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1br7u0
why is it bad to stick a knife in a toaster?
Is it actually dangerous to stick metal knife or fork into a toaster? If so why? I can touch the heating elements on my stove with metal things and nothing happens. Shouldn't it be the same deal for a toaster?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1br7u0/eli5_why_is_it_bad_to_stick_a_knife_in_a_toaster/
{ "a_id": [ "c999ktx" ], "score": [ 13 ], "text": [ "The heating elements in the toaster are electrically insulated, but could easily be nicked by a knife, causing you to be electrocuted. Even if you have it off or unplugged, you could still knick the element, causing a short circuit or electrocu...
[]
[]
[ [] ]
24m4gf
how do social media communities start when they have no users?
I don't understand how some of these communities that rely on having other users start, when it's not beneficial for the new users to use it. For example a dating site; i'm not going to join a site that has 30 members.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/24m4gf/eli5how_do_social_media_communities_start_when/
{ "a_id": [ "ch8gdjl", "ch8lhii" ], "score": [ 6, 6 ], "text": [ "This is the reason most of them fail. The genius of Facebook was that it started with a small, elite community and expanded from there. You need a ton of capital because it takes a long time to get up to a critical mass that...
[]
[]
[ [], [] ]
3f7mqo
If the Bible remained (mostly) untranslated from Latin and Greek in Medieval Christendom and church services were conducted in those languages, how did language-specific forms of Biblical names enter the vernacular?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/3f7mqo/if_the_bible_remained_mostly_untranslated_from/
{ "a_id": [ "ctmu4vb" ], "score": [ 2 ], "text": [ "Since these names would have first been introduced before the liturgical/spoken languages diverged (and not from later localized figures like saints), language-specific versions of names developed through the same process by which, say, Latin evo...
[]
[]
[ [] ]
b6x0su
AskHistorians Podcast 133 -- We Have Met The Enemy and They Are U.S. -- The Militia and the War of 1812
[**Episode 133 is up!**](_URL_1_/askhistorians-podcast-133-we-have-met-the-enemy-and-they-are-us-the-militia-and-the-war-of-181) The [AskHistorians Podcast](_URL_1_) is a project that highlights the users and answers that have helped make r/AskHistorians one of the largest history discussion forums on the internet. Yo...
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/b6x0su/askhistorians_podcast_133_we_have_met_the_enemy/
{ "a_id": [ "ejpvyv7", "ejqqjby", "ejxtiab" ], "score": [ 4, 3, 2 ], "text": [ "Great episode. My hometown was the site of [a battle of the War of 1812](_URL_0_) that puts on a re-enactment every year so I always enjoy hearing more about the war. \n\nSmall correction: the song \"Th...
[]
[ "https://www.youtube.com/channel/UCJudPwztZyg2BQjhetw_bww", "http://askhistorians.libsyn.com", "http://askhistorians.libsyn.com/askhistorians-podcast-133-we-have-met-the-enemy-and-they-are-us-the-militia-and-the-war-of-181", "https://play.google.com/music/podcasts/portal#p:id=playpodcast/series&a=10083151...
[ [ "https://en.m.wikipedia.org/wiki/Battle_of_Stoney_Creek" ], [], [] ]
3c254s
What does pure protein look like?
A protein bar label usually informs you that there are "20 grams of protein" in the bar. What would these 20 grams of protein look like if it was isolated?
askscience
http://www.reddit.com/r/askscience/comments/3c254s/what_does_pure_protein_look_like/
{ "a_id": [ "css6jfu" ], "score": [ 10 ], "text": [ "the term protein is rather vague. different proteins in different configurations will have different optical properties. pure isolated individual amino acids as you would purchase from a scientific supplier such as sigma aldrich would be a white...
[]
[]
[ [] ]
45qz8w
I've heard the Viking Conquest happened due to overpopulation back home. What caused this?
To the best of my knowledge there were no advances in medicine and people were still killing each other. Why in the 800s were there suddenly too many people?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/45qz8w/ive_heard_the_viking_conquest_happened_due_to/
{ "a_id": [ "d002xau" ], "score": [ 5 ], "text": [ "Historians in the 1800s and early 1900s thought that overpopulation may have driven viking raids because the sources said so—and perhaps because overpopulation seemed to be a cause of their contemporary problems as well. But modern historians are...
[]
[]
[ [ "https://www.reddit.com/r/AskHistorians/comments/44u5dh/why_did_the_norse_emigrate_to_iceland/", "https://en.wikipedia.org/wiki/Medieval_Warm_Period" ] ]
vcvza
If the DNA is the same in every cell, how does the body know to build an arm here, run a blood vessel there, put a femur in the thigh, and put 4 chambers in the heart?
I think I understand that the DNA in cells command the cell to make certain types of amino acids which then form into proteins, and that's difference between an epithelial or goblet cell or connective or muscular neuron cell. But if the DNA is the same, how do the cells end up making different proteins? And how do th...
askscience
http://www.reddit.com/r/askscience/comments/vcvza/if_the_dna_is_the_same_in_every_cell_how_does_the/
{ "a_id": [ "c53d5d8", "c53daxg", "c53f5qz" ], "score": [ 2, 11, 3 ], "text": [ "It is very complicated but there are many transcription factors that can inhibit or enhance different genes from being expressed in the DNA and even at the chromosomal level some of the chromatin is ne...
[]
[]
[ [], [], [ "http://en.wikipedia.org/wiki/Emergence", "http://en.wikipedia.org/wiki/File:Hoxgenesoffruitfly.svg", "http://en.wikipedia.org/wiki/Transcription_factor", "http://en.wikipedia.org/wiki/Preformationism", "http://en.wikipedia.org/wiki/Hox_gene", "http://en.wikipedia.org/wiki/Ante...
cjnn8j
how do japanese internet users use so many different characters to make custom emoticons and why did no one else do the same?
How did Japanese internet users know the right symbols to use out of the thousands of Unicode symbols to make a particular face? Emoticons such as ლ( ◕ 益 ◕ ) ლ ԅ༼ ・ 〜 ・ ༽╯(⁄ ⁄•⁄ω⁄•⁄ ⁄) use symbols from relatively obscure languages and typesets from all over the Unicode catalog that are sometimes otherwise almost never ...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/cjnn8j/eli5_how_do_japanese_internet_users_use_so_many/
{ "a_id": [ "evej9ow", "evevnum" ], "score": [ 2, 8 ], "text": [ "As a non-japanese person with a basic understanding of the japanese language:\n\nBecause Japanese uses the chinese characters (of which there are many thousands) they just have a autocomplete-like feature where they enter a ...
[]
[]
[ [], [ "https://en.wikipedia.org/wiki/Shift_JIS_art", "https://en.wikipedia.org/wiki/2channel" ] ]
bbox3h
why won’t “old phone” be able to work in a 5g network? do we have to get new phones when 5g becomes a more prominent thing?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/bbox3h/eli5_why_wont_old_phone_be_able_to_work_in_a_5g/
{ "a_id": [ "ekka04f", "ekkauea", "ekkcaqb", "ekkcn7e", "ekkcuwp", "ekkjwei" ], "score": [ 16, 5, 7, 2, 3, 3 ], "text": [ "The way I like to explain it:\n\nThink of network technologies like languages. \n\n5G speaks Arabic.\n\n4G speaks Chinese.\n\n3G speaks...
[]
[]
[ [], [], [], [], [], [] ]
7ot57z
can you define "time" without using a concept associated with it?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7ot57z/eli5_can_you_define_time_without_using_a_concept/
{ "a_id": [ "dsc1j74" ], "score": [ 3 ], "text": [ "Science has already done this.\n\n_URL_0_\n\nNumber of vibrations of a certain atom. In the past things it's been defined by things such as revolution of the earth, lunar cycle, oscillations of a pendulum, how long it takes earth to orbit the sun...
[]
[]
[ [ "https://en.wikipedia.org/wiki/Second" ] ]
237246
How is the result "1+2+3+4+...=-1/12" used in string theory if it's based on a faulty proof?
_URL_0_ This video has been floating around facebook, and people have been saying that the proof is faulty and the results untrue. It's also been said that the result is used in string theory, and the beginning of the video shows it in a textbook for the subject. Is the proof just a good enough approximation? Is ther...
askscience
http://www.reddit.com/r/askscience/comments/237246/how_is_the_result_1234112_used_in_string_theory/
{ "a_id": [ "cguc1ig", "cguc40t", "cguq5aa", "cgvzmz6" ], "score": [ 11, 3, 5, 4 ], "text": [ "My apologies but this is a hard question to answer without some analysis, I hope it's understandable, I've tried my best but it goes pretty deep.\n\nThis question rests deeply on ...
