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2yq2w8 | When things fall into a black hole, why does it not built up enough kinetic energy to come back to the original position? | Classic physics demonstration of pendulum shows that when an object is falling, it will built up enough kinetic energy to come back to its original position. Classical orbital mechanics also confirm this as bodies in elliptical orbit always come back to the original position and velocity (in ideal cases atleast).
But,... | askscience | http://www.reddit.com/r/askscience/comments/2yq2w8/when_things_fall_into_a_black_hole_why_does_it/ | {
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"There are a couple of ways to look at it. One way is that the potential well for say, a pendulum has finite depth. A black hole is has a singularity, the potential well has infinite depth so you will ne... | [] | [] | [
[],
[],
[]
] | |
9zavo6 | what is the difference between the anti-inflammatory effects of chemicals like curcumin versus nsaids like ibuprofen? | Hello! I'm not sure if this seems like a silly question, but I've started looking into the benefits of an anti-inflammatory diet pertaining to health/disease prevention. There are a wide variety of studies on the use of curcumin, broccoli, et cetera but I don't think I'm understanding something. What is the difference ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9zavo6/eli5_what_is_the_difference_between_the/ | {
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"I think they both lead to the same thing. You can just increase your turmeric intake in your food for the same effect that you'd have in a supplement or a pill. The pill is a specific, calculated, dose whereas you don't know... | [] | [] | [
[],
[]
] | |
mvlkm | When you look at a star in the sky, is it in the actual location you see, or is it really in a different position due to the time it takes light to travel to Earth? | askscience | http://www.reddit.com/r/askscience/comments/mvlkm/when_you_look_at_a_star_in_the_sky_is_it_in_the/ | {
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"Just think of it this way. You aren't seeing the star, you're seeing the light the star gave off. However many thousand/million years ago that light left the star is what you're seeing.\n\nAnd as long as the universe is expa... | [] | [] | [
[],
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6dnedg | What is the maximum achievable Data transfer rate from Mars to Earth? | Mars being a center of attention for human colonization and search for extraterrestrial life, several probes are being planned to be sent to Mars in near future (2020). Once landed, those probes will be able to collect huge amount of interesting data and images. Between Mars (orbiter satellite) and Earth, current data ... | askscience | https://www.reddit.com/r/askscience/comments/6dnedg/what_is_the_maximum_achievable_data_transfer_rate/ | {
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"[500 To 32000 bits per second, according to the nasa website.](_URL_2_)\n\nThe variance is primarily because, the distance between mars and earth varies. In more detail, [the communications channel between earth and mars is essentially modeled b... | [] | [] | [
[
"http://www.isiweb.ee.ethz.ch/archive/massey_pub/pdf/BI321.pdf",
"https://en.wikipedia.org/wiki/Shannon%E2%80%93Hartley_theorem",
"https://mars.nasa.gov/msl/mission/communicationwithearth/data/",
"http://web.stanford.edu/class/archive/ee/ee359/ee359.1062/cup_mimo.pdf",
"https://en.wikipedia.or... | |
5npttd | why does the brain tend to constantly play music on its own ? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5npttd/eli5_why_does_the_brain_tend_to_constantly_play/ | {
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8ctofm | Do cold/flu viruses mutate during a cold? | When you get sick with a cold virus and your immune system is in the midst of battling it, is it possible to give a mutated version of it back to someone that has already had that virus? During the battle, does the virus mutate to a different form due to the battle going on in the body until it is eradicated? | askscience | https://www.reddit.com/r/askscience/comments/8ctofm/do_coldflu_viruses_mutate_during_a_cold/ | {
"a_id": [
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"text": [
"Cold(family: *picornaviridae* genus: *rhinovirus*)and flu viruses(family: *orthomyxoviridae* genera: *influenzavirus A*, *B* and *C*)are dramatically different in mutability and genome organization, so the means by which one... | [] | [] | [
[],
[]
] | |
ymogt | in artist collaborations, what's the difference between featuring, versus, and with? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/ymogt/in_artist_collaborations_whats_the_difference/ | {
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"text": [
"Versus: is usually a head to head battle. Real time call and response. A guitar head cutting duel or quite simply a mashup remix.\n\nFeaturing: Usually involves song composed and recorded by one artis... | [] | [] | [
[],
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6j7hvb | Is there a school of historical thought that disagrees that the nuclear bombs dropped on Japan were necessary? | Hey I'm resubmitting this after not getting any responses:
I'm sure there are many historians who believe that the bombs being dropped was unnecessary but I was wondering if there was an active historical debate from that side or popular works expressing that view.
I don't know if how I feel is relevant here but I've... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6j7hvb/is_there_a_school_of_historical_thought_that/ | {
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"text": [
"Not to discourage new answers, but there have been some excellent responses to similar questions in the past:\n\n/u/Restricteddata gave us a fascinating response to [\"Did the US have to nuke Japan?\"... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/24gvwd/are_tsuyoshi_hasegawas_conclusions_about_the/ch71h0y/",
"https://www.reddit.com/r/AskHistorians/comments/u6qqo/there_has_been_some_controversy_on_the_true/c4sthrz/",
"https://www.reddit.com/r/AskHistorians/comments/2todt6/did_the_us_have_to_nuke_... | |
cvvn1w | what exactly is happening when you run games/media at 1080p on a 4k tv? | Does it look worse than if it were to be played on a native 1080p monitor/tv? Does it get upscaled? Does it matter at all? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cvvn1w/eli5_what_exactly_is_happening_when_you_run/ | {
"a_id": [
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"text": [
"Your 4K TV is 3840 pixels wide and 2160 pixels high. The image you're feeding it is only 1920 pixels wide and 1080 pixels high. If three quarters of your screen isn't black bars, then that image is being upscaled somewhere.\n\nTypically what's ha... | [] | [] | [
[]
] | |
a8boy5 | Why doesn't the Earth's elliptical orbit affect its temperature (Cause Seasons)? | I keep hearing that the Earth's tilt is responsible for seasons and that the angle of incidence of the sun's rays are the main player.
But, the tilt cause a change of distance of around 5000km whilst Earth's orbit can cause a change of 5000000km.
I don't get how this doesn't play a role in seasons change.
