q_id stringlengths 5 6 | title stringlengths 3 301 | selftext stringlengths 0 39.2k | document stringclasses 1
value | subreddit stringclasses 3
values | url stringlengths 4 132 | answers dict | title_urls list | selftext_urls list | answers_urls list |
|---|---|---|---|---|---|---|---|---|---|
1lr9w8 | why have no video game consoles made a move towards allowing keyboard and mouse inputs? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1lr9w8/why_have_no_video_game_consoles_made_a_move/ | {
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"Keyboard + mouse don't work so well when you're sitting on the couch.\n\nThe PS3 supports KB + mouse but I don't ... | [] | [] | [
[],
[],
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"http://www.youtube.com/watch?feature=player_detailpage&v=mHo4l-qmGHI#t=37"
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7v3dzd | why all living things (almost) try their best to produce offsprings? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7v3dzd/eli5_why_all_living_things_almost_try_their_best/ | {
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"text": [
"I notice a lot of these natural selection questions are a lot easier to understand if you question the fate of the opposite, in this case the answer becomes clearer if you ask instead \"What happened to the living things that didn't try their be... | [] | [] | [
[]
] | ||
68yy09 | how theoretically big would a species need to be in order to be intelligent? | So often when comparing species intelligence we look at brain size relative to their body weight. However there must a size of a species that is a minimum because only so many neural connections could be made. What is that theoretical size?
| explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/68yy09/eli5_how_theoretically_big_would_a_species_need/ | {
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"What does \"intelligent\" mean? As intelligent as humans? Not quite as capable, but close? Parrots and a few other kinds of birds are quite intelligent and relatively small. Octopuses are generally very intelligent, and some... | [] | [] | [
[],
[]
] | |
kq3ng | computer architectures and the differences
between them | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/kq3ng/eli5_computer_architectures_and_the_differences/ | {
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"Edit: corrected and finished my explanation.\n\nThe brain of a computer is called the CPU.\n\nEssentially all CPUs only speak a primitiv... | [] | [] | [
[],
[],
[],
[],
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4t3ypa | if scotland declared independence now and became un recognised would there be grounds for uk military action? | Ok, say the Scottish Government decides it's had enough and officially declares its independence from the UK. It then manages to become a UN member state.
Is Scotland protected by the UN charter that gives nations right to self-determination, or does this not apply in this case? Surely if the Scottish government want... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4t3ypa/eli5_if_scotland_declared_independence_now_and/ | {
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"text": [
"This situation can't really happen. The UK is a permanent member of the UN security council so it could veto Scotland's membership.\n\nThe UN's \"right to self determination\" is in the context of colonial possessions. It doesn't mean any and eve... | [] | [] | [
[]
] | |
1uivlo | Post World War II has there been an Operation like Mincemeat? | > [Operation Mincemeat](_URL_0_)
>
> Operation Mincemeat was a successful British disinformation plan during World War II. As part of Operation Barclay, the widespread deception intended to cover the invasion of Italy from North Africa, Mincemeat helped to convince the German high command that the Allies planned t... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1uivlo/post_world_war_ii_has_there_been_an_operation/ | {
"a_id": [
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"text": [
"During the Troubles in Northern Ireland, there was a similarly devious counterintelligence plan against the Provisional IRA, though it didn't involve a dead body.\n\nThe context was that earlier in the conflict, a British Army Intelligence operat... | [] | [
"http://en.wikipedia.org/wiki/Operation_Mincemeat",
"http://en.wikipedia.org/wiki/Glyndwr_Michael"
] | [
[]
] | |
4kybr6 | What was more powerful the recurve or the long bow? | This conversation like many others with my roomates started very drunkenly in a bar so please excuse misspellings and/or repetiveness in this question
I argued that the Arab recurve bow while more difficult and time consuming to make is substantially more powerful (especially when it comes to the distance that one ca... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4kybr6/what_was_more_powerful_the_recurve_or_the_long_bow/ | {
"a_id": [
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"text": [
"Both have similar range and \"stopping power\", the difference is circumstancial:\n\nLongbows are simple bows ie: made from one piece of wood, so they are cheaper to mass produce and maintain/repair, and are more reliable.\n... | [] | [] | [
[],
[
"http://pds.devpia.com/MAEUL/518/maeul_addboard/42000/41899/HTM75.jpg",
"https://dl.dropbox.com/u/12212152/longbow%20vs%20recurve.png",
"http://www.archeryhistory.com/archers/pics/alanweber.jpg",
"http://www.atarn.org/islamic/Performance/Performance_of_Turkish_bows.htm"
]
] | |
2ue5yt | what would happen in the u.s. if absolutely not a single person voted, i.e. during a presidential election or otherwise? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ue5yt/eli5_what_would_happen_in_the_us_if_absolutely/ | {
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"text": [
"The candidates can help themselves. They always vote. ",
"The election would be a tie. Different states have different rules on how to decide the winner in case of a tie, bu... | [] | [] | [
[],
[
"http://www.washingtonpost.com/blogs/govbeat/wp/2014/07/14/in-most-states-tied-elections-can-be-decided-by-a-coin-toss/"
],
[],
[]
] | ||
3y0hwo | how is it that heavy drug abuse is able to change facial characteristics so much, even face shape is altered. | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3y0hwo/eli5_how_is_it_that_heavy_drug_abuse_is_able_to/ | {
"a_id": [
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"text": [
"Losing body fat leads to sunken eyes, hollow cheeks, etc. There's a lot of fat around the eyes which can be lost. Missing teeth will change the profile around the mouth. Skin blemishes, loss of skin tone/elacticity, will lea... | [] | [] | [
[],
[]
] | |
1cxp1n | why does the electrical charge from a detonator seem to slowly travel towards the explosive? | Reading online, it seems electricity travels between 60-98% the speed of light in a cable. Why is there a seemingly 'slow' moving glow from a detonator to an explosive.
_URL_0_ | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1cxp1n/eli5_why_does_the_electrical_charge_from_a/ | {
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"text": [
"Sometimes they use fuses to \"connect\" explosives, it's possible that you saw the light of the fuse burning (there are fuses that can burn pretty quickly) and not the glow from an electrical cable.",
"What you're seeing... | [] | [
"https://vimeo.com/62042628"
] | [
[],
[]
] | |
4axgyy | why do we swing our arms when we run -- isn't that a waste of energy? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4axgyy/eli5_why_do_we_swing_our_arms_when_we_run_isnt/ | {
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"text": [
"It is a balancing tool. Without doing that we would not be able to run as fast or change direction as nimbly. So it is not a waste of energy at all. ",
"As others have said it's balance. But it actually saves you energy... | [] | [] | [
[],
[]
] | ||
60pfma | how do presidential vacations cost millions of dollars? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/60pfma/eli5_how_do_presidential_vacations_cost_millions/ | {
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"text": [
"The president's security is understandably very important. Anytime the president decides to travel a lot of moving pieces are involved from teams going out, sometimes months before the actual travel to ... | [] | [] | [
[],
[
"https://www.washingtonpost.com/opinions/five-myths-about-presidential-vacations/2014/08/15/2aa969c6-2311-11e4-958c-268a320a60ce_story.html?utm_term=.a8e92d365d2c"
],
[]
] | ||
as89qf | why do some experaince chest pain due to anxiety but when you get a ecg // blood pressure its fine like there's no reason for the pain but anxiety? what is actually causing pain and why? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/as89qf/eli5_why_do_some_experaince_chest_pain_due_to/ | {
"a_id": [
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"score": [
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"text": [
"If your breathing really shallow you will feel some pains in your central chest about heart height and it’s from lack of oxygen to the heart there’s a name for it but I forget. \n\nIt’s happened to me from anxiety before. An... | [] | [] | [
[],
[]
] | ||
5zfg5n | how or why did 'white noise' get that name? as opposed to other colors like blue or black or green noise? | Something I always wondered, and I thoroughly enjoy this subreddit. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5zfg5n/eli5_how_or_why_did_white_noise_get_that_name_as/ | {
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"text": [
"Light comes in a variety of colors, and when you have all of these wavelengths together we see it as \"white\" light. The name \"white noise\" is a reference to \"white light\" where a bunch of different sounds all cancel out to the point where n... | [] | [] | [
[]
] | |
3puku6 | Netanyahu said this week that it wasn't Hitler's idea to kill Jews; that was the grand mufti, Haj Amin al-Husseini's, idea. How truthful is this claim? | I was under the impression that the holocaust was mostly Himmler's idea. Is that also wrong? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3puku6/netanyahu_said_this_week_that_it_wasnt_hitlers/ | {
"a_id": [
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"text": [
"Hi, there was a [thread on this](_URL_0_) very recently, enjoy."
