q_id stringlengths 5 6 | title stringlengths 3 301 | selftext stringlengths 0 39.2k | document stringclasses 1
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2ozyf0 | In what ways did culture of the time influence Buddhist beliefs and practices? | I'm not sure if this is an appropriate/well-worded question but it's something I've been thinking about for a while since I started studying Buddhism. I understand all religions need to be taken into the context of where and when they originated and how different cultures shaped them over time. I was hoping to find som... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2ozyf0/in_what_ways_did_culture_of_the_time_influence/ | {
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"Stephen Batchelor, a former monk in both the Tibetan and Zen traditions, wrote [Buddhism Without Beliefs](_URL_1_), an explicit attempt to separate the baby from the cultural bathwater in Buddhism. It's been ages since I rea... | [] | [] | [
[
"http://www.metmuseum.org/toah/hd/budd/hd_budd.htm",
"http://www.amazon.com/Buddhism-Without-Beliefs-Contemporary-Awakening/dp/1573226564",
"http://vajratool.wordpress.com/2011/01/26/life-as-cinema-by-dzongsar-khyentse-rinpoche/"
],
[]
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1ndkfj | During World War II did merchant ships have insurance against being sunk by the enemy? Did the national governments offer compensation? | Interested in both Allied and Axis shipping, especially British/American running the Atlantic. Did the American declaration of war change anything?
| AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1ndkfj/during_world_war_ii_did_merchant_ships_have/ | {
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"They were insured against loss. The precise details likely varied from ship to ship. I'm not sure where you would find the precise details of the amount any given vessel was insured for off hand. Lloyds and the American Bu... | [] | [] | [
[
"http://library.marinersmuseum.org/default.asp?IDCFile=DETAILSL.IDC,SPECIFIC=663,NEXTRECORDS=51,PREVRECORDS=0,DATABASE=55005065,LISTIDC=PAGEL.IDC,RECORDMAX=50,RECNO=3,WORDS=Lloyd%27s+register"
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"http://snl.no/krigsskade",
"http://en.wikipedia.org/wiki/Nortraship"
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8121vw | During WWII what was the average distance that tanks fought other tanks? | For example during the battle of Kursk I’ve always imagined it as the German with their Tiger and Panther on side far away and the Soviets wither their KV-1’s and T-34’s on the other far away. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/8121vw/during_wwii_what_was_the_average_distance_that/ | {
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"Coox and Naisawald's 1954 study *Survey of Allied Tank Casualties in World War II* gives several statistics that attempt to determine this.\n\n > A study of 800 U.S., British, and Canadian tank casualties in Western Europe, the Mediterranean Th... | [] | [] | [
[]
] | |
3rhdfs | if the only way you can get an std, sti, and hiv is if you sleep with someone who's infected then how is it stds, sti's and hiv exist to begin with? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3rhdfs/eli5_if_the_only_way_you_can_get_an_std_sti_and/ | {
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"There are other ways to get most STIs. HIV, for example, can be transmitted through an infected person's blood, often by sharing or reusing needles for drug injections.",
"STIs are commonly transmit... | [] | [] | [
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239xkh | why do bottles of antibiotics and vitamins smell bad? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/239xkh/eli5_why_do_bottles_of_antibiotics_and_vitamins/ | {
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"Not all antibiotics have that rotten egg smell, but those that do typically contain a Sulfur compound in the form of hydrogen sulfide that gives it that rancid smell.",
"Not ... | [] | [] | [
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9itdw9 | how do we know counting rings in a tree is a definitive "1 year"? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9itdw9/eli5_how_do_we_know_counting_rings_in_a_tree_is_a/ | {
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zz8hb | Whale sounds/songs can reach up to 190dB. Is this not dangerous for humans taking a swim nearby? | I read (Wikipedia) that whale sounds can travel across entire oceans. Also what stops the sounds being heard above water if they are so loud? Is the answer something to do with sound travelling better/faster underwater? | askscience | http://www.reddit.com/r/askscience/comments/zz8hb/whale_soundssongs_can_reach_up_to_190db_is_this/ | {
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"Simply put, the gap between water and air is too difficult to cross for a number of reasons.\n\n\nFirst, the speed of pressure waves in water is much, much greater than the speed of pressure waves in air. This means that to someone near the water... | [] | [] | [
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8kk4y4 | what exactly is a galaxy? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8kk4y4/eli5_what_exactly_is_a_galaxy/ | {
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"A massive collection of stars, all orbiting a central point, usually a supermassive black hole. \n\nBasically,from what we can tell, they form much the same way individual star systems form. A cloud of gas (mainly hydrogen) condensed due to gravi... | [] | [] | [
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6x23o6 | what happens when a country 'condemns' something? | What does 'condemning' actually do? Is it just a bunch of people coming to the conclusion that, 'yes, this was in fact, a bad thing. Shame on them.'
is there nothing more to it?
Like I read on the news all the time 'x organization/group/country condemns actions of other org... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6x23o6/eli5_what_happens_when_a_country_condemns/ | {
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"text": [
"That's pretty much it - just expressing disapproval. A lot of times there's not a good/politically palatable solution to problems, so all a politician can do is talk about it.",
"It doesn't do much to solve the problem, ... | [] | [] | [
[],
[]
] | |
9dtty4 | as someone who doesnt follow sports and social trends or have a twitter or instagram, why are people burning their nike clothes? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9dtty4/eli5_as_someone_who_doesnt_follow_sports_and/ | {
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"It's an extention of the kneeling during national anthem thing. The football player who started the kneeling protest did an ad with Nike. Now people who disliked the kneeling protest are burning thier N... | [] | [] | [
[],
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aq2vix | asian flush syndrome | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/aq2vix/eli5_asian_flush_syndrome/ | {
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"text": [
"Are you asking what causes it? It's caused by the buildup of a chemical called acetaldehyde, which is a natural product of the metabolism of alcohol. It's genetic, and fairly common among people of Asian decent. There are a couple of genes respon... | [] | [] | [
[]
] | ||
7ljhve | why does white noise calm people down? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7ljhve/eli5why_does_white_noise_calm_people_down/ | {
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"It distracts us from our own internal dialogue, which can be a little overwhelming afte... | [] | [] | [
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2n8mjd | If coats are just good insulators, why can't we wear them in the summer to keep cool? | askscience | http://www.reddit.com/r/askscience/comments/2n8mjd/if_coats_are_just_good_insulators_why_cant_we/ | {
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"text": [
"Human comfort temperature range is a little below the temperature of the human body. We are exo-thermic, and remain comfortable so long as our body temp does not drop or rise by much. \n\nWearing a coat in winter keeps our... | [] | [] | [
[],
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184tgj | Why is there a maximum speed for light? What is "braking" it? | askscience | http://www.reddit.com/r/askscience/comments/184tgj/why_is_there_a_maximum_speed_for_light_what_is/ | {
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"The speed of light is set by two fundamental constants known as the permeability and permittivity of free space. A classical analogy for these constants would be \"stiffness\", ie empty space has a stiffness and this leads ... | [] | [] | [
[],
[
"http://www.reddit.com/r/askscience/comments/fjwkh/why_exactly_can_nothing_go_faster_than_the_speed/c1gh4x7"
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1w1a45 | how can the quietest room in the world be -9 decibels? | This is just very confusing for me. Would the sound be effected before it was created? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1w1a45/eli5_how_can_the_quietest_room_in_the_world_be_9/ | {
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"Decibels are a logarithmic scale. 0 isn't no sound, it's just the lower-limit of what a human can typically hear. So -9 isn't no sound at all, it's just quieter than the quietest... | [] | [] | [
[],
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b06yxr | does “burning in” brand new audio gears such as headphones and speakers actually work? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b06yxr/eli5_does_burning_in_brand_new_audio_gears_such/ | {
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"text": [
"First: The word 'gear' in this context is already plural. It's a group noun, like 'news' and 'furniture'. \n\nSecond: No. That idea comes from decades ago, when magnets were weaker and materials were worse. Even then, it had... | [] | [] | [
[],
[
"https://upload.wikimedia.org/wikipedia/commons/7/79/Loudspeaker-bass.png"
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87j5ly | Is there any credible evidence for any kind of Giant humans existing? | I️ grew up in a really fundamental/weird Christian faith and believed there was a whole subspecies of giants... won’t get into the weirdness of “origins” and whatnot, just trying to see if there is any reasonable place these stories came from, or if it was probably just propaganda?
