q_id stringlengths 5 6 | title stringlengths 3 301 | selftext stringlengths 0 39.2k | document stringclasses 1
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values | url stringlengths 4 132 | answers dict | title_urls list | selftext_urls list | answers_urls list |
|---|---|---|---|---|---|---|---|---|---|
2k0383 | how are bills able to be changed last minute with other members of congress seemingly being out of the loop? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2k0383/eli5_how_are_bills_able_to_be_changed_last_minute/ | {
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"It doesn't happen with most bills. \n\nWhen it does tend to happen is when there is a particularly complicated bill that has to be passed immediately (e.g. a bill that keeps the government funding from shutting down, or dea... | [] | [] | [
[],
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2wklyn | At what point does matter (mass/size) follow quantum physics as opposed to standard physics? | askscience | http://www.reddit.com/r/askscience/comments/2wklyn/at_what_point_does_matter_masssize_follow_quantum/ | {
"a_id": [
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"text": [
"At every point. QM is the correct theory. \"Standard Physics\" is the short-wavelength approximation to QM. Which method you use depends on how accurate you need to be in your prediction.",
"Classical physics emerges wh... | [] | [] | [
[],
[]
] | ||
2j6qsy | what does it mean that there is a 2,500 square-mile cloud of methane over the southwest? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2j6qsy/eli5what_does_it_mean_that_there_is_a_2500/ | {
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"text": [
"Methane is much more efficient at trapping radiation than CO2 - about 20 times more so. As far as greenhouse gases go, it's (one of) the killer(s).\n\nEdit: ... | [] | [] | [
[
"http://www.slate.com/articles/health_and_science/the_green_lantern/2007/11/the_other_greenhouse_gases.html",
"http://epa.gov/climatechange/ghgemissions/gases/ch4.html"
],
[],
[],
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1zo0z0 | why is 100 degrees celsius the "boiling point", when water can boil below 100 degrees? | I mean, it evaporates before 100 degrees, so why is it the boiling point? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1zo0z0/eli5why_is_100_degrees_celsius_the_boiling_point/ | {
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"Water without impurities boils at 100degrees c at sea level",
"It's the boiling point at sea level.\n\nDepending on altitude, that boiling point changes, but you have to set the standard somewhere.... | [] | [] | [
[],
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] | |
175fb9 | How strong were relations between the USA and Liberia over time politically, economically, and culturally? | I was watching a Vice documentary on Liberia the other day and at one point one of the interviewed Liberian generals (I think it was Butt Naked) said that Liberians considered themselves "The 51st state" and that there was a possibility of some of the Liberian warlords troops participating in Gulf war one. This got me... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/175fb9/how_strong_were_relations_between_the_usa_and/ | {
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"This question has been up for a while without a single response. I am not a historian, but I will try to provide good sources from what I've searched up.\n\nEarly advocates for resettlement included [P... | [] | [
"http://www.youtube.com/watch?v=ZRuSS0iiFyo"
] | [
[
"http://www.fold3.com/page/1901_the_american_colonization_society/",
"http://en.wikipedia.org/wiki/Paul_Cuffee",
"http://utc.iath.virginia.edu/abolitn/abeswlgbt.html",
"http://www.unz.org/Pub/LiteraryDigest-1909dec25-01167"
],
[],
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"http://www.onliberia.org/con_1847.htm"
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7y9d6s | why do seniors/children pay less for movie tickets when they still take the same amount of space ? | I get buffets charge less because seniors/children generally eat less. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7y9d6s/eli5why_do_seniorschildren_pay_less_for_movie/ | {
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"text": [
"Its a way to get them into the thester. If no seniors are willing to spend $10 to go to the thester, then profit is $0. If lowering the price will cause at ... | [] | [] | [
[],
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] | |
bj99ba | why is lumber sold based the size it was before it went into the planer? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bj99ba/eli5_why_is_lumber_sold_based_the_size_it_was/ | {
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"text": [
"A couple of points to add, and this from a former NELMA Lumber Inspector. They use 'green lumber' sizes{i.e. that from the saw first ... | [] | [] | [
[],
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[],
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7gozqf | What happens to the kinetic energy of a moving radioactive particle when it decays? | I know that energy should always be conserved and I was taught that the energy that comes available when a particle decays comes from the conversion of mass to energy. However the mass that was converted also had a certain amount of kinetic energy right? Where did that go. | askscience | https://www.reddit.com/r/askscience/comments/7gozqf/what_happens_to_the_kinetic_energy_of_a_moving/ | {
"a_id": [
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"text": [
"Energy and momentum are conserved for any decay, in any frame of reference. If you carefully keep track of the energies and momenta of all particles in a decay where the parent particle is moving, you'll find that they are both conserved."
]
} | [] | [] | [
[]
] | |
6guc94 | Did Confederate symbols disappear after the Civil War? Did people still display the Confederate flag after the war? If, not when did it come back in fashion? | Washington Post had an article that briefly spoke about this question. I wanted to know if there was any validity to this.
[From Washington Post](_URL_0_)
> But what is less well-known is the actual history of these symbols after the Civil War — and this history sheds important light on the debate. Confederate sy... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6guc94/did_confederate_symbols_disappear_after_the_civil/ | {
"a_id": [
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"text": [
"Hi there -- this is a question that's come up here a few times before. Not to discourage new answers, but you may be interested in these previous links on the topic: \n\n_URL_0_\n\n_URL_1_\n\n_URL_2_\n\n"
]
} | [] | [
"https://www.washingtonpost.com/news/monkey-cage/wp/2017/06/12/confederate-symbols-largely-disappeared-after-the-civil-war-the-fight-against-civil-rights-brought-them-back/?utm_term=.2869c719f0ab"
] | [
[
"https://www.reddit.com/r/AskHistorians/comments/3cg2sq/ama_john_coski_author_of_the_confederate_battle/",
"https://www.reddit.com/r/AskHistorians/comments/48hfu0/what_is_the_history_of_the_confederate_flag_and/",
"https://www.reddit.com/r/AskHistorians/comments/48iem2/morphing_views_of_the_symbolism_... | |
7oaf44 | why do products with double the amount/content don't nearly cost double the price? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7oaf44/eli5_why_do_products_with_double_the/ | {
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"Smaller products have more packaging costs, more transaction overhead & more customer service issues. When you make something, you just want to focus on making that thing so you... | [] | [] | [
[],
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[],
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] | ||
1soln3 | what causes the menstruation cycle to be regular? | How does the female body know every month to shed the lining of the uterus? What affects this cycle? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1soln3/eli5_what_causes_the_menstruation_cycle_to_be/ | {
"a_id": [
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"score": [
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"text": [
"Mother fucking biological clock, every 28 days that shit needs to be refreshed.",
"[Additional info](_URL_0_) \n\nThe menstrual cycle is caused by hormones that fluctuate in level throughout the cycle. A hormone called f... | [] | [] | [
[],
[
"http://womenshealth.about.com/cs/menstruation/a/understandmenst.htm"
]
] | |
17b31y | i can always find a deal on most electronics if i look hard enough. why do the prices of certain products never seem to vary more than a few bucks? | Apple is the best example of this but I think the same might hold true for designer stuff too (and I'm sure there are others). | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/17b31y/eli5_i_can_always_find_a_deal_on_most_electronics/ | {
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"text": [
"Apple will only supply to retailers if the retailer agrees to very strict conditions. Those conditions include that the retailer only sells Apple products at pre-agreed prices. Which is why you will never be able to find a deal on a new iPhone or... | [] | [] | [
[]
] | |
8m7ezj | What causes different materials to expand or contract at different rates? | Recently finished the thermodynamics unit in physics, and wanted to know what causes different materials to expand or contract at different rates? Does it have anything to do with the heat capacity, or are they two separate things?
