
"comment_id": "6645062",
"author": "70sJukebox",
"timestamp": "2023-05-22T08:39:30",
"content": "IIRC these things became unobtanium after Jack Black used one in a live part of Tenacious D shows.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6645095",
"... | 1,760,372,290.771623 | ||
https://hackaday.com/2023/05/21/watch-a-web-page-fetch-itself-over-tls-complete-with-commentary/ | Watch A Web Page Fetch Itself Over TLS, Complete With Commentary | Donald Papp | [
"Security Hacks",
"Software Hacks"
] | [
"annotated",
"binary",
"https",
"javascript",
"tls"
] | TLS, byte by byte
performs an unusual and interesting function: it fetches
itself
over
HTTPS
, and provides a complete annotation of what’s going on in the process, one byte at a time. Visit the site and give the button a click to watch it happen, it’s neat!
Transport Layer Security (
TLS
) is what’s responsible for en... | 12 | 2 | [
{
"comment_id": "6645018",
"author": "Miles",
"timestamp": "2023-05-22T03:23:37",
"content": "If I want to visit a website that isn’t https I go to gltron.org",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6645041",
"author": "Jouni",
"timestamp": "202... | 1,760,372,290.731621 | ||
https://hackaday.com/2023/05/21/hackaday-links-may-21-2023/ | Hackaday Links: May 21, 2023 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"am",
"amateur radio",
"amplitude modulation",
"balloon",
"beta tester",
"broadcast",
"Gmail",
"hackaday links",
"ham",
"infrasound",
"repeater",
"SpaceX",
"starship",
"stratosphere"
] | The reports of the death of automotive AM radio may have been greatly exaggerated. Regular readers will recall us harping on the issue of
automakers planning to exclude AM
from the infotainment systems in their latest offerings, which doesn’t seem to make a lot of sense given the reach of AM radio and its importance in... | 14 | 7 | [
{
"comment_id": "6644996",
"author": "Carl Smith",
"timestamp": "2023-05-22T01:22:32",
"content": "So they are going to send a email to a gmail account that hasn’t been logged into for two years to warn you that it will be deleted because it hasn’t been logged into for two years?",
"parent_id": ... | 1,760,372,290.49972 | ||
https://hackaday.com/2023/05/21/pill-dispenser-to-keep-you-on-track/ | Pill Dispenser To Keep You On Track | Danie Conradie | [
"Medical Hacks"
] | [
"3d printed",
"arduino",
"pill dispenser"
] | When forgetting to take medication on time can lead to a bad day or night, having a helper to keep you on track can greatly improve your life. [M. Bindhammer] faces this scenario every day, so he built his own
robotic pill dispenser
.
The core of the project is a 3D printed dispensing drum with individual pockets for m... | 11 | 5 | [
{
"comment_id": "6644959",
"author": "Kyle",
"timestamp": "2023-05-21T21:52:56",
"content": "I had thought about something like this some time ago. Rather than a servo just one of those plug in rotary timers. Downside is lack of smarts and time drift.",
"parent_id": null,
"depth": 1,
"re... | 1,760,372,290.679325 | ||
https://hackaday.com/2023/05/21/robotic-coffee-comes-to-brooklyn-but-will-it-stay/ | Robotic Coffee Comes To Brooklyn, But Will It Stay? | Donald Papp | [
"cooking hacks",
"Robots Hacks"
] | [
"automation",
"coffee",
"robotic",
"robots"
] | Robots are cool. Everyone knows it, and [Eater NY] highlights
a coffee shop with a robotic server opening in Brooklyn
. While robots able to prepare and serve drinks or food is not new, it isn’t every day a brick-and-mortar café with a robot behind the counter opens up. But expensive automation isn’t the only puzzle pi... | 25 | 11 | [
{
"comment_id": "6644874",
"author": "Neverm|nd",
"timestamp": "2023-05-21T17:58:37",
"content": "I’m not sure I want to feel ‘excited’ about this… But as to the ‘cashless’ comment… I mean we do still have ATMs and vending machines… No ?",
"parent_id": null,
"depth": 1,
"replies": []
}... | 1,760,372,290.56597 | ||
https://hackaday.com/2023/05/21/intel-suggests-dropping-everything-but-64-bit-from-x86-with-its-x86-s-proposal/ | Intel Suggests Dropping Everything But 64-Bit From X86 With Its X86-S Proposal | Maya Posch | [
"computer hacks"
] | [
"intel",
"x86",
"x86_64"
] | In a move that has a significant part of the internet flashing back to the innocent days of 2001 when Intel launched its Itanium architecture as a replacement for the then 32-bit only x86 architecture – before it getting bludgeoned by AMD’s competing x86_64 architecture – Intel has now
released a whitepaper
with associ... | 140 | 39 | [
{
"comment_id": "6644825",
"author": "YGDES",
"timestamp": "2023-05-21T14:31:07",
"content": "I “get” it in a sense. So maybe the compromise is to leave one or a few cores with the full compatibility features, and the rest of the cores (such as the “economy cores” with 64-bit-only support ?",
"p... | 1,760,372,291.265127 | ||
https://hackaday.com/2023/05/21/heres-how-to-build-a-tiny-compiler-from-scratch/ | Here’s How To Build A Tiny Compiler From Scratch | Donald Papp | [
"classic hacks",
"computer hacks",
"Software Hacks"
] | [
"binary",
"compiler",
"hello world",
"s-expression"
] | Believe it or not,
building a tiny compiler from scratch
can be as fun as it is accessible. [James Smith] demonstrates by making a tiny compiler for an extremely simple programming language, and showing off a
hello world
.
Here’s what happens with a compiler: human-written code gets compiled into low-level machine code... | 27 | 10 | [
{
"comment_id": "6644791",
"author": "leonheller",
"timestamp": "2023-05-21T12:34:18",
"content": "My first system was a Motorola D2 kit. It came as a couple of PCBs with lots of components and had to be assembled. It was programmed directly in machine code via a hex keypad and display. I actually w... | 1,760,372,290.973821 | ||
https://hackaday.com/2023/05/23/supercon-2022-nick-poole-makes-a-jolly-wrencher-tube/ | Supercon 2022: Nick Poole Makes A Jolly Wrencher Tube | Chris Lott | [
"cons",
"Hackaday Columns",
"Slider",
"Tech Hacks"
] | [
"glass work",
"high vacuum pump",
"Supercon 2022",
"supercon video",
"thermionic valves",
"vacuum tubes"
] | [Nick Poole] shared his circuitous journey into the obscure world of homemade vacuum tubes on the Supercon 2022 stage. It began innocently enough when he saw [Usagi Electric]’s
single bit computer vacuum tube computer
, which uses dozens of vacuum tubes. He got to wondering, could you make vacuum-tube-like devices cont... | 5 | 3 | [
{
"comment_id": "6645607",
"author": "smellsofbikes",
"timestamp": "2023-05-23T15:43:09",
"content": "It’s been so much fun watching him accumulate the parts for this and posting progress on Mastodon and it’s really neat to see this coordinated presentation.",
"parent_id": null,
"depth": 1,
... | 1,760,372,290.832503 | ||
https://hackaday.com/2023/05/23/building-circuits-flexibly/ | Building Circuits Flexibly | Al Williams | [
"PCB Hacks"
] | [
"breadboard",
"flexible circuits",
"prototyping"
] | You think of breadboards as being a flexible way to build things — one can easily add components and wires and also rip them up. But MIT researchers want to introduce an actual flexible breadboard called
FlexBoard
. The system is like a traditional breadboard, but it is literally flexible. If you want to affix your pro... | 20 | 5 | [
{
"comment_id": "6645553",
"author": "Jan",
"timestamp": "2023-05-23T12:37:25",
"content": "Why not just learn how to solder?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6645582",
"author": "Neverm|nd",
"timestamp": "2023-05-23T14:12:37",
"conte... | 1,760,372,290.906118 | ||
https://hackaday.com/2023/05/23/smart-pants-sound-alarm-when-your-fly-is-undone/ | Smart Pants Sound Alarm When Your Fly Is Undone | Lewin Day | [
"Wearable Hacks"
] | [
"ESP32",
"fly",
"jeans",
"pants",
"wearable"
] | It’s always embarrassing to be told your fly is down. Even moreso when you realize it’s been that way since you returned from the bathroom an hour ago.
