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jv1nby | What is the difference between Data Warehouse and Data Lake? | Technology | explainlikeimfive | {
"a_id": [
"gcgye66"
],
"text": [
"Data Lake = throwing all your toys into a big pile in a room in your house. Data Warehouse = Putting all your toys in a neat and orderly fashion in a room, labeled and ready for use. Toys that don’t fit how things are organized are never brought into the room."
],
"... | [
"url"
] | [
"url"
] | |
jv1nic | What is actually going to happen when Google stops “supporting” Adobe Flash Player? | Does this mean that we will have to pay for a subscription to run anything that requires it? Can anyone explain? | Technology | explainlikeimfive | {
"a_id": [
"gcgy5eu",
"gcl19dm"
],
"text": [
"It's being disabled entirely for the browser: any websites at this point that still use it (very few outside of very old content and flash games) will not function .",
"No, it means that websites which use Adobe Flash Player will generally not functio... | [
"url"
] | [
"url"
] |
jv1vme | How did people start cars before the modern key-in-ignition system? | In old movies, anyone can start any car without a key (one example is in Bringing Up Baby) Is that just a movie thing? | Technology | explainlikeimfive | {
"a_id": [
"gcgzey7",
"gch1wgq"
],
"text": [
"I believe the original Model T used a crank to start. It was in the engine so people had to crank the car and then get inside to drive.",
"The first method was a crank start (dangerous) then you got a push-button electric starter. Eventually moved to ... | [
"url"
] | [
"url"
] |
jv3i1w | How was the ISS launched and put into orbit? | Technology | explainlikeimfive | {
"a_id": [
"gch9bgq"
],
"text": [
"Carefully... Jokes aside, piece by piece. Mainly using the space shuttle. The big deal of the space shuttle was that it was “the pickup truck” of space craft. It could go up with large cargo, assist in its positioning and assembly then fly back down for another round. T... | [
"url"
] | [
"url"
] | |
jv40dg | How does the Youtube algorithm works? | Technology | explainlikeimfive | {
"a_id": [
"gchc6jj",
"gchctgh"
],
"text": [
"We don’t know, and we can’t know, even google themselves doesn’t really know how it works 100%, because it’s a self training neural network, basically it tries a lot of things and does what it thinks is the best based on tons of data, there is no answer t... | [
"url"
] | [
"url"
] | |
jv6emm | With modern technology, why are all types of printers still so slow and embarrassingly unreliable? | Technology | explainlikeimfive | {
"a_id": [
"gchpbyl"
],
"text": [
"Not all are. Just the cheap consumer grade printers are terrible. If you are willing to put a few thousand on the table you're able to buy a reliable machine that pushes out your 300 page report in a few minutes."
],
"score": [
5
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"text_urls": [
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jv8hgu | Why do older TVs and radios translate weak or missing analog signals as "static?" | And on a related note, why do more modern radios now play silence instead? | Technology | explainlikeimfive | {
"a_id": [
"gci3y39"
],
"text": [
"It's about how the signal is encoded. Analog signals will simply play the wave that is send, and in case of nothing send it will amplify the background noise. Digital signals are basically numbers encoded into the radiowaves you then use to generate the sounds. They can... | [
"url"
] | [
"url"
] |
jv9u78 | Why do we need to modulate digital signal? | Hello, i know that, we modulate digital signal to reduce noise and to make it possible to travel wirelessly. But i also read that modulation can help digital signal reach greater distances, but i didn't get it how. Can you explain to me how digital modulation helps digital signal reach greater distances? Do you know an... | Technology | explainlikeimfive | {
"a_id": [
"gcicv10"
],
"text": [
"Modulation is a very wide term for changing a signal. So it is very hard to process any signals without doing something which could be considered modulating it. In radio transmissions you need to change the frequency to a high frequency signal so that it will match the ... | [
"url"
] | [
"url"
] |
jvmta6 | What is ray tracing? | Technology | explainlikeimfive | {
"a_id": [
"gckxcvc"
],
"text": [
"> Like, when you create an object like a sphere in a modeling software, doesn't the computer already know what the object looks like from any angle. Yes, but no. If you make a sphere and put a texture on it, now you have a textured sphere. But how is it lit? How do ligh... | [
"url"
] | [
"url"
] | |
jvpdia | How does google maps or waze figure out what speed you are moving on ? | Technology | explainlikeimfive | {
"a_id": [
"gclcdxi",
"gcld04t"
],
"text": [
"The app monitors your position and based on how far you've traveled since it last checked it can determine speed",
"Smart phones have GPS receivers built in part of the function of a GPS receiver is to locate your position...it simple math to figure o... | [
"url"
] | [
"url"
] | |
jvq1nj | What does it mean when a phone is factory unlocked? | I've been asking Google for a while now but I am still confused between the difference of factory unlocked, OEM, and original. I'm planning to get my mom a Iphone and I don't want to get her a fake. | Technology | explainlikeimfive | {
"a_id": [
"gclg43e",
"gcljzil",
"gclhzvr"
],
"text": [
"It just means it's not locked to a specific phone provider and you can use it with any provider.",
"Probably safest to get it from the Apple Store (to make sure that it’s unlocked). If you get it from somewhere else you should expect it... | [
"url"
] | [
"url"
] |
jvqb1m | How do Youtube channels like MrSuicideSheep, ChilledCow, CafeMusic, etc. make money using other peoples music? | Technology | explainlikeimfive | {
"a_id": [
"gcljctd"
],
"text": [
"I'm unfamiliar with any of those channels, but I glanced at MrSuicideSheep and it looks like he's doing a few different things. Some have a commercial creative commons license that allows him to make money from them with attribution, which he seems to be doing. Some don... | [
"url"
] | [
"url"
] | |
jvrlsc | Why does x64 means 64 bits and x86 means 32 bits? Why not x32? | Technology | explainlikeimfive | {
"a_id": [
"gclo7we",
"gclpoct",
"gclrbcv",
"gclwpz5"
],
"text": [
"Because the architecture was made for the Intel 386 and 486 (collectively x86) processors in the late 1980s. The proper name for the 64bit architecture is x86-64 or AMD64 after the company who developed the extension to the o... | [
"url"
] | [
"url"
] | |
jvrrky | What’s the difference between file compression types (specifically zip and rar)? | Technology | explainlikeimfive | {
"a_id": [
"gclpwvn",
"gcltocm",
"gclq52o"
],
"text": [
"Generally speaking, ZIP is a more variable format. RAR is proprietary, i.e. it belongs to a specific company and it costs money to use it. It has a specific kind of compression algorithm. It naturally supports password protection. ZIP is an... | [
"url"
] | [
"url"
] | |
jvxu7x | What is the physical mechanism that translates between hardware and software? | Software is just memory, stored on a physical device. How does that hardware actually read or write, and how does that physicality manifest as software? | Technology | explainlikeimfive | {
"a_id": [
"gcmsk64"
],
"text": [
"That memory is addressible, the chip has address lines that tell it which location you want and data lines that the chip puts the data on. The processor has a register, called the Program Counter, where it stores the address of the next instruction in the program. What ... | [