Thanks! | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/87j5ly/is_there_any_credible_evidence_for_any_kind_of/ | {
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"text": [
"I wouldn't say it is propaganda (that's a strong word!), but these entities, common in many people's folklore, have no basis in fact. You can ask /r/Askanthropology about things like the \"giganthropus\" fossil evidence, but whatever that repres... | [] | [] | [
[]
] | |
2vtr1t | how come no one has registered trademark using internet memes? are there any policies related to that? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2vtr1t/eli5_how_come_no_one_has_registered_trademark/ | {
"a_id": [
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"text": [
"To register a phrase as trademark, you have to prove that people recognize your company's products because you use the phrase. That's never going to be true for an internet meme."
]
} | [] | [] | [
[]
] | ||
3lb0xa | "If there is no biological basis for race, how can forensic anthropologists distinguish the remains of a person of one race from those of another?" | A friend of mine posted pictures of her professors holding up signs in support of the BlackLivesMatter movement, and one of the signs said "Anthropologists know there is no biological basis for race, but that racism is real." Someone commented and asked, "If there is no biological basis for race, how can forensic anthr... | askscience | https://www.reddit.com/r/askscience/comments/3lb0xa/if_there_is_no_biological_basis_for_race_how_can/ | {
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"The concept of race exists in biology, but there is only one human race. There are genetic differences between human populations based on geography but they ... | [] | [] | [
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"http://www.ncbi.nlm.nih.gov/pubmed/23684745"
],
[],
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"https://www.ncjrs.gov/App/publications/Abstract.aspx?id=103043"
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[],
[]
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3dr2jg | the cable companies arguement to "data cap" my monthly internet usage is to prevent congestion of the system during peak hours. can it really be congested? | I'm not the smartest about this.
When watching netflix, isn't it Netflix's servers that bear the burden of me streaming content. The internet provider is just transfering the data the server produces.
Or, is my streaming of HD video burden the infrastructure required to provide it?
If it is true, what makes cable TV... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3dr2jg/eli5_the_cable_companies_arguement_to_data_cap_my/ | {
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"Yes, it's true. Netflix's servers are sending you the video, but it still travels down your ISP's internet connection to get to you. There is a limited amount... | [] | [] | [
[],
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adnvnt | bandwidth vs ping vs latency | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/adnvnt/eli5_bandwidth_vs_ping_vs_latency/ | {
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"Latency is a measure in milliseconds of how long it takes for another device to respond to your request for a response. \n\nPing is the most common tool for measuring latency. It sends a small packet out and measures how ... | [] | [] | [
[],
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1vnzze | Why does nature sometimes prefer right or left? Example: Lorentz force | Hello everyone,
I'm a Electrical Engineer on a university and know how to use maxwell equations in calculating many things like inductance and capacitance between objects. I also know that somethimes nature prefers to choose for a certain direction like magnetic fields around a wire with flowing current or the lorentz... | askscience | http://www.reddit.com/r/askscience/comments/1vnzze/why_does_nature_sometimes_prefer_right_or_left/ | {
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"I see where you are coming from here:\n\nIf you have a vertical wire, with a current going up, then the magnetic field wraps around the wire according to a right-hand rule - counterclockwise when viewed from above. If I loo... | [] | [] | [
[],
[]
] | |
1a88gb | What was the Nazi opinion on the Chinese? What was the Japanese opinion on the Jews? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1a88gb/what_was_the_nazi_opinion_on_the_chinese_what_was/ | {
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"The Nazis didn't seem to have a problem with the Chinese, they had provided extensive military support to the KMT in the 20s and 30s. They even had their own man in China in [W... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Wang_Jingwei"
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"http://en.wikipedia.org/wiki/Sino-German_cooperation_(1911-1941)",
"http://en.wikipedia.org/wiki/Honorary_Aryan"
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1gakan | why the winter war happened | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1gakan/eli5_why_the_winter_war_happened/ | {
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"Relations between Russia and Finland had been strained since WWI. \n\nRussia felt that Finland was weak, and that they would be able to easily seize a decent chunk of territory. Most of the rest of Europe was distracted by G... | [] | [] | [
[],
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"http://ru.wikisource.org/wiki/%D0%94%D0%BE%D0%B3%D0%BE%D0%B2%D0%BE%D1%80_%D0%BE_%D0%B2%D0%B7%D0%B0%D0%B8%D0%BC%D0%BE%D0%BF%D0%BE%D0%BC%D0%BE%D1%89%D0%B8_%D0%B8_%D0%B4%D1%80%D1%83%D0%B6%D0%B1%D0%B5_%D1%81_%D0%BF%D1%80%D0%B0%D0%B2%D0%B8%D1%82%D0%B5%D0%BB%D1%8C%D1%81%D1%82%D0%B2%D0%BE%D0%BC_%D0%9A%D1%83%D... | ||
g105m3 | How does a vaccine with inactivated virus work? | askscience | https://www.reddit.com/r/askscience/comments/g105m3/how_does_a_vaccine_with_inactivated_virus_work/ | {
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"Imagine you're playing CTF and you're on the Red team, but you don't know what the enemy team looks like. Turns out they're Blue. You can learn this when they attack you, but that's bad because they have guns and will kill y... | [] | [] | [
[],
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322i0q | Western Intensification: Why are currents much stronger on the western than eastern side of ocean basins? | askscience | http://www.reddit.com/r/askscience/comments/322i0q/western_intensification_why_are_currents_much/ | {
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"Ok, this is both a fundamental tenant of oceanography but also very difficult to explain in a short space. The classic paper is Henry Stommel's 1948 [*The Westward Intensification of Wind-Driven Ocean Currents* (PDF)](_URL_0_). In this paper St... | [] | [] | [
[
"http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=8&ved=0CEMQFjAH&url=http%3A%2F%2Fweb.gps.caltech.edu%2F~tsai%2Ffiles%2FGreatPapers%2FStommel_1948.pdf&ei=IjIoVazQGO78sASLs4CABw&usg=AFQjCNEQas_S0zMK96aJwM-oqcTFFENX9Q&bvm=bv.90491159,d.cWc&cad=rja"
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12vtt9 | Does anybody know if there were any drugs developed or important medical discoveries made within the Soviet Union? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/12vtt9/does_anybody_know_if_there_were_any_drugs/ | {
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"[Phage Therapy](_URL_1_) is the what immediately springs to mind. While not technically \"invented\" in the USSR (British and French scientists independently discovered bacteriophagic viruses in early 20th century and), the Soviet Union was where... | [] | [] | [
[
"http://www.amazon.com/Forgotten-Cure-Future-Phage-Therapy/dp/1461402506",
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"http://www.eliava-institute.org/",
"http://www.landesbioscience.com/journals/bacteriophage/Abedo... | ||
10mg6g | When did Europe begin its shift away from religion? Why? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/10mg6g/when_did_europe_begin_its_shift_away_from/ | {
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"During the Middle Ages, religion played a hugely important role in life, since the Church... | [] | [] | [
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45pktn | How did Luxembourg survive? | As someone who reads a lot of medieval history, I am fully aware of the myriad of tiny states that Europe once was. I'm sure I don't have to explain the situation in this subreddit for sure.
