q_id stringlengths 5 6 | title stringlengths 3 301 | selftext stringlengths 0 39.2k | document stringclasses 1
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values | url stringlengths 4 132 | answers dict | title_urls list | selftext_urls list | answers_urls list |
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1822ba | Would the new hydrophobic material weve been seeing online have negative impacts on water treatment plants and the environment? | The stuff as seen [here](_URL_0_) seems amazing, but could it potentially be a dangerous pollutant when being washed away into treatment plants, rivers, general environment etc? | askscience | http://www.reddit.com/r/askscience/comments/1822ba/would_the_new_hydrophobic_material_weve_been/ | {
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"Generally if it's really hydrophobic it will either sink to bottom or float to the top of the pool of water it's in, making it relatively easy to clean in a treatment plant. Think cooking oil for example. Let it aggregate on top, then scrap it of... | [] | [
"http://www.youtube.com/watch?v=IPM8OR6W6WE"
] | [
[]
] | |
3mif30 | why don't human foetuses be small enough to be easily carried and delivered by the mother? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3mif30/eli5_why_dont_human_foetuses_be_small_enough_to/ | {
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"They do come out and grow bigger. But that's a trade off. The smaller they are when they come out, the more likely they are to die after they come out, and the longer they will ha... | [] | [] | [
[],
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17t2cd | What is an example of a heartwarming tale from your researched point of history? | I'll start off with something relatively modern - [a young schoolgirl's](_URL_0_) letter to Yuri Andropov, the leader of the Soviet Union at that time in 1982.
> Dear Mr. Andropov,
> My name is Samantha Smith. I am ten years old. Congratulations on your new job. I have been worrying about Russia and the United Stat... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/17t2cd/what_is_an_example_of_a_heartwarming_tale_from/ | {
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"c88pdp9",
"c88pn9b",
"c88pwp5",
"c88q0ah",
"c... | [] | [
"http://en.wikipedia.org/wiki/Samantha_Smith",
"http://en.wikipedia.org/wiki/Berlin_Wall#The_Fall"
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[],
[],
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"http://en.wikipedia.org/wiki/Christmas_truce"
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[],
[],
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"http://en.wikipedia.org/wiki/Jesse_James#Television"
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[],
[],
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"http://en.wikipedia.org/wiki/File:Russian_empire_sea_access_wwi.png",
"http://en.wikipedia.org/wiki/Mehmet%C3%A7ik"
],
[],
[
"http:/... | |
1ehhtg | Roman Historians - I'm having trouble wrapping my head around the crisis of the third century, any good book recommendations? | So many emperors, so little time. It seems like so much is happening in such a little period of time that I need some books to help me out here. Any recommendations? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1ehhtg/roman_historians_im_having_trouble_wrapping_my/ | {
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"text": [
"Adrian Goldsworthy's *How Rome Fell* does a pretty good job of it, but to be perfectly honest it pretty much stays confusing.",
"I can talk about developments in ius vulgaris if you'd like but it may get a bit technical.... | [] | [] | [
[],
[]
] | |
32eq6x | Would I be able to communicate with a neanderthal? | Would our body language be similar to the extent to be able to communicate as we would with another human today? | askscience | http://www.reddit.com/r/askscience/comments/32eq6x/would_i_be_able_to_communicate_with_a_neanderthal/ | {
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"text": [
"You probably couldn't communicate with a homo sapience that didn't share a language with you.\n\nBut then again if we set that as the level of communication you can communcate with your dog so why would a neanderthal be that... | [] | [] | [
[],
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d9dovw | How did colonies such as New York grow so large while others like Salem and Plymouth are still small communities? | New York is one of the largest cities in the world and THE largest city in the U.S. It grew from a simple colony founded by the Dutch. How come cities founded by the English like Jamestown and Salem never grew as large as New York when they were founded earlier? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/d9dovw/how_did_colonies_such_as_new_york_grow_so_large/ | {
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"/u/uncovered-history has provided a [previous answer](_URL_3_) about why Jamestown didn't work out. The town was built on a swamp, which made the nearby seaport town of Norfolk and the adjacent community of the \"Middle Plantation\" (later rename... | [] | [] | [
[
"https://books.google.com/books?id=7TH062rPP2MC&pg=PA50&dq=350",
"http://www.jstor.org/stable/3742181",
"https://books.google.com/books?id=DpZCNmbbFGsC&pg=PA8",
"https://www.reddit.com/r/AskHistorians/comments/8tgppg/why_did_jamestown_never_become_a_major_settlement/e17gtyr/",
"htt... | |