I know the t... | askscience | https://www.reddit.com/r/askscience/comments/a8boy5/why_doesnt_the_earths_elliptical_orbit_affect_its/ | {
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"text": [
"There are a few reasons:\n\nFirst, 5 million km seems like a lot, but it's not that much compared to the average orbital radius of about 150 million km.\n\nSecond, the effect of the planet's tilt isn't... | [] | [] | [
[],
[],
[
"https://earthobservatory.nasa.gov/ContentFeature/EnergyBalance/images/annual_solar_insolation.png"
]
] | |
e9omie | why do third world countries often seem to have such low costs of living? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/e9omie/eli5_why_do_third_world_countries_often_seem_to/ | {
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"text": [
"The largest cost we have in 1st worod countries generally is labor. Things are very expensive in comparison because you have to pay workers more so production, transportation, and distribution all costs significantly more.",... | [] | [] | [
[],
[]
] | ||
5f3cwi | how do smartphones have the whole screen light up? | [Title] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5f3cwi/eli5_how_do_smartphones_have_the_whole_screen/ | {
"a_id": [
"dah6aey",
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"text": [
"The screen is composed of multiple layers. The top layer is the glass. Below that is the pixel array that creates the colors you see on screen. Below that is what's called a diffuse layer, which is usually a piece of semi... | [] | [] | [
[],
[]
] | |
67oekt | why have built-in webcam covers not surged in popularity yet? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/67oekt/eli5_why_have_builtin_webcam_covers_not_surged_in/ | {
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"text": [
"I think offering a built-in cover would be perceived as an acknowledgement that the product is not entirely secure in its own right.\n\nIt's like selling a house with bars on the windows. Makes you won... | [] | [] | [
[],
[],
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] | ||
6b76wh | How is an SD card a limiting factor for transfer speed? | askscience | https://www.reddit.com/r/askscience/comments/6b76wh/how_is_an_sd_card_a_limiting_factor_for_transfer/ | {
"a_id": [
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"text": [
"An SD card is composed broadly of flash memory (an array of transistor-pairs) and a controller. Both of those can impose limitations on transfer speed.\n\nAs for the flash memory itself, because its storing the data in transistors, the frequency ... | [] | [] | [
[]
] | ||
2yxeyt | why doesn't the world get rid of borders? | Obviously I understand the answer here is very complex. You can't just delete 10,000 years worth of history without creating complete and utter chaos. But I would be interested to read what people with more experience in the matter have to say on the subject. What are some big obstacles for integration for our planet? ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2yxeyt/eli5_why_doesnt_the_world_get_rid_of_borders/ | {
"a_id": [
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"score": [
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"text": [
"Sure, let's start by following my rules. Oh, you want to make rules too? Well I don't like your ideas so we will never merge.\n\nNow try integrating a country ruled by a religious dictator who's citizens believe (under penal... | [] | [] | [
[],
[]
] | |
2pmgb0 | medieval nobility | How did the system of nobility and peasanthood arise? How did a family establish itself as 'noble?' What powers and responsibilities were granted to those of noble families? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2pmgb0/eli5_medieval_nobility/ | {
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"text": [
" > How did the system of nobility and peasanthood arise? \n\nIt arose in many, many places and even in the same places many times again and again over history. There's no one answer other than something... | [] | [] | [
[],
[],
[]
] | |
328acm | Why do we refer to China as "Song", "Han", and others instead of the "Chinese Empire"? | This really confused me. We don't really refer to, for example, Byzantium as the "Komnenian Empire" but we refer to China as the "Tang Empire", for example. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/328acm/why_do_we_refer_to_china_as_song_han_and_others/ | {
"a_id": [
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"text": [
"Actually they are referred to as dynasties--the Tang Dynasty, Song Dynasty, etc., just as one refers to Komnenian dynasty--all defined by a familial succession of rulers, e.g. the house of Zhao for the Song. \"Song Empire\... | [] | [] | [
[],
[]
] | |
89i0ne | how do we synchronize our pace when walking next to someone? | I've noticed that more often than not, two people walking next to each other will take their steps simultaneously, syncing together within about 10 steps. Whenever I point it out to my friends and tell one of them to try stepping at a different pace, it's almost as if their brain stops working. They struggle to accompl... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/89i0ne/eli5_how_do_we_synchronize_our_pace_when_walking/ | {
"a_id": [
"dwr2o19"
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"score": [
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"text": [
"I'm pretty sure that's only true for people of similar height.\n\nMy girlfriend is a good 10 inches shorter than me, and so when we walk \"together\", she takes many short steps and I take longer steps."
]
} | [] | [] | [
[]
] | |
24zm3x | can animals get concussions like humans? and if so are the consequences similar? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/24zm3x/eli5_can_animals_get_concussions_like_humans_and/ | {
"a_id": [
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"text": [
"Yes, they can and do. It can be harder to tell, and we don't usually send them for MRI/CT to confirm, so a lot of them go misdiagnosed. But animals with head trauma will become nauseous, lose consciousness, loss of balance, ... | [] | [] | [
[],
[]
] | ||
hbiy7 | Is it possible to un-polarize polarized light? | And if so, what applications might this have? | askscience | http://www.reddit.com/r/askscience/comments/hbiy7/is_it_possible_to_unpolarize_polarized_light/ | {
"a_id": [
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"text": [
"All light is polarized, all the time. What you're thinking of is the process of shining light through a polarizer, which is noting more or less than a filter. It permits photons with a particular polarization to pass through... | [] | [] | [
[],
[]
] | |
1mh7s0 | how does orajel and other numbing gels work? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1mh7s0/eli5how_does_orajel_and_other_numbing_gels_work/ | {
"a_id": [
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"score": [
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"text": [
"Orajel is actually made up of a substance called Benzocaine, which interacts with open nerve endings that sense pain. Benzocaine will basically stops the nerve from sending those impulses of pain by blocking something called a Voltage Dependant S... | [] | [] | [
[]
] | ||
4vd2vw | When I pour cream into my coffee, a small amount skates across the surface away from the point of entry. What causes this? | I witness this every morning when I prepare my coffee and I got to wondering if there's a mathematic/physical description for this effect. Additionally, what would effect the amount of liquid that separates from the stream to stay on the surface - temperature? Viscosity? Velocity of the pour?
Talk to me /r/askscience! | askscience | https://www.reddit.com/r/askscience/comments/4vd2vw/when_i_pour_cream_into_my_coffee_a_small_amount/ | {
"a_id": [
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"text": [
"Argh, this is frustrating! I saw a great talk on this phenomenon at a scientific conference a couple of years ago, but I can't remember the name of the author and a literature search is coming up empty, so I can't cite my sources as required by ... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Leidenfrost_effect"
]
] | |
26nu32 | birds in the northern hemisphere migrate south for the winter. are there birds from the southern hemisphere that migrate north for the summer? what species are they? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/26nu32/eli5_birds_in_the_northern_hemisphere_migrate/ | {
"a_id": [
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"text": [
"Many species of migratory birds breed in Alaska. That's why that proposal to drill for oil in that wildlife refuge was such a big deal.\n\nEdit: The Whimbrel is a good example. It breeds in Alaska and winters as far south as Africa and South Ame... | [] | [] | [
[]
] | ||
6csavd | why does it seem like there are 'cycles' of terrorism? | Since the Paris bombings back in November 2015 it seems like there's been a dramatic uptick in western terrorism recently. However, it seems like there were also significant terrorism concerns in the 1990's until about 9/11 when after that it seemed to lull a bit. What global/economic conditions create conditions that ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6csavd/eli5_why_does_it_seem_like_there_are_cycles_of/ | {
"a_id": [
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"score": [
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"text": [
"Your question is really about perception. Terrorism, to a large extent, has become less about gigantic coordinated attacks like 9/11 and the Madrid train bombings, and generally gotten simpler and simpler until it is an individual or a handful of... | [] | [] | [
[]
] | |
1yv2ir | why are people attracted to furries? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1yv2ir/why_are_people_attracted_to_furries/ | {
"a_id": [
"cfo1bwc"
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"score": [
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"text": [
"People are funny. different strokes for different folks. It's theoretically possible to be attracted to literally anything. Some people just happen to be attracted to furries. "
]
} | [] | [] | [
[]
] | ||
19f4t7 | Black Hole Escape Velocity and the "Graviton" | If the escape velocity of a black hole is greater than the speed of light, would that mean that the force behind gravity is moving faster than the speed of light? If not, what allows gravity to "win?" | askscience | http://www.reddit.com/r/askscience/comments/19f4t7/black_hole_escape_velocity_and_the_graviton/ | {
"a_id": [
"c8nghpn"
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"score": [
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"text": [
"The escape velocity angle on why black holes are inescapable is slightly misleading. The Earth's escape velocity is about 11km/s but an object can escape from Earth at any speed if it has some mechanism for generating thrust during its journey.\n... | [] | [] | [
[]
] | |
3omv11 | will they ever go after the actual person(s) who wrote and built the code for volkswagen to cheat the emissions testing? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3omv11/eli5_will_they_ever_go_after_the_actual_persons/ | {
"a_id": [
"cvymxox",
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"score": [
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2
],
"text": [
"When a company does something wrong, you sue the company, not the CEO, or the manager, or the engineer. This is what's called corporate personhood. So no, they won't go after the person who wrote the code. ",
"While you'... | [] | [] | [
[],
[]
] | ||
4eo5jl | When did humans start falling in love? | According to [this article](_URL_0_), monogamy came with STIs. If that's the case, when did love come along? Did it exist before we became monogamous? Or was it a result *of* monogamy? | askscience | https://www.reddit.com/r/askscience/comments/4eo5jl/when_did_humans_start_falling_in_love/ | {
"a_id": [
"d26wmdg"
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"score": [
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"text": [
"It's an interesting question, but I believe the vagueness of it is why it didn't get answered. First you have to define what love is, then you have to define what monogamy is. I'll put my own answer at the bottom if you don't want to read every... | [] | [
"http://www.cbc.ca/news/canada/kitchener-waterloo/sexually-transmitted-infection-made-monogamy-a-norm-1.3532512"
] | [
[]
] | |
eex3zu | how do trees start out as flimsy sprouts but then change into hard wood? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/eex3zu/eli5_how_do_trees_start_out_as_flimsy_sprouts_but/ | {
"a_id": [
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"score": [
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"text": [
"You have heard the saying that if you cut down a tree, you can count the rings to see how old it is. \n\nEvery year the tree builds another layer onto itself, creating a new ring, thus getting taller, thicker and more sturdy as time goes on."
