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 |
|---|---|---|---|---|---|---|---|
l7pctv | How can the person on speaker phone not hear themselves? | When on speaker phone with somebody the sound of their own voice that comes out is not heard by them. How can the device known not to send their own voice back to them? This even works when you are speaking at the same time. They will hear you but will not hear themselves. How is this done? How does this work? As I typ... | Technology | explainlikeimfive | {
"a_id": [
"gl7zkoj"
],
"text": [
"This is one of the big problems in any sort of amplification circuit (speaker phones are a good example). This problem is called feedback. Any time you have amplifiers, it has a tendency for the output to \"feed back\" into the input, get amplified and so on. This resul... | [
"url"
] | [
"url"
] |
l7qz6c | Why do Bluetooth headphones struggle to maintain smooth connectivity with digital devices in some places? | While walking around with my Bluetooth headphones on, listening to podcasts playing on my phone in my pocket, I notice that the connection gets really poor in some places. The content is playing offline so it is not a network issue, nor is this a result of dying batteries since the problem persists with fully charged h... | Technology | explainlikeimfive | {
"a_id": [
"gl85yvx"
],
"text": [
"EMI would be the first thing to look for. It uses the 2.4 GHz frequencies and is prone to interference from poorly shielded microwave ovens etc. Bluetooth also functions at a fairly low power so it is more easily interfered with."
],
"score": [
4
],
"text_ur... | [
"url"
] | [
"url"
] |
l7s6mn | Sound volume of commercials | Why does it seem adds/commercials are always way louder than the show or content you are listening too? | Technology | explainlikeimfive | {
"a_id": [
"gl8fuvw"
],
"text": [
"Most TV shows will have a dynamic range in their sound - highs and lows in overall volume based on what is going on in the show. The commercials, however, use what is called a compressor to reduce the dynamic range - the compressor sets a maximum volume and then increas... | [
"url"
] | [
"url"
] |
l7wzt6 | Why do chargers become “incompatible” after a while, even if it was previously working fine? | Technology | explainlikeimfive | {
"a_id": [
"gl97go8"
],
"text": [
"This is due to Apple deliberately detecting that it is not an Apple produced charger through software updates. When you buy your knockoff iPhone charger, they have reverse engineered the secret sauce (really some handshake done at the USB level**) that the phone queries... | [
"url"
] | [
"url"
] | |
l7xgzx | how do people get different sounds out of analog circuit based instruments? | Just getting into the wide world of analog synths. I’ve seen all kinds of crazy cool diy instruments. People make their own keyboards, eurorack oscillators and effects, drum machines, etc. I’ve got basic soldering experience and I’ve taken electronic instruments apart for routine maintenance. Recently, I’ve gained acce... | Technology | explainlikeimfive | {
"a_id": [
"gl9p7ys"
],
"text": [
"/r/synthdiy Also, by combining centuries of research on signal processing with 70 years of engineering since someone found it funny to play with speaker test equipment. That's just the result of having a lot of people experimenting for decades on the same thing and shar... | [
"url"
] | [
"url"
] |
l7y0hc | How people actually pull off new non-profit pages on social media like instagram? | I can understand if you have a business, then it becomes an investment. What about the cases of humor pages or art pages where you don't usually expect get profit? Of course once you get a base and keep providing good content, people will share, comment making it more visible. But how such pages make themselves visible... | Technology | explainlikeimfive | {
"a_id": [
"gl9gikg"
],
"text": [
"Word of mouth. You tell all your friends and other people in the humor/art/... business."
],
"score": [
3
],
"text_urls": [
[]
]
} | [
"url"
] | [
"url"
] |
l7yvro | Even with a strong battery why do cars have a hard time starting in cold weather? | I don't understand what is different that prevents cars from starting right up in cold weather. Fuel is present, air is there..spark plugs are ...sparking ..and as long as you have a strong battery the starter is turning the engine...why the struggle? | Technology | explainlikeimfive | {
"a_id": [
"gl9kjjh",
"gl9kyh5",
"gla7eeq",
"gl9jlob"
],
"text": [
"Batteries are powered by chemical reactions that make an electric current as a product. Most chemical reactions occur much slower in cold temperatures. Slower reaction = less electricity generated per second. Less electricity... | [
"url"
] | [
"url"
] |
l84x7u | If whatsapp says it keeps personal conversations private thru encryption and doesn't read them, how is it able to detect messages forwarded many times? | Technology | explainlikeimfive | {
"a_id": [
"glaoskj",
"glargys"
],
"text": [
"I'm not familiar with the specific method Whatsapp uses but there is at least one method I can think of that would work. Before the client device encrypts the message it also hashes it. A hash function is basically a formula that data can be input into an... | [
"url"
] | [
"url"
] | |
l87jmx | Why it costs like hundreds of millions to create a triple A game? Where do they spend money other than salaries and copyrights? | Technology | explainlikeimfive | {
"a_id": [
"glb0xhm",
"glb359w",
"glb13st"
],
"text": [
"Programmers are not cheap, and you need a lot of them to build a complex game. Every element of the UI, the behavior of objects in the game world, enemy AI, and so on has to be coded. Assets, like textures and models, take a ton of work to ... | [
"url"
] | [
"url"
] | |
l88pn3 | How do voice calls work? | Technology | explainlikeimfive | {
"a_id": [
"glbia4k"
],
"text": [
"The simplest way to imagine doing this is by building a circuit which compares a waveform against a bunch of fixed known voltages. Say you have an analog signal ranging from -1V to +1V. By creating a bunch of fixed reference voltages (1V, 0.9V, 0.8V, ... -0.9V, -1V), yo... | [
"url"
] | [
"url"
] | |
l8d63m | What is the difference in hardware between a cpu, gpu, and dpu? | I understand the benefits of using these 3 different types of processing units. I am in need of an explanation of what makes them operate differently and why you need a gpu or a dpu instead of just having a software update to allow a cpu to do similar work to a gpu and a cpu. What is the difference in hardware and soft... | Technology | explainlikeimfive | {
"a_id": [
"glc1i2g"
],
"text": [
"As an analogy, think of a CPU as a fast car, and a GPU as a big truck. If you want to get from point A to point B as fast as possible, the car is way faster. But if you want to get a lot of cargo from point A to point B, the car will have to make a lot of trips, while t... | [
"url"
] | [
"url"
] |