[]
[ "https://www.youtube.com/watch?v=w-I6XTVZXww" ]
[ [], [ "https://www.nottingham.ac.uk/~ppzap4/response.html" ], [ "https://en.wikipedia.org/wiki/Riemann_zeta_function" ], [ "http://en.wikipedia.org/wiki/Renormalization" ] ]
2hjxgp
when a top starts to slow down and begin to tip over, the spin reverses direction. why?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2hjxgp/eli5_when_a_top_starts_to_slow_down_and_begin_to/
{ "a_id": [ "cktcglc" ], "score": [ 7 ], "text": [ "That's an optical illusion created by it rotating slower." ] }
[]
[]
[ [] ]
101t0d
Jobs/Careers circa 18th century Europe
Doing a report on the French Revolution, the topic i chose was professions during the late 18th century in Europe. As it turned out, there is not as much information on the matter as I had hoped...any help?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/101t0d/jobscareers_circa_18th_century_europe/
{ "a_id": [ "c69nonr" ], "score": [ 2 ], "text": [ "You would have soldiers and officers, bakers, cobblers and cordwainers, some apothocaries and even fewer doctors of physick...Think of all the things you need in life and then who would have to make them if you couldn't just go to the store and g...
[]
[]
[ [] ]
3ghsh9
why are republicans stereotyped as racist when lincoln (who emancipated the slaves) was republican, and democrats perpetuated and enforced jim crow era laws?
This question (in a more simplified form) was asked by my 12 year old daughter after she heard on the news a pundit say Republicans are racist. We're not a family that is really into politics (or history). Still, I want to giver her a decent answer, which I can't seem to find on Google. Please keep in mind that I will...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3ghsh9/eli5_why_are_republicans_stereotyped_as_racist/
{ "a_id": [ "cty814d", "cty82wf", "cty83fl", "cty87tx", "cty89dj", "cty8yfb", "cty9b5a", "cty9ddp", "ctyc1ta", "ctydrpn" ], "score": [ 5, 20, 3, 7, 6, 2, 2, 2, 2, 3 ], "text": [ "The Republican and Democrat parties switched id...
[]
[]
[ [], [], [], [], [ "http://www.thenation.com/article/gops-blatant-racism/", "https://en.wikipedia.org/wiki/Southern_strategy" ], [], [], [], [], [] ]
r0z2g
why is blackmail illegal?
I would imagine there is some historical context. Feel free to ELI12.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/r0z2g/eli5_why_is_blackmail_illegal/
{ "a_id": [ "c420u5n" ], "score": [ 12 ], "text": [ "its coercion or extortion involving a threat of harm or slander.\n\nyoure basically demanding money under threat of harm. " ] }
[]
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[ [] ]
2ji7zo
what does data actually cost the mobile operators?
Not what they charge the customers obviously but what does the data cost the operators. I assume the figure will cost what they paid for the bandwidth from the authorities and the costs of network hardware/improvement etc
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2ji7zo/eli5_what_does_data_actually_cost_the_mobile/
{ "a_id": [ "clbyfnl", "clc14wf", "clc1hjn", "clc4zqx" ], "score": [ 68, 2, 2, 6 ], "text": [ "Your phone company is paying for bandwidth not data.\nIt's not about how much they download, it's how much can they download at ONCE.\n\n1gb a second, 500mbit, 5gb etc.\n\nBut wha...
[]
[]
[ [], [], [], [] ]
3jotha
how come when you tilt your head sideways you can still read words and everything looks normal, but if you're upside down everything becomes upside down. why doesn't the world become sideways?
Plz
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3jotha/eli5_how_come_when_you_tilt_your_head_sideways/
{ "a_id": [ "cur7qki", "curaelu", "curdcex", "curizsi" ], "score": [ 59, 7, 11, 2 ], "text": [ "Get real close to a mirror and look at your eyes. Continue gazing into your eyes as you tilt your head side to side. You will see your eyes rotate to compensate.", "You can l...
[]
[]
[ [], [], [], [] ]
868hui
If the universe is expanding, what is it taking the place of?
I'm having a hard time wrapping my head around the concept of an ever-expanding universe. If the volume of the universe is increasing, then what is outside of it? Where can the edges of the universe go if there is nothing on the other side? Also isn't space just nothing? How can nothing expand? And if there's nothing o...
askscience
https://www.reddit.com/r/askscience/comments/868hui/if_the_universe_is_expanding_what_is_it_taking/
{ "a_id": [ "dw36xp0", "dw3b1rp", "dw3j4k1", "dw3uaad", "dw3wwhj", "dw3y0fl", "dw3ygf8", "dw4023n", "dw40615", "dw40gyf", "dw414xz", "dw41795", "dw41bsi", "dw41gm0", "dw43meb", "dw44bqq", "dw45fj6", "dw487j1", "dw495dd", "dw49lwi", "d...
[]
[]
[ [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [ "https://en.wikipedia.org/wiki/Hilbert%27s_paradox_of_the_Grand_Hotel" ], [], [], [], [] ]
48jchi
when watching poker on tv, how can the graphic calculate the chips bet so quickly?
Sometimes they just throw a handful of chips in to the pot, and before you can even see how many chips are in there, let alone the value of those chips, the graphic shows exactly how much they have bet. Even when they don't say how much they bet/raise or whatever
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/48jchi/eli5_when_watching_poker_on_tv_how_can_the/
{ "a_id": [ "d0k13j7" ], "score": [ 10 ], "text": [ "The obvious answer is that you are not watching a live feed and the graphics were edited in afterwards." ] }
[]
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[ [] ]
tw1oy
how are proteins formed?
I have my GCSE Biology exam tomorrow and this DNA stuff is just going over my head. Can somebody dumb it down for me?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/tw1oy/eli5_how_are_proteins_formed/
{ "a_id": [ "c4q7pfm", "c4q7vpk", "c4qik32" ], "score": [ 14, 2, 2 ], "text": [ "Proteins are basically long long chains of molecules called *amino acids*. The particular sequence of amino acids in a protein determines the shape it will bend itself into, which determines what it wi...
[]
[]
[ [ "http://www.youtube.com/watch?v=D3fOXt4MrOM" ], [], [] ]
1ljdu5
what are the lines across some bodies of water on large satellite image maps?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1ljdu5/eli5_what_are_the_lines_across_some_bodies_of/
{ "a_id": [ "cbztqhc", "cbzudlc" ], "score": [ 5, 2 ], "text": [ "Those are where the satellite took a long series of photos as it passed overhead in lines, and the photos were later stitched together with imperfect colour correction, so you see the edges of the photo series.", "Becaus...
[]
[]
[ [], [] ]
2025mm
is it possible that the human race could evolve to live without rest/sleep?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2025mm/eli5_is_it_possible_that_the_human_race_could/
{ "a_id": [ "cfz2np3", "cfz4n60" ], "score": [ 2, 2 ], "text": [ "This is a great question! I have absolutely no scientific proof to back this up, but, given enough time (billions of years) I think ANYTHING is possible in regards to evolution. We evolved from single-cell creatures. No reas...
[]
[]
[ [], [] ]
8604e2
how does mdma make people feel happy and magical? was the happiness already inside the mind in the first place?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8604e2/eli5_how_does_mdma_make_people_feel_happy_and/
{ "a_id": [ "dw1dsdz", "dw1ep89", "dw1f1o1" ], "score": [ 18, 8, 3 ], "text": [ " > Was the happiness already inside the mind in the first place?\n\nYes. MDMA releases all of your serotonin in your brain. That's what creates the feel good feeling.\n\nOf course, you can squeeze al...
[]
[]
[ [], [], [] ]
d82lme
how do massive companies like thomas cook airlines go bust?
Thomas cook airlines ceases trading today with almost 200,000 brits currently abroad and due to fly home with them. Millions of people have upcoming bookings with them. They have thousands of staff as well. How can they go bust? I’m not well read on economics or business but it seems to me that they should be raking ...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/d82lme/eli5_how_do_massive_companies_like_thomas_cook/
{ "a_id": [ "f16pg75", "f16pttm" ], "score": [ 5, 2 ], "text": [ "By having expenses that are even greater than the amount of money they bring in. For example an airline has to lease incredibly expensive planes, and pay for vast amounts of fuel and labor.", "Earlier this year in May th...
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[]
[ [], [] ]
1s1a8j
Why are some alloys better for some musical instruments than others?