]... | [] | [] | [
[]
] | |
brjqyn | how do tuning forks stay in tune, and can they ever go out of tune? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/brjqyn/eli5_how_do_tuning_forks_stay_in_tune_and_can/ | {
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3,
5,
3
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"text": [
"When struck the metal reverberates in such a way to produce the correct frequency, the correct tune.\n\nAs for if they can go out of tune? Probably not likely that one youd use would. It would require t... | [] | [] | [
[],
[],
[]
] | ||
oybql | What was the role of the U.K. within the Cold War? | Any references to texts on this subject would also be appreciated. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/oybql/what_was_the_role_of_the_uk_within_the_cold_war/ | {
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"text": [
"In general terms they were a major anti-submarine warfare component of NATO, also some combat units in West Germany and a few nuclear weapons (unguided air dropped and submarine la... | [] | [] | [
[],
[],
[],
[
"http://en.wikipedia.org/wiki/GIUK_gap",
"http://en.wikipedia.org/wiki/Red_Storm_Rising"
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] | |
5p2aha | how did cantonese and mandarin end up with the same characters, but completely different spoken languages? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5p2aha/eli5_how_did_cantonese_and_mandarin_end_up_with/ | {
"a_id": [
"dcnwdev",
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"score": [
2,
10
],
"text": [
"The characters / letters in mandarin work very differently from how English words do. In mandarin the characters have a meaning like \"big\" but it doesn't mean \"big\" this is great since the Chinese empire can then have s... | [] | [] | [
[
"https://youtu.be/GiVs05yq9-o"
],
[]
] | ||
1s8d6y | does the brain use more energy while dreaming due to the fact that it's synthesizing sensations, characters, locations etc.? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1s8d6y/eli5_does_the_brain_use_more_energy_while/ | {
"a_id": [
"cduxgkj"
],
"score": [
2
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"text": [
"No. Even though it might work on the things you mention, it stops worrying about all motor control, doesn't have to worry about sensory input to the same degree, doesn't need to process nearly as much information, it's very quiet up there."
]
} | [] | [] | [
[]
] | ||
1d13a4 | what happened to the simpsons? why do people talk about it going downhill? what changed? | I, myself, haven't seen a Simpsons episode in years and pretty much watched only the first few series which i enjoyed as a kid. However i constantly read now about how it started sucking. Did they sell out? Run out of jokes? Did the good writers leave? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1d13a4/eli5what_happened_to_the_simpsons_why_do_people/ | {
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"text": [
"The show didn't change much. People changed.",
"[The Simpsons Is Still Funny - Pt. 1]... | [] | [] | [
[],
[
"http://www.escapistmagazine.com/videos/view/the-big-picture/5140-The-Simpsons-Is-Still-Funny-Pt-1",
"http://www.escapistmagazine.com/videos/view/the-big-picture/5166-The-Simpsons-Is-Still-Funny-Part-2"
],
[],
[],
[],
[],
[],
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2slcjw | how do opiates like heroin work? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2slcjw/eli5_how_do_opiates_like_heroin_work/ | {
"a_id": [
"cnqkcqp"
],
"score": [
7
],
"text": [
"in the central nervous system (brain and spinal chord) as well as the enteric system (intestinal) there are receptors that bind to normal chemicals (endogenous substances called enkaphalins, which are involved in pain pathways and emotion) in the... | [] | [] | [
[]
] | ||
8vnxw7 | why are some children so resistant to eating? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8vnxw7/eli5_why_are_some_children_so_resistant_to_eating/ | {
"a_id": [
"e1oxxhk"
],
"score": [
7
],
"text": [
"There are a LOT of potential answers to this, and I expect that others will have better explanations. However:\n\n\\- A major and important point of child development is learning to say \"no\" -- essentially, learning that you have control over y... | [] | [] | [
[]
] | ||
3nmdgp | If you had a 343 meter long pole, and pushed one end, would it take one second for the other side to move? | EDIT: Wow... Never thought I would get a post upvoted anywhere near this much, thanks to all of you for the responses, definitely is an interesting thing for me to read about. | askscience | https://www.reddit.com/r/askscience/comments/3nmdgp/if_you_had_a_343_meter_long_pole_and_pushed_one/ | {
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3,... | [] | [] | [
[],
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"http://www.engineeringtoolbox.com/sound-speed-solids-d_713.html"
],
[],
[],
[],
[],
[],
[],
[],
[],
[
"http://youtu.be/Do1lm9IevYE"
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[],
[],
[]
] | |
1path0 | In the pre-modern era, did armies really stop fighting in the winter? | Or did it only happen in particularly bad winters/particularly northern locations? For example, would an army in Egypt really have stopped fighting because it was December? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1path0/in_the_premodern_era_did_armies_really_stop/ | {
"a_id": [
"cd0i1zq",
"cd1erfr"
],
"score": [
14,
2
],
"text": [
"Generally, war did stop in the winter mainly due to the problems involving health and logistics. \n\nDuring the Revolutionary and Napoleonic Wars, troops were sent to barracks or quartered in villages to rest and train as m... | [] | [] | [
[
"http://www.barnesandnoble.com/w/swords-around-a-throne-john-r-elting/1100624204?ean=9780306807572",
"http://www.amazon.com/The-Art-War-Western-World/dp/0252069668/ref=sr_1_1?ie=UTF8&qid=1382855872&sr=8-1&keywords=The+Art+of+War+in+the+Western+World"
],
[]
] | |
dyz1dd | how do targeted ads from things you've searched on a computer get to your phone? how does the tracking process work? | For example yesterday I found myself in a website I'd never been to that sells furniture. I also visited some other furniture sites. Today on my phone all the ads on my apps are for furniture I viewed it the site I'd never heard of before yesterday. How does that work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dyz1dd/eli5_how_do_targeted_ads_from_things_youve/ | {
"a_id": [
"f84a7b4",
"f84amnr"
],
"score": [
7,
4
],
"text": [
"Is your email attached to both devices? Do you have similar accounts between the two? That's how they do it. It's just spamming the devices attached to your accounts.",
"Have you ever logged in to the same account of any... | [] | [] | [
[],
[]
] | |
3isx32 | How do we convert potential and kinetic energy into electricity? | askscience | https://www.reddit.com/r/askscience/comments/3isx32/how_do_we_convert_potential_and_kinetic_energy/ | {
"a_id": [
"cujmdo1"
],
"score": [
7
],
"text": [
"You can spin a magnet (kinetic energy) in a coil of electrically conductive wire and generate an electric current (electricity) through the coil of wire."