\(I am aware that it is called the "coefficient of linear expansion" btw\) | askscience | https://www.reddit.com/r/askscience/comments/8m7ezj/what_causes_different_materials_to_expand_or/ | {
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"Intermolecular bonding energy. Heat is atomic kinetic energy, right? Well, if a material is bonded to itself really strongly (tungsten), it will take a lot of energy (heat) to ... | [] | [] | [
[],
[
"https://imgur.com/a/ruoZIaO"
],
[
"https://smartech.gatech.edu/handle/1853/58494",
"https://pubs.acs.org/doi/abs/10.1021/acs.chemmater.5b00662",
"https://smartech.gatech.edu/handle/1853/53000",
"https://pubs.acs.org/doi/abs/10.1021/ja106711v"
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[]
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1mfmqk | the concept of a t-test in statistics | When should/n't it be used?
How do I know if my output is reasonable?
How do I know if it's a one or two tail distribution?
I'm analyzing pre- and post- survey data, so I know it's a "paired" test. I've never taken an official stats class but I have plenty of math/science background. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1mfmqk/eli5_the_concept_of_a_ttest_in_statistics/ | {
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"A t-test is used to compare two sets of data gathered independently of each other to see how similar they are. In my job (biochemistry) it's sometimes used during method validation to test how well a particular test will giv... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Mann%E2%80%93Whitney_U",
"http://www.mathsisfun.com/data/standard-normal-distribution.html"
]
] | |
12xuv0 | when is the veil of beyond which the historian can't look, the age that that must be left to the archaeologists? | It just struck me that when they interview experts on TV documentaries, the people who are experts on any society earlier then classical Grease are always archaeologists not historians, why is that? are there no historians that study... old kingdom Egypt, only archaeologists? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/12xuv0/when_is_the_veil_of_beyond_which_the_historian/ | {
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"text": [
"An archaeologist works in the field, studying primarily by excavating remains and recovering objects from the place of history. Historians typically write and study about the subject, but don't necessarily have to be archaeo... | [] | [] | [
[],
[]
] | |
4takl9 | where there is a uterus or another female organ in a woman's body, what is in that exact spot in a man's body? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4takl9/eli5_where_there_is_a_uterus_or_another_female/ | {
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"No, the woman's bladder is just smaller when empty and is located more forward in the body, creating a space behind it, where the womb is located.\nAn important thing about the womb is that, when the woman is not pregnant, it's pretty small organ... | [] | [] | [
[]
] | ||
60dm6o | how can a distance be infinitely smaller | In math last year we learned about asymptotes and how a curve can get infinitely close to a certain line but never touch it. How can the distance between two things be infinitely small when they can easily intersect? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/60dm6o/eli5_how_can_a_distance_be_infinitely_smaller/ | {
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"Between the numbers 1 and 2, there is 1.1, 1.2, 1.3, etc. But between 1.1 and 1.2 there is 1.11, 1.12, 1.13, etc. And between 1.11 and 1.12 there is 1.121, 1.122, 1.123, etc. So there can always be more... | [] | [] | [
[],
[],
[]
] | |
3k3sk6 | when people make supercuts, where do they get all the footage, and how do they find all the clips? | Something like this: [A supercut of all the times "Psych" made a reference to "Mentalist"] (_URL_0_) confuses me. Did someone really watch every episode, and buy all the DVDs, to put it together? Or is there some other way to do it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3k3sk6/eli5_when_people_make_supercuts_where_do_they_get/ | {
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"text": [
"There are places on the internet where you can easily and quickly acquire just about every episode of these shows... For free. After that it's just up to you to piece it together. ",
"In addition to... | [] | [
"http://www.slate.com/blogs/browbeat/2015/09/06/psych_makes_fun_of_the_mentalist_a_supercut_of_all_the_times_the_usa_show.html"
] | [
[],
[],
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"http://www.imsdb.com"
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3x7mqv | In which direction is spacetime "curved"? | I've spent years trying to get my head around General Relativity, and I've never been satisfied with any explanation for how gravity is caused by the "curvature" of spacetime. I think I finally figured out where the roadblock is!
I refer back to the classic example of a very massive object "weighing down" the fabric o... | askscience | https://www.reddit.com/r/askscience/comments/3x7mqv/in_which_direction_is_spacetime_curved/ | {
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"text": [
"The classic example that you refer to does frequently seem to lead to exactly the confusion you mention. It's frustrating because it easy to understand, and is 'morally' correct, although of course it... | [] | [
"http://cdn.makeagif.com/media/6-15-2015/fxbHnL.gif"
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[
"http://www.partyonup.net/ekmps/shops/pounet/images/8-happy-birthday-balloons-theme-cardboard-party-hats-2242-p.jpg",
"http://www.prettyprudent.com/wp-content/uploads/2012/01/PrudentBaby_PartyHat_Template1.jpg"
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[],
[]
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2nwzuj | anarchy vs libertarian | What is the difference between libertarian philosophy and anarchist philosophy? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2nwzuj/eli5_anarchy_vs_libertarian/ | {
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"A libertarian philosophy is laissez-faire (minimal interference from the government) advocating only minimal state intervention in the lives of citizens.\n\nAn anarchist philosophy... | [] | [] | [
[],
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] | |
2z5abg | Stereotypically, we see Ancient Greeks as toga-wearing. How did they dress for winter? | It's become somewhat of a stereotype that, when we hear "Ancient Greece", we imagine endless idyll, peace, tranquility, warmth, culture, theater and togas with sandals.
How did they prepare for the Winter though? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2z5abg/stereotypically_we_see_ancient_greeks_as/ | {
"a_id": [
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"text": [
"Just for clarification, the Greeks did not wear togas, rather himations, chitons, and peplos. Togas were an Etruscan-influenced Roman style, and differed from the green garb both in fastening, drape, and style.\n\nThe met has a nice overview of ... | [] | [] | [
[
"http://www.metmuseum.org/toah/hd/god3/hd_god3.htm"
]
] | |
crk29t | what happens to an eyeball after it's removed from a body and loses its moisture? | Sorry if this is gross, I've just always wondered and can never figure out how to Google this. I never participated in dissections and I don't hunt so I've never interacted with an eyeball apart from putting contacts in.
If you took an eye out of a person or animal (not suggesting this at all) and just set the eyeball... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/crk29t/eli5_what_happens_to_an_eyeball_after_its_removed/ | {
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"text": [
"Well, it would definitely depend upon the environment around the eyeball, but since you're particularly curious about it being dried out; in an arid environment (say under a heat lamp or something) yeah, it would turn into ... | [] | [] | [
[],
[
"https://www.youtube.com/watch?v=PSvUnhSxBEc"
]
] | |
1vrzls | What color would Radon glow when excited? | I've seen the colors of the other noble gases, but I'm curious what Radon would theoretically discharge. | askscience | http://www.reddit.com/r/askscience/comments/1vrzls/what_color_would_radon_glow_when_excited/ | {
"a_id": [
"cev85dz"
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"text": [
"Based on [this](_URL_0_) emission spectrum, it appears that radon would fluoresce with a deep bluish-violet color. Obviously it's intense radioactivity prevents this experiment from being easily accomplished. "
]
} | [] | [] | [
[
"http://chemistry.bd.psu.edu/jircitano/Rn.gif"
]
] | |
tjirt | History of Satanism?
