Split (1)

train · 14k rows

q_id stringlengths 6 6	title stringlengths 4 294	selftext stringlengths 0 2.48k	category stringclasses 1 value	subreddit stringclasses 1 value	answers dict	title_urls listlengths 1 1	selftext_urls listlengths 1 1
kv6wnd	Why do will still have to search for the “black boxes” of crashed planes for information, can this information not be uploaded automatically with today’s technology?		Technology	explainlikeimfive	{ "a_id": [ "giwjblm", "giwkwsb", "giwjqqv", "giwpnji", "giwy4qo" ], "text": [ "Good question. A similar system would probably have to rely on satellites, especially for long range travels. This can be somewhat expensive. Also, who gets all those data? ICAO? The national agency (which mean...	[ "url" ]	[ "url" ]
kv71ks	For games such as Animal Crossing which come both as a cartridge or downloadable version, how does the cartridge version get feature updates?		Technology	explainlikeimfive	{ "a_id": [ "giwitqq" ], "text": [ "The updates are downloaded to local storage on the gaming console. Then, when you boot the executable program from the game cartridge, it asks the gaming console to look at the local storage and check if there are any update files. When there is a new file that the upda...	[ "url" ]	[ "url" ]
kv8oes	How does a touch screen know the difference between a han touch and a mechanical one?	It's often that when we tap random things on the screen, it doesn't respond, but it surely does when we use our fingers.	Technology	explainlikeimfive	{ "a_id": [ "giwt5yi", "giwxrzk" ], "text": [ "Many touchscreen technologies work by sensing a change in the electric field near the display. That change depends on the capacitance and resistance (electrical properties) of the thing coming near, and they're calibrated to respond to the electrical prop...	[ "url" ]	[ "url" ]
kv9bpy	why do pictures of computers have those stripes on it?	I’m talking about when you use your phone to take a picture of a computer and it has that grid lookin this that changes when you zoom in and out	Technology	explainlikeimfive	{ "a_id": [ "giwx95c", "giwynim" ], "text": [ "It sounds like you're talking about a [moire pattern.]( URL_0 ) It's caused when patterns of lines— or pixels— line up in some places, but not in others.", "This is because the refresh rate of the monitor varies from that of the read rate on the image...	[ "url" ]	[ "url" ]
kv9gdn	How do CPU's ensure / handle calculations to ensure that quality of performance is high?	Having worked with data for a long time, I'm noting that the level of complexity for computing is astounding. I'm now regularly working with Gb of data; I'm working with large Gb volumes of memory. But how do I know that the calculations are high quality? For example, should I presume that all CPU calculations are alwa...	Technology	explainlikeimfive	{ "a_id": [ "gix6uvo" ], "text": [ "Modern processors have error correction and detection; they either execute the calculation correctly, they make an error and use error-correction to catch it and recover, or they throw a fault so you know that they made an error they can't recover from. Most electronic ...	[ "url" ]	[ "url" ]
kvamwx	Why can't we melt different kinds of plastic together the way we can melt different kinds of metal together?		Technology	explainlikeimfive	{ "a_id": [ "gix5gzv", "gix5h8y", "gix5wnh" ], "text": [ "You can. Alas, like alloys of metals, mixed plastics don't always have the best of their constituent part's properties. Melt-mixed plastics are often weak and brittle, undesirable properties. That's why you tend to see heat-cured or resin b...	[ "url" ]	[ "url" ]
kvbii9	Millions of data signals are transmitted over the same cables simultaneously. How are they separated and "sorted" so they go to the right place?		Technology	explainlikeimfive	{ "a_id": [ "gixadh2", "gixcz66", "gixa8le" ], "text": [ "The act of sending multiple messages on the same medium is called multiplexing. There are three distinct ways of doing it. First is Time based multiplexing. Instead of sending everything at once, it all goes in a queue and gets processed on...	[ "url" ]	[ "url" ]
kvcozt	- What is the difference between Syntax Analysis and Semantic Analysis?		Technology	explainlikeimfive	{ "a_id": [ "gixho62" ], "text": [ "Syntax analisys checks that the text adheres to some rules and parses it according to some rules. For example, syntax analysis of a real-world sentence would involve determining the object, the subject, the grammatical correctness of the sentence etc. Semantic analysis ...	[ "url" ]	[ "url" ]
kvcxwl	Why do images on the internet sometimes load all-at-once in rows and other times they load from a blurry image to a sharper image?	Thanks!	Technology	explainlikeimfive	{ "a_id": [ "gixl803" ], "text": [ "It's a decision made by the designer of the page. A blurry low-resolution version of an image requires very little data, so it can be downloaded and displayed immediately, while the user waits for the full-resolution version to download, and this looks smoother than hav...	[ "url" ]	[ "url" ]
kvdjaw	Why will certain CPUs perform better than others of the same model if all of the variables are the same such as cooling motherboard etc		Technology	explainlikeimfive	{ "a_id": [ "gixmqko", "gixt69a" ], "text": [ "Microprocessor manufacturing is ludicrously complicated at the detail level. As a result, even though the process is \\really\\ tightly controlled, you get manufacturing variance in the size/thickness of various parts of the CPU so it's never true that ...	[ "url" ]	[ "url" ]
kvf6nx	What powers the microchip inside my credit card and the microchips we put in animals as identifiers for vets?	Are they actually “microchips” or is that a misnomer?	Technology	explainlikeimfive	{ "a_id": [ "gixwqn6", "gixzoub", "gixwzdj", "gixx2yv" ], "text": [ "The reader. For your credit card it's powered through the contacts, if you mean the visible one. For RFID, they're powered wirelessly, which works fine because they only need a really tiny amount of power. And yes, they're ve...	[ "url" ]	[ "url" ]
kvgqdp	Why are Cpus so tiny compared to a gpu? Would it not make more sense to make a fist sized cpu so manufacturers don't have to figure out ways to pack more into each generation they can just use the space?		Technology	explainlikeimfive	{ "a_id": [ "giy8en1", "giy82yj", "giyei4l" ], "text": [ "> Why are Cpus so tiny compared to a gpu They aren't. [This]( URL_0 ), strictly speaking, is not the GPU. We tend to call it the GPU, but it's not. The actual GPU is [a little chip]( URL_1 ) on the circuit board inside that thing. Everythin...	[ "url" ]	[ "url" ]
