q_id stringlengths 5 6 | title stringlengths 3 301 | selftext stringlengths 0 39.2k | document stringclasses 1
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1yzl36 | i know this has been asked before, but i still can't wrap my head around it. minimum wage. | [This](_URL_0_) article states that if minimum wage had kept up with inflation, it should be roughly $20 an hour.
[This](_URL_1_) says a minimum wage hike would destroy jobs.
So, my question is this. If minimum wage had kept up with inflation, would small business owners even have a business in the first place? Or ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1yzl36/eli5_i_know_this_has_been_asked_before_but_i/ | {
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" > had kept up with inflation\n\nNo... The study says that minimum wage would be $20/h if it had kept up with an increase in *GDP*, not inflation.\n\nMinimum wage is based on the market value of unski... | [] | [
"http://www.huffingtonpost.com/2013/02/13/minimum-wage-productivity_n_2680639.html",
"http://www.forbes.com/sites/realspin/2013/04/17/the-record-is-clear-minimum-wage-hikes-destroy-jobs/",
"http://www.epi.org/publication/lagging-minimum-wage-reason-americans-wages/"
] | [
[],
[],
[]
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1exukz | up arrow notation like in graham's number. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1exukz/eli5_up_arrow_notation_like_in_grahams_number/ | {
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"It's a way of describing very big numbers using repeated exponentiation.\n\naβb is the same as writing a^b. 4β3 = 4^3 = 64.\n\nNow it gets complicated. aββb is the same as writing aβ(aβ(...aβ)) so that ... | [] | [] | [
[],
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"https://www.google.com/search?gs_rn=14&gs_ri=psy-ab&cp=10&gs_id=72&xhr=t&q=goldfish+crackers&bav=on.2,or.r_qf.&bvm=bv.47008514,d.cGE&biw=1650&bih=932&um=1&ie=UTF-8&hl=en&tbm=isch&source=og&sa=N&tab=wi&ei=WvSeUanmJM7kiwKXy4G4Bg"
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... | ||
7p9j30 | How did the British manage to mindbogglingly administer all the 500+ Princely States in India? What laws applied in these territories? | I have read that there were more than 500+ princely states during the independance of India and Pakistan.
I have the following questions:
1) How did the British manage **SO MANY** different entities without fainting? It must have caused the top person in charge, like the Prime Minister extreme mental anguish trying... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7p9j30/how_did_the_british_manage_to_mindbogglingly/ | {
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"text": [
"I will try to answer each of your question.\n\n#Question 1\n\n* Most princely 'states' were states only in name. A city or a few clusture of villages was often what constituted a 'princely state' in many cases. So the 500 number is not actually a... | [] | [] | [
[]
] | |
53945t | Do black holes accelerate matter to light speed? | Does matter ever become gravitationally accelerated to c? | askscience | https://www.reddit.com/r/askscience/comments/53945t/do_black_holes_accelerate_matter_to_light_speed/ | {
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"No. Massive objects always move slower than light. Also, talking about relative speed on objects that aren't in the same place doesn't generally make sense in general relativity. Usually it's not too bad, but black holes are kind of extreme. But ... | [] | [] | [
[]
] | |
3am0f5 | why are car colors so dull? | Very rarely do you see bright reds and blues on cars. Why is it that cars are mainly fifty shades of gray? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3am0f5/eli5_why_are_car_colors_so_dull/ | {
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"Neutral colors are going to appeal to the widest audience. Bright col... | [] | [] | [
[],
[],
[],
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"http://www.cyclechaos.com/images/thumb/9/9f/1990-Honda-VFR750R-RC30-Red-White-Blue-8776-1.jpg/640px-1990-Honda-VFR750R-RC30-Red-White-Blue-8776-1.jpg",
"http://www.dieselstation.com/pics/suzuki-gsx-r1000-bike-pics.jpg",
"http://performancefactory.in/pfblog/wp... | |
6dzdsc | How did painters react to the invention of photography? Did they oppose it or did they embrace it as an emerging art? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6dzdsc/how_did_painters_react_to_the_invention_of/ | {
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"text": [
"Follow-up question: Did the increasing quality and affordability of photography in the late 1800s help popularize Impressionism, since it purposefully didn't attempt to realis... | [] | [] | [
[],
[
"http://www.poetrymagazines.org.uk/magazine/record.asp?id=9820"
],
[
"https://upload.wikimedia.org/wikipedia/commons/9/90/Camera_Lucida_in_use_drawing_small_figurine.jpg",
"https://upload.wikimedia.org/wikipedia/commons/f/f2/Jean-L%C3%A9on_G%C3%A9r%C3%B4me%2C_Hasaneyn_Camii_%C3%96n%C3%BCnde_... | ||
3wlky8 | why are asians discriminated against in college admissions, and how extensively are they put to a disadvantage? also, why are people okay with putting asians at a disadvantage, but not african-americans or hispanics? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3wlky8/eli5_why_are_asians_discriminated_against_in/ | {
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"text": [
"there are statistics that show that Asians generally test higher, so if there was no checks you'd have extremely high percentage of Asian students compared to other nationalities. They're not put too mu... | [] | [] | [
[],
[],
[]
] | ||
5vp2dc | how does something like the james webb space telescope cost $8 billion? | It's really hard to comprehend this amount of money and how it would be spent. Has any similar project released easy to understand details about how the money is spent?
Even saying something like "$50 million to build the mirrors" doesn't help me understand. That's less than 0.7% of the total, but I still think "wow, ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5vp2dc/eli5_how_does_something_like_the_james_webb_space/ | {
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"text": [
"Who made it? A huge team of NASA engineers working for years and years to develop technology never seen before. These are real smart dudes who don't work for chump change. ",
"It will be lifted t... | [] | [] | [
[],
[],
[]
] | |
3vmvdm | How long is a nuclear ground zero uninhabitable? | If a nuclear bomb at current power levels (20 megaton or more I think) were to ground-detonate, how long would it take before the ground zero of the explosion's nuclear fallout/radioactivity decreased enough for humans to re-inhabit the area without any significant health risks?
As a follow up, would a ground nuclear ... | askscience | https://www.reddit.com/r/askscience/comments/3vmvdm/how_long_is_a_nuclear_ground_zero_uninhabitable/ | {
"a_id": [
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"text": [
"Standard thermonuclear weapons have a fallout that will typically degrade to habitable levels within 6-18 months. \n\nA ground detonation would produce a more severely affected local area of irradiation whereas an air burst would ultimately cove... | [] | [] | [
[]
] | |
4e7lzr | How did people do their taxes before computers were invented? | [deleted] | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4e7lzr/how_did_people_do_their_taxes_before_computers/ | {
"a_id": [
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"text": [
"No scholarly links or background here but a first hand account of someone that was around in the bad old days of tax before computerized submission. \n\nYou got a form, you filled it in. There were instruction booklets of... | [] | [] | [
[],
[]
] | |
40awj7 | if evolution promotes survival, why do living things die naturally | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/40awj7/eli5_if_evolution_promotes_survival_why_do_living/ | {
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"Evolution promotes survival of the species, not of individual organisms. \n\nIf anything, a species being immortal would be an evolutionary disadvantage as you are guaranteed to run into overpopulation ... | [] | [] | [
[],
[],
[]
] | ||
2pfdxq | how does my dog have a habitual schedule daily but doesn't understand time? everyday he knows when his dinner should be made by messing with his bowl or making noises around 5 o'clock. but can't tell the difference between 3 days or 3 hours? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2pfdxq/eli5_how_does_my_dog_have_a_habitual_schedule/ | {
"a_id": [
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"score": [
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7,
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"text": [
"How do you know that he can't tell the difference between 3 days or 3 hours?",
"Just as animals in the wild having sleeping, eating, and mating schedules, so does your dog. He knows about the time h... | [] | [] | [
[],
[],
[]
] | ||
1k2w30 | differnt blood types and their impact. | Do certain blood types affect our overall well-being?