[Guy Dupont] has built a device to solve this awkward issue once and for all
. (
Nitter
)
Pictured: The Hall effect sensor and magnet attached to the zipper.
The pants ... | 28 | 18 | [
{
"comment_id": "6645492",
"author": "shinsukke",
"timestamp": "2023-05-23T08:03:46",
"content": "I have not worn pants in 2 years! Praise be the work-from-home paradigm",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6645528",
"author": "Ostracus",
... | 1,760,372,291.335472 | ||
https://hackaday.com/2023/05/22/whats-black-white-and-red-on-20-sides/ | What’s Black, White, And Red On 20 Sides? | Michael Shaub | [
"Games"
] | [
"3D printed case",
"ble",
"board games",
"dice",
"DnD",
"eink",
"electronic dice",
"nordic",
"nRF52810"
] | You won’t need to pack a full set of dice for your next game with this DIY Multifunctional Eink Gadget. [Sasa Karanović] brings us
a fun device that combines a few essential aspects of tabletop gaming
, D6, D12, and D20 dice rolling and a hero dashboard. While they have grand plans for a BLE networked future applicatio... | 11 | 4 | [
{
"comment_id": "6645458",
"author": "Aaron Christophel",
"timestamp": "2023-05-23T05:44:23",
"content": "Lately i created an actually dice out of E-paper displayshttps://twitter.com/atc1441/status/1613248113434583061",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_i... | 1,760,372,291.494005 | ||
https://hackaday.com/2023/05/22/network-programming/ | Network Programming | Al Williams | [
"Network Hacks",
"Software Development",
"Software Hacks"
] | [
"network programming",
"network socket",
"tcp/ip"
] | If you want a book on network programming, there are a few classic choices. [Comer’s] TCP/IP books are a great reference but sometimes is too low level. “Unix Networking Programming” by [Stevens] is the usual choice, but it is getting a little long in the tooth, as well. Now we have “
Beej’s Guide to Network Programmin... | 13 | 6 | [
{
"comment_id": "6645417",
"author": "CMH62",
"timestamp": "2023-05-23T02:34:03",
"content": "Oh great. Yet another super interesting PDF I’ve now downloaded and put into my ever-growing stack of PDF’s I’ll get to real soon now! :-)",
"parent_id": null,
"depth": 1,
"replies": [
{... | 1,760,372,291.624577 | ||
https://hackaday.com/2023/05/22/bringing-the-pio-to-the-fpga/ | Bringing The PIO To The FPGA | Matthew Carlson | [
"FPGA"
] | [
"PIO",
"Raspberry Pi Pico",
"verilog"
] | We’ve seen some pretty incredible hacks using the Raspberry Pi 2040. However, one of the most exciting bits of hardware onboard is the Programmable I/O (PIO). Not content with it just being a part of RP2040-based projects, [Lawrie Griffiths] has been
porting the PIO to Verilog so anyone can enjoy it
.
This particular i... | 11 | 7 | [
{
"comment_id": "6645399",
"author": "Greg A",
"timestamp": "2023-05-23T00:45:03",
"content": "that silly assembler written in C macros from last week is coming to mind as this article asks me to contemplate how i would (will) interface with PIO now that i have a comfortable bare C environment on th... | 1,760,372,291.3869 | ||
https://hackaday.com/2023/05/22/the-thousand-year-radioactive-diamond-battery/ | The Thousand Year (Radioactive) Diamond Battery | Jenny List | [
"Science"
] | [
"battery",
"Betavoltaic",
"nuclear battery"
] | The Holy Grail of battery technology is a cell which lasts forever, a fit-and-forget device that never needs replacing. It may seem a pipe-dream, but
University of Bristol researchers have come pretty close.
The catch? Their battery lasts a very long time, but it generates micropower, and it’s radioactive.
They’re usin... | 44 | 16 | [
{
"comment_id": "6645294",
"author": "Zach",
"timestamp": "2023-05-22T20:03:08",
"content": "https://www.youtube.com/watch?v=JDFlV0OEK5E",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6645368",
"author": "TG",
"timestamp": "2023-05-22T23:04:1... | 1,760,372,291.574607 | ||
https://hackaday.com/2023/05/22/handheld-pc-looks-great/ | Handheld PC Looks Great | Al Williams | [
"3d Printer hacks",
"Arduino Hacks",
"Raspberry Pi"
] | [
"cyberdeck",
"handheld"
] | [Bytewelder] fondly remembers the Palm III and Sharp HC-4500, so taking on the design of
Decktility
, a custom handheld cyberdeck , was a natural next step. The blog post goes into much detail about the design decisions and challenges throughout the project. The
end result
, though, looks great.
The device uses a Raspb... | 13 | 7 | [
{
"comment_id": "6645246",
"author": "Foldi-One",
"timestamp": "2023-05-22T18:40:53",
"content": "If that had an LTE and/or SDR or I guess just the exposed PCI-e lane – so the ‘wifi’ keyed M.2 slot to bring out USB as well?? I could see that being a really really useful device for many folks. Decent... | 1,760,372,291.438499 | ||
https://hackaday.com/2023/05/22/dear-ubuntu/ | Dear Ubuntu… | Jenny List | [
"Hackaday Columns",
"Rants",
"Slider"
] | [
"distro bloat",
"linux",
"snap",
"ubuntu"
] | Dear Ubuntu,
I hope this letter finds you well. I want to start by saying that our time together has been one of creativity and entertainment, a time in which you gave me the tools to develop a new career, to run a small electronics business, make fun things, and to write several thousand articles for Hackaday and othe... | 279 | 50 | [
{
"comment_id": "6645205",
"author": "Mikepl",
"timestamp": "2023-05-22T17:06:04",
"content": "Well, CLI time and editing configs, for my whole life i thought that’s the point of running Linux!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6645225",
... | 1,760,372,291.894086 | ||
https://hackaday.com/2023/05/22/design-for-3d-printing-hack-chat/ | Design For 3D Printing Hack Chat | Dan Maloney | [
"Hackaday Columns"
] | [
"Hack Chat"
] | Join us on Wednesday, May 24 at noon Pacific for the
Design for 3D Printing Hack Chat
with Eric Utley!