2i4ym8 | Is the moons phase different depending on your location on earth? | askscience | http://www.reddit.com/r/askscience/comments/2i4ym8/is_the_moons_phase_different_depending_on_your/ | {
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"In the Southern Hemisphere, people see the moon 'upside down' so the side which is shining (sunlit) seems the opposite from the Northern Hemisphere. Full and New moons come at the same time in both hemispheres, but the intermediate phases will be... | [] | [] | [
[]
] | ||
6lh4s7 | why is the u.s. so outraged that n.k. continues to test missiles? | I assume that the U.S. has frequently tested missiles that are capable of much more devastation than N.K.'s missiles. I understand that N.K. is dangerous and unpredictable, but doesn't N.K. think the same thing about the U.S.? What makes N.K.'s tests more deserving of sanctions and punishment? Is it not hypocritical on... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6lh4s7/eli5_why_is_the_us_so_outraged_that_nk_continues/ | {
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"North Korea is run by an almost totally opaque and hyper-paranoid military cult that routinely kidnaps foreign nationals, attacks its neighbors, and threate... | [] | [] | [
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18aitc | How many possible universes exist according to multiverse theory? | Does multiverse theory mean that everything that is possible is actually now happening? Meaning that there is a universe in which everything is the same, except Maine is called South Dakota, and you are currently wearing a pink tu-tu? If there are an **infinite** number of universes, wouldn't that mean anything I can t... | askscience | http://www.reddit.com/r/askscience/comments/18aitc/how_many_possible_universes_exist_according_to/ | {
"a_id": [
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"score": [
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"text": [
"There's no such thing as multiverse theory in science."
]
} | [] | [] | [
[]
] | |
9tgurx | what is sharp and flat in music and how do they differ? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9tgurx/eli5_what_is_sharp_and_flat_in_music_and_how_do/ | {
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"Sharp is going up 1 semitone, Flat is going down 1 semitone. \n\nFor example C# would be 1 semitone higher in pitch than C and Cb would be 1 semitone lower than C",
"So from your previous comment I see you asked about ... | [] | [] | [
[],
[]
] | ||
1v12gr | what is an ip camera, how is it different to a web cam and how is it so easy to hijack? | There was a post on the front page about an IP camera that got hijacked. Somebody please enlighten me. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1v12gr/eli5_what_is_an_ip_camera_how_is_it_different_to/ | {
"a_id": [
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"It's just a normal camera that uploads images to the web constantly for remote surveilance.\n\nThe reason they're easy to hijack is that they typically come unsecured by default -- and they are really easy to find because they tend to contain a c... | [] | [] | [
[]
] | |
6lwo65 | how do criminals use small businesses to launder money!? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6lwo65/eli5_how_do_criminals_use_small_businesses_to/ | {
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"The point of laundering money is to make money gained from illegal (or illegitimate) sources _appear_ to come from legal (or legitimate) sources. By doing so, you can declare that money as \"legal\" income, pay taxes on it,... | [] | [] | [
[],
[]
] | ||
9wyl57 | Can the CBD part of cannabis influence your reaction time? | Hello, I've been reading up on some of the functions of the endocannabinoid system, but I haven't found anything on all of the internet having to do something with CBD? I find plenty of experiments or scientific works talking about the influence of THC and it's effects, while with CBD I only find things such as it's he... | askscience | https://www.reddit.com/r/askscience/comments/9wyl57/can_the_cbd_part_of_cannabis_influence_your/ | {
"a_id": [
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"text": [
"Here's a study talking about the interaction between THC and CBD when it comes to a task involving reaction time. It looks like CBD may mitigate some of the negative effects, but in this study THC didn't show any effect on r... | [] | [] | [
[
"https://www.ncbi.nlm.nih.gov/pubmed/1647172",
"https://www.ncbi.nlm.nih.gov/pubmed/18589404",
"https://www.ncbi.nlm.nih.gov/pubmed/1806948",
"https://www.ncbi.nlm.nih.gov/pubmed/115049",
"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5119678/"
],
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"https://www.ncbi.nlm.nih.gov/pmc/art... | |
1idfol | when i have a common cold, what physiological process makes me feel cold even at room temperature in the summers ? | It is is 72-73 degrees in the room I am in and i am still cold after wearing a thermal inner shirt! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1idfol/eli5_when_i_have_a_common_cold_what_physiological/ | {
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"Your sense of cold doesn't really work the number on a thermometer. It's actually a really complex calculation your body does that looks at a lot of things like hoe quickly heat is leaving your body and what temperature your body wants to be. \n... | [] | [] | [
[]
] | |
9mh8xx | How accurate is it? | PragerU made a video about Columbus day.