| I was wondering today about this history of religion. My theory is that "Satanism" was historically just a catch all label for things the church didn't approve of and only became an organized religion in modern times. However this is only speculation on my part. Can anybody help me out? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/tjirt/history_of_satanism/ | {
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"You might want to investigate the exploits of the Hellfire Club of the eighteenth-century, it is a predecessor o... | [] | [] | [
[],
[],
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"http://en.wikipedia.org/wiki/Aleister_Crowley"
],
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"http://en.wikipedia.org/wiki/Church_of_satan",
"http://en.wikipedia.org/wiki/Theistic_Satanism"
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3d7xh2 | "complexes" in terms of psychology | i've been seeing a lot of talk over "superiority complexes" and "victim complexes" over the web. what are these? i've tried googling the definition but they simply make no sense to my simple brain haha
thank you! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3d7xh2/eli5_complexes_in_terms_of_psychology/ | {
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"text": [
"The psych meaning of complex is a bit different than the dictionary. In the field, complex refers to a group of attitudes, forms, or personality traits that define whatever word is placed in front of it. Example: \"superiority complex\" refers to... | [] | [] | [
[]
] | |
6gctlw | why are there not many artistic depictions of heaven within christian religious art traditionally? | I mean really depicting what heaven looks like. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6gctlw/eli5_why_are_there_not_many_artistic_depictions/ | {
"a_id": [
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"score": [
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"text": [
"perhaps depicting perfection was thought impossible and hence avoided. My theory, though, is that they thought it offensive to draw holy things back then",
"Aside from being depicted as 'beyond' the sky in renaissance ar... | [] | [] | [
[],
[]
] | |
7a6qr8 | What is the difference between 208/220/240/277v in a 3 phase system and how is each voltage achieved? | Thank you in advance | askscience | https://www.reddit.com/r/askscience/comments/7a6qr8/what_is_the_difference_between_208220240277v_in_a/ | {
"a_id": [
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"score": [
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"text": [
"You are, I believe, talking about a power supply setup used in North America, known as [high-leg delta](_URL_0_).\n\nIn this setup, voltage between any two phases is 240V.\n\nThe neutral is connected to midpoint between two phases, which results ... | [] | [] | [
[
"https://en.wikipedia.org/wiki/High-leg_delta"
]
] | |
ajyscc | why is dietary fibre important? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ajyscc/eli5_why_is_dietary_fibre_important/ | {
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"text": [
"Fiber is made of complex sugars that makes up the cell walls of plants, such as cellulose, or other sugars such as chitin. Although some animals can digest it, humans can't. Since it is not digested, it makes it into the lar... | [] | [] | [
[],
[]
] | ||
9ho0y0 | why is it that modern body armor, like the kind used by the military and police, is very rarely of high enough strength to stop rounds from rifle caliber weapons? especially in a military context, aren't rifle caliber weapons exceedingly common? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9ho0y0/eli5_why_is_it_that_modern_body_armor_like_the/ | {
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23,
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"text": [
"The speed of a rifle bullet is much more than a pistol. The amount of armor that would be required to stop a rifle bullet with the same effectiveness as a pistol round would be too heavy and bulky for... | [] | [] | [
[],
[],
[]
] | ||
302aaf | what made the beatles so revolutionary for the music industry? and why are they regarded as one of the most influential bands of all time? | I am a huge Beatle fan and have always heard of The Beatles truly changing the music industry and influencing countless artists. What exactly did they do the was so game changing? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/302aaf/eli5_what_made_the_beatles_so_revolutionary_for/ | {
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"score": [
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"text": [
"Oh, my. A number of things.\n\n1 The Beatles wrote their own songs.... | [] | [] | [
[],
[],
[],
[
"http://www.amazon.com/Whats-That-Sound-Introduction-History/dp/039393229X/ref=sr_1_3?ie=UTF8&qid=1427156335&sr=8-3&keywords=john+covach",
"http://www.amazon.com/Beatlesongs-William-J-Dowlding/dp/0671682296/ref=sr_1_1?ie=UTF8&qid=1427156377&sr=8-1&keywords=beatles... | |
ta4or | charter schools, good/bad side to them | preferably unbiased, facts
thank you | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/ta4or/eli5_charter_schools_goodbad_side_to_them/ | {
"a_id": [
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"score": [
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"text": [
"Good: Less oversight\n\nBad: Less oversight ",
"They're basically publicly funded private schools. They can be selective in who they admit as a student, often offer better facilities and better trained faculty, and in ma... | [] | [] | [
[],
[]
] | |
6mzoqo | how do some citrus food products contain 0% dv of vitamin c, when they contain 'orange puree' and 'lemon juice concentrate'? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6mzoqo/eli5_how_do_some_citrus_food_products_contain_0/ | {
"a_id": [
"dk5lt1y"
],
"score": [
2
],
"text": [
"The same reason that it's possible for a banana peel to have 0% banana in it anymore. Those fruits are usually vehicles for vitamin c but it's processing removes it. Taste, texture and color don't equal the presence of nutrients"
]
} | [] | [] | [
[]
] | |
6mmapn | how can it be some people die after 1 shot but others, like emmett dalton gets shot 23 times in the late 19th century without great medical care and live? | Seriously, is it purely just dumb luck getting shot in all the "right" places? Also some people die of disease even with the best care they had in that time. Did he have a guardian angel?
"Emmett Dalton received 23 gunshot wounds and survived. (He was shot through the right arm, below the shoulder, through the left ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6mmapn/eli5how_can_it_be_some_people_die_after_1_shot/ | {
"a_id": [
"dk2l9r5",
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"score": [
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],
"text": [
"There are youtube videos on the effects of handguns. Generally handguns are less powerful than rifles.\n\nYes there are specific deadly areas. Being shot in the heart, head or a major artery is generall... | [] | [] | [
[],
[],
[]
] | |
2o64ur | how do big companies hire lawyers to avoid lawsuits? | Obviously nobody is above the law, and I'm sure that applies to corporations too. But somehow, it seems like the corporations can always pay their way out of a lawsuit. How, and why, does this happen? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2o64ur/eli5how_do_big_companies_hire_lawyers_to_avoid/ | {
"a_id": [
"cmk1y45"
],
"score": [
2
],
"text": [
"Basically, the more money you have to defend yourself, the higher probability you'll get away with things (i.e. OJ Simpson). So, let's say you're a petroleum company and you have a spill. Now, you try to blame that on a third party who put the ... | [] | [] | [
[]
] | |
6uh6he | What role did the potato play in Enligthenment ideology in Europe? | In Denmark-Norway, the adoption of the potato as a crop was driven by the king and the church, which promoted it from the pulpit by royal decree. The work of the activist clergy which became known as the "potato priests" became part of a bigger campaign to improve agriculture, eradicate heresy and superstition and impr... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6uh6he/what_role_did_the_potato_play_in_enligthenment/ | {
"a_id": [
"dlsr0gp"
],
"score": [
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"text": [
"Maybe not specifically related to your question, but I can give a bit of background on the introduction of the potato in french cuisine.\n\nThe main figure in this is Antione Augustin Parmentier, who you will see on his wiki page that even though... | [] | [] | [
[
"http://www.napoleonicsociety.com/english/riaudparmentier.html"
]
] | |
20fd9b | how does a star trek styled economy work "where all of humanity is equal and can spend their time creating art, exploring, researching, reading, gardening and raising their family" ? | How does one acquire products, food, healthcare?
Will this ever work in reality?
Can perhaps a Trekkie explain the general economy in detail. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/20fd9b/eli5how_does_a_star_trek_styled_economy_work/ | {
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"text": [
"They have the advantage of having replicators, and in a world where they are commonplace, there is no need to work in order to merely survive. All of their basic needs are already ... | [] | [] | [
[],
[],
[],
[]
] | |
39nfbz | why looking at gruesome pictures of people/animals gross us so much? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/39nfbz/eli5why_looking_at_gruesome_pictures_of/ | {
"a_id": [
"cs4t151",
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],
"score": [
2,
2
],
"text": [
"Empathy. When you see an image of something you consider to have human emotions in pain, your brain actually simulates that pain in order to determine how you should feel about it. This simulation of pain is the root of all ... | [] | [] | [
[],
[]
] | ||
we36e | Is it possible to 'reverse engineer' a secret food ingredient? | Pardon me, since I don't know how else to word it. Using the term reverse engineer very loosely here.
Take KFC, Coca-Cola or other companies that have a secret ingredient, and they have the ingredient sheet locked in vaults and whatnot. If someone committed to this, would they be able to find out what the original ing... | askscience | http://www.reddit.com/r/askscience/comments/we36e/is_it_possible_to_reverse_engineer_a_secret_food/ | {
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"text": [
"You could get a qualititative analysis using a [Mass Spectrometer](_URL_0_), but that wouldn't give you the ratios of each ingredient. It'd be a start",
"Yes, and it has been done. For example, th... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Mass_spectrometry"
],
[
"http://www.amazon.com/Bigger-Secrets-Things-Prayed-Never/dp/0395530083",
"http://en.wikipedia.org/wiki/Coca-Cola_formula#Merory_recipe",
"http://www.pg.com/en_US/index.shtml",
"http://en.wikipedia.org/wiki/Coca-Cola_formula#Purported_s... | |
etplsy | why you can still whisper if you have lost your voice but if you try to talk nothing come out? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/etplsy/eli5_why_you_can_still_whisper_if_you_have_lost/ | {
"a_id": [
"ffhs71j"
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"score": [
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],
"text": [
"Talking uses vibrations of your vocal cords.\n\nWhispering uses the same jaw, lip, and tongue movements to create speech, but only pushing air through open vocal cords. No vibrations = no voice."