Or perhaps it means we're more likely to be affected by some medications ? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1k2w30/eli5differnt_blood_types_and_their_impact/ | {
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"text": [
"Human blood falls into the catgories of A, B, AB, and O depending on the presence of certain markers on the red blood cells known as antigens. These antigens allow the body to recognize and distinguish its own cells form foreign red blood cells ... | [] | [] | [
[]
] | |
20k1d6 | What was the extent of the Scots-Irish influence on the Blues? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/20k1d6/what_was_the_extent_of_the_scotsirish_influence/ | {
"a_id": [
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"text": [
"I'm not certain that this is what you're looking for, but if you're referring to the type of blues that originated in the Mississippi River area (Delta, Chicago, etc.), they were at least minimally influenced by what's called \"old time\" music. ... | [] | [] | [
[]
] | ||
4bzur0 | What prevents a chimera's immune system from rejecting organs that developed from the other cell? | What prevents a chimera's immune system from rejecting organs that developed from the other cell? Is it simply that any chimeras that are _too_ genetically distinct don't form viable embryos, or does the immune system acclimate? | askscience | https://www.reddit.com/r/askscience/comments/4bzur0/what_prevents_a_chimeras_immune_system_from/ | {
"a_id": [
"d1eddfb"
],
"score": [
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"text": [
"I'll refer you to [an earlier comment](_URL_0_) on this same topic, because I think the explanation is smashing.\n\nI'd also like to emphasize looking further into the role of regulatory T-cells if this kind of research is of interest to you, bec... | [] | [] | [
[
"https://www.reddit.com/r/askscience/comments/17qcw4/why_doesnt_the_immune_system_of_a_chimera_animal/c87x13s",
"https://www.reddit.com/r/askscience/comments/17qcw4/"
]
] | |
akcmb6 | What causes the opposite effects of size < -- > speed in gel-electrophoresis and size exclusion chromatography? | So i tried answering this with a google search but i didn't really find an answer that compares the two methods in regards to the aspect i'm confused by:
So as far as i understand it, both separation methods use a porous gel to separate molecules by their size.
The explanation for the SEC that i found is, that larger... | askscience | https://www.reddit.com/r/askscience/comments/akcmb6/what_causes_the_opposite_effects_of_sizespeed_in/ | {
"a_id": [
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"text": [
"Watch these quick animations - should clear things up...\n\n(Pulsed-field) Gel electrophoresis (PFGE): \n[_URL_0_](_URL_0_)\n\n & #x200B;\n\nSize exclusion chromatography (SEC): \n[_URL_1_](_URL_1_)\n\n & #x200B;\n\nIn gel electrophoresis you'r... | [] | [] | [
[
"https://www.youtube.com/watch?v=-EqwWACfYXI",
"https://www.youtube.com/watch?v=oV5VB5kO3tQ"
]
] | |
8v0ggh | How much of "the final solution" did German citizens and soldiers know about? | It is obvious much of his rhetoric was rooted in blaming the jews for everything. But how many Nazi party supporters and soldiers knew he was attempting to literally murder every man, woman, and child?
I have ao many questions I wanna pack in and go on tangents but I'll stick to this one. We think of Nazi as unanimous... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/8v0ggh/how_much_of_the_final_solution_did_german/ | {
"a_id": [
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"text": [
"**Part 1**\n\n > Most of them were just soldiers fighting a war they didnt wanna be in, right?\n\nNot really. It's a fair assertion to say that virtually all Wehrmacht soldiers were aware of the atrocities that were committed, participated on s... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/5qhz7o/ama_the_german_armys_role_in_the_holocaust/dczdhhm/",
"https://www.reddit.com/r/AskHistorians/comments/3xc03h/just_how_much_of_the_wehrmacht_was_dirty/",
"https://www.reddit.com/r/AskHistorians/comments/4r8pzp/how_often_did_the_regular_german_arm... | |
21spmo | What motivated the kamikaze? | My focus is not Asian history but I'm taking a course about wars in Asia. I've always heard that the kamikaze pilots were glad to give up their lives for Japan and the emperor. However, I've recently read that when the attacks began, even the Japanese commanders thought that defeat was inevitable. Why did these young m... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/21spmo/what_motivated_the_kamikaze/ | {
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"text": [
"By 1944 when kamikaze planes began to be used the Japanese defence ring had fallen apart and the Japanese began to understand that the only way out of the war was to inflict as many casualties upon the Americans as possible, in vain hope that the... | [] | [] | [
[]
] | |
ceo4fe | During WW2, were prisoners sent to war or did they continue their sentence? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/ceo4fe/during_ww2_were_prisoners_sent_to_war_or_did_they/ | {
"a_id": [
"eu4ta3z"
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"score": [
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"text": [
"Not to discourage further responses, but I answered a question some time ago [here](_URL_0_) that I'll repost below."
]
} | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/86op8w/were_criminals_allowed_to_be_part_of_the_us_army/"
]
] | ||
k3v2l | Research questions regarding historic US census data | I'm trying to put together a socio-economic sketch of a small MI county in the 1960s and Tennessee in the 1930s but I'm having difficulty locating useful data on the census site. Does anyone know of any tools that can search historic census data for ethnic, economic, and/or social information? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/k3v2l/research_questions_regarding_historic_us_census/ | {
"a_id": [
"c2hazvw",
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"score": [
4,
4
],
"text": [
"Here's tip - call them. \n\nOn three separate occasions, I have had to call the Census Bureau for information and on each occasion they have been incredibly helpful. I can say the same thing about the DOE. \n\nIt almost make... | [] | [] | [
[],
[]
] | |
15r7ou | How close is the Earth right now in its orbit as it was exactly one year ago? (In relation to the Sun) | askscience | http://www.reddit.com/r/askscience/comments/15r7ou/how_close_is_the_earth_right_now_in_its_orbit_as/ | {
"a_id": [
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"score": [
7,
3
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"text": [
"(Assuming that by \"year,\" you mean at midnight on 12/31 last year).\n\nWell, the period that it takes Earth to orbit the sun is about 365.2564 days; since this was a leap year, this is a difference of about .7436 days. So ... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Apsidal_precession",
"http://en.wikipedia.org/wiki/Orbital_eccentricity#Examples"
]
] | ||
3h7g0h | What are some good books regarding the transfer of Hong Kong? | As title, but with a focus on the negotiations and the Sino-British Joint Declaration in 1984.
Also welcome: What's the general Historiographical thought around this event? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3h7g0h/what_are_some_good_books_regarding_the_transfer/ | {
"a_id": [
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"text": [
"Not a historian, but I did some historical economic analysis of Hong Kong under the British. I found these to be some useful sources. Not all of them cover modern history, but they're all comprehensive. \n\n* A DOCUMENTARY HISTORY OF HONG KONG, G... | [] | [] | [
[
"https://books.google.com/books?id=fQofAAAAQBAJ&dq=economic+history+of+british+hong+kong",
"http://afe.easia.columbia.edu/ps/china/nanjing.pdf"
]
] | |
6ew0w1 | How do birds know to make nests? Is it purely instinctual or is it taught? | I was watching a gull collect moss for its nest earlier today and began to wonder how they know how to construct their nest. I have seen many birds building their nests but I haven't seen any birds teaching their young. This behaviour seems to be from instinct, but surely this is too complex to be just an instinct. | askscience | https://www.reddit.com/r/askscience/comments/6ew0w1/how_do_birds_know_to_make_nests_is_it_purely/ | {
"a_id": [
"didwua6"
],
"score": [
15
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"text": [
"It's both instinctive and learned, as with many complex behaviors. There's a review paper here, which is open-access and worth the read:\n\n > It is possible that a bird comes into the world with a template that provides the basic information a... | [] | [] | [
[
"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4986315/",
"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4043081/",
"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4822453/",
"http://www.cell.com/current-biology/fulltext/S0960-9822\\(08\\)00066-3"
]
] | |
569298 | On average, how religious were the American founders, compared to average Americans? | I don't know how "founding fathers" usually gets defined... members of the Continental Congress? Signers of the Declaration of Independence? I also realize that religiosity is a complicated beast, too--behavioral religiosity? Acceptance of values? Personal belief?--but I'm hoping someone somewhere has taken the plunge,... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/569298/on_average_how_religious_were_the_american/ | {
"a_id": [
"d8ie834"
],
"score": [
3
],
"text": [
"They were clearly courting liberal positions for their era. They were far more educated the the average American so had ethical outlooks beyond religious books.\n\nThe concept of 'Life, Liberty and the pursuit of Happiness' simply flew in the fac... | [] | [] | [
[]
] | |
9oraac | how are we able to make decisions if everything follows the laws of physics | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9oraac/eli5_how_are_we_able_to_make_decisions_if/ | {
"a_id": [
"e7w3eri"
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"text": [
"The idea of free will is sort of up for debate in my mind. If our thoughts, and therefore our decisions, are nothing but complex chemical signals in the brain, then they were predetermined by the thoughts that came before them, and before those, ... | [] | [] | [
[]
] | ||
9wvjib | why would there be a primary within the same party of the incumbent president seeking a 2nd term? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9wvjib/eli5_why_would_there_be_a_primary_within_the_same/ | {
"a_id": [
"e9nlzsy"
],
"score": [
2
],
"text": [
"Cause maybe the party doesn't want the incumbent again or believes someone else has a better shot of winning."