But one thing I notice as I look closer and closer towards modern history, is the arrival of larger states in Europe, reflectiv... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/45pktn/how_did_luxembourg_survive/ | {
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" > annexed by the Netherlands because of its political ties?\n\nActually, Luxembourg has been absorbed into other countries through history, and the current Luxembourg is nowhere near as large as the historical Duchy of Luxembourg. See [this map]... | [] | [] | [
[
"https://upload.wikimedia.org/wikipedia/commons/6/6c/LuxembourgPartitionsMap_english.png"
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2x5moq | why did we, as a species, develop a taste for art? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2x5moq/eli5_why_did_we_as_a_species_develop_a_taste_for/ | {
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"There will never be any one, completely satisfying answer to question like this. But, as far as we can tell, most of the higher-level mental attributes of humans are simply byproducts of having large, advanced brains. That is to say, we *didn't* ... | [] | [] | [
[]
] | ||
2f9dde | if our blood contains iron, why is it not orange or rust colored? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2f9dde/eli5_if_our_blood_contains_iron_why_is_it_not/ | {
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"Because we have a very small amount of it in our bodies. We have around 4 grams of iron in our bodies. This is about the weight of a penny.",
"Our intuitive sense is that adding elements to a compo... | [] | [] | [
[],
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27lvim | why can extreme stress cause a psychotic episode? | What is the brains point in doing this (like is it protecting itself)? Are some people more likely for this to happen? Or will everyone eventually have one if put through enough stress? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/27lvim/eli5_why_can_extreme_stress_cause_a_psychotic/ | {
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"Everyone will break, it's a matter of time and level of perceived stress and bodily fatigue they are going through at the time.\n\nMy f... | [] | [] | [
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1usu2p | What was so special about the Paris commune uprising that it seems to hold the imagination of communists greater than that of say the French revolution? | Because I literally had not known what the Paris commune was, despite its repeated reference in communist literature and thought later on, until this past year. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1usu2p/what_was_so_special_about_the_paris_commune/ | {
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"It feels silly to say that the reason the Commume is more idealized is because it's Communistic. While I cannoy speak much on the Paris Commune, something I aim to fix someday, I would argue that the r... | [] | [] | [
[],
[],
[]
] | |
t1f7s | Why do healthy young athletes die suddenly from cardiac arrest? | askscience | http://www.reddit.com/r/askscience/comments/t1f7s/why_do_healthy_young_athletes_die_suddenly_from/ | {
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"There is no way to answer this question precisely, as each case of sudden cardiac arrest is unique. However, in general, healthy athletes who die of cardiac issues often have a congenital (present since birth) structural he... | [] | [] | [
[],
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] | ||
6e42wy | how do phones send texts? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6e42wy/eli5_how_do_phones_send_texts/ | {
"a_id": [
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"text": [
"In much the same way as they send voice to the tower when you talk on the phone. They have circuitry to create a signal, and send one that is the style the tower recognizes as text. They've decided certain bit patterns mean certain characters, an... | [] | [] | [
[]
] | ||
315t3e | how this battery train experiment works? | _URL_0_ | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/315t3e/eli5_how_this_battery_train_experiment_works/ | {
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"[This](_URL_1_) should help you out...people on a physics forum explaining it pretty simply\n\nEDIT: Aww hell, I guess I'll copy/paste the answer here...\n\n > If you run a current through a coil; it generates an magnetic f... | [] | [
"http://www.sylvanlearning.com/blog/index.php/after-school-activity-2/"
] | [
[
"http://i.stack.imgur.com/7mbXh.gif",
"http://physics.stackexchange.com/questions/150033/how-does-this-simple-electric-train-work"
],
[]
] | |
tswhk | Can 'one' photon technically be divided into anything? | If light is able to be measured and has a very basic form, then what happens to light that has been traveling for nearly an indefinite amount of time and spread out into space? One photon will simply travel on its own at some point? | askscience | http://www.reddit.com/r/askscience/comments/tswhk/can_one_photon_technically_be_divided_into/ | {
"a_id": [
"c4pg12e",
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"text": [
"Read up on [spontaneous parametric down-conversion](_URL_0_).\n\n_URL_1_\n\n_URL_2_\n\n",
"Within the framework of Quantum Electrodynamics, the only thing one photon can do is pair produce - split into an electron and po... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Spontaneous_parametric_down-conversion",
"http://phys.org/news199592950.html",
"http://www.nature.com/nature/journal/v466/n7306/full/nature09175.html"
],
[]
] | |
93nb2p | what is wikileaks? what is the current situation with them? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/93nb2p/eli5_what_is_wikileaks_what_is_the_current/ | {
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"Wikileaks is a website that originated by civil libertarians who intended to promote transparency by publishing leaks of sensitive information about governments and large corporations, given to them in secret by whistleblowers. They rose to fame ... | [] | [] | [
[]
] | ||
24rteq | how are the us still allowed to use drone strikes when the civilian casualty rate is so high? | Just seems that if it was anyone else, people would make a bigger deal. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/24rteq/eli5_how_are_the_us_still_allowed_to_use_drone/ | {
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... | [] | [] | [
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b9maav | Why dose the Ussr anthem mention Russia | In the hymn of the USSR near the beginning this it says “Great Russia has welded forever to stand” in the lyrics, of why is Russia specifically mentioned if its a collection of states and not just Russian? Dose the Ukrainian version say Great Ukraine has welded forever to stand? This question has been bothering me a lo... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/b9maav/why_dose_the_ussr_anthem_mention_russia/ | {
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"Here's the lyrics for the Anthem of the SSSR that were used from from 44-56 - the first stanza is the relevant one:\n\n > Союз нерушимый республик свободных\nСплотила навеки Великая Русь.\nДа здравствует созданный волей народов\nЕдиный, могучий С... | [] | [] | [
[]
] | |
28hlli | Was the American Western Frontier as deadly as media portrays it? With gun battles, shootings, tons of diseases, etc.? If not, how did we get this impression? | I was watching A Million Ways to Die in the West last night, and it was talking about all the ways to die out there. And that got me thinking about this question.