"url"
] | [
"url"
] |
jvy5am | What are data silos and how do they work? | Just trying to get a basic understanding of it. | Technology | explainlikeimfive | {
"a_id": [
"gcmuwuq"
],
"text": [
"A data silo is basically a subdivision of the way parts of a company looks at information. Some departments don't care about certain information and don't need all the information, so each department can set up its own data silo and really organize the data they care ab... | [
"url"
] | [
"url"
] |
jvze2a | How does data take up physical space on a hard drive (or SSD)? Isn't it all just ones and zeros? | Technology | explainlikeimfive | {
"a_id": [
"gcn62mt",
"gcn2kyf"
],
"text": [
"Data doesn't take up physical space, but the more or less light switches that represent it do. One, or On, or True, or high voltage is one state. Zero, or Off, or False, or no voltage or negative voltage is the other state. If you wanted to represent 1 kb... | [
"url"
] | [
"url"
] | |
jw21bj | Why are ARM processors more power-efficient (performance/watt) than x86 processors? | I was looking at some performance metrics of Apple's new M1 processor, and it's interesting that performance per watt is really good as compared to Intel processors, and also AMD x86 processors. That kind of confuses me, because I know that there's the decoding stage where x86 instructions have to be turned into other ... | Technology | explainlikeimfive | {
"a_id": [
"gcnkalv"
],
"text": [
"The M1 core is much wider than their x86 compatriots. The M1 on a per core basis has 2.5x as many micro-ops in flight, has extra execution resources, and more memory bandwidth compared to a typical x86 system. The downside to this approach means extra transistors which ... | [
"url"
] | [
"url"
] |
jw4iaw | How does Docker and Kubernetes work? | Technology | explainlikeimfive | {
"a_id": [
"gco0pnm"
],
"text": [
"Think of docker as a \"virtual machine lite\". You can package your application and all of its supporting libraries and configuration files into a docker container and run it as a standalone package without having to worry about the system admins getting the right versi... | [
"url"
] | [
"url"
] | |
jw8w6q | When looking at a computer screen from an angle, why are the colors distorted? | Technology | explainlikeimfive | {
"a_id": [
"gcore1q"
],
"text": [
"This depends heavily on the display technology and the viewing angle it’s setup for. Usually you see this behavior in cheaper or older LCD screens specifically the TFT type. IPS displays like on macs or oled displays don’t really have this issue as they have a much wide... | [
"url"
] | [
"url"
] | |
jwbdyu | How do satellite dishes for tv (Direct TV for example) communicate with satellites when there so small and pointed at a small area in the sky? | Technology | explainlikeimfive | {
"a_id": [
"gcp5v7m",
"gcp6b52",
"gcpki24",
"gcpbf0z"
],
"text": [
"They don't communicate with the satellite, they just receive a broadcast. The satellite broadcasts over a large area and every satellite dish in that area can receive the broadcast.",
"Well that dish thing is what helps. ... | [
"url"
] | [
"url"
] | |
jwcm4l | How do computer frames work? | The frame gets the destination/source MAC address, the router uses the packet's IP address, but the router sends the frame? I don't get that. Does the router read the packet inside the frame? So it knows the IP address it's going to send the frame to? | Technology | explainlikeimfive | {
"a_id": [
"gcpd0or"
],
"text": [
"Yup. The mac address is mostly for the sender and receiver to identify each other, and is needed for doing things like NAT which is what allows 20 computers in a house to share one up address. But the ip address is what important for routing, so routers have to be able ... | [
"url"
] | [
"url"
] |
jwewpk | Why does Minecraft have to look like a game for the Commodore 64? | Technology | explainlikeimfive | {
"a_id": [
"gcpoaav",
"gcppnj6",
"gcpo6hq"
],
"text": [
"Answer: That's an aesthetic choice. It doesn't look the way it does because of technical limitations. There are many other successful modern games that went for that retro/pixelated look, and Minecraft isn't alone in that (Terraria, Enter T... | [
"url"
] | [
"url"
] | |
jwgqsa | Why would a computer monitor need an ethernet jack and output jacks? | In reviewing monitors, I came upon this Dell monitor, the Dell UltraSharp 27 USB-C Hub Monitor - U2721DE. With all of the other bells and whistles, it comes with an RJ45 ethernet jack and what appears to be not only a Display Port (IN) but also a Display Port (out). So for the life of me, I cannot figure out why either... | Technology | explainlikeimfive | {
"a_id": [
"gcpzard",
"gcpza9r",
"gcpzmue",
"gcq1mem"
],
"text": [
"You can connect your laptop to it via USB-C and get wired ethernet through it instead of always using wifi. Same with your mouse and keyboard. It's like a docking station.",
"This monitor isn’t intended to be a peripheral... | [
"url"
] | [
"url"
] |
jwh6j9 | What's the logic behind compressed files like .zip and .rar? | Technology | explainlikeimfive | {
"a_id": [
"gcq1w04",
"gcq2ans"
],
"text": [
"The logic is pretty simple, instead of representing the data in raw form you find patterns in the data and use those. Example: aaaaaaaaaa can be represented as 10a because there are 10 a’s, it takes up way less space and can be decompressed to the origina... | [
"url"
] | [
"url"
] | |
jwivdr | Why does turning a computer (or things like it) off usually solve the problem? | Technology | explainlikeimfive | {
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"gcqe0v3",
"gcqv3ut",
"gcr0wu0",
"gcqwaz6",
"gcqwuox",
"gcqf54c",
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"text": [
"You ever play the game 'telephone' as a kid? Where a bunch of kids would get in a line and whisper a message to the next kid in line, and by the end what the last ki... | [
"url"
] | [
"url"
] | |
jwkb49 | What is machine learning? | Technology | explainlikeimfive | {
"a_id": [
"gcqmnc3",
"gcqnt2c"
],
"text": [
"A machine that attempts to solve a problem and not only learns better how to solve the task, but also what ways to go about learning the task.",
"In Traditional Computing, you have data, and you run them through rules, and you get an answer. Imagine a... | [
"url"
] | [
"url"
] | |
jwn1im | How does 2FA remain secure when most people have saved passwords or credentials/"remember me" on one single device, usually their smartphone; potentially a single point of failure? For that matter, why only 2FA and not 3 or 5FA? | For clarification, some banking apps simply require a seperate password in a seperate app to be entered, emulating the same concept that Google Authenticator employs. How is this more secure than say, having a secondary password field in the main app? | Technology | explainlikeimfive | {
"a_id": [
"gcr3x71",
"gcr4krj",
"gcr4r7j"
],
"text": [
"With 2FA you have to have access to both authenticating devices. Putting both on one page defeats the purpose. The idea is that the chances are much less that a \"bad guy\" will have access to both the site and your phone (assuming of cours... | [
"url"
] | [
"url"
] |
jwo9zg | How do some libraries run out of eBook? | Technology | explainlikeimfive | {
"a_id": [
"gcrb06p"
],
"text": [
"The company that sells the eBooks to the library doesn't want there to be an infinite number of people reading their eBook at once, so they are artificially limiting the number of people who can \"check out\" an eBook at the same time."