Bronze is good for cymbals while brass is good for horns while steel is good for certain drums. Obviously certain combinations "sound better" as time and tradition has shown but, scientifically speaking, why is this so?
askscience
http://www.reddit.com/r/askscience/comments/1s1a8j/why_are_some_alloys_better_for_some_musical/
{ "a_id": [ "cdsy73k" ], "score": [ 2 ], "text": [ "Different metals behave differently when forces are applied to them (be it by percussive nature, or by the air itself). One measure of this is the Young's Modulus. Simply stated, the higher the modulus, the stiffer a material is.\n\nYou can see [...
[]
[]
[ [ "http://en.wikipedia.org/wiki/Young's_modulus#Approximate_values" ] ]
1diyml
If natural or artificial flavorings are supposed to taste like fruit, why does sugar need to be added to soda?
If we have some chemical that makes grape or orange or some other fruit flavored soda, shouldn't they be naturally sweet like the fruits they replace? If not, what is the reason to add a bunch of sugar on top of the flavoring? Or is it that part of the flavoring is sugar, much like natural sugars in fruit? It just seem...
askscience
http://www.reddit.com/r/askscience/comments/1diyml/if_natural_or_artificial_flavorings_are_supposed/
{ "a_id": [ "c9qsnel" ], "score": [ 2 ], "text": [ "Naturally sweet things have sugar too. Fruit, fructose, notice the entomology there? Its on purpose. Fruit can have an enormous amount of free sugars" ] }
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[]
[ [] ]
1okfgm
Did historical army recruits go through basic training?
By historical I mean all. Roman legions, Medieval swordsman, American revolutionaries, British redcoats, African warriors. When was military training standardised?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/1okfgm/did_historical_army_recruits_go_through_basic/
{ "a_id": [ "ccssxkf" ], "score": [ 13 ], "text": [ "There is quite a lot of information out there on the subject of Roman army recruits, and a lot of it can be found in Vegetius' *[De Re Militari](_URL_0_)* which I strongly recommend anyone interested in this topic to check out. I could really go...
[]
[]
[ [ "http://en.wikipedia.org/wiki/De_Re_Militari" ] ]
aw38e4
what is an operating system kernal and what does it do exactly?
I am an aspiring computer engineer and I want to learn more in depth about operating systems. Please do not hesitate to use tough computer systems jargon. I know a thing or two about linux, but not that quite well. I am currently using linux mint and kali just for the sake of it. I know linux at first is just a ker...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/aw38e4/eli5_what_is_an_operating_system_kernal_and_what/
{ "a_id": [ "ehjmka1", "ehjmsak", "ehjmunj", "ehjmuqb", "ehjojqo" ], "score": [ 2, 7, 3, 2, 3 ], "text": [ "An operating system can be divided into two basic parts, a kernel and a shell. The kernel refers to all the aspects that directly interact with the system it...
[]
[]
[ [], [], [ "https://en.wikipedia.org/wiki/GNU_Hurd" ], [], [ "https://social.technet.microsoft.com/Forums/getfile/1037088" ] ]
5lvlzr
how much power does the computer need to fully emulate human's brain?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5lvlzr/eli5_how_much_power_does_the_computer_need_to/
{ "a_id": [ "dbysurz", "dbyt5qc", "dbyu2u7", "dbyuamb", "dbz501w" ], "score": [ 41, 4, 6, 10, 9 ], "text": [ "since we don't have anywhere near enough knowledge of how the human brain works to be able to make a computer emulate one, the correct answer is:\n\nNo one ...
[]
[]
[ [], [], [], [], [ "https://en.wikipedia.org/wiki/Sunway_TaihuLight", "https://en.wikipedia.org/wiki/Tianhe-2", "https://blogs.scientificamerican.com/news-blog/computers-have-a-lot-to-learn-from-2009-03-10/" ] ]
4bl9z9
What's the earliest book we know that teaches (actual) history? As in, do we know the oldest history textbook?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/4bl9z9/whats_the_earliest_book_we_know_that_teaches/
{ "a_id": [ "d1adcup" ], "score": [ 7 ], "text": [ "Herodotus is known as \"the father of history\". He wrote *The Histories*, which is about the history Greek world and the ethnography and culture of the region. It isn't exactly accurate, but he attempts to tell a somewhat fact based story, rath...
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[]
[ [] ]
1hrzoc
Did anyone make a fortune from the 1929 stock market crash and the depression that followed? How did he/she/they do it?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/1hrzoc/did_anyone_make_a_fortune_from_the_1929_stock/
{ "a_id": [ "cay234j" ], "score": [ 2 ], "text": [ "(edit: not a historian, just have a passion for all things about financial history :D)\n\nBenjamin Graham is a pretty notable example of somebody who made money during the depression years because he modernized the academics around investing.\n\n...
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[]
[ [] ]
2mqfw8
are there any differences between prison labor and slave labor and should we worry about the future of privately owned prisons? i know slavery is not entirely illegal according to the 13th amendment. so it's kinda scary to imagine what could happen, am i worrying for no reason?
Am I being too dystopian in my outlook or is it a real possibility? I find it hard to believe that we wouldn't have preventative measures to keep Slavery out of our country but the lines getting blurred... Have I caught a negative outlook or can someone explain what it all really means and implies? Thirteenth Amendme...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2mqfw8/eli5_are_there_any_differences_between_prison/
{ "a_id": [ "cm6n56y" ], "score": [ 5 ], "text": [ " > ... should we worry about the future of privately owned prisons?\n\nI don't think you need to worry about the future, privately owned prisons are a concern **today**.\n\nInstead of working solely to rehabilitate inmates, the prison industrial ...
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[]
[ [] ]
vdczi
So, say a blind person develops a heightened auditory sense. What would happen to this heightened sense if their vision was restored?
Would their hearing level out again, or would they keep the heightened sense?
askscience
http://www.reddit.com/r/askscience/comments/vdczi/so_say_a_blind_person_develops_a_heightened/
{ "a_id": [ "c53n9gw" ], "score": [ 6 ], "text": [ "First of all, blind people do not really \"develop\" heightened senses. They learn to use their existing senses in ways that could be learned by sighted people if they were pressured to do so.\n\nBy and large, these increased learned capabilities...
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[]
[ [] ]
625611
why do we study limits in calculus?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/625611/eli5_why_do_we_study_limits_in_calculus/
{ "a_id": [ "dfjtlgp", "dfjtlsa", "dfjtwzn" ], "score": [ 5, 17, 11 ], "text": [ "Limits are essential to proving that calculus works. Much of an intro calculus class involves proofs of how & why calculus works & exists.\n\nThe derivative is the limit of the slope of the line ...
[]
[]
[ [], [], [] ]
3erlqp
why is it that normal pencils will rub off with an eraser, but color pencils won't?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3erlqp/eli5_why_is_it_that_normal_pencils_will_rub_off/
{ "a_id": [ "cthp1p4" ], "score": [ 34 ], "text": [ "Color pencil pigment is carried by wax, which only smears around when it's written on something and then erased. You're essentially writing with a form of grease that carries a coloring agent, and like rubbing your finger across a greasy frying ...
[]
[]
[ [] ]
p2xz0
why i dont have to pay sales tax on most things i buy online
not that I'm complaining...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/p2xz0/eli5_why_i_dont_have_to_pay_sales_tax_on_most/
{ "a_id": [ "c3m2bup" ], "score": [ 6 ], "text": [ "You do. You just have to pay it yourself come tax time. You can only be charged sales tax online if you live in the same state as the site you're buying from. If you don't, you're supposed to, as part of your state taxes, calculate how much you s...
[]
[]
[ [] ]
22wtph
why after i take a photo of my computer monitor on my phone, if i open the photo and zoom in and out, the lines change almost like they're animated?
You can see this by simply taking a picture and messing/zooming in and out of it in your phones photo viewer. (I'm not just asking why the lines appear as I assume that's to do with the refresh rate, but more so why they move when zooming in and out after the photo has been taken) Edit: I guess its kind of hard to exp...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/22wtph/eli5_why_after_i_take_a_photo_of_my_computer/
{ "a_id": [ "cgr7nd7", "cgr7skp" ], "score": [ 2, 6 ], "text": [ "You mean the moire effect? It's because, unlike normal stuff you see in the world, displays make up an image with small, visible blocks called pixels. They are in a rectangular pattern and don't fill all space completely. Wh...
[]
[]
[ [], [] ]
3e7fyw
how come in america when a bill is passed through the senate, it can have its title and contents completely changed?
