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aesyay
according to law of conservation of energy, does your car consume more gas with headlights turned on?
I mean, it's a littlebit more energy needed for the lights. Or does it consume the same and the motor runs with little less power?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/aesyay/eli5_according_to_law_of_conservation_of_energy/
{ "a_id": [ "edsa6ef" ], "score": [ 19 ], "text": [ "Yes it does, but the additional amount is miniscule. For example a small motor would produce say 40kW - a headlamp consumes typically 55W. So maybe 0.14% extra load." ] }
[]
[]
[ [] ]
9tduux
why did the germans invade russia in the coldest time of the year?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9tduux/eli5_why_did_the_germans_invade_russia_in_the/
{ "a_id": [ "e8vj5yj", "e8vjbcw" ], "score": [ 4, 2 ], "text": [ "They didn't. The invasion started on June 22nd. Which is probably later than you should be invading Russia, but still spring/summer. The problem was that the war wasn't won before winter.", "They didn't. The WWii invasio...
[]
[]
[ [], [] ]
577la6
how do the pronunciation sections beside words in dictionaries and encyclopedias work?
I've never know what any of those symbols mean or how it's supposed to relate to a sound. For example, I just came across a Wikipedia article in another thread about a Lovecraftian centaur called the "nuckelavee." Wikipedia says it's supposed to be pronounced /nʌklɑːˈviː/ ....... What the fuck am I supposed to do with ...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/577la6/eli5_how_do_the_pronunciation_sections_beside/
{ "a_id": [ "d8pmlpb", "d8pmm0n", "d8pndl8", "d8ppunf", "d8q0f3n", "d8q59gw" ], "score": [ 12, 2, 2, 2, 3, 2 ], "text": [ "That's called the International Phonetic Alphabet, or IPA. The idea is that it's an objective way to describe pronunciation that works ...
[]
[]
[ [ "https://en.wikipedia.org/wiki/Help:IPA_for_English" ], [ "https://en.m.wikipedia.org/wiki/International_Phonetic_Alphabet" ], [ "http://www.thefreedictionary.com/_/pk.htm" ], [ "http://www.internationalphoneticalphabet.org/ipa-sounds/ipa-chart-with-sounds/", "https://en.m.wikipedi...
1pt33l
what exactly do car spoilers do?
I've never really understood the purpose of a spoiler. Does it even have a function? Why are some raised and others attached right to the trunk? Why do some cars like Toyota and Mazda and Mitsubishi come with it attached?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1pt33l/eli5_what_exactly_do_car_spoilers_do/
{ "a_id": [ "cd5pz4o", "cd5q0bh", "cd5q16e", "cd5q18t", "cd5q8gx", "cd5suuw" ], "score": [ 13, 4, 4, 5, 2, 3 ], "text": [ "real spoilers are meant to provide downforce to the car to counteract aerodynamic lift. This is only a real effect at very high speeds...
[]
[]
[ [], [], [], [], [], [] ]
yj6fs
can someone with knowledge in economics please help me understand the deficit controversy?
I received a link to [this video](_URL_0_!) from a conservative relative. I suspect that what this person is claiming is grossly oversimplified and a bit alarmist; but I had trouble following what he was going for. Can anyone with more economic knowledge than me confirm or deny my suspicions, and explain why? I underst...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/yj6fs/can_someone_with_knowledge_in_economics_please/
{ "a_id": [ "c5w1ymt", "c5w2kwg", "c5w7r7h", "c5we3k8" ], "score": [ 5, 3, 9, 3 ], "text": [ "The budget was balanced for a few years in the Clinton presidency. So we don't even have to worry about theoretical macroeconomics here; the guy is objectively wrong that the budge...
[]
[ "http://www.youtube.com/watch?feature=player_embedded&v=EW5IdwltaAc#" ]
[ [], [], [ "http://www.cbo.gov/publication/21546" ], [] ]
1o7ct7
why don't humans have ape-feet?
By ape-feet I mean the hand-feet things that other primates have. Did human precursors have them and they were selected against? Why were they selected against? Or did the common ancestor not have them and the other apes developed them after the split?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1o7ct7/eli5_why_dont_humans_have_apefeet/
{ "a_id": [ "ccpfsr6", "ccpfx0m" ], "score": [ 2, 3 ], "text": [ "We've evolved to walk upright (every other ape species walks on both their hands and feet) and no longer use our feet and hands as interchangeable. We also don't spend a lot of our time climbing trees and so don't need feet...
[]
[]
[ [], [] ]
8y1uz6
what are all (or the most important) defining factors of intelligence quotient?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8y1uz6/eli5_what_are_all_or_the_most_important_defining/
{ "a_id": [ "e27emzz", "e27jqum" ], "score": [ 2, 2 ], "text": [ "Age is a big part. The expected performance is compared to typical performance at some age, which allows a 7 year old to score highly even though they’re unlikely to perform better in any aspect of a test than an adult. \n\n...
[]
[]
[ [], [] ]
2fjqn4
why are some people so obsessed with sports? even ones that never played the game or went to the school (in reference to college football)?
What makes is worse is how often they become aggressive and even violent. I dont understand!
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2fjqn4/eli5_why_are_some_people_so_obsessed_with_sports/
{ "a_id": [ "ck9vedm" ], "score": [ 6 ], "text": [ "They've incorporated it into part of their identity. Sports fans are offended because speaking poorly of their favorite team is speaking poorly of them, their teams victories and losses are their victories and losses. Notice how sports fans say \...
[]
[]
[ [] ]
2n9g77
why most lottery winners are poor after a few years
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2n9g77/eli5_why_most_lottery_winners_are_poor_after_a/
{ "a_id": [ "cmbjxuu", "cmbjz3m", "cmbjz60", "cmbk1ir", "cmbk30e", "cmbki18", "cmbkmvn", "cmbkvta", "cmbmvov", "cmbnz5x", "cmboczv", "cmbouxd", "cmbql77", "cmbqqae", "cmbrkxo", "cmbrnii", "cmbs8id", "cmbtmts", "cmbu0iu", "cmbvnnb", "c...
[]
[]
[ [], [], [], [], [], [], [], [], [], [], [], [], [], [ "http://www.reddit.com/r/AskReddit/comments/24vo34/whats_the_happiest_5word_sentence_you_could_hear/chb4yin" ], [], [], [], [], [], [], [], [], [], [] ]
7ezg8c
what are the chemical changes which occur in lithium ion batteries after prolonged usage which renders them unusable?
1. Why does charging time and backup time both decreases after few years of usage? 2. Why does battery percentage of old mobiles with Li ion batteries drop from say 60% to less than 10% suddenly?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7ezg8c/eli5_what_are_the_chemical_changes_which_occur_in/
{ "a_id": [ "dq8qjti" ], "score": [ 3 ], "text": [ "In general batteries are 2 different types of metals soaked in acid. The exact composition of the metals and acid determine the types of battery. In a perfectly rechargable battery, the chemical reaction that occurs when the battery is in use is ...
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[]
[ [] ]
ebsr2y
why do ear infections hurt so much?
When people get middle/inner ear infections, it hurts a lot. Why is that? I get that fluid builds up in there, but why does that trigger a bunch of pain?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/ebsr2y/eli5_why_do_ear_infections_hurt_so_much/
{ "a_id": [ "fb715id", "fb73o9p" ], "score": [ 8, 22 ], "text": [ "There are many nerves around the inner ear. Their job is to warn you. There are multiple very important tissues surrounding the ear, especially the brains, the cochlea and the vestibular system. It's very important to keep ...
[]
[]
[ [], [] ]
399rkj
would there be any downsides towards health or digestion if i blended all my food and eat/drink my meals in the form of a smoothie?