l8g1br | DPI vs Mouse Sensitivity | So I've been trying to figure out the difference between "DPI" and "mouse sensitivity", and I'm not even gonna go in to what I've found because it all seems to conflict. I want to know why DPI isn't the same as mouse sensitivity but we use it as such (supposedly 400-800 is good for gaming yet I've been using 2400 and m... | Technology | explainlikeimfive | {
"a_id": [
"glcgnx3"
],
"text": [
"DPI and mouse sensitivity are effectively the same thing, however one is a hardware setting and the other is a software setting. DPI is hardware - meaning the mouse's setting. Some mice do not come with customizable DPIs while others do - mouse sensitivity, which is the... | [
"url"
] | [
"url"
] |
l8i576 | what is Heterogeneous computing ? | Technology | explainlikeimfive | {
"a_id": [
"gld0si8",
"gldeihu"
],
"text": [
"Imagine you and your friend wants to solve some complex problem, like a really difficult quadratic equation with many many terms. With regular computing, your friend is your classmate, skilled at about the same things you are; be it rearranging equations,... | [
"url"
] | [
"url"
] | |
l8j0ip | What is a seized engine? | I was watching a video on Dunkirk and was told that soldiers would run truck engines dry to cause them seize and rendering them useless to the Germans. What is an engine seize? Can those engines be salvaged? Or would the Germans in this scenario know it's hopeless and scrap the engine completely? | Technology | explainlikeimfive | {
"a_id": [
"glcu95p",
"glcufmv",
"gld2rt8",
"glcv244",
"gld20ec",
"glcufql",
"gld3cc7",
"gld7vze",
"gld6066",
"glcv9q2",
"gldj48j",
"gldo4r6",
"gld8r52",
"glcuorb",
"gldhubx"
],
"text": [
"When an engine runs without oil, the friction causes it to g... | [
"url"
] | [
"url"
] |
l8o8pc | How does more energy consumption equate to better tech? | The Kardashev scale posits that more energy harvesting/consumption equates to increasingly better tech. Solar panels alone can easily power the world. Geothermal can easily boost more than is needed. Does seemingly impossible science advancement (e.g., teleportation, replication, weather control) really hinge on the fa... | Technology | explainlikeimfive | {
"a_id": [
"gldjvr3",
"gldjp6v"
],
"text": [
"The Kardashev scale is a measure of the ability of a society to use technology. We do not have \"plenty of energy\" in 2021. Why don't counties with fresh water shortages desalinate sea water? Because they don't have enough energy. Why don't we use chemic... | [
"url"
] | [
"url"
] |
l8os7t | who are the professionals that use "professional grade" products? | For example: knives, power tools, kitchen equipment... Many of them are marketed as being quality because professionals use them. Do they go to professionals and ask them to endorse their equipment? Are there "professional grade" standards they have to meet? Or is it mostly just a vague marketing ploy that doesn't actu... | Technology | explainlikeimfive | {
"a_id": [
"gldnz7c",
"gldoek3",
"gleccbg"
],
"text": [
"“Professional grade” or “military grade” have literally no meaning. None. It’s just completely made up marketing terms to appeal to schmucks to make them think they are getting high quality products. Literally no meaning.",
"It's almost... | [
"url"
] | [
"url"
] |
l8q0ft | Whats so wrong with break and continue statements? (PROGRAMMING) | I've met several people who hate break and continue statements with all their hearts and souls. Why? What's wrong with them? I understand with goto statements, but what is wrong with break and continue statements? I honestly don't see any issues with them. | Technology | explainlikeimfive | {
"a_id": [
"gldtfro",
"gldy6k9",
"gle0x1e"
],
"text": [
"Wasn't aware people hated these. Have to do a lot of programming for my job and I use them all the time",
"For and while loops have conditional checks built into them. You should be able to structure your code in a way that makes break ... | [
"url"
] | [
"url"
] |
l8rgkm | How do Scratch Removing creams work? | I don't understand how a cream can remove physical abrasions on a lens or disc. | Technology | explainlikeimfive | {
"a_id": [
"gle1ti9"
],
"text": [
"They are abrasive. The cream acts as a very fine grit wet sandpaper to smooth the entire surface."
],
"score": [
3
],
"text_urls": [
[]
]
} | [
"url"
] | [
"url"
] |
l8vnk3 | Why do videos or images in 4K still look more crisp than 1080p, on a 1080p display ? | Technology | explainlikeimfive | {
"a_id": [
"glep4ug",
"gleu79g"
],
"text": [
"4k content is generally encoded at very high bitrates, and the media it's stored on support higher bitrates in their specifications. Downsampling a very high quality image can achieve better quality than just displaying an initially lower quality/resoluti... | [
"url"
] | [
"url"
] | |
l91ufm | how do TVs and other screens create the image? | Technology | explainlikeimfive | {
"a_id": [
"glfrucz",
"glfrffv",
"glg1qty"
],
"text": [
"The slow mo guys did a fantastic video on this topic. You get to watch a crt draw an image line by line, for instance. URL_0",
"The signal received by your tv tells it to draw an image 1 pixel at a time, left to right, top to bottom. It... | [
"url"
] | [
"url"
] | |
l92jgp | How is it that such tiny cards can hold gigabytes of data? | Like, physically, how does storage work? How is it that 60 years ago people built massive units for a couple megabytes of space and now you can save gigabytes of data to little cards? Thank you in advance! | Technology | explainlikeimfive | {
"a_id": [
"glggpis",
"glgj1ob",
"glgc1a5",
"glg7m08"
],
"text": [
"One thing people are omitting is the complexity of the design of an SD card or similar flash media. A compact flash disk is much smaller than a hard disk drive because its sole purpose is simply to store information, but a ha... | [
"url"
] | [
"url"
] |
l934z8 | Why do screens have a maximum refresh rate they can't pass? | Technology | explainlikeimfive | {
"a_id": [
"glg2efe"
],
"text": [
"Let's start with what the refresh rate is... So, when tvs were first invented, there was basically an electron gun behind the screen that shot one pixel at a time. Left to right, top to bottom. How many times it could shoot up the entire screen in a second is how we def... | [
"url"
] | [
"url"
] | |
l93fp4 | How data travels from a server to user's computer. | Technology | explainlikeimfive | {
"a_id": [
"glfyyer"
],
"text": [
"Fiber Optic and copper cabling. And tons of network routers and switches. Your computer will request data from the server. That request travels through the wiring in your house (or cellular) and then gets to the next piece of equipment. It keeps doing this across the co... | [
"url"
] | [
"url"
] | |
l94zfi | What is the difference between Verizon's 5g Nationwide and 5g Ultra Wideband? | Is it worth the extra $10 | Technology | explainlikeimfive | {
"a_id": [
"glgbl84"
],
"text": [