Hi, I watched John Oliver's piece on Food Waste in America (link here: _URL_0_). Good piece but what really confused me was the following (not American btw so not familiar with the government): At one point he mentions that the 'America Gives More Act 2015' (H.R. 644) once reaching the senate had its name changed to '...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3e7fyw/eli5_how_come_in_america_when_a_bill_is_passed/
{ "a_id": [ "ctc6fkw" ], "score": [ 2 ], "text": [ "So, in order for a bill to become law, it has to be passed by both houses. A bill will start in one house, they'll study it in committee, make changes, vote on it, make more changes, vote on the changes, etc, and then they will eventually reach ...
[]
[ "https://youtu.be/i8xwLWb0lLY" ]
[ [] ]
5tmdzk
does the movie studio pay the movie theater to show their movie? or does the movie theater pay the movie studio to bring in customers by letting them show their movie?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5tmdzk/eli5_does_the_movie_studio_pay_the_movie_theater/
{ "a_id": [ "ddnims1", "ddnin3g", "ddno46h" ], "score": [ 23, 7, 3 ], "text": [ "The movie studios and the theaters split the income depending on when people buy tickets to the movie, basically, each side gets a percent of ticket sales\n\nFor example:\n\nWeeks 1 & 2: 90% studio /...
[]
[]
[ [], [], [] ]
20a9kt
what really happens when i stall my manual car?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/20a9kt/eli5_what_really_happens_when_i_stall_my_manual/
{ "a_id": [ "cg1b503" ], "score": [ 3 ], "text": [ "You stall because your car is heavy and takes energy to get it moving. Without enough fuel to burn to provide enough energy to move, your car is basically sitting still with the engine turning. This is literally impossible, and since it can't mak...
[]
[]
[ [] ]
6t8lbr
what are the practical uses of logarithms in real life ?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6t8lbr/eli5_what_are_the_practical_uses_of_logarithms_in/
{ "a_id": [ "dlipi9w", "dlipth0", "dliqcuk", "dlir7ck", "dlisn6x", "dlito7o", "dlizbqe", "dlizhjh", "dlizj4l", "dlj64ao", "dljaeyd", "dljafns", "dljlg3j" ], "score": [ 4, 125, 40, 33, 3, 9, 3, 3, 8, 6, 3, 2, 2 ...
[]
[]
[ [], [], [], [], [], [], [], [], [], [], [], [], [ "http://www.ies-math.com/math/java/misc/slide_rule/slide_rule.html" ] ]
1pwrv5
what are "logistics" companies i see in industrial areas?
I will always see many of them, clustered in buildings with docks for trucks, so I assume it's to do with trucking. They seem to need nothing more than an office to operate. What goes on at these places, anything shady? Bonus if someone can tell me what's behind the tendency for them to be all Eastern-European owne...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1pwrv5/eli5_what_are_logistics_companies_i_see_in/
{ "a_id": [ "cd6udsr", "cd6vg6h" ], "score": [ 2, 2 ], "text": [ "They are typically for goods distribution. I'm guessing you see a lot of Eastern European companies that handle import/export work.", "Logistics is basically transport and warehousing, but with the added service of makin...
[]
[]
[ [], [] ]
3laxut
if weight gain/loss is just a matter of calories in and out, why is it so hard to keep weight off?
I keep hearing that when it comes to losing weight, the most important thing to remember is that calories in must be less than calories out. That makes sense. I am overweight, but I'm also holding steady. I haven't significantly gained or lost weight in 5 years, so presumably my calories in equal my calories out. That...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3laxut/eli5_if_weight_gainloss_is_just_a_matter_of/
{ "a_id": [ "cv4od3l", "cv4ogg6", "cv4omja", "cv4pb3q", "cv4pkts", "cv4q1a5", "cv4sj5t", "cv4uzvz", "cv4vtro" ], "score": [ 13, 49, 8, 5, 25, 2, 2, 2, 5 ], "text": [ "Well a smaller body uses significantly less maintenance calories so...
[]
[]
[ [], [], [], [], [], [], [], [], [] ]
ngmly
I just saw in NatGeo that if you touch a 500 kV wire you would desintegrate from the electrical shock. Is this true?
askscience
http://www.reddit.com/r/askscience/comments/ngmly/i_just_saw_in_natgeo_that_if_you_touch_a_500_kv/
{ "a_id": [ "c38xo5v", "c38xo5v" ], "score": [ 13, 13 ], "text": [ "Usually, you die from a steam explosion, and often your head pops off like a cork because the water in your 'guts' nearly instantly vaporizes. Idiots try to steal wire from high tension lines fairly regularly, especially i...
[]
[]
[ [], [] ]
1eqqij
how come trix stopped making the shape cereal? why is it only circles???
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1eqqij/eli5_how_come_trix_stopped_making_the_shape/
{ "a_id": [ "ca2tykt", "ca2xpmu", "ca2yvg7", "ca30haj", "ca3aa7d" ], "score": [ 19, 6, 23, 2, 4 ], "text": [ "I would speculate that it is a cost issue. Or time.\n\nImagine you had to shape a bowl of Trix for yourself. To make all of those shapes with different colo...
[]
[]
[ [], [ "http://i.imgur.com/NOFBsOh.jpg" ], [], [], [ "http://answers.yahoo.com/question/index?qid=20100313095606AAYWzwE", "http://en.wikipedia.org/wiki/Trix_%28cereal%29" ] ]
431ixo
the origin of college spring break?
Not why they all go to Mexico and get drunk (that's because college), but why do they even get a break in the middle of the semester to begin with?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/431ixo/eli5_the_origin_of_college_spring_break/
{ "a_id": [ "czeqqfo" ], "score": [ 3 ], "text": [ "Back when the US was more religious, Easter was a pretty big holiday & people would get time off to travel & see family.\n\nFor schools on a quarter system instead of a semester system, spring break is the period between winter & spring ter...
[]
[]
[ [] ]
cbddvr
At what point in human history did we start drawing dicks?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/cbddvr/at_what_point_in_human_history_did_we_start/
{ "a_id": [ "eteqoyg" ], "score": [ 2 ], "text": [ "I'm sorry, but we don't allow 'First'/'Last' questions on /r/AskHistorians, and so we have removed this submission. It's not that the question is bad; it is simply that, given the rules of this subreddit, these types of questions are ill-suited t...
[]
[]
[ [] ]
1j0q2y
why has there been, seemingly all of a sudden, a big push to block pornography on the internet?
Is there some other reason besides 'think of the children' appeals to conservative voters, or is it just pandering?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1j0q2y/eli5_why_has_there_been_seemingly_all_of_a_sudden/
{ "a_id": [ "cb9y7kx", "cb9ygq9", "cb9zc67", "cb9ztj4", "cba035m", "cba26cd" ], "score": [ 29, 12, 2, 16, 7, 2 ], "text": [ "It's the thin end of the censorship wedge; once censorship of porn \"for the safety of children\" is accepted as the norm, it will be...
[]
[]
[ [], [], [], [], [], [] ]
e1s7n8
why is it safe to eat salmon raw as sushi but not safe to eat it rare when you eat a salmon filet? why is tuna different?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/e1s7n8/eli5_why_is_it_safe_to_eat_salmon_raw_as_sushi/
{ "a_id": [ "f8rh6ss" ], "score": [ 3 ], "text": [ "None of those statements are true. \n\nIt is safe to eat salmon raw as sushi and it is also safe to eat salmon rare .. in a trusted restaurant or setting. It is also safe to eat tuna rare for the same reason - most fish are not susceptible to bot...
[]
[]
[ [] ]
3dpkmx
Multiple questions about Gamma-Ray Bursts. How dangerous are they to Earth?
1. Would we be able to detect a Gamma-Ray burst heading towards Earth before it hit Earth? If so, how far in advance would we be able to detect it? What could we detect? Spread, size, amount of time it would hit Earth for, etc.? 2. What is the maximum range for a gamma-ray burst to pose a threat to Earth? I've rea...
askscience
http://www.reddit.com/r/askscience/comments/3dpkmx/multiple_questions_about_gammaray_bursts_how/
{ "a_id": [ "ct7k2d8" ], "score": [ 17 ], "text": [ " > 1\\. Would we be able to detect a Gamma-Ray burst heading towards Earth before it hit Earth?\n\nNo, but with a pretty big catch. \n\nThey don't come from nowhere. It would be impossible to detect something coming at us at the speed of light, ...
[]
[]
[ [ "https://en.wikipedia.org/wiki/Radiation_protection#Shielding", "http://www.universetoday.com/23342/wr-104-wont-kill-us-after-all/", "http://arxiv.org/ftp/astro-ph/papers/0309/0309415.pdf" ] ]
5viovo
how do islands float?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5viovo/eli5_how_do_islands_float/
{ "a_id": [ "de2ceaz", "de2eory" ], "score": [ 4, 2 ], "text": [ "The thing in the video is basically a *boat*, not an island. Islands are connected to the ground under the water.", "[Floating islands](_URL_0_) exist, but they are rare. Most islands are connected to land below the wat...