kvh40b	How does pressing “strong” on my Keurig make the coffee stronger?	Edit: [this is my Keurig]( URL_0 )	Technology	explainlikeimfive	{ "a_id": [ "giyd91r", "giyd6ft" ], "text": [ "It pours the water through slower (lower pressure and lower rate) so that the water spends more time in the grounds and extracts more flavour and more caffeine.", "I believe the higher the brew strength, the longer the water remains brewing, which app...	[ "url" ]	[ "url" ]
kvhlpd	How do movies and TV shows stitch together multiple shots/takes so seamlessly?	Preferably, I'm looking for an answer that addresses both of the following the instances: 1) sometimes you'll see outtakes or extended versions of scenes where lines of dialogue are cut from the final product, but you never notice any "jumps" or "blips" in the finished version, and; 2) a movie like Birdman that, as a f...	Technology	explainlikeimfive	{ "a_id": [ "giyh4al" ], "text": [ "It all comes down to the cuts. The cut refers to when you end one shot and start another. A well-timed and well-placed cut feels natural. In the case of Birdman, if you watch closely there are planning shots that show the same thing on screen, be it a floor or a wall or...	[ "url" ]	[ "url" ]
kvhvbm	How do they manage to measure the audience rating on television when the signal was analog?		Technology	explainlikeimfive	{ "a_id": [ "giye9g7", "giyejyn" ], "text": [ "They would give a little machine to a cross-section of the population that would record which channel was being watched. The viewers themselves would have to set how many people were in the room at the time.", "Nielsen Media Research (Nielsen ratings)...	[ "url" ]	[ "url" ]
kvigei	Why does doing the exact same thing multiple times on a computer sometimes have different results?	Like when you run an application and sometimes it immediately crashes and sometimes it doesn't... what changes? Why does it not execute the action the same exact way every time?	Technology	explainlikeimfive	{ "a_id": [ "giyihrl", "giyjnib" ], "text": [ "the conditions you run the program may differ every time. ideally, the program should be consistent, but changes in CPU load, memory/cache, or the program itself can change the output of the program. your program might be able to run well in an environmen...	[ "url" ]	[ "url" ]
kvijy0	How do TV shows track how many people have pirated it? Couldn’t they stop them if they were able to see that?		Technology	explainlikeimfive	{ "a_id": [ "giyn24o" ], "text": [ "BitTorrent trackers publish those kinds of statistics, it's matter of pride for them. As for stopping it, it's a distributed network across multiple countries so there isn't any one thing you can kill to make it go away. If you stop one torrent site 3 more will pop up t...	[ "url" ]	[ "url" ]
kvj6d4	How do social media companies block a specific person from using their platform when said person could use a different account and/or different device?		Technology	explainlikeimfive	{ "a_id": [ "giynyie", "giynls7" ], "text": [ "Well, they often do, but such bans typically aren't high-stakes or high-profile. Many randos on here will come back bragging about ban evasion. However, if someone is sufficiently problematic, an IP ban or cookie/fingerprint ban may be used. IP bans rec...	[ "url" ]	[ "url" ]
kvjj9g	Is there a legitimate reason why printers cannot print in black and white when one of the other colors has run out or are they just trying to sell more ink?		Technology	explainlikeimfive	{ "a_id": [ "giz11rd", "giypd2a", "giypkd5", "gizk1oy", "giywlqs" ], "text": [ "Not really. The printer can certainly print a sharper black with the other colors, but it's not required. As a couple others have mentioned changing the properties to grey scale should get it to print with only...	[ "url" ]	[ "url" ]
kvkgr9	How can allot of subtitles be so wrong? Is it that uncommon for people to watch TV with the subtitles on? Is there something in the process that makes it impossible to improve?		Technology	explainlikeimfive	{ "a_id": [ "giz8sqh", "giyxdg3", "giz2k7b" ], "text": [ "Live subtitles are often done by people transcribing thigns live which means they don't thave much chance to go back and gix their mistakes if they make them, like if you're typing ans you take away your backspace key andalso you have to ty...	[ "url" ]	[ "url" ]
kvlv35	How bad is it actually for me to have my laptop on my lap without an EMF blocking mat?		Technology	explainlikeimfive	{ "a_id": [ "giz3h8k", "giz58p4", "gizcvau", "giz5n2i" ], "text": [ "It is not. You’ll suffer more “damage” from your laptop getting hot running Cyberpunk 2077 than EMF baking your balls/ovaries. The EMF scare is to just sell you EMF blocking lap desks.", "Literally not bad at all. You for...	[ "url" ]	[ "url" ]
kvnk1t	Why did cordless home phones from the 90's need a two-foot antenna in the house and now we can walk into the middle of nowhere and talk with no antenna?		Technology	explainlikeimfive	{ "a_id": [ "gizdw67", "gizcx0f" ], "text": [ "It has to do with the radio frequency the phones were using. Your cordless phone from the 90s operates on a frequency of around 46 to 49mhz. To calculate the length of antenna needed we use a formula, length in feet = 468 / frequency in mhz. This gives yo...	[ "url" ]	[ "url" ]
kvoimt	Kevlar body armor		Technology	explainlikeimfive	{ "a_id": [ "gizi584", "gizisp3" ], "text": [ "There are multiple issues the biggest one is called \"back face deformation\" basically it's a measure of how much energy is transferred to the body after a bullet strike. In the case of kevlar there is a lot of back face deformation because the projectil...	[ "url" ]	[ "url" ]
kvpbdg	WhatsApp, Signal, Telegram. What's the difference between WhatsApp and the others, is it really worth changing?		Technology	explainlikeimfive	{ "a_id": [ "gizm92n", "gizyuxr", "gizzf9a", "gj04hva", "gizyl59", "gizyhgj", "gj02knz" ], "text": [ "Messages sent by WhatsApp and Signal are both encrypted by default, while with Telegram not always. WhatsApp is owned by Facebook and they collect all sorts of data that they can, ...	[ "url" ]	[ "url" ]
kvs0uc	How does sound 'travel' during Zoom/online calls?	I am a teacher that is going to try and explain this to 4 and 5 year olds. They have been in a Hybrid learning model all school year, some children are online and some in person. I'd like to design a lesson around this, explaining how their voices 'travel' with a computer. Reddit, please help me simplify this concept f...	Technology	explainlikeimfive	{ "a_id": [ "gj0053x" ], "text": [ "* Your voice makes a sound wave in your room. * The microphone in your laptop wiggles when the sound wave hits it. * The mic creates an electrical wiggle that matches the one your voice made. * The computer checks the wiggle thousands of times a second and writes down a...	[ "url" ]	[ "url" ]