]
} | [] | [] | [
[]
] | ||
e1c9gb | Looking for some advice pertaining to teaching the Armenian Genocide. | I tutor a Turkish girl and I was hoping to get some advice/resources that would help me with a recent question on her history homework.
The question asked βWhy were hundreds of thousands of Armenians killed or driven from their homes by the Turks?β
She replied βBecause Russia deceived Armenians with the dream of Ar... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/e1c9gb/looking_for_some_advice_pertaining_to_teaching/ | {
"a_id": [
"f8ozul9"
],
"score": [
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"text": [
"As far as resources go, although it is a work in progress, a revamping of the WWI section of the booklist has been in the works recently, and the following are suggestions made by /u/yodatsracist and I which will at some point in the future be i... | [] | [] | [
[]
] | |
2014uo | How did people deal with mold on food before refrigerators in different time periods?? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2014uo/how_did_people_deal_with_mold_on_food_before/ | {
"a_id": [
"cfyvck4"
],
"score": [
7
],
"text": [
"First of all, while the refrigerator certainly did help, people used other means to cool food and keep food stored for long times. Ice coolers, where you would keep a block of ice in sawdust and have it replaced as it slowly thawed created cool s... | [] | [] | [
[
"http://veckanshus.stjernvall.se/wp-content/uploads/2010/02/jordkallare1.jpg"
]
] | ||
1avv6e | What was the transition like from the Hapsburgs to the Bourbons in Spain? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1avv6e/what_was_the_transition_like_from_the_hapsburgs/ | {
"a_id": [
"c91ac6m"
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"score": [
9
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"text": [
"In what sense? The actual transition between ruling dynasties was bloody and very messy: the War of Spanish Succession was fought between the major powers of Europe over whether a Bourbon - and, more importantly, Louis XIV's grandson - should be ... | [] | [] | [
[]
] | ||
1ntjsf | Is Neil Armstrong's first foot print still on the Moon or have forces and events removed it? | I have written a blog post about this for my site below which gives my uneducated understanding, but would love to hear fellow Redditors views.
_URL_0_ | askscience | http://www.reddit.com/r/askscience/comments/1ntjsf/is_neil_armstrongs_first_foot_print_still_on_the/ | {
"a_id": [
"cclwc0h",
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"score": [
25,
78,
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],
"text": [
"A quick google search showed me a Straight Dope forum discussing the matter. (_URL_0_) It also had a bunch of links in the discussion pointing to other pages.\n\nSeems like it's possible that the firs... | [] | [
"http://www.magnifiscience.com/blogs/news/9434519-is-neil-armstrongs-footprint-still-on-the-moon"
] | [
[
"http://boards.straightdope.com/sdmb/showthread.php?t=127681"
],
[
"http://upload.wikimedia.org/wikipedia/commons/1/19/Apollo11-LRO-March2012.jpg"
],
[]
] | |
3vcta7 | who invented the thumbs up compliment? and how long has it been around? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3vcta7/eli5who_invented_the_thumbs_up_compliment_and_how/ | {
"a_id": [
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"text": [
"One popular explanation is that during the height of the Roman empire, Gladiators would turn to the guests of honor on whether or whether not to kill their opponents or beasts.\n\n The thumbs-up, or thumbs-down would symbolize the weapon coming d... | [] | [] | [
[]
] | ||
2eld50 | If the fluoride in toothpaste helps teeth by contact, how does the fluoride in water help if it only briefly comes in contact? | askscience | http://www.reddit.com/r/askscience/comments/2eld50/if_the_fluoride_in_toothpaste_helps_teeth_by/ | {
"a_id": [
"ck0n3sv",
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"text": [
"The fluoride in water is incorporated into the developing teeth of children and makes the enamel stronger and more resistant to decay. The fluoride in toothpaste works on contact to help remineralize weak areas.",
"It ge... | [] | [] | [
[],
[]
] | ||
3uiv7o | why do credit cards give airline miles? | As opposed to some other benefit? Airline miles seems like an oddly specific item to benefit; are they trying to promote international travel for some reason or? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3uiv7o/eli5_why_do_credit_cards_give_airline_miles/ | {
"a_id": [
"cxf7hhu",
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"score": [
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"text": [
"You don't have to use AirMiles or whatever reward points on just air travel. You can often use them for car rentals, hotel stays, electronics you name it. Or if you have AirMiles but want some other rew... | [] | [] | [
[
"points.com"
],
[],
[]
] | |
c1dxi2 | how do doorbells work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/c1dxi2/eli5_how_do_doorbells_work/ | {
"a_id": [
"ercjuyg"
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"score": [
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"text": [
"So traditional wired doorbells are normally simply a complete wired circuit involving:\n- a bell\n- a transformer to lower the voltage so that if the button gets compromised people wonβt get a high voltage shock by pressing the button\n- a button... | [] | [] | [
[]
] | ||
9chju4 | Monday Methods: History Pedagogy (The Theory and Practice of Teaching and Learning) | I should preface our conversation about pedagogy by divulging that I am an academic in the US teaching in-person classes at the university level. Any omissions on my part are opportunities for discussion.
**Historians in the Classroom**
Historians are both ahead of and behind the pedagogical times. A standard introd... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/9chju4/monday_methods_history_pedagogy_the_theory_and/ | {
"a_id": [
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"text": [
"Great work!\n\nI particularly appreciate the section on the obsession with \"coverage.\" Too many times have I seen educators at both HS and collegiate level get obsessed with teaching it all (as if possible).\n\nI always s... | [] | [
"https://www.historians.org/publications-and-directories/perspectives-on-history/october-2012/clios-charm-holding-fast",
"https://www.historians.org/publications-and-directories/perspectives-on-history/september-2011/decline-of-the-west-or-the-rise-of-the-rest",
"http://www.americanyawp.com",
"https://www.his... | [
[],
[]
] | |
4d4xie | are there any disorders that involve an altered perception of the rate of time? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4d4xie/eli5_are_there_any_disorders_that_involve_an/ | {
"a_id": [
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"text": [
"[This might interest you.](_URL_0_)\n\nI know at the least some disorders cause you to \"lose\" time in the sense that you blacked out and can't remember what you did.\n\nI'm just adding useless text to my comment here because for some reason thi... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Time_perception#Kappa_effect"
]
] | ||
16vv10 | how does a full cycle charge extend a lithium-ion batteries life? | Supposedly one should do a full cycle charge about once a month. What is going on inside the battery that makes this necessary? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/16vv10/eli5_how_does_a_full_cycle_charge_extend_a/ | {
"a_id": [
"c801gif"
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"score": [
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"text": [
"It's not required for the battery at all. \n\nYou know how the battery meter on your phone or whatever says 100% right when you take it off? And 57% sometime later? It needs to be calibrated to accurately determine from the battery (usually vi... | [] | [] | [
[]
] | |
2uoifg | Which interactions can explain that EtOH (Alcohol) has a way lower freezing point than H2O? | Just wondering. I can explain for the higher boiling point because of the inter-molecular H bonds but I don't understand how it works for the freezing point.
Sorry if I do some mistakes with my english.
Thanks in advance for the answers. | askscience | http://www.reddit.com/r/askscience/comments/2uoifg/which_interactions_can_explain_that_etoh_alcohol/ | {
"a_id": [
"cob9u1o"
],
"score": [
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"text": [
"The same exact processes apply. The way you should look at it when compared to the boiling point is seeing the freezing point as a melting point instead. \n\nJust like water has a higher boiling point than ethanol, it also has a higher melting po... | [] | [] | [
[]
] | |
sgohl | What's going to happen to the polar bears as the ice caps shrink? Evolution or extinction? | I watched a show recently describing how as the sea ice melts earlier, polar bears are going to be threatened because they won't have enough time to hunt enough seals to build up their fat stores for the summer months.
