Split (1)

train · 14k rows

q_id stringlengths 6 6	title stringlengths 4 294	selftext stringlengths 0 2.48k	category stringclasses 1 value	subreddit stringclasses 1 value	answers dict	title_urls listlengths 1 1	selftext_urls listlengths 1 1
6sappg	How does an SVG file look good at any resolution whereas, a JPEG or PNG can only be scaled a certain amount?		Technology	explainlikeimfive	{ "a_id": [ "dlbbobp", "dlbbmj6" ], "text": [ "SVGs are vector graphics. Essentially it contains shapes, while JPEGS and PNGs are bitmap, which means they're a giant table where each cell has a color. Shapes are shapes, but zoom in enough and those cells are going to start looking like cells. So an ...	[ "url" ]	[ "url" ]
6sciis	why it takes longer to install something than uninstall it.		Technology	explainlikeimfive	{ "a_id": [ "dlbo5e4", "dlbo0nq", "dlbq1ku" ], "text": [ "It takes longer to create something than to destroy it. Installing a program requires copying files and extracting compressed files. Uninstalling a program mostly involves deleting files. Deleting a file is simple - the contents of the file...	[ "url" ]	[ "url" ]
6sf5fu	How do films and shows make people appear on fire without causing injury?		Technology	explainlikeimfive	{ "a_id": [ "dlcevnc", "dlc8nws", "dlcml3o" ], "text": [ "If you ever visit one of the Universal Studios parks, they demonstrate this technique as part of their special effects/stunt shows. It's a little surreal watching a guy literally on fire 10 feet in front of you, but they explain a lot of th...	[ "url" ]	[ "url" ]
6sgeu9	How does my phone never "freeze" while my computer "freezes" on a consistent basis?		Technology	explainlikeimfive	{ "a_id": [ "dlcjzmi", "dlcjmby" ], "text": [ "Well, theres a few factors here. 1)Phones are pretty closed off from the outside- There are very few internet auto-downloaders, popups, etc. that function on phone browsers, unlike on computer browsers. Apps available for download are all (mostly) examine...	[ "url" ]	[ "url" ]
6sgh73	How are today's engines different from engines 20 years ago and older which have lower average output for their displacement?		Technology	explainlikeimfive	{ "a_id": [ "dlcka5w", "dlcn6an", "dlclthz" ], "text": [ "Today's engines use a lot more electronics to handle performance. Things like variable valve timing, dual cam, electronically controlled ignition. Add that with direct injection over fuel injection or carburation. Modern engines operate smo...	[ "url" ]	[ "url" ]
6shhe8	How they secure phone lines and what makes them secure		Technology	explainlikeimfive	{ "a_id": [ "dlcroii" ], "text": [ "Typically the line itself wouldn't be secure, the two end points(phones) would be. You'd have a card or some other encryption method that scrambles the communication, so if one were able to tap in and listen, all they would hear is a garbled mess. The phone on the other...	[ "url" ]	[ "url" ]
6smlef	why is diesel engines considered more efficient compared to gasoline engines?		Technology	explainlikeimfive	{ "a_id": [ "dldvgfc", "dldv71a" ], "text": [ "It's not just considered; they are more efficient. The advantage comes down to a thing called compression ratio, which is the difference in cylinder volume between bottom dead center (when the piston is furthest from the cylinder head, and the fuel/air ...	[ "url" ]	[ "url" ]
6sn23s	why has nasa's curiosity rover only travelled 10 miles in the space of 5 years.		Technology	explainlikeimfive	{ "a_id": [ "dldzade", "dle2j0x", "dldz5vj", "dledhnf", "dldzg24" ], "text": [ "Because its goal isn't to travel; it already landed where it needed to be. It drives a few inches, takes pictures and soil samples and does related testing. It would need to travel really long distances in orde...	[ "url" ]	[ "url" ]
6snn3h	Why does it take several minutes of charging for a dead iPhone to come alive when a laptop can do so instantly?	Isn't an iPhone essentially a tiny laptop?	Technology	explainlikeimfive	{ "a_id": [ "dle3z5y", "dle46sl" ], "text": [ "A laptop has circuitry that allows it to be powered directly from the charger. But, cell phones are always powered by the battery, even when they're plugged in. So, the battery has to get to a base level of charge before it can safely power the phone.", ...	[ "url" ]	[ "url" ]
6snw61	How did the internet work under the AOL era?		Technology	explainlikeimfive	{ "a_id": [ "dle7h8b", "dle7rtl", "dleav34" ], "text": [ "AOL wasn't the internet at first. It was an Online Service. The internet still existed and if you had a real internet connection, there isn't much different than today (you tended to use your phone company like Sprint). Your ISP's DNS would...	[ "url" ]	[ "url" ]
6sphzv	How to figure out Solar needs.	Please explain to me, like I am five, how to figure out the amount of solar panels one would need and the amount of batteries if they were needing a 2500 Watt system with a battery bank for 960 Amp hours (24V) using a MPPT controller and inverter. I get so lost in the whys and hows; I do not understand at all.	Technology	explainlikeimfive	{ "a_id": [ "dlem1mp", "dlesndm" ], "text": [ "Most panels are rated in kW. Size your array to hold enough panels so their rattings add to your required kW. A standard panel we specify all the time is a 2.5kw panel. For sizing the inverter and panels etc you are going to need an engineer Source: work ...	[ "url" ]	[ "url" ]
6sqxyg	How does Caller ID work? Why can't we just 'update' it to fight scams involving spoofing of phone numbers?		Technology	explainlikeimfive	{ "a_id": [ "dlevtng" ], "text": [ "Caller ID v2 exists. It actually does fight the spam by directly polling the original dialing number, not just the final dialog number. Unfortunately it's not profitable to use this. There's a cost involved for updating software, and companies often make money from thos...	[ "url" ]	[ "url" ]
6srr2d	After detecting a missile launch, how does a country know if it's an attack or just a test?		Technology	explainlikeimfive	{ "a_id": [ "dlf1meu", "dlf34z3", "dlg3e4q", "dlfgfrr", "dlf1k2f", "dlfcumi", "dlfusaa" ], "text": [ "Normally they tell the other country they are launching a missile. [Though sometimes they forget and there's a bit of a nuclear scare]( URL_0 ). So far this hasn't torched off a nu...	[ "url" ]	[ "url" ]
6st7o0	Why do PCs/Phones slow down drastically when there is only little main storage free?		Technology	explainlikeimfive	{ "a_id": [ "dlfke7w" ], "text": [ "When you have multiple programs running on one system, collectively they need more RAM than is available to the entire system. Modern operating systems undergo what's known as a \"Page Swap\" to temporarily write some of what is stored in RAM to the hard drive in order ...	[ "url" ]	[ "url" ]
