q_id stringlengths 6 6 | title stringlengths 4 294 | selftext stringlengths 0 2.48k | category stringclasses 1
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6f931s | Why do the vast majority of 8-bit (and some 16-bit) video games use the same font? | Referring to this: URL_0 | Technology | explainlikeimfive | {
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"digcwpf"
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"It's because your fonts can only get so complex on such a low pixel count. It's a font with good thickness, visible curved corners, good contrast, and getting kerning to work will be a hassle. It's a good font, that's been on some good games, so it's a sort of accepted ... | [
"url"
] | [
"url"
] |
6f9ah7 | When a camera's shutter speed syncs with moving tires and makes it look like the tires aren't spinning, what exactly is happening? | Technology | explainlikeimfive | {
"a_id": [
"digj6nx"
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"text": [
"The camera is basically taking a picture of the tire when its at the exact point of rotation. If u put a yellow mark at the very top of the tire, you could synch the shutter to only flash when the mark is at the top on each rotation. So thats all you'll ever see. At the... | [
"url"
] | [
"url"
] | |
6f9ecy | How do famous people and businesses get their specific usernames on social media? | For example, on Instagram, Reddit's official account is @reddit. I assume someone else had that username before them though? As in, before Instagram was popular enough for businesses to use someone probably saw @reddit was free and chose it. How do these businesses/people get these usernames? Do they either pay the per... | Technology | explainlikeimfive | {
"a_id": [
"digfkzh"
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"text": [
"They have social media teams that are on that quite fanatically. Whenever a new platform opens up they will register the name. This doesn't always work though. In that case they will often try to buy the account. My brother's instagram account is a play on his name that... | [
"url"
] | [
"url"
] |
6f9j9z | Why are social media sites like Twitter unable to stop bots that spread & up-rank misinformation? Could machine learning/AI be used to ID non-human accounts? | SSIA - Thanks!! | Technology | explainlikeimfive | {
"a_id": [
"diggt2b"
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"text": [
"You could, and they are. But machine learning isn't magic. It's just statistics. And the bot makers are pretty good about finding out what features the machine learning is checking to identify bots and making their bots not do those things. Machine learning is not able ... | [
"url"
] | [
"url"
] |
6f9qds | why do chip card transactions take so much longer to process than magnetic strip transactions? | Technology | explainlikeimfive | {
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"text": [
"It's an Infrastructure Issue. Chip Cards have added Security Features. These features are meant to make forging a Chip Card *incredibly* difficult, even if you manage to get a Skim... | [
"url"
] | [
"url"
] | |
6f9t8r | How do these "camera shutter speed synced to _____" gifs have only 1 part of the video different? | Technology | explainlikeimfive | {
"a_id": [
"digj13b"
],
"text": [
"Camera shutters occur at constant frequency. Now if something in the picture is also operating at the same frequency, then that portion of the image appears to stand still. Things that spin or have a refresh rate are common candidates for this effect."
],
"score": [... | [
"url"
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6faf7d | how the Akinator Web Genie is able to guess people so accurately. | Technology | explainlikeimfive | {
"a_id": [
"dignrao",
"digxcjs"
],
"text": [
"It's just an electronic version of 20 Questions. Three points are enough to determine a location in space. Determining a famous person only takes a few more pieces of information. Plus it incorporates the information from when it fails to identify someone... | [
"url"
] | [
"url"
] | |
6fbl3j | Why do battery powered items (such as phones and portable chargers) frequently arrive about half charged? | Technology | explainlikeimfive | {
"a_id": [
"digzc5c"
],
"text": [
"Keeping a battery at about half charge is good for long term storage, leading to less deterioration than 100% or very low percentage. LiPo batteries are also more susceptible to fires during transit if at full charge. Batteries can also drain over time, depending on wha... | [
"url"
] | [
"url"
] | |
6fc8nf | What makes AMD graphics cards so popular for cryptocurrency mining, and why does it matter? | Technology | explainlikeimfive | {
"a_id": [
"dih3srw",
"dihqygq",
"dih3znh"
],
"text": [
"They are generally a good deal cheaper than Nvidia cards and for a good while now the architecture That AMD has been using (GCN aka graphics core next) turns out is really good for mining operations and better than Nvidia. So it makes sense... | [
"url"
] | [
"url"
] | |
6fcbkq | Why are there new socket types for almost every CPU generation | Is there any benefit to it ? I mean, I get it that CPUs themselves are faster, but does the actual socket (for eg. LGA 1151 vs 1150) offer any additional benefits over its counterpart ? | Technology | explainlikeimfive | {
"a_id": [
"dih443d",
"dih8f6m"
],
"text": [
"Modern CPUs have a **lot** of things built into the chip. You've got memory controllers, PCI Express controllers, USB controllers, graphics chips and all sorts of other things. Motherboards need to be designed to interface with all of these things properl... | [
"url"
] | [
"url"
] |
6fcco0 | Why are "Sign In" buttons on websites so small and presented with less fanfare than "Sign Up" buttons? | It would seem like they want to make signing in easier to find or make it seem like they value their users, no? | Technology | explainlikeimfive | {
"a_id": [
"dih4nwc"
],
"text": [
"It is more important to attract new customers. A returning customer is more likely to endure a minor annoyance than someone looking to sign up. And many times, it remembers that you signed in anyway, so you may rarely have a returning customer actually looking for the s... | [
"url"
] | [
"url"
] |
6fcroz | How does Google actually work? | More generally maybe how does such large scale data mining take place? Is it through hash tables or through bots that amass a data base? How can google search the entire internet in seconds and pull every single reference to what you searched for ever? I guess no one will ever know surely given that it is google but ju... | Technology | explainlikeimfive | {
"a_id": [
"dih7rzt",
"dih8axs"
],
"text": [
"> More generally maybe how does such large scale data mining take place? Is it through hash tables or through bots that amass a data base? Hash tables are involved, and yes, the first step is that web crawlers download all of the content from the web and ... | [
"url"
] | [
"url"
] |
6fd637 | how is a website's price calculated? | For example, a little static website without CMS vs a little dynamic website with CMS and Database. | Technology | explainlikeimfive | {