],
"score": [
8
],
"t... | [
"url"
] | [
"url"
] | |
jwpvzi | - Why has website design moved from clear tidy spaced pages to massive buttons that require excessive scrolling on almost all devices? (Most notably online banking and govt websites) | Technology | explainlikeimfive | {
"a_id": [
"gcrmlrs",
"gcro1n7",
"gcs4vxz",
"gcrzszo",
"gcs3qji"
],
"text": [
"Can't say I've noticed this with my bank. I'd guess it's around accessibility. You need to provide a service that works for the elderly, people with issues with sight such as colour blindness etc. So to provide... | [
"url"
] | [
"url"
] | |
jwr1ow | Why are digital videodisc formats strictly locked to one resolution and framerate? Assuming it's otherwise encoded to specification, why can't we have 1080p DVD-Video or 480p BDMV? | This might be more of an ELI12 because I already have a pretty good functional understanding of video codecs and the restrictions of physical digital media (so I understand why you can't encode a DVD in something other than MPEG-2, and that you can't fit a 1080p feature film encoded in MPEG-2 on a DVD, for example). Bu... | Technology | explainlikeimfive | {
"a_id": [
"gcrzm8x"
],
"text": [
"Resolution? Because you needed to output something a CRT TV of the time could display and DVD was basically at the maximum resolution already. Most TVs expected lines to match their country's TV specs. In the case of the NTSC aligned regions it was 480 lines visible out... | [
"url"
] | [
"url"
] |
jwrf8j | Why does RAM memory disappear when power switches off, but HD/SSD memory stays intact regardless of power status? | Technology | explainlikeimfive | {
"a_id": [
"gcrxxdt"
],
"text": [
"Because of its design. RAM stores bits in a bunch of capacitors. These are devices that store electricity in them, but can't do so for very long, they need to be periodically refilled and there is circuity to refill them, and that requires electricity. If no power is pr... | [
"url"
] | [
"url"
] | |
jwufyv | How do humidifiers work? | Technology | explainlikeimfive | {
"a_id": [
"gcsj6nm"
],
"text": [
"Most of the cheap ones are just an ultrasonic speaker that causes waves and splashing. It's powerful and fast enough that it makes a fine mist. This mist quickly evaporates into the air to increase the humidity. Some use heat and just heat and boil the water to make ste... | [
"url"
] | [
"url"
] | |
jwxpcm | How can people find a location just from the contents of a photo? | Technology | explainlikeimfive | {
"a_id": [
"gct75rx"
],
"text": [
"4chan used a lot of techniques to find Shia's flag. More about it [here]( URL_0 ) They used star constellations as well as weather and flight data to get a rough estimate of where the camera was. Then some people went out with their cars to honk at precises times, allow... | [
"url"
] | [
"url"
] | |
jx07wo | What is the reason behind green screens being "green"? Can they be other colours as well? | Technology | explainlikeimfive | {
"a_id": [
"gcter0h"
],
"text": [
"Yes, blue screens were used before digital film making became mainstream, technically any color would work too, but it’s better to use primary colors (red green and blue) because it’s easier to have to only look at one color channel, and red doesn’t work because our ski... | [
"url"
] | [
"url"
] | |
jx7roo | How can a computer build up from the basic logic gates to complex programs and games? What is the connection between each layer? | Technology | explainlikeimfive | {
"a_id": [
"gcupsiv",
"gcuqu73"
],
"text": [
"The philosophy is to gradually create more and more complex programs from simpler ones. We start with logic gates (although they aren't the first layer), using them you can compute simple mathematical operations like addition or multiplication. From now o... | [
"url"
] | [
"url"
] | |
jxciqu | How did the typing keyboard layout come about? | Technology | explainlikeimfive | {
"a_id": [
"gcvm0jn",
"gcvmepl",
"gcvmbo2"
],
"text": [
"Due to the physical limitations of a mechanical type writer. For fast typers, the physical arms that would extend outward to type a letter would get intertwined with another arm if those two letters were both very close together as well as ... | [
"url"
] | [
"url"
] | |
jxkk65 | Why do we have to pay companies for data? Isn't there an unlimited amount of "data" out there to use? Can it run out? | Edit: Thanks for the answers everyone. Seems its mostly just greed that answers the question. But there are also good points towards it. :) Stay safe and healthy. | Technology | explainlikeimfive | {
"a_id": [
"gcx61a9",
"gcxfbfs",
"gcx7s31",
"gcxl4i8"
],
"text": [
"Maintenance on the infrastructure used to deliver data costs something. Constructing new wires and cell towers costs something. It's not entirely unlike paying your water bill. We're reusing the actual water and it won't run ... | [
"url"
] | [
"url"
] |
jxnr2s | why will a USB to aux converter make the audio sound bad but a similar priced USB-C to aux or even lightning to aux sound like its coming straight from the aux port | Technology | explainlikeimfive | {
"a_id": [
"gcxmq5t",
"gcxz77d"
],
"text": [
"Because your USB to aux converter is bad? I dunno. There are many that do just fine. There's many USB DACs that will improve your output.",
"Because your USB-A to aux converter is probably cheaper and/or older than the other 2. Nothing inherent to the... | [
"url"
] | [
"url"
] | |
jxnt5q | Why are bullet sizes usually in decimal and not just a whole number? | For example, why 5.56mm and not just 6mm? Why 7.62mm instead of just 8? | Technology | explainlikeimfive | {
"a_id": [
"gcy3vqw",
"gcxq50k",
"gcxvs0q",
"gcxntca",
"gcy848g",
"gcxnzgb",
"gcy6exm",
"gcxtgb8",
"gcy5efz",
"gcy8o2w"
],
"text": [
"Because bullets are designed with very specific performance parameters in mind. In the case of the 5.56 NATO they were: * .22 Caliber *... | [