[]
[]
[ [], [ "https://en.wikipedia.org/wiki/Floating_island" ] ]
hfa54
How do astronomers know the trajectory of very far away objects?
Blue/red shift should only give the component of the velocity that is towards/away from the observer[.](_URL_1_) But that still leaves two other axes[.](_URL_0_) So what methods are scientists using to determine the other two components of the velocity of very distant objects (i.e. distant galaxies)? edit: by "trajec...
askscience
http://www.reddit.com/r/askscience/comments/hfa54/how_do_astronomers_know_the_trajectory_of_very/
{ "a_id": [ "c1uyi3g" ], "score": [ 2 ], "text": [ "I'm not sure what you're referring to. We can measure the radial velocities (those towards or away from us) of galaxies due to redshift, but tangential velocities (those tangential to our line of sight) we can't. At least not that I'm aware of (n...
[]
[ "http://i.imgur.com/xIZ4Y.jpg", "http://sargentspeaks.files.wordpress.com/2010/10/hedgehog.jpg" ]
[ [] ]
7jvsut
How do traditional filament lightbulbs fail?
They have no moving parts, the filaments are protected from friction and corrosion ... what exactly is happening when they fail? What processes are involved?
askscience
https://www.reddit.com/r/askscience/comments/7jvsut/how_do_traditional_filament_lightbulbs_fail/
{ "a_id": [ "dr9kmyl", "dr9o6px", "drahos9" ], "score": [ 90, 30, 3 ], "text": [ "The tungsten evaporates from the filament. You can tell a new filament from a well worn one by looking at it under a microscope. As it ages, it develops more resistance at the thinnest spot. Eventuall...
[]
[]
[ [], [], [] ]
126emd
how does spotify work?
How does Spotify compensate artists with unlimited access to their music for free? And how did they convince bands to put their music on Spotify when they first started off?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/126emd/how_does_spotify_work/
{ "a_id": [ "c6sjdwn", "c6sjhvq", "c6skcy5" ], "score": [ 9, 4, 3 ], "text": [ " > with unlimited access to their music for free?\n\nFirstly, it's not free. Either you subscribe and straight up pay them money or you get ads which means the companies buying the ad space are paying ...
[]
[]
[ [], [ "http://www.spotidj.com/spotifyroyalties.htm" ], [] ]
2w3a0g
How does both internet and cable data travel through a coaxial cable?
How does a single Coaxial cable coming from the cable company provide both high speed internet and thousands of cable channels? How does it show internet data separately from cable data? Does the bandwidth of the cord play all cable channels at once or is there a signal sent to the cable company through the cord ...
askscience
http://www.reddit.com/r/askscience/comments/2w3a0g/how_does_both_internet_and_cable_data_travel/
{ "a_id": [ "conp19e" ], "score": [ 2 ], "text": [ "Different TV channels are separated into different frequencies using [frequency division multiplexing](_URL_3_). They are all transmitted at the same time, and internet data is transmitted/received at the same time as well, in separate frequency ...
[]
[]
[ [ "http://computing.dcu.ie/~humphrys/Notes/Networks/tanenbaum/2-48.jpg", "http://en.wikipedia.org/wiki/Amplitude_modulation", "http://en.wikipedia.org/wiki/Frequency_modulation", "http://en.wikipedia.org/wiki/Frequency-division_multiplexing", "https://www.tmatlantic.com/upload/images/keying_ASK....
5xb991
what is diarrhea? what causes it to happen? the cramps, the sounds, the smell, the result.
Just spent the morning on the toilet, so I had some time to wonder about why this thing happens to our bodies when we eat something that doesn't agree with us. Why does my body feel like it's eating itself?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5xb991/eli5_what_is_diarrhea_what_causes_it_to_happen/
{ "a_id": [ "degqwyf", "degtuce" ], "score": [ 37, 7 ], "text": [ "The final stages of digestion happen in the large intestine. The last bits of nutrients are absorbed, but most importantly, the large intestine absorbs most of the water back out of the digestive waste. Food, as it's dige...
[]
[]
[ [], [] ]
qap6z
- surrealism
What does it mean to be a surrealist?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/qap6z/eli5_surrealism/
{ "a_id": [ "c3w2un6", "c3wetlx" ], "score": [ 2, 3 ], "text": [ "Purple monkey dishwasher.", "The doctors say I have insufficient mactelinium in my diet. But mactelinium is a fictitious substance and I've never seen a doctor in my life, and I am a doctor. What should the government do...
[]
[]
[ [], [] ]
2p3swb
why do banana slices split so easily into thirds?
It's magical. I just would like to know why. And if there's a point behind it.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2p3swb/eli5_why_do_banana_slices_split_so_easily_into/
{ "a_id": [ "cmt5hvm" ], "score": [ 2 ], "text": [ "Banana the fruit is made of 3 wedge shaped strips." ] }
[]
[]
[ [] ]
1vahrq
why does the human body store extra food (energy) as fat, while allowing extra vitamins and minerals to be passed through your body within hours?
There has been a lot of talk about recent studies claiming vitamins and supplements in pill form are pointless. Why does the body store extra food (energy) as fat, while allowing extra vitamins and minerals required by the body to be passed through your system within hours?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1vahrq/eli5_why_does_the_human_body_store_extra_food/
{ "a_id": [ "ceqawc0", "ceqb5et", "ceqb67d" ], "score": [ 2, 6, 2 ], "text": [ "Your brain needs a constant flow of glucose to survive. And to be sure your brain gets what it needs, even in rough times with no food (evolution), your body stores glucose. It has a little glucose stor...
[]
[]
[ [], [], [] ]
ccn7qi
How far away are asteroids from each other?
If I were standing (or clinging to, assuming the gravity is very low) on an asteroid in the asteroid belt, could I see other ones orbiting near me? Would I be able to jump to another one? Could we link a bunch together to make a sort of synthetic planet? Also I'm never sure what flair to use. Forgive me if this is the...
askscience
https://www.reddit.com/r/askscience/comments/ccn7qi/how_far_away_are_asteroids_from_each_other/
{ "a_id": [ "eto6mw9", "eto9rir", "etohgp6", "etoqva6", "etospsg", "etp466p", "etp8hex" ], "score": [ 1917, 121, 18, 5, 7, 13, 5 ], "text": [ "It depends entirely on what kind of sizes you want to talk about, as there are far more light asteroids tha...
[]
[]
[ [ "https://solarsystem.nasa.gov/missions/dawn/mission/faq/", "https://www.universetoday.com/32856/asteroid-belt/" ], [], [ "https://joshworth.com/dev/pixelspace/pixelspace_solarsystem.html" ], [ "https://en.m.wikipedia.org/wiki/Phobos_(moon)", "https://www.google.com/amp/s/www.express....
1nrv88
The British people, who were "Protestant Christians", were the ones who colonized India. How come most Indians are "Roman Catholic" instead of protestant?
Thats got me confused. british people are protestant, but the people they colonized, are roman catholic.
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/1nrv88/the_british_people_who_were_protestant_christians/
{ "a_id": [ "cclfllc" ], "score": [ 13 ], "text": [ "Most Indians under British rule didn't change their religion, they are still mostly Hindu, only 2.3% are Christians. The tiny state of Goa in western India on the other hand was under Portuguese rule for centuries and long before the British wer...
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[]
[ [ "http://en.wikipedia.org/wiki/Goan_Catholics" ] ]
6oc6fz
why does it seem sometimes to require more physical and mental effort to stay still than to move/ jig/ sway?
E.g., when working at a desk or watching the T.V.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6oc6fz/eli5_why_does_it_seem_sometimes_to_require_more/
{ "a_id": [ "dkga1c3" ], "score": [ 3 ], "text": [ "Making yourself sit still requires some form of mind/body focus, which can require immense amounts of mental energy. Also, evolutionarily speaking, human beings naturally aren't used to maintaining a still posture for hours on end. " ] }
[]
[]
[ [] ]
1i0jhx
japanese-korean relations, and why korea is constantly asking for compensations and apologies when they were given.
Why is Korea asking for apologies when Europeans aren't asking Germany for apologies? Is it a cultural thing? Japan seems to be bombarded with these demands all the time. Isn't it time to move on? What makes Korea so different in the approach?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1i0jhx/eli5_japanesekorean_relations_and_why_korea_is/
{ "a_id": [ "cazri2q", "cazrp2e", "cb00b4n" ], "score": [ 10, 14, 2 ], "text": [ "Germany invaded and occupied other European countries for about 2 3-year periods.\n\nJapan occupied Korea for 40 years straight.", " > Why is Korea asking for apologies when Europeans aren't askin...