I've seen a video of a bodybuilder who will throw cooked chicken, rice, eggs, cabbage, milk, nuts, etc. Into her blender and pour the resulting liquid into a few bottles and drink her meals throughout the day instead of eating them, for the sake of saving time and for the ease of use/portability of meals. Can this be a...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/399rkj/eli5_would_there_be_any_downsides_towards_health/
{ "a_id": [ "cs1khgk", "cs1kwmb" ], "score": [ 4, 7 ], "text": [ "Look up Soylent. I believe it's fine. Biggest problem is people still feel hungry and crave real food. But sounds like that's not a problem for you. ", "The main problem with this is that satiety mechanisms in the body (...
[]
[]
[ [], [ "http://cibr.refrescantes.es/ka/apps/cibr/docs/06_2000_Solido_y_liquido_efecto_peso.pdf", "http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2197163/" ] ]
aevj8l
how do you make money by buying shares in a company?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/aevj8l/eli5_how_do_you_make_money_by_buying_shares_in_a/
{ "a_id": [ "edszw68", "edszz6g", "edt70e4", "edtbfcn" ], "score": [ 12, 4, 5, 2 ], "text": [ "Two ways:\n\n1. The value of those shares could go up in the future and you could resell them at a higher price than you bought them.\n2. Many companies pay a dividend where they ...
[]
[]
[ [], [], [], [] ]
7dahol
reusing blood during surgery
Hi reddit, first post here! I was watching a surgery where someone was bleeding out and required 10 blood transfusions (on House of course!). I'm wondering what makes the blood suctioned out of the chest/stomach area (but really most body areas, not like in the liver with bile...) unfit for reuse. Meaning, why can't ...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7dahol/eli5_reusing_blood_during_surgery/
{ "a_id": [ "dpwb86q", "dpwealo" ], "score": [ 4, 2 ], "text": [ "Blood can be reused, but it's a rather complicated and expensive process. \n\nWhen blood leaves the body, it starts to clot and is at a high risk of contamination if it's just pouring into the body cavity. In order for blood...
[]
[]
[ [], [] ]
1hd7w9
why it's called a semi truck.
If that's semi, what's a full truck look like?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1hd7w9/eli5_why_its_called_a_semi_truck/
{ "a_id": [ "cat6wd8", "cat76iv" ], "score": [ 34, 5 ], "text": [ "The \"semi\" doesn't refer to the truck. It's called a semi truck because it's built to carry what's known as a semi-*trailer*: a trailer which doesn't have front wheels on it, because it just slides on top of the truck. (T...
[]
[]
[ [], [ "https://en.wikipedia.org/wiki/Articulated_buses", "https://en.wikipedia.org/wiki/Road_train" ] ]
2z5brf
30's - 60's fascination with the future (à la retrofuturism) and how it disappeared
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2z5brf/eli5_30s_60s_fascination_with_the_future_à_la/
{ "a_id": [ "cpft4b9", "cpfugto", "cpfzrgi", "cpg8zqw", "cpgfy6p" ], "score": [ 51, 5, 16, 4, 4 ], "text": [ "It was the start of a lot of different technologies and innovations: widespread urban/suburbanization was increasing, the computer became a much more common...
[]
[]
[ [], [], [], [], [] ]
xxr6u
how india has more than 1 billion people and has only won 4 total medals in the olympics.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/xxr6u/eli5_how_india_has_more_than_1_billion_people_and/
{ "a_id": [ "c5qi2n8", "c5qj5bh", "c5qjdcj", "c5qmb08", "c5qmrel", "c5qmx9f" ], "score": [ 37, 19, 14, 15, 4, 2 ], "text": [ "A lot of what takes an athlete from 'naturally really good at a sport' to 'able to win a medal at the olympics' has to do with the i...
[]
[]
[ [], [], [], [ "http://www.theatlantic.com/international/archive/2012/08/neither-the-will-nor-the-cash-why-india-wins-so-few-olympic-medals/260693/" ], [], [] ]
eylgx9
why is the dvorak keyboard layout faster to type on than qwery?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/eylgx9/eli5_why_is_the_dvorak_keyboard_layout_faster_to/
{ "a_id": [ "fghwhwy", "fghzphs" ], "score": [ 5, 7 ], "text": [ "Because QWERTY was specifically designed to slow typists down back when typewriters were new and jammed easily. It was meant to prevent such jams.\n\nEdit: source: _URL_0_", "Bear in mind, the whole \"qwerty was to slow ...
[]
[]
[ [ "https://www.smithsonianmag.com/arts-culture/fact-of-fiction-the-legend-of-the-qwerty-keyboard-49863249/" ], [] ]
4hkfbr
if the white house correspondents dinner is for members of the press and dc politicians why do so many actors/celebrities/people in their 15 minutes get to go?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4hkfbr/eli5_if_the_white_house_correspondents_dinner_is/
{ "a_id": [ "d2qbxv1" ], "score": [ 2 ], "text": [ "It's a media/politics back-patting party so they invite cool celebrities so they can get pictures taken with cool celebrities." ] }
[]
[]
[ [] ]
2kg6ok
how are composers and producers able make hundreds of songs every year without running out of ideas?
Especially those who make music for film, games or TV. Original Soundtracks can have around dozens of songs, and if the composer works on several jobs a year, it can easily lead to like a hundred songs a year minimum... How do they do it?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2kg6ok/eli5_how_are_composers_and_producers_able_make/
{ "a_id": [ "clkzvsl", "cll0rhe" ], "score": [ 6, 2 ], "text": [ "The reality: music is not that complex. \n\nIf I had to knock out an OST (which I've done before, for student short films), I would follow a process like this. \n\nPick a scale. There's loads of scales out there to choose fr...
[]
[]
[ [], [ "https://www.youtube.com/watch?v=5pidokakU4I" ] ]
30jaw9
why aren't all cars protected with 360° of rubber bumpers, much like bumper cars at a carnival?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/30jaw9/eli5_why_arent_all_cars_protected_with_360_of/
{ "a_id": [ "cpsydpe", "cpsyfni", "cpsz4mh" ], "score": [ 14, 6, 5 ], "text": [ "Because it looks stupid and isn't really helpful in anything but the very slowest of bumps. It would be extra weight and aerodynamic inefficiency for very little gain.", "Cars are designed to crush...
[]
[]
[ [], [], [] ]
1jxjo4
the second law of thermodynamics ( law of entropy)
I've seen videos explaining it, and I still just don't understand it even though I feel like understanding is right within my grasp. So explain it like I have never heard of it before.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1jxjo4/eli5the_second_law_of_thermodynamics_law_of/
{ "a_id": [ "cbj9ryh", "cbj9swr", "cbj9vw4", "cbjbqq7", "cbjbwp5", "cbjda8u", "cbjducf" ], "score": [ 14, 3, 2, 32, 3, 3, 7 ], "text": [ "assume all particles are always moving (there is always thermal energy/heat).\n\n All energetic atoms and molecu...
[]
[]
[ [ "http://entropysimple.oxy.edu/content.htm", "http://www.askamathematician.com/2011/12/q-why-does-the-entropy-of-universe-always-increase-and-what-is-heat-death-of-the-universe/" ], [], [], [ "http://webs.morningside.edu/slaven/Physics/entropy/entropy3.html" ], [], [ "http://www.youtu...
7zkrmv
why people get a sinking feeling listening to music from their past
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7zkrmv/eli5_why_people_get_a_sinking_feeling_listening/
{ "a_id": [ "duor8w4" ], "score": [ 2 ], "text": [ "If you listened to that song in the past and at that time you were depressed, you brain maps that song to that feeling. And now every time you listen to that song, you feel sad/depressed/funny.\n\nThis is also called nostalgia." ] }
[]
[]
[ [] ]
18yi8r
how do wills actually work?