"url"
] | [
"url"
] |
jxob5s | What is the difference between automatic and autonomous driving? | I know that automatic driving is often linked to beacon signals etc. But e.g. the drawn lines along a street where an autonomous care drives, are visual beacons, too. So why do we make a difference between automatic and autonomous driving? Or what defines that difference? | Technology | explainlikeimfive | {
"a_id": [
"gcxpc5o"
],
"text": [
"There is no super strict definition and anyone can use any word they want but generally automatic driving is more general a car in the 1950s that was following a buried wire would be an automatic car, an autonomous car is generally using machine vision and AI to drive o... | [
"url"
] | [
"url"
] |
jxpugy | Why do SSDs have limited amount of rewrites? | Why do SSDs have a limit rewrites whereas from what I recall, HDs didn't have this concern? (though they broke often haha) SSD's have no moving parts, so I'm curious, is it just the current that damages it over time? What happens exactly? | Technology | explainlikeimfive | {
"a_id": [
"gcxyly2",
"gcy6bkx",
"gcy01hr",
"gcxz85e",
"gcyhyvj"
],
"text": [
"HDDs work by rearranging some particles using a magnet. You can do that more or less infinite times (at least reasonably more than what it takes for the mechanical parts to wear down to nothing). SSDs work by f... | [
"url"
] | [
"url"
] |
jxt90g | What is 'vote fuzzing' and how does it apparently help 'stop spam?' | What is 'vote fuzzing,' and how does it ['stop spam?']( URL_0 ) And while we're at it, why is it that scores on old or archived posts change rapidly when I refresh the page? | Technology | explainlikeimfive | {
"a_id": [
"gcyl4av",
"gcylcz5"
],
"text": [
"The first instinct with spam bots is to ban them. But if you ban them, they'll just come back on a different account. So instead you \"shadow\" ban them. They can log in and comment and vote, but no one ever sees it. They *think* they are posting/making c... | [
"url"
] | [
"url"
] |
jxtp9h | How can 1tb of data fit on physically same sized micro sd 16g card? | Technology | explainlikeimfive | {
"a_id": [
"gcynl0j"
],
"text": [
"SD is just a packaging/socket standard, like USB or M.2. The manufacturer can put whatever size IC inside the package that they want (within the constraints of the size of the package itself and manufacturing technology, obviously). I'm not familiar with the process but... | [
"url"
] | [
"url"
] | |
jxvc5r | How do TVs work? | Technology | explainlikeimfive | {
"a_id": [
"gcz089z"
],
"text": [
"Television is really a three-part invention: the TV camera that turns a picture and sound into a signal; the TV transmitter that sends the signal through the air; and the TV receiver (the TV set in your home) that captures the signal and turns it back into picture and s... | [
"url"
] | [
"url"
] | |
jxxnz9 | Why does turning off Hardware Acceleration allow me to stream Netflix, Hulu, etc over Discord and Zoom? | I can't figure it out for the life of me. I just know that it works. | Technology | explainlikeimfive | {
"a_id": [
"gczpr5n"
],
"text": [
"When you're doing hardware acceleration, you're doing things like passing the video stream directly to the video card and the video card has specialized hardware that can decode and decompress the video and write it directly to the screen. There's nowhere for discord or... | [
"url"
] | [
"url"
] |
jy0lmn | How do bots work? Specifically the ones scalpers use to purchase new products like the PS5. | How do they get past CAPTCHAs and websites going down when a new product goes up? | Technology | explainlikeimfive | {
"a_id": [
"gczwawf",
"gczwt6z",
"gczvruv"
],
"text": [
"Just a web script. There's a bunch of ways to make them. Bash and curl if that's your thing. Or [start here for doing it in Python]( URL_0 ). > How do they get past CAPTCHAs That's a cat and mouse game that's constantly evolving. At worst t... | [
"url"
] | [
"url"
] |
jy331c | What determines if we get 4G cellular or LTE cellular on our phones? | Technology | explainlikeimfive | {
"a_id": [
"gd0dz54"
],
"text": [
"The hardware & software in your phone determines what it's capable of. The closest cell tower negotiates with your phone to use the best features they both support. This varies between towers, carriers, phones, service plans, network load and weather. LongTermEvolution ... | [
"url"
] | [
"url"
] | |
jy493q | Why is the web CAPTCHA necessary? | What would happen if they all disappeared? | Technology | explainlikeimfive | {
"a_id": [
"gd0jmui",
"gd0jzel"
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"text": [
"To prevent web bots. It’s harder to code something to click submit web forms with a captcha.",
"Correct me in I’m wrong, but the web CAPTCHA is to prevent bots from flooding websites. For example if there is no captcha when signing in to your Facebook... | [
"url"
] | [
"url"
] |
jy7sic | How do they put coke and other fizzy drinks into cans and bottles without them bubbling up and losing their fizziness? | Technology | explainlikeimfive | {
"a_id": [
"gd17t23",
"gd1byff"
],
"text": [
"Pressurized carbon dioxide (CO2) mixes very well with water. It mixes most efficiently with cold, but not freezing, water. They add highly pressurized CO2 to water to make soda water, this is usually done in large vats of cold water and they pipe in CO2 t... | [
"url"
] | [
"url"
] | |
jycpa3 | Why there's almost no UPC on li-ion? | We had electronics and power tools on li-ion power widely available for two decades now, yet UPS remain on lead acid in 2020? Why? | Technology | explainlikeimfive | {
"a_id": [
"gd2hk9o",
"gd2i372"
],
"text": [
"You can totally get UPS systems based on Li-Ion if you so choose, but the main reason most remain on lead-acid is because of cost--that many lead-acid batteries are cheaper than the equivalent Li-Ions, and the circuitry to handle charging them is consider... | [