Like a lot of enabling technologies, 3D printing has had a strange trajectory. It started out as a laboratory oddity, moved on to industrial applications, and finally filtered down to the DIY set, first as scratch-bui... | 0 | 0 | [] | 1,760,372,291.660766 | ||
https://hackaday.com/2023/05/22/hoverboard-rides-on-eddy-currents/ | Hoverboard Rides On Eddy Currents | Bryan Cockfield | [
"Transportation Hacks"
] | [
"back to the future",
"eddy current",
"hoverboard",
"levitation",
"magnet",
"magnetic field",
"magnetism",
"skateboard"
] | The famous hoverboards of
Back to the Future
haven’t quite gotten here yet, but that hasn’t stopped anyone with a unique personal vehicle from using the name any time they need some quick marketing. The self-balancing scooter trend of the mid-2010s was the best example of this in recent memory, but there are also water... | 32 | 14 | [
{
"comment_id": "6645161",
"author": "ono",
"timestamp": "2023-05-22T15:06:33",
"content": "It might be able to lift its own battery pack for few minutes…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6645203",
"author": "chango",
"timestamp... | 1,760,372,291.966338 | ||
https://hackaday.com/2023/05/22/airtags-tiles-smarttags-and-the-dilemmas-of-personal-tracking-devices/ | AirTags, Tiles, SmartTags And The Dilemmas Of Personal Tracking Devices | Maya Posch | [
"Current Events",
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"AirTag",
"Apple AirTag",
"personal tracking device"
] | In an ideal world we would never lose our belongings, and not spend a single hour fruitlessly searching for some keys, a piece of luggage, a smartphone or one of the two dozen remote controls which are scattered around the average home these days. Since we do not live in this ideal world, we have had to come up with wa... | 18 | 9 | [
{
"comment_id": "6645141",
"author": "Ostracus",
"timestamp": "2023-05-22T14:12:03",
"content": "Well BT already lets one know like devices in the area even if not paired taking away any stealth capability. The rest is friend or foe, a known military problem.",
"parent_id": null,
"depth": 1,... | 1,760,372,292.303942 | ||
https://hackaday.com/2023/05/22/chatgpt-rules-the-world-or-at-least-the-home/ | ChatGPT Rules The World… Or, At Least, The Home | Al Williams | [
"home hacks",
"Raspberry Pi"
] | [
"ChatGPT",
"home automation"
] | With all the hype about ChatGPT, it has to have crossed your mind: how can I make it control devices? On the utopia side, you could say, “Hey, ChatGPT, figure out what hours I’m usually home and set the thermostat higher when I am away.” On the dysfunctional side, the AI could lock you in your home and torment you like... | 17 | 6 | [
{
"comment_id": "6645106",
"author": "Hojo Norem",
"timestamp": "2023-05-22T11:26:06",
"content": "One step closer to LCARS…The natural language interface that is, LCARS is more than just a bunch of coloured shapes on a flat surface.Hmm, why not wire up a Pi with this software to a hot drinks vendin... | 1,760,372,292.021726 | ||
https://hackaday.com/2023/05/22/the-wizard-of-semiconductors/ | The Wizard Of Semiconductors | Al Williams | [
"Misc Hacks",
"Parts"
] | [
"IC design",
"skywater"
] | If you have three hours and you want to learn the fundamentals of semiconductors, [Tiny Tapeout] has something for you: An introduction to
SiliWiz
. You’ll also need the
SiliWiz
software (or use it
online
), which resembles the kind of tools that chip designers use but is meant for students to use as a learning tool
Us... | 19 | 4 | [
{
"comment_id": "6645078",
"author": "Daid",
"timestamp": "2023-05-22T09:36:03",
"content": "How long till someone makes a full CPU in this?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6645115",
"author": "YGDES",
"timestamp": "2023-05-22T... | 1,760,372,292.079011 | ||
https://hackaday.com/2023/05/20/hexed-home-assistant-monitors-3d-printers/ | Hexed Home Assistant Monitors 3D Printers | Al Williams | [
"3d Printer hacks"
] | [
"home automation",
"WLED"
] | You can babysit your 3D printer 100% of the time, or you can cross your fingers and hope it all works. Some monitor their printers using webcams, but [Simit] has a more
stylish method of keeping tabs on six 3D printers
.
The idea is to use a 3D printed hex LED display found online. Adding an ESP32 and Home Assistant al... | 6 | 3 | [
{
"comment_id": "6644527",
"author": "Rootiest",
"timestamp": "2023-05-20T15:11:52",
"content": "Klipper (moonraker) also supports WLED directly so you can cut out the Home Assistant middleman and just directly control the WLED lights from klipper macros.",
"parent_id": null,
"depth": 1,
... | 1,760,372,292.119051 | ||
https://hackaday.com/2023/05/20/get-that-dream-job-with-a-bit-of-text-injection/ | Get That Dream Job, With A Bit Of Text Injection | Jenny List | [
"Machine Learning",
"Security Hacks"
] | [
"ai",
"ChatGPT",
"pdf",
"text injection"
] | Getting a job has always been a tedious and annoying process, as for all the care that has been put into a CV or resume, it can be still headed for the round file at the whim of some corporate apparatchik. At various times there have also been dubious psychometric tests and other horrors to contend with, and now we hav... | 28 | 9 | [
{
"comment_id": "6644462",
"author": "Reluctant Cannibal",
"timestamp": "2023-05-20T08:31:00",
"content": "“The search engine marketeers put them in tiny white text or offset them far out of the viewport” This is way out of date and does not fool the bots any more, but probs still relevent in a CV. ... | 1,760,372,292.37298 | ||
https://hackaday.com/2023/05/19/spy-transceiver-makes-two-tubes-do-the-work-of-five/ | Spy Transceiver Makes Two Tubes Do The Work Of Five | Dan Maloney | [
"Radio Hacks"
] | [
"amateur",
"continuous wave",
"cw",
"ham",
"mixer",
"oscillator",
"relay",
"sidetone",
"spy radio",
"transceiver",
"vacuum tube"
] | Here at Hackaday, we love following along with projects as they progress. That’s especially true when a project makes a considerable leap in terms of functionality from one version to another, or when the original design gets more elegant. And when you get both improved function and decreased complexity at the same tim... | 26 | 9 | [
{
"comment_id": "6644455",
"author": "Rob Ward",
"timestamp": "2023-05-20T07:04:12",
"content": "That is an awesome design and construction Helge. To squeeze that sort of functionality into a little metal Altoids box is amazing. I am not into valve radios at all I just usd to pull them apart as a ch... | 1,760,372,294.126742 | ||
https://hackaday.com/2023/05/19/prompt-injection-an-ai-targeted-attack/ | Prompt Injection: An AI-Targeted Attack | Bryan Cockfield | [
"Artificial Intelligence"
] | [
"ai",
"artificial intelligence",
"ChatGPT",
"GPT",
"injection attack",
"prompt injection",
"security",
"vulnerability",
"youtube"
] | For a brief window of time in the mid-2010s, a fairly common joke was to send voice commands to Alexa or other assistant devices over video. Late-night hosts and others would purposefully attempt to activate voice assistants like these en masse and get them to do ridiculous things. This isn’t quite as common of a gag a... | 12 | 5 | [
{
"comment_id": "6644457",
"author": "Thomas Anderson",
"timestamp": "2023-05-20T07:39:16",
"content": "I love this so much!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6644468",
"author": "Dan",
"timestamp": "2023-05-20T09:11:01",
"content": "…... | 1,760,372,294.418892 | ||
https://hackaday.com/2023/05/19/early-computer-art-from-the-1950s-and-1960s/ | Early Computer Art From The 1950s And 1960s | Joseph Long | [
"Art"
] | [
"art",
"computer graphics",
"history"
] | Modern day computer artist, [Amy Goodchild] surveys a history of
Early Computer Art from the 1950s and 1960s
. With so much attention presently focused on AI-generated artwork, we should remember that computers have been used to created art for many decades.
Our story begins in 1950 when Ben Laposky started using long ... | 5 | 5 | [
{
"comment_id": "6644415",
"author": "SETH G BONEY",
"timestamp": "2023-05-20T01:30:50",
"content": "The most disappointing aspect of this latest AI gold rush, is that the term ‘generative’ is being co-opted to imply financial gain. It is the state and statespace of a crypto algorithm, or ML Blackb... | 1,760,372,294.018496 | ||
https://hackaday.com/2023/05/19/3d-printing-blueprints-and-other-wall-art/ | 3D Printing Blueprints And Other Wall Art | Al Williams | [
"3d Printer hacks"
] | [
"blueprint",
"james webb space telescope",
"wall art"
] | Today if you want to reproduce a big schematic or a mechanical drawing, you just ask it to print or plot from the CAD model. But back in the day, you drew on big sheets at a drafting table. How do you make copies? Sure, there were a few large-format copiers, but they were expensive. A more common method was to use a he... | 3 | 2 | [
{
"comment_id": "6644423",
"author": "Mike",
"timestamp": "2023-05-20T02:07:21",
"content": "I like the pen holder Jakub designed. It solves two issues I had when I tried a similar thing with my Ender 3. I created a rigid pen holder that snaps onto my stock extruder. It works well but requires th... | 1,760,372,294.060562 | ||
https://hackaday.com/2023/05/19/building-a-breath-controlled-midi-device/ | Building A Breath-Controlled MIDI Device | Lewin Day | [
"Musical Hacks"
] | [
"breath",
"midi",
"midi controller",
"woodwind"
] | When we think of MIDI devices, we typically jump straight to drum machines, rack synths, and keyboard controllers. However, there’s nothing saying you can’t build your own MIDI controllers that use the magic of breath to do their musical duty. That’s precisely what
[Xavier Dumont] did with this unique 3D printed build.... | 6 | 6 | [
{
"comment_id": "6644330",
"author": "Denny",
"timestamp": "2023-05-19T19:05:14",
"content": "A different take on the Electronic Wind Instrument. Cool.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6644334",
"author": "Alysson Rowan",
"timestamp": "2... | 1,760,372,293.97621 | ||
https://hackaday.com/2023/05/21/a-look-back-at-computer-displays/ | A Look Back At Computer Displays | Al Williams | [
"Retrocomputing"
] | [
"display",
"retrocomputing",
"vt100"
] | These days, our video cards are actually as powerful as yesterday’s supercomputer and our monitors are bigger than the TVs most of us had as kids. But how did we get there? [RetroBytes] covers computer displays starting with the
Colossus computer to today
.