]
} | [] | [] | [
[
"https://np.reddit.com/r/AskHistorians/comments/3pm4jc/netanyahu_recently_claimed_that_hittler_wished_to/?ref=search_posts"
]
] | |
15z822 | What is the least amount of numbers given in a suduko puzzle such that the solution is uniquely determined? | Note this does not require the puzzle to be able to solved just that the solution is unique. | askscience | http://www.reddit.com/r/askscience/comments/15z822/what_is_the_least_amount_of_numbers_given_in_a/ | {
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"text": [
"The answer is 17; [here](_URL_0_) is an article about that.",
"Interesting question.\n\nFirst of all, if the puzzle doesn't have a solution then there's no meaningful answer. If there are zero solutions, are they unique?... | [] | [] | [
[
"http://www.technologyreview.com/view/426554/mathematicians-solve-minimum-sudoku-problem/"
],
[]
] | |
afaxar | what causes people to see colors when listening to music? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/afaxar/eli5what_causes_people_to_see_colors_when/ | {
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"text": [
"**Please read this entire message**\n\n---\n\nYour submission has been removed for the following reason(s):\n\n[synesthesia](_URL_2_\n\n\n\n---\nIf you would like this removal reviewed, please read the [detailed rules](_URL_0_) first. If you stil... | [] | [] | [
[
"https://www.reddit.com/r/explainlikeimfive/wiki/detailed_rules",
"http://www.reddit.com/message/compose?to=%2Fr%2Fexplainlikeimfive&subject=Can%20you%20review%20my%20thread",
"https://www.reddit.com/r/explainlikeimfive/search?q=synesthesia&restrict_sr=on&sort=relevance&t=all"
]
] | ||
zhwo3 | Does drinking plenty of water actually enhance health? | I've always heard that drinking plenty of water is good for your health. How does this work? Does it just facilitate the elimination of various chemicals through urine, or is there more to it?
Of course, if you're dehydrated, more water would help. But would a 60-70kg adult benefit in any way from increasing daily wat... | askscience | http://www.reddit.com/r/askscience/comments/zhwo3/does_drinking_plenty_of_water_actually_enhance/ | {
"a_id": [
"c64q51r"
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"score": [
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"text": [
"Water is vital to life and therefore extremely important. That being said the body is quite good at adapting and as long as one isn't dehydrated or (and this is pretty difficult to do) over-hydrated to the point where electrolytes are becoming ... | [] | [] | [
[]
] | |
491ewb | why is it that if i smoke while i have a bad cough i stop coughing for a good 5-10 minutes? | Folow up: why is it that i inly feel how painful my lungs are if i smoke cannabis and not tobacco? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/491ewb/eli5_why_is_it_that_if_i_smoke_while_i_have_a_bad/ | {
"a_id": [
"d0ob6dg"
],
"score": [
2
],
"text": [
"tobacco cigs have chemicals in them that numb your throat, cannabis cigs don't have the chemicals that numb your throat."
]
} | [] | [] | [
[]
] | |
1k34f2 | wrong physics in computer games | so whats so hard about having a character in a computer game grab something properly or stap on a step and not slide up the stairs and stuff like that.
im explicitly not talking about water, dust, smoke and all that stuff, honestly i couldnt care less how that stuff looks, as long as they butcher the living hell out of... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1k34f2/eli5_wrong_physics_in_computer_games/ | {
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"text": [
"I assume that you're talking about how sometimes your character will be holding something and their hands go \"through\" the item, stuff like that.\n\nThe issue is that the people who animate how the c... | [] | [] | [
[],
[],
[]
] | |
5xwepk | in a world where we have devices the size of a deck of cards with enough computing power to launch the space shuttle, why does it still take an hour to update software? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5xwepk/eli5_in_a_world_where_we_have_devices_the_size_of/ | {
"a_id": [
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"score": [
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2
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"text": [
"The task of getting an update to your machine and applying it moves down a very long pipeline. First the data is stored somewhere on a physical hard drive inside a server someplace. The server has to know about your request ... | [] | [] | [
[],
[]
] | ||
214rog | what happens if a couple gives birth to a baby during a flight or a voyage on a plane or a ship? which nationality does the baby assume? | In addition, does the baby eventually get to choose, if they have multiple nationalities to choose from? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/214rog/eli5_what_happens_if_a_couple_gives_birth_to_a/ | {
"a_id": [
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"text": [
"While the common perception is that where you're born determines your citizenship... this is not exactly true.\n\nYou *can* obtain citizenship based on where you're born -- legally this is called *jus soli*, \"right of soil\" -- but you can, in m... | [] | [] | [
[]
] | |
343rhv | what is the white house correspondents dinner? | I heard about it and saw clips from it on the news, but what is it about, and who gets to attend? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/343rhv/eli5_what_is_the_white_house_correspondents_dinner/ | {
"a_id": [
"cqqzu93"
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"score": [
6
],
"text": [
"A bunch of journalists from all the different media outlets (CNN, The New York Times, NPR, etc.) are assigned to report on the US president. Together, they make up the White House Correspondents Association. Starting in 1920, they started hosting... | [] | [] | [
[]
] | |
19nk4f | Could the Universe be a computer simulation? like in the matrix | Would we be able to simulate it?
Would it violate the laws of physics?
What if we are in a simulated Universe? | askscience | http://www.reddit.com/r/askscience/comments/19nk4f/could_the_universe_be_a_computer_simulation_like/ | {
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"text": [
"1. Currently no.\n\n2. We don't know - the laws of physics are based on our observations of the universe - any \"universe projector\" would be outside what we can observe and thus not tied to any \"obs... | [] | [] | [
[],
[
"http://64.78.31.152/wp-content/uploads/2012/08/intro-to-DP.pdf"
],
[]
] | |
203x99 | What determines a person's sensitivity to stimuli while they sleep? | For example, I can poke my girlfriends face for about 10 minutes while she is sleeping before she wakes up. If anyone so much as breathes near me when I'm sleeping, I wake up frantically. What determines this? | askscience | http://www.reddit.com/r/askscience/comments/203x99/what_determines_a_persons_sensitivity_to_stimuli/ | {
"a_id": [
"cfzxluy"
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"score": [
3
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"text": [
"There is sensory gating (blocking/decreasing sensitivity to stimuli) during sleep, which varies as a function of sleep stage and how long you've been asleep, especially after the occurrence of the first sleep spindle, and indication that one has ... | [] | [] | [
[
"http://www.ncbi.nlm.nih.gov/pubmed/7134732"
]
] | |
1jvtj2 | What's the claim history on the Senkaku/Daioyu islands? | NOTE: This was asked earlier this year, but [it had no relevant responses](_URL_1_).
What is the history behind these islands? What is the argument each side uses to have a claim?