link: [_URL_0_](_URL_0_)
& #x200B; | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/9mh8xx/how_accurate_is_it/ | {
"a_id": [
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"score": [
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"text": [
"#Part 1\n\nThe video isn't that accurate. Let's start with a breakdown.\n\nFirst, the video is produced by Prager University, a non-profit conservative organization that addresses areas such as economics, history, and...politics. Second, the vid... | [] | [
"https://www.youtube.com/watch?v=HxYVbC283uM"
] | [
[
"https://www.reddit.com/r/AskHistorians/comments/758vqt/monday_methods_indigenous_peoples_day_and/"
]
] | |
41th3y | How did the Romans get back the eagles (aquila) from the legion XVII, XVIII and XIX? (Varian disaster) | I read that two were retrieved by Germanicus and one later on, but how exactly did this happen? I mean, did the legions hide their eagles? I doubt Arminius would just leave them around, especially considering he mailed around heads. They he put them up for public display, so that they could easily found by the invading... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/41th3y/how_did_the_romans_get_back_the_eagles_aquila/ | {
"a_id": [
"cz545t1"
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"text": [
"The eagles were captured during the battle, not hidden by the legions. The eagles were captured by certain tribes out of Arminius' confederation, the Bructeri, Marsi and Chauci respectively, and taken with them to their own lands. \n\n* The eag... | [] | [] | [
[
"https://c2.staticflickr.com/6/5163/5213795232_fd250df0fe_b.jpg"
]
] | |
n57bk | Holocaust Awareness | Hey Reddit.
How aware was the US/Allies of the systematic killing of Jews by the Nazis?
How much of this awareness was with the everyday enlistment? Did they know a genocide was occurring.
Edit: Thanks so much, great input all around!
| AskHistorians | http://www.reddit.com/r/AskHistorians/comments/n57bk/holocaust_awareness/ | {
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3iduol | How is graphene both a good conductor of electricity and a semiconductor? | Graphene is classified as a semiconductor, but everything I've been able to find online talks about its excellent electrical conductivity. How are these two properties not contradictory? | askscience | https://www.reddit.com/r/askscience/comments/3iduol/how_is_graphene_both_a_good_conductor_of/ | {
"a_id": [
"cufmaa0"
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"score": [
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"text": [
"Graphene is not really a semiconductor since it has no bandgap, i.e. no energetic spacing between its highest lying filled electron band (the valence band) and the next available energy band (the conduction band). Instead it's sometimes (and perh... | [] | [] | [
[
"http://nauka.in.ua/upload/medialibrary/651/651c83f718b2a807c335d2cbbf396a96.jpg"
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ascw29 | Why does the "Fertile Crescent" have such a green reputation? Isn't it mostly just sand? | Weren't this region supposed to be good for farming? It certaintly doesn't have that reputation now, to my knowledge. And the same goes for North Africa/Carthage. Did that tiny strip of fertile land on the border of the mediterranean compete with the Italian peninsula as a food producer? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/ascw29/why_does_the_fertile_crescent_have_such_a_green/ | {
"a_id": [
"egtghvm"
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"score": [
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"text": [
"While there is much to discuss here, [this post](_URL_0_) has a lot of good information on environmental change in that region. I particularly enjoyed the post by /u/Prufrock451, but there are many good contributions."
]
} | [] | [] | [
[
"https://np.reddit.com/r/AskHistorians/comments/4p4qt7/why_is_the_fertile_crescent_now_desert/"
]
] | |
3fazlt | how does the magnus effect work? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3fazlt/eli5_how_does_the_magnus_effect_work/ | {
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"text": [
"[Bernoulli's principle](_URL_0_) basically.\n\nIts a basic consequence of fluid dynamics. Like wings on a airplane, a spinning ball exerts a force on the air, which according to Newton, exerts and equal... | [] | [] | [
[
"http://www.google.com/imgres?imgurl=http://www.aviation-for-kids.com/images/Magnus_effect.gif&imgrefurl=http://www.aviation-for-kids.com/the-magnus-force.html&h=353&w=463&tbnid=OCUdNjl9UxdOeM:&tbnh=145&tbnw=189&usg=__Iv3FK6aZLAiA894_BwPl97adrC0=&docid=EXHkWuNdHCYLUM&itg=1&... | ||
13pr8b | Did any nation/culture even begin to approach the level of sword-making of Japan? | Japan seems to lead the sword industry by a country mile and a half; especially in their time. Even disregarding any thoughts about periods, was their any culture which built swords so well for their own time?