kvs5b8	Since open source software means no one person or company owns it; rather a community owns it, what’s preventing from someone making undesired changes? Also, how can open source software be secure if everyone has the codebase?		Technology	explainlikeimfive	{ "a_id": [ "gj00gln", "gj00xrv", "gj02g3l" ], "text": [ "An open source project is still maintained by either a project owner or a group of project owners. They have the authority to merge code that others write to add in to the project. Nothing gets in to the main branch of the project without t...	[ "url" ]	[ "url" ]
kvsn7l	How does Intel Optane work?		Technology	explainlikeimfive	{ "a_id": [ "gj05ksd" ], "text": [ "Intel's Optane sits between RAM and Flash in terms of speed and density. Its a lot faster than flash, but not as dense, and is slower than RAM but much denser so it serves as either relatively fast moderately sized storage or a fast cache for an SSD. Optane is built aro...	[ "url" ]	[ "url" ]
kvtzuv	If all electric heaters are 100% efficient, what is the advantage, if any, in replacing an old heater with a new one?	[Edit: I was thinking mostly in terms of financial benefit, but safety and others is good too]	Technology	explainlikeimfive	{ "a_id": [ "gj0bmn0", "gj0bsrl", "gj0daff" ], "text": [ "The new ones are safer - they'll shut off if they're overheating, they'll shut off if they detect that they've tipped over, and some of them shut off if they've been unattended for a while. Those extra features don't seem to affect the pric...	[ "url" ]	[ "url" ]
kvw4z7	How do they put magnets In iPad cases without fear of damaging the iPad?	SSL	Technology	explainlikeimfive	{ "a_id": [ "gj0poza", "gj0qqxt" ], "text": [ "Magnets are harmless to electronics. The only exceptions are magnetic based devices, such as: * Magnetic storage. VHS tapes, floppy disk, and hard drives. They aren't that susceptible though, it's not like a magnet anywhere near them is doom. Modern hard ...	[ "url" ]	[ "url" ]
kw6mzf	how did elevators work before electricity?		Technology	explainlikeimfive	{ "a_id": [ "gj2jq5z" ], "text": [ "Believe it or not, elevators have existed since grecian times, and to answer your question, there have been a lot of methods used to use elevators: Mechanical power from humans and pack animals, steam, gear systems, combustion motors, even primitive hydraulics and water...	[ "url" ]	[ "url" ]
kw76v4	Why do lights flicker bofore a power outige		Technology	explainlikeimfive	{ "a_id": [ "gj2n5tu", "gj2vh1k" ], "text": [ "Typically because power outages are caused by some kind or short circuit that causes a surge in power draw before the system automatically shuts down. Say a tree branch falling knocks down a power line in your neighborhood, that power like is suddenly gro...	[ "url" ]	[ "url" ]
kw7qvm	When a sunset makes the sky purple and pink, why do photos you take of this with your smartphone always end up in reds and yellows?	I’ve experienced this with half a dozen phones. Even when you try to edit the photo, you can almost never recover the actual colors that were in the sky.	Technology	explainlikeimfive	{ "a_id": [ "gj2ryqh", "gj3bzfz" ], "text": [ "For the same reason why an old turn of the 20th century photograph doesn't look right. It's a crude representation of what we actually see. Don't fool yourself into thinking your phone is different, it's still a crude representation. Just a better one, mu...	[ "url" ]	[ "url" ]
kw7xer	Can glasses that make you see like mantis shrimp be created?		Technology	explainlikeimfive	{ "a_id": [ "gj2r0m1", "gj2u3w7", "gj2rru6" ], "text": [ "No. The human eye has four kinds of light-detecting cells. This limits the number of 'colors' we can see to four, but since one of these times is mostly indiscriminate to color, the number is actually three. Glasses can block out some color...	[ "url" ]	[ "url" ]
kwf4m9	The Central Intelligence Agency released old UFO documents. Why do the documents look they way they are? The text appears to be un-carefully printed or just ruined.		Technology	explainlikeimfive	{ "a_id": [ "gj3te4v", "gj3tn3v" ], "text": [ "The look is due to the way that government documents in the US were typed up on a typewriter - they had to follow a very specific format. The little dots and \"smudginess\" to the document is due to multiple copies being made of copies being made of copie...	[ "url" ]	[ "url" ]
kwfjtx	What is the difference between a $10 HDMI cable and one that costs $100?	I know that a $100 on could be super long, but that’s not what I’m asking. Why is one 3ft cable $10 and another brand for the same length is $30?	Technology	explainlikeimfive	{ "a_id": [ "gj3ulmj", "gj3ul1h", "gj3wneo", "gj3vwuw" ], "text": [ "Branding, mostly. And for the really expensive ones, there might even be gold contacts in the cable. It’s very much a means of taking money from stupid customers; no-one’s realistically going to tell a $10 cable from a $30 ca...	[ "url" ]	[ "url" ]
kwhdh7	How do cameras work? How did someone figure out that you could capture an image on film?		Technology	explainlikeimfive	{ "a_id": [ "gj45r1n", "gj45mvn" ], "text": [ "Before we had plates to capture the image and keep it, there was something called a camera obscura, basically just a dark room or tent with a tiny hole. If done correctly, light shines through the hole and creates an image on the wall. The camera as we kn...	[ "url" ]	[ "url" ]
kwhigv	Why is data protection and cyber warfare considered the most imminent threat to humanity?		Technology	explainlikeimfive	{ "a_id": [ "gj47als", "gj4bbpl" ], "text": [ "Algorithms for websites goals are to keep you using their platform or service for as long as possible. So in a search engine it's goal isn't to show you the most popular links, or the best answer to your questions, but what it thinks you will like and cli...	[ "url" ]	[ "url" ]
kwjppj	Why is our recorded voice different from the voice in our head? Which one is ‚real‘?		Technology	explainlikeimfive	{ "a_id": [ "gj4jf7f", "gj4jph8" ], "text": [ "Things you hear in the world are coming into your ears, hitting your eardrums, and interpreted by your brain. When you speak, your ears hear a combination of your voice coming out of your mouth combined with the vibrations of your vocal chords, traveling ...	[ "url" ]	[ "url" ]