"a_id": [
"dih9k1l"
],
"text": [
"OK, so if you mean *how does one work out how much it costs to host a website?* The main factors are: * storage * how many requests (visitors) the website needs to be able handle per hour * whether or not the website needs to be able to handle variable data (CMS) or jus... | [
"url"
] | [
"url"
] |
6fdw40 | Why do most live performers remove their in ear moniters when they perform? If it affects their performance, why do they wear it in the first place? | Technology | explainlikeimfive | {
"a_id": [
"dihh3wg"
],
"text": [
"> As a professional musician for over a decade, the simple answer is this: In-ear monitors are excellent for keeping a fine tuned ear on what is being played, hearing click tracks, and getting cues. When someone takes out one (or sometimes both) of their in-ears, it's t... | [
"url"
] | [
"url"
] | |
6fh32q | How does lighting in a concert interfere with musical equipment? | Technology | explainlikeimfive | {
"a_id": [
"dii43qm"
],
"text": [
"Although LEDs and other technologies are becoming more commonplace and have their own funky ways of dimming them built in, a lot of stage lighting still uses a variant of the old fashioned filament bulb that you might have in any number of lights at home, assuming you'v... | [
"url"
] | [
"url"
] | |
6fhybs | Why can some computers run PC games without meeting the minimum requirements, while other games perform like garbage on the same computer even though their requirements are overall lower? | Curious for myself, but I see a lot of other gamers with this, too. Some games I don't meet the spec requirements for tend to run better and with a higher frame rate than those I do meet. Ex: I can play skyrim pumped full of mods on decent settings when I don't meet *any* system requirements, but when I try to play som... | Technology | explainlikeimfive | {
"a_id": [
"diiax9d",
"diicql7"
],
"text": [
"The requirements for a game are basically a marketing tool. There's no clear performance criteria a system must meet for a game to have minimal requirements listed. It's completely up to the publisher's discretion. Put the requirements too high, and peopl... | [
"url"
] | [
"url"
] |
6fko8z | How do eBay scammers get hundreds of positive reviews? | Bought something on eBay recently, seller got shut down by eBay and my money refunded thankfully. However, they had 99% positive with nearly a thousand positive reviews, and only 10 negative. How do they do this? | Technology | explainlikeimfive | {
"a_id": [
"diiw30b"
],
"text": [
"There are services one can pay for to get fake reviews on ebay, Facebook, yell and so on. They use cheap labour in developing countries like China. I believe they are referred to as \"click farms\""
],
"score": [
5
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6fmrrs | How Did They Code The First UI? | You can make programs through a Shell, but how did they make the first shell so you could program more stuff? | Technology | explainlikeimfive | {
"a_id": [
"dijcg0y",
"dijc44t",
"dijmyxr"
],
"text": [
"The answer is that the fist program on a new computer design is created on another computer design. It is called cross compiling and it is like how program for mobile phones are compiled on PCs. But then is the question how is the software ... | [
"url"
] | [
"url"
] |
6fnybc | How were people able to play a game like 'World of Warcraft' back in 2004, when the average internet speed was around 350 kb/second? | Technology | explainlikeimfive | {
"a_id": [
"dijlx71",
"dijmg1q",
"dijmi92"
],
"text": [
"I don't know about WoW specifically, but for a lot of games of the era, they just handled a lot more of the things client side, and your computer and the server just communicated in short bits of binary. All of the graphics are stored on yo... | [
"url"
] | [
"url"
] | |
6foau7 | How does tilt-shifting photography work? | Technology | explainlikeimfive | {
"a_id": [
"dijpd1f"
],
"text": [
"With normal photography the lens is centered and perpendicular to the film or sensor. Tilt shift means the lens can be tilted off perpendicular and shifted off center. Since lenses are designed to put objects in focus directly behind their glass elements, that allows th... | [
"url"
] | [
"url"
] | |
6foitf | When listening to music, it sometimes feels like I'm hearing it faster or slower than before? | Sometimes I get the sense that I'm hearing a song slower or faster than the last time I heard it. Any idea why? Or can there actually be variance in output depending on device i.e. streaming, radio in the car, etc. Thanks! | Technology | explainlikeimfive | {
"a_id": [
"dijyttr"
],
"text": [
"Sometimes we feel euphoric when listening to really good songs, the brain releases dopamine, adrenaline, and other chemicals. These chemicals can enhance and change how we experience the song, it can seem faster, slower, smoother, louder and so forth. By listening to a ... | [
"url"
] | [
"url"
] |
6fp3xl | what is the difference between a Fast Charger and a standard USB wall adapter? Looking at their outputs, they look close to the same. | Technology | explainlikeimfive | {
"a_id": [
"dijvqby"
],
"text": [
"There are a few different standards out there, and some manufacturers calling anything that can provide > 1a @5v \"fast\". Qualcomm Quick Charge uses a higher voltage along the USB cable while keeping current about the same. USB[-C] power delivery supports a similar hig... | [
"url"
] | [
"url"
] | |
6fprer | How do police identify the criminals by using CCTV | Technology | explainlikeimfive | {
"a_id": [
"dik2rny",
"dikj0pt",
"dikbfd5"
],
"text": [
"Cop here: We know most of the scumbags in our area. If we don't recognize someone from a video, we'll send an email out asking if anyone else does. 90% of the time we'll get an email back saying, \"Yeah, that's Larry Johnson. He likes to br... | [
"url"
] | [
"url"
] | |
6fq3m3 | How are old media formats 'remastered'? | Technology | explainlikeimfive | {
"a_id": [
"dik40bb"
],
"text": [
"The studios keep master copies, which are actually pretty high-quality. The low-quality problem on older movies is from the poorer transmission and distribution standards of back then. Film reels and cable broadcasting are low-quality, film movie cameras aren't. They go... | [
"url"
] | [
"url"
] | |
6fr6i2 | Differences/relationship between computer kernel and shell | What exactly is each responsible for and how do they interact with eachother? | Technology | explainlikeimfive | {
"a_id": [
"dikdehv"
],
"text": [
"The kernel is the core of the operating system. It defines what users & processes are, it controls access to hardware, it handles multitasking and networking and pretty much everything that actually happens. The shell is just tool that lets you interact with the kernel ... | [
"url"
] | [
"url"
] |
6frkuy | Why back in early 2000 Motherboards were green, and now they are mostly black. Why the color change and why aren't we seeing any pink motherboards? | Technology | explainlikeimfive | {
"a_id": [
"dikgfp8"
],
"text": [