"/u/bluebirdgm is underselling it. “5G Nationwide” is Verizon’s brand name for 5G service on frequencies under 6GHz. This service is very similar to standard 4G-LTE, and it will provide similar speeds and coverage throughout the country. Expect download speeds around 120... | [
"url"
] | [
"url"
] |
l96vxr | Do televisions also use AM or FM? What do they use and what are VHF and UHF? | Technology | explainlikeimfive | {
"a_id": [
"glgikwv",
"glgj6fl"
],
"text": [
"VHF - Very high frequency channels 2-13 UHF - Ultra high frequency channels 14-69 The entire FM band for radio is between channel 6 and 7 on the tv dial. Sometimes if you dial your car radio down enough (88.3 - 88.7) you can listen to tv if you have a cha... | [
"url"
] | [
"url"
] | |
l9eynb | How do radio microphones sound so ''deep''? | I was listening to a radiostation with a livestream on YouTube and the voices of the presenters we're incredibly deep. The guy that hosts the radioshow also has a TV show and there his voice is much more ''normal'' as to where he's on the radio his voice has a lot more ''oompf'' to it. | Technology | explainlikeimfive | {
"a_id": [
"glhn57w"
],
"text": [
"The microphones used in professional studios are of high quality, but the typical radio sound has more to do with dynamic range compression and the proximity effect. What compression does is it takes a signal and makes the softer parts louder, while simultaneously makin... | [
"url"
] | [
"url"
] |
l9gnmp | Why is Open Source Software considered safe if it can be accessed and changed by anyone? | Technology | explainlikeimfive | {
"a_id": [
"gli1oli",
"glhwq3d",
"glhw1mw",
"gli07a5",
"gli86za",
"gli78o8",
"gli5hmo",
"gli4num"
],
"text": [
"I have a piece of closed-source software that's super secure. Trust me, it really is. I'm not going to show you the code, but I pinky-swear promise it's secure. I ha... | [
"url"
] | [
"url"
] | |
l9k4lu | How do they find shortcuts in video games? | Technology | explainlikeimfive | {
"a_id": [
"glig874",
"gliyjqt"
],
"text": [
"There are a ton of ways to find shortcuts. Sone were accidents. Some were found while searching for them. Some were found by looking at the games code. Some take a ton of effort from multiple people to figure out how to make it easier or save time with it... | [
"url"
] | [
"url"
] | |
l9kdan | How did the ancient civilizations used to make ice? | Technology | explainlikeimfive | {
"a_id": [
"glihc8v",
"glihck1",
"glil4gm",
"glihemv",
"glihqhm"
],
"text": [
"They didn't make ice. Wealthy people would have giant blocks of ice shipped to them from cold areas, keeping it cold by packing it in a lot of wood shavings as insulation. It would get shipped by boat or animal... | [
"url"
] | [
"url"
] | |
l9nxkx | Why do some phones still have their data even after a factory reset? | This actually happened to me, I had this old phone that had a pattern lock. obviously, I didn't know what was the correct pattern. so I did a factory reset. When the phone booted I saw some pictures despite there was no SD card or anything like that. Why did the files not get erased?? especially on older devices (2010-... | Technology | explainlikeimfive | {
"a_id": [
"glj3kv5"
],
"text": [
"It probably depends on what the factory reset does. The common things to reset are things like installed programs, settings, and OS state. If the factory reset only cares about those things, then files in the photos folder can easily be ignored. If the entire file syste... | [
"url"
] | [
"url"
] |
l9t15f | How does art restoration work? For instance, if I found an old painting somewhere, and took it to a restoration specialist, what is it that they actually do to the painting? | Technology | explainlikeimfive | {
"a_id": [
"glk2s8n",
"glk2rf7",
"glk2qai"
],
"text": [
"Any video from this channel does a hypnotically calming job at showing you how art gets restored and conserved. Even in ASMR. URL_0",
"In general, they remove once-airborne particles and fluids. Smoke, soot, dust, dirt, oils, and some c... | [
"url"
] | [
"url"
] | |
l9uhsk | How do mass distilleries keep the methanol out of their bottles? | Thanks all for the answers | Technology | explainlikeimfive | {
"a_id": [
"glk9mlw",
"glk9y51"
],
"text": [
"There isn't very much methanol produced in large distilleries. However, when distilling the beer to make whisky (for example), the liquid goes through a still. This evaporates off the alcohol, and condenses it, collecting the higher-proof liquid. The meth... | [
"url"
] | [
"url"
] |
l9wgb6 | What is the technological singularity and superintelligence? | Technology | explainlikeimfive | {
"a_id": [
"glkjg6r",
"glkmueh"
],
"text": [
"Imagine a \"thing-inventor\". This thing-inventor is able to invent things. One of these things is another thing-inventor, a little bit better than the original. It can also invent thing-inventors. As you go along this chain, you get an ever increasing le... | [
"url"
] | [
"url"
] | |
l9wmcv | pc water cooling | How does pc water cooling work? Also, wouldn't it just short circuit the pc? | Technology | explainlikeimfive | {
"a_id": [
"glkjuec",
"glkkdcl"
],
"text": [
"All the components are isolated from the water, they transfer heat to metal heat spreaders, which immediately transfer it to a sealed closed loop of water.",
"The entire system is enclosed, the portion that goes from either the CPU or GPU doesn’t have... | [
"url"
] | [
"url"
] |
la1rt3 | how did the editing of shows and movies happen during the early days of television? | i really love silent films and early technology, it’s amazing to see where we started. i got my mother into the twilight zone, and we’re watching it right now. when watching the opening sequence, there’s things like tvs and glass smashing over top the night sky background, and the blinking eye. i was about to make fun ... | Technology | explainlikeimfive | {
"a_id": [
"glldq5w",
"gllg73d"
],
"text": [
"Early special effects were really amazing. There was the cutting and splicing to edit film, and that was every movie made. If you've heard the expression \"left on the cutting room floor,\" that's when a scene was literally cut out and then not placed bac... | [
"url"
] | [
"url"
] |
la282s | What is the reason for the sound of an app still playing, despite the actual app being closed? For instance, if I close my Spotify app sometimes the music will still play a few seconds afterwards. | Technology | explainlikeimfive | {
"a_id": [
"gllgl94"
],
"text": [
"The music file or a portion of it that is to play next is already buffered in the device’s memory, this buffered segment of the music or sound is set to play through the device audio circuits as soon as the current bit is done. Once you close the app, no further section... | [
"url"
] | [
"url"
] | |
la3bme | Why is call hold music always so distorted? | Technology | explainlikeimfive | {
"a_id": [
"gllkej4",
"gllko9o"
],
"text": [
"The telephone system is designed for carrying human voices. It has very limited bandwidth, so we actually add compression onto it as well. This is why someone doesn't sound the same on the phone as they do in person. The compression that we do for human v... | [