]
} | [] | [] | [
[]
] | ||
dic37k | what is the importance of 7nm processors? | I’m usually really on top of things like this (I’m really into new tech and consumer electronics), but I must have gotten lost somewhere. I see a lot of companies like Apple and Microsoft as well as Youtubers like Linus Tech Tips talk about the importance of the introduction of 7nm (or below) processors, but I have no ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dic37k/eli5_what_is_the_importance_of_7nm_processors/ | {
"a_id": [
"f3uornz",
"f3uro6l",
"f3xjol3"
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"score": [
5,
7,
2
],
"text": [
"yes. smaller processors. better performance.\n\nimagine drawing a schematic with a bingo marker. your lines will big and fat and you won't be able to make many wires. now use a sharpie. better ... | [] | [] | [
[],
[],
[]
] | |
2b0c92 | why am i so hungry since i've stopped smoking weed? | I smoked almost daily for about 6 years. On most days I wouldn't eat unless I had smoked earlier. Usually I would only get hungry once or twice every two days. If I tried to eat when I wasn't hungry it felt like I was trying to swallow a mouthful of saltine crackers. Now I haven't been smoking for over 2 weeks and I'm ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2b0c92/eli5_why_am_i_so_hungry_since_ive_stopped_smoking/ | {
"a_id": [
"cj0j7jz",
"cj0j8hp"
],
"score": [
5,
3
],
"text": [
"Did you smoke the weed with tobacco?\nIf so, maybe these are the withdrawal symptoms of the nicotine.\nPlease visit a doctor if you have serious concerns.",
"Maybe weed was your pass time and now eating is"
]
} | [] | [] | [
[],
[]
] | |
20tous | what's happening with the atoms on a mirror when i step in front of it? | I know atoms aren't created, but I have a hard time understanding what's going on at an atomic level when things change in front of a mirror. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/20tous/eli5_whats_happening_with_the_atoms_on_a_mirror/ | {
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"cg6lth6",
"cg6ltus",
"cg6lu8h",
"cg76j7z"
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"score": [
10,
2,
2,
2
],
"text": [
"Nothing is happening to the mirror itself. A mirror just bounces photons (light) off of it. If you throw a tennis ball at a wall and it bounces off the wall, the wall hasn't chang... | [] | [] | [
[],
[],
[],
[]
] | |
2dhrn2 | Are there instances of musicians or music playing an instrumental role in the success of a military battle? | All of the sudden I remembered a story - whether it's from actual history or a book I read a while ago, I don't remember - where one army ambushed another with music from their homeland, greatly inhibiting their will to fight. Or something along those lines. It might have been in Asia and in a mountain pass. Anywho, wh... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2dhrn2/are_there_instances_of_musicians_or_music_playing/ | {
"a_id": [
"cjpn8kt"
],
"score": [
3
],
"text": [
"You're thinking of the Battle of Gaixia, the end of the Chu-Han civil(?) war. The Han forces surrounded the Chu, and played Chu music to remind the weary soldiers of their families. The Chinese idiom 四面楚歌 (literally, \"Chu music on all sides\") i... | [] | [] | [
[]
] | |
4g4wc3 | How much would various medieval items/buildings cost to make/procure in todays money? I.E building a castle, A suit of armor, a sword, chainmail and the padded fabric armors | As above do we know how much kingdoms had in comparison to todays money? I.E a knights "Wages" or general wealth right down to a peasant. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4g4wc3/how_much_would_various_medieval_itemsbuildings/ | {
"a_id": [
"d2eujpl"
],
"score": [
4
],
"text": [
"A few pieces from *The Knight and the Blast Furnace*.\n\nA 9th century Frankish warrior would pay 12 Solidi (an ox was worth about 2 solidi) for his mail armour and another 12 for the rest of his arms (helmet, shield, sword and spear).\n\nAn earl... | [] | [] | [
[]
] | |
1wkbuw | Is there a limit to the amplitude of sound waves? | askscience | http://www.reddit.com/r/askscience/comments/1wkbuw/is_there_a_limit_to_the_amplitude_of_sound_waves/ | {
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38,
512,
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"text": [
"Yes. Sound is a pressure wave, and at high enough pressure a given material with change phase. Gases change to plasma, liquid or solid, for example, depending on the temperatur... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Sound_pressure#Examples_of_sound_pressure_and_sound_pressure_levels"
],
[],
[]
] | ||
396zdf | Was there notable opposition to allowing James VI to ascend to the English throne | Obviously he was the legal heir, but as King of Scotland, there must have been many English who were less than happy! The two countries had gone to war several times over the past centuries, and that even included a border clash during James' reign, as well as a few more in living memory. From what I can find, the pass... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/396zdf/was_there_notable_opposition_to_allowing_james_vi/ | {
"a_id": [
"cs0wrht",
"cs19bi1"
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"score": [
2,
78
],
"text": [
"The main opposition came from English Catholics. The influential exiled Jesuit Robert Persons' popular _Conference about the Next Succession to the Crowne_ (1595) argued in favour of a Catholic successor to Elizabeth. \n\nA... | [] | [] | [
[],
[]
] | |
2pgtd8 | how do you create a new dog breed in the lapse of a human lifespan? | Evolution took millions years to create a wolf, but mankind was able to create doberman in a few years. How is it possible? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2pgtd8/eli5_how_do_you_create_a_new_dog_breed_in_the/ | {
"a_id": [
"cmwiicl",
"cmwin8q"
],
"score": [
2,
2
],
"text": [
"First of all, humans didn't create a doberman out of thin air. The doberman was bred from several existing breeds of dogs:\n\n > The breed is believed to have been created from several different breeds of dogs that had the ... | [] | [] | [
[],
[]
] | |
9640we | how is it possible for people with anxiety to express physical symptoms like shaking or imagining chest pain that isn't there? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9640we/eli5_how_is_it_possible_for_people_with_anxiety/ | {
"a_id": [
"e3xml1z",
"e3xmy42"
],
"score": [
5,
22
],
"text": [
"Muscle contractions and just genereal panic, especially if you aren't used to them. \n\nI have mild anxiety for the most part but the one time I had a full on panic attack, I was sure I was having a heart attack and was dyi... | [] | [] | [
[],
[]
] | ||
5kvnwk | why are amino acids in living things "left-handed" in their chirality? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5kvnwk/eli5_why_are_amino_acids_in_living_things/ | {
"a_id": [
"dbr0ujj"
],
"score": [
2
],
"text": [
"We honestly don't know, it's one of the open questions in the field of biology. One possibility is that a supernovae sometime in our planet's past produced radiation with a certain rotation to it, which selectively destroyed right handed amino ac... | [] | [] | [
[]
] | ||
7kzsry | How many employees did Pablo Escobar have? | When we get to see famous drug lords and other high profiled criminals in movies/series. They were often surrouneded by multiple guards. Was it like that? Guards patrolling roof tops with AK-47's, or was this just Hollywood-style? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7kzsry/how_many_employees_did_pablo_escobar_have/ | {
"a_id": [
"drjb190"
],
"score": [
4
],
"text": [
"It's really difficult to pin a number on how many \"employees\" were under Escobar's control due to the nature of the Mendellin (Escobar's organization) and Cali cartels. Although these cartels are what are generally described as \"vertical organ... | [] | [] | [
[]
] | |
26anxj | Do artificial sweeteners stimulate the brain's reward pathways like sugar does? | askscience | http://www.reddit.com/r/askscience/comments/26anxj/do_artificial_sweeteners_stimulate_the_brains/ | {
"a_id": [
"chqlmyy"
],
"score": [
6
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"text": [
"Yes and no.\n\nIf you feed an animal saccharine, or sham-feed sucrose (they eat it, but it doesn't make it to the stomach), you'll get a response in the dopamine \"reward pathway.\" Saccharine-water is tasty to animals, and they prefer it to wat... | [] | [] | [
[
"http://home.uchicago.edu/jabeeler/Beeler_EJN_taste.pdf"
]
] | ||
5ptusw | how can someone find me on reddit without my username? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ptusw/eli5_how_can_someone_find_me_on_reddit_without_my/ | {
"a_id": [
"dctsx4y"
],
"score": [
2
],
"text": [
"Clarification. Given your verb tense, are we to understand that you've been ID'd in some way? That this happened?"