"Back in those days we didn't have fancy windowed PC cases. Once those modded cases and windows popped up the manufacturers started to built visually appealing components. E.g. fancy RAM heatsinks, nice motherboards, PSUs and so on. Wouldn't there be such cases as today,... | [
"url"
] | [
"url"
] | |
6fuybn | how Artificial Intelligence works in terms of programming? | ###Fantastic answers from all you guys. THANKS! | Technology | explainlikeimfive | {
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"dil89ec",
"dil7zqh",
"dilq2jv",
"dilr33e",
"dil5pdg",
"dil7pi5"
],
"text": [
"Artificial intelligence is a massive field. Asking how AI works is like asking how animals work. Don't let the down votes dissuade you, though. It's an interesting, expanding field. If you have 2... | [
"url"
] | [
"url"
] |
6fv2an | Why is it impossible for PS1 games to be HD remastered? Is it not possible to just redo the textures? | Technology | explainlikeimfive | {
"a_id": [
"dil6wp8",
"dil6t5o",
"dilnq5f",
"dils28r"
],
"text": [
"Former game dev here, It's not impossible, there's just no profit in it for the amount of work involved. The studio would be selling to a tiny niche who would want such a thing, and they can't possibly charge enough to turn a... | [
"url"
] | [
"url"
] | |
6fxqqe | Why are spam / phishing emails always so terribly written (e.g. grammar, spelling errors, etc)? | Technology | explainlikeimfive | {
"a_id": [
"diltl2t",
"dilth3d",
"dilu87o"
],
"text": [
"I read somewhere that phishing/spam emails/online scams are intentional bad, slightly obvious. It weeds out the potentially more savvy victims that would spot a scam, making the pool of responders more likely to be less savvy/smart and more... | [
"url"
] | [
"url"
] | |
6fy2xf | How does noise cancellation technology work in headphones | It is mysteriously glorious | Technology | explainlikeimfive | {
"a_id": [
"dilyqzw"
],
"text": [
"Destructive interference. Imagine sound being ocean waves that travel in direction towards you. If you were to create waves with equal wavelength and height to the incoming waves, and send them towards the waves that travel towards you, then the waves would cancel each ... | [
"url"
] | [
"url"
] |
6fy7bs | What are “non-free” packages in Linux? | Technology | explainlikeimfive | {
"a_id": [
"dilxzew"
],
"text": [
"Used in debian-style repositories and others, the non-free section refers to packages that do not have source code published under a \"free\" license. Such packages/software are distributed free of charge, but the source code is not available and/or users are not allowe... | [
"url"
] | [
"url"
] | |
6fyv8s | How does dry cleaning work? | Technology | explainlikeimfive | {
"a_id": [
"dim4mle"
],
"text": [
"Dry cleaning isn't actually dry, it just uses a different solvent than water, usually Hydrocarbon. Other than that, the process is pretty much the same as any washing."
],
"score": [
12
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6fzbas | Why does IBM Watson have so many commercials? (Who is the target?) | Technology | explainlikeimfive | {
"a_id": [
"dim89li"
],
"text": [
"It is mostly about branding *getting their name out there repeatedly over and over - so when you think of the best possible soda - Coke or Pepsi pops in your head. When you think of fast food - boom you think of mcdonalds or burger king When you think of getting an alte... | [
"url"
] | [
"url"
] | |
6g01e9 | What limits the transfer speed of data cables such as USB, HDMI, Ethernet? | Technology | explainlikeimfive | {
"a_id": [
"dimdjdb",
"dimg6ms"
],
"text": [
"Cables have electrical properties - some of which are well-known (resistance), some of which are not (capacitance, inductance). Capacitance is a particular problem because it limits the frequencies that can be transferred over a cable, thus limiting the d... | [
"url"
] | [
"url"
] | |
6g09uf | What stops private entities from pursuing a weapon of mass destruction project? | So we have a guy that uses his privately earned money to fund his own space project. It only makes me wonder what stops Elon Musk as a visionary from starting his own nuclear project, build a base somewhere in Alaska, buy uranium from Iran and then threaten people with his nukes if they don't start playing by his defin... | Technology | explainlikeimfive | {
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"dime9er",
"dimefna",
"dimel4m",
"dimeb87",
"dimfq71",
"dimf1ln",
"dimieyr",
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],
"text": [
"There are just a ridiculous amount of laws concerning the use of anything related to nuclear energy or weaponry. If theoretically he wanted to build unsanctioned pri... | [
"url"
] | [
"url"
] |
6g1oe6 | Is it really possible for a person or entity to get precise information, such as your street location, from your IP address? | Hi everyone. I've heard this a couple of times now and I'm not sure what to believe. My understanding was that the most a person could do with an IP address was find the city you live in. Precise information like street location could only be obtained from an ISP. Now I'm not so sure. Could anyone explain this? Thanks. | Technology | explainlikeimfive | {
"a_id": [
"dimq3mr",
"dimqd47"
],
"text": [
"It's not really possible with just the IP. You can use it to get a rough approximation of your location - my IP address points to my town but to my ISP's location and not to my house. You can get a little more detailed with the hostname depending on what ... | [
"url"
] | [
"url"
] |
6g3hdz | Why do old television clips look so bad? Was standard definition TV really that bad? | I remember watching football games in the 80s and 90s on TV and the quality seemed ok, but when they show old highlights from that era on HD it looks completely unwatchable. | Technology | explainlikeimfive | {
"a_id": [
"din6gap",
"din66aq"
],
"text": [
"The quality was arguably very good, but there are not many good archives from that time so anything you see most likely comes from a VHS tape, or similar, which might be a recording of the transmission and not even an original/master. VHS tapes can degrad... | [
"url"
] | [
"url"
] |
6g4213 | What stops telephone companies from being able to identify and block robocallers (including ones who use caller ID scrambling)? | With all the other things computers are capable of doing these days, this would seem to be a feature that could be developed and implemented by Verizon or TMobile or whomever. That said, I'm definitely not an expert on this kind of technology, to the point where I'm not even sure I'm phrasing the question properly. But... | Technology | explainlikeimfive | {
"a_id": [
"dinboew"
],
"text": [
"I test a corporate phone system as my job. They can't stop robo-callers because: 1) Content and intent are not included in the routing information. 2) Legitimate businesses use Automated systems for valid purposes, let letting customers know special order or packages ha... | [
"url"
] | [
"url"
] |
6g4pij | How do tow trucks take away cars without setting off the car alarm?? | Technology | explainlikeimfive | {