Was it really deadly with outlaws and gangs shooting places up? Gun duels between two (or more) people in the center of towns? Etc. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/28hlli/was_the_american_western_frontier_as_deadly_as/ | {
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"Disease was certainly a problem, especially for Native Americans who didn't have the same heritable immunities as people of European descent. But the violence of the American West has been dramatized quite a lot. \n\nYou'r... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Dalton_Gang#Coffeyville_bank_robbery",
"http://en.wikipedia.org/wiki/Lincoln_County_War"
],
[]
] | |
7z5xu1 | is it possible to move an object in circular motion using magnets? | hello I'm trying to make a device which uses magnetism. my device is like a windmill but instead, I'm planning to use magnets to move the blades. I created a miniature using a pc fan and a dynamo generator. So far it doesn't work. Is it possible to move an object in circular motion with the use of two opposite magnetic... | askscience | https://www.reddit.com/r/askscience/comments/7z5xu1/is_it_possible_to_move_an_object_in_circular/ | {
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... | [] | [] | [
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"http://www.learnabout-electronics.org/ac_theory/images/Solenoid-Bar.jpg"
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35a7ej | how do doctors perform 20+ hour surgeries? don't they get mentally and physically exhausted? | I wouldn't want a tired doctor performing surgery on me. Do they get rest cycles with other doctors? Do they have places where they can "pause" the surgery to take a nap? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/35a7ej/eli5_how_do_doctors_perform_20_hour_surgeries/ | {
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"Yes, if it's going to take that long they work in shifts. Even during a more mundane procedure, the surgeon will often have a resident come in to do certa... | [] | [] | [
[],
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] | |
1jb8ri | in special relativity, how is it determined which reference point will have time slowed down? | Please correct me where I'm wrong on this:
Since there is no known ether creating a universal material/fabric limiting the speed of light (or is there based on string theory?), and since time dilation manifests as slowed passage of time for those traveling fast as relative to those not traveling fast, what baffles me ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1jb8ri/eli5_in_special_relativity_how_is_it_determined/ | {
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" > Person B gets in a super space ship that launches up and then accelerates to 0.75 times the speed of light and travels for 1 year, then turns around, comes back, and lands on Earth.\nIs time slower f... | [] | [
"http://en.wikipedia.org/wiki/Twin_paradox"
] | [
[],
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"http://en.wikipedia.org/wiki/Twin_paradox"
],
[
"http://en.wikipedia.org/wiki/Twin_paradox"
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cfgphn | what is asmr exactly and how is it supposedly pleasant to the ears? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cfgphn/eli5_what_is_asmr_exactly_and_how_is_it/ | {
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"text": [
"This is the best answer I've ever found.\n_URL_0_\n\nPlus it comes from a great comic to read.",
"ASMR is an actual physical sensation, it’s not just a metaphor. It’s hard to explain if you’ve never felt it, kinda like t... | [] | [] | [
[
"https://goblinscomic.com/blog/this-is-what-asmr-actually-is"
],
[]
] | ||
6b0by2 | How quickly did prejudice towards Japanese-Americans by the general American population end after WW2? | Norman Mineta was put into an internment camp as a teenager, and became a mayor in 1971 and in the House of Representatives in 1975. Of course that is decades later, but still, only a generation later it seemed to have completely passed at least in this specific example.
When did the prejudice and discrimination gener... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6b0by2/how_quickly_did_prejudice_towards/ | {
"a_id": [
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"text": [
"There's a great book about this topic called \"America's Geisha Ally: Reimagining the Japense Enemy\" by Naoko Shibusawa. It goes into great detail about the United States government entering into the \"reverse course\" foll... | [] | [] | [
[],
[
"https://books.google.com/books/about/Race_Rights_and_the_Asian_American_Exper.html?id=Uc_q6upNmugC",
"http://www.oregoncampuscompact.org/uploads/1/3/0/4/13042698/racial_microaggressions_and_aa_experience.pdf"
]
] | |
31r47t | When and why did the US stop allowing (literal) boatloads of immigrants to just show up at a port and begin living in the US? | I've heard that some time in the past, it was routine for thousands of people to arrive at places like Ellis Island in New York, and then they were allowed to immigrate right then and there.
Nowadays, you usually need to apply for a Green Card, and it's done by lottery, and there is a very limited number compared to t... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/31r47t/when_and_why_did_the_us_stop_allowing_literal/ | {
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"It wasn't just one single law but rather a series of laws. The first was the Page Act of 1875 that primarily targeted Asians, particularly Chinese people, that were immigrating to the western United States to work menial ... | [] | [] | [
[],
[
"http://library.uwb.edu/guides/usimmigration/18%20stat%20477.pdf"
]
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23bkik | Does quantum mechanics apply to energy? | Here is the gist of my question; quantum probability states that (as far as I know) subatomic particals can exist anyplace in the universe. IE some of the particals in your body may be on Mars right now. The reason large objects don't vanish and reform is because the probability is so low.
Now, once the universe wind... | askscience | http://www.reddit.com/r/askscience/comments/23bkik/does_quantum_mechanics_apply_to_energy/ | {
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"text": [
"That's not really what quantum mechanics is about. Energy is conserved in quantum systems unless there is an external reason for it not to be.",
" > If the universe continues to exist forever, does the most improbable ... | [] | [] | [
[],
[]
] | |
6nvu4e | What terms did people use to describe rotation before clocks were common? | I refer to terms used today such as "clockwise" and "counter-clockwise" | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6nvu4e/what_terms_did_people_use_to_describe_rotation/ | {
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"text": [
"In Northern Europe, people would refer to the direction of the sun - indicating a direction was either \"sunwise\" or \"against the sun\": In the north, if one faces south to watch the path the sun takes, it moves in an arc that moves from the le... | [] | [] | [
[]
] | |
4bb9z0 | how do we know cold is the absence of heat and not the other way around? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4bb9z0/eli5_how_do_we_know_cold_is_the_absence_of_heat/ | {
"a_id": [
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35,
2
],
"text": [
"Temperature is a measurement of energy, specifically kinetic energy on a molecular scale with warmer things having more of this energy than colder things.\nBecause we warm something up by adding energy we define warm/hot as... | [] | [] | [
[],
[]
] | ||
8ksc43 | what does being turing complete means? | I've seen it's a machine that can solve any computational problem, but can you ELI5 please? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8ksc43/eli5_what_does_being_turing_complete_means/ | {
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"text": [
"In colloquial usage, the terms \"Turing complete\" or \"Turing equivalent\" are used to mean that any real-world general-purpose computer or computer language can approximately sim... | [] | [] | [
[],
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1n5ja2 | If the Great Depression didn't truly end until the start of WWII, how come the US economy didn't dip in the post war years? | I've always understood that until the rise in manufacturing immediately leading up to and at the start of World War II, the effects of the Depression and the Roosevelt Recession were not fully alleviated. If this is true, how come the post-war years did not see an economic downturn, but are instead widely recognized a... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1n5ja2/if_the_great_depression_didnt_truly_end_until_the/ | {
"a_id": [
"ccfktxe"
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"text": [
"There was a recession in 1945. GDP fell by 12.7% in that recession. By comparison, the recession of 2007 lowered GDP by 4.3%.\n\n"
]
} | [] | [] | [
[]
] | |
3kfpvq | What "generation" star is our Sun? | I understand that a certain number of elements are created when a star goes supernova. What is left over then becomes another star that goes supernova and creates the next level of elements, rinse and repeat. How many of these cycles have we been through to create the natural elements that exist on Earth?