(Note: I don't necessarily mean the longswords etc that were ridiculously common in Europe -- they weren't as... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/13pr8b/did_any_nationculture_even_begin_to_approach_the/ | {
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"text": [
"Interested amateur answer: There's nothing supernatural about the quality of japanese swords. They're good, very good, but its not lik... | [] | [] | [
[],
[],
[
"http://www.youtube.com/watch?v=nXbLyVpWsVM"
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[],
[
"http://v.youku.com/v_show/id_XMTQyMjQzMDUy.html",
"http://en.wikipedia.org/wiki/Chinese_swords"
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[]
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8r65tf | after several trips to the bathroom with diarrhea and eventual chafing of the wiped area as evidenced by specks of blood on toilet paper, how do these wounds generally not lead to illness by infection? | I'm sure I'm not the only one who has experienced this and is wondering why. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8r65tf/eli5_after_several_trips_to_the_bathroom_with/ | {
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"Your bodies immune system is the answer! There are many things involved and probably some people can explain it better than me, but also you probably could experience an infection especially if your im... | [] | [] | [
[],
[],
[]
] | |
1moujr | When a woman dies giving birth, what exactly happens? | askscience | http://www.reddit.com/r/askscience/comments/1moujr/when_a_woman_dies_giving_birth_what_exactly/ | {
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"text": [
"The most common is hemorrhaging. There are fairly big blood vessels connecting the placenta to the uterus. During birth the placenta detaches from the uterus, so if anything goes wrong there, she can lose a lot of blood quickly. \n\nAlso possibl... | [] | [] | [
[]
] | ||
5q5tiu | what's the benefit of https on regular websites? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5q5tiu/eli5_whats_the_benefit_of_https_on_regular/ | {
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"text": [
"The encryption within HTTPS is intended to provide benefits like confidentiality, integrity and identity. Your information remains confidential from prying eyes because only your browser and the server can decrypt the traffic. Integrity protects ... | [] | [] | [
[]
] | ||
4ntp2b | Ireland and Scotland had strong clan systems from the Dark Ages until the Modern Age. Was this common in other European countries from 500 - 1746? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4ntp2b/ireland_and_scotland_had_strong_clan_systems_from/ | {
"a_id": [
"d471y5b",
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"score": [
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13
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"text": [
"1746, a bit specific? Was there a reason for this year",
"This is a pretty broad question, and I certainly can't answer all of it, but I'll try to give some impressionistic answers for some parts of Europe in some perio... | [] | [] | [
[],
[
"https://www.reddit.com/r/AskHistorians/comments/43p8o5/if_you_went_far_enough_back_into_the_past_of/czk8l1m"
]
] | ||
eaupqm | Did ancient civilians get PTSD? What do we know of the psychological effects of war on noncombatants, and how they dealt with them? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/eaupqm/did_ancient_civilians_get_ptsd_what_do_we_know_of/ | {
"a_id": [
"fb01xji"
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"score": [
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"text": [
"*Content warning: mention of sexual violence, suicide, casual misogyny*\n\n & nbsp;\n\nPTSD is a label we use to describe a group of symptoms connected to trauma and moral injury. The label was created in the 1970s to get Vietnam veterans in th... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/cevdga/im_an_ancient_greek_woman_in_an_increasingly/eu659dx/",
"https://www.reddit.com/r/AskHistorians/comments/9mdx60/monday_methods_on_why_did_ancient_warriors_get/",
"https://www.reddit.com/r/AskHistorians/comments/5cqh74/what_actually_happens_when_a... | ||
buo7dm | What are some fields in history that have stagnated? | I was looking for examples for when historical analysis and interpretation has remained fairly stagnant and unchanging for a long period of time.