"a_id": [
"dinhbij",
"dinhp4r"
],
"text": [
"Most factory alarms don't have shock sensors. So as long as the doors or hood aren't opened they won't go off from being towed.",
"They don't really. Most car's with standard alarms usually won't have fancy tilt / shock sensors so getting towed won't ... | [
"url"
] | [
"url"
] | |
6g62z0 | What is physically different about a hard drive with a 500 GB capacity versus a hard drive with a 1 TB capacity? Do the hard drives cost the same amount to produce? | Technology | explainlikeimfive | {
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"dio65sz",
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"text": [
"Here's an analogy that a five year old might understand. Imagine you have a piece of paper. You get your ... | [
"url"
] | [
"url"
] | |
6g7jfh | how do apps keep data secure when transferring over public WiFi? | I'm going overseas shortly and was thinking about how my phone automatically uploads photos to Google cloud storage when on WiFi. Do the same *security* principles apply across all apps? (Banking, etc) How does this information stay safe on public networks? Edit: security principles. | Technology | explainlikeimfive | {
"a_id": [
"dio3oao"
],
"text": [
"In a word, encryption. _Any_ data transferred over HTTPS is secure from the device to the web page you're connected to. HTTPS packets are encrypted, meaning snoopers can't see the contents. All people trying to steal data over WiFi will see is the **domain** ( URL_0 ) a... | [
"url"
] | [
"url"
] |
6g85qb | how are the fbi and nsa able to recover deleted information from hard drives | I guess I specifically mean magnetic hard drives but if you can explain both solid state and magnetic media, that would be even better. | Technology | explainlikeimfive | {
"a_id": [
"dio6zw4"
],
"text": [
"In most cases, when you \"delete\" something from a hard drive, you don't actually remove the data. You simply mark the area that the data was in as \"empty\". The data is still there and can be read until it's overwritten. In some cases, even if a data area is reused, ... | [
"url"
] | [
"url"
] |
6g8ubo | Before phones were popularized, how were the police informed of a crime taking place? | Technology | explainlikeimfive | {
"a_id": [
"diocjg3"
],
"text": [
"Walking to the sherrif's office/police station and letting them know. Some areas also had police call boxes (Yes, like the Doctor Who thing) in high traffic areas like parks that would connect you with emergency services, in America at least you can still occasionally s... | [
"url"
] | [
"url"
] | |
6g98r9 | How do Keygen programmes work? | I'm sure lots of you have used a Keygen programme to crack software before but, as somebody who doesn't have any idea about coding, I've always wondered, how is it possible to generate a code that activates something like Photoshop or Ableton etc without paying? Do the programmes have specific rules for the codes that ... | Technology | explainlikeimfive | {
"a_id": [
"diog5nb"
],
"text": [
"The programs in question have a specific bit of code that checks the key. This check is performed by an algorithm (i.e. fancy math equation) that determines if the key is valid or not; it doesn't store all possible valid keys, just the equation that determines a valid f... | [
"url"
] | [
"url"
] |
6g9zqq | How subscription music services(Pandora, Spotify, Apple Music, etc.) work? How does my money make it to the artists or am I wrong in assuming that it does? | Technology | explainlikeimfive | {
"a_id": [
"dion8vs",
"diomg4c"
],
"text": [
"These services have ads and people also can choose to pay a subscription. The artists make money but not much really. But that applies to CD sales, etc. too.",
"These music services are partly subscription-based. The artists make an account with Spoti... | [
"url"
] | [
"url"
] | |
6gavdj | How are search engines like DuckDuckGo any more private than Google if your ISP tracks everything you visit anyways? | Technology | explainlikeimfive | {
"a_id": [
"diou0xq",
"diow1dp"
],
"text": [
"With a proper encryption setup (ie html over SSL), the ISP doesn't see the contents of the traffic, only the source and destination.",
"When requesting a page web page using the HTTPS protocol (recognised by the green padlock in any modern web browser... | [
"url"
] | [
"url"
] | |
6gcqg6 | Why are people so critical of game development jobs? | I constantly see people warning others about going into the game development industry. On Reddit and elsewhere, people say the game development industry has a tendency to burn employees out quickly. How exactly does this happen? | Technology | explainlikeimfive | {
"a_id": [
"dipgh5n"
],
"text": [
"There's several things here that make game dev a generally shitty job. 1) **Lots of small indie studios or solo developers releasing a lot of small games that don't make a lot of money.** So there's not much money to go around.....and so a lot of indie game devs end up ... | [
"url"
] | [
"url"
] |
6gdymv | What is SLA in datacenters? | What does this parameter speak of? | Technology | explainlikeimfive | {
"a_id": [
"dipkdc9"
],
"text": [
"It stands for \"Service Level Ageeement\", and is essentially the agreement which outlines what exactly the service provider (in this case the data centre but they're not the only ones that have SLAs) is providing the client company. It covers things like what service t... | [
"url"
] | [
"url"
] |
6gfcif | Can you connect to the internet without going through an ISP? | Like could you, with sufficient funds and contacts in the networking world just connect directly to the rest of the web allowing for unlimited speeds and the only limitation to this being your hardware? | Technology | explainlikeimfive | {
"a_id": [
"dipu3ai",
"dipuh27"
],
"text": [
"With sufficient funds and contacts, sure. However, it would essentially lead to you running an ISP yourself with only one customer. It would not lead to unlimited speeds, because there is a limit to how fast a link other ISPs would be interested in giving... | [
"url"
] | [
"url"
] |
6gfuiw | why linux and windows can be installed on any pc while android need custom version for each device | I know that Android has Linux kernel ,. Which can detect any driver , once I used hard drive that has Linux and put it in another pc, Linux detected all drivers, why Android have the feature to detect all drivers especially in after market versions like CyanogenMod, lineage os | Technology | explainlikeimfive | {
"a_id": [
"diq3r0l",
"dipyaor"
],
"text": [
"Linux kernels *can't* detect any device. It can only detect devices for which it has drivers installed. Linux for PCs is typically shipped with every driver under the sun, and so usually a single distro will work on any PC architecture you install it on. ... | [
"url"
] | [
"url"
] |
6gguwz | How can Google Maps give you results so fast? | Let's say you're planning a route from A to B, which are like 500 km away from each others. There's potentially billions of possible routes you could take. Yet, they manage to give you the shortest/fastest route within a matter of seconds. How is this even possible? | Technology | explainlikeimfive | {