This made me wonder, as the earth warms further what will happen to polar bears? Will they simply... | askscience | http://www.reddit.com/r/askscience/comments/sgohl/whats_going_to_happen_to_the_polar_bears_as_the/ | {
"a_id": [
"c4dwfyn"
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"score": [
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"text": [
"Well extinction is a distinct possibility as a loss of sea ice results in very large evolutionary hurdles. On the other hand with less ice and snow, selection pressures favour darker bears, and as they can interbreed with grizzlies its possible t... | [] | [] | [
[]
] | |
o7jgh | what is a scripting language? | What is a scripting language and how do scripting languages differ from other programming languages like Java? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/o7jgh/eli5_what_is_a_scripting_language/ | {
"a_id": [
"c3f0fl6",
"c3f0rau",
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"score": [
6,
5,
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"text": [
"A scripting language is a type of programming language, it's normally not compiled before being run and normally is created or modified by end-users. It also normally is used to interact with other app... | [] | [] | [
[],
[],
[]
] | |
16sbc6 | If some tectonic plates are subducting under one another, is it possible for a whole landmass to be forced underneath when it reaches the boundary? | What would happen, whole countries disappear and such or are there no plates where countries are in danger? Obviously this would take thousands or millions of years, but is it as inevitable as the sun going supernova one day? | askscience | http://www.reddit.com/r/askscience/comments/16sbc6/if_some_tectonic_plates_are_subducting_under_one/ | {
"a_id": [
"c7yz1w6",
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"score": [
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3
],
"text": [
"Subduction zones feature oceanic plates (usually old and cold oceanic plates) sinking into the mantle. I say \"sinking\" because that is literally what is going on. Oceanic plates are high density, especially when they are... | [] | [] | [
[],
[]
] | |
pnerw | What sort of building materials might we fnd and utelize on mars? | Every time I see an artist depiction of a human outpost on mars it's a white inflated dome or steel box of some sort. My understanding is that material is profoundly expensive to get to mars. So, what sorts of materials might we find there to work with? Would a martian-mud building be air tight and weather storms? May... | askscience | http://www.reddit.com/r/askscience/comments/pnerw/what_sort_of_building_materials_might_we_fnd_and/ | {
"a_id": [
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"score": [
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"text": [
"The first intended use of *in situ* resources will be using water on Mars for human consumption and breathable air, along with separating the hydrogen and oxygen for fuel. For habitation we will start with units sent from Earth and use local mate... | [] | [] | [
[
"http://www.lpi.usra.edu/lunar_resources/documents/13_0IntegratedISRUPresenta.pdf"
]
] | |
19t2qo | Looking for European history books written by non-Westerners. What's a good place to start? | A few months ago, I read Ivan Morris' *The World of the Shining Prince*, and I've read a few other European historians' accounts of foreign cultures. However, I've never read how European history appears to a Japanese historian, for instance. Any European history I've read has been through the eyes of European or Ameri... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/19t2qo/looking_for_european_history_books_written_by/ | {
"a_id": [
"c8r9fqo",
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"score": [
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5
],
"text": [
"This isn't exactly what you are looking for, but your question reminded me of the [Chinese fascination with Jews](_URL_0_). It is very interesting to see how an entirely foreign culture view a culture that is more familiar t... | [] | [] | [
[
"http://www.foreignpolicydigest.org/explaining-china%E2%80%99s-fascination-with-jews/"
],
[]
] | |
1bx7on | What makes certain stainless steels non-magnetic? | For example, 304 stainless steel is non-magnetic (or at least mildly magnetic). What is occurring on a molecular or grain boundary level that causes alloying elements to have this effect? | askscience | http://www.reddit.com/r/askscience/comments/1bx7on/what_makes_certain_stainless_steels_nonmagnetic/ | {
"a_id": [
"c9ax6kc",
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"score": [
2,
3,
7
],
"text": [
"Actually certain stainless varieties are magnetic. With iron and actually certain stainless steels all the iron atoms are lined up together in the same direction adding to the overall magnetism of the s... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Stainless_steel#Properties"
],
[
"http://upload.wikimedia.org/wikipedia/commons/thumb/a/aa/IronAlfa%26IronGamma.svg/220px-IronAlfa%26IronGamma.svg.png"
]
] | |
6rzu13 | Can a Neutron star and a black hole be in the same star system? | I was always interested in astronomy, and ever since I heard of neutron stars they were interesting for me.
And I always thought oft he coexistence of black holes and neutron stars. | askscience | https://www.reddit.com/r/askscience/comments/6rzu13/can_a_neutron_star_and_a_black_hole_be_in_the/ | {
"a_id": [
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"score": [
14,
3
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"text": [
"It is possible, but none have been detected.",
"Although they haven't been directly detected, they almost surely exist in nature. For Advanced LIGO, the expected detection rates of BH-BH, BH-NS, and BH-BH are all of sim... | [] | [] | [
[],
[
"https://www.youtube.com/watch?v=6g807FFZYqM"
]
] | |
f5sqvd | how are cancer and tumors related? does one cause another? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f5sqvd/eli5_how_are_cancer_and_tumors_related_does_one/ | {
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"text": [
"Cancers are a type of aggressive tumor. While tumors themselves are overgrowths of cells , they are not always dangerous. Tumors are just byproducts of uninstructed cells. Cancers... | [] | [] | [
[],
[],
[],
[]
] | ||
2gzjyd | why does metal shrink & water expand when they turn from a liquid to a solid? | I work in a foundry were we pour Carbon & Stainless steel into large molds, to form a casting. On that casting are what we call "risers". They hold extra metal for the casting to draw from as it shrinks. Water on the other hand, expands when turning into a solid (everyone knows that so i figured a explenation isn't ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2gzjyd/eli5_why_does_metal_shrink_water_expand_when_they/ | {
"a_id": [
"cknxfs9",
"ckny0wk"
],
"score": [
2,
7
],
"text": [
"Water is special. No other liquid does that when you freeze it, I dont think. Its due to hydrogen bonds and the shape of the molecule.",
"Water molecules stick together through hydrogen bonding. In a liquid state, there... | [] | [] | [
[],
[
"http://www.elmhurst.edu/~chm/vchembook/images/122liqwater.JPEG",
"https://www.uwgb.edu/dutchs/Graphics-Geol/ROCKMIN/ATOM-STRUCT/IceItop.gif"
]
] | |
6ry6hz | how do micronutrients work? are they a good solution to malnutrition in poor countries? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6ry6hz/eli5_how_do_micronutrients_work_are_they_a_good/ | {
"a_id": [
"dl8lt3g",
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"score": [
2,
3
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"text": [
"Micronutrients are things you only need small amounts of lime vitamins and minerals. What malnourished people need are macronutrients like fats and carbs.",
"Micronutrients refer to the nutritional value of a food, e.g. ... | [] | [] | [
[],
[]
] | ||
8585jk | Is it possible for a dark object to be moved by a bright enough flash of light? | askscience | https://www.reddit.com/r/askscience/comments/8585jk/is_it_possible_for_a_dark_object_to_be_moved_by_a/ | {
"a_id": [
"dvvyq89"
],
"score": [
11
],
"text": [
"Yes, light has momentum. When light hits an object and is absorbed or reflected, under conservation of momentum the object has to gain some small amount of momentum.\n\nsee also: \n\n- _URL_1_\n- _URL_0_\n"
]
} | [] | [] | [
[
"https://en.wikipedia.org/wiki/Breakthrough_Starshot",
"https://en.wikipedia.org/wiki/Solar_sail"
]
] | ||
bdfxng | Is there an object that floats on moving water but sinks otherwhise? | askscience | https://www.reddit.com/r/askscience/comments/bdfxng/is_there_an_object_that_floats_on_moving_water/ | {
"a_id": [
"ekxyzuw"
],
"score": [
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],
"text": [
"Sure, if you count floating as staying at some constant level in the water. The floating wouldn't be caused by only buoyancy, it has to be some combination of buoyancy and lift. \n\nYou can generate lift in water with hydrofoils."