With Japan unveiling a new [helicopter destroyer](_URL_0_) to "better [respond] to various contingencies in waters near Japan" and China ... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1jvtj2/whats_the_claim_history_on_the_senkakudaioyu/ | {
"a_id": [
"cbj2yry"
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"score": [
5
],
"text": [
"Apologies if this isn't very exhaustive, but no one has answered yet, so I thought I'd do my best with what I know until a real expert steps up. Feel free to delete this if it's not up to standard.\n\nThe islands are uninhabited and lie some 170k... | [] | [
"http://www.cnn.com/2013/08/06/world/asia/japan-new-warship/index.html?sr=fb080713japanwarship930a",
"http://www.reddit.com/r/AskHistorians/comments/zzn1w/is_there_a_definitive_historical_answer_to_who/"
] | [
[]
] | |
5ft9t6 | is there a way for magnetic energy to be used to create some different kind of energy that could be harnessed as electricity? | My line of thinking is that when one puts two magnets they either attract or repulse. This attraction/repulsion causes kinetic energy, I understand. Could there be some kind of way to do this on a larger scale and manipulate multiply magnets to, say, turn a turbine and generate electricity? And if it can be done, would... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ft9t6/eli5_is_there_a_way_for_magnetic_energy_to_be/ | {
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4,
2,
2,
2
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"text": [
" > Could there be some kind of way to do this on a larger scale and manipulate multiply magnets to, say, turn a turbine and generate electricity?\n\nNope, sorry. Conservation of e... | [] | [] | [
[],
[
"https://en.m.wikipedia.org/wiki/Electromagnetic_induction"
],
[],
[]
] | |
4mc54u | How popular were burgers and fries before McDonalds and other fast food chains in the '50s? | I know Coke, the third part of that holy trinity, was around & popular by the early 20th century, but how popular were burgers & fries? Would someone have regularly eaten them? I remembered that I don't recall any WWII films showing people eating them, but was that due to wartime shortages? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4mc54u/how_popular_were_burgers_and_fries_before/ | {
"a_id": [
"d3uh6jq"
],
"score": [
28
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"text": [
"So we know that French fries have been around since at least the late 1700s - and we're also pretty sure that they originated in Belgium. Thomas Jefferson had a White House dinner at which \"potatoes served in the French manner\" were served. Th... | [] | [] | [
[]
] | |
b8qsuq | if the sky is blue because the blue light gets absorbed by the atmosphere, and we see by light refracting into our eyes.(i.e blue light hitting our eyes). then how can we see blue things? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b8qsuq/eli5_if_the_sky_is_blue_because_the_blue_light/ | {
"a_id": [
"ejzjod5",
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"score": [
6,
4
],
"text": [
"You don't see whatever color something is absorbing. You see whatever color it is reflecting back at you. ",
"The atmosphere doesn’t absorb the blue light, nor does it reflect it, the particulates in the atmosphere scatt... | [] | [] | [
[],
[]
] | ||
47yuwx | Mafia in the Soviet Union | Does anybody here have information or has read about structured mafia, if there was ever mafia, in the Soviet Union? Maybe something about the black market in Soviet Russia and how the goverment pressured the black market and the Mafia? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/47yuwx/mafia_in_the_soviet_union/ | {
"a_id": [
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"score": [
45,
3
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"text": [
"I wrote (part of) my MA dissertation on organised crime in ex-Soviet countries, so I can answer your question.\n\nOkay, before I start, I should say that technically \"Mafia\" refers to the Sicilian organised crime gang... ... | [] | [] | [
[],
[]
] | |
3kns1k | why do countries like saudi arabia destroy so much of their own cultural heritage? | It's frustrating to me and I don't understand the reason. I read that 95% of all historical buildings in Mecca have been demolished. It's not like ISIL is doing this: it's the governments themselves. And it's been happening since at least the 1970s. What's the reason?? For something like the tomb of Mohammed's father, ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3kns1k/eli5_why_do_countries_like_saudi_arabia_destroy/ | {
"a_id": [
"cuyzoxt",
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"score": [
2,
2
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"text": [
"well, im gonna try and say \n\nits alot of power. Alot of people have power unchecked. There isn't alot of respect for historical buildings for what you have mentioned: they do not want worship of a person.\nThing about Isla... | [] | [] | [
[],
[]
] | |
351nmj | Can an electromagnetic wave inside a Faraday cage go out? | (everything in the title) | askscience | http://www.reddit.com/r/askscience/comments/351nmj/can_an_electromagnetic_wave_inside_a_faraday_cage/ | {
"a_id": [
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"text": [
"Only insomuch as the Faraday cage is imperfect. For example, there will be some microwaves leaving your microwave through the little holes, but on the inside it's strong enough to cook your food and on the outside it's less ... | [] | [] | [
[],
[]
] | |
4crqpk | if i file a restraining order against someone, what prevents me from "abusing" the order aka "trolling" the person by following them where they go? | So, if I found out the "restrained" was going on vacation, what stops me from boarding the same plane and forcing him to disembark?
If he's leaving for work, couldn't I stand in the middle of the street and block his driveway?
What stops me from follow him around and abusing my restraining order? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4crqpk/eli5_if_i_file_a_restraining_order_against/ | {
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"text": [
"Others have explained it more seriously but I'll just add that there's typically very serious and obvious reasons someone files a rest... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | |
548fz8 | Why do people think that everything is contained within π? Where did this idea come from and is there any logic or proof for it? | For the statement that everything is in π to be true, this would also mean that π is in π. A sort of π'ception would occur creating a repeating number making π a rational number. This raises additional questions:
*Is π definitely a irrational number?
*Is there any proof that it is?
*How do we know that π doesn't?
*Ho... | askscience | https://www.reddit.com/r/askscience/comments/548fz8/why_do_people_think_that_everything_is_contained/ | {
"a_id": [
"d800o3c",
"d800pmw",
"d800v4q"
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"score": [
7,
19,
6
],
"text": [
"Yes, pi is irrational, its been proven. A. number is rational if and only if its decimal expansion is terminating or is eventually periodic, meaning that finitely many terms in the expansion repeat per... | [] | [] | [
[
"https://en.wikipedia.org/wiki/List_of_formulae_involving_%CF%80#Efficient_infinite_series",
"http://pi314.at/math/normal.html"
],
[
"https://www.reddit.com/r/askscience/comments/2tlkdl/is_it_true_that_pi_can_contain_every_possible/?sort=top",
"https://www.reddit.com/r/askscience/comments/1bin... | |
5vlacb | when teenagers' voices break, do they simply get deeper or are there other changes that take place? | Could I in theory use Audacity to shift the pitch in my voice and have it sound like it did before puberty? (ignoring changes to vocabulary and speech patterns of course). | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5vlacb/eli5_when_teenagers_voices_break_do_they_simply/ | {
"a_id": [
"de3koix"
],
"score": [
2
],
"text": [
"In addition to the vocal chords 'stretching' and thickening during puberty as a result of - but not completely limited to - an increase in testosterone, the tone and phonic patterns also change over time. \n\nThis is why even if you can't physica... | [] | [] | [
[]
] | |
895qxt | explain the black scholes model, and where it comes from. | Curious about how the Black Scholes model was created, and a solid understanding of how it works to price options. Not a finance major. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/895qxt/eli5_explain_the_black_scholes_model_and_where_it/ | {
"a_id": [
"dwp425l"
],
"score": [
5
],
"text": [
"Is this about Paul Pogba?"
]
} | [] | [] | [
[]
] | |
2rrysd | jumping from a building, is there a landing position that would get one to survive? | I couldn't sleep last night and when that happens my mind always think about random stuff and this came up. Say one jumps from a building - like World Trade Center for example - is there any landing position that would make them survive? I think landing belly-down or belly-up would seriously damage your head and spine ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2rrysd/eli5_jumping_from_a_building_is_there_a_landing/ | {
"a_id": [
"cniox0c"
],
"score": [
4
],
"text": [
"I'm not sure about the math behind it. But I was told by a sky diving instructor that there is a way to position yourself that only your legs will take the impact. You'll be paralyzed for the rest of your life. But its better than nothing."
]
} | [] | [] | [
[]
] | |
2pmm0c | why do most flying insects (flies, bees, etc) become so lethargic and slow when they're indoors for a while? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2pmm0c/eli5_why_do_most_flying_insects_flies_bees_etc/ | {
"a_id": [
"cmy5at2"
],
"score": [
9
],
"text": [
"They wear themselves out banging against the glass."