"a_id": [
"diq7s39",
"diqoh9u"
],
"text": [
"They don't give you the shortest/fastest route within seconds They give you *a* short route and *a* fast route within seconds. Google maps prefers highways where possible and tries to avoid having you get off at one exit, skip around through backroads for... | [
"url"
] | [
"url"
] |
6ghaxr | How can I go from browsing a webpage to instantly being taken to a website saying something like, "You've won a free iPhone!" without clicking any other links? | Technology | explainlikeimfive | {
"a_id": [
"diqbbpn",
"diq98ai"
],
"text": [
"Scripts that trigger another page to open. Javascript can even track your mouse position, which can set off a function that opens a page when the mouse is hovering above an invisible element on the page you are browsing for example.",
"Code on the pag... | [
"url"
] | [
"url"
] | |
6ghkco | Why aren't their speeding cameras that automatically record and ticket speeding cars the way red light cameras do? Or if they exist why are they so much less common? | My premise might be wrong, I'm just going off of what I've seen while driving. | Technology | explainlikeimfive | {
"a_id": [
"diqbe3z",
"diqbl04",
"diqdxhy",
"diqdigo"
],
"text": [
"12 states, DC, and the Virgin Islands have speed cameras just like the ones you describe. Meanwhile, 13 states have made them illegal. On the other hand, 24 states have red light cameras. URL_0 So it seems likely that you liv... | [
"url"
] | [
"url"
] |
6gjmhx | how every lock and key in the world is made to be unique with no duplicates | Technology | explainlikeimfive | {
"a_id": [
"diqsoag"
],
"text": [
"They aren't, there are lots of duplicates out there Schlage house locks are very common, their keys come with a 5 or 6 digit code on them. Best case that gives you a million key combos. Not nearly enough to make every lock unique, but plenty to make it unlikely a random... | [
"url"
] | [
"url"
] | |
6gkifw | What enforces a "read only" attribute on a computer? | I never thought about this, can't a program just ignore the read only attribute? I'm asking this because i noticed that certain text editors have a "force write" option that bypasses the read only attribute and write to the file anyways. Similar question: What enforces floppy disks and SD cards set to read only? Can't ... | Technology | explainlikeimfive | {
"a_id": [
"diqzgaz",
"dirrrea"
],
"text": [
"The operating system. When a program wants to open a file, it does so by asking the operating system to open the file for reading and/or writing. If it tries to open the file for writing and the file is marked as read-only, the OS will tell the program \"... | [
"url"
] | [
"url"
] |
6gl5c4 | Why is it difficult to create a light source that accurately immitates natural/outside lighting? | Technology | explainlikeimfive | {
"a_id": [
"dirbzko",
"dir3yxb",
"dir9pqy",
"dir9azd",
"dir3ygm",
"diranmg",
"dircif6",
"dirqdey"
],
"text": [
"While the Sun's color spectrum differs from artificial lights, this is not the reason this is difficult. Any light made for film making combined with the correct whi... | [
"url"
] | [
"url"
] | |
6gm0j8 | Why is it that money is so hard to fake, and shouldn't money-printing machines be easier to build today? | Technology | explainlikeimfive | {
"a_id": [
"diraxbs",
"diran78"
],
"text": [
"Every time printing technology advances, money printers develop a new security that is difficult if not impossible to reproduce. It's as simple as that. Old money is really easy to copy by today's standards because it was pretty much just ink on paper. Th... | [
"url"
] | [
"url"
] | |
6go2x2 | How do airlines determine flights? | What determines where the planes go at what time? Is there an algorithm? | Technology | explainlikeimfive | {
"a_id": [
"dirtar9"
],
"text": [
"Yes, there are indeed algorithms where you can input all the trips people want to take, and what resources you have, and get a roughly \"optimal\" combination out. In practice, there is a *huge* amount of manual intervention that complicates things, for example: - We've... | [
"url"
] | [
"url"
] |
6gony8 | Why was 144hz selected as a monitor standard? Wouldn't 120hz have been the logical next increment? What's special about 144hz that made it a standard refresh rate? | 60hz is pretty much the standard for PC monitors, The next step up in the resolution standard is 144hz. Which seems a bit odd, because 120hz seems like an obvious logical next standard. So why 144hz? The next standard above 144hz is 240hz. Which makes sense considering 240hz is 4x 60hz. So where does this oddball 144hz... | Technology | explainlikeimfive | {
"a_id": [
"dirxms1",
"dirvjgw"
],
"text": [
"120Hz was common for quite a while, then monitor manufacturers started advertising 144Hz as being a bit better, then everyone followed suit. 165Hz is now gradually gaining traction too. 144 is divisible by 24, which makes films properly smooth, but not by... | [
"url"
] | [
"url"
] |
6gpsuo | How do shows and movies eliminate unwanted noise? | I was watching an episode of Better Call Saul (S1 Ep 3, about 18 minutes in) and you can clearly hear the wind in the background and see the trees shake violently. I feel, that if it were shot with a normal camera, you would hear a lot of the wind distortion. How do they minimize the noise of the wind so that you can h... | Technology | explainlikeimfive | {
"a_id": [
"dis71a5"
],
"text": [
"You've seen the long boom mics that Saul's crew uses? Those are real - they're intended to just capture the actors lines during filming. Any background noise is added later by foley artists or other sound crew using sounds that were captured separately, or come from a l... | [
"url"
] | [
"url"
] |
6gquph | Why does scrolling up and down a picture with a horizontal black and white striped shirt make my screen look fuzzy. | Technology | explainlikeimfive | {
"a_id": [
"dishin0"
],
"text": [
"Your screen is effectively a grid of coloured squares (and so is the image actually, probably compounding the effect). Fine lines, particularly on clothing because of how much it moves, are very unlikely to match up with the pixel grid so it leads to a distortion called... | [
"url"
] | [
"url"
] | |
6grzdh | - why do trains care what you charge in their power sockets? Does it make a difference if i charge my laptop or my toothbrush? | I'm currently on a virgin train in the UK and they have a sign next to the power socket which reads "laptops and mobile phones only". | Technology | explainlikeimfive | {
"a_id": [
"diskqng",
"dismfp5",
"disnea2",
"diskm7a",
"diskkb4",
"disv682"
],
"text": [
"Laptops and mobile phones draw relatively less power than something like a hair dryer or electric space heater. If several passengers used such devices it is likely circuits would be overloaded a... | [
"url"
] | [
"url"
] |
6guttw | The relationship between USB-C and Thunderbolt 3 | I keep hearing them used interchangeably. Are they 2 names for the same thing? | Technology | explainlikeimfive | {
"a_id": [
"dit85zs"
],
"text": [