& #x200B;
Perhaps there is some analysis of historical events that, either due to lack of new perspective or information available or due to overwhelming consensus, remai... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/buo7dm/what_are_some_fields_in_history_that_have/ | {
"a_id": [
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"text": [
"I think 'stagnated' would be going a bit too far, but 'local historiography', ie. the history of villages, cities, local regions etc. is very slow moving compared to 'big historiography' that looks at larger developments. S... | [] | [] | [
[],
[
"https://www.theatlantic.com/photo/2016/02/the-looting-of-syrias-archaeological-treasures/459996/"
]
] | |
4gtqxu | How were people not constantly dehydrated before modern plumbing? | Today we are told to drink so much water that our output is almost clear. But, this is only possible because fresh, clean water is readily available to us at any time. Even I notice I get dehydrated and fatigued easily if I don't drink more than one or two big glasses a day, even on days when I'm less active. Before th... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4gtqxu/how_were_people_not_constantly_dehydrated_before/ | {
"a_id": [
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"score": [
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9
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"text": [
"There is an account floating around somewhere of just how many water carriers there were in Paris in the ~18th century. I am having an impossible time tracking it down amidst the stories, but IIRC [this account of there bein... | [] | [] | [
[
"https://books.google.com/books?id=zhrgBAAAQBAJ&pg=PA508&lpg=PA508&dq=paris+20,000+water+carriers&source=bl&ots=F21hXQB_iz&sig=3-G-x-k5CDaacQRUCuOfLN0AAbc&hl=en&sa=X&ved=0ahUKEwjMwvXv-7HMAhUEMGMKHQmJAqgQ6AEIHDAA#v=onepage&q=paris%2020%2C000%20water%20carriers&f=fals... | |
7vewzv | what exactly is happening during a cold when your sinuses become extremely painful for a moment? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7vewzv/eli5_what_exactly_is_happening_during_a_cold_when/ | {
"a_id": [
"dtrv9ds"
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"score": [
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"text": [
"I recently battled a cold and I think I know what you mean. All of a sudden, the inside of your nostrils will hurt for a good 30 seconds. I believe it is because they are dry. Maybe someone with more knowledge in the medical field can help us out... | [] | [] | [
[]
] | ||
3y22t1 | Did Ethiopians know much about the state of Christendom outside East Africa before regular contact with Portugal was established? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3y22t1/did_ethiopians_know_much_about_the_state_of/ | {
"a_id": [
"cya0gfu",
"cya9vcw"
],
"score": [
406,
10
],
"text": [
"This is a difficult question to answer directly: we have basically no surviving manuscripts from the early/high medieval period in Ethiopia. This will change in a big way in the 13th-14th century, in conjunction with the ... | [] | [] | [
[],
[]
] | ||
4d2iu7 | Were snare traps ever used by the Vietcong during the Vietnam war? | I'm currently writing/directing an independent film based in vietnam. I was wondering if they ever used snare traps during the war or any traps similar. I've researched many of the booby traps although there isn't many sources on the web that discuss only the traps used. I just want to find out if it would be historica... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4d2iu7/were_snare_traps_ever_used_by_the_vietcong_during/ | {
"a_id": [
"d1n6v8h"
],
"score": [
3
],
"text": [
"In general, the traps used by VC insurgents were not as \"primitive\" as they are usually depicted in the popular culture of the war. They were encountered, sometimes as stand-alone traps, sometimes as something the VC would lure into during a fi... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/1xto8k/psychological_warfare_during_the_vietnam_war/cfekrbt"
]
] | |
1hex4k | who makes malware, viruses, and trojans? | Who propagates this stuff online? Hackers? McAfee? Both? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1hex4k/eli5_who_makes_malware_viruses_and_trojans/ | {
"a_id": [
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"score": [
18,
8,
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2,
4,
10,
2,
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"text": [
"Pretty much anyone with a knowledge of computer programming and code. As to why they make... | [] | [] | [
[],
[
"http://www.reddit.com/r/IAmA/comments/mmecu/iama_malware_developer_ama/",
"http://www.reddit.com/r/IAmA/comments/cvnpa/iama_malware_coder_ama/",
"http://www.reddit.com/r/IAmA/comments/juou2/by_request_i_am_a_spyware_programmer_ama/"
],
[],
[],
[],
[],
[],
[]
] | |
fgnai7 | How far does sunlight go through space? E.g. does Pluto still have the same bright daytime, or does only part of their sky get lit up? | askscience | https://www.reddit.com/r/askscience/comments/fgnai7/how_far_does_sunlight_go_through_space_eg_does/ | {
"a_id": [
"fkaomjo"
],
"score": [
3
],
"text": [
"\\- how far does sunlight go through space?\n\nThis doesn't really differ from light on earth, it will go in a straight line until it hits something. So unless it hits one of the other objects (planets, moons, asteroids, dust, ...) in our solar s... | [] | [] | [
[]
] | ||
9sulri | how does esp and crystal ball psychic readings work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9sulri/eli5_how_does_esp_and_crystal_ball_psychic/ | {
"a_id": [
"e8rky3x",
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"score": [
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25,
6,
3,
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"text": [
"I read in a book on body language that they're experts at it. They start with very vague assumptions that could fit anyone and then read your body language ... | [] | [] | [
[],
[],
[],
[
"https://www.humintell.com/",
"https://en.wikipedia.org/wiki/One_Million_Dollar_Paranormal_Challenge"
],
[]
] | ||
2l9r2w | the phrase 'uncle' meaning 'i give up' | This always confused me, especially after watching west side story and the one guy doesn't just say 'uncle' he says 'i'm an uncle'. How the heck did this phrase originate? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2l9r2w/eli5_the_phrase_uncle_meaning_i_give_up/ | {
"a_id": [
"clspz0q"
],
"score": [
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],
"text": [
"It's not really known. But, the romans said a similar phrase, also of an origin that is not known. The best theory i've seen as that you're just calling out - in weakness - for an adult."