We're all probably familiar with the TV/movie trope - rich relative dies, leaves instructions on what to do in a video that should only be played in the event of death. Is this actually feasible? Are the terms agreed upon before the video is made? How can requests be honored in such a way?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/18yi8r/eli5_how_do_wills_actually_work/
{ "a_id": [ "c8j469z" ], "score": [ 3 ], "text": [ "I don't see any reason why a video will isn't feasible. It's possible a written will would need to be made as well with the instruction to play the video upon their death and follow the instructions given.\n\nThis is all worked out with a lawyer...
[]
[]
[ [] ]
b5cso0
how does one-way encryption for passwords work? how is it possible to convert text into a hash, but not be able to reverse engineer a hash back into text?
Trying to understand SHA-256
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/b5cso0/eli5_how_does_oneway_encryption_for_passwords/
{ "a_id": [ "ejcnf7j", "ejcnfkz", "ejcpcx3" ], "score": [ 3, 5, 2 ], "text": [ "A simple example is if for a number like 12345 calculate the hash as the sum of the digits so 1+2+3+4+5= 15. The hash is then 15 but that no way to determine that 12345 was the input. 69, 96, 555, 55...
[]
[]
[ [], [], [] ]
5djkwc
the 4 dissenting opinions in obergefell v. hodges
I read through them on wikipedia but i'm really tired and didn't get anything out of it thanks
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5djkwc/eli5_the_4_dissenting_opinions_in_obergefell_v/
{ "a_id": [ "da532hm", "da5n1r6" ], "score": [ 3, 2 ], "text": [ "This is the \"right to gay marriage\" case. The four dissenting opinions document four reasons not to decide in favor of this sort of \"right\".\n\nRoberts argued that too many \"new rights\" were being \"discovered\" by th...
[]
[]
[ [], [] ]
1dshk6
a file is often compressed to smaller size & then decompressed without any data loss. then why cant the file be of smaller size in first place?
Say I have a file of size 1 MB. I compress it to 400 kb. Now say I carry this 400 kb file to some other computer / email it / etc. And now when I decompress it, I get all that 1 MB of data with no loss whatsoever. So basically, that 400 kb file contained "all" the information within it? ** ------------------------...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1dshk6/eli5_a_file_is_often_compressed_to_smaller_size/
{ "a_id": [ "c9tej6p", "c9tekts", "c9tfp7e", "c9thd4x", "c9thtb7", "c9tiu8h", "c9tiywx", "c9tjgug", "c9tjro0", "c9tjuuz", "c9tjw84", "c9tk44g", "c9tkclt", "c9tkerv", "c9tm75v", "c9tn0pf", "c9togcx" ], "score": [ 140, 416, 2198, 75...
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[ [], [], [], [], [], [], [], [], [ "http://en.wikipedia.org/wiki/Lossless_compression#Limitations" ], [], [], [], [], [], [], [], [] ]
2rr3fd
why cant us navy laser defense systems be defeated by mirror coated missiles?
This also applies to mirror coated planes. I'm guessing that for stealthiness, you'd not really want to coat a plane in a mirror finish, but it would SEEM like for a specialty carrier destroying missile, a mirror finish might be acceptable.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2rr3fd/eli5why_cant_us_navy_laser_defense_systems_be/
{ "a_id": [ "cnig154", "cnigmpe" ], "score": [ 3, 2 ], "text": [ "A mirror does not reflect all the heat transfer of the laser and as soon as the mirror is slightly blanked it loses almost all of its reflective properties.\n\nShort answer the laser will melt right through it. ", "Well ...
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[]
[ [], [] ]
10d6ul
why is my internet connection 40mbps, but my little streamer box is all laggy and says 2.1 mpbs?
Am I doing something wrong? Can I make it faster? I just want to watch Breaking Bad!
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/10d6ul/eli5_why_is_my_internet_connection_40mbps_but_my/
{ "a_id": [ "c6cg4i0", "c6chgcy" ], "score": [ 2, 3 ], "text": [ "2.1mbps should be more than enough to stream breaking bad. ", "Youre connection is 40 megabits per second. However, you are streaming in megabytes per second. Basically, 40 megabits per second, is equal to about 5 megaby...
[]
[]
[ [], [] ]
33eq1z
how do authors get away with claiming that characters' resemblance to real people is "entirely coincidental" when they are obviously real people?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/33eq1z/eli5_how_do_authors_get_away_with_claiming_that/
{ "a_id": [ "cqk656t", "cqk6726", "cqk69lt" ], "score": [ 2, 3, 2 ], "text": [ "Yes, it is a work of fiction, so that it removes, or lessens, the change of being sued and also losing that lawsuit.", "Have you ever been behind a truck that is carrying gravel/rocks and they have ...
[]
[]
[ [], [], [] ]
u7usq
eli35: dragonball z
I'm 35, and a father of 2. My kids love this show and are always talking about it, but I have no fricking clue what the heck they're talking about. Freeza, nemeckians, super sayans, goat kids? And then there's a fat bubble gum guy who can't be beat? To me it's just a really weird show where someone keeps dying but wa...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/u7usq/eli35_dragonball_z/
{ "a_id": [ "c4t3p0q", "c4t3r4m" ], "score": [ 122, 2 ], "text": [ "Dragonball Z is a cartoon made from the Japanese comic books of the same name, and it was made in parallel to them. Because of this, the show was often catching up to the comics too fast, as apparently it takes longer to p...
[]
[]
[ [ "http://images1.wikia.nocookie.net/__cb20100511144956/dragonball/images/2/2e/KrillinNamekNV.png", "http://images2.wikia.nocookie.net/__cb20100504171241/dragonball/images/thumb/4/4a/FriezaFinalFormNV..png/250px-FriezaFinalFormNV..png", "http://media.giantbomb.com/uploads/1/12537/640347-db_goku_bulma.jp...
2fmjet
have there been any clues to help find amelia earhart? any parts of the plane found? conspiracy theories?
I know who she is and what she did and all...But how have we still not found any parts of her plane or anything nearly 80 years later?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2fmjet/eli5_have_there_been_any_clues_to_help_find/
{ "a_id": [ "ckanf2c" ], "score": [ 3 ], "text": [ "Do some googling: they are really sure they found her plane, her stuff, and even have a recording of radio traffic. When I went looking for the story, it was a great read. \n" ] }
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[]
[ [] ]
2rb3qd
why did i never used to get hungover when i first started drinking but now i almost always do?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2rb3qd/eli5_why_did_i_never_used_to_get_hungover_when_i/
{ "a_id": [ "cne766o" ], "score": [ 4 ], "text": [ "I think it mostly has to do with tolerance. When you first start drinking, it takes a lot less to get drunk. You also, presumably, have access to less alcohol. Now that you're all grown up, it takes more alcohol for you to reach a state of inebri...
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[]
[ [] ]
9ijqr6
why is it common for video game controllers to use abxy buttons instead of abcd or 1234? what's the origin of abxy?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9ijqr6/eli5_why_is_it_common_for_video_game_controllers/
{ "a_id": [ "e6k45mo", "e6k8vnl" ], "score": [ 66, 21 ], "text": [ "\"For the origins of the ABXY button scheme we must look back to the very beginning of additional buttons. When the Famicom (known as the Nintendo Entertainment System outside Japan) launched, it featured two primary butto...