"url"
] | [
"url"
] |
jygrze | how do you use a bidet? I've never seen one in real life, tho I get the concept. | Technology | explainlikeimfive | {
"a_id": [
"gd3kr35",
"gd3hvvn",
"gd3igyv",
"gd3pjp2",
"gd3j1yr",
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"text": [
"A high quality one (think Toto brand) will have a pressure-activated switch under the seat that sprays the bowl with a mist to keep it clean before use, and then variable streams with variable wa... | [
"url"
] | [
"url"
] | |
jyldj9 | How do calculators know the answers? | How does a calculator get programmed or how does it always know the right answer? I’m assuming elves but I could be wrong. | Technology | explainlikeimfive | {
"a_id": [
"gd4sk1y",
"gd4txub"
],
"text": [
"They're built up from a bunch of simple components called logic gates, which are these sort of conditional light-switch circuits which can output either a high or a low voltage, depending on whether their inputs are receiving a high or low voltage. There ... | [
"url"
] | [
"url"
] |
jylfr2 | Sound in shows and movies, that goes from soft to loud and you have to keep changing the volume | Technology | explainlikeimfive | {
"a_id": [
"gd54uq6",
"gd4uxkw",
"gd4yobg"
],
"text": [
"Audio for shows and movies isn't generally mixed for TV speakers. Movies especially. They're mixed initially for surround sound where dialog and main sounds get sent to a center channel, and effects and other noises come from other speakers... | [
"url"
] | [
"url"
] | |
jym7v7 | Why are domestic dishwashers so slow? | Technology | explainlikeimfive | {
"a_id": [
"gd4ynu6",
"gd58ieu",
"gd7ku7b"
],
"text": [
"Commercial dishwashers typically reach much higher temperatures than their residential equivalent, use a lot more water, and are a lot louder. All of those are acceptable tradeoffs when running a business, but you likely wouldn't want one i... | [
"url"
] | [
"url"
] | |
jyns4l | Where does the GPU come into bitcoin mining? | So to my understanding, its basically more or less a lottery that requires electricity? I still don't really understand how exactly it works but I'm more curious as to why it requires a strong GPU or in some cases multiple GPUs? How do the different high end GPUs contribute to bitcoin mining compared to lets say a low ... | Technology | explainlikeimfive | {
"a_id": [
"gd5ofn6",
"gd65e0l"
],
"text": [
"So, ignoring the question of \"what is a bitcoin?\" for now, the general idea is that \"discovering\" or \"mining\" a bitcoin is a very mathematically intense process. It involves trillions of calculations. And it just so happens that the *type* of calcul... | [
"url"
] | [
"url"
] |
jyo14u | why phones die quicker in cold weather. | I left the house this morning (6am) with 100% battery life. I was outside all morning and used my phone very little but by 10am my battery life was at 37%. Why does my phone die so quickly when it's cold? (It was 28°F this morning) | Technology | explainlikeimfive | {
"a_id": [
"gd5ftnq",
"gd5iamj"
],
"text": [
"The short answer is that batteries rely on chemical reactions to work, and freezing temperatures slow or stop those reactions. ... In fact, cold temperatures prevent the kind of slow discharge battery ions do under room temperatures, as the engineering we... | [
"url"
] | [
"url"
] |
jyp4gk | Why does every type of next gen console or graphics card sell out instantly upon release? | I see people every day posting about their graphics card that is like a lottery ticket to acquire one. Same with day one releases of next gen gaming consoles Could they produce enough of the product to meet demand prior to releasing it? That’s seems like poor business practice to me | Technology | explainlikeimfive | {
"a_id": [
"gd5oit2",
"gd5phn2",
"gd5xjda"
],
"text": [
"The companies know how to make the most profit. Storing unsold product in a warehouse until you have enough supply for every single customer would both cost money and potentially lose sales to a competitor releasing their product before you... | [
"url"
] | [
"url"
] |
jyph3g | What is it that makes Toyotas so reliable even after many years of use? | Large amounts of spare parts made? Manufacturing process? Design differences? | Technology | explainlikeimfive | {
"a_id": [
"gd5t986",
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"text": [
"... | [
"url"
] | [
"url"
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jyt7wm | . If someone needs to take an MRI scan but has metal implants in them, how do they go about doing the scan? | Technology | explainlikeimfive | {
"a_id": [
"gd734sj",
"gd77opl",
"gd72t9g",
"gd7k25c",
"gd77rt7",
"gd7p368"
],
"text": [
"Most implants are titanium or ceramic nowadays. Medical equipment manufacturers have been intentionally marketing implants as “MRI safe”, because of how important MRIs are to modern medicine. Old... | [
"url"
] | [
"url"
] | |
jyuv5z | Why can't photos that are smaller than 1 KB be uploaded to FB? | Technology | explainlikeimfive | {
"a_id": [
"gd7mvpm"
],
"text": [
"From a CS point of view, could be for a number of reasons. 1: Waste of bandwidth ( Like opening up a connection socket for something so small could be seen as wasteful, regardless of size, basic networking requires connection sockets to be initialized before uploading /... | [
"url"
] | [
"url"
] | |
jz3q42 | Who creates or improves technologies like Bluetooth, Wi-Fi, Ethernet, USB, HDMI, 4G, 5G, etc. that are used in many electronic devices? | Is there an organization responsible for creating these new technologies? | Technology | explainlikeimfive | {
"a_id": [
"gd9ngi9",
"gd9jiov",
"gdak94o"
],
"text": [