]
} | [] | [] | [
[]
] | ||
19jn59 | Is there a physical limit on a car's 0-60 time? | Cars now days are getting so much faster than they used to, but is there a limit to how fast the tires can put the power to the ground? I'm imagining that there's a limit where the tires can't get enough friction to actually accelerate the car, but I'm not sure. | askscience | http://www.reddit.com/r/askscience/comments/19jn59/is_there_a_physical_limit_on_a_cars_060_time/ | {
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"score": [
19,
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"text": [
"Read up on [top fuel dragsters](_URL_0_). They're as fast as we can do right now with a tire-driven car, accelerating from 0-100mph in around 0.7s. We could do better if there we... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Top_Fuel"
],
[],
[],
[]
] | |
7he5h1 | how do the foam cutouts in a recording studio mute out sound? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7he5h1/eli5_how_do_the_foam_cutouts_in_a_recording/ | {
"a_id": [
"dqqa0xz",
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"score": [
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26,
5
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"text": [
"sound waves are just vibrations at different frequencies, a dense material like foam absorbs those vibrations more effectively that a harder surface like concrete, thus reducing reverb..",
"They do... | [] | [] | [
[],
[],
[
"https://en.m.wikipedia.org/wiki/Anechoic_chamber"
]
] | ||
bvvq33 | how does the un work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bvvq33/eli5_how_does_the_un_work/ | {
"a_id": [
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16,
3
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"text": [
"All the countries that are members of the United Nations send representatives to the council, and they have meetings, discussions, and hopefully agreements over all the subjects that are important to ... | [] | [] | [
[],
[],
[]
] | ||
c84nen | what’s the difference between a mountain’s height and its prominence? how are each measured? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/c84nen/eli5_whats_the_difference_between_a_mountains/ | {
"a_id": [
"esju0jd"
],
"score": [
4
],
"text": [
"Height usually refers to the height of the mountain above sea level; basically, what is the difference in height between the peak of the mountain and the average sea level below.\n\n & #x200B;\n\nProminence refers to how much the peak of a mounta... | [] | [] | [
[]
] | ||
evmkdg | why do digital clocks slowly become inaccurate? (follow-up: but something like a car turn signal always blinks at the same frequency?) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/evmkdg/eli5_why_do_digital_clocks_slowly_become/ | {
"a_id": [
"ffwjk9q",
"ffwkcgi"
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"score": [
3,
9
],
"text": [
"Digital clocks use a crystal oscillator circuit to keep time, if there is a flaw in that circuit, where the pulse is not consistent or a small change in resistance over the circuit it will gain or loose time. In a perfect ci... | [] | [] | [
[],
[]
] | ||
5kv3er | why can't you use your phone when it's out of juice and you just plugged it in? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5kv3er/eli5_why_cant_you_use_your_phone_when_its_out_of/ | {
"a_id": [
"dbqvfsy"
],
"score": [
2
],
"text": [
"The battery charge system won't let the phone power up until there is a small reserve of charge on the battery. If you have a tiny charge on the battery, just enough to boot the phone, the phone will boot and the CPU/Display/Everything will star... | [] | [] | [
[]
] | ||
4x9zd8 | Napoleon's Marriage Ambitions | In the book *"The War of the Two Emperors: The Duel Between Napoleon and Alexander"* by Curtis Cate, it is mentioned that Napoleon's feud with Alexander was influenced "by his jilted hope of being able into the Romanov dynasty" I was curious about this and hoped that the experts of this subreddit would expand on it. Th... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4x9zd8/napoleons_marriage_ambitions/ | {
"a_id": [
"d6dxy8k"
],
"score": [
6
],
"text": [
"By 1809, it was clear to Napoleon that he had a problem: he had no direct heir. Rumors of his death in Spain in 1808 encouraged an embryonic conspiracy in circles around Fouche and Talleyrand, and the hard-fought 1809 campaign actually gave Napol... | [] | [] | [
[]
] | |
f1v8sl | Can a baby inside the womb have an allergic reaction? If so how would it be treated? | askscience | https://www.reddit.com/r/askscience/comments/f1v8sl/can_a_baby_inside_the_womb_have_an_allergic/ | {
"a_id": [
"fh9zmkg"
],
"score": [
6
],
"text": [
"Not really, because fetuses don't really have the B-cell diversity an infant has. They have some, but they are a yolk-sac derived alternative that is unique to mature B-cells. I also feel like they won't have many, if any, resident, mature mast c... | [] | [] | [
[]
] | ||
498dcc | how do terrestrial ant colonies survive torrential downpours without flooding in and drowning them? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/498dcc/eli5how_do_terrestrial_ant_colonies_survive/ | {
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"score": [
... | [] | [] | [
[],
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[
"http://bugguide.net/images/cache/0RC/ZIR/0RCZIROZPRPL7ZTLMZTLIZDL4ROL7ZTLIZZHMZTL8RVLKZBL2RLH2RRHKZVLXZHH7ZZH2R3ZRZPLXRJZPR1L4RQH.jpg"
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],
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[],
[],
[],
[],
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ciha6a | what is the difference between adrenaline and noradrenaline? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ciha6a/eli5_what_is_the_difference_between_adrenaline/ | {
"a_id": [
"ev5h5bx"
],
"score": [
7
],
"text": [
"Two different neurotransmitters which signal in different way. Noradrenaline doesn’t have a direct action on the heart. Instead it increases vascular tone. Also, adrenaline has a methyl group on it!"
]
} | [] | [] | [
[]
] | |
36pgo3 | How well can a chemist predict the properties of a chemical before it is synthesized? | How well does a chemist know whether a new chemical will combust immediately upon synthesis? Whether it will be poisonous/cancerous? Whether the chemical will have medical or psychoactive properties? | askscience | http://www.reddit.com/r/askscience/comments/36pgo3/how_well_can_a_chemist_predict_the_properties_of/ | {
"a_id": [
"crfyi0w",
"crfzayo",
"crg4z1o",
"crg5fm0",
"crgb7u8"
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"score": [
80,
11,
6,
3,
3
],
"text": [
"Chemical is very vague. You could be talking about things as simple as an element or as complicated as a protein. \n\nThe truth is, chemists simply don't ha... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/CHON",
"http://en.wikipedia.org/wiki/Protein_folding",
"https://xkcd.com/1430/",
"http://en.wikipedia.org/wiki/Amino_acid"
],
[],
[],
[]
] | |
1bbz9n | how does an excess of democracy in a society lead to civil war or dictatorship? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1bbz9n/eli5_how_does_an_excess_of_democracy_in_a_society/ | {
"a_id": [
"c95h48r"
],
"score": [
2
],
"text": [
"It doesn't. Democracy just means people getting to vote on the rules they live by. What would an excess of that look like? Wars and dictators are caused by a *lack* of democracy. "
]
} | [] | [] | [
[]
] | ||
6mbyw3 | what are the usa's immigration policies goals? | I was listening to Sam Harris's podcast and he and his guest were talking about how immigration should be designed so that the society has the means and the capacity to assimilate them. While I don't often agree with Sam, this idea made a lot of intuitive sense.
But in reality I don't know jack shit about immigration.... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6mbyw3/eli5_what_are_the_usas_immigration_policies_goals/ | {
"a_id": [
"dk0jihh"
],
"score": [
3
],
"text": [
"To simplify it, the US is wanting to implement a system that can \"weed out\" the people that have connections to bad people or bad organizations that might not be so friendly to people in America.\n\nEssentially, the US wants to prevent a \"Troj... | [] | [] | [
[]
] | |
24klu5 | Did Pharaoh Akhenaten renounce godhood in his pursuit of a monotheistic Egypt? | Many of the ancient rulers of Egypt appeared to have claimed divine status to the extent of being considered living gods, or at least of holy blood.