Back in the days of Colossus, of course, a display was actuall... | 10 | 6 | [
{
"comment_id": "6644771",
"author": "doppler",
"timestamp": "2023-05-21T10:51:31",
"content": "So this a historical look back on “the best damn buggy whips.” Kudo’s to the first recognizing the reference. Because it was very important for this industry.",
"parent_id": null,
"depth": 1,
... | 1,760,372,294.276625 | ||
https://hackaday.com/2023/05/20/easy-graphene-production-with-a-laser-engraver/ | Easy Graphene Production With A Laser Engraver | Al Williams | [
"Laser Hacks"
] | [
"flash graphene",
"graphene",
"laser etched graphene",
"Robert Murray-Smith"
] | Graphene isn’t easy to produce at scale. But making small batches of graphene is doable in a few ways. [Robert Murray-Smith] decided to try producing “
flash graphene
.” This requires a big capacitor bank that is moderately expensive, so he decided to explain a different technique he read about using an ordinary laser ... | 13 | 4 | [
{
"comment_id": "6644720",
"author": "TG",
"timestamp": "2023-05-21T05:47:09",
"content": "“The safe way anyone can do”Yeah we don’t really know that yet. It could very well be hyper-asbestos. Probably don’t make hyper-asbestos in your garage or craft room just yet. It is cool though.",
"parent_... | 1,760,372,293.927788 | ||
https://hackaday.com/2023/05/20/thor-microwaves-drone-swarms/ | THOR Microwaves Drone Swarms | Danie Conradie | [
"News",
"Weapons Hacks"
] | [
"anti drone defenses",
"microwave gun",
"swarm"
] | In recent years small drones have gone from being toys and photography tools to a deadly threat on the battlefield. Kamikaze drones have become especially prominent in the news due to their use in the war in Ukraine by both sides. While we haven’t seen coordinated swarms being actively employed on the modern battlefiel... | 39 | 14 | [
{
"comment_id": "6644686",
"author": "DerAxeman",
"timestamp": "2023-05-21T02:09:45",
"content": "Is it wrong to want a THOR of my very own?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6644701",
"author": "Claptrap",
"timestamp": "2023-05-... | 1,760,372,294.355159 | ||
https://hackaday.com/2023/05/20/an-elegant-solution-for-smart-home-device-integration/ | An Elegant Solution For Smart Home Device Integration | Danie Conradie | [
"home hacks"
] | [
"ESP8266",
"esphome",
"homeassistant"
] | Integrating non-smart devices into your home automation system can be a cumbersome process, involving the wiring of multiple modules. However,
[Pricelesstoolkit] has created the ESPClicker
— a compact, ESP8266-based module that can remotely “press buttons” and simplify this process.
The ESPClicker’s core feature is its... | 49 | 14 | [
{
"comment_id": "6644667",
"author": "Cooper",
"timestamp": "2023-05-20T23:35:59",
"content": "I had this idea a few years ago. Also I thought it would be cool if manufacturers were required to provide a pin header for buttons on device or serial port with simple commands so if adding IOT was not in... | 1,760,372,294.222776 | ||
https://hackaday.com/2023/05/20/op-amp-challenge-mosfets-make-this-discrete-op-amp-tick/ | Op-Amp Challenge: MOSFETs Make This Discrete Op Amp Tick | Dan Maloney | [
"contests",
"Parts"
] | [
"cmos",
"mosfet",
"Op Amp Challenge",
"op-amp",
"Operational amplifier"
] | When it comes to our analog designs, op-amps tend to be just another jellybean part. We tend to spec whatever does the job, and don’t give much of a thought as to the internals. And while it doesn’t make much sense to
roll your own op-amp out of discrete components
, that doesn’t mean there isn’t plenty to be learned f... | 9 | 5 | [
{
"comment_id": "6644627",
"author": "dianea",
"timestamp": "2023-05-20T21:19:42",
"content": "Very clean build that is a keeper for a lifetime!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6644687",
"author": "Mitsuru Yamada",
"timestamp":... | 1,760,372,294.47153 | ||
https://hackaday.com/2023/05/20/its-doom-but-in-teletext/ | It’sDOOM, But In Teletext | Jenny List | [
"classic hacks",
"Games"
] | [
"doom",
"teletext",
"Will It Doom?"
] | We’ve seen the 1993 id Software classic
DOOM
running on so many pieces of unexpected hardware, as “Will it run
DOOM
?” has become something of a test for any new device. But will it run in the circuitry of a 1970s or 1980s TV set? Not quite, but as [lukneu] has demonstrated,
it is possible to render the game using the ... | 22 | 6 | [
{
"comment_id": "6644582",
"author": "Pixelbrick",
"timestamp": "2023-05-20T18:13:07",
"content": "What a time to be alive!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6644586",
"author": "Jan",
"timestamp": "2023-05-20T18:23:24",
"content": "Br... | 1,760,372,294.638512 | ||
https://hackaday.com/2023/05/20/how-far-can-an-eula-go/ | How Far Can An EULA Go? | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Slider"
] | [
"advertising",
"free",
"newsletter"
] | We read this news with mixed glee and horror:
a company called Telly is giving TVs away
, for the low price of having to live with an always-on advertisement bar and some pretty stringent terms and conditions. Break the terms, and they’ll repossess your TV. If you don’t give them the TV, they have your credit card on r... | 70 | 23 | [
{
"comment_id": "6644508",
"author": "Alexander Pruss",
"timestamp": "2023-05-20T14:27:04",
"content": "I am not a lawyer, but looking at the TOS, there does not seem to be anything to block putting a cover over the advertising screen, as long as you don’t attach the cover to the device (as they pro... | 1,760,372,294.750185 | ||
https://hackaday.com/2023/05/19/faster-glacier-melting-mechanism-could-cause-huge-sea-level-rises/ | Faster Glacier Melting Mechanism Could Cause Huge Sea Level Rises | Lewin Day | [
"Current Events",
"Featured",
"News",
"Science",
"Slider"
] | [
"climate change",
"climate research",
"ice",
"ice melting",
"research",
"rising sea levels",
"sea level",
"sea level rise",
"sea levels",
"tidal",
"tides"
] | When it comes to the issue of climate change, naysayers often contend that we have an incomplete understanding of the Earth’s systems. While humanity is yet to uncover all the secrets of the world, that doesn’t mean we can’t act on what we know. In many cases, as climate scientists delve deeper, they find yet more supp... | 115 | 22 | [
{
"comment_id": "6644299",
"author": "TG",
"timestamp": "2023-05-19T17:23:43",
"content": "Oh noooo! The models!Hurry up already, been waiting for my beachfront property since the 1970s.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6644543",
"autho... | 1,760,372,295.029449 | ||
https://hackaday.com/2023/05/19/hackaday-podcast-219-lots-of-lasers-heaps-of-ham-radio-and-breaching-the-blood-brain-barrier/ | Hackaday Podcast 219: Lots Of Lasers, Heaps Of Ham Radio, And Breaching The Blood Brain Barrier | Dan Maloney | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | Elliot and Dan teamed up for the podcast this week, bringing you the week’s sweetest hacks. And news too, as the ESA performed a little percussive maintenance on a Jupiter-bound space probe, and we learned about how to get an Orwellian free TV that exacts quite a price. We talked about Bitcoin mining two ways, includin... | 0 | 0 | [] | 1,760,372,294.551841 | ||
https://hackaday.com/2023/05/19/custom-glove-guides-wearers-dreams/ | Custom Glove Guides Wearers’ Dreams | Bryan Cockfield | [
"Science",
"Wearable Hacks"
] | [
"audio",
"creativity",
"dream",
"dreaming",
"lucid",
"sensors"
] | For as much advancement as humanity has made in modern medicine even in the last century alone, there’s still plenty we don’t understand about the human body. That’s particularly true of the brain, where something as common as dreams are the subject of active debate about their fundamental nature, if they serve any pur... | 6 | 4 | [
{
"comment_id": "6644282",
"author": "Upgrade pi-top [3]",
"timestamp": "2023-05-19T16:20:42",
"content": "Surprised Inception didn’t get a mention here 😉",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6644285",
"author": "Sambo",
"timestamp... | 1,760,372,295.364335 | ||
https://hackaday.com/2023/05/19/this-week-in-security-zip-domains-zip-scanning/ | This Week In Security: .zip Domains, Zip Scanning | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"BlackLotus",
"Secure Boot",
"This Week in Security",
"zip"
] | The world may not be ready, but
the .zip Top Level Domain (TLD) is here
. It’s a part of the generic TLD category, which was expanded to allow applications for custom TLDs. Google has led the charge, applying for 101 such new TLDs, with .zip being one of the interesting ones. Public registration for .zip domains has be... | 17 | 8 | [
{
"comment_id": "6644255",
"author": "abjq",
"timestamp": "2023-05-19T14:33:36",
"content": "for “SCANNING INSIDE ZIPS” perhaps Andrew could use a repeating large binary pattern, like an OTP but not “One time”, and XOR all the data with it. 1kB would do, it can be the same pattern, it’s just a ciphe... | 1,760,372,295.316579 | ||
https://hackaday.com/2023/05/19/building-a-giant-vacuum-tube-smart-lamp/ | Building A Giant Vacuum Tube Smart Lamp | Lewin Day | [
"LED Hacks"
] | [
"lamp",
"valve"
] | Vacuum tubes are pretty, which is why they’re often showcased externally on exquisitely-expensive home Hi-Fi hardware. But if you just want to gaze at their beauty without making any noise,
why not build this vacuum tube lamp from [Noel Törjék] instead
?