6stey2	Computer memory storage questions	How is it that in the 60's it would take a whole room to store something as miniscule as 1 mb, but now I can store 64-128 GB in my pocket?	Technology	explainlikeimfive	{ "a_id": [ "dlfi5n4", "dlfdslb", "dlfcol1" ], "text": [ "The hardware got smaller, basically. A megabyte might be \"miniscule\" by today's standards, but it's still 8,388,608 bits (keeping in mind that a bit is a single 1 or 0). You must store each bit physically, somehow. In the 50's and 60's [m...	[ "url" ]	[ "url" ]
6stst5	How does AdBlock work so well that companie lose billions a year because of it with no way to stop it. Why can nobody bypass it?		Technology	explainlikeimfive	{ "a_id": [ "dlffk0u" ], "text": [ "Most ads are not hosted on the same server as the content (ie, an adsense ad being displayed on URL_0 ). This fact already essentially makes it trivial to block 99% of ads. Also, in your example of the pop up that blocks access, that is actually an example of that site ...	[ "url" ]	[ "url" ]
6sxuua	Why does a laptop/desktop make noise while switched on but phones/tablets are silent when switched on, yet they are all computers with similar parts?		Technology	explainlikeimfive	{ "a_id": [ "dlgdk95", "dlgdm63" ], "text": [ "Laptops and desktops use active cooling with fans, and may have mechanical drives which produce noise. Tablets and phones only use solid-state storage and passive cooling without moving parts such as fans. Due to this they have more limited performance an...	[ "url" ]	[ "url" ]
6sz9jp	How can a projector spraying light at a white surface create the colour black?	Since black is the absence of light, wouldn't a projector be emitting nothing in the black sections of the frame? Wouldn't this just show up as the same colour as the screen you're projecting onto?	Technology	explainlikeimfive	{ "a_id": [ "dlgpckf", "dlgpujg", "dlgr8nc" ], "text": [ "Yes. This is why you need to dim the lights when using a projector. So that the unlit parts look dark.", "The white color of the screen is indeed always the darkest 'black' color that will appear in the projection. It's all relative. Th...	[ "url" ]	[ "url" ]
6szajs	Why are there so many "security" updates for MS Office	Why does a seemingly simple software suite require so many security patches?	Technology	explainlikeimfive	{ "a_id": [ "dlgpkj4" ], "text": [ "The software is a lot more complex than it may seem. One of the main reasons security updates are so important for MS Office is because it is possible for people to embed 'macros' and other types of code/functions within word or excel documents that may be executed on t...	[ "url" ]	[ "url" ]
6t1hwh	How did old cartoons like "The Flintstones" put audio into the show since computers storage was so small back then		Technology	explainlikeimfive	{ "a_id": [ "dlh4vfz" ], "text": [ "They didn't use computers at all. They recorded to tape, just like all audio recording was done back then. The audio (dialog, effects, music) would be mixed using an analog mixer and then mastered to a final tape, which would then be encoded on the master videotape (or ...	[ "url" ]	[ "url" ]
6t1jaa	How do cartoonist sync up the voice actors with the drawings?		Technology	explainlikeimfive	{ "a_id": [ "dlh99eo", "dlh60nr" ], "text": [ "I'm an animator! I can answer this! Most of the dialogue for a cartoon is recorded and sequenced before any drawing takes place. The visuals must reflect what the voice actors were trying to convey, so the drawings are done after any recording sessions to...	[ "url" ]	[ "url" ]
6t23u6	How do countries test their nuclear weapons without doing substantial damage to the earth?		Technology	explainlikeimfive	{ "a_id": [ "dlh9yxa", "dlhdwoq", "dlhbnq1" ], "text": [ "They test them in a desert, at sea, underground, or somewhere else very remote. And substantial damage to the earth has been done, some would say. The US basically destroyed Bikini Atoll with H-bomb tests back in the 50s. We literally kicke...	[ "url" ]	[ "url" ]
6t2k1g	why apple products need to be updated every other week		Technology	explainlikeimfive	{ "a_id": [ "dlhen49", "dlhf2cb" ], "text": [ "Because they (Apple) are finding bugs in their code constantly (and sometimes, feature upgrades - but mostly bug fixes). The same reason Microsoft releases updates to Windows monthly.", "There are different reasons for that. 1) security reasons: Apple...	[ "url" ]	[ "url" ]
6t2sdq	How are webcams easily hacked on different devices and what to do to prevent this across all internet connected devices?	My grandparents are using me as "tech support" as they're getting more familiar with technology. They heard about hacking cameras and microphones (and other cyber security risks), and i'm not familiar with how this is accomplished, nor how easily it can be done. I'm sure a lot of people could benefit from being more aw...	Technology	explainlikeimfive	{ "a_id": [ "dlhh8d0" ], "text": [ "Person with an IT security background here! So, one thing out the gate, they're NOT easily hacked. Well, not any easier to get at then the rest of the device, like stored documents etc. In order to access the cameras or microphone of a gadget, you need to have it run so...	[ "url" ]	[ "url" ]
6t36ms	Why is cell service so erratic in the mountains? Mountains don't move, so why is the connection not constantly good or bad?		Technology	explainlikeimfive	{ "a_id": [ "dlhn90x", "dlhp508" ], "text": [ "For one, rock and other materials on a mountain can block signals (akin to how yiu might Not Have service underground in a tunnel due to the dirt and stone. Secondly, On rigid mountains, it can be hard for cell companies to place anntenas, as they usually...	[ "url" ]	[ "url" ]
6t428k	How do tokens work? How does a machine (i.e: arcade game, subway turnstile, etc) distinguish one token from another, or from a similar sized coin in general?	I found a roll of tokens in my desk at work from a previous employee and I'm curious if they would work in another arcade's machines.	Technology	explainlikeimfive	{ "a_id": [ "dlhrv8t", "dlhs7ft", "dlhs33m" ], "text": [ "Typically, this is done by size and/or weight. There will be elements of the machine that will evaluate the coin by one or both of these metrics to see if it is \"valid\" - it will return it if it is not. Odds are, the tokens will work just...	[ "url" ]	[ "url" ]