kwk9v6	Why can't online shopping sites like Best Buy/Amazon/New Egg/etc limit the amount of a specific item someone is allowed to buy based on their IP address in order to avoid scalping?		Technology	explainlikeimfive	{ "a_id": [ "gj4ma2t", "gj4nthi" ], "text": [ "Because they don't care to. If I'm Amazon, I'm happy to sell 1,000 full price units to one person rather than one full price unit to 1,000 people. It's an easier transaction for me, with less friction and costs, and likely less shipping costs as well - se...	[ "url" ]	[ "url" ]
kwkjzu	that weird pop/crack sound when the TV is turned on		Technology	explainlikeimfive	{ "a_id": [ "gj4sz0t" ], "text": [ "It could be a number of things, but most likely it's your speakers receiving a sudden spike in the signal. Speakers make sound due to changes in voltage. So, when your TV turns on, the voltage on the speakers suddenly jumps up from 0 causing them to make a pop sound. It...	[ "url" ]	[ "url" ]
kwlgl8	what was with the weird static noise speakers made when someone called on an old phone?	i distinctly remember the sound, every time someone would call my dads nokia phone, the speakers would make this static "thut-ter-thut thut-ter-thut" sound until my dad would pick up, i haven't heard the sound in 8 years but now while playing gta 4 for reminders, i heard that noise in my headphones (i am guessing someo...	Technology	explainlikeimfive	{ "a_id": [ "gj4vbg5" ], "text": [ "That's a side effect of some of the older cellular technologies; the towers communicated with the phones (for some protocols) on a frequency and modulation that was really good at coupling with the amplifier circuits in headphones and speakers. Basically, the speaker/he...	[ "url" ]	[ "url" ]
kwqlqt	How does the Xbox One Kinect capture depth data of a room?		Technology	explainlikeimfive	{ "a_id": [ "gj5r0le", "gj61do0" ], "text": [ "The Kinect sends out infrared dots all over the environment and then uses AI to determine the shapes and distances of what is in the room. You can find more info and even videos of it working online and Youtube.", "If you Send out one beam of laser li...	[ "url" ]	[ "url" ]
kwsaz6	Why do older games load based on FPS and not when the next scene is "ready"?	I noticed this when emulating older games with battles like Final Fantasy 9 which has a long intro to the battle scene. If you uncap the frame lock ie "turbo" mode, the scene loads significantly faster. Why are the loading screens tied to the frame rate instead of when its "ready"?	Technology	explainlikeimfive	{ "a_id": [ "gj65lle", "gj61gsl" ], "text": [ "Older games were coded to run on old CPUs and are \"sensitive\" to the CPU speed. Since modern CPUs run much faster, the emulator has to account for that by forcing the game to run at a certain framerate to keep the game speed consistent. When you uncap t...	[ "url" ]	[ "url" ]
kwy1vj	Why do video cameras have problems with parallel lines in patterns on shirts and other items?		Technology	explainlikeimfive	{ "a_id": [ "gj729su" ], "text": [ "When you overlay two patterns, the patterns can interact visually and create a new unique pattern. A video camera takes images composed of a rectangular grid of pixels, which is a pattern. If you take a video of another pattern, such as a striped shirt, the stripe patte...	[ "url" ]	[ "url" ]
kwy2kc	How come 12fps makes for a smooth hand-drawn animation, but for video games it looks like a slideshow?		Technology	explainlikeimfive	{ "a_id": [ "gj71no8", "gj7222o" ], "text": [ "Your brain fills in the gaps, especially with something as low resolution as a cartoon. In a game you move around, if you were always looking at a still frame with a few moving elements all timed to look good at low fps then it would probably look fine, b...	[ "url" ]	[ "url" ]
kx810l	Why do video games NPC makes T-pose when bugged out?		Technology	explainlikeimfive	{ "a_id": [ "gj8jehl", "gj8myio" ], "text": [ "T-pose is the default pose for many videogame engines. When there's a certain bug and the engine can't determine what the pose needs to be, it reverts to the default.", "T-pose is the default pose in which you model characters so you can see every par...	[ "url" ]	[ "url" ]
kx9zqi	How do videogames actually run?	I’ve been fascinated in computers, and I learned about all the parts that need to work in order to run anything. But when you really think about it, EVERY SINGLE PIXEL on your monitor is lit up for a reason, and it takes millions of calculations. But I was wondering, when gaming, where does everything have its place? L...	Technology	explainlikeimfive	{ "a_id": [ "gj8y9l9" ], "text": [ "> Is it just a set of electrical charges? Fundamentally, yes. Everything on your computer is stored as a stream of 0s and 1s, miniscule electrical charges or magnetic domains pointing this way or that way. Your operating system can look at a particular sequence of 0s/1s...	[ "url" ]	[ "url" ]
kxa4uj	How does Google know the difference between me riding my motorbike and driving my car?	Just got my 2020 Google timeline email and it tells me how many miles I've done on my motorbike and how many I've done in my car. How does Google know this? I can understand how it knows the difference between walking, cycling, driving ect but a motorbike and a car? How?	Technology	explainlikeimfive	{ "a_id": [ "gj8xxtw", "gj90ko6" ], "text": [ "It uses it's best guess based on unique factors between the two. When you're in a car, you're unlikely to be leaning left and right so your phone stays relatively stable whether in your pocket, in a mounting device, etc. If you're on a motorcycle you're g...	[ "url" ]	[ "url" ]
kxbz2w	What is the exact meaning of this statement, "I'm not scared of a computer passing the turing test... I'm terrified of one that intentionally fails it."	Like, if a computer passes the Turing test, it is good enough to deceive a human into thinking that is not a bot, but an actual human. I really don't get the "...scared because of the one who intentionally fails it" part. I mean, if it doesn't pass, wouldn't the machine/computer be shut down....?	Technology	explainlikeimfive	{ "a_id": [ "gj991kb", "gj999n4", "gj99b64", "gj99da0", "gj99jmv" ], "text": [ "It means it's smart enough to intentionally fake a fail. That suggests it understands what the test is trying to identify and is intentionally trying to appear as less of a threat.", "I think an AI that’s p...	[ "url" ]	[ "url" ]
kxcfch	can’t recirculate car air with defroster on	I’ve noticed this in every car I’ve ever driven. If you turn on the defroster in a car then you cannot have the air on recirculating. If you are running the air out the normal vents with recirculate on then switch to defrost then the recirculate mode will be deactivated.	Technology	explainlikeimfive	{ "a_id": [ "gj9c3bd" ], "text": [ "Carmakers assume that when you're defrosting, it's because there is high humidity inside the car (causing fogging or frost). The goal for defrost is to remove moisture, so recirculating would defeat that purpose. Fun fact, on a lot of cars, when you use defrost the A/C ...	[ "url" ]	[ "url" ]