[Noel] got into some creative reuse with this build, with the mai... | 12 | 9 | [
{
"comment_id": "6644238",
"author": "JDX",
"timestamp": "2023-05-19T13:50:14",
"content": "Make a lamp, sure.Make my own vacuum tube, on my list of things I’d like to try.Make a lamp that looks like a giant vacuum tube, that’s something I’d have never thought up.Nicely done!",
"parent_id": null... | 1,760,372,295.138092 | ||
https://hackaday.com/2023/05/19/north-korean-karaoke-machine-teardown/ | North Korean Karaoke Machine Teardown | Chris Lott | [
"Reverse Engineering",
"Teardown"
] | [
"arm",
"karaoke",
"North Korea"
] | Karaoke is a very popular pastime in Seoul — there are venues where you can sing on a stage, sing in rooms with your friends, and even sing solo in coin-operated karaoke booths on the bullet train. Apparently it is also popular in North Korea as well — [Martyn Williams] of the
North Korea Tech
blog
reported on an inter... | 9 | 6 | [
{
"comment_id": "6644181",
"author": "Blaskkaffe",
"timestamp": "2023-05-19T08:56:52",
"content": "The North Koreans are on to something, there are way to few pop songs about CNC machining and automated production in the west!",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,295.259262 | ||
https://hackaday.com/2023/05/18/go-in-all-the-directions-with-omniwheeled-esp32-bot/ | Go In All The Directions With Omniwheeled ESP32 Bot | Danie Conradie | [
"News",
"Robots Hacks"
] | [
"ESP-Now",
"ESP32-S2",
"Omnidirectional Robot"
] | The ability to change direction without turning is the specialty of omnidirectional wheels, which [maker.moekoe] used to their full potential on a pair of
ESP32-controlled robots
. Video after the break.
Thanks to the rollers on the wheels, the wheels could be arranged at 120° in relation to each other on the 3-wheeler... | 18 | 8 | [
{
"comment_id": "6644151",
"author": "m1ke",
"timestamp": "2023-05-19T06:27:58",
"content": "Oh that tiny remote at the end, nice touch.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6644157",
"author": "Bo-Erik Sandholm",
"timestamp": "2023-05-19T06:... | 1,760,372,295.090608 | ||
https://hackaday.com/2023/05/18/an-entire-risc-v-operating-system-in-2000-lines/ | An Entire RISC-V Operating System In 2000 Lines | Bryan Cockfield | [
"Software Hacks"
] | [
"2000 lines",
"cornell",
"earth and grass",
"egos-2000",
"lines of code",
"operating system",
"os",
"RISC-V"
] | While Microsoft and Apple don’t release the source code for their operating systems, a good estimate is that it takes around 50 million lines of code to run these software behemoths. The Linux kernel alone holds around 30 million lines, with systemd containing over one million lines on its own, which doesn’t include es... | 34 | 10 | [
{
"comment_id": "6644126",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-05-19T02:59:42",
"content": "ISTR, A.S. Tanenbaum had each student write an OS for a class he taught.https://en.m.wikipedia.org/wiki/Andrew_S._Tanenbaum",
"parent_id": null,
"depth": 1,
"replie... | 1,760,372,295.210459 | ||
https://hackaday.com/2023/05/18/lte-sniffer-ferrets-out-cellular-communications/ | LTE Sniffer Ferrets Out Cellular Communications | Lewin Day | [
"Misc Hacks"
] | [
"cell sniffing",
"cellphone",
"cellular network",
"cellular phone",
"LTE",
"radio",
"sdr"
] | LTE networks have taken over from older technologies like GSM in much of the world. Outfitted with the right hardware, like a software defined radio, and the right software, it’s theoretically possible to sniff some of this data for yourself.
The LTESniffer project was built to do just this.
LTESniffer is able to sniff... | 8 | 4 | [
{
"comment_id": "6644128",
"author": "Anonymous",
"timestamp": "2023-05-19T03:07:28",
"content": "Takedown in 3…2…1…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6644146",
"author": "Andy",
"timestamp": "2023-05-19T05:44:02",
"conte... | 1,760,372,295.408006 | ||
https://hackaday.com/2023/05/18/toothbrush-speed-controller-secrets-revealed/ | Toothbrush Speed Controller Secrets Revealed | Lewin Day | [
"Misc Hacks"
] | [
"low voltage",
"teardown",
"toothbrush"
] | Typically, when we want to build something with a DC motor, we might grab a bunch of AAs, or a single lithium cell at the very least. Electric toothbrushes often run on more humble power sources, like a single NiMH battery. They’re designed to get useful motion out of just 1.2V,
and [Marian Hryntsiv] has taken a look a... | 21 | 7 | [
{
"comment_id": "6644043",
"author": "paulvdh",
"timestamp": "2023-05-18T21:20:56",
"content": "A few years ago I had to buy a new toothbrush because the batteries of my old one were worn out and I opened the old one (from braun) and it had an MSP430 in it. There are also plenty of teardowns of all... | 1,760,372,295.471914 | ||
https://hackaday.com/2023/05/18/big-tactile-button-is-silly-but-cool/ | Big Tactile Button Is Silly But Cool | Lewin Day | [
"Parts",
"Toy Hacks"
] | [
"button",
"giant",
"switch"
] | Every hacker is familiar with those teeny little tactile buttons that are so enjoyable to click over and over again. [ROBO HUB] has built a giant version as a tribute,
and it works just like the real thing!