When Akhenaten tried to convert the kingdom to sole worship of the sun disk Aten, how was the matter of the Pharaoh's divinity handled? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/24klu5/did_pharaoh_akhenaten_renounce_godhood_in_his/ | {
"a_id": [
"ch8bqw8"
],
"score": [
2
],
"text": [
"It is not necessarily clear for many reasons. First of all there is the extent to which each pharaoh was seen as divine versus there being a divine spirit of royal authority which each ruler had as an attribute. I find the argument for the lat... | [] | [] | [
[]
] | |
35ft48 | Can Tsar Nicholas II's personality be blamed for the decline and fall of the Romanov dynasty? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/35ft48/can_tsar_nicholas_iis_personality_be_blamed_for/ | {
"a_id": [
"cr428fz",
"cr4jtw0"
],
"score": [
5,
4
],
"text": [
"Part of it according to Robert Massie's book Nicholas and Alexandra has to do with the fact that his father Alexander III died at a relatively young age and was not really preparing his son for the responsibilities. He had t... | [] | [] | [
[],
[]
] | ||
jn8im | What are the problems surrounding human cryogenises (with prospect of later resuscitation), and does anybody in the field have any insight on the steps being taken to improve the process? | I am sitting at work letting my mind wander, as it often does, and I started thinking a little bit about death. Simple, fundamental thoughts that everybody has had. "I wonder what it's like. I wonder what it feels like." and it sort of occurred to me that if cryogenics were perfected, you could essentially "experience ... | askscience | http://www.reddit.com/r/askscience/comments/jn8im/what_are_the_problems_surrounding_human/ | {
"a_id": [
"c2dj8x2",
"c2djtee",
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"c2dj8x2",
"c2djtee",
"c2dlboh"
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"score": [
2,
3,
2,
2,
3,
2
],
"text": [
"i don't have any experience with freezing people/animals, but in the lab we can't freeze mammalian cells the way we do with bacteria. yo... | [] | [] | [
[],
[
"https://secure.wikimedia.org/wikipedia/en/wiki/Amorphous_ice"
],
[],
[],
[
"https://secure.wikimedia.org/wikipedia/en/wiki/Amorphous_ice"
],
[]
] | |
6pb1fm | What affects whether rain comes down hard or soft? | askscience | https://www.reddit.com/r/askscience/comments/6pb1fm/what_affects_whether_rain_comes_down_hard_or_soft/ | {
"a_id": [
"dko7a48",
"dko9zpp",
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"score": [
1940,
32,
74
],
"text": [
"The atmosphere everywhere (even outside the cloud) contains lots and lots and lots of water. And under a stable combination of temperature, pressure, and humidity, all that moisture is perfectly ha... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Precipitation_types",
"http://glossary.ametsoc.org/wiki/Stratiform_precipitation_area"
],
[]
] | ||
14w8f5 | Do identical twins have a higher chance of having identical twins? | I want to know if twins have a higher likelyhood of having twins and if so, does that apply to identical twins being more likely to have identical twins. | askscience | http://www.reddit.com/r/askscience/comments/14w8f5/do_identical_twins_have_a_higher_chance_of_having/ | {
"a_id": [
"c7h4his"
],
"score": [
3
],
"text": [
"Fraternal (non-identical) twins occur when, during ovulation in a female, two or more separate eggs are released, and more than one egg becomes fertilized. Since they have different DNA, the twins are not identical. There is a gene that increases... | [] | [] | [
[]
] | |
1t6mvq | why are humans attracted to bright and shiney things? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1t6mvq/eli5_why_are_humans_attracted_to_bright_and/ | {
"a_id": [
"ce4utbc"
],
"score": [
6
],
"text": [
"Most mammals are. \n\nI once read it's because pure, clean water is naturally reflective, so that way we are more attracted to the shiny clean water than to the murky one. "
]
} | [] | [] | [
[]
] | ||
2a2udl | How effective of a fuel source was Whale Oil? | Also is whale oil the main reason people went whaling? If not what was? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2a2udl/how_effective_of_a_fuel_source_was_whale_oil/ | {
"a_id": [
"cir6c8q"
],
"score": [
7
],
"text": [
"\"Whale oil\", or the triglyceride derived from adipose tissues \"blubbler\" of whales, usually contains a large amount of unsaturated fatty acids which burns poorly and produces a lot of soot; poor grades of oil derived from whale guts also had ... | [] | [] | [
[]
] | |
z3t4v | if colors are defined by wavelengths of light, how do they combine to form new colors? | When I hear a 2 sounds at different frequencies generated at the same time, I hear a harmony, in which I can identify both distinct sounds. Yet, if I look at 2 superimposed colors, they combine to form a new color. If a green light is shined on a white surface, and a blue light shines on the same surface, it looks ye... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/z3t4v/eli5_if_colors_are_defined_by_wavelengths_of/ | {
"a_id": [
"c617qja",
"c617vma",
"c61e7l9",
"c61f1rb"
],
"score": [
9,
3,
2,
2
],
"text": [
"Colours are not _purely_ defined by wavelengths of light. In fact, colours are entirely the result of _perception_.\n\nThat means there are some monochromatic colours - light of on... | [] | [] | [
[],
[],
[
"http://en.wikipedia.org/wiki/File:Cone-response.svg"
],
[
"http://www.reddit.com/r/explainlikeimfive/comments/z45h6/i_love_the_flavor_of_butterscotch_i_love_the/"
]
] | |
7px86s | If you were drafted into WWII or Vietnam, did the armed forces take into account your desires or skill set when deciding where to place you, or was it completely by chance? | Say you were any engineer before you were drafted into the Army? Would they take that into account when deciding what your job would be during the war, or was it just as likely that you would be placed as a GI? Or if you had a strong desire to be an AA gunner in the Navy and maybe some skill set that would tend to m... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7px86s/if_you_were_drafted_into_wwii_or_vietnam_did_the/ | {
"a_id": [
"dskrikv"
],
"score": [
3
],
"text": [
"[This response I wrote on the USMC mobilization might be of interest for you.](_URL_0_)"
]
} | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/3en1xr/in_ww2_did_marines_get_drafted/ctgp3b1/"
]
] | |
25oez2 | if someone used a flashlight in a closed container traveling close to the speed of light, would the waves of light leaving the flashlight, be traveling faster than the speed of light? | Basically this is what I am wondering:
If both sound and light are waves (I heard something about light also being a particle and a wave so maybe that's where I'm getting confused)
and they both travel at a set speed, sound: 340.29 m / s, and light 299 792 458 m / s.
But the ISS is traveling at some 7.71 km/s, fast... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/25oez2/eli5_if_someone_used_a_flashlight_in_a_closed/ | {
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"No.\n\nA common misconception is that you just add velocities to get a resultant velocity, which is why you think that your scenario would unfold this way.\n\... | [] | [] | [
[
"http://www.reddit.com/r/explainlikeimfive/comments/25oez2/eli5_if_someone_used_a_flashlight_in_a_closed/chj5wi3",
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],
[],
[
"http://en.wikipedia.org/wiki/Length_contraction"
],
[
"http://www.amazon.com/... | |
61bffm | what is the differences between a bill getting pulled in congress versus it going to a vote and failing? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/61bffm/eli5_what_is_the_differences_between_a_bill/ | {
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"text": [
"In other words, what future consequences does pulling a bill have, rather than if it had failed to get a majority of votes. ",
"When you realize your constituents support somet... | [] | [] | [
[],
[],
[],
[]
] | ||
e710uq | During the oxidation of a metal tool, what makes certain areas rust faster than others? | askscience | https://www.reddit.com/r/askscience/comments/e710uq/during_the_oxidation_of_a_metal_tool_what_makes/ | {
"a_id": [
"f9wq77h",
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"score": [
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"text": [
"The presence of moisture on those parts of the tool as well as a lack of other oxidation. \n\nIron tools rust what elemental iron is in contact with Oxygen in the air and water. A tiny droplet of water on a surface is enoug... | [] | [] | [
[],
[]
] | ||
f09gsv | The first bicycles seem to have been eccentricities to be enjoyed by the rich. When was their potential for cheap, reliable transportation recognised, and when and how did they proliferate among the general population? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/f09gsv/the_first_bicycles_seem_to_have_been/ | {
"a_id": [
"fgtxe30"
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"score": [
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"text": [
"Bicycles really started to become popular during the athletics boom of the late nineteenth century. \n\nThroughout the Industrial Revolution, the middle classes (and to some extent the working classes as well) tended to acquire more and more mac... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/cf12sc/a_lot_of_womens_work_underwent_an_era_of/evum1hr/",
"https://www.reddit.com/r/AskHistorians/comments/5yaib4/was_there_a_dedicatedrecommended_cycling_attire/deoso00/"
]
] | ||
2kgkce | are you a criminal if you deliberately choose not to prevent someone from committing suicide? | title. Of course, you would want to prevent anyone from committing suicide.