"url"
] | [
"url"
] | |
la3hck | why is it that if we leave a battery overcharging it starts losing its charge-retention capacity? For example in laptops or phones. | Technology | explainlikeimfive | {
"a_id": [
"gllmolk",
"glljp44"
],
"text": [
"Overcharging isn't really a thing anymore since modern gadgets are smart enough to stop charging when a battery is full. They then bounce between 95-100%, discharging and charging as necessary. (Maybe not exactly, but roughly) But this still introduces we... | [
"url"
] | [
"url"
] | |
la9fnx | What is RAM and why is it important for browsers? | Technology | explainlikeimfive | {
"a_id": [
"glmlowp",
"glmljve"
],
"text": [
"RAM or random access memory, is the memory used by programs and the operating system to handle work. This is very fast memory that allows the programs to read and write to it very quickly and not lagging and buffering. Picture the countertop on your kitch... | [
"url"
] | [
"url"
] | |
lac869 | How do microcontrollers understand/read code? | Technology | explainlikeimfive | {
"a_id": [
"gln51kt",
"glnmwzu"
],
"text": [
"The different modules in the processor is controlled by control signals. These are single wire signals that can either be on or off as set by the control logic. For example an adder might have control logic to activate it, select between a handful of inpu... | [
"url"
] | [
"url"
] | |
laf4cp | What's the difference in hardware between a gaming console and a PC? | Moreover, how is a console cheaper than a PC with comparable performance? | Technology | explainlikeimfive | {
"a_id": [
"glnlf5b",
"glnlhd9"
],
"text": [
"The answer would depend on the game console and the PC build you are comparing. Generally speaking, game consoles are cheaper because they have less internal hardware and less expensive components than that of a PC, additionally, Microsoft (XBox) and Sony... | [
"url"
] | [
"url"
] |
lafiws | Why can phone providers do nothing to stop robocalls? | Is it a matter of reluctance on their part, because they don't want to lose the revenue from robocallers paying for phone service? Because I cannot believe the alternative scenario, which is that it just can't be done even if the providers wanted to. Is it really that much of a technological impossibility to find the i... | Technology | explainlikeimfive | {
"a_id": [
"glnsb21",
"glnp0z2",
"glnv48x",
"gloh6xp"
],
"text": [
"a large part of it is the law. carriers used to be forced by law to connect any dialed call, they had no legal ability to not connect a call. notice that you don't get spam text messages nearly as often. those laws don't appl... | [
"url"
] | [
"url"
] |
lau53j | What makes a singer's voice sound "old fashioned" when listening to older songs? | For example, at the 1:10 mark, the male chorus sounds so different to me from modern singers: [You Can Fly]( URL_0 ) | Technology | explainlikeimfive | {
"a_id": [
"glpzh22"
],
"text": [
"I would say this is the combination of recording equipment at the time but also the Mid Atlantic English Accent. (The old fashioned movie voice)"
],
"score": [
9
],
"text_urls": [
[]
]
} | [
"url"
] | [
"url"
] |
lav45g | when people use a supercomputer to supercompute things, what exactly are they doing? Do they use special software or is just a faster version of common software? | Also, I don't know if people use it IRL. Only seen it in movies and books and the like. | Technology | explainlikeimfive | {
"a_id": [
"glq67gz",
"glqm3ua",
"glqdl5c",
"glq5elg",
"glr8omu",
"glq7p6a",
"glr5wro",
"glqgkl3",
"glr7qov",
"glr30qh"
],
"text": [
"They are mostly fast because of multiple processes at the same time. The do not work well on linear problems and scale best on tasks th... | [
"url"
] | [
"url"
] |
lavbs5 | What is an Operating System? | Technology | explainlikeimfive | {
"a_id": [
"glq6zeh",
"glq9bap",
"glqbjtj",
"glqblc6"
],
"text": [
"It’s software that creates a standard interface for other software to control the underlying hardware. Think of how cars work. Every car has a steering wheel, gas and brake petal and so on. But you can have a high performance... | [
"url"
] | [
"url"
] | |
lazqez | Why does it feel like batteries of electronic devices (phones, laptops, etc.) generally last a bit longer at lower percentages? | It always seems like my phone's battery interface goes from 50% to 40% way quicker than from 10% to shutting down, even when I shut off applications that save battery life. Is this a real phenomenon in most phones, or am I just imagining it? | Technology | explainlikeimfive | {
"a_id": [
"glr0f8b"
],
"text": [
"I would say due to app usage on your phone probably? There’s really nothing in a battery’s chemistry that would cause a longer life at that percentage as the battery would hold a charge evenly due to the way it’s made. Batteries are basically metal and acid in a pouch. ... | [
"url"
] | [
"url"
] |
lb0exf | How do updates that require a restart differ from those that don't? | Technology | explainlikeimfive | {
"a_id": [
"glr3eos"
],
"text": [
"Basically the restart is because the files that need to be updated are in use, so cannot be updated. For example, as you have Windows up and running, there are literally 1000's of files that Windows has in an open state because it's using them. If the update you install... | [
"url"
] | [
"url"
] | |
lb3ocg | - Why is perfect pitch required to play a theramin properly? | Technology | explainlikeimfive | {
"a_id": [
"glrowez",
"glrqc6u",
"glro81q"
],
"text": [
"It isn’t, it just makes it a LOT easier. A lot of practice can eventually get you thereish. However it should be noted that a theremin is a really strange instrument in how it functions and can be prone to really wacky variations in pitch t... | [
"url"
] | [
"url"
] | |
lb5qiw | Why do cable companies still use all that gear when streaming services can offer live TV with just wifi? | I took a job with a cable company doing phone service from home, in my training we had to go over a number of really crappy and convoluted gear that customers will need in order to use the service. I'm wondering why they need all that gear when say YouTube tv offers the same thing without it. | Technology | explainlikeimfive | {
"a_id": [
"gls2o4d"
],
"text": [
"First, WiFi is not internet. Its just a convenient way to send a wireless signal a very short distance. The WiFi has to be \"generated\" from a box with a wired connection to the internet. Most people get use WiFi generated by a router, which is physically connected to ... | [
"url"
] | [
"url"
] |
lb632w | Why is audio quality on video calls so terrible? Video can be bad and glitchy but the audio always seems worse even though presumably it is a lower bandwidth signal. | Technology | explainlikeimfive | {
"a_id": [
"gls3h67",
"glsdag0",
"glsnqwu"
],
"text": [