]
} | [] | [] | [
[]
] | ||
19ja2w | - what exactly is the current relationship between the us and cuba, and why does it appear that the relations haven't changed much despite the end of the cold war? | To me it appears that the US is holding a grudge to a fleeting remnant of the 1960s, but is this actually true? If so, why? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/19ja2w/eli5_what_exactly_is_the_current_relationship/ | {
"a_id": [
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"text": [
"When Castro came to power, may Cubans fled to Florida, and harbored a deep seated hatred for Castro, one they handed down to their children and grandchildren. So now there is this huge community of rabid anti-Castro voters living in the biggest ... | [] | [] | [
[]
] | |
18tzhb | If you're stuck in a fire, is it a good idea or a bad one to douse yourself with water? | Say you don't have a fire blanket or anything else protective, would dousing yourself in water be a good solution for surviving (or at least surviving longer) in a fire? I'm thinking the water would help prevent you from being burned by being an extra layer of protection and help cool you through the evaporative coolin... | askscience | http://www.reddit.com/r/askscience/comments/18tzhb/if_youre_stuck_in_a_fire_is_it_a_good_idea_or_a/ | {
"a_id": [
"c8hypnf",
"c8i59e0"
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"score": [
38,
90
],
"text": [
"Yes. Water has a stupendous ability to absorb heat. While you're at it, soak a rag in water to breathe through. As choochy pointed out, the smoke is more deadly.",
"I'm not a scientist - so I'm not sure if I'll be welc... | [] | [] | [
[],
[
"http://www.youtube.com/watch?v=_A9NTgEJoss",
"http://static2.bigstockphoto.com/thumbs/2/5/8/large2/852836.jpg",
"http://www.canada.com/7795444.bin",
"http://lh5.ggpht.com/_WYjBARlQnps/TLy0Nb3zdDI/AAAAAAAAA64/vkR6Nf6esHc/FogPattern_thumb%5B2%5D.jpg?imgmax=800"
]
] | |
152vhb | when i call someone, why is the first ring always louder than subsequent rings? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/152vhb/eli5_when_i_call_someone_why_is_the_first_ring/ | {
"a_id": [
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"score": [
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"text": [
"This is probably due to sensory adaptation. When you experience something that triggers one of your senses multiple times in a row, the experience is less and less each time. This is also why you get used to smells."
]
} | [] | [] | [
[]
] | ||
2wv2re | Are there Babylonian or Sumerian myths that could have inspired the myth of Moses, like how there are for Noah's Ark? | Question was inspired after I saw [Did Moses exist and was there an exodus of people from Egypt corresponding to the story?](_URL_0_). Maybe it was adapted from earlier myths. Are there any similar? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2wv2re/are_there_babylonian_or_sumerian_myths_that_could/ | {
"a_id": [
"cp1r2tj"
],
"score": [
2
],
"text": [
"Sargon of Akkad was supposedly found in a basket in a Mesopotamian river. (Roux, *Ancient Iraq*)"
]
} | [] | [
"http://redd.it/2wswt4"
] | [
[]
] | |
4rcsqn | When did relations between Native Americans and white settler/travelers turn from friendly trade to violent outbursts? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4rcsqn/when_did_relations_between_native_americans_and/ | {
"a_id": [
"d5065ms"
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"text": [
"Hello there. Unfortunately we have had to remove your question as it looks like it may be a homework question. A couple of things to keep in mind about this: [Our rules](_URL_0_) DO permit people to ask for help with their homework, so long as th... | [] | [] | [
[
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"http://www.reddit.com/r/AskHistorians/comments/35pkem/askhistorians_homework_question_policy_rehash/",
"https://www.reddit.com/r/AskHistorians/wiki/theory#wiki_monday_methods.3A_finding_and_understanding_sources"
]
] | ||
8i9u97 | Help/suggestions on what books to read pertaining to ancient Syrian history. | Hello, I realize this may be a weird question because itβs not asking about a topic in particular but I hope itβs allowed. Iβm looking to learn more about the ancient history of what is now modern Syria, as in all thatβs within its current borders and I know/understand very well that kingdoms and empires stretched over... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/8i9u97/helpsuggestions_on_what_books_to_read_pertaining/ | {
"a_id": [
"dyqb0e3"
],
"score": [
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"text": [
"Caveat: I am most familiar with the history of Syria prior to the Achaemenid period, and my reading recommendations reflect that. \n\n# **HISTORICAL OVERVIEWS**\n\n*Ancient Syria: A Three Thousand Year History* by Trevor Bryce is a good first int... | [] | [] | [
[
"https://www.metmuseum.org/art/metpublications/Art_of_the_First_Cities_The_Third_Millennium_BC_from_the_Mediterranean_to_the_Indus",
"https://www.metmuseum.org/art/metpublications/beyond_babylon_art_trade_and_diplomacy_in_the_second_millenium_bc",
"https://www.youtube.com/watch?v=1IvYKZ0Jr7g"
]
] | |
1oh470 | why are certain eye colors almost none existent? (like purple) | I'm just curious who out there can tell me why some eye colors are rare or almost none existent. I understand that in many countries certain colors are rare (like blue eyes in China.) but how come nobody (except rare occasions) has purple or red iris'?
Thanks in advanced to the community. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1oh470/eli5_why_are_certain_eye_colors_almost_none/ | {
"a_id": [
"ccrvtip",
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"score": [
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2
],
"text": [
"Only time I have seen \"red\" is with albinos. You see red because of the complete absence of pigment which allows for a good reflection of their retina in the correct lighting conditions. This lack of pigment also means th... | [] | [] | [
[],
[
"http://www.google.com/search?hl=en&site=webhp&tbm=isch&q=natural+purple+eyes&revid=1704346694&sa=X&ei=ZbRcUrasEITAkQfa-4GgDA&ved=0CDkQ1QIoAA&dpr=2&biw=-1&bih=-1"
]
] | |
5t007x | Why were the religions in the British Isles so divided? | In this picture, the British Isles are shown to have 3 major religions. Why is Scotland Calvinist, and whereas Ireland remains Catholic and Britain is Anglican? I know that this map is just a rough approximation, but help would stil be appreciated! _URL_0_ | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5t007x/why_were_the_religions_in_the_british_isles_so/ | {
"a_id": [
"ddj7ztb"
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"score": [
9
],
"text": [
"Firstly, Scotland is in Britain. On the map, England is marked as Anglican (and Wales isn't marked at all, but then, from a legal standpoint Henry VIII had made Wales part of \"The Realm of England\")\n\nSecondly... why shouldn't they be differen... | [] | [
"http://4.bp.blogspot.com/_zBTrwnUSmNc/TBqLUikJi5I/AAAAAAAAHms/Fy9hdW4UC74/s1600/European+religions+map.GIF"
] | [
[]
] | |
1la8sy | Happy 2nd Birthday, AskHistorians! | This sub is now two years old. For me, thatβs surprisingβit seems so much older in some ways, and yet so young in others. Weβve gone from being a small start-up to arguably being the most active history discussion board on the entire internet. Weβve hosted AMAs from a range of professional scholars, including the Smith... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1la8sy/happy_2nd_birthday_askhistorians/ | {
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[],
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"http://www.reddit.com/r/AskHistorians/comments/1e84gu/why_did_cuba_go_with_the_soviet_union_when_they/c9xr5hv",
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[
"http://www.reddit.com/r/AskHistorians/comments/1fqjgy/what_is_henry... | |
4si67y | Why does something made of iron smell? | When you smell something, receptors in your nose are detecting particles in either gas or solid powder form, right?
Does this mean that something made of iron that smells, is continuously "vaporizing" into thin air? | askscience | https://www.reddit.com/r/askscience/comments/4si67y/why_does_something_made_of_iron_smell/ | {
"a_id": [
"d59zdu4"
],
"score": [
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"text": [
"Iron is constantly oxidizing with oxygen it comes into contact with. It is vaporizing, but very slowly. It's why rust happens, and why rust is much less dense than iron; some of it has turned to gas. \n\nAlmost the same thing happens with pennies... | [] | [] | [
[]
] | |
5jdxbg | what safety measures are on gas tanks to prevent them exploding when a car is on fire? | Over the past 6 months, I have seen two cars go up in flames. Both times, the tires exploded, and the whole car was engulfed in flames, but the gas tank never exploded.