But what if my grandpa would tell me he will jump out of a plane tomorrow without opening his parachute, because he's diagnosed with Alzheimer's disease and wants to die while he's strong enough to make conscious decisions? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2kgkce/eli5are_you_a_criminal_if_you_deliberately_choose/ | {
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"cll2qk4",
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"score": [
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"text": [
"I think for the most part you can't be charged with anything for letting someone commit suicide. I'm sure their are exceptions like if you are legally responsible for the person for whatever reason. ",
... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Good_Samaritan_law"
],
[]
] | |
2gjffe | why do we "shush" people to try to quiet them? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2gjffe/eli5_why_do_we_shush_people_to_try_to_quiet_them/ | {
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"text": [
"The \"S\" sound is very high frequency, so is easier to place in three dimensional space. The purpose of \"Shush\" is to draw attention to your face, so t... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
136stc | Is it possible that the speed of light has been decreasing over time? The decrease of c within our margin of error (measurement precision) over the last 100 years? | askscience | http://www.reddit.com/r/askscience/comments/136stc/is_it_possible_that_the_speed_of_light_has_been/ | {
"a_id": [
"c71ajk3",
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"score": [
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"text": [
"As far as I'm aware, there has been no experimental detection of a change in c. Observations of the [Cosmic Microwave Background](_URL_0_), light emitted in the very early universe... | [] | [] | [
[
"http://en.wikipedia.org/wiki/CMB"
],
[
"http://en.wikipedia.org/wiki/Varying_speed_of_light#The_varying_speed_of_light_cosmology",
"http://discovermagazine.com/2003/apr/cover"
],
[
"http://en.wikipedia.org/wiki/Maxwell's_equations"
],
[
"http://en.wikipedia.org/wiki/Fine-structure... | ||
bcoxyd | What is the functional difference between an Induction phone charger and an Induction cooktop? | askscience | https://www.reddit.com/r/askscience/comments/bcoxyd/what_is_the_functional_difference_between_an/ | {
"a_id": [
"ekt8i9j"
],
"score": [
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],
"text": [
"With phone chargers there is a digital control loop which also talks back to the charger and requests power. Wireless charging can go in both directions like with the Galaxy 10 it can charge other devices by sending power. Your regular cooking pa... | [] | [] | [
[]
] | ||
dqxnff | why does the age of consent tend to increase in more modern societies and vice versa? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dqxnff/eli5_why_does_the_age_of_consent_tend_to_increase/ | {
"a_id": [
"f6baugp",
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"score": [
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23
],
"text": [
"The key part is modern. Like it or not, it really requires around 12 years of basic education (generally speaking, there are many exceptions) to become a somewhat productive member of society. Many people aspire to 16 years... | [] | [] | [
[],
[]
] | ||
35v879 | how do you teach a deafblind person to a good level of education? (think helen keller level of education) | The main thing I struggle to understand is how do you teach meaning to someone through something like braille or the deafblind alphabet? If you can't see or hear, how can you understand letters/words and the meaning attached to those? It baffles and amazes me that this can be done, and makes me incredibly happy knowing... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/35v879/eli5_how_do_you_teach_a_deafblind_person_to_a/ | {
"a_id": [
"cr84khc"
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"score": [
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"text": [
"I'd recommend reading about Helen Keller. Basically it involves lots of patience and repetition. In a way, it's like listening to someone speak a language until you start to pick up on what they're saying. In the case of Helen Keller, she learned... | [] | [] | [
[]
] | |
15smyz | When and why did dancing stop being about set pieces and more about 'freestyling'? | For instance, you see courtly dances, moving on into the waltz which survives in ballroom but it seems that the norm was a corpus of dance moves to be known and acted out rather than the more freestyle expected in clubs now. Why and when did that happen? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/15smyz/when_and_why_did_dancing_stop_being_about_set/ | {
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"text": [
"Related to OP's question, \n\nHow many dances was the average person expected to know in europe? ",
"I'm not sure that's a fair comparison. The more courtly dances would hav... | [] | [] | [
[],
[],
[],
[]
] | |
2gbyxx | Calculating ancestors paradox? |
So here is what I am wondering.
I exist, which means I have parents and they exist.
Since my parents exist, each have their own parents that exist. So far so good?
So to put it in numbers, 1 (me) - > 2 (my parents) - > 4 (my grandparents) - > 8 - > 16 and so on
After 40 generations (~2000 years) only, it seems... | askscience | http://www.reddit.com/r/askscience/comments/2gbyxx/calculating_ancestors_paradox/ | {
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"text": [
"Small villages used to be pretty much one big family. If you lived in one, you might marry your 2nd / 3rd cousin. Occassionally, some... | [] | [
"http://www.reddit.com/r/askscience/comments/1dh979/when_you_graph_your_family_tree_parents_parents/"
] | [
[],
[],
[
"http://en.wikipedia.org/wiki/Pedigree_collapse"
],
[
"http://genealogy.about.com/library/tips/blancestors.htm"
],
[
"http://en.wikipedia.org/wiki/Toba_catastrophe_theory"
],
[]
] | |
1if5x7 | what's the point of studying art? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1if5x7/eli5_whats_the_point_of_studying_art/ | {
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"text": [
"There have been a lot of different art styles around the world throughout history. Studying art holistically can lead to a new understanding of art and can even result in insights into other areas of s... | [] | [] | [
[],
[],
[
"http://en.wikipedia.org/wiki/The_Death_of_Marat",
"http://news.softpedia.com/news/Artist-Leaves-Dog-To-Die-on-Exhibition-Display-82091.shtml"
]
] | ||
1kccz3 | why is email treated differently than snail mail when it comes to privacy? | I was listening to the news this morning and they reported that google has said that any one who uses their service has no right to privacy because they are using a 'third party.' Isn't the post office a third party as well? Or is it simply because it is a privately owned corporation? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1kccz3/eli5why_is_email_treated_differently_than_snail/ | {
"a_id": [
"cbnhljw"
],
"score": [
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"text": [
"Because there are specific laws written for how paper mail is to be handled, mainly because the post office is run by the government and it was already bound in part during it's creation by the constitution (4th Amendment, unless they have a good... | [] | [] | [
[]
] | |
qkjoq | Total energy is finite, universe is expanding: does everything have decreasing energy over time? | I apologize if this has been asked before - a quick search on Google/Reddit didn't show anything!
I've been wondering about this for a few years and never knew who to ask:
I have been taught that energy can neither be created nor destroyed, and so there is a finite amount of energy in the universe. I have also been ... | askscience | http://www.reddit.com/r/askscience/comments/qkjoq/total_energy_is_finite_universe_is_expanding_does/ | {
"a_id": [
"c3yblqi",
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"score": [
2,
2,
2
],
"text": [
"[Q & A](_URL_0_) about energy from Department of Physics University of Illinois at Urbana-Champaign",
"There's a great article published in June of 2010 in Scientific American that very adequately... | [] | [] | [
[
"http://van.physics.illinois.edu/qa/listing.php?id=1757"
],
[
"http://www.scientificamerican.com/article.cfm?id=is-the-universe-leaking-energy"
],
[]
] | |
en79xn | Why might UTIs (urinary tract infections) have a drastic affect on mental health? What is the link? | [deleted] | askscience | https://www.reddit.com/r/askscience/comments/en79xn/why_might_utis_urinary_tract_infections_have_a/ | {
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"score": [
2,
6,
68
],
"text": [
"Although I don’t know the a answer I do know there is a link that is scientifically being considered. Coincidentally I unfortunately happen to be close with an older woman with anti-NMDAR encephalitis ... | [] | [] | [
[],
[],
[]
] | |
7arzvv | How did humans figure out that salt was good on food? Did they just grind up different rocks on their food until they found one that tasted good? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7arzvv/how_did_humans_figure_out_that_salt_was_good_on/ | {
"a_id": [
"dpd3pi0"
],
"score": [
21
],
"text": [
"You may want to post this in /r/askanthropology since your question pertains to behaviors that date back to prehistory."