]
} | [] | [] | [
[]
] | ||
3dibgy | What is the purpose of the investigation of History? Can we really "learn from history?" | Should we investigate history to know our place in it? To learn from it? Is it a goal worth pursuing in itself? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3dibgy/what_is_the_purpose_of_the_investigation_of/ | {
"a_id": [
"ct5gngz",
"ct5o9hf"
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"score": [
2,
2
],
"text": [
"I personally think that history is a very worthwhile pursuit. I am currently taking a degree in history and through widening my knowledge about the past, I feel that I've gained massive perspective about the way people think... | [] | [] | [
[],
[
"https://www.historians.org/about-aha-and-membership/aha-history-and-archives/archives/why-study-history-%281998%29"
]
] | |
1l2y7m | How soon is too soon to excavate for archeology purposes? And at what point does the act of grave robbery become archeology? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1l2y7m/how_soon_is_too_soon_to_excavate_for_archeology/ | {
"a_id": [
"cbv9mnk",
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"score": [
80,
357,
30,
20,
8,
40,
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],
"text": [
"I really like this question, and I hope others will add perspectives from other fields... | [] | [] | [
[
"http://www.nps.gov/nagpra/",
"http://en.wikipedia.org/wiki/Catacombs_of_Paris",
"http://www.cfa.arizona.edu/are476/files/luna.htm",
"http://articles.chicagotribune.com/1991-11-26/news/9104170045_1_native-americans-jim-edgar-archeologists"
],
[
"http://www.nps.gov/nagpra/mandates/25usc3001... | ||
ipc3l | Does flying an airplane counter to the rotation of the earth increase the planes speed, decrease the duration of the flight or allow the plane to reduce it's power to essentially cross the same distance and time with less fuel to burn? | askscience | http://www.reddit.com/r/askscience/comments/ipc3l/does_flying_an_airplane_counter_to_the_rotation/ | {
"a_id": [
"c25kaxq"
],
"score": [
12
],
"text": [
"Unfortunately no. The earth's atmosphere is actually rotating along with the rest of the earth, so there is no shortcut to be gained this way.\n\nIt seems like this is a fairly common misconception as a lot of west- > east flights are shorter t... | [] | [] | [
[]
] | ||
m7ofy | Can a sane mind be turned schizophrenic? | askscience | http://www.reddit.com/r/askscience/comments/m7ofy/can_a_sane_mind_be_turned_schizophrenic/ | {
"a_id": [
"c2yrc5v",
"c2yrrmv",
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"score": [
2,
2,
2,
2
],
"text": [
"Follow up (more of a definition question): what is the state of mind called where you've truly convinced someone they're insane?",
"There is a genetic code directly linked to S... | [] | [] | [
[],
[],
[],
[]
] | ||
3vchhp | what exactly are the "stricter" gun control laws people propose and how would they be enforced? | Seems relevant once again. I don't own a gun and don't have a strong opinion either way, but there are unfollowed laws against shooting people, so the pragmatist in me wonders what these gun laws would be and why people think they would be effective. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3vchhp/eli5_what_exactly_are_the_stricter_gun_control/ | {
"a_id": [
"cxmafn9",
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"score": [
5,
2,
2,
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],
"text": [
"There are a few different levels the law could be:\n\n- Banning certain types of weapon (eg Automatic Rifles), under the theory that you don't need an M4 Carbine to protect yoursel... | [] | [] | [
[
"http://www.theguardian.com/us-news/ng-interactive/2015/oct/02/mass-shootings-america-gun-violence"
],
[],
[
"https://en.wikipedia.org/wiki/Gun_politics_in_New_Zealand#Current_firearm_law"
],
[]
] | |
5cwhjd | why is nintendo always in short supply of the consoles | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5cwhjd/eli5_why_is_nintendo_always_in_short_supply_of/ | {
"a_id": [
"d9zvj36"
],
"score": [
5
],
"text": [
"A short supply can create a bigger demand and hype.\n\nThey are either doing it deliberately to cause a stir for publicity or they genuinely don't think they will sell that many in that time frame.\n\nAlternatively it could have nothing to do wit... | [] | [] | [
[]
] | ||
1r8bnx | why do i always feel greasy after falling asleep on airplanes? | It seems like every time I fall asleep on an airplane I wake up feeling gross. Why does this happen? Why is it only if I fall asleep?
| explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1r8bnx/why_do_i_always_feel_greasy_after_falling_asleep/ | {
"a_id": [
"cdkl8eq",
"cdkog2n",
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"score": [
4,
2,
3
],
"text": [
"I think it has to do with the recycled air in the cabin.",
"I get this way any time I sleep in clothes, regardless of the environment. I've also always wondered.",
"My husband works for an airli... | [] | [] | [
[],
[],
[]
] | |
1h2g6z | Why did Mycenaean plate armor fall out of use? | I've been reading a lot about ancient warfare lately, and the pictures in these books generally show 2 flavors of Mycenaean troops. The first one is a soldier wearing only a loincloth and helmet, wielding a spear and a peanut shaped hide shield. The second kind I find more interesting. They are [heavy](_URL_0_) troops ... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1h2g6z/why_did_mycenaean_plate_armor_fall_out_of_use/ | {
"a_id": [
"caq7ron"
],
"score": [
4
],
"text": [
"Mycenaean warfare, as Snodgrass notes, is pretty much entirely unknown to us. Snodgrass theorizes that there may have been two phases of Mycenaean warfare, coinciding with the Shaft Grave period and the Beehive Tomb period within Mycenaean ruins.... | [] | [
"http://www.alternatehistory.com/discussion/attachment.php?attachmentid=1798&stc=1&d=1104896570",
"http://s2.hubimg.com/u/7878593_f260.jpg"
] | [
[
"http://web.ics.purdue.edu/~rauhn/bronze_age_aegean.htm",
"http://www.varchive.org/schorr/warvase.htm"
]
] | |
e4mzqf | What was Lee Harvey Oswald's motive for killing Kennedy? | I can't seem to find it anywhere, can anyone explain me? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/e4mzqf/what_was_lee_harvey_oswalds_motive_for_killing/ | {
"a_id": [
"f9ehurd"
],
"score": [
44
],
"text": [
"If we are going just straight off the Warren Commissions report, Oswald assassinated Kennedy for Cold War purposes. He considered himself a Marxist and was constantly trying to get to the Soviet Union. He also considered himself a support of the... | [] | [] | [
[]
] | |
7bdrah | where did the us's idea of becoming angels in the afterlife come from? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7bdrah/eli5where_did_the_uss_idea_of_becoming_angels_in/ | {
"a_id": [
"dph55ci"
],
"score": [
3
],
"text": [
"_URL_0_\n\nApparently some theologian called Emanuel Swedenborg started it, and it has been a popular idea ever since.\n\nAnd this:\n\n > The Bible uses \"angel\" and \"man\" almost interchangeably when speaking about angels. If angels were a se... | [] | [] | [
[
"https://christianity.stackexchange.com/questions/40032/what-is-the-biblical-basis-for-humans-becoming-angels-after-they-die"
]
] | ||
6rteyh | at what point in a presidency are changes in the economy attributable to the sitting president and not the former? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6rteyh/eli5_at_what_point_in_a_presidency_are_changes_in/ | {
"a_id": [
"dl7lcsp",
"dl7ll3d",
"dl7svh6"
],
"score": [
17,
8,
2
],
"text": [
"That will always be open to interpretation. We're still feeling the effects of economic events that happened decades ago. History doesn't really sort itself into convenient boxes like that.",
"Pret... | [] | [] | [
[],
[],
[]
] | ||
f7cqhj | how did geese not get hunted into extinction? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f7cqhj/eli5_how_did_geese_not_get_hunted_into_extinction/ | {
"a_id": [
"fiaeyhd"
],
"score": [
2
],
"text": [
"If you start clubbing the geese they will become harder to get close to. Animals become acclimated to situations. If these geese were used to being hunted they would not be so relaxed around humans. Where I live you can not hunt deer near the air... | [] | [] | [
[]
] | ||
5aw8xy | Some of George H.W. Bush's fellow pilots were executed and eaten by their captors after being shot down over the Bonin Islands in WWII. How common was cannibalism in the Pacific Theater? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5aw8xy/some_of_george_hw_bushs_fellow_pilots_were/ | {
"a_id": [
"d9jwcpj",
"d9jxmki"
],
"score": [
128,
24
],
"text": [
"I had the unfortunate privilege of writing about this [here](_URL_0_).",
"James Bradley talks about this in Flyboys, how does that book rate for accuracy with you historians?"