[]
[]
[ [], [], [] ]
47omlm
How did the Catholic Church respond to the theory of Evolution?
I know how the Anglican church reacted, but not the Catholic church. With its history of having no strict view about the literal truth of Genesis's creation story, and the fact that the Big Bang was discovered by a Catholic priest (and I assume, supported by the Church against the static universe), I wondered if they w...
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/47omlm/how_did_the_catholic_church_respond_to_the_theory/
{ "a_id": [ "d0emjz9", "d0eoxse", "d0f1m1f", "d0fdgua" ], "score": [ 8, 29, 6, 2 ], "text": [ "Are you looking for an official response by the Catholic Church to Darwin's work or a history of the CC's handling of the theory of evolution?", "There have been few papal sta...
[]
[]
[ [], [ "http://www.vatican.va/holy_father/pius_xii/encyclicals/documents/hf_p-xii_enc_12081950_humani-generis_en.html", "http://www.newadvent.org/library/docs_jp02tc.htm" ], [ "http://www.papalencyclicals.net/Pius09/p9syll.htm" ], [] ]
6j22pw
movies and film from past decades still look fairly decent. why do live sports from the same eras look so bad? even highlights from just 10 years ago look greatly inferior to nowadays.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6j22pw/eli5_movies_and_film_from_past_decades_still_look/
{ "a_id": [ "djavdkt", "djavkda" ], "score": [ 2, 20 ], "text": [ "Film is a really high resolution medium, and your current HDTV can show you an HD scan of film made decades ago at full resolution.\n\nTV, that was pretty bad 10+ years ago. 480 lines of resolution is 25% of the pixels you...
[]
[]
[ [], [] ]
e79yeb
why is it that we’re always told to stay away from power lines as they could kill us, but birds and squirrels have no issue running/sitting on them?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/e79yeb/eli5_why_is_it_that_were_always_told_to_stay_away/
{ "a_id": [ "f9wkkgt", "f9wkqwu", "f9wkxt3" ], "score": [ 9, 6, 9 ], "text": [ "Earthing. \nLots of birds and small animals do get killed by powerlines when they touch both the live wire and an earthing path.\nIf you only touch the one wire and nothing else, in theory, you'll be ok...
[]
[]
[ [], [], [] ]
39f4v8
how reddit makes money, please.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/39f4v8/eli5_how_reddit_makes_money_please/
{ "a_id": [ "cs2u0x1", "cs329ji" ], "score": [ 4, 5 ], "text": [ "People buying gold,ads?? ", "Just like any other sites pushing content, Reddit makes money off reddit gold(almost like subscription fees), ads, reddit store and reddit gifts. There's also redditTV and RedditRadio which t...
[]
[]
[ [], [] ]
5hvl66
what's a neocon?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5hvl66/eli5_whats_a_neocon/
{ "a_id": [ "db3cgtc" ], "score": [ 2 ], "text": [ "So, starting in the 1960's a lot of democrats at the time rejected the leftward shift the party had started to take, and made a transition to the GOP.\n\nIn modern US politics, neoconservative is probably a fitting label for most \"mainstream\" U...
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[]
[ [] ]
3s3edi
how come former british colonies do not have nobility?
I could see why America wouldn't have any nobility as they had the revolution but what about Canada, Australia, and others. How come there isn't a Count of Toronto, Earl of Melbourne, Marquee of Auckland, etc.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3s3edi/eli5how_come_former_british_colonies_do_not_have/
{ "a_id": [ "cwtqjq4" ], "score": [ 4 ], "text": [ "The British Empire did not grant Lordships to those who ruled or owned land in their colonies and by the time those countries gained independence they had developed cultures without nobility. " ] }
[]
[]
[ [] ]
29pxeh
What's at the center of Jupiter?
What elements are there? What state of matter are they in?
askscience
http://www.reddit.com/r/askscience/comments/29pxeh/whats_at_the_center_of_jupiter/
{ "a_id": [ "cinjner" ], "score": [ 5 ], "text": [ "That's hard to answer because current models are bas on estimations and computer calculations. The best model suggests, that jupiter has a inner solid core made of iron and therefore siderophile metals aswell and sillicate rock. It is surrounded ...
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[ [] ]
620nqa
why can a capacitor let through alternating current and not direct current?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/620nqa/eli5_why_can_a_capacitor_let_through_alternating/
{ "a_id": [ "dfir9vk" ], "score": [ 2 ], "text": [ "Electric current can be likened to a system of pipes full of water. The capacitor, in a water system, would be a rubber film blocking the flow of water. When you induce a flow in one direction, the water can stretch the rubber, but the elastic fi...
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1heo55
Are there any historical instances of spies or agents being turned due to acceptance of "enemy" ideology?
I'm thinking something similar to Jake Sully in Avatar. What were some cases of spies or agents sent to study an adversary but ended up accepting their ideology as being superior?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/1heo55/are_there_any_historical_instances_of_spies_or/
{ "a_id": [ "catnqc9", "catojdf", "catpbaq" ], "score": [ 10, 31, 4 ], "text": [ "Here's a documentary about an Army Private that defected to North Korea:\n\n_URL_0_", "Well we don't actually know much about his original motivation (i.e, if he meant to turn from the beginning o...
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[ [ "http://movies.netflix.com/WiMovie/Crossing_the_Line/70059636?trkid=496624" ], [ "http://en.wikipedia.org/wiki/Eddie_Chapman" ], [ "http://upload.wikimedia.org/wikipedia/commons/2/25/M36_British_Free_Corps_Tunic.jpg", "http://www.spartacus.schoolnet.co.uk/2WWameryJ.htm", "http://www.da...
1b5lhi
What happens if you add a catalyst to a chemical reaction that reacts with one of the reactants?
askscience
http://www.reddit.com/r/askscience/comments/1b5lhi/what_happens_if_you_add_a_catalyst_to_a_chemical/
{ "a_id": [ "c93tcef", "c93typb" ], "score": [ 3, 2 ], "text": [ "How can a catalyst promote a reaction if it does not react with one of the reactants? The role of the catalyst is to interact with your reagents. The key to promoting catalytic reactions is being able to regenerate your acti...
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[ [ "http://en.wikipedia.org/wiki/File:Heck_Reaction_Mechanism.svg" ], [] ]
6tzlf0
what does kombucha do for the body exactly and what makes good bacteria different?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6tzlf0/eli5_what_does_kombucha_do_for_the_body_exactly/
{ "a_id": [ "dlos5sx", "dlp1t7b" ], "score": [ 12, 3 ], "text": [ "Nothing that any other fizzy sweet drink doesn't do.\n\nKombucha has no real health benefits. It's all hype.", "My girlfriend makes kombucha at home. She drinks it because she found out she doesn't have IBS flare ups af...
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[ [], [] ]
bpdaty
At what point in European history were black powder weapons introduced? At what point did they become very common artillery weapons on the battlefield?
As far as I can remember that large, clumsy, personal "guns" first appeared in Europe at some time around the 14th century in some limited capacity. I seem to remember though that cannons/simple large artillery were around earlier, as well as explosives? I could be completely mistaken, but I can't shake the feeling tha...
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/bpdaty/at_what_point_in_european_history_were_black/
{ "a_id": [ "entq1o4" ], "score": [ 5 ], "text": [ "I happen to be doing a bit of research on this at the moment, looking at gunpowder weapons in 14th century London. I can't really comment on explosives, because England doesn't seem to have bothered with them, but I can talk a lot about cannons. ...
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70ppt7
i've always heard that lightning won't strike my car because the tires are rubber. so, 1) what about rubber repels electricity, and 2) how does lightning know my car has rubber tires?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/70ppt7/eli5_ive_always_heard_that_lightning_wont_strike/
{ "a_id": [ "dn4ytt8", "dn4yuh5", "dn4ywsp", "dn4z42s", "dn4z4pd" ], "score": [ 3, 3, 7, 2, 2 ], "text": [ "Lightning can absolutely strike your car. It happens from time to time, and it can fry the electronics. \n\nIf you're in the car, you'll probably be fine howe...
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[ [], [], [], [], [] ]
26zxud
why does google maps use computer-generated "imagery" instead of actual satellite imagery in the high arctic?