]
} | [] | [] | [
[]
] | ||
dcspvi | it is so easy to reconnect a torn wire, any person with some duct tape can do it. how come it’s so difficult and often impossible to fix/reconnect a torn nerve? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dcspvi/eli5_it_is_so_easy_to_reconnect_a_torn_wire_any/ | {
"a_id": [
"f2au3xm"
],
"score": [
13
],
"text": [
"A nerve isn't a solid or stranded piece of metal with some insulation where simply twisting two broken ends together will do."
]
} | [] | [] | [
[]
] | ||
944nf4 | What (if any) progress is being made on exploring if electrons and quarks have component parts or are truly elementary particles? | Are there any projects/experiments ongoing - or proposed - that are attempting to split an electron or quark? Or in some other way test whether these particles can be broken down or subdivided into smaller, theoretical unknown particles? | askscience | https://www.reddit.com/r/askscience/comments/944nf4/what_if_any_progress_is_being_made_on_exploring/ | {
"a_id": [
"e3ijphw"
],
"score": [
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"text": [
"The progress is that any possible substructure is getting pushed to smaller and smaller lengthscales by experiments, from the Large Hadron Collider and others. For example, [this analysis](_URL_0_), which can probably (or has been?) improved upo... | [] | [] | [
[
"https://link.springer.com/article/10.1007%2FJHEP05%282012%29055",
"http://science.sciencemag.org/content/early/2013/12/31/science.1248213?casa_token=T6-6yVvkyrAAAAAA:l7pdpGZVzW8Nibfc-cw4BPRLRUSJRpURQcnr32ilKn_mEye80gPxskJkXv4OZq7OSXFyg_jIupv_"
]
] | |
125uk5 | Say we were able to create a hole through the centre of the earth. | Disregarding extreme heat.. what would happen if someone were to jump through this hole? would they shoot through the earth? or be pulled to the center by earths gravity? | askscience | http://www.reddit.com/r/askscience/comments/125uk5/say_we_were_able_to_create_a_hole_through_the/ | {
"a_id": [
"c6sesk3",
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"score": [
13,
7
],
"text": [
"[This video should have your answer](_URL_0_)",
"The NDT/NOVA video posted by doctorfeelgood21 is good, but it doesn't say what would actually happen.\n\nDuring the first half of the jump, gravity would cause you to acc... | [] | [] | [
[
"http://www.youtube.com/watch?v=wuHau1LTH8Y"
],
[]
] | |
zivdp | how much turbulence can a plane take before there is a critical failure somewhere | Hi
So I am flying from Portland OR, to Toronto CAN, on a journey to the otherwise of the world, and mid flight the turbulence hits, the plane hits a pocket of I am guess low air pressure or something (please correct my understanding of this scenario) and drops out of the sky briefly, people gasp, followed by relative... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/zivdp/eli5_how_much_turbulence_can_a_plane_take_before/ | {
"a_id": [
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"text": [
"Airframe loading is generally measured in g's, 1.0g is the force exerted by gravity. The world's most popular commercial airline, the 737, has g limits of +2.5g and -1.0g. This figure is worst case, at full load with a belly full of passengers, ... | [] | [] | [
[
"http://www.youtube.com/watch?v=WRf395ioJRY"
]
] | |
7mgeg0 | Is there any evidence of diseases that existed in the past, but aren't around today (eradicated naturally, not through vaccinations)? | So not something like smallpox or rinderpest. This question sparked because I was thinking if we recovered a mummy from Ancient Egyptian times, if it would be possible that it might introduce a new disease. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7mgeg0/is_there_any_evidence_of_diseases_that_existed_in/ | {
"a_id": [
"dru5apf"
],
"score": [
75
],
"text": [
"I wish I could give you more details about this, but there are a few diseases that historians have no been able to identify. Some of these are because of vague symptoms in records, but some of these may truly be diseases that are no longer prese... | [] | [] | [
[
"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3840873/",
"https://en.wikipedia.org/wiki/Sweating_sickness",
"http://discovermagazine.com/1997/jun/thesweatingsickn1161",
"http://discovermagazine.com/1993/dec/deathatthecorner320#.UVDARxmzI7A",
"https://en.wikipedia.org/wiki/Culture-bound_syndrom... | |
1jpcul | How did the original pharoahs, kings and emperors of ancient civilizations establish their power/become chosen for their role? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1jpcul/how_did_the_original_pharoahs_kings_and_emperors/ | {
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"cbh10kv",
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"score": [
5,
2,
2
],
"text": [
"Each civilisation has different reasons for their particular monarch being on the throne. Since I only really know about them, I'll talk about the Spartans. This is coming from a Classics course, so I r... | [] | [] | [
[],
[],
[]
] | ||
3d4l65 | why is heating for homes standard but cooling isn't? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3d4l65/eli5_why_is_heating_for_homes_standard_but/ | {
"a_id": [
"ct1pbat"
],
"score": [
3
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"text": [
"That depends on the climate you live in.\n\nWhere I live both are standard on homes. In places where it never gets very hot then there's no point in installing an AC unit on a house, and the same goes for heating systems on homes in year-round no... | [] | [] | [
[]
] | ||
f573yd | Was the existence of the 'underground railroad' common knowledge? Was there a difference in awareness of it between the north and the south? How did it work? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/f573yd/was_the_existence_of_the_underground_railroad/ | {
"a_id": [
"fhxmoak"
],
"score": [
14
],
"text": [
"From the 1840s on, yes. While abolitionist white people had been helping black people escape the South for some time, the term \"underground railroad\" for this loose, informal network of people willing to help didn't exist until about that time... | [] | [] | [
[
"http://theliberatorfiles.com/wp-content/uploads/2015/10/The-Liberator-1842-10-14-Page-3.png",
"https://archive.org/details/cu31924095658005/page/44/mode/2up/search/tice",
"https://virginiachronicle.com/cgi-bin/virginia?a=d&d=AG18491031.1.2&e=-------en-20--1--txt-txIN-%22underground+railroad%2... | ||
1xm0rq | why is female toplessness considered nudity, when male toplessness is pretty much acceptable? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1xm0rq/eli5_why_is_female_toplessness_considered_nudity/ | {
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"cfcq6sj",
"cfcqbrd",
"cfcqfri",
"cfcqisk",
"cfcqs5j",
"c... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
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[
"http://en.m.wikipedia.org/wiki/Secondary_sex_characteristic"
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[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
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"http://www.boreme.com/posting.php?id=14855"
],
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[],
[],
[],
[],
[
... | ||
rn5ih | Besides being the tallest mountain on earth, is Everest also the highest topological point? | If you evened out the earths crust and placed each mountain side by side on a flat plane, would Everest still be the highest peak?