]
} | [] | [] | [
[]
] | |
dsiyvj | why is it whenever someone is watching me do something, or if i'm doing something with someone, i suddenly get worse at that thing? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dsiyvj/eli5_why_is_it_whenever_someone_is_watching_me_do/ | {
"a_id": [
"f6plmse",
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],
"score": [
9,
4,
5
],
"text": [
"Even if the person watching us is totally cool, a part of us still worries that we'll be judged for the little mistakes we might make. That anxiety in turn causes us to lose some focus and make mistakes... | [] | [] | [
[],
[],
[]
] | ||
109uo4 | What was life like for a Babylonian under Nebuchadnezzar II? | I'm wondering what life was like for the average Babylonian and, if possible, the average Babylonian soldier. More specifically, what did people wear? What did the people look like? what kind of jobs were typical? etc | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/109uo4/what_was_life_like_for_a_babylonian_under/ | {
"a_id": [
"c6bn5qw",
"c6bsfza"
],
"score": [
10,
2
],
"text": [
"If you don't mind my hopping on this to ask;\n\nWas Nebuchadnezzar a popular name at the time? or was the 1st one so fucking awesome that he became many people's namesakes? ",
"Sounds like a difficult but interesting qu... | [] | [] | [
[],
[]
] | |
2skjc8 | Were there any large IRA raids/attacks against British forces in Northern Ireland during World war two? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2skjc8/were_there_any_large_ira_raidsattacks_against/ | {
"a_id": [
"cnqsb5l"
],
"score": [
2
],
"text": [
"No. The IRA did not have the resources for anything that big. They had run a bombing campaign in England in 1939 before the war but were in pretty bad shape afterwards. Both Éire and Northern Ireland used emergency laws to suppress them and Nazi... | [] | [] | [
[]
] | ||
1egl4e | Does your body's production of Vitamin D change depending on your dietary intake of Vitamin D? | Is there any change in the body's photochemical production of Vitamin D when you consume more/less Vitamin D? If yes, how does it change? | askscience | http://www.reddit.com/r/askscience/comments/1egl4e/does_your_bodys_production_of_vitamin_d_change/ | {
"a_id": [
"ca02l17",
"ca05v5o"
],
"score": [
4,
2
],
"text": [
"That particular question either has not been addressed, or it is not documented in this summary. \n\n_URL_1_\n\nHere:\n_URL_0_\n\n\"The evidence indicates that the synthesis of vitamin D from sun exposure works in a feedback... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Vitamin_D",
"http://www.vitamindcouncil.org/about-vitamin-d/how-do-i-get-the-vitamin-d-my-body-needs/"
],
[]
] | |
1diuyk | where do fake twitter accounts come from, and why do they keep following then unfollowing me? | I fluctuate between 285-295 followers on twitter, and I track who unfollows me. Nearly all of these new follows/unfollows are fake spam accounts. What do they gain by following me, and how do they keep finding my account where all of my friends I ask don't have this same problem? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1diuyk/eli5_where_do_fake_twitter_accounts_come_from_and/ | {
"a_id": [
"c9qvd4b"
],
"score": [
2
],
"text": [
"They want you to refollow them. Once followed, they hope that you are more likely to click on their malicious links. Alternatively, if they gain enough followers they can sell the account to some dodgy PR company.\n\nAs for why they find you. Cou... | [] | [] | [
[]
] | |
3104yz | If I pour boiling water into my metal water bottle, will it kill off most/all of the bacteria inside? | I just thought of this when I was cleaning my water bottle. | askscience | http://www.reddit.com/r/askscience/comments/3104yz/if_i_pour_boiling_water_into_my_metal_water/ | {
"a_id": [
"cpxhsmu",
"cpxhyxv",
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],
"score": [
8,
3,
9
],
"text": [
"The CDC suggests that you have a rolling boil for 1 minute to ensure the water is safe to drink. Once you take the water away from a heat source (and pour it into your container), it will start to cool... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Autoclave"
],
[]
] | |
4aze6b | the exsecant and excosecant in trigonometry. | Particularly, I'm wondering if the *exsecant* might be explained in simple terms, thus making the tangent function easier to explain than as the "slope-iness of a line," since the two seem to be [directly related](_URL_0_). | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4aze6b/eli5_the_exsecant_and_excosecant_in_trigonometry/ | {