"they aren't the same. USB-C is both a *protocol* and a *connector type*. The difference? A protocol is the set of rules several different gadgets have agreed upon, so that they're able to talk to each other over the wire. The connector type? The physical shape of the li... | [
"url"
] | [
"url"
] |
6gvydr | How can a software 'age'? | As in "software aging", not as in software getting dated. EDIT : "all software's tendency to fail, or cause a system failure after running continuously for a certain time"-Wikipedia is what I'm asking about. | Technology | explainlikeimfive | {
"a_id": [
"diticjv"
],
"text": [
"So I had to google that article, and I still don't know why you didn't just link it, but ok. The article itself describes what they mean by it. Programs that run for a long time tend to fail at some point for simple reasons. The most important is, that any program that ... | [
"url"
] | [
"url"
] |
6gww06 | How does Stephen Hawking's speech device work? | Technology | explainlikeimfive | {
"a_id": [
"ditqac7"
],
"text": [
"URL_0 He uses a sensor that he can control with a muscle in his cheek to type on a computer. The cursor scrolls across the screen over the letters and he stops it when it gets to the right one, plus there is predictive text. Then a text to speech program plays it aloud.... | [
"url"
] | [
"url"
] | |
6gx0ue | How is golf filmed for live tv when as soon as the ball is hit the camera follows the ball in the air perfectly | Technology | explainlikeimfive | {
"a_id": [
"ditrdfh",
"diu6sj0",
"ditzekm"
],
"text": [
"There is a gadget, off camera behind the tee, called TopTracer. It's a radar ball tracking gizmo that measures the ball just after it is hit. This information on flight and spin is used with a model of how golf balls fly in the prevailing w... | [
"url"
] | [
"url"
] | |
6gxld5 | Why are cell phone carriers allowed to advertise "unlimited" plans that aren't actually unlimited? | Technology | explainlikeimfive | {
"a_id": [
"ditwze3"
],
"text": [
"They lay it all out in the details, its fine. They literally tell you exactly what the plan is. It will be something like this: Our new Unlimited^1 data plan! Get it today ^1 Unlimited means up to 10 GBs of data at full speed, then speed may be reduced to 128 kbps. This... | [
"url"
] | [
"url"
] | |
6gy8j3 | Why do we have to restart our PC after uninstalling an app? | Technology | explainlikeimfive | {
"a_id": [
"diu5795",
"diu3fpe"
],
"text": [
"Depends on the OS, most times, a restart is unnecessary, but in some cases it may be required. ###Windows: On windows, applications are stored as files and registry keys. Registry keys are never cleaned properly, and an unnecessary large amount(talking a ... | [
"url"
] | [
"url"
] | |
6gyrum | Why do video game developers take so long to come out with their game when it seems as though they have a nearly complete product at events such as E3? In essence, what takes them so long to revise that they need months after releasing game play footage? | Technology | explainlikeimfive | {
"a_id": [
"diu5736",
"diu5y2x",
"diu4vp5"
],
"text": [
"Are you talking about a video or a demo? It's easy to make the 'in-game' videos look great even with a half finished product, so long as the engine and a couple of major features are ready to run. In a video you won't be running into any bu... | [
"url"
] | [
"url"
] | |
6gzj7y | How do wifi extenders/boosters work? | Technology | explainlikeimfive | {
"a_id": [
"diu9zwn",
"diukuha"
],
"text": [
"A wifi extender works like a middleman. It is placed at a location where it is just in range of the main wifi router (say 10 meters). It connects to the main wifi router. It then itself creates another wifi network at this distant location of another 10 m... | [
"url"
] | [
"url"
] | |
6h0bmu | Why are electronic language translators so bad at their jobs? | Technology | explainlikeimfive | {
"a_id": [
"diunfu6",
"diugr8n",
"diuhcch"
],
"text": [
"Let's take a simple German sentence: * Knopf fest drücken. This has a particular grammatical structure: \"Knopf\" is a noun, \"fest\" is an adverb, and \"drücken\" is the infinitive form of a verb. This construction is used to give instruct... | [
"url"
] | [
"url"
] | |
6h0bow | How do you encrypt something like a phonecall where there aren't physical characters you can change like in a text message? | Technology | explainlikeimfive | {
"a_id": [
"diugcxp",
"diug5ua"
],
"text": [
"In the end it's all just data, 1s and 0s. Most encryption methods don't particularly need to know or care about what the data is. As far as it's concerned it's just a stream of numbers. So how does audio become a stream of numbers? Sound is a wave travell... | [
"url"
] | [
"url"
] | |
6h2ybl | What is actually happening when a computer/smartphone is booting? Why isn't it usuable immediately upon turning it on? | Technology | explainlikeimfive | {
"a_id": [
"div3urx",
"div3ib4",
"divw9x4"
],
"text": [
"When you interact with a computer, you're interacting with software that lives in \"memory\". However, for the vast majority of computing devices, memory can only retain the software while it receives power. There are other storage areas on... | [
"url"
] | [
"url"
] | |
6h2zw5 | is there any advantage of tv screen over PC monitor? | I mean other than price. Monitors have better input lag and display quality, i'm able to get 4k even if i don't have enough space for 42 inches. And will be updated as long as hdmi and display port Will be supported | Technology | explainlikeimfive | {
"a_id": [
"div455r"
],
"text": [
"The two main concerns with using a TV vs a monitor with a PC are input lag, as you mentioned, and resolution. On the latter point, the resolution isn't the only factor, but the *size of the screen*. When talking about 4K, you're only talking about the number of *pixels*... | [
"url"
] | [
"url"
] |
6h3hup | What are exactly rootkits? | Technology | explainlikeimfive | {
"a_id": [
"div8ibo"
],
"text": [
"Rootkits are bundles of software that can inject themselves into the operating system of the computer. They are almost universally considered malware. Computer viruses can be detected by antivirus software because they run as a separate \"process\". Antivirus software l... | [
"url"
] | [
"url"
] | |
6h3v2d | Can anyone make a cell phone tower with a carriers frequency to boost signal? | Technology | explainlikeimfive | {
"a_id": [
"divcx0o"
],
"text": [
"Technically yes, although it's fairly complex gear, you need the appropriate gear and you'd be in a pretty serious violation of whatever telecoms regulation exists in your country. Note that most telecoms won't have a way for you to legitimately connect to their network... | [
"url"
] | [
"url"
] | |
6h5rdn | What is a cyber domain, apart from being just a location where websites can be made? | I just can't wrap my head around it and Google only offers cyber warfare scenarios. What does that mean, in detail? | Technology | explainlikeimfive | {
"a_id": [
"divrjll"
],
"text": [