| askscience | http://www.reddit.com/r/askscience/comments/rn5ih/besides_being_the_tallest_mountain_on_earth_is/ | {
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5
],
"text": [
" > If you evened out the earths crust\n\nCan you say what you mean, exactly?",
"If I understand what you're asking correctly, [Mauna Kea](_URL_0_) is act... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Mauna_Kea"
],
[
"http://en.wikipedia.org/wiki/Mauna_Kea"
],
[
"https://en.wikipedia.org/wiki/Mount_Everest"
],
[
"http://www.johndcook.com/blog/2011/09/16/chimborazo-vs-everest/"
]
] | |
ajdjot | Is it possible to design a supersonic aircraft which doesn't produce sonic boom? | askscience | https://www.reddit.com/r/askscience/comments/ajdjot/is_it_possible_to_design_a_supersonic_aircraft/ | {
"a_id": [
"eeyf106"
],
"score": [
2
],
"text": [
"Not really no, if air is pushed to try to go faster than its speed of sound, then it will create a sonic boom and it's pretty much inevitable that a aircraft interacts with the atmosphere it is in accelerating some of the air to the speed of the ... | [] | [] | [
[]
] | ||
dxeonc | if making images larger decreases quality, why doesn’t the same go for sound? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dxeonc/eli5_if_making_images_larger_decreases_quality/ | {
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"score": [
16,
2,
2,
3
],
"text": [
"Increasing pixels is by definition increasing quality. Making an image larger by increasing the size of the pixels is what decreases the perceived quality.\n\nAnd sound is nothing... | [] | [] | [
[],
[],
[],
[]
] | |
2ui7u5 | how does google buy and renew domains for their main site? | I can't imagine someone from Google typing their credit card info in to buy `google. < tld > ` for the newest country that's been added. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ui7u5/eli5_how_does_google_buy_and_renew_domains_for/ | {
"a_id": [
"co8mjo6"
],
"score": [
3
],
"text": [
"It looks like Google uses _URL_0_ as their domain registrar. MarkMonitor is a \"brand protection\" oriented domain registration service. And, I'm pretty sure, they write a check.\n"
]
} | [] | [] | [
[
"MarkMonitor.com"
]
] | |
7cjaea | Why is our current understanding of gravity unable to explain the rotational speed of galaxies without adding unseen mass (via dark matter) to the equation? | I have read that the the stars moving on the outside of galaxies would fly out of orbit at their speeds. Why is gravity not considered strong enough to keep them in orbit? | askscience | https://www.reddit.com/r/askscience/comments/7cjaea/why_is_our_current_understanding_of_gravity/ | {
"a_id": [
"dpqecip",
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"score": [
19,
4
],
"text": [
"An orbit is a balance between an object's inertia carrying it outward and gravity pulling it in. If an object is moving fast enough, its inertia will carry it outwards fast enough that the cumulative effect of its parent bo... | [] | [] | [
[],
[
"https://www.reddit.com/r/space/comments/6488wb/i_dont_want_to_be_anti_science_but_i_am_doubtful/"
]
] | |
1bqlhv | google chrome is dropping support for webkit and adding support for blink. what does this mean and how will it affect me? | _URL_0_
EDIT: It appears I've forgotten to add ELI5 to the title. I don't want to resubmit and get tagged for spam. So I'll just leave it. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1bqlhv/google_chrome_is_dropping_support_for_webkit_and/ | {
"a_id": [
"c993eei"
],
"score": [
3
],
"text": [
"WebKit and Blink are rendering engines. They are responsible for interpreting the HTML code of a website (which describes its layout and content), and transforming it into the page you see in front of you.\n\nGoogle have decided to \"fork\" WebKi... | [] | [
"http://mobile.theverge.com/2013/4/5/4186302/google-chrome-blink-coming-to-chrome-28-in-10-weeks"
] | [
[]
] | |
2ik69e | Tuesday Trivia | Fascinating Family History | [Previous weeks' Tuesday Trivias and the complete upcoming schedule.](_URL_0_)
Happy Family History Month! **Tell us something cool from your family history!** Grandpa’s war stories, Grandma’s secret recipes, mysterious inscriptions in Family Bibles, are you related to Catherine the Great? Our no-anecdotes rule flies... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2ik69e/tuesday_trivia_fascinating_family_history/ | {
"a_id": [
"cl2tohh",
"cl2ty0a",
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"cl310i5",
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"cl3c5fb",
"cl3ggzq",
"cl3kk2t",
"cl3lrg4",
"cl3qqgk"
],
... | [] | [
"http://www.reddit.com/r/AskHistorians/wiki/features/trivia"
] | [
[],
[
"http://imgur.com/vctWSQm,iPIUfu2,INS0xjs#0",
"http://imgur.com/vctWSQm,iPIUfu2,INS0xjs#1",
"http://www.awm.gov.au/people/rolls/R1657725/",
"http://imgur.com/vctWSQm,iPIUfu2,INS0xjs#2"
],
[],
[
"http://www.usgwarchives.net/ga/bibb/photos/tombstones/rosehill/jones2953nph.jpg",
"... | |
2ret8i | how do songwriter and musicians ensure that their new creations are unique and not a ripoff? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ret8i/eli5_how_do_songwriter_and_musicians_ensure_that/ | {
"a_id": [
"cnf7451",
"cnfgk61"
],
"score": [
3,
2
],
"text": [
"If you write the lyrics they will likely be original - it's hard to \"forget\" that you heard a full poem somewhere before. Melodies are a bit harder. You're unlikely to reproduce one that's exactly the same, but it might be... | [] | [] | [
[],
[]
] | ||
6n1q96 | How do blood/plasma recipients not get serious viral infections? | If a patient receives whole blood or plasma from a donor, wouldn't viruses like chicken pox, influenza, or even HSV be transmissible via the serum? Even if the original donor has acquired immunity, the recipient's adaptive immune system is not producing T-Cells with the proper antigen receptors. Since many blood/plasma... | askscience | https://www.reddit.com/r/askscience/comments/6n1q96/how_do_bloodplasma_recipients_not_get_serious/ | {
"a_id": [
"dk6bkno",
"dk6mx59"
],
"score": [
14,
2
],
"text": [
"They can, and do. \nDuring the eighties, there were scandals across US and Europe where blood recipients where given blood from HIV+ donors, contracting the disease and dying. This often happened to haemophiliacs as they n... | [] | [] | [
[],
[]
] | |
n8mkx | Why is the moon completely gray? If it got ripped from earth by some collision, shouldn't it have more color to it? | All planets and moons in the solar system have some color, except the ice covered ones, afaik. Why is our moon in monochrome?
| askscience | http://www.reddit.com/r/askscience/comments/n8mkx/why_is_the_moon_completely_gray_if_it_got_ripped/ | {
"a_id": [
"c375fwq",
"c375i2e",
"c375y3h",
"c375fwq",
"c375i2e",
"c375y3h"
],
"score": [
22,
32,
3,
22,
32,
3
],
"text": [
"It's all gray because it's made up of a very distinct type of rock. Specifically anorthosite (in the whiter regions) and basalt (in ... | [] | [] | [
[],
[
"http://mail.ab.mec.edu/~mdoiron/010B7EF2-000F6E99.2/basalt.jpg",
"http://www.geokem.com/images/nasa/Anorthosite-A16.jpg"
],
[
"http://astrosurf.com/buil/gallery/conjonction/img.htm"
],
[],
[
"http://mail.ab.mec.edu/~mdoiron/010B7EF2-000F6E99.2/basalt.jpg",
"http://www.geokem.c... | |
1hl94t | why is everyone mad at the us government over the nsa scandal, but not the companies like google and facebook, verizon, etc. for allowing the government to use their information? especially when companies such as these, especially google, usually promote internet freedom and privacy? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1hl94t/eli5_why_is_everyone_mad_at_the_us_government/ | {
"a_id": [
"cavepot",
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"cavsagq",
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"score": [
23,
5,
37,
2,
2,
2
],
"text": [
"Because government is court-ordering these companies to comply. They don't have a choice.",
"I have a follow up question. \n\nGoog... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | ||
1p8e51 | why do car windows get covered in ice and not the body panels? | Here in the midwest in the morning in the winters there is usually a layer of thick ice and or frost over the widows, but not so much over the body panels. ELI5? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1p8e51/eli5_why_do_car_windows_get_covered_in_ice_and/ | {
"a_id": [
"cd02jsq",
"cd0ftqb"
],
"score": [
2,
2
],
"text": [
"I think that more of the reason is because metal is more conductive for heat meaning that it heats up much faster than if the same amount of sun energy is aimed at the windows. Much of the energy focused at the windows will ... | [] | [] | [
[],
[]
] | |
3wnira | what are lasik and lasek surgeries? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3wnira/eli5_what_are_lasik_and_lasek_surgeries/ | {
"a_id": [
"cxxidcj"
],
"score": [
3
],
"text": [
"They are subtly different surgeries to correct for irregular vision - the difference lies in the execution of the surgery and techniques used, but the overall goal to correct vision is the same. Some people that might not be good candidates for ... | [] | [] | [
[]
] |
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