"I think is has to do with people usually not using good microphones that are close to their mouth. Generally the further the mix is from your mouth, the more noise it picks up along with the intended speech. Most people on video calls are s... | [
"url"
] | [
"url"
] | |
lb7mlo | How do freezers and fridges and stuff mke things cold? | I dont understand how you can remove heat from something | Technology | explainlikeimfive | {
"a_id": [
"glsgv4e"
],
"text": [
"It's important to understand that there are two related but distinct concepts at work here: **temperature** and **thermal energy**. Generally speaking, when you add thermal energy to a substance you raise its temperature. When you remove thermal energy from a substance,... | [
"url"
] | [
"url"
] |
lb83a3 | How do services like Spotify create personalized suggestions for each user? | Technology | explainlikeimfive | {
"a_id": [
"glt9xuz"
],
"text": [
"They take music you listen to a lot, and use an algorithm to suggest music by similar artist or similar people. (For example, they would translate “if they listen to Rap God by Eminem suggest My Name is By Eminem” into JavaScript or whatever coding language they use"
... | [
"url"
] | [
"url"
] | |
lb8ick | what is a computer doing when its "shutting down" why can't we just turn off the power and the machine stops working, and then works normally when we turn it on? | Technology | explainlikeimfive | {
"a_id": [
"glsi5f7",
"glsjx4c"
],
"text": [
"It's making sure all the programs and processes are saving data and shutting down properly *themselves*, because data can be corrupted or even fully lost if the writing process just stops abruptly (that's also why they tell you not to turn the console off... | [
"url"
] | [
"url"
] | |
lb9ixp | what is Kubernetes? | Technology | explainlikeimfive | {
"a_id": [
"glssp1e",
"gltv3px"
],
"text": [
"Kubernetes is a container orchestration solution. Containers are mini-computers that run on someone else's big computer. Sometimes, people or businesses like being able to run lots of mini-computers rather than maintaining their own fleet of big computers... | [
"url"
] | [
"url"
] | |
lb9l3a | How is audio digitally stored and reproduced? | My understanding is that computers, at their hearts, can be broken down to the 1’s and 0’s of binary. Photos and videos can be stored this format by determining how much red, green, and blue light to shine through each pixel. But what about audio? I could imagine a song being broken down into a collection of pitches at... | Technology | explainlikeimfive | {
"a_id": [
"glsqn5g",
"glspqc1",
"glt10rf"
],
"text": [
"Hi there: audio engineer here. I'm going to answer your questions backwards as I think that'll make the most sense. & #x200B; The most basic tone possible is a simple sine wave. The reason that different instruments/voices/noises all sound ... | [
"url"
] | [
"url"
] |
lbbzr5 | How exactly does the clock in a laser range finder work? | How exactly do laser range finders work? I know that it uses distance=speed of light\*time by measuring the time it takes light to travel to the target and bounce back. I've seen a laser range finder accurate to millimeters. However, it takes about one nanosecond (one billionth of a second) for light to travel one foot... | Technology | explainlikeimfive | {
"a_id": [
"glud5u9"
],
"text": [
"I'm not entirely sure, but I don't think that laser range finders rely on time of flight analysis. They follow more amplitude shifts, interference and pulsing the laser and averaging out the data. I more work with like laser scanning of surfaces and in that case, we use... | [
"url"
] | [
"url"
] |
lbcaeg | How do smoke detectors know that there's smoke around? And how do they make it infinitely reusable? | Technology | explainlikeimfive | {
"a_id": [
"glt5yvb",
"glti1rf"
],
"text": [
"Inside a smoke detector, there is a small amount of radioactive material between two electrically conductive pieces of metal. The radioactivity causes the air between the plates to ionize and conduct electricity. When smoke enters the detector, this ioniz... | [
"url"
] | [
"url"
] | |
lbjmld | What's the objective difference between a 'horror', 'thriller', 'phycological thriller', 'physcological horror' and 'physcological drama'. | I can't keep up with all these film sub-genres. What's the difference between them? Or is best to think of the genres existing on a spectrum? Black Swan for instance is labelled as a phycological drama, but felt more like horror to me | Technology | explainlikeimfive | {
"a_id": [
"glugn39"
],
"text": [
"The way I look at it Horror : basic hack and slash movies, blood/guts/gore “Friday the 13th” Thrillers : Not that scary/gruesome, but has “creepy” things such as “Bird Box” Psychological thrillers : same as above most most of the movie revolves around tricking your mind... | [
"url"
] | [
"url"
] |
lbkawt | How do bombs work? | Technology | explainlikeimfive | {
"a_id": [
"glugk8q"
],
"text": [
"Bombs generally do two things, create a lot of heat and/or create a lot of gas. Both of those things cause rapid expansion, new volume is being created faster than the air around it can move out of the way, this creates a shockwave which is what does most of the actual ... | [
"url"
] | [
"url"
] | |
lblebk | How does remastering old games work? | Technology | explainlikeimfive | {
"a_id": [
"glv14le"
],
"text": [
"For the majority of people, remastering generally means \"make this shit look better\". That said... It's important to note that in most cases with a game, the assets are developed in very high quality and down-graded to something smaller when placed into the game, for ... | [
"url"
] | [
"url"
] | |
lbmhax | why is it that voice output systems can produce naturally sounding speech most of the time but then sound like robots with certain phrases? | For example when I get an auto reminder call confirming an upcoming doctor appointment the part about the doctor's name, address etc sounds natural but the part about the date and time is robotic. So whats preventing the whole thing from sounding natural? | Technology | explainlikeimfive | {
"a_id": [
"glussn5",
"glusuuy"
],
"text": [
"Inflection has to be programmed. Each word and phrase is typically only programmed to put emphasis and inflection in the forest way the words are recorded. That’s why names (uncommon ones unlike Clark or Smith) will sound very robotic.",
"Most likely ... | [
"url"
] | [
"url"
] |
lbn2lj | Why is it so difficult to emulate PS4 on PC? Is it something Sony intentionally prevented in development or the architecture itself? | Technology | explainlikeimfive | {
"a_id": [
"gluvuwi"
],
"text": [
"They did not intentionally prevent emulation but they did make several design decisions which had the unintended consequence of making emulation dificult. Firstly games consoles are very dificult to emulate because they typically use a different archinecture. This means... | [
"url"
] | [
"url"
] | |
lbnmi1 | Why does Task Manager force-close applications more effectively (Windows 10)? | Technology | explainlikeimfive | {