"In order for communication technologies such as Bluetooth, Wi-Fi, and USB to work correctly between devices, the manufacturers must make sure that their products behave in a consistent way. Otherwise, anything else that tries to connect to ... | [
"url"
] | [
"url"
] |
jz52v7 | if every bit of steel produced since 1945 contains radioactive isotopes, is that eventually going to bite us in the ass? Are there long term consequences of not being able to use modern steel for certain products? | Technology | explainlikeimfive | {
"a_id": [
"gd9smgk",
"gd9s69r",
"gd9wqy8"
],
"text": [
"1) Steel is 100% recyclable. We can reuse old steel from before 1945 again and again forever. 2) The producers of products that require low background steel are not massive consumers of steel, so our current supplies of low background steel... | [
"url"
] | [
"url"
] | |
jzfb38 | Difference Machine Learning/ Deep Learning | I'm a teacher and I'm trying to explain the difference between Machine Learning and Deep Learning. Can someone help me? | Technology | explainlikeimfive | {
"a_id": [
"gdbtp22",
"gdc9ba7"
],
"text": [
"Deep learning is a specific part of machine learning which uses multiple layers as part of a neural network. Machine learning in general doesn't need to use many layers or follow a neural network architecture at all.",
"Machine learning is the part of... | [
"url"
] | [
"url"
] |
jzg39c | Why do video games today have very realistic looking cities and objects but relatively unrealistic looking characters? | Technology | explainlikeimfive | {
"a_id": [
"gdbnmqb",
"gdbmxba",
"gdbvv49",
"gdcos1m",
"gdbqrjo"
],
"text": [
"Mostly because humans are really good at detecting imperfections in humans. Likely the humans in video games have much more detail and work put to them, but the bar for a \"realistic looking human\" is much hig... | [
"url"
] | [
"url"
] | |
jzh3a3 | If nuclear power plants put out so much energy compared to the traditional power plants why arent they used everywhere? | Technology | explainlikeimfive | {
"a_id": [
"gdbs2m9",
"gdc0ob6",
"gdbv3dy",
"gdchr7k",
"gdbs6fn",
"gdc1axq"
],
"text": [
"Aggressive campaigning and “donations” made by oil and gas industry to make people think that nuclear power plants are unsafe. Chernobyl didn’t help the public perception of this.",
"1) Like ... | [
"url"
] | [
"url"
] | |
jzjs8l | How in the world does zipping a file work? How can a much smaller file still contain all the same information as multiple, larger files? | Technology | explainlikeimfive | {
"a_id": [
"gdc76zq",
"gdclmbb",
"gde50rb",
"gdclxiq",
"gdc9jse",
"gdc7tap"
],
"text": [
"Large file: AAAAAAAAAAAAAAAAAAAABBBBBCCCCCCCCCC AAAAAAAAAAAAAAABBBBBBBBBBCCCCCCCCCC Small file: 20A5B10C 15A10B10C If the program (Winzip or 7zip) can interpret the small file’s “code”, it can re... | [
"url"
] | [
"url"
] | |
jzn1pu | Why do megaphones have such poor audio quality when we have microphones and speakers of a much higher quality? | Technology | explainlikeimfive | {
"a_id": [
"gdcrd17"
],
"text": [
"The amps in a megaphone have a much better frequency response to higher frequencies. In fact, typically anything below 90Hz gets cut off completely. Why? Most of the \"information\" in human speech (100-120 hz) is in higher frequencies. i.e. if you cut out anything over... | [
"url"
] | [
"url"
] | |
jzqsrm | Why do computer screens use RGB instead of RYB (primary colours)? | Technology | explainlikeimfive | {
"a_id": [
"gdde8ex",
"gddfpt2"
],
"text": [
"Additive light (emitted light) works differently to subtractive light. Subtractive light absorbs light in all the colours but the one you see. A tomato absorbs all but the red wavelengths, which it reflects. The more colours you mix with subtractive light... | [
"url"
] | [
"url"
] | |
jzrqhb | Why do electronics have first party and third party accessories but not second party accessories? | Technology | explainlikeimfive | {
"a_id": [
"gddjvwh",
"gddjqx9",
"gddkb5u"
],
"text": [
"Second party would mean the customer’s own accessories. In a transaction there’s the first party (seller/producer of the item), second party (purchaser/receiver of the item) and a third party is the different company that makes accessories.... | [
"url"
] | [
"url"
] | |
jzs6x4 | Why do we use radiation to sterilize our medical equipment? | Technology | explainlikeimfive | {
"a_id": [
"gddn0xp"
],
"text": [
"High energy light is relatively easy to produce and very effectively kills living things. It carries no risk of secondary exposure because it leaves no byproducts behind. Really the only disadvantage of it as a sterilization method is that some products are, themselves,... | [
"url"
] | [
"url"
] | |
jzup67 | How does a 1920x1080 resolution screen display media in lower resolutions, such as 1600x900, when the ratio between resolutions isn't a whole number? | For example if a 1920x1080 screen is displaying a 1600x900 image, the ratio between resolutions is 6/5, meaning that every 6 pixels which physically exist in the screen are supposed to display 5 pixels which are in the image. How does the computer handle this? This is all in a fullscreen context of course. | Technology | explainlikeimfive | {
"a_id": [
"gde3qfg",
"gde3u0i"
],
"text": [
"It interpolates the difference. There are many, many techniques to do this - some are super dumb like just removing every X pixel. Others are very sophisticated and involve looking for patterns or maintaining certain colours where they produce a high leve... | [
"url"
] | [
"url"
] |
jzuxwl | Why do sports like boxing still rely on the referee for counting a knockdown/starting the count when there are much better and more accurate technologies that are available to us now? | Technology | explainlikeimfive | {
"a_id": [
"gde4six"
],
"text": [
"Boxing has a designated timekeeper for keeping track of the seconds once the boxer hits the ground. The ref doesn't just eyeball it."