On reflectio... | askscience | https://www.reddit.com/r/askscience/comments/3kfpvq/what_generation_star_is_our_sun/ | {
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"text": [
"The Sun is a Population I star, meaning it contains metals from previous generations of stars. By measuring the spectral characteristics of stars, we can observe the ratios of metals to hydrogen or helium, and from this, we can determine how many... | [] | [] | [
[
"http://hyperphysics.phy-astr.gsu.edu/hbase/starlog/pop12.html"
]
] | |
3nepjr | why do we have sports commentators on television that talk non stop during the games? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3nepjr/eli5_why_do_we_have_sports_commentators_on/ | {
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"text": [
"Probably carry over from before people could watch games on their television. The commentators would give a play by play to those listening on the radio. And now it is tradition. Though they're supposed to be \"analyzing\" t... | [] | [] | [
[],
[]
] | ||
2xvglf | How do we perceive things through light bouncing off of the objects we see and entering our eyes? | I know that we see objects because light bounces off of them and enters our eyes. But there are many objects out there, all bouncing light into our eyes. How do we make sense of it all? Why don't we just see a blur of color? I'm in my living room - I see a TV, computer, books, a table, etc. They are all bouncing l... | askscience | http://www.reddit.com/r/askscience/comments/2xvglf/how_do_we_perceive_things_through_light_bouncing/ | {
"a_id": [
"cp4jrcc"
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"score": [
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"text": [
"The secret to the eye being able to resolve things is the fact that the pupil is really small. [Look at this image](_URL_0_) of how a pinhole camera works. Your eye is much the same- replacing the pinhole with pupil. \n\nImagine a red light up ab... | [] | [] | [
[
"https://www.teachengineering.org/collection/cub_/lessons/cub_images/cub_soundandlight_lesson08_activity1_image1.jpg"
]
] | |
1o87z3 | What is e in regards to natural logarithms? | I know that it is 2.71828, but what does it mean? Why is it important? | askscience | http://www.reddit.com/r/askscience/comments/1o87z3/what_is_e_in_regards_to_natural_logarithms/ | {
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"text": [
"Oh this is such a fun question!\n\nThe number's importance starts with one key observation. \n\nLet a > 0 be a real number, we can define a function f(x)=a^... | [] | [] | [
[],
[],
[],
[],
[
"http://www.wolframalpha.com/input/?i=plot+e%5Ex+from+0+to+10"
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23awmx | How did most Medieval kings die? | During the Middle Ages/Medieval Era, what was the most likely way a King would die in a place like Western Europe? Assassination, poison, battle, old age, etc? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/23awmx/how_did_most_medieval_kings_die/ | {
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"text": [
"Edited to remove typos.\n\nYour question is far too broad for anyone to answer (at least to the standard expected). I'm sorry. To explain: 1) the death of major figures is not always clear cut. 2) this means a respondant re... | [] | [] | [
[],
[]
] | |
19t45f | Is the Mandate of Heaven directly responsible for the technological and philosophical advances in the early history of dynastic China? | The Mandate of Heaven prompted long periods of political unity. Is this political unity what made China such a powerhouse in technical innovations and philosophy in the last three thousand years? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/19t45f/is_the_mandate_of_heaven_directly_responsible_for/ | {
"a_id": [
"c8r2h95"
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"score": [
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"text": [
"I think you have elevated the mandate to a height that it doesn't deserve. Innovations in China did not depend at all on unification. Some examples: \nThe great advances in military tactics, poetry, and paper all occurred in the six dynasties pe... | [] | [] | [
[]
] | |
8dab6t | Is there an increased risk of lung cancer by just being in a room that smells like cigarette smoke with no one actually smoking in it? | askscience | https://www.reddit.com/r/askscience/comments/8dab6t/is_there_an_increased_risk_of_lung_cancer_by_just/ | {
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"Yes it appears so;\n\n\" \n\nResearchers now know that residual tobacco smoke, dubbed thirdhand smoke, combines with indoor pollutants such as ozone and nitrous acid to create new compounds. Thirdhand s... | [] | [] | [
[
"https://news.nationalgeographic.com/news/2014/03/140320\\-thirdhand\\-smoke\\-cigarettes\\-cancer/",
"https://news.nationalgeographic.com/news/2014/03/140320-thirdhand-smoke-cigarettes-cancer/"
],
[
"https://www.scientificamerican.com/article/what-is-third-hand-smoke/"
],
[]
] | ||
395eaq | how did children from completely different parts of the world come up with the exact-same schoolyard games? | We all played the same games with eerily identical names and rules, like "blind man's bluff", "bulldog", "the floor is lava" etc. How did we all come up with these games? Seems improbable that they'd all stem from one source and spread out from school-to-school in such a short timespan. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/395eaq/eli5_how_did_children_from_completely_different/ | {
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5,
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"text": [
"Think you are underestimating both the time these games have been around for and the extent to which families move around.",
"Kids talk to other kids and go to summer camp. Stuff like that packed with games their parents... | [] | [] | [
[],
[]
] | |
ql8ry | Why are there only 4 "letters" of DNA? | Inspired by this video [Poetry of Science](_URL_0_) with Dawkins and Neil Tyson. Roll it back a few minutes if you want to see what sparks them talking about life on mars, but my question stems from the comment "it would be a disappointment if we found life on mars to have evolved with the SAME dna code".
I have a les... | askscience | http://www.reddit.com/r/askscience/comments/ql8ry/why_are_there_only_4_letters_of_dna/ | {
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"Only 4 different nitrogenous bases might seem like too few to encode the diverse complexity of life, but your computer is coded completely in binary (1s and ... | [] | [
"http://www.youtube.com/watch?feature=player_detailpage&v=9RExQFZzHXQ#t=2245s"
] | [
[],
[],
[
"http://www.reddit.com/r/askscience/comments/q0nd6/why_is_dna_not_in_binary_wouldnt_one_base_pair_be/"
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[
"http://en.wikipedia.org/wiki/Nucleic_acid_analogues"
],
[]
] | |
1yo5jl | If you were placed in a room with 30% oxygen and 70% helium, would you be able to breathe normally? | askscience | http://www.reddit.com/r/askscience/comments/1yo5jl/if_you_were_placed_in_a_room_with_30_oxygen_and/ | {
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"text": [
"Yes; you can breathe this just fine. Deep sea divers utilize HeliOx to avoid nitrogen narcosis. You would take funny, but could breathe it just fine at least short term.\n\nThis assumes that you're bre... | [] | [] | [
[],
[],
[
"http://www.ncbi.nlm.nih.gov/m/pubmed/16013687/?i=3&from=/15181400/related"
]
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6v8wpr | What parts of WW2 fighter aircraft were armored? | From what I understand some fighters had virtually no armor (say the A6M Zero) or self-sealing fuel tanks, but other fighters had a armor plates (say behind the pilot), more rugged construction (say thicker metal on the wings, fuselage, "armored" windscreens [I take that to mean thick glass?], etc).