kxenz3	Why do the clocks on an Apple iPhone and a HP laptop have a 1 minute time difference, if both are set automatically?		Technology	explainlikeimfive	{ "a_id": [ "gj9xj0e", "gjbr8ov" ], "text": [ "Both devices are set from different time sources that may have different lag times. The iPhone is set either from the cellular network or from GPS, while the laptop is set from an internet-based Network Time Server (typically URL_0 ). Internet time source...	[ "url" ]	[ "url" ]
kxeojy	Why have people created different programming languages and keep creating new ones?	So wouldn't it be easier if instead of creating thousands of programming languages, people created one - super cool, advanced, universal etc? Why can't they all be combined into one?	Technology	explainlikeimfive	{ "a_id": [ "gj9t1nu", "gj9u36v" ], "text": [ "Because one day, someone will discover that your one, super cool, advanced, universal programming language either can't do one specific thing, or can't do something fast enough for what they're doing. So they'll create another programming language. Then i...	[ "url" ]	[ "url" ]
kxeuwe	Why haven't we run out of phone numbers yet?	Are they recycled? If we do, what will happen?	Technology	explainlikeimfive	{ "a_id": [ "gj9to50", "gj9t7le" ], "text": [ "There are a lot of number permutations. A North American number has a 10 digits, which means that there are exactly one billion possibilities. Furthermore, countries also have their own codes. In the USA and Canada, we use 1, Germany uses 49, Panama uses ...	[ "url" ]	[ "url" ]
kxjmtf	Why does 24fps Film look so smooth but 24fps Gaming look so bad?		Technology	explainlikeimfive	{ "a_id": [ "gjamxie", "gjb06fb" ], "text": [ "Motion blur. The film captures motion as blur, and the eye interprets blur as motion. Motion blur transformation is extremely computationally expensive. Movie special effects might be able to afford it, but your gaming rig can't. Games stutter motion, and...	[ "url" ]	[ "url" ]
kxkeb8	How the heck did car cassette adapters work	Every time I use the cassette adapter to play music off my iPhone in my car (I drive an old beater) I'm just like...what is this marvel of human engineering and why is it only 10 bucks at Walmart??	Technology	explainlikeimfive	{ "a_id": [ "gjaru5k" ], "text": [ "The basic idea of a magnetic tape cassette is that a moving (changing) magnetic field will induce an electric current in a nearby conductor, and that signal is then amplified to the speakers. A changing magnetic field can also be generated from current passing through a...	[ "url" ]	[ "url" ]
kxlhjr	Why do some LEDs still glow after turning them off?	I got some multicolor LED strips in my room and when I use the remote to shut them off for the night, a few of them still glow. Why does this happen?	Technology	explainlikeimfive	{ "a_id": [ "gjaz790" ], "text": [ "The ELI5 explanation is: bad design. There is enough leaked current from whatever the are using to control the current (triac/transistor/SCR) that feeds the LEDs. There are ways to fix it" ], "score": [ 13 ], "text_urls": [ [] ] }	[ "url" ]	[ "url" ]
kxpz38	why amd and intel name their chips “3, 5, 7 and 9”? Why are they skipping numbers, and why do both companies name the chips the same way?		Technology	explainlikeimfive	{ "a_id": [ "gjbozjg" ], "text": [ "CPU's have an even number of threads and cores. In the past this led to confusion with people not being able to tell the difference between an \"intel core duo surge extreme\" and an \"intel core 2 turbo\" or whatever. So intel intentionally made the i3/i5/i7/i9 designa...	[ "url" ]	[ "url" ]
kxqbjf	How is information transmitted through wires?	Take a simple USB cable. It’s just a small array of conductive contacts and metal wire. Obviously the computer/device decodes the information but how is that information communicated? Morse code?	Technology	explainlikeimfive	{ "a_id": [ "gjbrdj4", "gjc2oc4", "gjc2c0s", "gjbra57", "gjc4rol", "gjc7m5c" ], "text": [ "For copper/metal wires like that its basically morse code, you just toggle the electricity on and off real fast. In a usb cable and other such cables there's also often multiple wires woven insid...	[ "url" ]	[ "url" ]
kxtc7k	How does data get transferred via Bluetooth?	I get how information can transfer via wires, but I don't get how we can transfer information without a wire, how does it work?	Technology	explainlikeimfive	{ "a_id": [ "gjc4gzn", "gjc4jve", "gjc5942" ], "text": [ "Bluetooth uses radio waves. Inside every Bluetooth device is a tiny radio transmitter and receiver. Because the transmitted power is very low, the range is short, just a few meters.", "Wireless data transfer uses some form of frequency ...	[ "url" ]	[ "url" ]
kxx63a	How "https" implementation is done does it costs website owner?		Technology	explainlikeimfive	{ "a_id": [ "gjcr86z" ], "text": [ "The website owner has to purchase an SSL certificate for the site domain in order to provide HTTPS services, but there isn't any additional expense beyond that (other than configuring the site to listen on a different port--HTTPS uses 443 whereas HTTP is 80)." ], "s...	[ "url" ]	[ "url" ]
kxyi2v	Data forensics - can your deleted files really come back?	Hi, can someone please explain this to me - I read many articles that say that if you sell your phone whether you do factory resets or not, your files can be retrieved because the phone doesn't actually get rid of the file but rather sort of deletes the pathway to the file (?) and replaces it with anew. So my question ...	Technology	explainlikeimfive	{ "a_id": [ "gjd02w6", "gjd1pz0" ], "text": [ "Data is stored as a bunch of 0s and 1s. When it is deleted the 0s and 1s aren't changed until they are written over, only the information telling the computer where the data is stored is written over. Since the actual information isn't actually gone it is...	[ "url" ]	[ "url" ]
kxzpne	Why Are Some Passwords Unbreakable?	So today I came across an article which said something like this: "We recommend that people should use six words for their passwords (or five words, plus a character). •Five words are breakable with a thousand or so PCs equipped with high-end graphics processors. •Six words may be breakable by an organization with a ve...	Technology	explainlikeimfive	{ "a_id": [ "gjd7qrk", "gjd67wj", "gjd6xad", "gjd789e" ], "text": [ "They are not talking about letters, they are talking about actual words. The difference is that there are only 26 possible letters but there are thousands of words you might end up using even though it is roughly as easy for ...	[ "url" ]	[ "url" ]