"a_id": [
"d14umag"
],
"score": [
3
],
"text": [
"If you're trying to use exsecant to simplify the explanation of tangent, I think you'd be better off with secant instead. Exsecant is just (secant - 1), so it takes one more step to explain. It's also barely ever used.\n\nA *tangent line* to a ... | [] | [
"https://upload.wikimedia.org/wikipedia/commons/thumb/9/9d/Circle-trig6.svg/338px-Circle-trig6.svg.png"
] | [
[]
] | |
1c3u5z | How did a nation as politically unstable as the Roman Empire last as long as it did? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1c3u5z/how_did_a_nation_as_politically_unstable_as_the/ | {
"a_id": [
"c9cya27"
],
"score": [
2
],
"text": [
"From my understanding its because even though Rome had many usurpers to the throne, they wanted to be emporer and not destroy the empire itself. I'm going to assume by politically unstable your referring to the 3rd century crisis were there were ... | [] | [] | [
[]
] | ||
2xm65n | how do previously prescription-only medications become over-the-counter medications? | Ex: Claritin | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2xm65n/eli5_how_do_previously_prescriptiononly/ | {
"a_id": [
"cp1bhko",
"cp1cysm",
"cp1fx09"
],
"score": [
4,
2,
2
],
"text": [
"After they've been on the market for many years, and proven to be effective and not having any major serious side effects, the drug maker can apply to the FDA to sell the product over the counter. If an... | [] | [] | [
[],
[],
[]
] | |
6dg2oo | why is it some people can naturally throw a ball (like a tennis ball or a baseball) whilst others seemingly can't? | i'm just using empirical evidence from having played cricket here. Some people seem to have very strong throwing arms with no effort whilst others seem to try as hard as they can without any success. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6dg2oo/eli5_why_is_it_some_people_can_naturally_throw_a/ | {
"a_id": [
"di2ekhi"
],
"score": [
4
],
"text": [
"Form most likely. As in most things, proper form outpaces brute force. \n\nSome people either don't know there is a technique to throwing a ball, or do it badly. I used to basically just go with 'fling my arm as fast as possible and the ball will... | [] | [] | [
[]
] | |
1wl2jv | how does the boston bomber face the death penalty if the death penalty itself was abolished in massachusetts | I'm curious as to why the Boston Bomber can face the death penalty if the crime he committed was in Boston, Massachusetts, where the death penalty no longer exists | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1wl2jv/eli5_how_does_the_boston_bomber_face_the_death/ | {
"a_id": [
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"score": [
3,
4,
3,
3,
19
],
"text": [
"He is being tried in a Federal court. Because the bombing is considered an Act of Terrorism, it gets bumped up above the state level.",
"He also committe... | [] | [] | [
[],
[],
[],
[],
[]
] | |
2u02ug | After America tested its first nuclear weapons (before being dropped on Japan), how did they keep the weapons program a secret after the first test? | Or was it public information at the time? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2u02ug/after_america_tested_its_first_nuclear_weapons/ | {
"a_id": [
"co3x1rd",
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"score": [
2,
9
],
"text": [
"You might be interested in a previous question on a nuclear secrecy:\n\n* [Why was the design of Nuclear Submarines not given the same level of secrecy as the development of the nuclear bomb?](_URL_0_) - 2 comments, over 1 y... | [] | [] | [
[
"http://www.reddit.com/r/AskHistorians/comments/1ce5md/why_was_the_design_of_nuclear_submarines_not/"
],
[
"http://blog.nuclearsecrecy.com/2011/11/10/weekly-document-01/"
]
] | |
pbtgz | Is there a correlation between introversion and intelligence? | In popular media intelligence and introversion often go together but is this view supported by the available data? Is intelligence associated with introversion or are they orthogonal? | askscience | http://www.reddit.com/r/askscience/comments/pbtgz/is_there_a_correlation_between_introversion_and/ | {
"a_id": [
"c3o3t36",
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"c3o68az",