6t5jo8	If my brain has 86 billion neurons why can't we make a integrated circuit with 86 billion transistors?	Considering transistors are incredibly small and my brain isn't all that big.	Technology	explainlikeimfive	{ "a_id": [ "dli3i13", "dli35dp", "dli897v", "dlisqti" ], "text": [ "Each neuron can have up to 9 connections. And a transistor can have 2. A transistor having 2 connections can get 2 states, off an on. While a neuron can have up to 9 connections or 9!=362,880. That means one neuron is approxi...	[ "url" ]	[ "url" ]
6t7ag9	What is an USB-C port?		Technology	explainlikeimfive	{ "a_id": [ "dligwm8" ], "text": [ "[Type A]( URL_3 ) is the standard USB you find in all computers. There's a difference in speed between generation 2.0 and 3.0 or even 3.1, but their functionality is the same. Type B is usually found in its [micro form]( URL_2 ) on a lot of smartphones. [Type C]( URL_1 ...	[ "url" ]	[ "url" ]
6t927p	What are the factors that determine your internet speed?		Technology	explainlikeimfive	{ "a_id": [ "dlj753i" ], "text": [ "For a given Internet connection (say, streaming a YouTube video), the following factors determine your speed: - The efficiency of the data encoding. This is often quite close to 100%, but for some protocols (e.g. emails with base64 at 67%) it's significantly less. - Cry...	[ "url" ]	[ "url" ]
6t9g3b	What would happen to a phone's screen rotation if it was used on the ISS?		Technology	explainlikeimfive	{ "a_id": [ "dliwek8", "dliwayk" ], "text": [ "It probably wouldn't rotate. There's a gizmo inside of phones called an accelerometer, which is designed to detect acceleration in any direction. But here on earth, it's always detecting acceleration in at least one direction due to gravity pulling on i...	[ "url" ]	[ "url" ]
6td3zr	We went from 2g to 3g to 4g LTE relatively quickly. What is 5g and why have consumers not seen it yet? What's taking so long?		Technology	explainlikeimfive	{ "a_id": [ "dljr13c", "dlk0ec8" ], "text": [ "We didn't switch that quickly in the past. 3G networks started rolling out in 2002 and 4G networks started rolling out in 2010. It may have seemed faster because there were \"3.5g\" bumps in the middle, like the rollout of HSPA+. In the last year or so, a...	[ "url" ]	[ "url" ]
6tdd9t	Why is CGI/special fx in movies more noticeable when being played on tv?		Technology	explainlikeimfive	{ "a_id": [ "dljwikm" ], "text": [ "Could be because most tvs either run PAL (25 fps) or NTSC (29.97 fps) formats, whereas cinemas typically run at 24 fps. The more frames per second, the more detail your brain gets and so the easier it is to see the special fx and sets etc." ], "score": [ 3 ], ...	[ "url" ]	[ "url" ]
6tfcjb	Why do a lot of mobile and desktop news sites have this 'read more' button? Why not just display the whole article?		Technology	explainlikeimfive	{ "a_id": [ "dlk7td3", "dlkkzto", "dlkb91f", "dlk9y4o", "dlk7zdl" ], "text": [ "because it is a click that can be counted as traffic, as well as a refresh to load more or new ads", "The one thing it does, even if it does not reload more ads, is give the site an indicator of whether or ...	[ "url" ]	[ "url" ]
6tgpag	If Flash and Java plugins are going to be removed from Firefox and Chrome, why can't they make "good" versions of the plugins that will still work?	I understand that Chrome and Firefox want to remove Flash and Java because of something about them being a security risk (and something about NPAPI and PPAPI or something like that). Is it not possible to make a "good" version of these plugins that isn't a problem? I know that it's better to use HTML5 than to use a plu...	Technology	explainlikeimfive	{ "a_id": [ "dlkigso", "dlkr3uh", "dlklr0k" ], "text": [ "The problem isn't with the plug-ins but rather security issues with the core languages of Flash and Java. Mozilla (which makes Firefox) and Google (which makes Chrome) feel that there aren't ways to make safe use of those languages for web-...	[ "url" ]	[ "url" ]
6tgx5r	What happen if I shut down my computer during an update ?		Technology	explainlikeimfive	{ "a_id": [ "dlkkk2o", "dlkkd4q", "dlkju09" ], "text": [ "It depends. In most cases it will be fine and the update will have to be redone sometime later. However in some rare cases you might break something. An update does a series of different changes to the computer. Doing changes to files, repl...	[ "url" ]	[ "url" ]
6thc99	Why can't a brute force attack break cryptography key?		Technology	explainlikeimfive	{ "a_id": [ "dlknqww", "dlkn62u" ], "text": [ "For simplicity sake, lets say your password can be any letter, uppercase or lowercase, both are different, and the numbers 0 through 9. That gives us a total of 62 different possible numbers we can choose from, in reality, it is a bit more with added symb...	[ "url" ]	[ "url" ]
6ti4vd	why do screens use red, green, and blue, but printers use magenta, yellow, and cyan?		Technology	explainlikeimfive	{ "a_id": [ "dlktuq4" ], "text": [ "Screens are black by default, and it adds different amounts of each color to make white. On print, the paper is reflecting white light already, and you are subtracting what colors reflect by adding ink that absorbs them. Think of magenta not as giving off reddish/blue...	[ "url" ]	[ "url" ]
6tii7l	How does a router's NAT service know which internal client to forward incoming packets to, if more than one internal client is talking to the same external server?	I understand the basics of NAT, but if two devices on an internal network are using the same external server (such as two tablets watching a different YouTube video), how does NAT differentiate between the two packets meant for different clients, if they come from the same external server?	Technology	explainlikeimfive	{ "a_id": [ "dlkxfgw" ], "text": [ "It abuses the fact that internet packets can list 2 ports, a source port and a destination port. Interestingly the same applies as to how the computer knows which program the reply packet was sent for. Not sure if you know about ports, so here is the quick rundown, port...	[ "url" ]	[ "url" ]
6tip10	How come an usb-c 85w apple charger can charge a phone or a tablet without blowing it up? How does the power supply know how much power to feed?		Technology	explainlikeimfive	{ "a_id": [ "dlkyibf", "dlky9lt" ], "text": [ "The same reason your 1800W wall outlet doesn't blow the crap out of your laptop charger The charger doesn't provide power The charger provides a fixed voltage, the load draws as much current as needs at that voltage. The wattage rating on the power su...	[ "url" ]	[ "url" ]