ky2o8x	How does the lottery know unclaimed prizes exist?	Does the lottery track every ticket number sold and compare it against the drawing? Otherwise how would they know someone has won?	Technology	explainlikeimfive	{ "a_id": [ "gjdny2e" ], "text": [ "yes, they do exactly that. everyone that sells tickets uses the same point of sale terminal that logs the numbers and timestamps of everything sold." ], "score": [ 6 ], "text_urls": [ [] ] }	[ "url" ]	[ "url" ]
kyazho	Why does a 50” 1080p TV look great, but a large print 2 megapixel photo looks like crap?	A 1080p image is slightly larger than 2 megapixels, and video at that resolution looks great, even on a 50” inch screen (roughly 44 ppi or pixels per inch). When it comes to printing photos, though, a 2 megapixel image can’t be printed much larger than 4x5 before it starts to look crappy (lower than 300 dpi or dots per...	Technology	explainlikeimfive	{ "a_id": [ "gjf3k6d", "gjf50e1" ], "text": [ "1) A moving image that is refreshed at fast rate vs a static one. 2) Viewing distance. 3) If the 2M image is composed with care and exposed correctly and later you apply post processing, it will also look good, especially if you view it from distance. 4) ...	[ "url" ]	[ "url" ]
kybawd	Why have we not run out of ip addresses?	With the massive growth in internet devices, shouldn't we have used up all possible ipv4 numbers?	Technology	explainlikeimfive	{ "a_id": [ "gjf4kcy", "gjf4z44", "gjf7ki4", "gjg0js4" ], "text": [ "We did, sort of. We have way more devices than ipv4 addresses, but a lot of them are using the same address and hiding behind a local network. For most broadband setups, your entire WiFi network is only consuming one public I...	[ "url" ]	[ "url" ]
kycf6b	Why does digital storage always have the same values eg. 32gb, 64gb, 128gb, 256gb etc. and why do they double every time they go up in size? Is this a limitation or just a standard?		Technology	explainlikeimfive	{ "a_id": [ "gjfcapo", "gjfhr1j", "gjfh75l", "gjfc0pf", "gjg2gng", "gjfd6jp" ], "text": [ "As you probably know digital computers and storage are implemented using binary logic circuitry and this makes it convenient to work with numbers that are powers of two. In the case of storage, a...	[ "url" ]	[ "url" ]
kyetu1	Why can't we recycle plastic in the same way we do for metal? Melt it and remold it?	Little edit: The question was regarding the mechanical/chimical aspect, not economical.	Technology	explainlikeimfive	{ "a_id": [ "gjfzc45", "gjfoqim", "gjg8qur", "gjfq8jo", "gjgp3ok", "gjg1vo7", "gjg02z4", "gjg2sfz", "gjg38as", "gjfy9fn", "gjggehl", "gjhrvzv", "gjgobq8", "gjg5f89", "gjghy68", "gjggins", "gjgc1t0", "gjh33a9", "gji1o88", "gjg60l0", "g...	[ "url" ]	[ "url" ]
kyf8qp	How does the cellphone knows its on the horizontal or vertical position? How exactly those sensors work?	This is quite a puzzle for me because I don't think its something mechanical because cellphones are slim and compact you can't fit something mechanical in there, and if its a software I don't understand how can a program sense something physical ?	Technology	explainlikeimfive	{ "a_id": [ "gjfrbfu" ], "text": [ "It is something mechanical; it's just very, very small. First of all, in order to understand how it works, you have to know about two things: First is that gravity is, from a physics standpoint, indistinguishable from acceleration. This means that, even at rest, the cel...	[ "url" ]	[ "url" ]
kyglp4	Why do gas burners go from off to high to low? Wouldn't it make more sense to go from off to low to high?		Technology	explainlikeimfive	{ "a_id": [ "gjfwj8h", "gjfwidl", "gjgdzrn", "gjfxoxh" ], "text": [ "It's so that you can minimise the flame on the burner without risking having the whole thing turn off. If it was the other way around you would often try to set the gas even lower to the point that it could easily blow out. B...	[ "url" ]	[ "url" ]
kylscy	What is cloud hosting?	My dad has asked me to help move his business "on cloud" (whatever that means) and I'm having major trouble understanding all the terms given online!	Technology	explainlikeimfive	{ "a_id": [ "gjh29jn" ], "text": [ "What this means is instead of hosting a website or data locally on a server located at your business, you instead use a cloud provider such as AWS, google cloud, or azure to host it or perform other services. Sometimes this is more expensive, it depends what you’re doin...	[ "url" ]	[ "url" ]
kyojdx	Why do some hi-tech devices with fully-drained, permanent lithium ion batteries need some battery charge before working even when you plug them in?	I've noticed this with ipads and iphones. If it's completely drained and you plug it in, you still can't turn it on for a few minutes. I don't know if the battery is part of the standard circuit powering the thing or what.	Technology	explainlikeimfive	{ "a_id": [ "gjho9sj" ], "text": [ "The battery has to deliver a minimum voltage for the device to work properly. The voltage that a battery delivers decreases as its charge decreases, so if the charge is too low, the voltage will be too low." ], "score": [ 3 ], "text_urls": [ [] ] }	[ "url" ]	[ "url" ]
kyqh3d	how does Ping work?		Technology	explainlikeimfive	{ "a_id": [ "gjhzxov", "gji0v7e" ], "text": [ "Imagine that you want to see how fast the post office is, so you mail your friend a letter that says \"Hey - send this back to me as soon as you get it.\" As soon as you drop it in the mailbox, you start a stopwatch. When the letter comes back, your stopw...	[ "url" ]	[ "url" ]
kys5nz	Why are there so many file formats for audio, video, and photos?	I know there are some formats that are for raw files, but most others are compressed. Why are there so many of those?	Technology	explainlikeimfive	{ "a_id": [ "gjidy3f", "gjieohl", "gjihjfn" ], "text": [ "[Relevant xkcd]( URL_0 ) Sometimes they serve different purposes. For example GIF and PNG are lossless formats so they are meant for graphics, while JPEG is a lossy format so it's better for things like photographs. Sometimes they're just a...	[ "url" ]	[ "url" ]
kysk7m	how do underwater flares (or matches) maintain a flame or light when they are surrounded by water?	Just watched Crawl (2019) and got me thinking. Edit: i should clarify, why do they not extinguish like a normal flame.	Technology	explainlikeimfive	{ "a_id": [ "gjieugp", "gjifvnn", "gjj53yo", "gjif1j4" ], "text": [ "We're used to seeing fires that get their oxygen out of the air, but that's not the only way to do it. If you heat up a material with a lot of oxygen in it, like a sulfate, a phosphate or a nitrate, it can break down and rele...	[ "url" ]	[ "url" ]