],
"score": [
3
],
"text_urls": [
[]
]
} | [
"url"
] | [
"url"
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jzuyyr | What's the logic in sending signals to outer space | If a society was so advanced as to be able to receive signals and had faster than light travel, what's the logic in contacting them? Was there ever a determination made that they're more likely to be peaceful than violent? | Technology | explainlikeimfive | {
"a_id": [
"gde51ji",
"gde5c80"
],
"text": [
"1. There's no guarantee, or even any indication that they would have FTL travel at all, indeed, all signs point to that being an immutable physical law, despite science fiction's claims to the contrary. 2. We are sending signals out anyway, even if we did... | [
"url"
] | [
"url"
] |
k02g3y | How does a GPU converts data to a picture/ graphic on the screen? | Technology | explainlikeimfive | {
"a_id": [
"gdff351",
"gdg587h"
],
"text": [
"Picture on screen is also data, just several numbers for each pixel on the screen specifying which color it should be. GPU just builds that array by doing some math to determine which parts of 3D models you should see, and how their color is changed by li... | [
"url"
] | [
"url"
] | |
k06rgy | Explain bandwidth and data consumption to me please. Why do phone and internet companies charge so much extra when we’re not actually consuming anything? Is there a finite amount of data out there? Is it just a huge scam? | I’ve always wondered about this. It’s not as if there’s a silo out there somewhere that has all my potential data sitting in it. So why do they set limits on how much data we’re able to consume each month? As a dumb person, it seems like it’s simply an exchange of information. Nothing is being consumed. So why do they ... | Technology | explainlikeimfive | {
"a_id": [
"gdgalm1"
],
"text": [
"There is a limited frequency range that cellphones can use. When you broadcast stuff it is a shared media so in a single area, a single cell tower can use a single freq range. A cell tower will have a limited amount of data is can transmit each second that is shared by ... | [
"url"
] | [
"url"
] |
k07vb2 | Why does warm air blow down on you when you exit some buildings through automatic doors in the winter? | Technology | explainlikeimfive | {
"a_id": [
"gdgesmy",
"gdgn2dc"
],
"text": [
"They are air curtains. The concept is that they are using airflow to prevent the warm inside air from escaping out and the cold outside air from coming inn. And just in case some outside air does get inn they make sure the air that forms the inside part o... | [
"url"
] | [
"url"
] | |
k0c6kw | How do research labs achieve temperatures near absolute zero? | Technology | explainlikeimfive | {
"a_id": [
"gdhniur"
],
"text": [
"To ELI5-ify u/Fenriradra s answer a bit: Ever pumped up a bicycle tire and emptied out a spray can? And feel them get hot / cold respectively? You basically do that. A lot. And then some more stuff that is essentially magic. So you take a gas, like nitrogen or helium, c... | [
"url"
] | [
"url"
] | |
k0czkg | Why can my iPhone recognize my face to unlock when I’m wearing big sunglasses, but not when I’m wearing a mask (like a cloth mask , not a Halloween one)? | Technology | explainlikeimfive | {
"a_id": [
"gdhb72v",
"gdhbm3i"
],
"text": [
"Because it scans your facial *features* not your eyes. It mostly looks at the shape of your face. The mask obscures that, sunglasses obscure the top half, which it doesn't focus as much on.",
"Space and size/proportions of your face, dimensions in bet... | [
"url"
] | [
"url"
] | |
k0e9ia | How do radio stations or local cable channels come up with names like WBZ, WGBH, or KTZ? | I never understood how they got their names | Technology | explainlikeimfive | {
"a_id": [
"gdhjhri",
"gdhrhmc",
"gdhjpke"
],
"text": [
"The identifiers are assigned by the FCC when you are granted your license to broadcast. You can request any 3 letter call sign that is available, but if it is taken you get what you get. The K vs W distinction tells whether you are west (K)... | [
"url"
] | [
"url"
] |
k0eeev | How do custom email domains work? | So from what I understand (and my understanding might be mistaken), when I want to get a custom email domain, I can choose literally anything I like. This doesn't really make sense to me because when I want to use a normal web domain (for a website), it needs to be one I own. To give you an example of what I mean, Goog... | Technology | explainlikeimfive | {
"a_id": [
"gdhklw4",
"gdhkckm"
],
"text": [
"You need to own the domain\\*. A domain is not protocol specific, it's what's used to route all TCP/IP requests to that domain. The DNS isn't just used for web. \\* - If you have an agreement with the actual domain owner to forward your email elsewhere th... | [
"url"
] | [
"url"
] |
k0ikqe | Why does your Wifi/Internet stop working if you change your date and time too far? | It took me two hours to realize why i couldnt watch Youtube. It was because i changed my clock on my phone at least 5 years ahead to cheat my way into a game I was playing. Why does it do that? | Technology | explainlikeimfive | {
"a_id": [
"gdicky3",
"gdicrc5"
],
"text": [
"Most of the traffic on the internet these days is encrypted and encrypted traffic has certificates that expire. Youtube's current certificate for example doesn't expire until 1/26/21 but if your phone's clock is set to way after that and Youtube hands tha... | [
"url"
] | [
"url"
] |
k0isjq | When old movies say "Filmed in Technicolor", what exactly does that mean? | Technology | explainlikeimfive | {
"a_id": [
"gdihnwb",
"gdigmgd"
],
"text": [
"It was one camera that had several mirrors in it. Those mirrors reflected the image in front of the camera down 3 different channels. Each of those channels had a filter on it that only allowed one color of light through: red, green, and blue. After passi... | [
"url"
] | [
"url"
] | |
k0lk5z | How did Turing break enigma? | Technology | explainlikeimfive | {
"a_id": [
"gdiwrh6",
"gdiyd2c"
],
"text": [
"The structure and function of the Enigma cipher was mostly worked out by other intelligence operations exploiting operational errors and misuses by improperly trained German troops. When someone screwed up and transmitted the same thing twice but with dif... | [
"url"
] | [
"url"
] | |
k0lrtp | Why do regular batteries last for so long whereas rechargeable ones have to be recharged so frequently? | Technology | explainlikeimfive | {
"a_id": [
"gdj1800",
"gdjdxg5",
"gdjfmgi",
"gdjf5np",
"gdjr9yx",
"gdjhh1v"
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"text": [
"Some hold less energy but also the chemicals in rechargables produce a lower voltage (1.2v instead of 1.5v) lots of devices will detect rechargables as less than full battery even when fully char... | [
"url"
] | [
"url"
] | |
k0n492 | why should internet's upload and download speed be different? Isn't it the same connection? | Technology | explainlikeimfive | {
"a_id": [
"gdjd7yn",
"gdj76cv",
"gdj7jk0"
],
"text": [
"You got a road. There is enough room for a total of 4 lanes. You know that there is WAY more traffic going north than going south. So as a smart road designer, you decide to put 3 lanes going north and 1 lane going south. That way you keep ... | [
"url"
] | [
"url"
] | |