[]
[]
[ [ "http://www.pushclicktouch.com/blog/?p=132" ], [] ]
3yhiym
what, if anything, are memories physically made out of?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3yhiym/eli5_what_if_anything_are_memories_physically/
{ "a_id": [ "cydiuxa", "cydnsqh", "cydycq3" ], "score": [ 6, 16, 3 ], "text": [ "The same thing that data on a hard drive is made of. Your brain and your computer both work on electrical switches, which exist in one of two states, either \"on\" or \"off\". A series of bits or nue...
[]
[]
[ [], [], [] ]
60sd22
how is such a small pill able to contain so many vitamins at such a large dose?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/60sd22/eli5_how_is_such_a_small_pill_able_to_contain_so/
{ "a_id": [ "df8xg9d" ], "score": [ 7 ], "text": [ "Vitamins are *micronutrients,* which means the amount your body needs is actually very tiny. The small pill contains a small amount, because that's all you need (or even several times as much)." ] }
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[ [] ]
3ptqt8
why do some electronics work better when you touch them?
For example, I have an FM radio transmitter in my car. Sometimes it'll get static-y and if I just touch it then the static clears up. Is there a reason for this?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3ptqt8/eli5_why_do_some_electronics_work_better_when_you/
{ "a_id": [ "cw9cf4y", "cw9ct1a" ], "score": [ 3, 5 ], "text": [ "Your body which is comprised of a lot of water does a great job of acting like an extended antenna. ", "/u/saxieguy gave the right answer. But why does it matter that your body is mostly water? \n \nWater is a \"pol...
[]
[]
[ [], [] ]
1m952j
why paper and photographs are predominantly rectangular rather than square shaped?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1m952j/eli5_why_paper_and_photographs_are_predominantly/
{ "a_id": [ "cc6xvfu", "cc6y8fz", "cc6yekj", "cc6zqdm" ], "score": [ 2, 11, 4, 7 ], "text": [ "Those \"reasons\" don't make a lot of sense...\n\n1. Why is it easier to handle a rectangle of film than a square? Why is it easier to cut a roll of film into rectangles? It would...
[]
[]
[ [], [], [], [ "http://i.imgur.com/hsuK22K.jpg" ] ]
ua7wj
stocks and shares
I'm trying to figure out what stocks and shares are about, google results are inconclusive, and my question is, what is stocks and shares?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/ua7wj/eli5_stocks_and_shares/
{ "a_id": [ "c4tmvvw", "c4tnqvo", "c4tnvu8" ], "score": [ 7, 3, 2 ], "text": [ "_URL_0_ here you go", "The short answer is that when you buy a stock in a company you own a piece of the company. That being so, you're entitled to a share of the company's profits. Most of the ti...
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[]
[ [ "http://www.reddit.com/r/explainlikeimfive/comments/jauzj/explainlikeimfive_stocks_and_the_stock_market/" ], [], [] ]
ag5odx
when does a monopoly become illegal? and what's the difference between trusts and monopolies?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/ag5odx/eli5_when_does_a_monopoly_become_illegal_and/
{ "a_id": [ "ee3sai1" ], "score": [ 2 ], "text": [ "When their business becomes so influential that they have an \"ownership\" status on the market" ] }
[]
[]
[ [] ]
b99399
what is the science behind people covering their faces, shielding their eyes and so on when they are embarassed?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/b99399/eli5_what_is_the_science_behind_people_covering/
{ "a_id": [ "ek31fxh", "ek329n2" ], "score": [ 5, 4 ], "text": [ "I wonder if this goes back to the child instincts of \"If I can't see them, they can't see me\"", "Part of it is that when people get embarrassed, their face gets red because of the increased blood flow towards it. Raisi...
[]
[]
[ [], [] ]
68tned
why does an x-ray of a finger cost over $150?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/68tned/eli5_why_does_an_xray_of_a_finger_cost_over_150/
{ "a_id": [ "dh15t72" ], "score": [ 2 ], "text": [ "There are a few things to consider. First, how much does an x-ray machine cost? How much for the film? How much for the trained operator, and the lead vest, and the shielded room in the hospital? How much for the doctor who reads the x-ray and gi...
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[]
[ [] ]
1ekeya
how listening to classical music is supposed to make us smarter
They say listening to classical music is supposed to help us become more intelligent, help us study, etc. but how exactly does that happen?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1ekeya/eli5_how_listening_to_classical_music_is_supposed/
{ "a_id": [ "ca14wpb", "ca15xck" ], "score": [ 3, 9 ], "text": [ "While there's not much evidence that merely listening to classical music has any lasting effect on its own, the act of learning music of all kinds increases other positive factors. It may promote attendance and school cultur...
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[]
[ [], [] ]
8dpab6
how does a passenger get sucked through an airplane window?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8dpab6/eli5_how_does_a_passenger_get_sucked_through_an/
{ "a_id": [ "dxovw0w", "dxovyj0" ], "score": [ 2, 2 ], "text": [ "Air pumps maintain high air pressure inside the plane, while the air pressure is low outside. So if a window breaks, there is a quite strong wind from inside to outside. Any object or person next to this hole could be carrie...
[]
[]
[ [], [ "https://en.wikipedia.org/wiki/Byford_Dolphin" ] ]
5w8lmo
how do we learn non expressible words as a child?
How do we learn how to use words like 'a' and 'the' as children? It seems hard to try and explain these words outright, so how do we begin to incorporate these words into our use of a language?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5w8lmo/eli5_how_do_we_learn_non_expressible_words_as_a/
{ "a_id": [ "de85av6" ], "score": [ 30 ], "text": [ "We learn very few words by having their definitions given to us. We learn most words by example or by ostension (pointing). So our parents say, \n\n\"Look at the firetruck!\" *and* \"There is a firetruck!\"; \n\nbut then they say \"Look at the w...
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[]
[ [] ]
1gmpnd
the protests in rio--specifically what is causing the unrest and why citizens are protesting the 2014 worl cup
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1gmpnd/eli5the_protests_in_riospecifically_what_is/
{ "a_id": [ "calrub6", "caluee9", "calzc5e" ], "score": [ 3, 3, 2 ], "text": [ "They hiked taxes and bus fares, and then they had the nerve to spend a shit ton of money on the world cup when they couldn't afford it.", "The protests started with an increase of the bus fare, whic...
[]
[]
[ [], [], [] ]
3ms54n
how much is really lost when a person has amnesia? do people forget basic life skills? what about personal preferences & tastes?
Just something I've thought about. I know amnesia is far less common than what the world of JRPGs and bad soap operas would have us believe, but what is the deal with real life amnesia? What is actually forgotten by the victim? Clearly not everything is lost - they can still communicate, eat, etc. But what about learne...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3ms54n/eli5_how_much_is_really_lost_when_a_person_has/
{ "a_id": [ "cvho0t2", "cvhosra", "cvhpfoc", "cvhsnd4", "cvi0s38", "cvi3tv5" ], "score": [ 17, 12, 5, 3, 6, 2 ], "text": [ "Depends on what [type](_URL_1_) it is.\n\nAnterograde amnesia means you can't form NEW memories, like in [that one movie](_URL_5_). Y...
[]
[]
[ [ "http://www.cracked.com/blog/5-coma-patients-who-woke-up-with-insane-new-skills/", "https://en.wikipedia.org/wiki/Amnesia#Types", "http://www.cracked.com/personal-experiences-1422-5-things-i-learned-when-my-skull-neck-were-crushed.html", "http://www.cracked.com/article_19936_the-5-most-terrifying-...
707lxn
after eating, why does your lower ab area expand more than/rather than your upper abs, right below your stomach and ribs?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/707lxn/eli5_after_eating_why_does_your_lower_ab_area/
{ "a_id": [ "dn16a72", "dn16a72" ], "score": [ 5, 5 ], "text": [ "Your upper abdomen does expand slightly in appearance, but filling of the stomach displaces lower organs (namely intestines) which are more malleable and less restricted by the structures that converge upon the upper abdomen...