6tjh66	How do we take pictures of things in space millions of light years away from us?		Technology	explainlikeimfive	{ "a_id": [ "dll6rkb", "dll7v0w" ], "text": [ "We point a camera at it, and wait. Because the light from such distant objects is very dim the exposure time must be very long. The famous Hubble Deep Field picture took 342 separate exposures over 10 days.", "Think about the time difference between l...	[ "url" ]	[ "url" ]
6tjqad	Why is 'ground' in electrical circuits named 'ground'?		Technology	explainlikeimfive	{ "a_id": [ "dll7fpx", "dlli0uc", "dlla2iy" ], "text": [ "Because it's literally bonding a spot in the circuit to ground via a pipe or rod that goes into the ground.", "These are both true, but in differenct circumstances: > Because it's literally bonding a spot in the circuit to ground via a ...	[ "url" ]	[ "url" ]
6tjwzy	Why do some edges of the laptop screen "hide" the mouse while others do not?	i.e. If I move the cursor all the way to the right, it disappears behind a secret wall of darkness. If I move the cursor all the way to the left, the cursor can't leave the screen.	Technology	explainlikeimfive	{ "a_id": [ "dll944g", "dllgkfw" ], "text": [ "The corner of the cursor is the pixel that is the focus of a click. To reach the right-most pixels, it has to go off screen. I'm pretty sure I used to have a windows 95 theme installed that actually flipped the cursor when it was too low or too far right....	[ "url" ]	[ "url" ]
6tk1n9	How do live television shows (e.g. America's got talent, American idol, talk shows, etc.) keep all of their video and audio synced up with so many cameras and so many mics going at once?		Technology	explainlikeimfive	{ "a_id": [ "dllafvr" ], "text": [ "They use a system which generates a timecode. This timecode is fed into each recording device. Since every recording has the same base timecode, they are all synchronized perfectly." ], "score": [ 6 ], "text_urls": [ [] ] }	[ "url" ]	[ "url" ]
6tnjbq	Why do some wind turbines, when all faced the same direction, turn while others do not? Furthermore, why do they all seem to turn at the same speed?		Technology	explainlikeimfive	{ "a_id": [ "dlm1egq", "dlmcjmk", "dlmjru1", "dlmegbh", "dlm67xv" ], "text": [ "They might not be turning for at least two reasons: 1) they have been commanded offline for maintenance, because the power isn't needed, ...; 2) the local wind sensor on the turbine doesn't detect the minimum w...	[ "url" ]	[ "url" ]
6tophf	the point of changing your network's password if it can be hacked anyway.		Technology	explainlikeimfive	{ "a_id": [ "dlmbat7", "dlm9vsr" ], "text": [ "What's the point of locking your door at night if someone can break it down or enter through the window anyways? Why not leave your keys in the car if someone can break in and hotwire it anyways? It's a deterrent. There's no point in a hacker to spend hou...	[ "url" ]	[ "url" ]
6tp7fa	How does a Transistor work and why is it so important?	According to a recent ask reddit thread, most people don't know what a Transistor is, and apparently the transistor is the building block of modern tech. Help!	Technology	explainlikeimfive	{ "a_id": [ "dlmg8ry", "dlmfbdk", "dln6q6d", "dlmiqi1", "dlmip81", "dlmifef", "dlmkwwr", "dlmp4db", "dlmonpm", "dlmvh9a", "dlnhw2o", "dlnbku9", "dln9s0r", "dln7slv", "dlmmogx", "dln5dsc" ], "text": [ "I'll tackle the \"why first\". So, a computer...	[ "url" ]	[ "url" ]
6tpv0u	How do Radio Stations know which songs the listeners like?		Technology	explainlikeimfive	{ "a_id": [ "dlmk4zk" ], "text": [ "There was an AMA not too long ago with a radio DJ who basically said that the music companies (like clear channel which probably owns most the radio stations you listen to) just decides what is going to be popular and then pushes the songs. This is why you might hear ...	[ "url" ]	[ "url" ]
6trn3f	Why hasn't man returned to the moon since 1972?	Our technology now is so much better and we should be more easily able to get people there.	Technology	explainlikeimfive	{ "a_id": [ "dln0ntx", "dlmz4b5" ], "text": [ "Yer not alone in askin', and kind strangers have explained: 1. [Why haven't we been back to the moon in 44 years? ]( URL_0 ) 1. [ELI5: why hasn't there been a man on the moon since 1972? ]( URL_5 ) 1. [ELI5: Why have humans not returned to the moon since ...	[ "url" ]	[ "url" ]
6trols	what technology exists to help us shoot down and protect ourselves from nuclear missiles, and how effective is it?		Technology	explainlikeimfive	{ "a_id": [ "dlmzqb1" ], "text": [ "There are three (known) systems in place by the US. One ship based, that sits near a potential launch site, trying to knock it down as it boosts up, and two land based ones that attempt to intercept the missile later in its flight. None are considered reliable. If anyth...	[ "url" ]	[ "url" ]
6trtsb	How is computer code "coded"?		Technology	explainlikeimfive	{ "a_id": [ "dln0qc3" ], "text": [ "Yer not alone in askin', and kind strangers have explained: 1. [ELI5: how are computer programming languages (Java, Python, C/C) actually developed? ]( URL_1 ) 1. [ELI5: How was the first computer program made if there was no program to make it in? ]( URL_5 ) 1. [ELI5: ...	[ "url" ]	[ "url" ]
6tuhqw	How do phones and computers transfer audio to headphones?		Technology	explainlikeimfive	{ "a_id": [ "dlnkisw", "dlnkk9h", "dlnsv71" ], "text": [ "Sound is transmitted as a voltage signal through wires. The voltage changes just like the soundwave, and this goes into tiny magnets in headphones, or speakers, or telephones. The magnets shake the speaker back and forth as the voltage chan...	[ "url" ]	[ "url" ]
6tvzdv	Why are there no milibytes?	You have megabytes, kilobytes, gigabytes, terabytes, so on so forth. Would milibytes be somewhere between bits and bytes? Or are bits milibytes? EDIT 1: Yes I know I'm retarded. EDIT 2: 1k views! As an autistic that is ONE achievement ¬.¬	Technology	explainlikeimfive	{ "a_id": [ "dlnx0lk", "dlnx1xy", "dlnxjru" ], "text": [ "The bit is the smallest increment, its a single 0 or a 1. 4 bits strung together becomes a nibble. 2 nibbles strung together become a byte 1024 bytes become a kilobyte 1024 kilobytes become a megabyte But one cannot divide a single bit into...	[ "url" ]	[ "url" ]
6tw4p9	Why are traffic lights run by massive computer boxes when something as small as a raspberry pie could operate a basic traffic program ?		Technology	explainlikeimfive	{ "a_id": [ "dlnyykq", "dlny6g0", "dlo6976", "dlnzlct" ], "text": [ "Those giant cabinets you see on the side of an intersection aren't filled with processors for the traffic signal. Most of the space inside is either empty air or the giant cables that carry signals and power around. The signa...	[ "url" ]	[ "url" ]