]
} | [] | [] | [
[]
] | ||
1r1skg | when i breath in is it the air that enters my lung that expands it or is the air entering because i have expanded my lungs by some muscle activity. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1r1skg/eli5_when_i_breath_in_is_it_the_air_that_enters/ | {
"a_id": [
"cdipe44"
],
"score": [
2
],
"text": [
"Muscles pull down to expand your lungs, creating a vacuum and pulling air in. When those muscles relax, the lungs collapse back to normal atmospheric pressure and all the bonus air leaves."
]
} | [] | [] | [
[]
] | ||
6svtog | if uranium is radioactive for millions of years, why do nuclear reactors go through spent rods so quickly? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6svtog/eli5_if_uranium_is_radioactive_for_millions_of/ | {
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18,
40,
6,
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"text": [
"Being radioactive is not the same as undergoing fission.\n\nThe fact that it is radioactive means that, over time, it will release som... | [] | [] | [
[],
[],
[],
[],
[
"https://xkcd.com/1162/"
],
[]
] | ||
375zpq | the charlie charlie challenge. | I know what it is but try to explain what is happening exactly. Also a rational explanation for this would be cool too | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/375zpq/eli5_the_charlie_charlie_challenge/ | {
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"score": [
12,
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],
"text": [
"The best explanation I have found is [here](_URL_0_).\n > You’ve probably heard of using a Ouija board to contact spirits, but I bet you haven’t heard of using pencils to have ... | [] | [] | [
[
"http://pencils.com/pencil-game-charlie-charlie/"
],
[],
[
"https://www.youtube.com/watch?v=JMlj9f4ZOl4"
],
[]
] | |
46chla | What was the favored weapons of Native Americans around the time that the English in the Jamestown colony arrived. | And a bit more than just 'bows,' if I may ask? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/46chla/what_was_the_favored_weapons_of_native_americans/ | {
"a_id": [
"d04djsc"
],
"score": [
3
],
"text": [
"This answer is specifically for the Powhatan in Virginia, rather than Native Americans as a whole:\n\nTo start with the bows, they were made of locust or witch hazel and were nearly as tall as the archer himself. Contemporary illustrations usuall... | [] | [] | [
[
"http://cdn.iofferphoto.com/img3/item/172/529/005/native-american-17th-century-ball-head-war-club-2bdd.jpg",
"https://books.google.com/books?id=klsGAMsg77IC&pg=PA124",
"http://faculty.vassar.edu/robertso/Poca/Eiakintomino1.jpeg",
"http://www.forensicfashion.com/files/1622PowhatanChiefTomahawkV... | |
a4foje | why are most holidays in the fall and winter seasons compared to the spring and summer seasons? | Doesn’t it make more sense for the distribution of holidays be balanced throughout the year instead having them be clustered in only two seasons? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a4foje/eli5_why_are_most_holidays_in_the_fall_and_winter/ | {
"a_id": [
"ebdzxsb",
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"score": [
14,
5,
3
],
"text": [
"Both of those seasons have a different reason. All of our modern major holidays line up with the old pagan holidays. A few were just thrown in later (looking at you, family day) But most of the establi... | [] | [] | [
[],
[],
[]
] | |
2kh3xw | why are headaches the symptoms of so many illnesses? | Suddenly thought of this as I lay in my bed with a headache. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2kh3xw/eli5_why_are_headaches_the_symptoms_of_so_many/ | {
"a_id": [
"cll9c4d"
],
"score": [
5
],
"text": [
"Your brain has very specific needs regarding oxygen and sugar in the blood as well as blood pressure, etc. It is more vulnerable when things begin to go wrong than muscles, bones, etc in the rest of the body are.\nNot only is it vulnerable, the b... | [] | [] | [
[]
] | |
mkcwe | Has there ever been scientifically observed heightened sensory activity in people who are blind/deaf etc.? | I was prompted by the blind kitten playing with the ball video to realize that I have always just seemed to nod my head in agreement when hearing that sentiment that blind people have heightened hearing and things of this nature. Has there ever been any example of brain activity observed in people with these circumstan... | askscience | http://www.reddit.com/r/askscience/comments/mkcwe/has_there_ever_been_scientifically_observed/ | {
"a_id": [
"c31munw",
"c31munw"
],
"score": [
2,
2
],
"text": [
"[Random example of said observation](_URL_0_)",
"[Random example of said observation](_URL_0_)"
]
} | [] | [] | [
[
"http://www.cogneurolab.com/sitebuildercontent/sitebuilderfiles/Van%20Boven%202000.pdf"
],
[
"http://www.cogneurolab.com/sitebuildercontent/sitebuilderfiles/Van%20Boven%202000.pdf"
]
] | |
2o7nob | how does the internal architecture of a cpu effect the speed it can process things? | How does a CPUs internals effect how fast it can process code or the commands given it? And the like nm size of it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2o7nob/eli5_how_does_the_internal_architecture_of_a_cpu/ | {
"a_id": [
"cmkhwab"
],
"score": [
2
],
"text": [
"I'll start with the nm size. At a very basic level, your CPU is built of billions of little switches, grouped together to perform logical functions (AND, OR, NOR etc.). The way these switches are built are basically two pools of electrons, separa... | [] | [] | [
[]
] | |
1rzc2a | why at a sports game (football, baseball, basketball, etc.) is the away team affected by noise more than the home team? | Why does noise play a factor? Would the effect change if the rolls were changed?
Ex: Team A(home team) vs Team B(away team)
Team A has the noise advantage because it's the home team therefore; Team B wont play as well.
So if the rolls were switched
Team B is now the home team and Team A is now the away team.
So now do... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1rzc2a/eli5_why_at_a_sports_game_football_baseball/ | {
"a_id": [
"cdsedrt",
"cdseegd",
"cdsf2o7"
],
"score": [
3,
2,
3
],
"text": [
"The fans (ideally) will only be loud when it's advantageous for their team. For instance, in football it's generally considered that the offense needs to communicate a lot more through audibles and the ... | [] | [] | [
[],
[],
[]
] | |
49xz3m | How many dresses did a medieval woman have? | How many kirtles, how many gowns? How many chemises? In any station, in any century, in any (European) country. How did a peasant's wardrobe compare to that of a wealthy trader's wife, or a knight's wife, or that of a princess?
Thanks :) | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/49xz3m/how_many_dresses_did_a_medieval_woman_have/ | {
"a_id": [
"d0w4z28",
"d0w7jtu",
"d0wan53"
],
"score": [
6,
27,
19
],
"text": [
"I think it would really help to be more specific with this question, \"any medieval\" time period and any (presumably European) country and 4 occupations is simply an obscenely broad spectrum to attem... | [] | [] | [
[],
[],
[
"http://elizabethancostume.net/cyte/search/node/smock%20synonym%3A1%20books%3A249",
"http://elizabethancostume.net/cyte/node/249",
"http://elizabethancostume.net/cyte/search/node/gown%20books:249%20synonym:1%20resultformat:1",
"http://www.elizabethancostume.net/cyte/node/312",
"htt... | |
7usu1j | How effective is the rabies vaccine? Does it confer long-term immunity? | Due to conflicting information, I was hoping someone could tell me how effective the rabies vaccine is, and its ability to produce long-term immunity in the recipient.