[]
[]
[ [], [] ]
4kd31v
why is the "libertarian party" not expressing libertarian values?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4kd31v/eli5_why_is_the_libertarian_party_not_expressing/
{ "a_id": [ "d3e09bk" ], "score": [ 8 ], "text": [ "I think your idea of the Libertarian Party in the United States is rather warped. It would like to restrict the government and increase economic freedom in many ways, though it is a small party so it rarely achieves its aims. (The same ideas have...
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[]
[ [] ]
6yre3s
when a flashlight's battery is dying its light becomes dim. why wouldn't my phone's screen go dim when its battery is dying?
Stupid question for an electrical noob.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6yre3s/eli5_when_a_flashlights_battery_is_dying_its/
{ "a_id": [ "dmpk2v7", "dmpk7pr" ], "score": [ 8, 4 ], "text": [ "A flashlight often doesn't have any voltage/current regulators. It's effectively a resistor wired to a alkaline (or similar) battery. Alkaline batteries lose voltage roughly proportional to their remaining capacity, and a...
[]
[]
[ [], [] ]
2tos1i
how are the relations between usa and saudi arabia so friendly given that majority of 9/11 attackers were saudi's and funded by saudi arabia. ( case in point obama visiting saudi)
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2tos1i/eli5_how_are_the_relations_between_usa_and_saudi/
{ "a_id": [ "co0y55e", "co0z583" ], "score": [ 3, 3 ], "text": [ "Short version: Oil.\n\nLonger version: Very cheap oil. In most places, the cost to extract a barrel of oil and get it ready for shipment is (US) $50-100. In Saudi, it's about $4.\n\n", "Just because one originates from a...
[]
[]
[ [], [] ]
29jcky
how come male body builders penises/testicles shrink but female body builders clits grow like penises?
I'm not sure if they're all using the same hormones or steroids or whatever, maybe someone can enlighten me :)
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/29jcky/eli5_how_come_male_body_builders_penisestesticles/
{ "a_id": [ "cilhcgt" ], "score": [ 23 ], "text": [ "Because when men use anabolic steroids they are consuming an external testosterone supplement. Because a man is getting testosterone without use of his own testes they shut down production to minimal levels. *Use it or lose it*. So when they cyc...
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[ [] ]
1quts9
if the nfl is a non-profit organization why does it show non-nfl ads on it's own channel? what does it do with the extra revenue generated?
It seems crazy to me that if it is a non-profit it has ads and sells merchandise on it's own website too. I feel like there has to be an easy answer to this I am missing.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1quts9/eli5_if_the_nfl_is_a_nonprofit_organization_why/
{ "a_id": [ "cdgpqr1" ], "score": [ 2 ], "text": [ " > While not-for-profit organizations are permitted to generate surplus revenues, they must be retained by the organization for its self-preservation, expansion, or plans.\n\nThat's from Wikipedia. Essentially, nonprofits can make money, but that...
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[]
[ [] ]
5ct4lm
how are bus routes decided?
Are certain areas high priority/forbidden from becoming bus routes? Do they plan them to interact with other routes or avoid some to reach new areas?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5ct4lm/eli5_how_are_bus_routes_decided/
{ "a_id": [ "d9z7dlz" ], "score": [ 2 ], "text": [ "Lots of research into population density and economics. Most bus routes are in two parts. The pickup locations where lots of people are anticipated to jump on (like near apartments or neighborhoods) and drop off locations that lots of people get ...
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[ [] ]
dstcyy
why do humans need to blink so much more than other animals do?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/dstcyy/eli5_why_do_humans_need_to_blink_so_much_more/
{ "a_id": [ "f6rt3nn" ], "score": [ 2 ], "text": [ "Many animals (like dogs, cats, deer, frogs,fish.ect) have second eye lids to help keep their eyes moisturized. \n\nThe pink fleshy parts on the corner of your eyes are believed to be \"left overs\" from our ancestors when pre-humans had second e...
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[ [] ]
684mcd
how do they manage to find precise recordings to make those composite/mash-up videos, of hundreds of clips of a person speaking certain words, to make them sing a song, etc?
For example, [THIS](_URL_0_) video of Obama singing "Shape of You" by Ed Sheeran. Do the people who make these videos actually scour the internet and watch hundreds of videos for the actual person speaking a specific word they need and then edit clips together?? Wouldn't that take forever?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/684mcd/eli5_how_do_they_manage_to_find_precise/
{ "a_id": [ "dgvn2vb" ], "score": [ 3 ], "text": [ "I've actually also wondered the same thing and I think I have an answer. I don't know this for certain but I imagine that what the people do is find several speeches by the figure they are using and then find the transcripts of the speeches. This...
[]
[ "https://youtu.be/bmhbqKT7ONo" ]
[ [] ]
3bsyvc
why marshmallows don't really freeze when you put them in the freezer.
They just turn into delicious slightly cold snacks.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3bsyvc/eli5_why_marshmallows_dont_really_freeze_when_you/
{ "a_id": [ "csp7yhu", "csp87o5" ], "score": [ 9, 3 ], "text": [ "Not enough water in them. Most frozen food has water which can be turned to ice in lower temperatures. But marshmallows are pretty much sugar and air, so no ice can form.", "Apart from their low moisture content, most ma...
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[]
[ [], [] ]
24t3en
how do building made of large blocks of rock catch fire? ex: castles, older school campus buildings, buildings with concrete flooring and and nothing (seemingly) to catch on fire.
I've always wondered
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/24t3en/eli5_how_do_building_made_of_large_blocks_of_rock/
{ "a_id": [ "chae10k" ], "score": [ 2 ], "text": [ "I don't believe the actual stone catches on fire rather the wood support structures, most buildings have flammable things inside them. In castles it would be wouldn't support beams and furniture, burning all this would cause the building to colla...
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[ [] ]
g2umr9
why don’t plants get dusty?
We have a lot of plants in our home and realize none of them ever accumulate dust. Meanwhile, our fake plant does. Is there some sort of biological process that prevents dust from collecting on plants?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/g2umr9/eli5_why_dont_plants_get_dusty/
{ "a_id": [ "fnnqy2n" ], "score": [ 14 ], "text": [ "I’m pretty sure that even real indoor plants do accumulate some dust; at least mine do - although they don’t accumulate it as much as other surfaces.\n\nThe plastic or fabric leaves on fake plants may have a surface that attracts or retains dust...
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[]
[ [] ]
6644bt
why does firefox on os x consume so many resources even with no windows open?
_URL_0_
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6644bt/eli5why_does_firefox_on_os_x_consume_so_many/
{ "a_id": [ "dgfic9c", "dgfone9" ], "score": [ 2, 2 ], "text": [ "It may have not cleared everything it got from your last session (I presume you didn't fully close it after using it). Unless there's a memory leak, you should be able to clear it by simply closing the app completely.\n\nAnd...
[]
[ "http://imgur.com/a/nsF37" ]
[ [], [] ]
8dp72n
why can't there be an "universe's point of reference" in relativism?
I was reading about how FTL would make you experience things before it happens. The example was something happened somewhere, the light of it reaches Earth, Earth uses it's FTL phone to call something Centauri, and later light of that reaches there. But with a FTL ship: shit hits the fan, from their perspective Centau...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8dp72n/eli5_why_cant_there_be_an_universes_point_of/
{ "a_id": [ "dxovlia", "dxozibp", "dxp4e73" ], "score": [ 2, 4, 2 ], "text": [ "It's not that there couldn't be, it's that there isn't under the current framework of how the universe works. If there was, things would work drastically different.\n\nThe idea that time moves backwards...