"The word domain is used for a number of unrelated concepts both within computer science and in other subjects also. A domain is always a portion of whatever you are taking about that works in a particular consistent way. When the links you saw in Google talk about the c... | [
"url"
] | [
"url"
] |
6h60mp | Is "paperless document" more energy efficient than a paper one? | I have wondered this for quite a while. Hosting documents on servers, consuming energy all the time, and more each time you send/fetch data. But if you have something on paper, it is statically there. You can put it away and it will not consume anything anymore? So which way is it? | Technology | explainlikeimfive | {
"a_id": [
"divso6f",
"divt3x6"
],
"text": [
"Yes, also it's not just electricity, think of the water, land. Electricity can be renewable as well, its over 80% renewable here in New Zealand",
"A server ( any pc is good if have a raid disk) can host an almost illimitate amount of documents. Also, ... | [
"url"
] | [
"url"
] |
6h6v28 | How was animation added to real life footage in films like Mary Poppins? | Technology | explainlikeimfive | {
"a_id": [
"divz0qs"
],
"text": [
"Frame by frame. They would draw and paint the animation on clear cells that they would then lay over the film footage. It was exceedingly slow and that's why some people still revere old animation-it was extremely laborious. This also created awkward interaction though.... | [
"url"
] | [
"url"
] | |
6h7pez | How do they convert plastic bottles into shirts? | I recently saw some shirts that said they were made out of 5 recycled plastic bottles. The shirt is 95% polyester, and 5% spandex. How do they take a plastic bottle, chop it up and then make that into a fabric? | Technology | explainlikeimfive | {
"a_id": [
"diw4crl"
],
"text": [
"They probably melt it, and then send it through a series of extruders to stretch it out into whatever size threads they need, which are then woven into the sheets of fabric needed to be cut and produced into the clothing.The process can be done with just about anything,... | [
"url"
] | [
"url"
] |
6h8c43 | What moves a helicopter forwards? | Sounds dumb, but I cant figure it out. Propeller A for height, rear one for right and left, but what moves them forward? | Technology | explainlikeimfive | {
"a_id": [
"diwa4cl"
],
"text": [
"The tail rotor only controls the rotation of the helicopter (i.e. \"spinning in place\"). All other movement is determined by the main rotor. The main rotor blades aren't connected directly to the spinning shaft. They're attached to a plate. That plate has rods attached... | [
"url"
] | [
"url"
] |
6h8upp | How do mind-controlled prosthetics actually work? And how do they "feel" when worn? | Technology | explainlikeimfive | {
"a_id": [
"diwhohq"
],
"text": [
"Mind controlled prosthetics work the same way your current limbs work - actuators respond to signals sent by the brain. Normally, your actuators are your muscles and tendons. Starting out, you have very, very poor motor control(babies), and as your grow your brain gets ... | [
"url"
] | [
"url"
] | |
6h929x | Why do most MMO's have reset on a Tuesday? | I can vouch for FFXIV and WoW. I think Overwatch is also Tuesdays. What is it about a Tuesday? | Technology | explainlikeimfive | {
"a_id": [
"diwgjdc",
"diwg9hn",
"diwpfu7"
],
"text": [
"Balance of staff availability and user traffic. Regular tech staff only work Mon-Fri. With network support center running nights and weekends. You never change anything on Friday, thats just rule #1. You need Monday to catch up on everythin... | [
"url"
] | [
"url"
] |
6h9bon | How can a gaming headset reproduce 7.1 surround sound | I got got my first 7.1 capable headset and I'm blown away at the fact that I can actually tell the difference between someone in front of me vs. behind me in games. How? | Technology | explainlikeimfive | {
"a_id": [
"diwk2f9"
],
"text": [
"The sound is coming from same set of speakers (technically called drivers). However the sound is postprocessed and distorted differently based on if it's from front or back. Your ear is pretty much same as every other person's ear, so it changes sound basically same as ... | [
"url"
] | [
"url"
] |
6h9scy | How does the algorithm for music suggestions work? | On Spotify, the Discover Weekly playlist curated just for me based on the type of music I listen to is actually pretty good. How does a software figure out related music? Is it mostly just by genre or are other things like beats, tempo, etc considered somehow? | Technology | explainlikeimfive | {
"a_id": [
"diwmeb7"
],
"text": [
"There isn't just one algorithm. Likely it is a variety of techniques including genera and artist; if you like Taylor Swift then they will probably suggest Taylor Swift songs and other pop artists. But another easy way is to ask you to pick a genera and then throw some s... | [
"url"
] | [
"url"
] |
6heklm | How does a router decide what inbound packets should be routed to which machine? | Well, let's assume Alice and Bob are both browsing the Internet on devices connected to the same router within the local network and they are both communication with the same external server. (I don't know if that matters, but the router can't distinguish traffic based on server's IP in this case.) How does the router ... | Technology | explainlikeimfive | {
"a_id": [
"dixnzxi"
],
"text": [
"By port number. When the router rewrites the source IP address, it also assigns a random port number (and remembers it). When the packets come back, they're addressed to the the port the router assigned so the router can then look up which device on its network it used ... | [
"url"
] | [
"url"
] |
6hfeqk | Why is individual key mapping always possible for keyboard while console games only let you pick different schemes? | Technology | explainlikeimfive | {
"a_id": [
"dixv1hm"
],
"text": [
"Individual key mapping is not always available, some games have fixed controls or schemes, it's just far less common. Many console games allow full customization, it's just far less common. It's simply a convention for PC games to offer more customization as there's mor... | [
"url"
] | [
"url"
] | |
6hjb44 | What's the difference between a low end motherboard and a high end motherboard? | Other than ram capacity, size, memory slots, onboard wifi and audio, and other basic features, are there any big differences between them? Thanks for all the answers guys! If I've learned anything, you shouldn't cheap out on any part in your PC, because they are all important. | Technology | explainlikeimfive | {
"a_id": [
"diyrds3",
"diytk60"
],
"text": [
"Better solder Better parts in general Better/stronger material Better heat/conductivity",
"The motherboard is a bit like a traffic system, with data being moved from the GPU, hard drives, memory, processors, ect. across your motherboard. A better moth... | [
"url"
] | [
"url"
] |
6hk13v | How do games like Overwatch and Battlefield 1 (and others) allow you to play the games while still downloading? | I presume they install the core data and files first and then download the cosmetics and graphics related files towards the end, but how does my game handle the new files when it is already running? | Technology | explainlikeimfive | {