Were there typical... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6v8wpr/what_parts_of_ww2_fighter_aircraft_were_armored/ | {
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"For the most part there was very little armor included in fighter aircraft of WWII. The Japanese Ki-43-II only had a single 13mm steel plate behind the pilot. Even planes renowned for their ruggedness such as the P-47 had only minor armor. The P-... | [] | [] | [
[
"https://youtu.be/-v5aMayFrRE"
]
] | |
1o2w1a | Why is a lump of coal black, but a diamond is clear? | askscience | http://www.reddit.com/r/askscience/comments/1o2w1a/why_is_a_lump_of_coal_black_but_a_diamond_is_clear/ | {
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"text": [
"Coal is a sedimentary rock composed of many minerals. Diamond is a mineral composed of a carbon-based crystal structure. If impurities are present in that structure, the clarity of diamond (or any min... | [] | [] | [
[],
[],
[
"http://en.wikipedia.org/wiki/Polycyclic_aromatic_hydrocarbon",
"http://www2.chemistry.msu.edu/faculty/reusch/VirtTxtJml/Spectrpy/UV-Vis/spectrum.htm",
"http://en.wikipedia.org/wiki/Phenolphthalein",
"http://www2.chemistry.msu.edu/faculty/reusch/VirtTxtJml/Spectrpy/Images/polyarom.gif"... | ||
5ms8zb | Why was the SA and SS allowed/accepted in Germany before Hitler ultimately took power in 1933? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5ms8zb/why_was_the_sa_and_ss_allowedaccepted_in_germany/ | {
"a_id": [
"dc7bvem"
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"text": [
"The Republic did have the legal power to ban both of these organizations as early as 1922. The *Republikschutzgesetz* (Law for the Protection of the Republic) gave both the *Land* and central governments broad authority to suppress organizations ... | [] | [] | [
[]
] | ||
364r80 | credit score lookup. why does it impede your credit score? seems like a basic, no hassle thing to find like checking your bank account. | Why is this such a big deal considering it's all numbers based on an algorithm? Seems like such a benign thing to check up on being your average American consumer. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/364r80/eli5_credit_score_lookup_why_does_it_impede_your/ | {
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"There's two types of credit checks. \"Soft\" checks are done when you want to look at your score or somebody's doing a background check on you. \"Hard\" checks are done when somebody's checking your s... | [] | [] | [
[],
[],
[]
] | |
816efp | How , and how often, did American GIs clean their rifles in WWII? | I've read a lot of different accounts of how they contended with corrosive ammo, but nothing consistent on the process they actually *used* in the field. Also, how often were they expected, or were able to clean them in a combat zone? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/816efp/how_and_how_often_did_american_gis_clean_their/ | {
"a_id": [
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"score": [
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"text": [
"You might be best served by posting this in r/guns. ",
"As with today, the [field manuals](_URL_1_) outline the expected care for issued rifles and equipment. \n\nAs an example: \nFM 23-6 covers the M1917 .30 Enfield \... | [] | [] | [
[],
[
"https://www.ibiblio.org/hyperwar/USA/ref/TM/index.html",
"http://www.ibiblio.org/hyperwar/USA/ref/FM/",
"https://archive.org/details/1944TM9-1270"
]
] | |
7aa9nz | how are car batteries able to be charged up with a jump start, if car batteries use chemicals for energy? | I am confused about Car Batteries and how they get external charged by other electrical sources if a car battery's electricity is chemical based. Can you eli5? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7aa9nz/eli5_how_are_car_batteries_able_to_be_charged_up/ | {
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"In a battery, you have electrons moving from one of these chemicals to the other (it's a one-way road), and that motion is the \"electricity\" we use.\n\nThink of the chemicals as... | [] | [] | [
[],
[],
[],
[]
] | |
254vv3 | Are there any organisms that live their entire existence in the air? | askscience | http://www.reddit.com/r/askscience/comments/254vv3/are_there_any_organisms_that_live_their_entire/ | {
"a_id": [
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"score": [
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"text": [
"There are living bacteria in clouds. I don't think any are native to clouds, but I wouldn't be surprised if a fair number spend an entire generation (the duration of a bacteria's \"life\" is a bit hard to define) suspended in the air."
]
} | [] | [] | [
[]
] | ||
5ihjqb | lightspeed | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ihjqb/eli5_lightspeed/ | {
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"score": [
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"text": [
"The absolute speed limit of the universe, very close to 300,000,000 meters per secend. It is the most accurately known physical constant."
]
} | [] | [] | [
[]
] | ||
fgetr | Where does (more) space come from? | I've read that the universe is expanding. Where does more space come from in such inflation? I am familiar with the concepts but not the mathematics of quantum physics, but can't really understand if more space is our perception of time passing, if it's dark energy at work, what the universe is expanding into, who kn... | askscience | http://www.reddit.com/r/askscience/comments/fgetr/where_does_more_space_come_from/ | {
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],
"score": [
3
],
"text": [
"Its more like the space we have is stretching than more space is being added. "
]
} | [] | [] | [
[]
] | |
792y84 | I mostly know the "Magic Bullet" theory of the JFK assassination from the Seinfeld parody. What is the conspiracy theorists' claim, and why is it wrong? | I know that the general claim is "the path of the bullet that hit Kennedy is physically impossible, so there must have been a second gunman" and I know that the consensus is that this claim is wrong, but that's just about all I know. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/792y84/i_mostly_know_the_magic_bullet_theory_of_the_jfk/ | {
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"text": [
"Follow-up: when did this theory rise to prominence? Is it just with the film JFK? Or had it been in the public consciousness for a while?",
"The magic bullet theory is, indeed, the claim that the trajectory of the bul... | [] | [] | [
[],
[]
] | |
4mw0jf | renouncing citizenship | I have a few questions about renouncing citizenship (I don't plan on it, just curious) in the United States:
- Why would someone do it?
- Is it necessary to become a citizen of another country?
- What are the consequences?
- What are the benefits?
- Can you still live in the US after renouncing citizenship?
- Can you... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4mw0jf/eli5_renouncing_citizenship/ | {
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"text": [
"1. It sometimes has benefits. Some countries don't allow for dual citizenship, so you must renounce your old one to get a new one. In some cases having a foreign citizenship can bar you from certain jobs, especially dealing with secret government... | [] | [] | [
[]
] | |
22p4yv | i was recently diagnosed with coeliac (gluten allergy) and of course need to change my diet. how does this come about when for the last 30 years or so i was fine? | Can you 'catch' an allergy? Has it always been there and something set it off?