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[]
[ [], [], [] ]
3glm99
why it looks like a rainbow of colors when my phone screen is wet and it's a plain slate of color.
Like white. I got sweat on my phone and many colors show up under the sweat. What is happening here?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3glm99/eli5_why_it_looks_like_a_rainbow_of_colors_when/
{ "a_id": [ "ctz78xb", "ctz79gr", "ctz7bvn" ], "score": [ 5, 2, 17 ], "text": [ "The image on your screen is made up of tiny pixels. However, every pixel is actually made up of three *smaller*, single-color sub-pixels: one that only shows red, one that only shows green, and one th...
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[]
[ [], [], [] ]
242sht
what's going on in the brain when you're horny and consider doing things that when not horny you couldn't necessarily bring yourself to do?
For example, when horny people might have an *outrageous* fantasy that they can act upon (perhaps group sex or some kind of BDSM) that afterwards they can't believe they did, and when not horny can't motivate themselves to do.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/242sht/eli5_whats_going_on_in_the_brain_when_youre_horny/
{ "a_id": [ "ch31lux", "ch32hmw", "ch32un7", "ch34pjt", "ch35t6i", "ch36aqj", "ch36xzi", "ch37nhm", "ch3812t", "ch38dts", "ch38gap", "ch38snz", "ch38yj3", "ch39kd7", "ch3ad4i", "ch3apoy", "ch3aqr4", "ch3au8g", "ch3bv6f", "ch3c0hm", "c...
[]
[]
[ [], [], [], [ "http://www.kinseyinstitute.org/" ], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [ "http://www.livescience.com/23136-sexual-arousal-dampens-disgust.html" ], [ "http://www.huffingtonpost.com/2012/09/12/arousal-dis...
cx100t
why do toddlers make that high-pitched screeching noise when distressed, instead of just screaming or crying?
I am specifically talking about the pre-verbal "eeeEEEeee" noise toddlers make, the noise which resembles a bird call or even a bark. It is clearly an attempt to communicate, but it somehow conveys less information than if they were just crying. Why do they make the noise, and has it always been this way? If not, when ...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/cx100t/eli5_why_do_toddlers_make_that_highpitched/
{ "a_id": [ "eyhe7w8", "eyhjtex", "eyi35sj", "eyi6j2c" ], "score": [ 17, 2, 24, 2 ], "text": [ "With no scientific backing to this besides babysitting, my best guess is they know screaming/see-ing gets attention. Where as if they cried quietly, or tried to point to somethin...
[]
[]
[ [], [ "https://www.cell.com/current-biology/fulltext/S0960-9822(15\\)00737-X?_returnURL=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS096098221500737X%3Fshowall%3Dtrue" ], [], [] ]
117gih
why dont countries battle to expand borders anymore?
It seems the.entire world (with the exception of a few in the mid east) are perfectly content with no expansion, and just hang out where they are. Why?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/117gih/why_dont_countries_battle_to_expand_borders/
{ "a_id": [ "c6jyw9u", "c6jzdfn", "c6k0knd", "c6k11vf", "c6k6c3z" ], "score": [ 4, 7, 3, 2, 2 ], "text": [ "The UN doesn't let them. All the big countries step in if someone tries.", "They do. They are. [Here](_URL_1_) is an article is today's Washington Post...
[]
[]
[ [], [ "http://www.telegraph.co.uk/news/worldnews/asia/china/9571032/Military-conflict-looms-between-China-and-Japan.html", "http://www.washingtonpost.com/world/middle_east/army-spokesman-rebels-shell-tense-sudan-border-town-killing-5/2012/10/09/128d6b42-1226-11e2-9a39-1f5a7f6fe945_story.html" ], [], ...
334idg
why didnt the us keep cuba and the philippines as permanent territories after the spanish-american war? they gave them independence rather than "americanising" them.
China and Russia have shown this is successful by transporting large portions of their own friendly population to troublesome areas, why didnt the US do this rather than give so much land independence?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/334idg/eli5_why_didnt_the_us_keep_cuba_and_the/
{ "a_id": [ "cqhhegv", "cqhklua" ], "score": [ 7, 2 ], "text": [ "The Spanish-American War was fought for the stated goal of securing Cuban independence. There would have been outrage if the U.S. didn't come out of the war with an independent Cuba.\n\nThe U.S. actually maintained control o...
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[]
[ [], [] ]
1v32r8
why do i have to confirm the amount at the register now when i use a debit card at the store. too many steps and its bullshit
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1v32r8/eli5why_do_i_have_to_confirm_the_amount_at_the/
{ "a_id": [ "ceo8fme", "ceo8g3t", "ceo8gcn" ], "score": [ 2, 2, 2 ], "text": [ "ELI5 isn't a soapbox to complain about this. Try /r/askreddit. Removed.", "Saves you and them a lot of hassle getting it fixed if they charged you 200 bucks instead of 20. ", "Because horrible...
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[]
[ [], [], [] ]
49m32j
are the three major credit reporting agencies public or private companies and why do they control my fate?
I know Experian, Equifax, and Transunion are the major agencies, but I can't find anything about their business model. Why do these companies have so much credence and are they for-profit companies?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/49m32j/eli5_are_the_three_major_credit_reporting/
{ "a_id": [ "d0syylp", "d0t0wrh", "d0t8ll4" ], "score": [ 5, 5, 3 ], "text": [ "\n\n\n\n > Most U.S. consumer credit information is collected and kept by the four national traditional credit reporting agencies: Experian (formerly TRW Information Systems & Services and the CCN Gr...
[]
[]
[ [ "https://en.wikipedia.org/wiki/Credit_bureau#United_States" ], [], [] ]
6dji3l
why there are delayed flights on good weather conditions?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6dji3l/eli5why_there_are_delayed_flights_on_good_weather/
{ "a_id": [ "di34m52", "di34mhb", "di34qu0", "di359dz", "di3d1ao" ], "score": [ 9, 3, 2, 3, 2 ], "text": [ "The airplane flying your flight arrived at that airport from another flight, and from another before that, etc. So the most common reason your flight would b...
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[]
[ [], [], [], [], [] ]
4hxtve
how can neo-nazis hold public rallies in germany, where nazism is illegal?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4hxtve/eli5_how_can_neonazis_hold_public_rallies_in/
{ "a_id": [ "d2tal8r", "d2tbe2u" ], "score": [ 2, 2 ], "text": [ "Any specific event you are referring to? \n\nBut in general: as long as the rally itself can't be categorized as NS, and as long as the speakers don't spread actual NS ideology - basically, as long as you can't *prove* that ...
[]
[]
[ [], [] ]
lqnjk
how vaccines and hand sanitizers create so-called "super bugs"
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/lqnjk/eli5_how_vaccines_and_hand_sanitizers_create/
{ "a_id": [ "c2y86fx", "c2y86fx", "c2utrqd", "c2utx06", "c2utrqd", "c2utx06" ], "score": [ 2, 2, 5, 4, 5, 4 ], "text": [ "the real harboring of \"super strains\" of bacteria occur when one does not finish his regiment of antibiotics, therefore perhaps leavin...
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1tvwn4
why as an (american) 18 year old, i can take a bullet for my country yet not enjoy a beer?
It just doesn't make sense.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1tvwn4/eli5_why_as_an_american_18_year_old_i_can_take_a/
{ "a_id": [ "cebypwy", "cebyrog", "cebyypy", "cebzert", "cebzs4u", "cec1z0n", "cec41in", "cec58cq" ], "score": [ 15, 55, 10, 3, 5, 5, 3, 7 ], "text": [ "There would be a lot less drunk teenagers acting like idiots in the US if the government ...