What do car manufacturers do to prevent the tank from exploding? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5jdxbg/eli5_what_safety_measures_are_on_gas_tanks_to/ | {
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"They don't need to do anything. You need a certain proportions of gasoline to air mixture for an explosion and in spite of what you see in movies and video games, that composition is frequently not pres... | [] | [] | [
[],
[],
[
"Jalopnik.Com",
"http://jalopnik.com/why-cars-explode-into-fireballs-and-why-they-usually-do-560552028"
]
] | |
4iv5uy | When did the language of French become the majority language of France? | I recently came across a [blog](_URL_0_) which claims by 1880, only about 20% percent of people in France spoke French. How true is this? Are there any reliable statistics about this? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4iv5uy/when_did_the_language_of_french_become_the/ | {
"a_id": [
"d32d15c",
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"text": [
"I cant speak on the validity of the 20% comment , however, french became the language of France during the French Revoloution. Before French borders became much more realized during the end of the 18th century, France was co... | [] | [
"https://robertlindsay.wordpress.com/2011/08/27/in-1880-in-france/"
] | [
[],
[
"https://www.reddit.com/r/AskHistorians/comments/3w40zt/i_heard_somewhere_that_what_we_consider_french_is/",
"https://www.reddit.com/r/AskHistorians/comments/2dpcnh/did_southern_france_mainly_speak_occitain/"
]
] | |
3lseb1 | why does white bread crisp quicker compared to brown bread when toasted? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3lseb1/eli5_why_does_white_bread_crisp_quicker_compared/ | {
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"It's made mostly from white bleached flour and is generally lighter in both appearance (so the toasted bits show up better) and density than most brown breads. \n\nThe latter are generally coarser and heavier, and have more of the doesn't-burn-so... | [] | [] | [
[]
] | ||
4kdakc | my bird starts chirping when he hears other birds of completely different species. why? | My bird is a lovebird, and I live in Canada. If he hears robins, he'll start freaking out and chirping. Is it like he can here them, but its a different language? Or is it just triggering some response from him? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4kdakc/eli5_my_bird_starts_chirping_when_he_hears_other/ | {
"a_id": [
"d3e40wz"
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"score": [
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"text": [
"Birds can only have offspring with their own species, so recognizing your own species is done through the specific songs.\n\nBirds are also quite territorial, not just for nest building but also for general food and water resources in the area, s... | [] | [] | [
[]
] | |
7cgmfp | Why did camels never catch on as transport animals in the American West, as they did in almost every other desert/plains on earth? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7cgmfp/why_did_camels_never_catch_on_as_transport/ | {
"a_id": [
"dpq2her"
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"score": [
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"text": [
"Interestingly, both camelids and equines are native to North America - after having colonised Eurasia, both vanished from North America, most probably having been hunted to extinction after humans colonised the continent, roughly 8-10 000 years... | [] | [] | [
[
"https://www.smithsonianmag.com/history/whatever-happened-wild-camels-american-west-180956176/",
"Smithsonian.com",
"http://www.denverpost.com/2017/07/19/wild-horse-destruction-vote-passes/"
]
] | ||
8n8pi6 | how come some vendors require my debit card pin but others do not? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8n8pi6/eli5_how_come_some_vendors_require_my_debit_card/ | {
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"Your debit card has Visa (or another credit card company) backing it. Each transaction can be run as debit (processed by your bank directly, requires you... | [] | [] | [
[],
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2bvdmp | why do stores display fruit and vegetables outside where people could steal them? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2bvdmp/eli5why_do_stores_display_fruit_and_vegetables/ | {
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"Because people like to touch and feel their apples before buying them. That way you can check for freshness and bad spots. \n\nThe amount of food someone ca... | [] | [] | [
[],
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] | ||
79c1k8 | How do we know what is in the center of the Earth? | According to Google, the deepest anyone has ever gone is about ~7 miles below Earth's surface (James Cameron, Challenger Deep submarine)... Earth is 7917 miles in diameter... so the FARTHEST down we have observed, ever, is like 0.194% of the RADIUS of Earth, right? So the other 99+% is not observable by any current mea... | askscience | https://www.reddit.com/r/askscience/comments/79c1k8/how_do_we_know_what_is_in_the_center_of_the_earth/ | {
"a_id": [
"dp13su9",
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4
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"text": [
"One way is from looking at p and s waves that travel through the earth when there is an earthquake. Direct observations of things come from looking at light, which is just a wave. So looking at waves that travel through the... | [] | [] | [
[],
[]
] | |
2nhm78 | why do i need planning permission to build on land i already own? | If i already own the land, why can't i go ahead and build anything i want on it? How can it possibly be legal or even morally correct for the council to have the power to decide they don't like what i've built, evict me form my own land and destroy whatever i have built.. with no compensation?
Is this just a UK thing?... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2nhm78/eli5_why_do_i_need_planning_permission_to_build/ | {
"a_id": [
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"text": [
"So you've got this nice piece of land and you've spent your life saving building yourself the house of your dreams on it, then a company buys the piece of land next door to yours and builds an abattoir on it. This makes your property stink off ro... | [] | [] | [
[]
] | |
951j9e | how do humans taste things like smoke and metallic flavors if there are only five tastes (salty,sweet, sour, bitter, umami)? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/951j9e/eli5_how_do_humans_taste_things_like_smoke_and/ | {
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[],
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"https://doi.org/10.1152/physrev.00002.2015"
],
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[],
[],
[],
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8nk7oi | how do bagged cereal companies not get sued? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8nk7oi/eli5_how_do_bagged_cereal_companies_not_get_sued/ | {
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"text": [
"A patent only lasts about 20 years in most cases. So it is perfectly fine to make the exact same product. Thus, it is only the trademark laws that you have to get around. If you can argue that a person wouldnβt confuse your ... | [] | [] | [
[],
[]
] | ||
342ntz | Why didn't Scotland rise against British reign as Ireland did in the modern history? | Why Scotland doesn't have its "IRA"? Or does it? I read only about very passive Scottish National Liberation Army. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/342ntz/why_didnt_scotland_rise_against_british_reign_as/ | {
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"Because Ireland was effectively ruled as a colony, politically separate from England but completely subordinate to it. The native Irish were treated pretty horrifically - in fact... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Commonwealth_of_England",
"http://en.wikipedia.org/wiki/Acts_of_Union_1707",
"http://en.wikipedia.org/wiki/House_of_Stuart",
"http://en.wikipedia.org/wiki/Cromwellian_conquest_of_Ireland"
],
[],
[]
] | |
y1psl | Whose portrait is depicted in this image from the USSR in 1920? | This picture was posted on /r/HistoryPorn:
_URL_0_
It depicts two Russian peasants receiving electricity to their home under the Soviet electrification program.
Most commenters think that the peasants have a picture of Trotsky on their wall. That makes sense as Trotsky was a celebrity in 1920 and it's definitely not... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/y1psl/whose_portrait_is_depicted_in_this_image_from_the/ | {
"a_id": [
"c5rix6r"
],
"score": [
11
],
"text": [
"I've been wondering about this too. I think it might be [Mikhail Frunze](_URL_1_), who was a Red Army Commander during the Civil War.\n\nEdit: Yes, it is Frunze. [Here's the same photo](_URL_0_) with a biography of him on Spartacus."