]
} | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/3ribf6/according_to_anthony_beevors_the_second_world_war/"
],
[]
] | ||
3qwznl | how much 'ping' does information take from human eyes to beeing processed in the brain | I hope my question is formulated correctly since english isnt my motherlanguage (..and i'm 5) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3qwznl/eli5_how_much_ping_does_information_take_from/ | {
"a_id": [
"cwj1pay",
"cwj1qms"
],
"score": [
2,
6
],
"text": [
"\"ping\" is not a word I'm familiar with, at least not in this context. Do you mind explaining a little more?",
"\"It takes about 0.15 seconds from the moment light hits the retina to when the earliest recognition of bas... | [] | [] | [
[],
[
"https://www.quora.com/How-fast-does-the-brain-compute-visual-information-From-light-reach-the-eye-to-awareness-of-impression-And-how-does-the-information-travel"
]
] | |
5pb1gh | Can water be frozen in an airtight container? | The picture of the Coke pushing the lid up on the bottle on /r/all made me curious. If you put water in a container that left no space around the water and wouldn't break, could you freeze the water? If so (or if not), what would it do? | askscience | https://www.reddit.com/r/askscience/comments/5pb1gh/can_water_be_frozen_in_an_airtight_container/ | {
"a_id": [
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"score": [
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"text": [
... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Ice#Phases",
"https://en.wikipedia.org/wiki/Ice_III"
],
[],
[
"https://media.giphy.com/media/uK5GHXadQImTm/giphy.gif",
"http://i.giphy.com/REbnpNWr6GgBq.gif"
],
[],
[],
[
"https://en.m.wikipedia.org/wiki/Triple_point"
],
[],
[
"http://d32o... | |
2s4265 | a basement sump pump | ELI5: A Basement Sump Pump | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2s4265/eli5_a_basement_sump_pump/ | {
"a_id": [
"cnm11zf"
],
"score": [
3
],
"text": [
"Submersible pumps are used to push liquids from one location to another. The basement type gets water from somewhere you don't want it (your basement) to somewhere else (your yard or other location) "
]
} | [] | [] | [
[]
] | |
22gns6 | Are there records of any other kamikaze-type pilots in history? | Like the title says, I'm curious if the Japanese were the only pilots ever to implement this strange technique. I'm referring to fighter pilots only, not other suicide type missions. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/22gns6/are_there_records_of_any_other_kamikazetype/ | {
"a_id": [
"cgmmvzp"
],
"score": [
3
],
"text": [
"There was the Sonderkommando Elbe, which utilized stripped-down fighters to ram Allied bombers in April of 1945. The idea was that trading a single fighter with one pilot for a fully-crewed bomber was a net win for the Germans. When used to ram... | [] | [] | [
[
"http://www.youtube.com/watch?v=JmDYdfb02tc"
]
] | |
e3ckmh | what are djs listening for when they bring headphones to their ear? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/e3ckmh/eli5_what_are_djs_listening_for_when_they_bring/ | {
"a_id": [
"f929v82",
"f929w4o",
"f92a13j",
"f92dcft"
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"score": [
21,
100,
6,
28
],
"text": [
"basically: the next track\n\nif it's synced, same tempo, if the drops line up and sometimes what it sounds like bc they cant remember 5000 tracks\n\nedit: especially when it's ... | [] | [] | [
[],
[],
[],
[]
] | ||
4br8ve | Was there any public outrage at the Nazi Party flag becoming the official state flag of Germany? | Or was resistance effectively futile by then? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4br8ve/was_there_any_public_outrage_at_the_nazi_party/ | {
"a_id": [
"d1bpgbo"
],
"score": [
322
],
"text": [
"When the Nazis took over in 1933, the Nazi Party flag did not become the German national flag right away. On March 12, 1933 president Hindenburg decreed that Germany should henceforth have two flags: The Swastika Flag but also the old monarchic... | [] | [] | [
[
"http://www.documentarchiv.de/ns/1935/flaggen1935_ges.html",
"https://de.wikipedia.org/wiki/Datei:Flag_of_German_Reich_%281933%E2%80%931935%29.svg"
]
] | |
hpaf3 | Is there a physiological explanation why some people can easily display some types of fine muscle control (raise one eyebrow, wiggle nose, bounce pectorals ...) and others can't. | Just wondering if the ability, or at least the ability to easily do some of these things, is a function of our nerves and muscles, or if the whole thing is just in our heads. | askscience | http://www.reddit.com/r/askscience/comments/hpaf3/is_there_a_physiological_explanation_why_some/ | {
"a_id": [
"c1x98m7",
"c1x9g8g",
"c1xacfy"
],
"score": [
4,
3,
2
],
"text": [
"I taught myself to move each eyebrow independent from each other. Same thing with nose flares. Its more practice than anything.\n\ni believe it is more concentration, isolation of the muscle and practic... | [] | [] | [
[],
[],
[]
] | |
588sst | Where did the custom of giving a "key to the city" originate? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/588sst/where_did_the_custom_of_giving_a_key_to_the_city/ | {
"a_id": [
"d8yokux"
],
"score": [
352
],
"text": [
"Tag along: What exactly did the \"key to the city\" actually open? City gates? The doors in the castle?"