kyt4at	There a only a handful of viable operating systems out there (Linux, Windows, and (?). What makes it so difficult to make a fresh operating system?		Technology	explainlikeimfive	{ "a_id": [ "gjij785" ], "text": [ "It's not. Writing your own basic OS is a fairly common computer science/engineering undergraduate assignment. But that's a purely academic OS that doesn't really do anything interesting and has zero applications. Writing a full-featured modern OS is the evolutionary tas...	[ "url" ]	[ "url" ]
kz3nd7	How do video compressors work?	I've been using a video compressor under 8mb for discord videos and I've been wondering, how do they work?	Technology	explainlikeimfive	{ "a_id": [ "gjk9zb4" ], "text": [ "By getting rid of information that isn’t too important. There are two types of video compression, intraframe and inter frame. Intraframe works like image compression, it looks at each frame of video and tries to reduce the information it needs to store. For example if t...	[ "url" ]	[ "url" ]
kz7g9v	why does Lithium batteries get less efficient after a while?		Technology	explainlikeimfive	{ "a_id": [ "gjlryk7", "gjm6628" ], "text": [ "This is a general property of all batteries. Batteries depend on what’s called an equilibrium or a reversible chemical reaction. In theory the reaction should be able to cycle indefinitely. In reality, every cycle causes some degradation in the geometry o...	[ "url" ]	[ "url" ]
kzbg9a	Why does it take a lot of time to move, let's say, 600GB of archives between two folders in Windows 10, but it's almost instantaneous to move the folder itself (with all those archives inside) to another?		Technology	explainlikeimfive	{ "a_id": [ "gjmmrvr", "gjmnpv9", "gjo2r7m", "gjnt682" ], "text": [ "The way the file system works is that the windows explorer hierarchy is just pointers to the actual physical location on the drive. And moving stuff between different folders in the windows explorer hierarchy isnt moving the ...	[ "url" ]	[ "url" ]
kzbt1h	Why are monitors 144 hz instead of a flat 140 or 150?		Technology	explainlikeimfive	{ "a_id": [ "gjmsm4i", "gjo57is", "gjo6r13", "gjp2lf5", "gjnzaa7" ], "text": [ "It's divisible by 24, which is commonly used for cinema. If it was 140 hz you would have some weird possibility such as 20 frames showing for 7 cycles (which wouldn't sync with cinema), or stretching some frame...	[ "url" ]	[ "url" ]
kzchox	Why is the computer mouse called a mouse?		Technology	explainlikeimfive	{ "a_id": [ "gjmwocs" ], "text": [ "It was originally called X-Y position indicator for a display system. Later it was called a mouse because it looked like a mouse. URL_1 URL_0" ], "score": [ 31 ], "text_urls": [ [ "https://www.devinedesign.net/why-is-a-mouse-called-a-mouse/", ...	[ "url" ]	[ "url" ]
kzeqkc	Why can't PC manufacturers use GDDR5 as system memory like PS4?		Technology	explainlikeimfive	{ "a_id": [ "gjnc3wn" ], "text": [ "GDDR vs DDR is a matter of usage. GDDR is optimized for bandwidth, sending lots of data at once which is good for parallel processing. DDR is optimized for latency which is better for CPU tasks. The numbers are also a bit confusing because the generations don't really l...	[ "url" ]	[ "url" ]
kziho9	How do Rancher, Docker & Kubernetes work together?	I just learned about these pieces of software while doing some research for my new home network. It makes me feel not very smart. Please - ELI5	Technology	explainlikeimfive	{ "a_id": [ "gjob2jt" ], "text": [ "Docker - creates containers in which applications can run. A container is like a lightweight Virtual Machine; rather than sharing one physical machine with multiple VM instances (which each require their own Operating System), you're sharing one single OS kernel with mu...	[ "url" ]	[ "url" ]
kzjmp7	Why an RX 6800 graphics card uses 12gb VRAM when playing Warzone, but a 3070 would run the game fine with only 8gb Vram?	As the title reads. My amd RX 6800 graphics card uses 12 - 13gb of vram when playing Warzone and other games. How would a 3070 or a 3080 for that matter with only 8gb or 10gb VRAM run the game in similar or better performance? Does the VRAM not really matter?	Technology	explainlikeimfive	{ "a_id": [ "gjoakut" ], "text": [ "Most likely the game detects what size vram you have and loads everything it can into it, which would look like you need more vram but it's just basically cramming more into it because it can.. Think of it like you are planning 2 vacations you have a choice between a sm...	[ "url" ]	[ "url" ]
kzkj1m	How do universal remotes work		Technology	explainlikeimfive	{ "a_id": [ "gjodjtf", "gjodf2p" ], "text": [ "Typically they have an IR sensor, you put it in programming mode, push that button you want on the original remote and it records the pattern of flashes. Some also have a lot of the signals for major appliances preinstalled.", "They store the patterns...	[ "url" ]	[ "url" ]
kzlkib	Why do old cartoons and shows have those little white and black dots pop up randomly?		Technology	explainlikeimfive	{ "a_id": [ "gjolgjo" ], "text": [ "If you’re not talking about regular old dust and scratches on old film, you might be referring to those big black dots that sometimes flash at the upper right of the screen. These are called cue marks, and they’re a signal to the projectionist at the theatre that the fi...	[ "url" ]	[ "url" ]
kzlurr	Can holding down the power button on your PC/laptop to switch it off actually damage it? If so, how?		Technology	explainlikeimfive	{ "a_id": [ "gjolx6b", "gjomidz", "gjom1ba", "gjp4axq", "gjp0c2z" ], "text": [ "Can result in data loss, possible os/file corruption because you're forcing it to power off rather than a graceful shutdown. Files could be in the process of being written. But on the odd occasion if it's froze...	[ "url" ]	[ "url" ]
kzncbz	How did recording music change with the Beatles?	For example, what were some things that were new then that we take for granted now?	Technology	explainlikeimfive	{ "a_id": [ "gjoupn6" ], "text": [ "Quality for them was a very important thing, that's one of the reason they abandoned tours and dedicated to studio recordings. Back then wasn't possible to have a good sound system in areas with huge crowds, if you see the videos you'll hear mostly screams of their fans...	[ "url" ]	[ "url" ]