6txafu	Why can't you name a folder in Windows 'con'?		Technology	explainlikeimfive	{ "a_id": [ "dlo8lb3", "dloxln1" ], "text": [ "Con is a reserved keyword for console aka the command prompt. You also can't make files for other reserved names PRN, NUL, COM1, LPT1, etcetc", "It's one of the magic filenames inherited from DOS, all the way from the 80s, before Windows was a thing e...	[ "url" ]	[ "url" ]
6txmn1	How do robo-callers and scammers route calls through local phone numbers?		Technology	explainlikeimfive	{ "a_id": [ "dlob0mc" ], "text": [ "Caller ID is not secure; the originator of the call can fill in a fake \"from\" number. That's what they do." ], "score": [ 3 ], "text_urls": [ [] ] }	[ "url" ]	[ "url" ]
6txune	Why do emulators emulate, not simulate?	Emulation brings a host of issues with it, and we know every last detail of most old consoles and computers as far as I'm aware. Surely a modern processor could simulate almost anything made before the year 2000. So why not do it? Note that when I say simulation I mean literal simulation: a software representation of e...	Technology	explainlikeimfive	{ "a_id": [ "dlogm9e", "dlod352" ], "text": [ "emulation is much simpler. You maybe have 100 instructions to emulate, with their associated effects. Imagine trying to get the interconnects right for 50,000 transistors in code. One mistake and your \"chip\" doesnt work.", "Modern processors are goo...	[ "url" ]	[ "url" ]
6u032p	Why is it so Hard for HBO to prevent Game of Thrones episodes from leaking ?	They've done it again , episode 6 out 4 days before premiere . HBO is a wealthy company and can afford the best cyber security and what not , but every season its episodes are getting leaked. We dont see the same happening for other series made by other companies.	Technology	explainlikeimfive	{ "a_id": [ "dloxwq7", "dlp3918", "dlow5rg" ], "text": [ "> HBO is a wealthy company and can afford the best cyber security Cybersecurity is totally irrelevant. None of the episodes were leaked by hackers. A company in India has the rights to broadcast Game of Thrones there. HBO send each episode ...	[ "url" ]	[ "url" ]
6u0n2o	Why is python most popular language in AI?	AI has been a hot topic and most of the libraries and APIs found are python compatible. Why don't we see languages like C or JAVA as much in AI as python?	Technology	explainlikeimfive	{ "a_id": [ "dlp169z" ], "text": [ "Python is a higher-level language that is easy to write and format; the syntax is basically like writing in English. When you're doing a big complex task like designing AI algorithms, it helps to have those functions be easily readable and debuggable; Python is hard to ...	[ "url" ]	[ "url" ]
6u245l	How is video evidence supposed to be taken seriously as technology advances?	They can some pretty incredible things today with camera tricks and computer programming. Also how can you trust that its unedited video?	Technology	explainlikeimfive	{ "a_id": [ "dlpal26", "dlptl59" ], "text": [ "It is a long time since photos and video on its own have been admissible in court. What is needed for photos to be used in court today is a well documented chain of custody that describes who have handled the data and what exactly they did with it. Anyone...	[ "url" ]	[ "url" ]
6u2g5s	If cryptocurrencies are a better method of tracking transactions and money movements, how do they get stolen?	From what I have read, a major benefit to cryptocurrencies is the transparency they provide in leaving a trail of movement. If this is the case, then how are people able to steal / hack currencies without them being able to be traced?	Technology	explainlikeimfive	{ "a_id": [ "dlpdigh" ], "text": [ "If you want to move crypto, but you don't want it traceable, you use a tumbler. Suppose your bitcoin is in wallet A. You tell the tumbler that you want that bitcoin to move to wallet B. The tumbler tells you to send your bitcoin to wallet C. Then, once the tumbler sees ...	[ "url" ]	[ "url" ]
6u309v	Why do torrent sites make it so difficult to find the actual link to download the torrent by adding fake buttons that just open ad windows?		Technology	explainlikeimfive	{ "a_id": [ "dlphu2z", "dlphtqw", "dlphuz6" ], "text": [ "They get as revenue from you clicking incorrect links. They want to make money for hosting purposes.", "Because torrent sites don't care if you can download what you're looking for. They just want their ad money.", "Because they get...	[ "url" ]	[ "url" ]
6u5cx2	Is it actually bad to leave electronic devices on charge while on and/or overnight? If so, why?		Technology	explainlikeimfive	{ "a_id": [ "dlq1zjo", "dlq1trb" ], "text": [ "It depends on the device. Devices with smart battery management chips are fine left on their chargers indefinitely. They cycle the battery properly and keep it at optimum charge. Devices without these chips, like cheap rechargeable toys, can be damaged if...	[ "url" ]	[ "url" ]
6u7zbu	How my 8GB RAM can run files and games as large as 50GB?		Technology	explainlikeimfive	{ "a_id": [ "dlqnd8w", "dlqndfz", "dlqt2jl" ], "text": [ "Not all of the program is loaded into RAM at once. Only portions are loaded as needed from the disk. It is also possible to define portions of the disk as as being \"virtual memory\" where it is treated as if it was real RAM but is actually...	[ "url" ]	[ "url" ]
6u9h1b	Why do you get cellular coverage over a much larger area than 3G or 4G coverage?		Technology	explainlikeimfive	{ "a_id": [ "dlrdk6e" ], "text": [ "All modern cell service is digital. A normal voice call uses a relatively low data rate (it's variable, but it's something like 10-20 kbps). A good LTE connection can be more than 1,000 times that data rate. For a given carrier frequency, using a higher data rate means ...	[ "url" ]	[ "url" ]
6uaage	Why do some commercials in commercial breaks start playing, and then immediately cut off by another commercial?		Technology	explainlikeimfive	{ "a_id": [ "dlr490e", "dlr4avt", "dlra8oz" ], "text": [ "National networks sometimes run local/localized ads targeted at a particular area; so for instance, I live in DC and back when I actually watched TV, I'd see ads for local businesses even if I was watching CNN or Cartoon Network; When I was...	[ "url" ]	[ "url" ]