"a_id": [
"gluy5z2",
"gluze4y",
"glvh02c",
"gluy5bn",
"glvb5tk"
],
"text": [
"There's essentially two ways of shutting down an application. Once is graceful, and one isn't. When you hit the close button on the window, it starts a graceful shutdown. This means that the program is allowed ... | [
"url"
] | [
"url"
] | |
lbpqg7 | How did we figure out pickling food before we understood bacteria? | I understand that preserving food by pickling it has been around for awhile, but without understanding the relationship between bacteria and food decay I have no idea why we would be soaking food in vinegar for months at a time haha. | Technology | explainlikeimfive | {
"a_id": [
"glvaxc6",
"glvc8j7"
],
"text": [
"You don't need to know of bacteria to know their effects and how to preserve food. Essentially people just tried everything until something worked and then tried variations of that. They probably first noticed that the vinegar didn't spoil then figured if... | [
"url"
] | [
"url"
] |
lbprik | Why do some bank and payment processes still take 3-5 days to complete? | Technology | explainlikeimfive | {
"a_id": [
"glvbonu",
"glveue5"
],
"text": [
"A live person at the bank has to verify certain transactions, which usually involves talking to another live person at another bank or branch. Combine that fact with the workload of large banks, which process god knows how many transactions daily, and the... | [
"url"
] | [
"url"
] | |
lbpszi | What's the difference between Eevee and Cycles in blender? | What changes between the two? Is one cleaner than the other? More precise ? | Technology | explainlikeimfive | {
"a_id": [
"glvjru4"
],
"text": [
"Cycles simulates photons and gives physically accurate lighting. This takes a long time to calculate but generally looks very good. Eevee is very much like a game engine- it will use all the shortcuts used in games to make a believable but not physically accurate image.... | [
"url"
] | [
"url"
] |
lbrvug | How does ink stay in a fine tip pen when it is not being used but comes out when being used? | Technology | explainlikeimfive | {
"a_id": [
"glvuco8",
"glvwu7s"
],
"text": [
"It's all in the tolerances of the ball and the cone tip that holds it. It's actually not an easy thing to accomplish and up until a few years ago, [China wasn't able to do it.]( URL_0 ) Something like 80% of the worlds ball point pens were made in China b... | [
"url"
] | [
"url"
] | |
lbxwan | How do municipal water systems keep water pressure consistent with people turning on/off water at all different times and rates? | Technology | explainlikeimfive | {
"a_id": [
"glwtk93"
],
"text": [
"Water systems are plumbed in parallel. To make up some numbers here, a water main that services say 100 homes has enough flow to support all 100 homes. If one of them opens or closes a faucet, the marginal change in available flow at the main is only 1/100th of what it ... | [
"url"
] | [
"url"
] | |
lc2n48 | Why is it that so often the moment I hit "wait for the program to respond" does a previously frozen program start working again? | Technology | explainlikeimfive | {
"a_id": [
"glxsngk"
],
"text": [
"You are stopping the loading process; like when you close a website that's stuck and see everything load just as it closes. I don't recall right this moment what the terminology was, but it creates less strain on the program on websites. I personally have never had a pr... | [
"url"
] | [
"url"
] | |
lc3ci8 | What can a computer hacker do with a personality profile of yours? | So I just read a pro tip about not taking online personality quizzes because they will be sold to people who might not have your best interest at heart such as marketing agencies (makes sense) and hackers. I just can’t imagine anything a hacker really could do with that. Or would want to? | Technology | explainlikeimfive | {
"a_id": [
"glxmysq"
],
"text": [
"There are a lot of questions that are asked that are similar to security questions asked by banks and other financial instructions. Others ask things like do you prefer chicken or turkey. That can be used to target ads to you. Most are harmless."
],
"score": [
6... | [
"url"
] | [
"url"
] |
lc3fys | What does .docx do that .doc could not? | Technology | explainlikeimfive | {
"a_id": [
"glxm66y",
"glxllsp",
"glxlxwm",
"glyiyij"
],
"text": [
"docx is a cleaner and more modern format. It’s compressed, too, so it ends up being a smaller file. docx files are actually zip files. If you change the file extension from .docx to .zip, you can unzip the file and see what i... | [
"url"
] | [
"url"
] | |
lc552n | - What does it mean when a video game is powered by a certain "engine"? | ETA- Thanks guys, that was very helpful! | Technology | explainlikeimfive | {
"a_id": [
"glxw8nk",
"glxwi1q",
"glxwde1",
"glxwqmj"
],
"text": [
"Developers don’t write most of the code in their games from scratch. Instead, they either develop or purchase a toolkit that already includes most of the code required to run the underlying systems the game relies on. Then th... | [
"url"
] | [
"url"
] |
lc6sxm | what are non-fungible tokens and how do they work? | Technology | explainlikeimfive | {
"a_id": [
"glyqbyr"
],
"text": [
"Imagine I make a big spreadsheet of numbers. For every number, I leave a space large enough to put somebody's name. Anybody who asks me gets to put their name next to their favorite number. Say you go ahead and reserve your name for the number 17. That number now has yo... | [
"url"
] | [
"url"
] | |
lcc7qj | Why are sites like Spotify and Apple Music so strict in marking explicit music, while there are thousands of videos and songs unmarked on YouTube? | Technology | explainlikeimfive | {
"a_id": [
"gm00hz8"
],
"text": [
"You can upload anything you want to youtube, and there's no barrier for entry. You're not paying youtube to watch someone's video, so the obligation to correctly indicate explicit language falls on the uploader; uploaders are lazy and no one's kicking up much of a fuss ... | [
"url"
] | [
"url"
] | |
lcc8rf | How do zip files work? How do they make files just smaller? | Technology | explainlikeimfive | {
"a_id": [
"glz0ls1",
"glz37oi",
"glz3dui"
],
"text": [
"The trick with a file compression algorithm is that you try to find repeating patterns in a file. And when you find a repeating pattern, instead of keeping the entire pattern again, you type in a reference to the first place in the file whe... | [
"url"
] | [
"url"
] | |
lcdcqs | What is a .zip bomb and how it works? | Technology | explainlikeimfive | {
"a_id": [
"glz6ia7",
"glzikct",
"glz6cw9"
],
"text": [
"imagine that you're packing up for a trip, you compress all of your clothes in a small bag you successfully zip it close, but when you arrive at your destination, you open your bag, everything comes out, a shit ton of clothes scattered on a... | [
"url"
] | [
"url"
] | |
lcf5a0 | how can special body scales detect what you are made of, like body fat? | I have some physical understanding, but how can they tell my body fat % and how accurate os that? | Technology | explainlikeimfive | {