]
} | [] | [] | [
[]
] | ||
2v7uve | Can someone with a compromised immune system still have an allergic reaction? | Allergic reactions are, to my knowledge at least, an exaggerated immune response to a harmless compound. But if someone's immune system was compromised by AIDS or high radiation dosages or even immunosuppressants, would they still be able to mount a response? | askscience | http://www.reddit.com/r/askscience/comments/2v7uve/can_someone_with_a_compromised_immune_system/ | {
"a_id": [
"cog078s"
],
"score": [
2
],
"text": [
"I think this is an interesting question!\nSo, I think it depends on what cells we are talking about and thus what was the cause of the compromised immune system.\n\nLet's just start with AIDS and thus infection with HIV. HIV infects the T-cells, ... | [] | [] | [
[
"http://en.wikipedia.org/wiki/T_helper_cell",
"http://allergies.about.com/od/allergies101/a/Hiv-And-Allergies.htm",
"http://en.wikipedia.org/wiki/Allergy#Cause",
"http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0097893",
"http://en.wikipedia.org/wiki/Mast_cell"
]
] | |
cu3job | what exactly is epistemological solipsism? or just epistemology and solipsism for that matter? | I saw the term recently and tried to look it up, but every article/definition I found seemed to assume every person reading it has a degree in psychology or something. Please spare me the fancy technical terms and just explain it simply like I know absolutely nothing about philosophy, idealism, or psychology (because I... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cu3job/eli5_what_exactly_is_epistemological_solipsism_or/ | {
"a_id": [
"exr0xs3"
],
"score": [
21
],
"text": [
"Epistemology is the branch of philosophy that deals with the nature of knowledge and similar concepts: what does it mean to know something? How can we know stuff?\n\nSolipsism is usually taken as the skeptic belief that the only thing existing ... | [] | [] | [
[]
] | |
1souo0 | Why are the Jovian planets (gas giants) so much more spread apart from each other than the Terrestrial planets? | The solar system is like this, with o's being Terrestrial planets and a's being Jovian planets:
SUN o o o o a a a a
Why? | askscience | http://www.reddit.com/r/askscience/comments/1souo0/why_are_the_jovian_planets_gas_giants_so_much/ | {
"a_id": [
"cdzvk9i",
"ce01463"
],
"score": [
6,
2
],
"text": [
"Mars and Earth have orbits about half an AU apart. If you replaced Mars and Earth with gas giants, their mass would be such that whenever they passed near each other, they would have a pretty strong gravitational deflection.... | [] | [] | [
[],
[
"http://stardate.org/astro-guide/btss/planets",
"http://adsabs.harvard.edu/abs/2005DPS....37.2507M",
"http://www.universetoday.com/106759/"
]
] | |
3c1wzc | How do historians view Tom Holland's "In The Shadow of the Sword"? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3c1wzc/how_do_historians_view_tom_hollands_in_the_shadow/ | {
"a_id": [
"csryokx"
],
"score": [
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],
"text": [
"/u/shlin28 has a few views on this\n\n_URL_1_\n\n_URL_2_\n\nthe historical doubt article seems especially good with comments by others like /u/yodatsracist . \n\nAnd Tom Holland himself briefly talks about his reception to his work in his history... | [] | [] | [
[
"http://thehistoryofbyzantium.com/2014/11/06/episode-57-why-did-the-arabs-win-part-2-in-the-shadow-of-the-sword/",
"https://www.reddit.com/r/AskHistorians/comments/1c4p2p/is_there_historical_doubt_of_the_historical/",
"https://www.reddit.com/r/AskHistorians/comments/29rerl/flaws_in_the_book_beyond_the... | ||
49dpmo | why do college professors curve test grades? wouldn't that just encourage laziness and be an example of the failure of the instructor's efforts to ensure students learn? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/49dpmo/eli5_why_do_college_professors_curve_test_grades/ | {
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3iyowg | why is it so much cheaper to have apparel goods manufactured overseas vs domestic shops? | I mean things such as t-shirts, jackets, hats. The price from a typical sweatshirt here vs a manufacturing shop overseas. Why is that? When lots of apparel companies use the same type of shops then sell us the parties marked up 1000 percent. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3iyowg/eli5why_is_it_so_much_cheaper_to_have_apparel/ | {
"a_id": [
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"score": [
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"text": [
"Because what factories pay a worker in a third-world country is far less than a unionized textile worker will make in the United States.",
"Firstly, the manufacturing process is much cheaper overseas for a number of reas... | [] | [] | [
[],
[]
] | |
8e0bfy | how formalin conserves, preserves and fixes organic tissues | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8e0bfy/eli5_how_formalin_conserves_preserves_and_fixes/ | {
"a_id": [
"dxrgafp",
"dxrgiiw"
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"score": [
3,
2
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"text": [
"The technical name is formaldehyde.\n\nFormaldehyde is toxic because it forms \"cross links\" aka \"adducts\" with both proteins and DNA. That is, forming chemical bridges between nearby protein chains , DNA helices, or bot... | [] | [] | [
[],
[]
] | ||
aiap4k | Did the creation and existence of the Roman praetorian guard somehow affect the rest of the Roman military? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/aiap4k/did_the_creation_and_existence_of_the_roman/ | {
"a_id": [
"een2h1z"
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"score": [
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"text": [
"One big impact was that the Roman praetorian guard was the highest ranking and most powerful part of the Roman military for much of the Empire's history. It had constant access to the imperial family, the highest pay, the most prestige and some o... | [] | [] | [
[]
] | ||
6u6mey | how does pain dissipate so quickly after the initial shock? | For example, i got a scratch today which stung badly for about 20 seconds before it stopped hurting completely. the scratch was still there and starting to bleed, so obviously the damage hasn't be healed, but what actually happens to the nerves that cause the pain to stop being felt? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6u6mey/eli5_how_does_pain_dissipate_so_quickly_after_the/ | {
"a_id": [
"dlqe3p8",
"dlrr0x7"
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"score": [
3,
2
],
"text": [
"The pain was in response to the act of getting scratched. After that, the damage is already done, so the nerves will only register pain if you touch the wound or get another injury.",
"The body also releases endorphins, ... | [] | [] | [
[],
[
"http://altered-states.net/barry/newsletter260/"
]
] | |
20y9dv | What is the advantage of Lebesgue integration over Riemann integration? | Are there applications in which only one definition is defined/useful? Additionally, are there any situations in which the Riemann definition would be preferred? | askscience | http://www.reddit.com/r/askscience/comments/20y9dv/what_is_the_advantage_of_lebesgue_integration/ | {
"a_id": [
"cg7zqfm",
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3
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"text": [
"Every Riemann-integrable function is also Lebesgue-integrable, but not vice-versa.\n\nExample: f(x) = 0 if x is rational and 1 if x is irrational.\n\nThe Riemann integral of f from x=0 to x=1 is undefined, but the Lebesgue i... | [] | [] | [
[],
[]
] | |
6mmxen | why does water expand when it becomes solid even though particles in solids are closer together? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6mmxen/eli5_why_does_water_expand_when_it_becomes_solid/ | {
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"dk2q6f3",
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"score": [
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3,
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"text": [
"It's the shape of the molecules that Ice is made of that cause this. Water molecules are a little 'free-flowy' but ice molecules make a ridge shape with lots of open space, so they expand.",
"Water... | [] | [] | [
[],
[],
[]
] | ||
nto4u | why is cutting spending to balance a budget during recession a bad thing? | I've read several posts referring to the GOP approach to cutting spending during the current US Recession as a bad thing when attempting to balance the budget.... why is this? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/nto4u/eli5_why_is_cutting_spending_to_balance_a_budget/ | {
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"text": [
"Cutting spending can mean more indirect methods of balancing the budget - in addition to eli... | [] | [] | [
[],
[],
[],
[
"http://en.wikipedia.org/wiki/Deflation#Deflationary_spiral"
],
[],
[],
[],
[
"http://en.wikipedia.org/wiki/Deflation#Deflationary_spiral"
]
] | |
2c03r9 | Help needed in deciphering WWII map symbol | I am working on a WWII project specific to Operation Dragoon, and in reviewing the period maps for beach 264-A (Camel Green Beach, landing zone for the 36th INF), I see several instances of this map symbol linked below:
* _URL_0_
However, this symbol is conspicuously absent from the map key, and I'm trying to figure ... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2c03r9/help_needed_in_deciphering_wwii_map_symbol/ | {
"a_id": [
"cjb3seg",
"cjb7ysx"
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"score": [
2,
2
],
"text": [
"*If* its actually a unit marker, its probably a [maintenance unit](_URL_1_). However, It seems suspicious that there is no unit markings, no size, and no unit identifies. For example, [this](_URL_0_) symbol is what I would t... | [] | [
"http://i.imgur.com/Ntb39lH.png"
] | [
[
"http://www.warandtactics.com/Images/nato_tacsymbs/1movement.gif",
"http://army.ca/wiki/images/3/37/Map_Symbols.jpg"
],
[
"http://armypubs.army.mil/doctrine/DR_pubs/dr_a/pdf/fm1_02.pdf"
]
] | |
ebx0ic | why can icicles form on power lines, even though the current running through them should be strong enough to melt them? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ebx0ic/eli5_why_can_icicles_form_on_power_lines_even/ | {
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"fb7ot9i",
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"fb7p8w9",
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"score": [
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2,
2,
2,
2
],
"text": [
"Electricity 9nly creates heat if there is a lot of electric resistance. If there was a lot of electric resistance in power lines not only would they heat up t... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
y0nur | Why was Poland never paid reparations for WW2? | Over 6 million Polish citizens dead (including Polish Jews), cities like Warsaw [purposely](_URL_0_) destroyed to the ground, and whole libraries burned.. I really don't see how Poles were never given any kind of reparations. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/y0nur/why_was_poland_never_paid_reparations_for_ww2/ | {
"a_id": [
"c5r975v",
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"score": [
5,
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"text": [
"Well, the Allies tried doing reparations after World War I and that didn't turn out so well....\n\nBut more completely, reparations from Germany in WWII was largely by using German POWs as [forced labor](_URL_0_) . There are... | [] | [
"http://en.wikipedia.org/wiki/Planned_destruction_of_Warsaw"
] | [
[
"http://en.wikipedia.org/wiki/Forced_labor_of_Germans_after_World_War_II"
],
[]
] | |
3rq3a9 | why is america constantly freaking out about healthy lifestyles and the obesity epidemic, but then crucifying people for fat shaming and not having fat models, actors, actresses, etc.? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3rq3a9/eli5_why_is_america_constantly_freaking_out_about/ | {
"a_id": [
"cwqby22",
"cwqc1fl"
],
"score": [
3,
2
],
"text": [
"America is a massive country with lots of people. Unlike some groups *cough* reddit *cough*, these people do not agree on everything and have varied opinions.",
"Probably the same person criticizing fat shaming isn't th... | [] | [] | [
[],
[]
] | ||
1pepmo | When, in recent history, have Democrats made a terrible mistake that affected the United States? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1pepmo/when_in_recent_history_have_democrats_made_a/ | {
"a_id": [
"cd1kn08"
],
"score": [
2
],
"text": [
"Removed. This is both loaded, and a poll-style question."