EDIT - Thanks for all the replies (even the daft ones!) I have a lot of reading to do still! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/22p4yv/eli5_i_was_recently_diagnosed_with_coeliac_gluten/ | {
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"ELur5? Honestly, we don't know. The genetic markers for Celiac are fairly common, but most people with those ge... | [] | [] | [
[],
[
"http://celiacdisease.about.com/b/2013/09/03/can-stress-trigger-celiac-disease.htm"
],
[],
[],
[
"http://creativecookinggf.wordpress.com"
],
[],
[]
] | |
4vb95b | What would the world be like if the Planck Constant were large enough to experience "quantum weirdness" at a macroscopic scale? | Also, would it be possible to simulate such a world, in the same vein as [A Slower Speed of Light](_URL_0_), with modern physics and computing technology. | askscience | https://www.reddit.com/r/askscience/comments/4vb95b/what_would_the_world_be_like_if_the_planck/ | {
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"text": [
"Two points:\n\nIt may sound pendantic, but you cannot imagine changing fundamental dimensionful constants, like hbar or c. Their value is meaningless, being just a property of your system of units. All speeds in the universe are proportional to ... | [] | [
"http://gamelab.mit.edu/games/a-slower-speed-of-light/"
] | [
[]
] | |
2v2hhh | Does the sun get uniformly dense as we get closer to the core? | We obviously can't get to the core or anything like that, I just don't know how else to phrase the question. Assuming we put some magical physics powder on a spaceship, would we go from floating in space to "flying in the air" of the sun to "swimming in the ocean" of the sun to "standing on the surface" of the sun? Or ... | askscience | http://www.reddit.com/r/askscience/comments/2v2hhh/does_the_sun_get_uniformly_dense_as_we_get_closer/ | {
"a_id": [
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"text": [
"The main effect is that it has to achieve balance between outward pressure and inward pointing gravity. If you go through the math, you get that it will be most dense at the center. If you want an image, NASA has a nice one [here](_URL_0_). Note ... | [] | [] | [
[
"http://solarscience.msfc.nasa.gov/images/Dalsgaard1_density_vs_r.jpg"
]
] | |
56g3ta | Does a massless particle traveling through a medium experience the passage of time? | For example, if a photon is slowed traveling through a medium it is moving slower than C. So would it experience time? | askscience | https://www.reddit.com/r/askscience/comments/56g3ta/does_a_massless_particle_traveling_through_a/ | {
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"text": [
"Photons don't exist outside of time! They don't have a reference frame, which is more an artifact of the way we define reference frames against c. It's sort of a vacuous statement anyway-- one moment is like any other for a... | [] | [] | [
[],
[]
] | |
3zkze8 | Are there other historical instances of the "model minority" phenomenon? | The holding up of Asian Americans as "good minorities" by those who are bigoted against "bad minorities" has been a part of American racial relations for at least 3 decades. Have there been similar phenomena throughout history, in countries with multiple minorities? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3zkze8/are_there_other_historical_instances_of_the_model/ | {
"a_id": [
"cyn6cg8"
],
"score": [
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"text": [
"Oddly enough, Armenians in the Ottoman Empire were considered the model Christian minority prior to the emergence of the Armenian Question in the late 19th century. They even earned the epithet of *millet-i sadıka*, \"the loyal millet\", millet h... | [] | [] | [
[]
] | |
3604id | During the fall of Germany, was there a population flight from places likely to be taken by the Red Army to places likely to be taken by the Anglo-Americans? | Also, were there attempts in the military to get transfers away from cities likely to fall to the Russians? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3604id/during_the_fall_of_germany_was_there_a_population/ | {
"a_id": [
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"score": [
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"text": [
"After the death of Hitler the new Reichspraesident Doentiz, actively moved soldiers from the Eastern Front to the Western Front so that they could surrender to the Western Allies. However, civilians were largely left to fend for themselves. Doe... | [] | [] | [
[]
] | |
94sbao | how does self-disappearing ink work? | I got one of these pens for free with a calligraphy practice workbook. After about 5 minutes, the ink just vanishes as if nothing was written. I've tried it on multiple different papers and the same result occurs so it shouldn't have to do with a specific kind of paper. How does this happen? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/94sbao/eli5_how_does_selfdisappearing_ink_work/ | {
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"text": [
"Disappearing ink is usually reacting to carbon dioxide in the air around us, creating carbonic acid through an interaction with an agent in the ink, which causes it to \"disappear\" as sodium carbona... | [] | [] | [
[],
[],
[]
] | |
29uto4 | competitive eating. how can people eat so much in one sitting? what happens to their stomachs and bodies after eating so much? and why does it seem that so many competitive eaters are very skinny? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/29uto4/eli5_competitive_eating_how_can_people_eat_so/ | {
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"score": [
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299,
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"text": [
"a lot of competitive eaters stay active outside of the eating events",
"They are able to eat so much because... | [] | [] | [
[],
[],
[],
[
"http://espn.go.com/video/clip?id=espn:11175224"
],
[
"http://www.amazon.com/gp/aw/d/0312339682?pc_redir=1404367240&robot_redir=1"
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[],
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4cbelj | abortion as a costitutional right | Before anyone gets mad, I do believe, very firmly in fact, that access to abortion is a basic human right, but I don't have a firm enough grasp on the constitution to understand how it protects a womans right to an abortion, given that it was written in a time where abortion probably didn't exsist. I understand that an... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4cbelj/eli5_abortion_as_a_costitutional_right/ | {
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"text": [
"Supreme court opinions walk through the logic of how a principle outlined in the constitution applies to a specific case. Roe v. Wade's opinions are [here](_URL_0_).\n\nThe path they take is as follows... | [] | [] | [
[
"https://www.law.cornell.edu/supremecourt/text/410/113"
],
[],
[]
] | |
3f94wq | if i didn't know something was illegal, how could i get in trouble for it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3f94wq/eli5_if_i_didnt_know_something_was_illegal_how/ | {
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"text": [
"Not knowing the law is not, in itself, a defense. This is a pretty important legal principle, important enough to [have its own Latin ph... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Ignorantia_juris_non_excusat"
],
[],
[],
[],
[],
[]
] | ||
521a27 | how much of the currency in films and tv shows is real? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/521a27/eli5_how_much_of_the_currency_in_films_and_tv/ | {
"a_id": [
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"text": [
"Very little, probably. Maybe a few bucks changes hands in this scene or that, but when you see a briefcase full of money it's prop currency that's been specially created not to run afoul of counterfeiting laws."
]
} | [] | [] | [
[]
] | ||
49t2vh | What was the extent of Persian influence on the Deccan Sultanates? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/49t2vh/what_was_the_extent_of_persian_influence_on_the/ | {
"a_id": [
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"text": [
"Persian as in the culture? If so it was huge, not only was it the court language and culture, it was also the language of the arts and sciences, thanks in part to a massive influx of Persian immigrants (brain drain?) that mi... | [] | [] | [
[],
[]
] | ||
35tfl6 | How common would water-borne diseases such as Cholera have been in cities that used aqueducts such as Rome? Would the drinking water have been that much safer compared to other cities? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/35tfl6/how_common_would_waterborne_diseases_such_as/ | {
"a_id": [
"cr8ciwr"
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"score": [
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"text": [
"History enthusiast here.\n\nOther cities as in other Roman cities?\n\nTo answer your question, considering that the aqueducts were fed by springs quite far away from Rome itself, the possibility of a waterborne illness is quite unlikely. To ente... | [] | [] | [
[
"http://www.romanaqueducts.info/picturedictionary/pd_onderwerpen/hygieneandhealth.htm",
"http://en.wikipedia.org/wiki/Roman_aqueduct"
]
] | ||
2qm8ml | Many facets of American social culture appear to have gotten less "formal" over the course of the last 100 years (male/female dress, reverence for elders etc). Are there any noticeable examples of American society becoming more formal over this time period? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2qm8ml/many_facets_of_american_social_culture_appear_to/ | {
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"score": [
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489,
399,
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"text": [
"I'm curious about whether this is a trend that occurs in oth... | [] | [] | [
[],
[],
[],
[
"http://www.lettersofnote.com/2012/03/skills-of-da-vinci.html?m=1"
],
[],
[],
[],
[],
[]
] | ||
3hqute | why don't we put msg in everything? | In my mind MSG is always connected to Asian Food. But if it's supposed to make everything tastier/more savory, why don't we put that on everything that is savory (meats, broths, soups)? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3hqute/eli5why_dont_we_put_msg_in_everything/ | {
"a_id": [
"cu9qjd4"
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"score": [
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"text": [
"People are stupid and still think it is bad for you. A lot of store bought soups and stocks will still label their product as msg free, even though there is no need to be msg free.\n\nPersonally I do put it on everything. You can get a huge thing... | [] | [] | [
[]
] | |
88eqlm | The nearest star is a little over 4 light years away. Do we know of any solar systems with neighbors that are very close to each other (relative to our proximity with Proxima Centauri)? | askscience | https://www.reddit.com/r/askscience/comments/88eqlm/the_nearest_star_is_a_little_over_4_light_years/ | {
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"text": [
"Okay, I whipped up a little program using [this data set](_URL_2_) that has the positions of stars in our solar ... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Procyon_A",
"https://en.wikipedia.org/wiki/Luyten%27s_Star",
"http://www.johnstonsarchive.net/astro/nearstar.html"
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[],
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"https://en.wikipedia.org/wiki/Stellar_density"
],
[
"https://www.wolframalpha.com/input/?i=\\(\\(4*pi%2F3\\)*\\(4+ly\\)%5E3\\"
... | ||
bkrihp | why do athletes look so much faster on tv compared to live (in-person)? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bkrihp/eli5_why_do_athletes_look_so_much_faster_on_tv/ | {
"a_id": [
"emj1by6"
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"score": [
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"text": [
"Most likely because of the camera movement.\n\n & #x200B;\n\non TV the camera focuses on the player and the rest moves around them. in person, you are already far and you point of view is the whole stadium."