k0nppq | How do some stereo sounds sound like they are coming from both sides rather than the middle? | Example: when listening to music on headphones, the vocal is usually in the center, inside your head, whereas instruments sound like they're outside your head on both sides, even though the volume is the same in both channels. | Technology | explainlikeimfive | {
"a_id": [
"gdjbzvz"
],
"text": [
"So the way our brains interpret the direction a sound is coming from is to listen for differences in the sounds reaching each ear. So when stereo speakers (placed at an equal distance) are playing the EXACT same sound, our brain interprets that as coming from directly i... | [
"url"
] | [
"url"
] |
k0oca5 | why does resetting a computer fix most problems | Technology | explainlikeimfive | {
"a_id": [
"gdjemso",
"gdjc63f"
],
"text": [
"You've probably heard that computer programs are just sequences of instructions that you can string together to accomplish some higher-level task. That's technically true, but it might give the impression that what software engineers do is try to just thi... | [
"url"
] | [
"url"
] | |
k0opk3 | I saw a demonstration of an RF detector being brought close to a mobile phone. As the detector was moved away, the number on it dropped to zero. How can that be? Shouldn't there be some RF signal from the phone all the way to the cell tower, so that the phone can communicate with the tower? | Technology | explainlikeimfive | {
"a_id": [
"gdjesg5",
"gdjf6he",
"gdjf0qz"
],
"text": [
"A mobile phone doesn't constantly transmit at the highest power available. It is mostly inert to save battery life and is only listening to transmission from the tower (which the detector would count as part of the \"ambient\" RF field and ... | [
"url"
] | [
"url"
] | |
k0u31n | Why does Wifi go down at midnight every day? | Technology | explainlikeimfive | {
"a_id": [
"gdk6ywz"
],
"text": [
"Depending on your internet service providers infrastructure their systems might require a restart every day so they have it scheduled. You should reach out to them about it to figure out if that is the reason for it or if their is something else going on. I will say if ... | [
"url"
] | [
"url"
] | |
k10el4 | Why do rechargeable batteries only have 1.2 volts vs disposable batteries have 1.5 volts | Technology | explainlikeimfive | {
"a_id": [
"gdli2sp"
],
"text": [
"The electric potential depends on the specific chemical reactions in the battery cell, which are different for the different materials in different types of batteries. For example, due to the chemistry of a lead-acid car battery, each internal cell has a nominal voltage... | [
"url"
] | [
"url"
] | |
k1113h | Why are there suddenly so many arm processors coming out? | What has changed so that chip makers have moved from x86 to arm? | Technology | explainlikeimfive | {
"a_id": [
"gdle9g8"
],
"text": [
"There have been a steady increase in ARM chips around since about 2013. ARM chips are better then x86 chips in power consumption and production price but they have also been improving a lot in performance. The high end ARM designs are now much faster and more capable th... | [
"url"
] | [
"url"
] |
k17kyh | Loading Screens in video games | Ok, so I get the game has to load and render right. But like once it’s done it’s done right? Why is there loading screens after every death just to put me back in a spot I was JUST at? | Technology | explainlikeimfive | {
"a_id": [
"gdmh7bx",
"gdmk6s8"
],
"text": [
"The game needs to reset all the assets (i.e. the enemies, the environment etc.) to the state they were at the last checkpoint.",
"It also depends on how the game is coded. A particularly clever dev can keep the relevant information in memory and quick... | [
"url"
] | [
"url"
] |
k1a0je | how do astronauts in ISS post on social media? | I just saw an [article]( URL_0 ) about Victor Glover's first video from space. But some Facebook troll want to ruin the experience by saying "Geez he must have a good telecommunication deal to get service up there! I can't get it in my bathroom!" I know that somehow they "beam" signals to NASA receivers, and those are ... | Technology | explainlikeimfive | {
"a_id": [
"gdmxo16",
"gdmy6hz"
],
"text": [
"They are connected to the internet through a network of satellites. The satellites connect the ISS to a computer in Houston, from which they can connect to the internet.",
"There's a network of satellites in geosynchronous orbit as well as ground base... | [
"url"
] | [
"url"
] |
k1e25z | If programs/app are made from codes, then if the codes are still there or still the same; why would programs/app get lagging and crashed sometimes? | Technology | explainlikeimfive | {
"a_id": [
"gdnmzj1",
"gdnkvkk",
"gdnl2ev"
],
"text": [
"Writing code is like building a maze for water to flow through. The maze will have little gates that will redirect the flow of water depending on the circumstance. When the maze is operating under normal circumstances, the water will go whe... | [
"url"
] | [
"url"
] | |
k1hnf2 | Why are fight scenes and music so loud compared to dialogue? | Technology | explainlikeimfive | {
"a_id": [
"gdobp66",
"gdoc8zb",
"gdofuqt",
"gdoc0zz",
"gdoh58q",
"gdojcfx",
"gdoil2y",
"gdol5tk",
"gdohux9"
],
"text": [
"They are mixed for movie theaters and then not modified for the sound setups most people have at home. I don't get it either but it IS incredibly frus... | [
"url"
] | [
"url"
] | |
k1i7vq | Why can't the telescope act as a microscope and vise versa? | Technology | explainlikeimfive | {
"a_id": [
"gdobz7f"
],
"text": [
"The lenses are not set up right. One has lenses to focus on something really close one very far away. The lens arrangement, size shape and position inside of an optic decides how it works."
],
"score": [
4
],
"text_urls": [
[]
]
} | [
"url"
] | [
"url"
] | |
k1kxrx | How does the Apple Watch Series 6 measure blood oxygen levels? | Technology | explainlikeimfive | {
"a_id": [
"gdow6la"
],
"text": [
"Dumbed down? It use special light... cover a bright torch with your fingers at night and you can see red light shining through... as your blood pulses it changes how much light gets through... the amount of light is also changed by blood oxygen levels. At least that's h... | [
"url"
] | [
"url"
] | |
k1m00r | Why were there different melee weapons? | Like, the whole motivation must always have been; "kill the other guy", and there must always have been a best tool for the job right? So why am I aware of longswords, broadswords, bastard swords, katanas, spears, tridents, halberds, pikes, war axes, long axes, glaives, warhammers, maces, morning stars, orochis, kusari... | Technology | explainlikeimfive | {
"a_id": [
"gdp2a80",
"gdp2anm",
"gdp2b1w",
"gdp46y7",
"gdp2ekr",
"gdpxpjd",
"gdqtnjm"
],
"text": [
"Different weapons have different strengths and weaknesses, costs, cultural significance, and so-on. In fact, you say \"be near the guy\" but one of the key advantages if some weapo... | [
"url"
] | [
"url"
] |
k1m4rg | Why do internet and email scammers intentionally misspell things or not use spell check? Isn’t that a dead giveaway? | End of question | Technology | explainlikeimfive | {
"a_id": [
"gdp2h2o",
"gdp2x9u",
"gdqwo4r"
],
"text": [
"That’s actually intentional! If a person sees those spelling errors, they aren’t going to waste their time sending an email or calling, they’ll just ignore the scam. If someone doesn’t notice the spelling errors, it’s much more likely that ... | [
"url"
] | [
"url"
] |
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