"a_id": [
"glzelyj",
"glzetb6"
],
"text": [
"Imagine you're standing on the scales with bare feet. The scales send tiny bits of electricity into one foot, which travels up one leg, down the other, and out the other foot and back into the scales. Electricity travels through fat and muscle (and even w... | [
"url"
] | [
"url"
] |
lcm091 | what big data is and how it is useful | I'm reading a lot on this topic and I cannot understand it | Technology | explainlikeimfive | {
"a_id": [
"gm0o26x",
"gm197nx"
],
"text": [
"Big data = harvesting all sorts of data on a large scale, such as spending habbits, geographical locations, psychology, sleeping habbits. Literally anything you can think of. Why is this useful? Well companies can come along and purchase this data collect... | [
"url"
] | [
"url"
] |
lco4z6 | When you take a picture of a computer screen using your phone, why do those waves on the screen move as you zoom in/out? | Technology | explainlikeimfive | {
"a_id": [
"gm1116w"
],
"text": [
"Not exactly sure I understand your question, but what you are seeing is probable a [moire]( URL_0 ). These occur when you overlay two grids that don't perfectly line up. One grid is the computer monitor (consisting of square or rectangular pixels arranged into rows and ... | [
"url"
] | [
"url"
] | |
lcqfcv | How does a battery charge cycle work? Why is it not recommended to fully charge a laptop or smartphone? | Technology | explainlikeimfive | {
"a_id": [
"gm1krjz"
],
"text": [
"A rubber band does not hold as tightly if it is constantly stretched. Batteries are similar, though some technology and kinds of batteries are better at this. Modern phones (i have heard) are totally fine if you charge them to the maximum."
],
"score": [
4
],
... | [
"url"
] | [
"url"
] | |
lcu2i8 | Why is stenography still used in courtrooms when microphones exist? | It seems like it would be much easier to just set up a microphone and record everything that's being said in a legal setting rather than having someone type it out. edit: This is in no way meant to discredit stenography or those who practice it. | Technology | explainlikeimfive | {
"a_id": [
"gm22sqy",
"gm201qk",
"gm2dr1i",
"gm1zda3",
"gm2gvi2"
],
"text": [
"A transcript is an undisputed record of what occurred during a legal proceeding. During a proceeding the parties can and frequently do have the transcript read back to make sure that everyone is in agreement wi... | [
"url"
] | [
"url"
] |
lcvg98 | How did people in pre-internet era sync time? | Technology | explainlikeimfive | {
"a_id": [
"gm27k5j",
"gm27h0t",
"gm27i0z",
"gm2b2p4",
"gm28kok"
],
"text": [
"I used to call a number that would tell me the exact time. Sometimes I miss the Time Lady’s voice lol",
"If you didn’t have access to tv, news radio broadcasts would regularly provide it. “The time is now 5... | [
"url"
] | [
"url"
] | |
lcyhfk | How does tap water stay cold. | How does tap water in pipes stay cold even if it's like a 100° day, wouldn't you expect it to be like lukewarm right. | Technology | explainlikeimfive | {
"a_id": [
"gm2qigl"
],
"text": [
"Water pipes are buried underground. Once you get more than a yard or two below the surface, the earth has a base temp in the mid 60s Fahrenheit."
],
"score": [
8
],
"text_urls": [
[]
]
} | [
"url"
] | [
"url"
] |
ld02ec | How do helicopters descend in altitude while still remaining in the air? | Like, I don't get it. How do they lower their altitude without dropping to the ground altogether? | Technology | explainlikeimfive | {
"a_id": [
"gm3171l",
"gm30rno"
],
"text": [
"Say a helicopter weighs 1000 units. To ascend it creates 1100 units of lift or more. To descend it creates 900 units of lift or less. To dead fall it generates 0 units of lift.",
"They can change the amount of lift the blades supply by changing the an... | [
"url"
] | [
"url"
] |
ld0hkw | How does Google Maps get its traffic data? | As a kid, I always assumed there were sensors or something but in hindsight that makes no sense | Technology | explainlikeimfive | {
"a_id": [
"gm33a8n",
"gm33aes",
"gm336w5"
],
"text": [
"From users phones. If you detect tons of phone in the same spot on the highway, not moving, you can assume there's traffic. A guy redirected traffic last year using that technique: URL_0",
"Google Maps tracks you in the background of yo... | [
"url"
] | [
"url"
] |
ld42nr | Why do we have technology to heat things up really quickly but we don’t have technology to cool things down that quickly? | Technology | explainlikeimfive | {
"a_id": [
"gm3mkkn",
"gm3mz3g"
],
"text": [
"Having a hard time posting it but this tech already exists. They're called flash freezers and they do what you're looking for, though they aren't as efficient freezing as a microwave is heating.",
"It's much easier to turn energy into heat. It happens... | [
"url"
] | [
"url"
] | |
ld4yvg | Why copying 1x4000MB file is much faster than copying 4000x1MB file? | Technology | explainlikeimfive | {
"a_id": [
"gm3r1xc",
"gm3zila",
"gm3xnpw",
"gm5p186",
"gm5qcup",
"gm4qm2c"
],
"text": [
"Imagine you are sending out presents to a friend. Two options: 1: Make a giant box and throw everything in. Wrap it in gift paper. 2: Individually wrap each present. Option one is faster because ... | [
"url"
] | [
"url"
] | |
ldjdcl | How can authentication services make sure that your password is correct without having your password saved in plain text? | Technology | explainlikeimfive | {
"a_id": [
"gm6ke9a",
"gm6814r",
"gm6hsf7"
],
"text": [
"I take your password. I scramble it in, in a particular way. I will always scramble it up the same way. The way I scramble it up is very hard to \"unscramble\". (For an example of why it's hard, think of a number... now multiply by 74387428... | [
"url"
] | [
"url"
] | |
ldkemn | Why do WiFi routers make a noise when loading something on a phone? | I noticed this morning that as I was swiping through posts, every time I swiped there would be a very quiet whirring sound coming from my router. If it was loading a video it would last slightly longer than a pic/text post. Additional question, why does my router make noise when loading something, but when I | Technology | explainlikeimfive | {
"a_id": [
"gm6bb0p",
"gm6bkau"
],
"text": [
"They cheaped the hell out on the router and the power supply circuit inside gets coil whine when the router actually has to do work. Well made units don't really do that.",
"It sounds like you are describing coil whine. Electronics have components tha... | [
"url"
] | [
"url"
] |
ldlt2s | What/who is buying our personal data from Big Tech and why is it so valuable? | Technology | explainlikeimfive | {
"a_id": [
"gm6jbhb"
],
"text": [
"Anyone who wants to sell a product, service or idea. The more someone knows about you, the better they can tailor their pitch to sell you on whatever they are trying to sell you. That’s pretty much the answer in a nutshell."