]
} | [] | [] | [
[]
] | ||
3vs02p | what is the largest known individual object in the universe and how you can understand it's true scale? | Some places cite APM 08279+5255 but when I read the wiki page I'm like wuuuuuut | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3vs02p/eli5_what_is_the_largest_known_individual_object/ | {
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"text": [
"YV Canis Majoris is the largest known star we have observed.\n\nIt's as wide as our solar system.",
"_URL_0_\n\nHere's a good gif to understand scale. Thank me later",
"The... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/File:From_earth_to_the_largest_star.gif"
],
[],
[
"https://en.wikipedia.org/wiki/Hercules-Corona_Borealis_Great_Wall",
"https://en.wikipedia.org/wiki/Large_quasar_group",
"https://en.wikipedia.org/wiki/Cosmological_principle"
]
] | |
2tzyf5 | why are motorcycle engines capable of running at such higher rpm than car engines? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2tzyf5/eli5_why_are_motorcycle_engines_capable_of/ | {
"a_id": [
"co3ub2n",
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"score": [
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],
"text": [
"They are smaller and don't have as much metal to sling around. Since they have less mass in order to create the forces required to move it has to have higher RPM's. When you get up to the larger high s... | [] | [] | [
[],
[],
[]
] | ||
5x2pha | how exactly was russia allegedly involved with the presidential election and what did they do? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5x2pha/eli5_how_exactly_was_russia_allegedly_involved/ | {
"a_id": [
"deerbf1",
"deet3un",
"deetgfh",
"deeyomg",
"def8wnj"
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"score": [
16,
15,
155,
2,
17
],
"text": [
"There is supposedly evidence that Russia was involved in hacking the DNC. They released as much damning information from the DNC as they could to try and... | [] | [] | [
[],
[
"https://motherboard.vice.com/en_us/article/all-signs-point-to-russia-being-behind-the-dnc-hack"
],
[],
[],
[]
] | ||
2de1xn | Why can some people flex certain muscles and others can't? | for example, I can move my pecks but some guys can't. | askscience | http://www.reddit.com/r/askscience/comments/2de1xn/why_can_some_people_flex_certain_muscles_and/ | {
"a_id": [
"cjop0oa"
],
"score": [
6
],
"text": [
"Training builds and strengthens neuromuscular connections. If you workout your chest consistently then you should be able to move your pecs."
]
} | [] | [] | [
[]
] | |
43ymuf | How much autonomy did each State in the Holy Roman Empire have with respect to the military? | * Did the individual Imperial States each maintain a standing army?
* Did the States regularly go to war and fight battles against each other? What about against foreign powers such as France? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/43ymuf/how_much_autonomy_did_each_state_in_the_holy/ | {
"a_id": [
"czmfv40"
],
"score": [
2
],
"text": [
"As for your first question, it depends on the era you're talking about. Prior to the Thirty Years War, most states did not have a standing army, but rather formed/hired an army as needed. However, this was not particularly unique within the HRE, ... | [] | [] | [
[]
] | |
a2k2zz | What exactly happened when you got the letter that you were drafted in WWII? | Take me through the whole process. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/a2k2zz/what_exactly_happened_when_you_got_the_letter/ | {
"a_id": [
"eaz5n8i"
],
"score": [
2
],
"text": [
"I answered a question similar to this [here](_URL_0_), but I'll repost it below."
]
} | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/9w3j5o/during_the_draft_in_america_how_did_they_choose/"
]
] | |
1pmma4 | why do some communities trick-or-treat on the day before halloween? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1pmma4/eli5_why_do_some_communities_trickortreat_on_the/ | {
"a_id": [
"cd3ugfw",
"cd40nqh"
],
"score": [
4,
2
],
"text": [
"For safety mostly. If you get a lot of people to Trick-or-Treat the day before you end splitting the number of people up over two days instead of everyone trying to do it all at once.\n\nAlso, it allows parent's to take rea... | [] | [] | [
[],
[]
] | ||
95xgi1 | the mechanisms of voting in the us and the controversy about requiring government id in order to vote | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/95xgi1/eli5_the_mechanisms_of_voting_in_the_us_and_the/ | {
"a_id": [
"e3w4u07",
"e3w50ad",
"e3w56k8",
"e3w5fio",
"e3w6j98",
"e3w7dwh",
"e3w8ktl",
"e3wa2ir",
"e3wbxlx"
],
"score": [
49,
4,
11,
6,
5,
11,
6,
4,
2
],
"text": [
"You have to register to vote a month or 2 before the actual electio... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | ||
6vd07i | why do we have a more intense "falling feeling" in amusement park rides than we do when we are actually free falling like in skydiving or high dives? | ELI5: That feeling around your navel region when you are on a rollercoaster drop. Why is it more intense than when you are just falling through the air as in skydiving? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6vd07i/eli5_why_do_we_have_a_more_intense_falling/ | {
"a_id": [
"dlza8qq",
"dlzbok7",
"dlzhu2i",
"dlzldc7"
],
"score": [
2,
5,
2,
2
],
"text": [
"When you are freefalling you are not falling freely for long until you pick up enough speed for air resistance to matter and stop the feeling of freefall. In fact you have more fre... | [] | [] | [
[],
[],
[],
[]
] | |
1g1qho | Is the smell of cooking food appetizing to babies too young to eat solids? | askscience | http://www.reddit.com/r/askscience/comments/1g1qho/is_the_smell_of_cooking_food_appetizing_to_babies/ | {
"a_id": [
"cag10km"
],
"score": [
10
],
"text": [
"Babies can determine the difference between breast milk and baby formula by smell. They can actually find their way to a nipple to feed on even when they're at a small distance because of the smell. I know this isn't exactly the answer you are... | [] | [] | [
[
"http://www.parentingscience.com/newborn-senses.html"
]
] |
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