[Here's an example of what I mean.](_URL_1_) You can easily see where the actual imagery stops and the fake "imagery" begins. edit: apparently [Bing Maps does the same thing too.](_URL_0_)
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/26zxud/eli5_why_does_google_maps_use_computergenerated/
{ "a_id": [ "chw2de2" ], "score": [ 3 ], "text": [ " the satellites probably aren't able to get good images of the extreme poles because their orbit doesn't take them far enough north/south" ] }
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[ "http://binged.it/1nRgM0m", "https://maps.google.com/?ll=79.749932,-58.183594&spn=11.027788,107.138672&t=h&z=4" ]
[ [] ]
tacwf
details & ramifications of the new socialist french presidency
What does the new French election mean for France? For the world? What kind of socialist is Hollande?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/tacwf/eli5_details_ramifications_of_the_new_socialist/
{ "a_id": [ "c4kxjvk", "c4kydeo", "c4kyuvs", "c4kzeb9", "c4l0jzk" ], "score": [ 119, 17, 8, 2, 2 ], "text": [ "Point of clarification: Hollande's not a \"socialist\", that's just the name of his party. He's more of a center-left social democrat. This gets confusin...
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[ [], [], [], [], [] ]
rz9ek
Why does smoking marijuana seem to eliminate many symptoms of a hangover?
askscience
http://www.reddit.com/r/askscience/comments/rz9ek/why_does_smoking_marijuana_seem_to_eliminate_many/
{ "a_id": [ "c49u00w" ], "score": [ 2 ], "text": [ "We could speculate, but since we don't know precisely what causes hangover (current research suggests it is a complex interplay of an immune response, acetaldehyde toxicity, hypoglycemia, and dehydration), we couldn't tell you exactly why any \"c...
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vs7vs
How is a drug "born"?
I want to know the process of how a pharmaceutical come to be. Does a drug company tell their chemists "this is what we need made" or are the effects of a substance discovered through research, then a drug company further researches/sends it to production? EDIT: Spelling
askscience
http://www.reddit.com/r/askscience/comments/vs7vs/how_is_a_drug_born/
{ "a_id": [ "c578c8k", "c578h06", "c578vdg", "c57d2em" ], "score": [ 2, 2, 2, 4 ], "text": [ "Both can happen. For example, [statins](_URL_1_) were discovered from a culture of penicilium that a scientist was using for antimicrobial research. When tested, it was found to ...
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[ [ "http://en.wikipedia.org/wiki/Etanercept", "http://www.nature.com/nrd/journal/v2/n7/full/nrd1112.html", "http://en.wikipedia.org/wiki/Rational_drug_design" ], [ "http://en.wikipedia.org/wiki/Rational_drug_design#Rational_drug_discovery", "http://en.wikipedia.org/wiki/Lipinski%27s_Rule_of_5...
1od66s
Were any of the pre-Colonial societies north of Mesoamerica imperialistic?
I have been reading about advanced societies in North America before European contact, such as Cahokia or the Iroquois. My question is if any of these could be considered empires in some sense. If not, why did it happen that way? Is it possible that there was an empire, but we don't know about it?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/1od66s/were_any_of_the_precolonial_societies_north_of/
{ "a_id": [ "ccr9kto", "ccrcqwz" ], "score": [ 3, 3 ], "text": [ "One of the most warlike and military active Native American tribes in North Eastern North America was the Iroquois. They fought a series of wars of conquest (basically Iroquois against all) for about 130 years, from 1540? u...
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[ [ "http://en.wikipedia.org/wiki/Jesuit_Relations" ], [ "http://books.google.com/books?id=Jd4Km3Y8oAwC&dq=Comanche+Empire&source=gbs_navlinks_s", "http://en.wikipedia.org/wiki/Piedmont_(United_States\\)" ] ]
6hrmzy
A good map for Gaul and the surrounding in The Gallic Wars
Hi, I'm readding as you might guess "The Gallic Wars" and I've search for a map of the regions but the regions maps don't have the Helvetii or the roman provinces, and doesn't have the rivers to figure out the regions for my own and when looking for maps with rivers they have a lot of rivers wich make hard to find the ...
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/6hrmzy/a_good_map_for_gaul_and_the_surrounding_in_the/
{ "a_id": [ "dj0sqpm" ], "score": [ 2 ], "text": [ "The excellent site _URL_3_ has these (small) maps:\n\n[The Provence](http://www._URL_3_/site/assets/files/21076/caesar_map_6.gif), [Northern Gaul](_URL_2_), [Gaul](_URL_0_) and [Alesia](http://www._URL_3_/pictures/a/maps/map-of-the-siege-of-alesi...
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[ [ "http://www.livius.org/pictures/a/maps/map-of-caesar-8-gaul/", "http://www.romeacrosseurope.com/wp-content/uploads/2016/11/Map-of-Gaul-on-the-eve-of-the-Gallic-Wars-58-BC.png", "http://www.livius.org/pictures/a/maps/map-of-caesar-7-the-gallic-war-north/", "livius.org", "http://www.livius.org/s...
18p1fi
Would a man and woman who 'excelled' at today's standards of beauty be judged "most beautiful" at points in the past?
Well-toned but natural-looking trained musculature, closely shorn pubic grooming, manscaped chest hair and a nice beard for men, and a shapely bosom and long hair for women? I know this isn't everyone's standards but let's just say they're fairly popular. How would they measure up against peers in previous ages - the...
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/18p1fi/would_a_man_and_woman_who_excelled_at_todays/
{ "a_id": [ "c8gpwkk", "c8gs36l", "c8gwoq8", "c8gwt3x", "c8gxkrj", "c8gz8is" ], "score": [ 31, 17, 9, 2, 18, 3 ], "text": [ "A shapely bosom always went down well in 18th century France. Louis XV's first words to the Duc de Choiseul about the arrival of the ...
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[ [ "http://en.wikipedia.org/wiki/Merkin" ], [ "http://legacy.jyi.org/volumes/volume6/issue6/features/feng.html", "http://www.newscientist.com/article/dn6355-babies-prefer-to-gaze-upon-beautiful-faces.html" ], [ "http://en.wikipedia.org/wiki/Madame_Pompadour", "http://en.wikipedia.org/wiki...
36sxiv
how does a game on pc get poorly optimized?
Is it in the code?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/36sxiv/eli5_how_does_a_game_on_pc_get_poorly_optimized/
{ "a_id": [ "crgsnqi", "crgst2d" ], "score": [ 4, 2 ], "text": [ "Yes, either game code being more complicated than it needs to be, wasting clock cycles and RAM. Or, on the driver side of things, which someone more knowledgeable can explain ", "Depends on the game, actually. If it is m...
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1j2dx1
Historical Method Question
Hi Historians, Hope this isn't an innapropriate question, if it is I'm sorry but I need a bit of help. So I am entering a history MA program soon, and I fear that my note taking ability isn't the best. It got me through undergrad great, but I am afraid my notes are too skeletal from books. When I take notes I feel ...
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/1j2dx1/historical_method_question/
{ "a_id": [ "cbaf17s", "cbaf77q", "cbaghzl", "cbamkko" ], "score": [ 10, 3, 2, 2 ], "text": [ "The greatest shift I remember experiencing between undergrad and grad work was that I had to re-learn how to read a book. We had to read so many, it was not physically possible to...
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5yzqrw
What did regular western Europeans understand by the word "socialism" in the late 19th century?
I mean the man on the street, rather than intellectuals. Was it very different from now? If I stood for election as a "socialist" politician in, say, 1880s Britain, what kind of laws would people expect me to advocate?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/5yzqrw/what_did_regular_western_europeans_understand_by/
{ "a_id": [ "deu6x1p" ], "score": [ 7 ], "text": [ "Can you narrow down who you're talking about? A French peasant and a worker in a Manchester factory would have quite different understandings. " ] }
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aekasg
if you would go into space, and go out of space 12 hours later, would you be on the other side of the earth?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/aekasg/eli5_if_you_would_go_into_space_and_go_out_of/
{ "a_id": [ "edpvueu", "edpvzj5" ], "score": [ 2, 4 ], "text": [ "Theoretically yes, but space travel is done by orbiting bodies with gravity. In earth's case, you'd be moving *faster* than the earth's rotation, so you'd actually end up on the other side of earth after a couple of hours. I...
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2fl0we
Ottoman sultans - fratricide and infertility
Given the Ottoman tradition of becoming sultan and having ones brothers assassinated: I wonder how they insured the lineage if the sultan was unable to sire heirs, as unlike in the west, there where no uncles to claim the throne.
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/2fl0we/ottoman_sultans_fratricide_and_infertility/
{ "a_id": [ "ckagjam" ], "score": [ 2 ], "text": [ "The murder of brothers was allowed, yes; but not every prince committed the act. Sometimes, when an heir claimed throne, there was already a brother or uncle in the picture no one really cared about. Mustafa I, Murad IV and Ibrahim the Deranged a...