]
} | [] | [
"http://i.imgur.com/wUJWD.jpg"
] | [
[
"http://www.spartacus.schoolnet.co.uk/RUSfrunze.htm",
"http://russiapedia.rt.com/prominent-russians/politics-and-society/mikhail-frunze/"
]
] | |
bnpxj7 | Education in ancient Egypt | What was education like in ancient Egypt? Was it available to the public, or was it just for the upper classes? Where there any pharaoh's in particular, who tried to establish or improve on education? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/bnpxj7/education_in_ancient_egypt/ | {
"a_id": [
"en91b36"
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"score": [
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"text": [
"The ancient Egyptians used two writing systems, hieroglyphics for religious literature and hieratic for everything else (administration, governmental edicts, mathematics, etc.). We know that schools attached to important temples and government de... | [] | [] | [
[]
] | |
1vcrjk | how do astronauts shave? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1vcrjk/eli5_how_do_astronauts_shave/ | {
"a_id": [
"ceqya1m"
],
"score": [
3
],
"text": [
"Who other than Chris Hadfield to answer the question:\n\n_URL_0_"
]
} | [] | [] | [
[
"http://www.youtube.com/watch?v=94-puZit3DA"
]
] | ||
2ay0lj | why do bands keep pretending to end a rock show, but always comeback for an encore to play like 2-3 of their best songs? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ay0lj/eli5why_do_bands_keep_pretending_to_end_a_rock/ | {
"a_id": [
"cizv0uf",
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"score": [
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4,
6
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"text": [
"it's building hype.\n\nand in many cases they: (one of this options)\n\n1. love the crowd, so they want to give them more\n\n2. pretend to love the crowd, so they want to make them happy.",
"I somet... | [] | [] | [
[],
[],
[]
] | ||
j5n06 | to me, why can't *japan* just print money | I understand how printing money can be bad because it leads to inflation. What I don't understand is why, if it's so easy to cause an inflation, doesn't Japan, or any other economy with deflation problems, just print money until the deflation curve is leveled out? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/j5n06/eli5_to_me_why_cant_japan_just_print_money/ | {
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"While printing money causes inflation, the contrary is not necessarily true. Japan did, in... | [] | [] | [
[],
[],
[],
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"http://en.wikipedia.org/wiki/Liquidity_trap"
],
[],
[],
[],
[
"http://en.wikipedia.org/wiki/Liquidity_trap"
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] | |
wso9u | Tattoo with skin cells gene spliced to glow? | I know we've spliced genes that cause luminescence into entire monkeys and cats. But is it possible to splice similar genes into a skin culture and tattoo(or other method to place the cells back in the appropriate environment). I can see several possible issues, primarily immune rejection, and cell mobility. By cell mo... | askscience | http://www.reddit.com/r/askscience/comments/wso9u/tattoo_with_skin_cells_gene_spliced_to_glow/ | {
"a_id": [
"c5g3fpd"
],
"score": [
2
],
"text": [
"What you're describing is all technically possible. We are able to [transfect human cells to express GFP](_URL_0_), a commonly used marker that fluoresces green under UV light. We are also able to culture skin cells *in vitro* for the purpose o... | [] | [] | [
[
"http://www.ncbi.nlm.nih.gov/pubmed/15625129",
"http://www.ncbi.nlm.nih.gov/pubmed/15453195"
]
] | |
90ozyu | the limit of tornado wind speed and why tornadoes might never become ef6 | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/90ozyu/eli5_the_limit_of_tornado_wind_speed_and_why/ | {
"a_id": [
"e2s1tks",
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"score": [
12,
2
],
"text": [
"Tornado and hurricane scales run from \"Ehh\"(EF0/Tropical storm) to \"OH SHIT!\"(EF5/Cat 5), in both cases we give the upper category an open upper bound. EF5 tornadoes have wind speeds > 200 MPH, even if you find a 300 ... | [] | [] | [
[],
[
"https://weather.com/storms/tornado/news/enhanced-fujita-scale-20130206",
"https://en.wikipedia.org/wiki/Wind_speed"
]
] | ||
xd2pz | What kind of fish is this? Caught in the Gulf of Mexico off of the Florida coast. | _URL_0_ | askscience | http://www.reddit.com/r/askscience/comments/xd2pz/what_kind_of_fish_is_this_caught_in_the_gulf_of/ | {
"a_id": [
"c5lo5qo"
],
"score": [
3
],
"text": [
"Looks like a Frogfish/Anglerfish of the genus *Antennarius*."
]
} | [] | [
"http://imgur.com/a/fwc5A"
] | [
[]
] | |
exv9f7 | a small-case 4-letter password has 456,976 possible combinations. why is there a need for even stronger passwords? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/exv9f7/eli5_a_smallcase_4letter_password_has_456976/ | {
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"fgd0zi5",
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"fgdayuq",
"fgdi9ge",
"fgdjcr3",
"fgdkvv3",
"fgdl2kz",
"fgdlimb",
"fgdmgt4",
"fgdnnd6",
"fgdpgu2",
"fgdw3c1",
"fgedcd0",
"fgeeo1f",
"fgeio2r",
"f... | [] | [] | [
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"https://haveibeenpwned.com"
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"https://arstechnica.com/information-technology/2012/12/25-gpu-cluster-cracks-every-standard-windows-password-in-6-hours/",
"https://thenextweb.com/apple/2014/09/01/this-could-be-the-apple-icloud-flaw-that-led-to-celebrity-photo... | ||
3n30ed | Why is it that you can cut/penetrate things so easily with pointy objects? Why is it that a greatly increased pressure from a needle or knife causes abrasion? | I get that P = F/A, so needles and knives with small areas will have a larger pressure for a small amount of force, but why does that pressure cause penetration? What makes pressure the important factor and not force? | askscience | https://www.reddit.com/r/askscience/comments/3n30ed/why_is_it_that_you_can_cutpenetrate_things_so/ | {
"a_id": [
"cvkqjan",
"cvkqwrd"
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"score": [
4,
4
],
"text": [
"Think of a person laying on a bed of nails. The person's force is fixed, lets say 250lb. However, obviously laying on an entire bed of nails is safe, and laying on a single nail is not. \n\nThis comes down to the strength of... | [] | [] | [
[],
[]
] | |
n91an | why the hippies were so horrible to soldiers returning from vietnam | i was just watching a documentary, and i couldn't believe how openly aggressive the hippies were to soldiers. i know most were drafted, so why would this be such a widespread problem? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/n91an/eli5_why_the_hippies_were_so_horrible_to_soldiers/ | {
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"text": [
"reddit being what it is, I can expect this answer to be heavily downvoted...\n\n----\n\nThe answer is \"Self-righteous indignation\" -... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | |
8h2wzq | What where the major advantages/disadvantages of the Roman testudo formation? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/8h2wzq/what_where_the_major_advantagesdisadvantages_of/ | {
"a_id": [
"dygsiii"
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"score": [
2
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"text": [
"While you're waiting, check out these threads for information on the turtle formation:\n\n[Roman testudo in medieval times](_URL_1_) by /u/novashadow1324\n\n[Military historians, can you explain why infantry forming square (or other similar defen... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/68pt2s/military_historians_can_you_explain_why_infantry/",
"https://www.reddit.com/r/AskHistorians/comments/5n06cj/roman_testudo_in_medieval_times/"
]
] | ||
4ggptj | What weapons were used in the Franco-Prussian War? | I have been researching some about the types of guns used in the Franco-Prussian War, but have only found information on the rifles used and none on the pistols or artillery pieces. Does anyone know what specific models of Pistols, Revolvers, Mortars, or Artillery Pieces were used during the conflict? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4ggptj/what_weapons_were_used_in_the_francoprussian_war/ | {
"a_id": [
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"text": [
" > Does anyone know what specific models of Pistols, Revolvers, Mortars, or Artillery Pieces were used during the conflict?\n\nI don't know of revolver designs, but the French utilized rifled muzzle-loading artillery pieces... | [] | [] | [
[],
[]
] | |
2u61g7 | What do non-Islamic historical accounts say about Mohammed? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2u61g7/what_do_nonislamic_historical_accounts_say_about/ | {
"a_id": [
"co5kqv8",
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51,
238
],
"text": [
"If *In the Shadow of the Sword* by Tom Holland is to believed, contemporary accounts of Mohammed are very rare indeed. Most accounts talk about a prominent leader in the area contested between the Roman Empire and Persia ... | [] | [] | [
[],
[
"http://www.reddit.com/r/AskHistorians/comments/2obtga/its_the_7th_or_8th_century_and_im_christian_how/cmn3xaa",
"http://www.reddit.com/r/AskHistorians/comments/2plril/how_were_the_peoples_of_north_africa_at_the/cmxxkwd",
"http://www.reddit.com/r/AskHistorians/comments/2rs7nn/outside_of_the_qura... | ||
2h94kf | Will a single gold atom have color? 10? At what point do we notice the color? | askscience | http://www.reddit.com/r/askscience/comments/2h94kf/will_a_single_gold_atom_have_color_10_at_what/ | {
"a_id": [
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4,
2
],
"text": [
"Color as we experience it in everyday life is mostly caused by the way many atoms are bonded together. For instance, carbon atoms bonded into a graphite pattern are gray while carbon atoms bonded into a diamond lattice are c... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Colloidal_gold#mediaviewer/File:Gold255.jpg"