6ue3jk	How do Peer-to-Peer Connection in Games Work?	For games like Warframe and For Honor, what is the "structure" or "path" of the connections between the game servers, the host player, and the connected players? How is this different from games with dedicated servers?	Technology	explainlikeimfive	{ "a_id": [ "dls1hfn", "dlrzfgr" ], "text": [ "So the terms \"dedicated server\" and \"peer to peer\" can mean both the way players connect to each other, and where the \"game logic\" runs... I will use the term \"computer\" to generally mean \"PC or console\". In dedicated server games, there is ...	[ "url" ]	[ "url" ]
6uejdk	the difference between torrents and streams		Technology	explainlikeimfive	{ "a_id": [ "dls2t8v", "dlsaqmv" ], "text": [ "A stream is designed to be watched live (and generally once). For example youtube. You can watch it, but you must go back to the website to watch it again, you are not downloading it. A stream is also hosted on a server. So a site like google or HBO inves...	[ "url" ]	[ "url" ]
6ueosj	Why are there so few aircraft remaining from World War II? Aircraft were built in quantities that are hard to comprehend, yet many models have vanished entirely.	This is strange because today we have boneyards filled with hundreds upon hundreds of every type of modern aircraft retired. Why do we not have boneyards like that with WWII vehicles?	Technology	explainlikeimfive	{ "a_id": [ "dls4sv3", "dls3zue", "dls4t11", "dls5fvy" ], "text": [ "WW2 ended in a period of hyper-rapid aircraft development. New high tech fighters and bombers were practically obsolete by the time they were deployed. A new front line fighter type could be expected to serve for only a few y...	[ "url" ]	[ "url" ]
6ufccg	How did Jurrasic Park have such good cgi in 1993?		Technology	explainlikeimfive	{ "a_id": [ "dls9qps", "dlsqo1w", "dlsghoo", "dlsck09", "dlsh8tb", "dls9kie", "dlslqkw" ], "text": [ "It really didn't. Jurassic Park mainly used animatronics ('life-like' robots) and old fashioned special effects. Then it just came down to a lot of planning and a REALLY good quali...	[ "url" ]	[ "url" ]
6ufosy	how does someone get access to all the music in the world to be able to start a business or app, much like I < 3 Radio. [technology]		Technology	explainlikeimfive	{ "a_id": [ "dlsc6dv" ], "text": [ "You approach the people with the rights to the music (i.e. record companies, labels, artist groups, licencing companies, artists, etc) and get permission (a license) to use their music. This would be a MASSIVE undertaking (both in terms of time and money), especiall...	[ "url" ]	[ "url" ]
6uggq6	Why are there GSM and CDMA phone lines? Is it more beneficial to have one then the other? Why isn't there just one kind of phone line?		Technology	explainlikeimfive	{ "a_id": [ "dlsj8td" ], "text": [ "GSM and CDMA are mobile phone standards. GSM stands for Global System for Mobile Communications (it originally stood for Groupe Spécial Mobile but they changed it). GSM uses Time Division Multiple Access (TDMA) as a way of allowing multiple devices to share frequencies....	[ "url" ]	[ "url" ]
6uh5pv	In metal gear solid you fight against an enemy named Psycho Mantis. He has the abilities to make the controller vibrate, fake a corrupt data, and force you to change the side the controller is plugged in. How do game programmer's do that and work on every console the game is played on?		Technology	explainlikeimfive	{ "a_id": [ "dlsmdp7", "dlsm6a9" ], "text": [ "The game originally only came out on PS1. The point of games consoles is that they are all the same. Or at least they designed to be effectively all the same for game programmers. Sony provided APIs (Application Programmer's Interface) to do things like m...	[ "url" ]	[ "url" ]
6uir1d	Why USB 3.1 Gen 2 SSDs (Like the new T5) Only Transfer at 540MB/s?	I'm about to buy an SSD to use for editing on my MacBook (Yes the one with the controversially low number and variety of ports). All of those ports (USB-C Thunderbolt 3) Support speeds of 10Gb/s, which according to [this]( URL_0 ) website is 1250 MB/s. As far as I can tell, the new T5 takes advantage of this tech and i...	Technology	explainlikeimfive	{ "a_id": [ "dlszske", "dlsyvtt", "dlsya3m", "dlsz619" ], "text": [ "USB 3.1 gen2 supports 10Gbps. A highway supports 500mph? So why can't all cars that use the highway go at 500mph and are limited to say 150mph? Same thing. Usb3.1g2 is simply an interface specification. Like a highway. It's u...	[ "url" ]	[ "url" ]
6um6di	How does Apple know whether or not a charging cable is "certified"?		Technology	explainlikeimfive	{ "a_id": [ "dltqdzu" ], "text": [ "There s a chip inside the lightning cable that tells the phone that its a legitimate chip approved by apple, if the phone doesn't see this, then its not legit. Yes it can be hacked, thats how some knockoff cables from China were introduced." ], "score": [ 6 ],...	[ "url" ]	[ "url" ]
6um7b7	how does keeping the AC on continuously during the summer save money?	I've always heard that you should just leave your A.C. on instead of turning it off when you're not home, or even at night. I've heard that if you keep turning it off, you're making the unit work harder every time you turn it back on, thus making your electricity bill higher.	Technology	explainlikeimfive	{ "a_id": [ "dltqrzm" ], "text": [ "It doesn't. Here's a [debtroundup]( URL_1 ) article that I'll quote from, their answers come from an HVAC tech: > The myth: Leaving your air conditioner on all day will help save money in the long run by not having to kick start it each and every time you turn it back o...	[ "url" ]	[ "url" ]
6unjj5	For old times' sake I recently pulled my ps2 out of my storage and plugged it in for the first time in over a decade. To my surprise the time and date was still correct to this day.how it managed to keep time for so long while being in a state of no power.		Technology	explainlikeimfive	{ "a_id": [ "dlu12sn" ], "text": [ "There is a tiny battery with just enough power to keep the memory running. It must also power the internal clock (they are usually watch batteries. It was a really sad day when my pokemon gold internal battery died, I'm happy to hear your ps2 one is still working." ],...	[ "url" ]	[ "url" ]
6us2n7	How come when someone tries to open a car door at the same time that someone unlocks the door, it won't open/unlock?		Technology	explainlikeimfive	{ "a_id": [ "dluzqdd" ], "text": [ "Does not happen in modern cars. There's a latchkey in older cars that, if you tension the door lock wire at the wrong time, will cause it to go flaccid - which will result in the door lock not opening. So you press the lock button, it tenses an actual wire, and if the d...	[ "url" ]	[ "url" ]