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[ [], [], [], [], [], [ "http://en.wikipedia.org/wiki/National_Minimum_Drinking_Age_Act#History" ], [], [] ]
3sdq2g
why is there a "human verification" thing when you register to something online?
What is it and how does it even work? And are there other types of "human verification" apart from the conventional one where you identify the alphabets/numbers? Cos I recently came across a website that used matching pictures to concepts, I don't remember which site though.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3sdq2g/eli5_why_is_there_a_human_verification_thing_when/
{ "a_id": [ "cwwayqy", "cwwaz5j" ], "score": [ 5, 2 ], "text": [ "It's designed to stop automated scanning programs from registering a million accounts automatically for any reason. The idea is to pick a task that is easy for a human but can't be easily programmed. That makes it harder for...
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6a4prd
why do reddit and other websites push their app so hard?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6a4prd/eli5_why_do_reddit_and_other_websites_push_their/
{ "a_id": [ "dhbnx97", "dhbnyr4" ], "score": [ 3, 2 ], "text": [ "Well, you kinda explained it in your question. Ads. Ad revenue, redirects, etc.\n\nIt's simple to install an ad blocker on a PC, not so much on a phone.", "I would like to know that too. I understand that an app might be...
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[ [], [] ]
4vua0w
how do fish know they are swimming right side up?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4vua0w/eli5_how_do_fish_know_they_are_swimming_right/
{ "a_id": [ "d61fnpt", "d61gw5o" ], "score": [ 2, 4 ], "text": [ "Many fish have sensory organs called Otoliths. They typically have two or three sets of these behind/under their brains in Lymph-filled cavities, which have a follicle lining to them. Otoliths are heavier than Lymph cells an...
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[ [], [ "https://www.youtube.com/watch?v=HYoTpdblHmg" ] ]
38t72k
how does a cut heal? do the cells around it just replicate until they fill in the hole?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/38t72k/eli5_how_does_a_cut_heal_do_the_cells_around_it/
{ "a_id": [ "crxnrwu", "crxs4m5", "crxsryn" ], "score": [ 6, 41, 18 ], "text": [ "Some cells so, but there are also cells from the immune system that go over there and that create scar tissue. \nSee _URL_0_", "When your skin cells break they still behave (relatively) normally. ...
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[ [ "http://en.m.wikipedia.org/wiki/Wound_healing" ], [], [] ]
3904lu
why did the us fight a civil war over ending slavery, then happily went along with segregation for almost 100 years?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3904lu/eli5_why_did_the_us_fight_a_civil_war_over_ending/
{ "a_id": [ "crz8w7n", "crz97bv", "crzafih", "crzb6f7" ], "score": [ 5, 7, 3, 2 ], "text": [ "This is one of the biggest misconceptions about the Civil War.\n\n\n**The Civil War was not fought to end slavery.**\n\n\nPromising to end slavery was a method used to get people (...
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dl0fzy
why are other senses better if someone is born without one?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/dl0fzy/eli5_why_are_other_senses_better_if_someone_is/
{ "a_id": [ "f4l9nt1" ], "score": [ 2 ], "text": [ "They aren't physically better it is just that the brain is now paying attention to fewer senses so can prioritise the signals coming in from the remaining senses." ] }
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6owimf
why do episodes of tv shows air months apart in different countries even though they still air in the same language?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6owimf/eli5_why_do_episodes_of_tv_shows_air_months_apart/
{ "a_id": [ "dkkqdb9" ], "score": [ 3 ], "text": [ "I'm pretty sure this has to do with licensing & intellectual property laws and getting them sorted out globally." ] }
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6j4fc9
*how* exactly kegel exercises work for men?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6j4fc9/eli5_how_exactly_kegel_exercises_work_for_men/
{ "a_id": [ "djbevtw" ], "score": [ 2 ], "text": [ "Both sexes have pelvic floor muscles. Kegels are the exercise used to tighten and theoretically strengthen them." ] }
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zlvay
why copy right lasts almost a century (or 70 + life), while patent lasts 20 years?
Copy Right lasts about one century from the year of creation (or 70 + life) in US. How is this helpful for promoting the progress of science and useful arts? (Wait, is this circle-jerking?) Also if the creator dies, is copy righted material taxable (inheritance tax)? And lastly, where does "par...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/zlvay/why_copy_right_lasts_almost_a_century_or_70_life/
{ "a_id": [ "c65r4kf", "c65s00a", "c65yek7" ], "score": [ 4, 10, 3 ], "text": [ "I'm not for sure but I'm guessing it's because the items that get copyrighted, creative works, are not really useful to society. Having more people printing books is not going to advance us that much.\...
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2nswih
can a "new color" unlike any colors on the normal spectrum be created or already exists? if so, how?
I browsed upon a website recently, and it was a group of scientist from a university. There ultimate goal was to create a new color that is unlike all (for lack of better words) "Normal Colors", I was just curious as to if this could happen and how...because this concept completely blows my mind.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2nswih/eli5_can_a_new_color_unlike_any_colors_on_the/
{ "a_id": [ "cmgknvj", "cmgm8ib" ], "score": [ 10, 3 ], "text": [ "For us humans, there are no new colors that we will be able to see. We cannot even imagine what a new color might look like. The colors that we see are determined by the number of color receptor cones we have in our eyes. I...
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[ [], [ "http://en.wikipedia.org/wiki/Impossible_color" ] ]
9yu96r
what is the scientific reasoning behind getting "hangry"?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9yu96r/eli5_what_is_the_scientific_reasoning_behind/
{ "a_id": [ "ea42sbd", "ea49159", "ea4hmz8", "ea4mea4", "ea54pox" ], "score": [ 819, 48, 48, 6, 5 ], "text": [ "When you are hungry your body releases a whole bunch of hormones to get your body to metabolize stuff in to glucose, to feed your cells. Two of these (e...
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[ [], [], [], [], [] ]
2pwv8t
why is it "okay" for there to be all black colleges and organizations along with other races but super wrong for an all white organization to exist?
I am not looking for a racial debate. Just a explanation in any way, shape, or form. Anything I find on Google is not helpful.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2pwv8t/eli5_why_is_it_okay_for_there_to_be_all_black/
{ "a_id": [ "cn0pl4p", "cn0q1el", "cn0q2h3", "cn0u0oy", "cn0zu6l", "cn15lqq" ], "score": [ 19, 17, 11, 7, 2, 2 ], "text": [ "All sorts of all white organizations exist. But white people generally immigrated mostly freely and remember their ethnic groups more...
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1vq7x0
why are the veins of long term heroin users destroyed whereas the veins of diabetics who inject insulin daily are not?
Been on my mind for a while.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1vq7x0/eli5_why_are_the_veins_of_long_term_heroin_users/
{ "a_id": [ "ceuqd1a", "ceuqef7" ], "score": [ 3, 3 ], "text": [ "Insulin is not injected into the veins, it is a subcutaneous injection only... into the tissue.", "As a type-1 (insulin-controlled) diabetic myself, I can tell you the answer is very simple. Wheras heroin is injected dir...
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7crvtz
what causes the "shuddering" sound when driving with only one rear window down in a car?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7crvtz/eli5_what_causes_the_shuddering_sound_when/
{ "a_id": [ "dps6nrj", "dps7sct" ], "score": [ 2, 2 ], "text": [ "You've turned your whole car into a big whistle. Because it's so much bigger, the pitch of the sound produced is much lower.", "billows of air come in and leave by the same window. This causes turbulence through pressur...