"a_id": [
"diz3i5k"
],
"text": [
"You decide to order a boardgame online. You get your friends together every week to play. The package arrives, you find out that the the fancy game pieces are being shipped separately because they were heavy. However your friends are still there, you find that the box y... | [
"url"
] | [
"url"
] |
6hkhdf | Why have so many car models gotten so rounded looking? | As the title says, I've recently noticed how so many different car models that used to be boxy looking have gotten new body styles that are super round, like the Honda CR-V, Toyota Rav4, Honda Pilot, and some others I can't think of. Is there a reason for this other than people like the way it looks more, because I thi... | Technology | explainlikeimfive | {
"a_id": [
"diz0zb9",
"diz5ro6"
],
"text": [
"Aerodynamics designed with the aid of computers. In the past cars were designed to look aerodynamic, and they hoped they actually were. Now adays they simulate airflow over the car body and actually find the aerodynamic shapes. However since physics is th... | [
"url"
] | [
"url"
] |
6hlt1j | If crypto currency mining is so profitable, why aren't more people doing it? | I am trying to learn a lot about the crypto currencies out there and I would love to get more involved in it. I am hesitant though. I have always believed that if something sounds too good to be true, then most likely it is. This is where I get stuck with mining. Most coin miners seem to provide a a gauranteed pay off,... | Technology | explainlikeimfive | {
"a_id": [
"diz95po"
],
"text": [
"It's not profitable at all. The time for that is largely passed. The only profitable mining operations are large scale where people can take advantage of economics of scale stuff. You wont make more in bitcoin than you pay in electricity with even a damn good home rig. ... | [
"url"
] | [
"url"
] |
6hlw2y | Why are telecom lobbyists currently so much more successful than tech lobbyists? | Most people seem to take it as given that the telecom companies are the ones who pushed through the FCCs changes to Net Neutrality - given that major tech players (with combined, and sometimes even individual, market caps far greater than the major telecom players) are dead set against this, how did the telecom compani... | Technology | explainlikeimfive | {
"a_id": [
"dizd5b3"
],
"text": [
"Telecom is a regulated industry. Every company that is successful in that business is successful because they work within the rules and lobby to get the rules they want. They all have to work together because they are highly regulated. They have a common enemy, the cons... | [
"url"
] | [
"url"
] |
6hmn3m | What does the 'end task' command do differently than normally exiting out of a program? | Technology | explainlikeimfive | {
"a_id": [
"diziqge",
"dizfj8l",
"dizk6hx",
"dizhmt6",
"dizjmmn"
],
"text": [
"There are three main ways to stop a program. You can quit from inside the program. The program does whatever it's programmed to do when you click quit, saving data and closing files and such normally. You can u... | [
"url"
] | [
"url"
] | |
6hmrgj | Varied times in automated response from bots | Especially bots on Reddit. Sometimes, a bot might reply to my comment within seconds of my posting, and sometimes it will reply days later. I understand that bots can be programmed to check for valid comments only at scheduled times or delay posting a reply to a valid comment for some amount of time. However, I don't t... | Technology | explainlikeimfive | {
"a_id": [
"dizgiiu"
],
"text": [
"- The server running the bot's scripts is down - If the bot is serving multiple people/reddits/discords/etc : too many people making requests - Some other tasks are scheduled and run before your request - If it's poorly coded, I guess"
],
"score": [
6
],
"te... | [
"url"
] | [
"url"
] |
6ho813 | Can radio stations track the number of people listening, and if so, how? | Technology | explainlikeimfive | {
"a_id": [
"dizt1te"
],
"text": [
"There is no way for stations to know who is listening because the communication is completely one way. URL_0"
],
"score": [
4
],
"text_urls": [
[
"https://www.reddit.com/r/explainlikeimfive/comments/1j168q/eli5_how_do_radio_stations_know_how_many_p... | [
"url"
] | [
"url"
] | |
6hoopj | why some videogames take a long time to install but other games can be put in and played instantly | For example the wii plays games without any installation but games on the Xbox and PlayStation take time to install | Technology | explainlikeimfive | {
"a_id": [
"dizxbnf"
],
"text": [
"If it has to install, that means it's putting at least some (but usually most, I think?) of the game files on the consoles hard drive and then running the game off that. The game doesn't need the disc to play after that but makes you insert it anyway as a form of simple... | [
"url"
] | [
"url"
] |
6hrz9g | How do graphics card manufacturers such as NVIDIA and AMD upgrade and make new and better cards? | This has been bothering me since I started PC gaming. | Technology | explainlikeimfive | {
"a_id": [
"dj0pr76"
],
"text": [
"The two main ways graphics card manufacturers make better cards are One: More transistors(Explanation of what a transistor is URL_0 ). If you think of the graphics card as a pipe through which water flows then finding ways to put more transistors on a card is basically ... | [
"url"
] | [
"url"
] |
6huxnv | What is cryptomining and how does it work? | Technology | explainlikeimfive | {
"a_id": [
"dj1gbhj",
"dj1frrk",
"dj1n00w"
],
"text": [
"I did it for a while. There's a lot to it, but here's how I can simplify it easiest: There's a complicated math problem that a lot of people are trying to solve. You run a program called a miner on your computer that repeatedly tries to fin... | [
"url"
] | [
"url"
] | |
6hwz1e | Why does water-resistance change with time? | In [videos]( URL_0 ) that test the waterproof ability of a phone, a common test is to put the devices in a small tub of water and see how long they'll function. However, all this would seem to test is if there is a leak in the seal of the phone. I don't see how this could be a valid test without any depth or pressure c... | Technology | explainlikeimfive | {
"a_id": [
"dj20qan"
],
"text": [
"Because the waterproof ability you are speaking of is dependent on the RATE of water entering the device. If it were a matter of testing which one got water in it first, you would be right because technically a hole is a hole. Two devices, one with a big leak and one wi... | [
"url"
] | [
"url"
] |
6hz54e | Why are analog wrist watches so complex with so many individual components? | Technology | explainlikeimfive | {
"a_id": [
"dj28ge8"
],
"text": [
"A mechanical wrist watch is using lots of tiny precision components and have only been around for about a hundred years. However it is not very complex. There is a spring as a power source, a very precise pendulum to keep time, an escapement that make sure the spring is... | [
"url"
] | [
"url"
] |
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