]
} | [] | [] | [
[]
] | ||
129vld | How hard would it be to open a soda bottle in space? | I mean a bottle that you need a bottle opener to use, not the twist caps. Do soda bottle made on Earth have air under their lid or a vacuum? How would this affect the difficulty? | askscience | http://www.reddit.com/r/askscience/comments/129vld/how_hard_would_it_be_to_open_a_soda_bottle_in/ | {
"a_id": [
"c6te1f9",
"c6tebs1"
],
"score": [
2,
9
],
"text": [
"Soda bottles are under pressure, not vacuum. \n\nIf you brought a pressurized soda bottle / can into space it may explode due to the pressure differential and the weak plastic or glass. If not, it would be quite easy to ope... | [] | [] | [
[],
[]
] | |
iidn1 | How do bugs hibernate for so long if they have a short lifespan? | I always wondered how bugs come back every year and I kind of assumed they migrated. Apparently some do but also some hibernate, like mosquitoes. But I only see them during the summer. How do bugs with short lifespans not go extinct every winter? | askscience | http://www.reddit.com/r/askscience/comments/iidn1/how_do_bugs_hibernate_for_so_long_if_they_have_a/ | {
"a_id": [
"c2402cu"
],
"score": [
3
],
"text": [
"I'll address mosquitoes specifically, they do one of three things:\n\n1. \nMosquito females lay eggs in late fall. They lay them in moist ground, which promptly freezes at the start of winter. This freezing renders the egg dormant, and little ... | [] | [] | [
[]
] | |
g36kl7 | why do children and teens grow in spurts or bursts, rather than continuously? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/g36kl7/eli5_why_do_children_and_teens_grow_in_spurts_or/ | {
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"score": [
55,
5370,
483,
4,
7,
24,
2,
2,
2,
3,
4
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"text": [
"I think you are con... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
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[],
[
"https://www.washingtonpost.com/archive/politics/1992/10/30/growing-up-overnight/744a0019-b235-438b-b572-790ce2e4784e/"
],
[]
] | ||
6zkxgb | why do some people have the inability to float in water? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6zkxgb/eli5_why_do_some_people_have_the_inability_to/ | {
"a_id": [
"dmw2jx7",
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"score": [
3,
2,
2,
2
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"text": [
"You may have hard that humans are made up of mostly water. About two thirds is the ballpark. That neither helps you sink or float since there's no difference to the surrounding w... | [] | [] | [
[],
[],
[],
[]
] | ||
12q9xt | What is the ideal population of humans on Earth, in the interest of the sustainability of resources and the environment? Will global population growth slow as more countries become industrialized? | askscience | http://www.reddit.com/r/askscience/comments/12q9xt/what_is_the_ideal_population_of_humans_on_earth/ | {
"a_id": [
"c6x8nhp"
],
"score": [
2
],
"text": [
"There is probably no universal optimum number...\n\nA lot of the problems humanity has are caused by mismanagement and waste of the resources we have. I'd like to see a figure based on how humanity currently fails to properly co-operate and manag... | [] | [] | [
[]
] | ||
uvtk3 | every night the same question! why do most electric fans start on high? | Every fan I have ever owned goes from off, high, medium, low. Why? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/uvtk3/every_night_the_same_question_why_do_most/ | {
"a_id": [
"c4z04xo"
],
"score": [
4
],
"text": [
"_URL_0_\n\nLinking the thread so credit goes where it is due"
]
} | [] | [] | [
[
"www.reddit.com/r/explainlikeimfive/comments/oh89i/eli5_why_every_fan_ive_ever_seen_has_the_speed/"
]
] | |
32e25w | is there a possible way to speed up the process of ridding a location of radiation? for example, after a nuclear accident such as in japan or at chernobyl. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/32e25w/eli5_is_there_a_possible_way_to_speed_up_the/ | {
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"cqacbry",
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"score": [
3,
7,
2,
2
],
"text": [
"It's important to understand the difference between radiation (energetic rays and particles) and contamination (finely divided bits of material that emit radiation). Radiation is g... | [] | [] | [
[],
[],
[
"http://discovermagazine.com/2013/julyaug/13-mushrooms-clean-up-oil-spills-nuclear-meltdowns-and-human-health"
],
[
"http://www.popsci.com/science/article/2011-05/cleaning-japans-radioactive-mess-novel-new-blue-goo"
]
] | ||
1uccjr | why do you have to tell yourself to chew(or anything else), but you don't have to tell yourself to breathe? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1uccjr/eli5why_do_you_have_to_tell_yourself_to_chewor/ | {
"a_id": [
"cegm5sm",
"cegpb8b"
],
"score": [
7,
3
],
"text": [
"You need to breathe literally **all the time**. You only need to chew for a maximum of an hour a day, generally much less. If you had to consciously breathe or beat your heart, then that would add extra strain to your cognit... | [] | [] | [
[],
[]
] | ||
690p8f | why kid's remedies taste good, while adult's remedies taste so bad? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/690p8f/eli5_why_kids_remedies_taste_good_while_adults/ | {
"a_id": [
"dh2qyxj"
],
"score": [
3
],
"text": [
"They add sugar and flavorings so you can get the fussy brats to take them for their own good.\n\nAdults understand why it is important to take medicine and are mature enough to put up with a little bad taste."