The giant button has been scaled up 20 times compared to the original. For simplicity’s sake, [ROBO HUB] designed... | 8 | 7 | [
{
"comment_id": "6644000",
"author": "Modhappy",
"timestamp": "2023-05-18T18:50:06",
"content": "Cardboard is the gateway drug for makers!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6644110",
"author": "A",
"timestamp": "2023-05-19T01:07:... | 1,760,372,295.521129 | ||
https://hackaday.com/2023/05/18/supercon-2022-andy-geppert-is-bringing-core-memory-back/ | Supercon 2022: Andy Geppert Is Bringing Core Memory Back | Tom Nardi | [
"cons",
"Hackaday Columns",
"Retrocomputing"
] | [
"2022 Hackaday Supercon",
"core memory",
"Core64",
"LED array",
"Magnetic-core memory",
"touch screen"
] | Many Hackaday readers will be familiar with the term “core memory”, likely thanks to its close association with the Apollo Guidance Computer. But knowing that the technology existed at one point and actually understanding how it worked is another thing entirely. It’s a bit like electronic equivalent to the butter churn... | 22 | 10 | [
{
"comment_id": "6643994",
"author": "a_do_z",
"timestamp": "2023-05-18T18:11:17",
"content": "“[…]likely thanks to its close association with the Apollo Guidance Computer[…]”Or, you know, just being that darned old.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_... | 1,760,372,295.700427 | ||
https://hackaday.com/2023/05/18/badminton-inspired-heat-shield-aims-to-fly-this-year/ | Badminton Inspired Heat Shield Aims To Fly This Year | Bryan Cockfield | [
"Space"
] | [
"badminton",
"birdie",
"heat shield",
"inspiration",
"reentry",
"shuttlecock",
"space",
"welsh"
] | Badminton is not a sport that most of us think about often, and extremely rarely outside of every four years at the summer Olympics and maybe at the odd cookout or beach party here or there. But the fact that it’s a little bit unique made it the prime inspiration for
this new heat shield design
, which might see a spac... | 15 | 8 | [
{
"comment_id": "6643953",
"author": "Tom Brusehaver",
"timestamp": "2023-05-18T16:15:03",
"content": "Burt Rutan had a different implementation, but is quoted as using the shuttlecock as inspiration.Rutan’s “shuttlecock” design. This feathered reentry mode is claimed to be inherently safer than the... | 1,760,372,296.62506 | ||
https://hackaday.com/2023/05/18/revisiting-folk-wisdom-for-modern-chronic-wound-care/ | Revisiting Folk Wisdom For Modern Chronic Wound Care | Lewin Day | [
"Current Events",
"Featured",
"Medical Hacks",
"Science",
"Slider"
] | [
"chronic wounds",
"medical hacks",
"medicine",
"resin",
"spruce resin",
"wound",
"wound treatment"
] | In the constant pursuit of innovation, it’s easy to overlook the wisdom of the past. The scientific method and modern research techniques have brought us much innovation, which can often lead us to dismiss traditional cultural beliefs.
However, sometimes, there are still valuable kernels of truth in the folklore of yes... | 81 | 19 | [
{
"comment_id": "6643907",
"author": "mime",
"timestamp": "2023-05-18T14:13:37",
"content": "interesting. Any info on what kind of spruce? Or any spruce?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6643912",
"author": "ono",
"timestamp": "... | 1,760,372,296.197032 | ||
https://hackaday.com/2023/05/18/drone-flies-for-five-hours-with-hydrogen-fuel-cell/ | Drone Flies For Five Hours With Hydrogen Fuel Cell | Lewin Day | [
"drone hacks"
] | [
"drone",
"fuel cell",
"hydrogen",
"hydrogen fuel cell"
] | Multirotor drones have become a regular part of daily life, serving as everything from camera platforms to inspection tools and weapons of war. The vast majority run on lithium rechargeable batteries, with corresponding limits on flight time. A company called Hylium hopes to change all that with a
hydrogen-powered dron... | 82 | 8 | [
{
"comment_id": "6643858",
"author": "CRJEEA",
"timestamp": "2023-05-18T11:07:44",
"content": "Third time?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6643861",
"author": "CRJEEA",
"timestamp": "2023-05-18T11:15:44",
"content": "I wonder how mu... | 1,760,372,295.963757 | ||
https://hackaday.com/2023/05/18/a-vintage-polaroid-camera-goes-manual/ | A Vintage Polaroid Camera Goes Manual | Jenny List | [
"classic hacks",
"digital cameras hacks"
] | [
"camera shutter",
"land camera",
"pack film",
"polaroid",
"shutter"
] | There once was a time when all but the most basic of fixed focus and aperture cameras gave the photographer full control over both shutter speed and f-stop. This allowed plenty of opportunity to tinker but was confusing and fiddly for non-experts, so by the 1960s and ’70s many cameras gained automatic control of those ... | 5 | 3 | [
{
"comment_id": "6643844",
"author": "Gregg Eshelman",
"timestamp": "2023-05-18T10:17:11",
"content": "Too bad the new film from the impossible project is thicker than the original. In their new packs they can only fit 8 shots VS Polaroid’s 10. I’ve not found any information on what they use for bat... | 1,760,372,295.84348 | ||
https://hackaday.com/2023/05/17/machining-a-golf-ball-to-make-a-lovely-tactile-volume-knob/ | Machining A Golf Ball To Make A Lovely Tactile Volume Knob | Lewin Day | [
"Peripherals Hacks"
] | [
"golf ball",
"jig",
"machining",
"volume control"
] | Golf balls are wonderfully tactile things. They have a semi-grippy covering, and they’re a beautiful size and weight that sits nicely in the hand. Sadly, most of them just get smacked away with big metal clubs. [Jeremy Cook] recognized their value as a human interface device, though,
and set about turning one into a us... | 11 | 6 | [
{
"comment_id": "6643808",
"author": "David",
"timestamp": "2023-05-18T06:57:59",
"content": "Why not just 3D print a knob? Brass shaft inserts with set screws are cheap and can be installed with the tip of a soldering iron. A sphere like a golf ball might be the least desirable shape I could imag... | 1,760,372,296.463833 | ||
https://hackaday.com/2023/05/17/not-just-atp-two-component-molecular-motor-using-gtpase-cycle-demonstrates-mechanotransduction/ | Not Just ATP: Two-Component Molecular Motor Using GTPase Cycle Demonstrates Mechanotransduction | Maya Posch | [
"Science"
] | [
"ATP",
"GTP",
"GTPase",
"molecular biology",
"molecular motor"
] | For most of us who haven’t entirely slept through biology classes, it’s probably no secret that ATP (adenosine triphosphate) is the compound which provides the energy needed for us to move our muscles and for our body to maintain and repair itself, yet less know is guanosine triphosphate (GTP). Up till now GTP was thou... | 15 | 7 | [
{
"comment_id": "6643802",
"author": "craig",
"timestamp": "2023-05-18T04:07:13",
"content": "I know this will get deleted but…Rehashing the claims made by press releases for scientific papers is meaningful to a very few, and even for me who straight did my PhD studying ATPase (and some GTPase enzym... | 1,760,372,296.417967 | ||
https://hackaday.com/2023/05/17/inside-a-current-probe/ | Inside A Current Probe | Al Williams | [
"Repair Hacks",
"Teardown"
] | [
"current probe",
"tektronix"
] | [The Signal Path] had two Tektronix AC/DC current probes that didn’t work. Of course, that’s a great excuse to tear them open and
try to get at least one working
. You can see how it went in the video below. The symptoms differed between the two units, and along the way, the theory behind these probes needs some explor... | 1 | 1 | [
{
"comment_id": "6643922",
"author": "smellsofbikes",
"timestamp": "2023-05-18T14:57:03",
"content": "The stupid plastic closers on these break regularly and it’s really difficult to replace them without damaging the probe, even if you can find replacement parts. And if the closer breaks the probe ... | 1,760,372,296.505398 | ||
https://hackaday.com/2023/05/17/cheaper-sodastream-with-a-big-co2-tank-is-a-semi-dangerous-way-to-save/ | Cheaper Sodastream With A Big CO2 Tank Is A Semi-Dangerous Way To Save | Lewin Day | [
"home hacks"
] | [
"bubbles",
"carbon dioxide",
"sodastream"
] | Sodastream machines are a fun way to turn tap water into carbonated water. However, the canisters are expensive and generally require a trip to the store to get a replacement. Lifehacker has a workaround
that may make life easier for the bubble-addicted set.
The trick is simple: simply buy a larger bottle of CO2, and h... | 72 | 20 | [
{
"comment_id": "6643720",
"author": "Martin",
"timestamp": "2023-05-17T20:10:59",
"content": "Eh. I have a $50 adapter and a $180 siphon-tube 20lb tank in the garage. I drink enough soda water to go through a CO2 tank at least twice a year. I just refill the 1lb bottles with the adapter. That s... | 1,760,372,296.362466 | ||
https://hackaday.com/2023/05/17/active-racing-simulator-pedal/ | Active Racing Simulator Pedal | Danie Conradie | [
"Peripherals Hacks"
] | [
"3d printed",
"racing simulation",
"servo motor"
] | Racing virtual cars from behind a PC monitor might be cheaper than doing it in the real world, but high-end sim racing peripherals still come with high-end prices. With the increasing popularity of force-feedback pedals [Tristan Fenwick] built built an
active pedal
that can provide significant resistance.