If a recipient seroconverts, is post-exposure prophylaxis still required?
Thank you | askscience | https://www.reddit.com/r/askscience/comments/7usu1j/how_effective_is_the_rabies_vaccine_does_it/ | {
"a_id": [
"dtocox3",
"dtourkp"
],
"score": [
3,
3
],
"text": [
"Not all vaccines are protective, some just slow the progression or reduce the signs to reduce transmission or to reduce morbidity/mortality. \n\nRabies is sort of like that. The vaccine does result in serum antibody; however... | [] | [] | [
[],
[]
] | |
5szjc8 | What did pirates and imperial naval armies do for sun block? Surely skin cancer was rife? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5szjc8/what_did_pirates_and_imperial_naval_armies_do_for/ | {
"a_id": [
"ddj8uus"
],
"score": [
13
],
"text": [
"This has been asked a couple of times before, but the short answer is that most sailors would have worn clothes that covered nearly all their body, even in tropical latitudes, including broad-brimmed hats. Their feet and hands would have been ba... | [] | [] | [
[
"http://imageweb-cdn.magnoliasoft.net/nmm/supersize/pw3734.jpg",
"http://imageweb-cdn.magnoliasoft.net/nmm/supersize/pw4195.jpg",
"https://www.reddit.com/r/AskHistorians/comments/2pdr6j/how_did_the_sailor_suit_develop/",
"https://www.reddit.com/r/AskHistorians/comments/36dyap/how_did_sailors_in_th... | ||
1csd8d | What is the cumulative difference in time between Earth and either voyager spacecraft? | Both craft have been under different amounts of gravity than what is present on earth. If we compared atomic clocks between earth and either voyager craft, how much would time differ between them? | askscience | http://www.reddit.com/r/askscience/comments/1csd8d/what_is_the_cumulative_difference_in_time_between/ | {
"a_id": [
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"score": [
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"text": [
"[This](_URL_0_) is a related past discussion.\n\n[This](_URL_1_) has some math to give a general idea of how much time dilation the Voyager probes will have experienced.\n\nVoyager I's been travelling for about 35.5 years at about 57,500 km/h, wh... | [] | [] | [
[
"http://www.reddit.com/r/askscience/comments/gxhpw/do_the_voyager_spacecraft_experience_time/",
"http://www.emc2-explained.info/Time-Dilation-at-Low-Speeds/index.htm#.UXO9lrX_l8E"
]
] | |
fh8kqc | The American Civil War is Usually Thought of as Kin vs Kin, Brother vs Brother, Why Don't We Hear This Aspect of other Civil Wars? | I can understand a lot of wars back before the formation of nation-states/feudalism having a lot of kin vs kin and the reason why it isn't really covered. These cadet branches kinda hated each other.
Later, after feudalism, we see the start of nation-states and I can imagine officers during the Austro-Prussian Wars/W... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/fh8kqc/the_american_civil_war_is_usually_thought_of_as/ | {
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" > We don't hear this aspect of other Civil Wars\n\nWe do hear about this for other civil wars. A brief superficial basic-facts-only coverage might well not include it, but a more detailed treatment often will. For example, one can read about th... | [] | [] | [
[]
] | |
8gl0u7 | Machiavelli. Anybody enjoy talking about "the Prince" and its author? I'm eager to hear from someone who loves the political figure or hates how he's been inaccurately represented. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/8gl0u7/machiavelli_anybody_enjoy_talking_about_the/ | {
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"text": [
"Sorry, your question was removed for being out of scope here. From our rules: \n\n > Submissions to /r/AskHistorians must be either:\n\n > * A **question** about the human past\n\n > * A **meta post** about the state of the ... | [] | [] | [
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]
] | ||
qjdl6 | How authoritarian Central Asian regimes have managed to maintain power since the 1990s | Basically, how dictators in countries such as Uzbekistan, Kazahkstan, and (until more recently) Kyrgyzstan, have managed to stay in power since the collapse of the USSR. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/qjdl6/how_authoritarian_central_asian_regimes_have/ | {
"a_id": [
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"text": [
"I don't see anyone really commenting, so I'm just going to throw out an opinion here (informed opinion, but still - an opinion).\n\nNobody gives a shit.\n\nCountries that have minimal natural resources, that are not actively... | [] | [] | [
[],
[]
] | |
3id7pw | How are all of the fossil fuels condensed into certain large areas around the world and not small pools everywhere? | It's like all of the organisms died in one spot. Not sure if I got my question across well enough. | askscience | https://www.reddit.com/r/askscience/comments/3id7pw/how_are_all_of_the_fossil_fuels_condensed_into/ | {
"a_id": [
"cufissr"
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"text": [
"Simplistically speaking, it's because organisms did die in one spot (or a few spots, rather).\n\nTo be more precise - there are tiny pools of oil all over. What we extract is the economically viable ones - the places where there's a relatively la... | [] | [] | [
[]
] | |
1gdtcf | Why does peanut butter turn whitish under water? | askscience | http://www.reddit.com/r/askscience/comments/1gdtcf/why_does_peanut_butter_turn_whitish_under_water/ | {
"a_id": [
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"text": [
"The oil in the peanut butter is hydrophobic, and thus thin layers of water and oxygen form on the surface where the water gets repelled. "
]
} | [] | [] | [
[]
] | ||
7x9euz | Is it seen as acceptable for historians to describe historical relationships between men and boys as homosexual or gay? | I notice a number of historians describing Greek or Roman relationships as homosexuality. Hadrian for example often seems to be described as simply gay. I can't help thinking that these same historians would frown on describing relationships with boys as a facet of homosexuality. Is there another term in use? I kno... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7x9euz/is_it_seen_as_acceptable_for_historians_to/ | {
"a_id": [
"du6i9la"
],
"score": [
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"text": [
"There's a lot of contention about whether it's even acceptable to describe historical relationships between adult men (or, I guess, same-aged boys) as gay or homosexual. or whether those terms are anachronistic/ahistorical/imprecise. This isn't ... | [] | [] | [
[]
] | |
2m3m9t | how can lego and other animated movies that i see all over netflix use spiderman and other characters in their films with the avengers characters when it's a "rights" issue for live action films? | If I'm not mistaken, Sony owns the rights to Spiderman/X-Men properties while Disney owns the other Avengers characters...which is why we won't see them together on the big screen.
So what makes it ok for these animated, particularly Lego, films to do what many of us want to see in the live action blockbusters? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2m3m9t/eli5_how_can_lego_and_other_animated_movies_that/ | {
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"text": [
"Because Marvel didn't sell the animation rights to Sony. I am sure they would have, if Sony was willing to pay for it. But Sony just wanted to make live action Spiderman movies. Same for Fox and X-Men.... | [] | [] | [
[],
[],
[]
] | |
2qwwg7 | How are "itch" and "pain" perceived differently? | It dawned on me after a furious bout of itching / scratching that something must be either wired across the same nerves or overlapping in similar centers of the brain. Normally, scratching a bit of skin until it bled would be immediately painful, but when a severe itch strikes, it's possible to scratch away, receiving ... | askscience | http://www.reddit.com/r/askscience/comments/2qwwg7/how_are_itch_and_pain_perceived_differently/ | {
"a_id": [
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"text": [
"Both pain and itch sensation use the same pathway and are processed in the same center(primary somatosensory cortex). The scratch response and withdrawal response are also processed by the same pre-motor and supplementary cortices.The differences... | [] | [] | [
[
"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1451220/"
]
] | |
fsnyit | how do you determine the terminal velocity of oddly shaped objects? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fsnyit/eli5_how_do_you_determine_the_terminal_velocity/ | {
"a_id": [
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"text": [
"It is very difficult to compute, requiring a supercomputer or more commonly simply using a wind tunnel to directly measure. Turbulence of air or other fluids are not simple to figure out.",
"You drop 'em. Or you put them... | [] | [] | [
[],
[]
] | ||
7y9byv | What enabled the British to defeat the Marathas so easily during the second Anglo Maratha war, despite being heavily outnumbered in almost every battle?? | Many of these battles are extremely scarce on details on the battles themselves which is frustrating
One example is Assaye in 1804 where the British being outnumbered 3:1 and the Indians having FAR more artillery pieces on hand to bombard the British, were able to rout he Marathas from the field.