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18jc1a
Could a donor organ live forever if constantly donated before each persons death?
Could I theoretically donate my kidneys after my death, and the receiver donates them after, could this constantly keep on happening that the kidneys live forever? or do they eventually die off or whither away?
askscience
http://www.reddit.com/r/askscience/comments/18jc1a/could_a_donor_organ_live_forever_if_constantly/
{ "a_id": [ "c8fb8wq", "c8fcd37", "c8fdaas", "c8fdi4k", "c8fea5h", "c8fess9", "c8ffeoe", "c8fhlnn", "c8fmj0a", "c8fo4p1" ], "score": [ 831, 9, 102, 17, 13, 5, 3, 7, 5, 2 ], "text": [ "_URL_2_\n\n_URL_0_\n\n_URL_1_\n\nSummary: ...
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[ [ "http://www.swtransplant.com/patient/?page=90&parent=12", "http://www.nejm.org/doi/full/10.1056/NEJM199306033282220", "http://www.kidney.org.uk/Medical-Info/transplant/txsurvival.html" ], [], [ "http://www.reuters.com/article/2008/10/23/us-norway-eye-idUSTRE49M6BL20081023" ], [], [...
4259az
how come you need to "re-login" websites, especially when both the username and password is remembered by the browser?
Is it really a security issue when all I (or any other person...) needs to do is hit the Log in button?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4259az/eli5_how_come_you_need_to_relogin_websites/
{ "a_id": [ "cz7o0af", "cz7o0y3", "cz7o1mx" ], "score": [ 2, 2, 4 ], "text": [ "You need it because the password remembering thing is made by your browser and not the website. So it's the user's fault for not being secure enough. ", "Well, in this case this is your problem, and...
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[ [], [], [] ]
1jrc9i
why is the jump from 240p to 360p so extreme, but 360p to 480p is so minor?
Every time I'm on YouTube it tries to make my videos in 240p, but it looks like it was recorded with a potato. Once you switch to 360p, it looks perfect, but then switching 480p doesn't really do anything different at all.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1jrc9i/eli5_why_is_the_jump_from_240p_to_360p_so_extreme/
{ "a_id": [ "cbhitjs", "cbhivxq" ], "score": [ 3, 2 ], "text": [ "Part of this could be that if YouTube defaults a video to 240p, it's because the video was already recorded with a potato (great wording, by the way. I'm stealing that phrase). If you record something in 240p, even if you sc...
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21qobl
How much closer would a human have to travel (Mi./Km) towards the Sun to feel a noticeable rise in temperature? Vice verse for traveling away from the sun?
askscience
http://www.reddit.com/r/askscience/comments/21qobl/how_much_closer_would_a_human_have_to_travel_mikm/
{ "a_id": [ "cgfsm59", "cgfy14x" ], "score": [ 10, 3 ], "text": [ "Are we in space or on earth? The sun transmits heat via radiation (vs convection or conduction).\n\nThe amount of energy transmitted follows an inverse square law (1/x^2) so if you are twice as close to the sun, you experie...
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1du9tk
Does Germany have any fund/program in place to aid the families of Holocaust victims?
Not that they necessarily need it, but always wondered. Do they just simply act like it never happened?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/1du9tk/does_germany_have_any_fundprogram_in_place_to_aid/
{ "a_id": [ "c9twawj" ], "score": [ 5 ], "text": [ "Yes. Germany began an (extremely controversial) reparations system in the 50s. It compensated Israel for absorbing refugees, as well as property and labor confiscated from people who were killed (those figures were all approximations, of course...
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[ [ "http://www.claimscon.org/", "http://en.wikipedia.org/wiki/Holocaust_reparations", "http://www.jewishvirtuallibrary.org/jsource/Holocaust/reparations.html" ] ]
54ln6v
how are meals like ramen or sichuan (which are largely based on fatty meats and lots of oil) more healthy than a meal like a burger?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/54ln6v/eli5_how_are_meals_like_ramen_or_sichuan_which/
{ "a_id": [ "d82yh2f" ], "score": [ 10 ], "text": [ "It's not, necessarily. It depends on size and ingredients. \n\nAlso, \"Sichuan\" is an entire region (and an entire genre of cuisine), not a particular dish. \n\nAll in all, ramen has similar macronutrients to a burger. Plenty of fat in the ...
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[ [ "http://www.fiveguys.com/menu/nutrition", "http://www.myfitnesspal.com/food/calories/authentic-japanese-general-varies-by-restaurant-tonkatsu-ramen-pork-71749991" ] ]
2lani1
/ what is color?
Theres a lot of information on the surface of this question but underneath is color based on atomic structure, compound, what? Is pure gold always the same color? Do atoms all reflect light the same way? I get that light reflected back is what you see as a color, but what causes the division of that light?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2lani1/eli5_what_is_color/
{ "a_id": [ "clt0sbo", "clt3nk0", "clt427g" ], "score": [ 2, 2, 2 ], "text": [ "The atom is the smallest part of matter that still retains its physical properties (such as color). So yeah, if you get any fixed amount of gold atoms only, it will always be golden; the same golden. Si...
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[ [], [], [] ]
ebiii9
how exactly do non-red blood cells get oxygen from the red blood cells?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/ebiii9/eli5_how_exactly_do_nonred_blood_cells_get_oxygen/
{ "a_id": [ "fb51w35", "fb525i1", "fb52e53" ], "score": [ 9, 3, 2 ], "text": [ " > How exactly do non-red blood cells get oxygen from the red blood cells?\n\nNon-red blood cells produce CO2 by reacting sugars or fatty acids with oxygen. \n\nCO2 combines with water in the blood to f...
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[ [], [], [] ]
38ph05
most 3d renders (like blender) can render via gpu or cpu? why not both at the same time for maximum efficiency?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/38ph05/eli5_most_3d_renders_like_blender_can_render_via/
{ "a_id": [ "crws69l" ], "score": [ 16 ], "text": [ "It takes a lot longer to send information from the CPU to the GPU and back than you would think. Processors are fast, but transfer speeds between parts on your computer slow compared to that, so it would take longer to have both the CPU and GPU ...
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[ [] ]
2fb00j
Why did Ottoman Sultans take so many consorts from the Caucasus?
Looking through wikipedia, in particular this list, _URL_0_, a very large number of their wives were from the caucasus.
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/2fb00j/why_did_ottoman_sultans_take_so_many_consorts/
{ "a_id": [ "ck7mjwg", "ck7rc9v" ], "score": [ 11, 12 ], "text": [ "The Ottoman spent centuries fighting the Persian Empire within the Caucasus. As a result each side forged alliances with the various rulers for varying amounts of time. To help forge these alliances, daughters/sisters woul...
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[ "http://en.wikipedia.org/wiki/List_of_consorts_of_the_Ottoman_Sultans" ]
[ [], [ "http://en.wikipedia.org/wiki/Kizlar_Agha", "http://en.wikipedia.org/wiki/Circassian_beauties", "http://en.wikipedia.org/wiki/Kapi_Agha" ] ]
1ckv2k
Can I get some reliable sources on the percentage of equipment used by the UK and USSR that came from Lend-Lease or was otherwise manufactured in the United States during WWII?
I had some charts and numbers a while ago which presented, for example, the percentage of ammunition used by the British Commonwealth that was manufactured in the United States, the percentage of Soviet trucks and locomotives built in the U.S., etc. I cannot for the life of me remember what this source was or what I d...
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/1ckv2k/can_i_get_some_reliable_sources_on_the_percentage/
{ "a_id": [ "c9hvy50" ], "score": [ 2 ], "text": [ "I googled a little bit and found for example [this chart](_URL_0_) on [this page](_URL_1_). That's only for China, but imagine that other chapters might have similar charts?" ] }
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[ [ "http://www.ibiblio.org/hyperwar/USA/USA-CBI-Mission/charts/USA-CBI-Mission-5.jpg", "http://www.ibiblio.org/hyperwar/USA/USA-CBI-Mission/USA-CBI-Mission-7.html" ] ]
24fgk9
what causes the light pain in joints/injuries before a storm?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/24fgk9/eli5_what_causes_the_light_pain_in_jointsinjuries/
{ "a_id": [ "ch6lvob" ], "score": [ 3 ], "text": [ "Please remember to search before posting, as this question has already been asked, but I will answer anyways.\n\nWhat's happening is that part of your is more susceptible to changes in barometric pressure. (Fairly sure it's due to excess fluid, d...
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