[Tristan] int... | 11 | 5 | [
{
"comment_id": "6643709",
"author": "hmsdfo",
"timestamp": "2023-05-17T19:20:42",
"content": "I can imagine this kind of feedback mechanizm could be adapted into remote-controlled toilet seat. It could always keep the seat tilted just beyond it’s centre of gravity. Fun challenge not to hit it when ... | 1,760,372,296.245727 | ||
https://hackaday.com/2023/05/17/change-of-plans-for-new-horizons-sparks-debate/ | Change Of Plans ForNew HorizonsSparks Debate | Tom Nardi | [
"Space"
] | [
"deep space",
"Kuiper Belt",
"New Horizons",
"Pluto"
] | In 2015 NASA’s
New Horizons
spacecraft provided humanity with the first up-close views of Pluto, passing just 12,472 km (7,750 mi) from the surface. What had always been little more than a fuzzy blip at the edge of the solar system could finally be seen in stunning high resolution. Unfortunately, the deep space probe c... | 13 | 7 | [
{
"comment_id": "6643705",
"author": "cliff",
"timestamp": "2023-05-17T19:02:28",
"content": "“Space is big. You just won’t believe how vastly, hugely, mind-bogglingly big it is. I mean, you may think it’s a long way down the road to the chemist’s, but that’s just peanuts to space.” Douglas Adams",... | 1,760,372,296.568435 | ||
https://hackaday.com/2023/05/17/learn-how-impossibly-close-fitting-parts-are-actually-made/ | Learn How Impossibly Close-fitting Parts Are Actually Made | Donald Papp | [
"cnc hacks"
] | [
"metalworking",
"precision",
"wire EDM"
] | Most of us have seen those demonstrations of metal parts that mate together so finely that, once together, they have no visible seam at all. But how, exactly, is this done? [Steve Mould] has
a video that shows and explains all
, and we’ve never seen the process explained quite like he does.
The secret ingredient is wir... | 15 | 6 | [
{
"comment_id": "6643673",
"author": "TG",
"timestamp": "2023-05-17T15:55:30",
"content": "I did wonder how they got the wire into the middle of a chunk of metal in the first place. Figured they must have drilled a hole and threaded it through, then cut out from there. The water jet is clever.",
... | 1,760,372,296.68631 | ||
https://hackaday.com/2023/05/17/two-factor-authentication-apps-mistakes-to-malware/ | Two Factor Authentication Apps: Mistakes To Malware | Elliot Williams | [
"Featured",
"Interest",
"Security Hacks",
"Slider"
] | [
"authenticator",
"oath",
"password",
"totp"
] | Everyone in security will tell you need two-factor authentication (2FA), and we agree. End of article? Nope. The devil, as always with security, is in the details. Case in point: in the last few weeks, none less than
Google messed up with their Google Authenticator app
. The security community screamed out loud, and wh... | 58 | 13 | [
{
"comment_id": "6643674",
"author": "jaros199",
"timestamp": "2023-05-17T15:57:33",
"content": "Real security come from a TOTP+PIN for authentication.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6643744",
"author": "Hirudinea",
"timestamp... | 1,760,372,296.789901 | ||
https://hackaday.com/2023/05/17/mythic-i-an-exploration-of-artisanal-computing/ | Mythic I: An Exploration Of Artisanal Computing | Tom Nardi | [
"Art",
"computer hacks"
] | [
"carved",
"desktop computer",
"hand tools",
"terminal",
"woodworking"
] | While computers have become ever faster and more capable over the years, it’s hard to say they’ve become any more exciting. In fact, they’ve become downright boring. Desktop, laptop, or mobile, they’re all more or less featureless slabs of various dimensions. There’s not even much in the way of color variation — the cl... | 14 | 7 | [
{
"comment_id": "6643585",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-05-17T11:10:11",
"content": "Beautiful!Though I wonder how ergonomic the keyboard would be if I used one.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6643591",
... | 1,760,372,296.848032 | ||
https://hackaday.com/2023/05/17/cornering-the-antenna-market/ | Cornering The Antenna Market | Al Williams | [
"Radio Hacks"
] | [
"antenna",
"corner reflector"
] | Sometimes antennas can seem like black magic. However, when you see things like a dish antenna, it sort of makes sense, right? Just like a mirror focuses light, the parabola of a dish focuses RF energy. But [IMSAI Guy] shows another common-sense antenna arrangement: a corner reflector dipole. He had built one years ago... | 21 | 8 | [
{
"comment_id": "6643563",
"author": "RobG",
"timestamp": "2023-05-17T08:15:25",
"content": "Great to see people experimenting with making antennas, rather than assuming they’re some kind of ‘magic’ and steering clear. It’d be worth learning to use a simulation tool like 4nec2 to get a feel for how ... | 1,760,372,297.027762 | ||
https://hackaday.com/2023/05/16/self-driving-library-for-python/ | Self-Driving Library For Python | Bryan Cockfield | [
"Robots Hacks",
"Transportation Hacks"
] | [
"computer vision",
"machine learning",
"python",
"remote controlled",
"self-driving"
] | Fully autonomous vehicles seem to perennially be just a few years away, sort of like the automotive equivalent of fusion power. But just because robotic vehicles haven’t made much progress on our roadways doesn’t mean we can’t play with the technology at the hobbyist level. You can embark on your own experimentation ri... | 3 | 1 | [
{
"comment_id": "6643528",
"author": "Chris Anderson",
"timestamp": "2023-05-17T05:11:49",
"content": "It’s a lot more than a library! It’s a full stack, including a desktop training UI and mobile app",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6643658",
... | 1,760,372,297.067239 | ||
https://hackaday.com/2023/05/16/human-dna-is-everywhere-a-boon-for-science-while-terrifying-others/ | Human DNA Is Everywhere: A Boon For Science, While Terrifying Others | Maya Posch | [
"Science"
] | [
"environmental dna",
"genetic sequencing"
] | Environmental DNA sampling is nothing new. Rather than having to spot or catch an animal, instead the DNA from the traces they leave can be sampled, giving clues about their genetic diversity, their lineage (e.g. via mitochondrial DNA) and the population’s health. What caught University of Florida (UoF) researchers by ... | 15 | 5 | [
{
"comment_id": "6643496",
"author": "Bill Stewart",
"timestamp": "2023-05-17T02:36:19",
"content": "A trope in science fiction detective or heist stories is the character sweeping up hair from a barbershop and dumping it in the event scene, so the cops have way too many different DNA samples to ide... | 1,760,372,297.187592 | ||
https://hackaday.com/2023/05/16/midi-interface-for-nextcube-plugs-into-the-past/ | MIDI Interface For NeXTcube Plugs Into The Past | Donald Papp | [
"Musical Hacks",
"Retrocomputing"
] | [
"midi",
"NeXT",
"nextcube",
"Teensy",
"usb",
"vintage"
] | [Joren] recently did some work as part of an electronic music heritage project, and restored an 80s-era NeXTcube workstation complete with vintage sound card, setting it up with a copy of MAX, a graphical music programming environment. But there was one piece missing: MIDI. [Joren] didn’t let that stop him, and
success... | 21 | 6 | [
{
"comment_id": "6643450",
"author": "Jon H",
"timestamp": "2023-05-16T23:50:00",
"content": "The Cube didn’t really have a sound card as such. It had a “high speed” serial port connected to the DSP, along with the RS-423 DIN modem ports.Other audio hardware was located in the monitor (or in the sou... | 1,760,372,297.393717 | ||
https://hackaday.com/2023/05/16/a-bicycle-powered-by-a-different-kind-of-eddy/ | A Bicycle Powered By A Different Kind Of Eddy | Ryan Flowers | [
"Transportation Hacks"
] | [
"bicycle",
"eddy currents",
"magnet"
] | When you think of a bicycle and an Eddy, you’d be forgiven for thinking first of Eddy Merckx, one of the most successful competitive cyclists to ever live. But this bicycle,
modified by [Tom Stanton] as shown in the video below the break