6utr1b	How come 3D modeling software will take hours to render a single high quality image of a car, while a video game like Gran Turismo or Forza will display 30 images per second that look just as good?		Technology	explainlikeimfive	{ "a_id": [ "dlvc2z0", "dlvbxfb", "dlvd1nv" ], "text": [ "they don't look just as good. they're way less detailed. but you don't notice because you're not scrutinizing the detail of how the detailed the ferrari badge looks when you're going around the road.", "I could be wrong, but I believe t...	[ "url" ]	[ "url" ]
6uwmw9	What makes GPUs (stuff like NVIDIA and AMD cards) so much better than the generic integrated cards (Intel HD cards) in normal laptops and computers?	Have been PC gaming for a few years. Recently upgraded to a laptop with an NVIDIA graphics card. As you'd expect the increase in performance was huge. How come these dedicated GPUs give such increased performance? What differentiates then from the integrated stuff found in normal laptops? (eg the Intel HD range) Also a...	Technology	explainlikeimfive	{ "a_id": [ "dlvx0x9" ], "text": [ "They're processors, not like RAM (memory storage). What differentiates them are two things: integrated GPUs are built onto the same die as the CPU itself, and integrated GPUs share system RAM. Discrete GPUs come with their own memory. The upside that makes integrated gr...	[ "url" ]	[ "url" ]
6ux4ne	Why do some micro USB cords charge certain devices but not others?	I have many micro USB cords and devices that they charge. Some cords will work to charge certain devices, but then won't work at all to charge my phone, vape, ps4 controllers, etc. Sometimes I'll have a cord that works to charge a device for a while and then all the sudden it just won't charge that device any longer (b...	Technology	explainlikeimfive	{ "a_id": [ "dlw87lz", "dlwbimc" ], "text": [ "USB is an open standard, but there's nothing stopping people from putting their own proprietary protocol on it. so the cable will physically fit, but the software doesnt recognize it and refuses to interact with it", "First, proprietary charging pro...	[ "url" ]	[ "url" ]
6v15ky	Why you shouldn't take Eclipse photos with your smartphone if you can normally take pictures of the full sun without any problems		Technology	explainlikeimfive	{ "a_id": [ "dlwy6ag", "dlx23oj", "dlx22cz", "dlx1k5i", "dlx2fgp", "dlx5rwy", "dlx4n9n", "dlx6xg3" ], "text": [ "The main issue is not your phones camera, but the risk of you looking at the eclipse for too long, looking directly at the sun during the day by itself is already a ...	[ "url" ]	[ "url" ]
6v24jm	Why is that sometimes when you click a link, it does not load at all and takes a very a long time but when you refresh it, it just loads instantly?	First time posting here. Would like to know more about this topic.	Technology	explainlikeimfive	{ "a_id": [ "dlx3ibb" ], "text": [ "First time you connect to a website there is a lot of things happening behind the scenes. There are DNS lookups, service discovery, encryption negotiations, etc. But if you visit the site again then most of this information is cached. Your browser also caches a lot of t...	[ "url" ]	[ "url" ]
6v5fu8	Zero/No Knowledge Encryption	I've tried to find online resources explaining this but I still cannot get my head around it. What is it and how does it work? Thanks	Technology	explainlikeimfive	{ "a_id": [ "dlxryfr" ], "text": [ "A Zero-knowledge proof is a system that allows you to prove that you know a secret (such as your password) without telling the secret itself (in any form). Real world examples require a lot of complicated maths (as encryption generally does). A simple example could be a...	[ "url" ]	[ "url" ]
6v7c44	What goes into remastering a song?	I've been enjoying listening to Mothership by Led Zeppelin recently. It got me wondering what changes are made when remastering those old songs. Is it just simply adjusting eq levels and adding compression? Or is it more complicated than that?	Technology	explainlikeimfive	{ "a_id": [ "dlyuap5" ], "text": [ "The concept of a \"master\" goes back to when vinyl records were the most common form of recorded music to be sold. The common process was to record each artists performance on magnetic tape. You would have the drums, guitars, strings, vocals, etc all recorded on indivi...	[ "url" ]	[ "url" ]
6v7mhv	Why a portable game console like Nintendo Switch, can play games so well but a equally priced computer cannot.		Technology	explainlikeimfive	{ "a_id": [ "dly9j38", "dlyivo7", "dlyjk3k", "dly6yms", "dlyblvy", "dlyge7q" ], "text": [ "Many reasons: * Gamers often tends to have powerful PCs so they can run all types of games. Gamedevs may choose to exploit this extra power (depending on market) to flesh out their games a bit mo...	[ "url" ]	[ "url" ]
6v7x16	What is NAT and what does it do / what is static NAT?	What is NAT - what exactly does it do? And what is a static NAT and what does that do? Tried looking it up but the definitions weren't very eli5-friendly.	Technology	explainlikeimfive	{ "a_id": [ "dly9pe5" ], "text": [ "You have a single Internet connection, and you only get a single address from your Internet Service Provider, but you have multiple devices that you want to connect to the Internet- your laptop, your phone, your game console, and so on. One way to connect multiple devic...	[ "url" ]	[ "url" ]
6v8p7r	Why is it harder in fps games to aim at a target that is above you, than at a target who is below you or on level ground?		Technology	explainlikeimfive	{ "a_id": [ "dlyi22z", "dlyly24" ], "text": [ "Aiming works by setting your inclination with up/down movement and rotation with left/right movement. When you are aiming level your left/right movement with the control device matches with what happens on the screen. The more you aim up or down the less ...	[ "url" ]	[ "url" ]
6v9mgf	Why does the "strength" of a password matter?	Why would a password like "RandomWord123" be considered weaker than a randomly generated one like "WYDQF0f1Ccr & !sO5". I understand passwords like "12345" could get bruteforced, but with keyloggers and people hacking into databases does it even matter how strong a password is?	Technology	explainlikeimfive	{ "a_id": [ "dlyl8hj", "dlylanq", "dlyl59q", "dlylj5l" ], "text": [ "> but with keyloggers and people hacking into databases does it even matter how strong a password is? With keyloggers you are correct, it doesn't matter how strong your password is, if you have a keylogger installed then it w...	[ "url" ]	[ "url" ]