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[ [], [] ]
4e553i
why are we always told not to stand in front of a microwave because of radiation, yet we eat food that is being heated with radiation?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4e553i/eli5_why_are_we_always_told_not_to_stand_in_front/
{ "a_id": [ "d1x3try", "d1x3w7z", "d1x4v9s", "d1x5139", "d1xh4ck" ], "score": [ 3, 15, 3, 3, 2 ], "text": [ "We mean a few different things when we say radiation - the one that springs to mind for many people is radioactivity, and that's the one that makes people go...
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[ [], [], [], [ "http://www.personal.psu.edu/afr3/blogs/siowfa12/2012/09/have-your-parents-ever-warned.html" ], [] ]
10bobp
why do i feel cold if i take a shower right after i wake up, but not any other time of day?
In the winter, it gets pretty bad. Is this just something that happens to me?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/10bobp/eli5_why_do_i_feel_cold_if_i_take_a_shower_right/
{ "a_id": [ "c6c35j3" ], "score": [ 2 ], "text": [ "Deep sleep slows your metabolism considerably, which as a side effect, lowers your internal body temperature, thus making you more susceptible to ambient cold temperatures. Taking a shower in mid-afternoon, when presumably you've been up and abou...
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1soasy
what exactly is happening when you "save" a game?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1soasy/eli5_what_exactly_is_happening_when_you_save_a/
{ "a_id": [ "cdzk8fs", "cdzkv7y" ], "score": [ 3, 2 ], "text": [ "The program converts the current state of the game into a form of data that it can write to some form of storage (usually a file on your hard drive) and use to reconstruct the state of the game afterwards.\n\nHow exactly thi...
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[ [], [ "http://pastebin.com/6rnscMRi" ] ]
doxuyw
when the world population stabilizes or starts to decline as predicted by the scientific community, how will the world economy continue to grow and not his a permanent recession?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/doxuyw/eli5_when_the_world_population_stabilizes_or/
{ "a_id": [ "f5r8cvh" ], "score": [ 5 ], "text": [ "Mostly through automation. The number of workers can actually go up, even as the number of human workers goes down. Productivity *per human worker* is skyrocketing, because each worker is supplemented by machines." ] }
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8tx8k1
why is human waste treated as a greater contaminant risk than waste from other animals?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8tx8k1/eli5_why_is_human_waste_treated_as_a_greater/
{ "a_id": [ "e1ay1fz", "e1ay1gs", "e1ay580", "e1azmv1", "e1b0tpu", "e1b4kpw" ], "score": [ 11, 108, 32, 6, 4, 5 ], "text": [ "Because that's how hepatitis A and salmonella Typhi is transmitted; through fecal matter and contaminated water. ", "Human waste...
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6r5miv
why do some shows incorporate crowd laughter after a character says something funny or a joke?
I've never understood why shows add laughter especially when you won't even laugh at most of their funny comments. This makes the laughing unnecessary and cringy at times.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6r5miv/eli5_why_do_some_shows_incorporate_crowd_laughter/
{ "a_id": [ "dl2gtls", "dl2hmwk", "dl2hp7n" ], "score": [ 3, 3, 4 ], "text": [ "It's to trigger a herd response in the audience to make the joke seem funny.\n\nSeriously watch Friends or Seinfeld without the laugh track and most of the jokes are just freaking terrible, and I love F...
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6olrqz
what makes rock layers "newer" or "older"? where are the newer layers coming from anyways? isn't it all the same age as the earth?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6olrqz/eli5_what_makes_rock_layers_newer_or_older_where/
{ "a_id": [ "dkickdr" ], "score": [ 3 ], "text": [ "What makes a mineral older than another mineral is when that chemistry occurred to cause the mineral to form. So while everything is indeed ostensibly the same age, the formation of minerals, and the stratification of mineral deposits have distin...
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2tzfjx
in college, why do women in male dominated fields (like engineering) get support groups, perks, and special events; while males in female dominated fields (like psychology or nursing) do not get the same treatment?
^
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2tzfjx/eli5_in_college_why_do_women_in_male_dominated/
{ "a_id": [ "co3qbxi", "co3s4yi", "co41kyo" ], "score": [ 12, 8, 2 ], "text": [ "To use engineering as an example, SWE started because a group of women got together and started it. Now they offer scholarships and events. So basically, the reason those things exist for females in ...
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[ [], [ "http://aamn.org/", "http://www.uml.edu/News/stories/2010-11/men_in_nursing.aspx", "http://www.minoritynurse.com/article/men-nursing-school" ], [] ]
9mo18n
how atheists can go through the 12 steps of alcoholics anonymous
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9mo18n/eli5_how_atheists_can_go_through_the_12_steps_of/
{ "a_id": [ "e7g0buu", "e7g0ks3", "e7g2af4", "e7g35cb" ], "score": [ 3, 13, 2, 3 ], "text": [ "I'm sorry for your friend but glad they are admitting and opening up to you. Some people use 12-steps as a way to \"get in on the ground floor\" of recovery, just to get started a...
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[ [], [], [], [] ]
21l3s4
what does putting blood in the spinny centrifuge do?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/21l3s4/eli5_what_does_putting_blood_in_the_spinny/
{ "a_id": [ "cge2efv" ], "score": [ 8 ], "text": [ "It goes round and round! Wheeeee!!! \n\n\nSeriously though, the centrifuge is used to separate components in your blood with diffrent densities. IE: plasma, red blood cells, white blood cells and such.\n\nThe denser ( heavier ) stuff winds up at ...
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3d3i5x
why do many fast food places have a cutoff for serving breakfast when it's obvious they can serve it consistently and fast?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3d3i5x/eli5_why_do_many_fast_food_places_have_a_cutoff/
{ "a_id": [ "ct1gblz" ], "score": [ 3 ], "text": [ "It's no obvious, it can be difficult, when you only have one or two stoves that are constantly being used for burgers and such, throwing eggs on there causes issues. For other types of breakfast food, they have done calculations, and it wouldn't ...
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4cnew5
bash, ubuntu, linux and the recent microsoft announcement about windows10
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4cnew5/eli5_bash_ubuntu_linux_and_the_recent_microsoft/
{ "a_id": [ "d1jrz18", "d1jzonn" ], "score": [ 5, 2 ], "text": [ "The command line is incredibly powerful for developers and sysadmins.\n\nOne of the most powerful concepts is that every program just takes text as input and produces text as output, so you can combine multiple commands toge...
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[ [], [] ]
6nscez
how do ulcers randomly appear in your mouth?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6nscez/eli5how_do_ulcers_randomly_appear_in_your_mouth/
{ "a_id": [ "dkbtgq6", "dkbtnzs", "dkbto02", "dkbumi9", "dkbzhad", "dkc494e", "dkc764k", "dkc7q4s", "dkcan65", "dkcbh03", "dkcczxf", "dkcdcmy" ], "score": [ 221, 44, 4, 24, 2, 7, 3, 2, 2, 2, 2, 2 ], "text": [ "...
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[ [], [], [], [ "https://www.reddit.com/r/explainlikeimfive/comments/67zh7u/eli5_why_do_mouth_ulcers_and_canker_sores_swell/", "https://www.reddit.com/r/explainlikeimfive/comments/1lcdn1/eli5_canker_sores/", "https://www.reddit.com/r/explainlikeimfive/comments/57862y/eli5_what_are_canker_sores_and_w...
ebv2qk
how soon does metabolism respond to rest or exercise (days? hours?)? also is it anything beyond energy burn rate?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/ebv2qk/eli5_how_soon_does_metabolism_respond_to_rest_or/
{ "a_id": [ "fb7ghan" ], "score": [ 11 ], "text": [ "Metabolism is essentially your body transforming nutrients. It can be divided into catabolism which is the breaking down of substances (gluten into simple sugars for example), and anabolism which is forming new substances (like combining amino a...
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