]
} | [] | [] | [
[]
] | ||
5ia18k | why is kayne west such a controversial figure ? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ia18k/eli5why_is_kayne_west_such_a_controversial_figure/ | {
"a_id": [
"db6jdj1",
"db6kjom"
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"score": [
8,
4
],
"text": [
"Guy who occasionally makes amazing music regards himself as a much bigger figure than he actually is because he says that's the type of mindset an artist needs to have.",
"Kanye West is controversial because enough peopl... | [] | [] | [
[],
[]
] | ||
1gklys | why does a circuit need to be connected to ground in order to work? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1gklys/eli5_why_does_a_circuit_need_to_be_connected_to/ | {
"a_id": [
"cal4lww"
],
"score": [
5
],
"text": [
"First of all: electrical engineers will use the term *ground* for electrical connections to the soil ([example](_URL_0_)), but also for a return path of electricity that is *not* connected to the earth in any way (e.g. in your mobile phone).\n\nT... | [] | [] | [
[
"http://upload.wikimedia.org/wikipedia/commons/7/7d/HomeEarthRodAustralia1.jpg"
]
] | ||
3e69vw | how is a cpu heatsink more effective than just having a fan blow straight over the surface of the chip? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3e69vw/eli5_how_is_a_cpu_heatsink_more_effective_than/ | {
"a_id": [
"ctbvzsv",
"ctbw1ha",
"ctbxxxf"
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"score": [
5,
2,
2
],
"text": [
"Air is not a very good heat conductor. The heat sink \"fixes\" that by transferring the heat from the CPU to a bigger surface (which is why it has ribs). \n\nAlso [search, damn it!](_URL_0_)",
"In s... | [] | [] | [
[
"https://www.reddit.com/r/explainlikeimfive/search?q=heatsink&restrict_sr=on"
],
[],
[]
] | ||
2ry2gc | What influence did religion have on the Cold War? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2ry2gc/what_influence_did_religion_have_on_the_cold_war/ | {
"a_id": [
"cnl0ina"
],
"score": [
2
],
"text": [
"There was a similar question asked specifically about the US, just yesterday:\n\n_URL_0_\n\nYou might find the answer you're looking for there, otherwise; are you asking for a broad strokes answer, or is there a specific aspect in which you're pa... | [] | [] | [
[
"http://www.reddit.com/r/AskHistorians/comments/2ruzcm/questions_about_us_religion_and_the_cold_war/"
]
] | ||
1anwnc | I recently read that electrons move through graphene as if they have no mass. Is this true? If so, is it known how or why it happens? | askscience | http://www.reddit.com/r/askscience/comments/1anwnc/i_recently_read_that_electrons_move_through/ | {
"a_id": [
"c8z834b",
"c8z8xtn",
"c8z93h8"
],
"score": [
2,
2,
3
],
"text": [
"Are you sure you read that or did you hear it on the Big Bang Theory TV show?",
"This is true, and yes, it is known why this happens, but it is not easy to explain in a non-technical way. Here is a... | [] | [] | [
[],
[
"http://www.zdnet.com/how-does-graphene-work-3040093081/"
],
[
"http://en.wikipedia.org/wiki/Band_gap",
"http://en.wikipedia.org/wiki/Effective_mass_%28solid-state_physics%29"
]
] | ||
a2apcj | If senate races are staggered in the US, how did the process work when the country was first born? Did some senators get to serve 2 more years and others 4? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/a2apcj/if_senate_races_are_staggered_in_the_us_how_did/ | {
"a_id": [
"eawpxoq",
"eax3pe9"
],
"score": [
28,
2
],
"text": [
"Basically yes. Per article I, section 3 of the Constitution\n\n > Immediately after they shall be assembled in Consequence of the first Election, they shall be divided as equally as may be into three Classes. The Seats of t... | [] | [] | [
[],
[]
] | ||
2dkr7k | when concerts sell out in 10 minutes why doesn't the artist just book a bigger venue so more people can come? | Concerts will sell out within minutes for big artists performing at a small venue. Why don't they just play at a bigger one so more people can come. They'd be selling more tickets so it seems like a win win. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2dkr7k/eli5_when_concerts_sell_out_in_10_minutes_why/ | {
"a_id": [
"cjqew29",
"cjqf05q",
"cjqfuwo"
],
"score": [
4,
2,
2
],
"text": [
"Most of the time they are playing at the largest venue in the area. ",
"Ignoring the issue of the costs involved of breaking the contract with the venue, transferring tickets from one venue to anoth... | [] | [] | [
[],
[],
[
"http://www.npr.org/blogs/therecord/2011/04/07/134851302/the-concert-ticket-food-chain-where-your-money-goes"
]
] | |
3n9iyw | why is everyone stepping down from their positions in government? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3n9iyw/eli5_why_is_everyone_stepping_down_from_their/ | {
"a_id": [
"cvm1n75"
],
"score": [
3
],
"text": [
"Could you be more specific? From what I can see \"everyone\" isn't."
]
} | [] | [] | [
[]
] | |
3ljq1q | how do developed countries deal with government corruption very well? how do these governments' differ with third-world countries who struggle with it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3ljq1q/eli5_how_do_developed_countries_deal_with/ | {
"a_id": [
"cv6v3dp",
"cv6vnaf",
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"cv70zo8",
"cv7ov7y",
"cv7sasq"
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"score": [
10,
3,
40,
10,
3,
2
],
"text": [
"They can pay their officials better, and they have the wealth to afford large numbers of police, lawyers and investigators. ",
"T... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | ||
2pa5w9 | how my flight from melbourne to dubai took 16 hours but my flight from doha to melbourne takes 13? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2pa5w9/eli5_how_my_flight_from_melbourne_to_dubai_took/ | {
"a_id": [
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],
"score": [
5,
2
],
"text": [
"I belive it actually has to do with the jet-stream, which is a layer of air that is moving at several hundred miles per hour relative to the surface, but in a more objective sense, this air is not moving (much) with the eart... | [] | [] | [
[],
[]
] | ||
6y2kvk | why does our eye colour gets darker when we're tired? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6y2kvk/eli5_why_does_our_eye_colour_gets_darker_when/ | {
"a_id": [
"dmk78qd"
],
"score": [
2
],
"text": [
"It doesn't. It's possible for your pupils to dilate (get larger) when you're tired, and that can make your eyes appear darker because your pupils are black and taking up proportionately more space. In general, your pupils dilate more when the lig... | [] | [] | [
[]
] | ||
xc8tl | Are there any sports where women are actually better than men? | askscience | http://www.reddit.com/r/askscience/comments/xc8tl/are_there_any_sports_where_women_are_actually/ | {
"a_id": [
"c5l3gep",
"c5l3sst"
],
"score": [
2,
2
],
"text": [
"A few candidates for discussion...\n\nGymnastics\n\nHorse Riding\n\nTaekwondo\n\nNetball",
"It would be helpful if we defined what a \"sport\" is, for the purposes of this conversation. Generally, men have an advantage ... | [] | [] | [
[],
[]
] | ||
8habd5 | why were spartans especially the warriors considered laconic? and in what ways did this effect their speech/social etiquette? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8habd5/eli5_why_were_spartans_especially_the_warriors/ | {
"a_id": [
"dyi86x4"
],
"score": [
22
],
"text": [
"Just a quick point of order - The Spartans would have called themselves Lacedaemonians. The word Laconic is from that word. So Spartans talked laconically because speaking laconically meant speaking like someone from Lacedaemonia aka Sparta.\n... | [] | [] | [
[]
] | ||
27t8dx | What is the origin of sleeves? | Just wondering, did they originate from one place, or did several cultures invent sleeves independently of one another? I imagine they were necessary in cold climates, so were they a foreign concept to, say, the pre-Columbian tropics? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/27t8dx/what_is_the_origin_of_sleeves/ | {
"a_id": [
"ci5u72t"
],
"score": [
2
],
"text": [
"The origin of sleeves comes from the first tunics. \n\nThe earliest garments were a single piece of cloth that was wrapped around the body, found in many ancient cultures around the world. Some are still worn today, such as the Indian sari (altho... | [] | [] | [
[
"http://www.amazon.ca/Cut-My-Cote-Dorothy-Burnham/dp/0888540469/ref=sr_1_1?ie=UTF8&qid=1402595095&sr=8-1&keywords=cut+my+cote",
"http://www.metmuseum.org/collection/the-collection-online/search/548736?rpp=30&pg=1&ft=tunic&when=2000-1000+B.C.&pos=5"
]
] | |
404mul | how do images get "picked" to be on the front page of a search? | Recently noticed how the Nazi flag comes up when searching Comcast.... how does something like this happen? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/404mul/eli5_how_do_images_get_picked_to_be_on_the_front/ | {
"a_id": [
"cyrg1yk"
],
"score": [
5
],
"text": [
"The exact algorithms that each company uses are closely guarded trade secrets.\n\nTypically they have a program that sifts through the web and tries to find associations between words and images. They also have a way of recognizing images that a... | [] | [] | [
[
"https://www.reddit.com/r/circlejerk/comments/2wqfxf/til_that_comcast_was_a_company_created_by_hitler/"
]
] |
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