],
"score": [
9
],
"text_urls": [... | [
"url"
] | [
"url"
] | |
ldtd0w | Shooting ranges require shooters to wear ears protections. How come these equipment are not always seen worn by active military members in real battlefields? | Technology | explainlikeimfive | {
"a_id": [
"gm7rkrf",
"gm7sb08",
"gm7smoh",
"gm7sun8"
],
"text": [
"In real combat, there is often days or weeks of nothing between actual battle. Soldiers will often be issued with hearing protection and may have it with them but either not have time to put it on or prefer to be able to hear... | [
"url"
] | [
"url"
] | |
ldwgzy | Why didn’t we use ethanol to replace gas in cars? It’s renewable, cheap, and has clean exhausts, seems like a great stepping stone towards clean high density energy before full electric cars. | Technology | explainlikeimfive | {
"a_id": [
"gm83j9n",
"gm84mkd",
"gm85lbn",
"gm83yg9"
],
"text": [
"It's not actually that cheap. To produce enough ethanol to replace gasoline financially we'd have to convert massive amounts of food producing land and convert an also massive amount of non-farmed land in to corn fields as we... | [
"url"
] | [
"url"
] | |
ldxmyb | How does a government "block" its country's internet access? | Technology | explainlikeimfive | {
"a_id": [
"gm8a5xw",
"gm8msuq",
"gm8pni4"
],
"text": [
"Very easily. You get your internet access from an ISP. The ISP is a business with offices, employees and so on located in your country. The government simply sends people (armed if necessary) to said business and asks them to shut things do... | [
"url"
] | [
"url"
] | |
le3692 | Why does old news footage from the 20th century all sound the same? | For example: URL_0 URL_1 | Technology | explainlikeimfive | {
"a_id": [
"gm95y77",
"gm95bj2"
],
"text": [
"What you are looking at is not news as we know it today but rather movie news. They are short movies made about current events and then distributed to the cinemas to be shown to a paying audience. People would visit the cinema to watch these reals maybe o... | [
"url"
] | [
"url"
] |
le95d6 | Why can a PC not just close a program? Sometimes, especially with poorly optimised video games, they will freeze and crash, but you can’t close them with keybinds or a task manager. | Technology | explainlikeimfive | {
"a_id": [
"gmakw08"
],
"text": [
"An important thing to know here is that programs are based on a foundation of \"tasks\" that run in the background. Some tasks are little pieces of software that feed the program information and keep it moving smoothly, others are the whole program running as one whole ... | [
"url"
] | [
"url"
] | |
lehwh8 | How do recaptchas work? And why do people need to repeat them over and over again sometimes? | Technology | explainlikeimfive | {
"a_id": [
"gmd7yxj"
],
"text": [
"Humans read text by looking at the lines on a page and seeing a pattern. We see that a straight line, no matter how long it is, looks like the letter 'L' or 'I'. We see that a line with a 'foot' at the bottom is an L. We see that any two lines with a line between them i... | [
"url"
] | [
"url"
] | |
leiru9 | Why is 24 FPS fine on movies but horrible for video games | Technology | explainlikeimfive | {
"a_id": [
"gmdlmp5"
],
"text": [
"Answer: Motion blur, or more specifically the quality of it. When rendering a CGI movie, the computer knows everything about the current “frame” and the one before it, and what will come after it. This means the computer can accurately calculate the path of motion and s... | [
"url"
] | [
"url"
] | |
lemk7a | what do filmography terms mean | What’s the difference between 30 frames and 60 frames per second? I’ve seen people say it becomes smoother so does that mean 60 FPS is better for fast paced video or slow video? Like what are the situations you would choose one over the other? | Technology | explainlikeimfive | {
"a_id": [
"gmfstam"
],
"text": [
"A video is just pictures shown one after another like a flip book. FPS tells you how many pictures are shown each second. [Here is a comparison]( URL_0 ) The more pictures in a second the smoother the video looks as each frame has less changes than the previous one."
... | [
"url"
] | [
"url"
] |
lepd7q | It is my understanding that every time we are forced to use “captcha” to enter a web site, we are in fact training a computer system to recognize things. Are companies running these systems making a profit by selling this data and if so, aren’t users entitled to compensation for said training? | Technology | explainlikeimfive | {
"a_id": [
"gmgua0y",
"gmgq5vd",
"gmgzhjr",
"gmhme4g",
"gmhghe4"
],
"text": [
"Not all captchas are equal, those where you just have to read messed up text with scribbles and lines aren’t gathering any data Google has always used data to either number houses in google maps and scan books ... | [
"url"
] | [
"url"
] | |
levyt4 | How do solar panels work? | Technology | explainlikeimfive | {
"a_id": [
"gmie0uy",
"gmidqrl"
],
"text": [
"A solar panel consists of a grid of Photovoltaic cells. [Photovoltaic]( URL_2 .) simply refers to the process of converting sunlight into electric currents. The photovoltaic effect was first discovered in 1839 by [French physicist Edmond Becquere]( URL_4 ... | [
"url"
] | [
"url"
] |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.