, has been modified by ditching its direct drive gearing in favor of using the fri... | 31 | 10 | [
{
"comment_id": "6643422",
"author": "smellsofbikes",
"timestamp": "2023-05-16T22:13:40",
"content": "There is a small engineering niche for magnet drives: they can transmit motion across sealed systems, they have built in torque limiting, and great wear characteristics. Driving a bike with one is ... | 1,760,372,297.133781 | ||
https://hackaday.com/2023/05/16/hackaday-prize-2023-learn-dsp-with-the-portable-all-in-one-workstation/ | Hackaday Prize 2023: Learn DSP With The Portable All-in-One Workstation | Joseph Long | [
"Microcontrollers",
"The Hackaday Prize"
] | [
"2023 Hackaday Prize",
"digital signal processing",
"stm32"
] | Learning Digital Signal Processing (DSP) techniques traditionally involves working through a good bit of mathematics and signal theory. To promote a hands-on approach, [Clyne] developed the
DSP PAW (Portable All-in-one Workstation)
. DSP PAW hardware and software provide a complete learning environment for any computer... | 8 | 5 | [
{
"comment_id": "6643409",
"author": "BrightBlueJim",
"timestamp": "2023-05-16T21:15:24",
"content": "This is great. It’s not perfect, but it’s great. First, it shows that DSP doesn’t need an expensive special-purpose chip, or an FPGA. The particular Nucleo board used in the project is just a Cor... | 1,760,372,297.499083 | ||
https://hackaday.com/2023/05/16/microbubbles-and-ultrasound-getting-drugs-through-the-blood-brain-barrier/ | Microbubbles And Ultrasound: Getting Drugs Through The Blood-Brain Barrier | Lewin Day | [
"Hackaday Columns",
"Medical Hacks",
"Science",
"Slider"
] | [
"blood brain barrier",
"brain",
"glioblastoma",
"medicine",
"the brain"
] | The brain is a rather important organ, and as such, nature has gone to great lengths to protect it. The skull provides physical protection against knocks and bumps, but there’s a lesser-known defense mechanism at work too: the blood-brain barrier. It’s responsible for keeping all the nasty stuff – like bacteria, viruse... | 19 | 8 | [
{
"comment_id": "6643340",
"author": "TG",
"timestamp": "2023-05-16T18:15:33",
"content": "Ahhh “drug delivery” and “cancer research,” source of infinite grants and zero usable products. Thanks for getting so many PhDs their daily bread",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,297.568773 | ||
https://hackaday.com/2023/05/16/two-stage-refrigerator-is-chill/ | Two Stage Refrigerator Is Chill | Al Williams | [
"Science"
] | [
"ethylene",
"refrigeration"
] | Every time we check in with [Hyperspace Pirate] he’s trying to make things cold. Really cold. His recent two-part video shows a propane
vapor compression system
that can go down to -37° C as well as a two-stage system using homemade ethylene that can get to -83° C. He’s trying to get to -100°, so he’s close, and we hav... | 13 | 7 | [
{
"comment_id": "6643277",
"author": "transistor-man",
"timestamp": "2023-05-16T16:11:12",
"content": "This whole series is amazing, really worth watching thru how this evolved from attempts at a pulse tube cryocooler",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_i... | 1,760,372,297.447166 | ||
https://hackaday.com/2023/05/16/making-the-case-for-all-female-exploration-missions-to-mars-and-beyond/ | Making The Case For All-Female Exploration Missions To Mars And Beyond | Maya Posch | [
"Featured",
"Interest",
"Science",
"Slider",
"Space"
] | [
"mars mission",
"women in space"
] | A
recent study
in
Nature Scientific Reports
by Jonathan P. R. Scott and colleagues makes the case for sending exclusively all-female crews on long-duration missions. The reasoning here is simple: women have significant less body mass, with in the US the 50th percentile for women being 59.2 kg and 81.8 kg for men. This ... | 118 | 37 | [
{
"comment_id": "6643248",
"author": "Paul d'Aoust",
"timestamp": "2023-05-16T15:27:40",
"content": "Super interesting and enlightening article, thanks. Gave me things to think about that I’d never considered before. And I love the juicy inversion of the old 20th century conclusion that men are more... | 1,760,372,297.802021 | ||
https://hackaday.com/2023/05/16/diy-programmable-guitar-pedal-rocks-the-studio-stage/ | DIY Programmable Guitar Pedal Rocks The Studio & Stage | Donald Papp | [
"Microcontrollers",
"Musical Hacks"
] | [
"Adafruit Feather",
"digital audio",
"guitar pedal",
"I2S",
"pcb",
"Teensy"
] | Ever wondered how to approach making your own digital guitar effects pedal? [Steven Hazel] and a friend have done exactly that, using an Adafruit Feather M4 Express board and a Teensy Audio Adapter board together to create
a DIY programmable digital unit
that looks ready to drop into an enclosure and get put right to w... | 10 | 7 | [
{
"comment_id": "6643212",
"author": "Marvin",
"timestamp": "2023-05-16T12:42:43",
"content": "maybe this would be interesting for such a thing:http://www.spinsemi.com/products.html",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6643235",
"author": "Jii",
... | 1,760,372,297.626428 | ||
https://hackaday.com/2023/05/15/turning-old-kindles-into-ai-powered-picture-frames/ | Turning Old Kindles Into AI Powered Picture Frames | Tom Nardi | [
"Kindle hacks",
"Software Hacks"
] | [
"jailbreak",
"kindle",
"python",
"stable diffusion"
] | While we tend to think of Amazon’s e-paper Kindles as more or less single-purpose devices (which to be fair, is how they’re advertised), there’s actually a full-featured Linux computer running behind that simple interface, just waiting to be put to work. Given how cheap you can get old Kindles on the second hand market... | 4 | 2 | [
{
"comment_id": "6643012",
"author": "Gino Latino",
"timestamp": "2023-05-15T20:26:19",
"content": "At 6:20 minute mark, he uttered the phrase “a cat with a wizard hat” and it materialized 24 seconds later. This leads me to envision a room with roughly a dozen frames, each one capturing what had bee... | 1,760,372,297.850826 | ||
https://hackaday.com/2023/05/15/the-soviet-space-station-program-from-military-satellites-to-the-iss/ | The Soviet Space Station Program: From Military Satellites To The ISS | Maya Posch | [
"Featured",
"History",
"Slider",
"Space"
] | [
"international space station",
"Mir",
"salyut",
"Soyuz",
"space station"
] | When the Space Race kicked off in earnest in the 1950s, in some ways it was hard to pin down where sci-fi began and reality ended. As the first artificial satellites began zipping around the Earth, this was soon followed by manned spaceflight, first in low Earth orbit, then to the Moon with manned spaceflights to Mars ... | 7 | 5 | [
{
"comment_id": "6642937",
"author": "rastersoft",
"timestamp": "2023-05-15T16:46:55",
"content": "Just a little detail: in the last picture, the one with the Salyut-7 model, the nearest ship isn’t a Soyuz, but a Progress cargo ship.",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,372,297.905996 | ||
https://hackaday.com/2023/05/15/mark-your-calendars-nasa-is-holding-a-public-meeting-on-ufos/ | Mark Your Calendars, NASA Is Holding A Public Meeting On UFOs | Tom Nardi | [
"News",
"Space"
] | [
"military",
"nasa",
"UAP",
"UFO"
] | We’re sorry, the politically correct term these days is “unidentified anomalous phenomena” (UAP), as it’s less likely to excite those with a predilection for tinfoil hats. But whether you call them flying objects or anomalous phenomena, it’s that
unidentified
part that has us interested.
Which is why we’ll be tuned int... | 22 | 13 | [
{
"comment_id": "6642881",
"author": "Ostracus",
"timestamp": "2023-05-15T12:14:14",
"content": "“So if you’re hoping for the US government’s tacit acknowledgment that we’re not alone in the universe, you’ll probably be disappointed. ”Not really.https://youtu.be/k_B9YP5nEWw",
"parent_id": null,
... | 1,760,372,297.971437 |
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