kznua6	Why is higher color temperature (5600k) considered cool and lower (3400k) considered warm? Previous answer explained that bluer looks like ice and yellower looks like fire which explains cool/warm, but where do the numbers come in?	I know in Kelvin is a temperature scale where 0 is absolute 0, but what relation to color temperature is the kelvin number?	Technology	explainlikeimfive	{ "a_id": [ "gjoxf44", "gjphul5" ], "text": [ "When an object is hot, it glows. Body-temperature objects glow in far-infrared light, which is how thermal cameras work. Hotter objects glow in near-infrared and even visible red light. This is why hot objects can look red. Thus the origin of \"red hot\"....	[ "url" ]	[ "url" ]
kzo685	How can a chromecast keep playing video, without stuttering or buffering, if the device that is casting the video turned off and on while it was still connected to the chromecast		Technology	explainlikeimfive	{ "a_id": [ "gjoyyu3", "gjp0cbp" ], "text": [ "All the device does is tell the chromecast what to stream. Once it does that the chromecast takes over and streams the content by itself ( until you tell it, via the device, to stream something else).", "Think of your phone as a remote control, and th...	[ "url" ]	[ "url" ]
kzrwpi	Why do we have different game bugs on different computers if the game code is the same?	Why isn't it the case that all players have exactly the same bugs? For example, if two people have two different videocards, but the game code is the same (and contains the same bugs), shouldn't they behave in the same way?	Technology	explainlikeimfive	{ "a_id": [ "gjpi9dl", "gjpifyy" ], "text": [ "just because the game code is the same doesnt mean it works well with the hardware and software of the system running it. graphics cards often need patches to make them run better with newer games. same goes for the code of the game, generally needs to be...	[ "url" ]	[ "url" ]
kzu24g	how exactly does blocking a number stop them from not being able to message you		Technology	explainlikeimfive	{ "a_id": [ "gjpxmvm" ], "text": [ "For landlines, (if those still exist in your spaces. They barely do in mine), blocking a number is accomplished at the “switchboard” end of things. Basically when a call comes in from a number to a number, the call router will check a database to see if the calling numb...	[ "url" ]	[ "url" ]
kzuxqy	What does it actually mean to install a software? What is the computer/OS doing that means it is installing?		Technology	explainlikeimfive	{ "a_id": [ "gjpwuw2", "gjpzudu" ], "text": [ "Broadly speaking it means just copying files to the locations they belong. For most Windows apps this is inside `C:\\Program Files` (or whatever it is these days), but there can be a few management steps involved as well. Putting an entry into the start m...	[ "url" ]	[ "url" ]
kzv2qm	What’s the difference between a MRI Scan, CT Scan, PET Scan, and X Ray?	By the way, I know what an X Ray Scan is but I don’t understand exactly how it works.	Technology	explainlikeimfive	{ "a_id": [ "gjpyacy", "gjpz517" ], "text": [ "x-ray = 2D, shoots radiation to get a 2D picture of the target area. primarily just for seeing if something is fractured/broke MRI - 3D image, used to primarily see soft tissue injuries. more detailed than a CT but takes longer CT - lots of xrays stitched...	[ "url" ]	[ "url" ]
kzz5w3	When you empty the recycle bin on a PC, where does all that data go?		Technology	explainlikeimfive	{ "a_id": [ "gjqlurc", "gjqmnhc", "gjqqp4u", "gjxr7tf", "gjrnq88" ], "text": [ "It's basically like a hidden folder, when you empty it the location as to \"where that data lives\" on the disk is deleted. This is know as the FAT table (file allocation table). The data is still there, but th...	[ "url" ]	[ "url" ]
kzzeif	What is ACID compliance in the database?		Technology	explainlikeimfive	{ "a_id": [ "gjqmx11" ], "text": [ "ACID stands for: - Atomicity: it can manage a set of operations as a single \"unit\", so either everything succeeds or everything is aborted and comes back to the previous state - Consistency: basically, things are only saved if they respect all kinds of requirements de...	[ "url" ]	[ "url" ]
l04bs6	Why is Accelerated Mobile Pages (AMP) bad for internet content creators?	Also, how to circumnavigate this problem?	Technology	explainlikeimfive	{ "a_id": [ "gjrgpc8" ], "text": [ "When you directly access the webpage of your favorite content creator, that webpage is provided by a server of their choice which gives them creative control over your visit. During that visit, they can make money by selling ad space on their website, or by selling trac...	[ "url" ]	[ "url" ]
l05fjn	Why cant we copy the text from an image file through notepad then paste and save as image file and not get the original image?		Technology	explainlikeimfive	{ "a_id": [ "gjrovfz" ], "text": [ "Notepad is a text editor. When you open a file that isn't text Notepad does its best to try to display it but it doesn't always work; there are many bytes that don't code to anything as far as Notepad is concerned. When you paste/save, Notepad doesn't know how to deal w...	[ "url" ]	[ "url" ]
l06u1j	How do advertisements and pictures get put under ice in ice rinks?	I was watching some figure skating thing, and under the ice was the name of the event, and various advertisements. And, no sign of hocky game markings. How do these get put there? I would think the designs too exact to have been made by dying the ice. and you certainly can't put the advertisements on top of the ice. Bu...	Technology	explainlikeimfive	{ "a_id": [ "gjrvqm9", "gjso0t1" ], "text": [ "Typically they are painted into the base surfaces once the white has been applied. Once that and the lines are dried (sometimes the lines are fabric - maybe silk) the side boards are put up and then the ice water application begins in layers. Here is a vi...	[ "url" ]	[ "url" ]
l06v04	Why do movies only need 24 FPS, but games need a minimum of 60 FPS to be considered good?		Technology	explainlikeimfive	{ "a_id": [ "gjrunv3", "gjrw4xe", "gjrxg11", "gjrub6k" ], "text": [ "Also, we aren't having to interact with the movie. We can passively take in 24 fps and be happy, but when actively engaged, our eyes/brain are able to handle more (60fps is nice, but we can experience more like 240 fps in sho...	[ "url" ]	[ "url" ]
l096tb	Why do we need to click 'eject' before removing a USB stick?		Technology	explainlikeimfive	{ "a_id": [ "gjs7mlg" ], "text": [ "Ultimately it's the same reason you're supposed to turn the computer off by selecting \"Shut down\" and letting it do this itself rather than just pulling out the power cable. Except it's specific to the USB stick rather than the whole computer. When you copy or delete ...	[ "url" ]	[ "url" ]

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