Another is Argaon w... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7y9byv/what_enabled_the_british_to_defeat_the_marathas/ | {
"a_id": [
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"text": [
"When you strip back the raw numbers and start looking at quality of the troops on both sides in conflicts between company forces and Indian armies they are roughly similar. At Assaye the Marathas had 10,000 infantry trained in the European style ... | [] | [] | [
[]
] | |
5xgx1a | Which period of time were people most promiscuous? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5xgx1a/which_period_of_time_were_people_most_promiscuous/ | {
"a_id": [
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"text": [
"Sorry, we don't allow [\"example seeking\" questions](_URL_1_). It's not that your question was bad; it's that these kinds of questions tend to produce threads that are collections of disjointed, partial, inadequate responses. If you have a quest... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/3nub87/rules_change_throughout_history_rule_is_replaced/",
"https://www.reddit.com/r/AskHistorians/wiki/rules#wiki_no_.22example_seeking.22_questions"
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] | ||
jng9g | If I fell from a plane and reached terminal velocity over a large body of water, is there any position and/or angle at which I should try to hit water so as to increase my chances for survival? | Answers not time sensitive. | askscience | http://www.reddit.com/r/askscience/comments/jng9g/if_i_fell_from_a_plane_and_reached_terminal/ | {
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"c... | [] | [] | [
[],
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"http://hypertextbook.com/facts/JianHuang.shtml"
],
[],
[],
[],
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"http://www.popularmechanics.com/technology/aviation/safety/4344036"
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"http://en.wikipedia.org/wiki/Golden_gate_bridge#Suicides"
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[
"http://www.reddit.com/r/askscience/comments/hopv0/if_i_wanted_t... | |
56lwcc | what is that distinct smell that happens when using a vacuum cleaner? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/56lwcc/eli5_what_is_that_distinct_smell_that_happens/ | {
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"text": [
"It's ozone (O*_3_*)\n\nElectric motors use wire brushes/threads to keep electricity flowing through the moving motor and the stationary frame. They generate sparks, which can disrupt oxygen molecules ... | [] | [] | [
[],
[],
[]
] | ||
2lmxc1 | Does cauterization of open surface wounds reduce or increase the risk of infection in the long run? | While discussing the implications of a lowly militia losing a limb in combat during medieval times, the practice of cauterizing an amputation wound came up with the case for the disinfecting effect of the heat-inducing being made, and I thought to attain additional verification. (Thread in question can be found [here](... | askscience | http://www.reddit.com/r/askscience/comments/2lmxc1/does_cauterization_of_open_surface_wounds_reduce/ | {
"a_id": [
"clwov48"
],
"score": [
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"text": [
" > What I'm looking for an answer to is whether the initial benefits of the heat killing of microorganisms is offset by the increased long-term risk of infection\n\nIn terms of infection, deeply burned skin is nearly as vulnerable to infection a... | [] | [
"http://www.americanjournalofsurgery.com/article/S0002-96109800020-8/abstract",
"http://www.reddit.com/r/AskHistorians/comments/2llp0o/lets_say_i_am_a_peasant_in_medieval_times_called/"
] | [
[]
] | |
1r2xu4 | How do we figure out the rotational period of distant stars? | I was reading some information on Aldebaran and it said that its rotation took 643 day. How the heck did we figure that out? | askscience | http://www.reddit.com/r/askscience/comments/1r2xu4/how_do_we_figure_out_the_rotational_period_of/ | {
"a_id": [
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"text": [
"For stars whose axis of rotation is not pointing toward us, we can measure the light (spectra) of the left and right sides of the stars. Since one side is moving away from us, and the other is moving toward us, there is a shift in the spectra (s... | [] | [] | [
[]
] | |
2i9nn2 | how does somebody develop paranoid schizophrenia? | I had a family member that suffered from it. Completely curious. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2i9nn2/eli5_how_does_somebody_develop_paranoid/ | {
"a_id": [
"cl04ft6",
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"text": [
"Although it isn't really understood, as is the case with a lot of mental health conditions, there is a lot fo evidence that it is largly genetic. \n\nHowever a genetic predisposition to the condition is... | [] | [] | [
[],
[],
[]
] | |
1otxjd | When we are cold, why does vasoconstriction occur and what part of the brain initiates it? (curiosity, not homework :P) | So which part of the brain initiates it and is that like a sympathetic nervous response? | askscience | http://www.reddit.com/r/askscience/comments/1otxjd/when_we_are_cold_why_does_vasoconstriction_occur/ | {
"a_id": [
"ccvlkgs"
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"score": [
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"text": [
"Vasoconstriction is the narrowing of the blood vessles. This minimises the amount of heat radiated out of the body and thus is a function of homeostasis in maintain optimum core body temperature. It's initated by the hypothalamus in the brain."
... | [] | [] | [
[]
] | |
uz7g2 | why do i need a video card? | Why do I need a video card instead of just using another processor? and what type of operations are video cards better at then regular processors?
Edit: I suppose i should clarify, I want to know why a gpu is better at handling graphics then a cpu, as regular processors can also do graphics (just not as well). | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/uz7g2/eli5_why_do_i_need_a_video_card/ | {
"a_id": [
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4,
2,
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"text": [
"Most calculations on a computer are handled by what CPU, the Central Processing Unit. This handles most things for most users without difficulty, and primarily operates on the conc... | [] | [] | [
[],
[],
[],
[
"http://superuser.com/questions/308771/why-are-we-still-using-cpus-instead-of-gpus"
]
] | |
1vcptv | how men became the dominating sex in almost every society? | All through human history, we have always seen that women have been heavily dominated by men.
I do understand the strength factor of it, but were there other factors that contributed to this? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1vcptv/how_men_became_the_dominating_sex_in_almost_every/ | {
"a_id": [
"ceqxzmt",
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"score": [
4,
4
],
"text": [
"Throughout our history men have been in control because it was the men who were stronger. The strong control the weaker, whether that's weaker men or women in general. Throughout history women spent much of their time preg... | [] | [] | [
[],
[]
] | |
3opbkc | why do android phones wipe their battery statistics when restarted at > 90% battery? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3opbkc/eli5_why_do_android_phones_wipe_their_battery/ | {
"a_id": [
"cvziy7m"
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"score": [
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"text": [
"Restarting a phone clears the memory and closes all apps that were open. When the phone restarts, it re-calculates the battery percentage based on the current usage. Not sure if that answers your question."
]
} | [] | [] | [
[]
] | ||
1ict3e | can somebody explain computer specs to me, and what to look for when purchasing a new machine? | A breakdown of the individual parts, its functions, and what is high performing on the current market would be nice. I am looking to purchase a computer, and was always impressed by people who could tell the functionality of a computer simply by looking through its specifications.