6v9r2r	If I log in to other sites with my facebook account, what will happen to my accounts is Facebook goes bankrupt?		Technology	explainlikeimfive	{ "a_id": [ "dlymbu4" ], "text": [ "This is an open issue. Your saving graze is that companies usually does not go bankrupt without any warning. So you will likely have time to change over your account if that were to happen. In fact the likely reason for Facebook to go bankrupt is if the users are desert...	[ "url" ]	[ "url" ]
6vb7pe	How do TOTP apps and cards work? You can scan a QR code to pair, press a button on a card a few times but how does it know to pair to a specific program or app, and how can each one work 100% of the time?		Technology	explainlikeimfive	{ "a_id": [ "dlyw7lq" ], "text": [ "TOTP works like this: 1. Generate random string: KlObowfX8trAVzd8 2. Choose a timebase. Eg, current UNIX time: 1503411873 3. Choose interval. Eg, 60 seconds. So we're in interval 1503411873/60 = 25056864 4. Choose algorithm. Eg, SHA-1 5. Calculate SHA1( KlObowfX8trAVzd8...	[ "url" ]	[ "url" ]
6vcr6j	how is 4% spandex combined with 96% cotton?		Technology	explainlikeimfive	{ "a_id": [ "dlz8i9w" ], "text": [ "When cotton is turned into fabric, it is twisted by a loom into tiny little threads. These threads are then twisted around each other to make stronger threads. This just means 4 out of every 100 threads is made of spandex, which gives the mixed fabric more stretchiness....	[ "url" ]	[ "url" ]
6veq6h	How does an antivirus recognize a virus?	Is there a particular giveaway that says "This is malware!!"? How does the antivirus differentiate between malware and any other foreign software (i. e. not part of the OS).	Technology	explainlikeimfive	{ "a_id": [ "dlzpx8e" ], "text": [ "Most antivirus software works using two main methods: The first is a giant list of known viruses and what they look like. Viruses are programs and each particular kind stores their data in the same sorts of places every time. When scanning the antivirus can just search ...	[ "url" ]	[ "url" ]
6vfjhi	In networking, what is the three way handshake process used to establish and terminate TCP connections	I'm completely lost here guys, would appreciate some eli-5 explanation so i can grasp this concept.	Technology	explainlikeimfive	{ "a_id": [ "dlzwl1p" ], "text": [ "Computer A sends a SYN packet to Computer B saying \"Hey, i want to SYNchronize and talk with you!\" Computer B then replies to Computer A with a SYN-ACK packet that says \"I ACKnowledge you want to SYNchronize with me\" Computer A then replies with an ACK that is effec...	[ "url" ]	[ "url" ]
6vfo5o	How do scammers from India get a hold of phone numbers from United States and Europe?		Technology	explainlikeimfive	{ "a_id": [ "dlzypwc", "dlzy4wp", "dlzzl5n" ], "text": [ "You can purchase huge databases of names & numbers from marketing companies. Or you can look on torrent servers for the same for free. Or you can just sequentially wardial numbers. Out of all of the scam calls I've gotten over the years, on...	[ "url" ]	[ "url" ]
6viij7	How does a military vessel like a destroyer fail to detect a cargo ship heading their way?		Technology	explainlikeimfive	{ "a_id": [ "dm0g9cp" ], "text": [ "They are supposed to have multiple people on watch at all times watching the radar, radio, AIS as well as look out the windows. So people are questioning how this can happen to four different ships in the last few months. One clue is that all ships were under the same c...	[ "url" ]	[ "url" ]
6viyt7	What is SMTP?	I am currently doing a research for my boss re: email campaigns and has come across the term called SMTP. I tried to understand what Wikipedia is trying to explain, but I just can't quite grasp it. Help?	Technology	explainlikeimfive	{ "a_id": [ "dm0j6uh", "dm0jfh1" ], "text": [ "STMP stands for Simple Mail Transfer Protocol. It is the common language (protocol) used by both email clients and servers to understand each other and be able to send emails. Imagine that you were building a new Outlook application. You would need to \"s...	[ "url" ]	[ "url" ]
6vjemq	Why does Nintendo produce extremely limited runs of products like the NES Classic and SNES Classic?	Why did Nintendo release such a limited run of the NES Classic when they could have sold many more? Is it something to do with the parts? Is it to create hype? I saw that the SNES Classic preorder sold out in about thirty seconds on the Target site. Doesn't this strategy encourage reselling, potentially alienating loya...	Technology	explainlikeimfive	{ "a_id": [ "dm0njsi", "dm0nbl4" ], "text": [ "Nintendo has been in the habit of under-shipping their hardware since the NES days. Back then it made sense; if you can't find it in the store it must be popular! Nowadays it's ridiculous because of how much we're used it near-instant gratification via Am...	[ "url" ]	[ "url" ]
6vk1f6	Can the shape of earbuds damage your ears/hearing.	I was wondering if, even without music playing, having some earbuds in your ears can cause permanent damage to your ears. For example, I have some rubber tipped earbuds that are very comfortable but just about any time I use apple earbuds my ears are sore afterward (because of their shape). Can just the shape cause dam...	Technology	explainlikeimfive	{ "a_id": [ "dm0sglu" ], "text": [ "It could if you decide to jam something that does not fit into your ear. Imagine a ten centimeter diameter hole in piece of paper, now imagine trying to fit a 20cm diameter rod through that same hole, it's going to rip the hole if forced through. TLDR: one size does not...	[ "url" ]	[ "url" ]
6vk3k8	Horse Shoes	What are they for, how do they attach without hurting the horse, and how can wild horses go without them?	Technology	explainlikeimfive	{ "a_id": [ "dm0slqt", "dm0ucda" ], "text": [ "Horse shoes are nailed into the hoof, which is a solid mass of fingernail like material that feels no pain. Wild horses don't need them because they're always on dirt or grass, soft surfaces. Working horses walk a lot more and spend time on pavement or gr...	[ "url" ]	[ "url" ]
6vlnkp	Why is it that, even though 3G worked fine just a few years ago when it was the only option, using 3G now is hardly better than having no signal at all?		Technology	explainlikeimfive	{ "a_id": [ "dm18e3a", "dm1uzcq", "dm29f38" ], "text": [ "Years ago sites were SUPER basic. They were really tiny and optimized to be small and fast to load. As bandwidth increased, developers seized the opportunity to make them more complex and visually appealing which also added to their size fa...	[ "url" ]	[ "url" ]

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