]
] | ||
25llmj | why my computer lags when only 50% of the cpu is being used | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/25llmj/eli5_why_my_computer_lags_when_only_50_of_the_cpu/ | {
"a_id": [
"chidxlv",
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"score": [
2,
4
],
"text": [
"Is your computer as a whole lagging, or just one application? \n\nIf it's a single application, it may only have one or two threads running. 50% of a dual-core CPU is one core maxed out. Certain programs can launch more thre... | [] | [] | [
[],
[]
] | ||
2010ly | if a straight razor, single blade, is the closest shave we can get, then why do companies keep adding blades? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2010ly/eli5_if_a_straight_razor_single_blade_is_the/ | {
"a_id": [
"cfysiqr",
"cfysjdh",
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"score": [
2,
3,
5
],
"text": [
"to justify charging you $20 for a 3 pack of replacement razors. ",
"marketing gimmick. truthfully you can use a cheap plastic handle razor for a long time if you dry it off after each use. clark h... | [] | [] | [
[],
[],
[]
] | ||
32qrt5 | If it was so easy to defend, why did the allies 'have to' attack Omaha Beach on D-Day? | I read in Stephen E Ambrose's book on D-Day that both Rommel and Eisenhower knew that Omaha Beach was a perfect beach to defend. Narrow beach at high tide, swamp area, then bluffs which had many foxholes and defensive positions dug perfectly into them. Ambrose states that 'No tactician could have devised a better defen... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/32qrt5/if_it_was_so_easy_to_defend_why_did_the_allies/ | {
"a_id": [
"cqdst9v"
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"score": [
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"text": [
"All of the beaches had fairly small gaps in between them, but the Omaha landings would serve to link the American landings further north at Utah, with the Anglo-Canadian landings at Juno and Gold, and thus to the other British landing at Sword. ... | [] | [] | [
[]
] | |
116ip4 | Body Temperature and why we can stay alive 90 degrees below our body temperature but will die 90 degrees above. | I know that the human body temp is like 98 degrees and humans can survive in temperatures much much lower than that but humans cannot survive in temperatures much hotter than that. Why is that? why is it that our body can withstand extreme colds but not extreme heat? We do have a cooling system in sweat do we not? | askscience | http://www.reddit.com/r/askscience/comments/116ip4/body_temperature_and_why_we_can_stay_alive_90/ | {
"a_id": [
"c6jrkpw",
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],
"score": [
8,
2
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"text": [
"It is much easier to keep heat in with insulation than it is to get rid of excess heat with sweating or other means.",
"Heat denatures proteins, making them useless. Cold and heat will both lead to cell death but heat is... | [] | [] | [
[],
[]
] | |
4t722q | realistically, what would have to happen before games (especially vr) can match the photo-realism of film cgi? | Specifically. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4t722q/eli5_realistically_what_would_have_to_happen/ | {
"a_id": [
"d5f2e5j",
"d5f2v11"
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"score": [
3,
2
],
"text": [
"Think of it this way. \n\nThe deadline for rendering 120 minutes of movie is around 2 years. \n\nThe deadline for rendering 120 minutes of video game is 120 minutes + 33ms. \n\nEven counting the fact that movies need to be d... | [] | [] | [
[],
[]
] | |
31yfds | In the densest parts of galaxies, how close can stars get to one another? | askscience | http://www.reddit.com/r/askscience/comments/31yfds/in_the_densest_parts_of_galaxies_how_close_can/ | {
"a_id": [
"cq6cdwc"
],
"score": [
3
],
"text": [
"Although a pretty rare event, they can [collide](_URL_0_), or in other words, they can get arbitrarily close. \n\nThe densest regions are the galactic nuclei as well as the cores of globular clusters, in which you can have thousands of stars per ... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Stellar_collision"
]
] | ||
375qvn | What are some good books about the Ethiopian Revolution, the Ethiopian Civil War, and/or the rule of the Derg and Mengistu in general? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/375qvn/what_are_some_good_books_about_the_ethiopian/ | {
"a_id": [
"crk36g1"
],
"score": [
2
],
"text": [
"Robert D. Kaplan's \"Surrender Or Starve\" is not in-depth and the scope is wider than Ethiopia, but is a good start, and Kaplan is always engaging."
]
} | [] | [] | [
[]
] | ||
2wqmds | Did segregation laws in the U.S. South "technically" apply to both blacks and whites? | What I mean by this, is that was it illegal for a white person to use facilities designated for blacks? I doubt that such laws would ever have been enforced, but would it have been technically a crime (on the books) for a white person to drink from the "colored" water fountain? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2wqmds/did_segregation_laws_in_the_us_south_technically/ | {
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"cotcelc",
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"cotebxb",
"cotiy7r"
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"score": [
76,
203,
29,
19,
10,
11
],
"text": [
"Follow up: would there be any reason to prefer black versions of things (I.e. drinking fountains, etc...?)",
"Some discrimina... | [] | [] | [
[],
[
"http://www.lovingday.org/",
"http://www.law.cornell.edu/supremecourt/text/388/1"
],
[
"http://www.law.cornell.edu/supremecourt/text/163/537"
],
[
"http://www.aptv.org/docs/detail.asp?DocID=4"
],
[],
[
"http://www.lafayettepublicpolicy.com/history_of_freetown2.html",
"h... | |
bo6edn | Does the deep ocean water pressure make water flow more difficult? | Is it more difficult for water currents to flow when there is a lot of pressure, such as the water near the ocean floor? Can a fish that swims quickly in shallow water swim at the same speed in deep water, with the same amount of force, if it were somehow able to survive the pressure? Or are deep fish stronger swimmers... | askscience | https://www.reddit.com/r/askscience/comments/bo6edn/does_the_deep_ocean_water_pressure_make_water/ | {
"a_id": [
"engsho9"
],
"score": [
3
],
"text": [
"Short answer: no.\n\nLonger answer: currents are driven by pressure *gradients*, amongst other things such as gravity. On short time and space scales, water tends to flow horizontally from regions of high pressure towards regions of low pressure.... | [] | [] | [
[]
] | |
2bpqm8 | car motor oils. | So what's the difference between motor oils? 5w-30, 5w-15, 10w-40, and all the rest. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2bpqm8/eli5_car_motor_oils/ | {
"a_id": [
"cj7od1r",
"cj7ofb4",
"cj7oyhw"
],
"score": [
2,
2,
3
],
"text": [
"Different oil weights have different thicknesses which may or may not affect how fast they move through small holes, called orifices. A thick oil through a small hole will increase oil pressure and caus... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Engine_oil#Multi-grade"
],
[]
] | |
a8y75f | What were the thoughts about static build up and shock to people in the past, and was it seen as a sort of witchcraft if everyone has done it at least a dozen times? | Its easy to zap stuff with a touch if youve rubbed hair/fabric/etc together for a second or two, and it's not an uncommon occurance for people to 'zap' people or stuff they touch because of it. When it was seen or felt, was it thought to be a mystery, a godly thing, a thing only witches and such could do, or what? What... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/a8y75f/what_were_the_thoughts_about_static_build_up_and/ | {
"a_id": [
"ecezhvv"
],
"score": [
3
],
"text": [
"There is an excellent older answer to this question by u/hillsonghoods [here](_URL_0_). Just because people in the past didn't have our scientific understanding of the phenomenon, doesn't mean that they didn't have a secular theory of what suppos... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/7rvynq/what_did_people_think_about_static_electricity/"
]
] | |
4nczr8 | how did big army get fed in the past like durring big conquest like crusade | How can you manage to feed an entire army and horses long enough to win a war and comeback without much transportation like we have today | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4nczr8/eli5how_did_big_army_get_fed_in_the_past_like/ | {
"a_id": [
"d42uagi",
"d42ud73",
"d42ud8z",
"d43596r"
],
"score": [
6,
11,
2,
3
],
"text": [
"Basically, raiding the countryside.\n\nRemember the whole \"quartering soldiers\" bit from the 3rd amendment? The British were commandeering people's homes and property for their ... | [] | [] | [
[],
[],
[],
[
"https://books.google.com/books?id=LfRiXN5hhCUC&printsec=frontcover&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=false"
]
] | |
2xfs74 | if republicans control both houses of congress, why was it so hard to get a homeland security bill passed? | The only thing I can think of is that they had to work within the threat of Presidential veto, but I feel like the Republicans would be more than happy to pass a bill they know would be vetoed to force Obama to take the blame. It seems instead, though, that there was legitimate difficulty just getting a bill to the Pre... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2xfs74/eli5_if_republicans_control_both_houses_of/ | {
"a_id": [
"cozrfqb"
],
"score": [
23
],
"text": [
"The Republican Party is not united. The establishment faction and the Tea Party faction disagreed over the bill. The establishment faction wanted to pass it. The Tea Party wanted to use the bill as leverage against Obama in order to force him to... | [] | [] | [
[]
] |
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