No excessive use of computer terminol... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ict3e/eli5_can_somebody_explain_computer_specs_to_me/ | {
"a_id": [
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"text": [
" > and was always impressed by people who could tell the functionality of a computer simply by looking through its specifications.\n\nI don't really know how else you'd determine how good a computer is ... | [] | [] | [
[],
[],
[
"http://www.videocardbenchmark.net/",
"http://www.cpubenchmark.net/"
]
] | |
imjhx | Panelists: Which books have you found most interesting as a layman (non-expert?) | In general, what interesting books/movies or museums have piqued your interest as a layman, learning outside your field of expertise? | askscience | http://www.reddit.com/r/askscience/comments/imjhx/panelists_which_books_have_you_found_most/ | {
"a_id": [
"c24xyig",
"c24zt1t",
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"score": [
2,
3,
3
],
"text": [
"I know I only mentioned books in the title, but I am also interested in documentaries or museums. Since Sir David Attenborough retired, I haven't seen any stirring documentaries. The most interesting mu... | [] | [] | [
[],
[],
[]
] | |
1tj4ys | why do so many reporters use bad puns? | In written articles and news reports (especially on the radio) it seems that reporters really like to use puns. Why?
Cue the bad puns in this thread... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1tj4ys/eli5_why_do_so_many_reporters_use_bad_puns/ | {
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"text": [
"I just spent 10 minutes looking out my window trying to think of the perfect pun. I feel like I failed. ",
"Humor is a good thing to use to engage your audience, but it can be ... | [] | [] | [
[],
[],
[],
[]
] | |
3vzlh8 | How did the ancient Mediterranean build their huge ships without drydocks? | Wikipedia makes it seem like drydocks are a relatively recent invention. If so, how did the Romans, Greeks, Phoenicians, etc. build and launch such large ships? Any other sources on ancient shipbuilding in the Mediterranean would be appreciated. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3vzlh8/how_did_the_ancient_mediterranean_build_their/ | {
"a_id": [
"cxs6tdi",
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3
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"text": [
"You'll want to take a look at Casson's *Ships and Seamanship in the Ancient World* and *Ships and Seafaring in Ancient Times*, if you're looking for material. In point of fact the Romans very much had drydocks, in which larg... | [] | [] | [
[],
[]
] | |
8cn5k2 | Is it possible to create a molecule containing a noble gas ? | For example, would it be possible to take away an electron from a Helium atom and then force it to link with a Hydrogen atom ? | askscience | https://www.reddit.com/r/askscience/comments/8cn5k2/is_it_possible_to_create_a_molecule_containing_a/ | {
"a_id": [
"dxg7wzc",
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4,
31,
3
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"text": [
"Yes, Nobel gases can bond to other atoms, some examples are listed here. Note that most listed are with heavier nobel gasses _URL_0_\n\nIm not sure about helium, though the article does mention an HeH^... | [] | [] | [
[
"https://en.m.wikipedia.org/wiki/Noble_gas_compound"
],
[],
[
"https://en.wikipedia.org/wiki/Xenon_hexafluoride"
]
] | |
21k0t6 | what's going on in turkey and why are websites like youtube and twitter being banned? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/21k0t6/eli5_whats_going_on_in_turkey_and_why_are/ | {
"a_id": [
"cgdrw4t"
],
"score": [
2
],
"text": [
"Just as we have seen in countless countries, the government is corrupt . People are exposing the corruption on social media outlets. so they are being blocked to avoid that and so people can't see it. "
]
} | [] | [] | [
[]
] | ||
32mz1c | how do people who release leaks on to torrent websites originally obtain them ex. game of thrones | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/32mz1c/eli5_how_do_people_who_release_leaks_on_to/ | {
"a_id": [
"cqcphn6",
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"score": [
4,
24
],
"text": [
"Usually reviewers receive advance copys of something to review.",
"There's three reasons why TV shows or any other media is leaked:\n\n- The production crew is huge usually hundreds of people. Someone such as an intern ... | [] | [] | [
[],
[]
] | ||
8142o3 | how are pills tested to determine their side effects? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8142o3/eli5_how_are_pills_tested_to_determine_their_side/ | {
"a_id": [
"dv0b7ns",
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"score": [
2,
2
],
"text": [
"Human testing, animal testing etc. They discovered that a specific heart medication actually helped with ED. That became viagra",
"Clinical Trials.\n\nDuring one phase of the clinical trial, you need to give your drug/me... | [] | [] | [
[],
[]
] | ||
8da3vu | - viruses and cancer | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8da3vu/eli5_viruses_and_cancer/ | {
"a_id": [
"dxlh13j",
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4
],
"text": [
"Yes, it can. In fact, the Human Papilloma Virus is one of the leading causes of Cervical Cancer in women.\n\nViruses that lead to cancer are classed together as DNA or RNA Oncoviruses.",
"Yes. Cance... | [] | [] | [
[],
[],
[]
] | ||
6iimhd | how much credit (or blame) can be assigned to film directors for the overall quality of a film? | How much influence does the director have over pacing, story, beats, dialogue, etc.? Also film mechanics such as lighting, production design, blocking, etc. Aren't there designated professionals to handle each of those tasks? Does it depend on the director and how hands-on he/she prefers to direct? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6iimhd/eli5_how_much_credit_or_blame_can_be_assigned_to/ | {
"a_id": [
"dj6rkyj",
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"score": [
3,
2
],
"text": [
"The director on any movie is limited by the creative control given to him/her. Generally, the directors who have limited experience, but have big budgets, have very little control over the general direction of the movie. The... | [] | [] | [
[],
[]
] | |
27nb9q | [Biology] What is the real difference between something like a lobster and a bug? | Also crabs and shrimp, besides their size? | askscience | http://www.reddit.com/r/askscience/comments/27nb9q/biology_what_is_the_real_difference_between/ | {
"a_id": [
"ci2nxxu",
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2
],
"text": [
"Lobsters, crabs, shrimp, insects, and \"bugs\" are all members of the phylum _arthropoda_. Phyla are a very broad classification of creatures below only Kingdoms in the scientific classification scheme.\n\nCrabs, shrimp and... | [] | [] | [
[],
[
"http://arthropoda.files.wordpress.com/2010/02/remipede.jpg"
]
] | |
20qb0d | Communism/Socialism, etc | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/20qb0d/communismsocialism_etc/ | {
"a_id": [
"cg5to8a"
],
"score": [
39
],
"text": [
" > Communism is just one form of socialism.\n\nWell, that much is true.\n\n > The Nazis were socialists and so were the Russians they fought against.\n\nThis tends to be a talking point that gets rehashed over and over again. I would summarize... | [] | [] | [
[]
] | ||
7oevts | why does alcohol (isopropyl) evaporate so much faster than other liquids than say water? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7oevts/eli5_why_does_alcohol_isopropyl_evaporate_so_much/ | {
"a_id": [
"ds8z66a"
],
"score": [
3
],
"text": [
"Well thats a very relative question. It is a liquid at room temperature, which puts its boiling temperature above that of any gases. Water has a higher one, wood/metal has a higher one still.\n\nThe boiling point is determined by the intramolecul... | [] | [] | [
[]
] | ||
meg4k | Why did the pages of my book wrinkle as they dried after I dropped it in the toilet? | askscience | http://www.reddit.com/r/askscience/comments/meg4k/why_did_the_pages_of_my_book_wrinkle_as_they/ | {
"a_id": [
"c3097ok",
"c3097ok"
],
"score": [
31,
31
],
"text": [
"You know how napkins/toilet paper/tissues tend to completely disintegrate when you let them soak in water for a while? That's what's happening, but on a smaller scale.\n\nThe presence of water in paper disrupts the intermo... | [] | [] | [
[],
[]
] |
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