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"score": [
42,
65,
4,
20,
3
],
"text": [
"[source](_URL_0_)\n\n > It is usually assumed, with good reason, that intelligence, as defined by Spearman's g, is not correlated with personality. A good... | [] | [] | [
[
"http://books.google.ca/books?hl=en&lr=&id=DDT-DxHJ5JYC&oi=fnd&pg=PA3&dq=personality+and+intelligence&ots=mI_3G0j9mC&sig=PTAhmOa9mj4oy3FqnHZTxg6gDaY#v=onepage&q=personality%20and%20intelligence&f=false"
],
[],
[
"http://dx.doi.org.focus.lib.kth.se/10.1016/j.paid.2... | |
jhaac | why do onions make me cry? | There's no emotional attachment, and I don't feel bad for cutting it to pieces, so why? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/jhaac/eli5_why_do_onions_make_me_cry/ | {
"a_id": [
"c2c3gya",
"c2c41qu",
"c2c3gya",
"c2c41qu"
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"score": [
7,
2,
7,
2
],
"text": [
"Your eyes produce tears to wash away any irritants, such as smoke. Onions absorb chemicals from the ground when they grow, which are released as gas when you cut the onion open. ... | [] | [] | [
[],
[],
[],
[]
] | |
3bmujd | why is the sea clearer on beaches in spain and italy for example rather than england | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3bmujd/eli5_why_is_the_sea_clearer_on_beaches_in_spain/ | {
"a_id": [
"csnkies",
"csnl4o0"
],
"score": [
2,
3
],
"text": [
"In warmer climates the top layer of water is much warmer than the deeper water. This results in a more pronounced layer of warm water over the cold, which reduces mixing.\n\nAt least, that’s the explanation I’ve read before.... | [] | [] | [
[
"http://scienceline.ucsb.edu/getkey.php?key=178"
],
[]
] | ||
9v37kw | politicians forced to resign instead of getting fired? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9v37kw/eli5_politicians_forced_to_resign_instead_of/ | {
"a_id": [
"e98zli8",
"e9902xh"
],
"score": [
5,
2
],
"text": [
"It's extending a kindness to allow them to resign with dignity. The implication exists that if they don't, then they'll be fired. In those cases, if someone refuses, it's to take a stance and attempt to become a martyr. ",
... | [] | [] | [
[],
[]
] | ||
njuz5 | What is the actual benefit a sauna has on your health/body, if any? | In other words: Is there any significant positive effect to sitting in a sauna sweating your balls off? | askscience | http://www.reddit.com/r/askscience/comments/njuz5/what_is_the_actual_benefit_a_sauna_has_on_your/ | {
"a_id": [
"c39oc3p",
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"c39oc3p",
"c39okbc",
"c39q4t1"
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"score": [
36,
305,
2,
36,
305,
2
],
"text": [
"Our bodies react to heat and cold. If it's cold out, blood gets shunted away from the periphery and towards the core. (Of course... | [] | [] | [
[],
[
"http://ukpmc.ac.uk/abstract/MED/1017928",
"https://www.thieme-connect.com/ejournals/abstract/sportsmed/doi/10.1055/s-2003-42017",
"http://www.sld.cu/galerias/pdf/sitios/rehabilitacion-bal/sauna_arritmias.pdf",
"http://www.sciencedirect.com/science/article/pii/S1471015301000514",
"http:/... | |
4aet4y | What did the vikings (8th century) call England? | In ancient Norse language please. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4aet4y/what_did_the_vikings_8th_century_call_england/ | {
"a_id": [
"d1047dc"
],
"score": [
18
],
"text": [
"This is actually a pretty hard question to answer with the specific qualifier of the 8th century, as the name \"England\" didn't become commonplace until the 10th century or so, as we can see from the [England runestones](_URL_1_). In that later... | [] | [] | [
[
"https://upload.wikimedia.org/wikipedia/commons/2/20/U_194%2C_V%C3%A4sby.JPG",
"https://en.wikipedia.org/wiki/England_runestones",
"https://upload.wikimedia.org/wikipedia/commons/2/2f/Vs_18%2C_Berga.JPG",
"https://upload.wikimedia.org/wikipedia/commons/5/54/Sm_101%2C_N%C3%B6bbelesholm.JPG"
]
] | |
6wejr0 | what determines when water is too deep to drive through? | I live in Houston, and the news coverage is of course all about the flooding and weather due to Harvey. There are dozens of stories daily about people needing to be rescued from cars when they drove into flooded sections of road.
My question - in situations like this, what exactly determines when it's "too deep" to d... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6wejr0/eli5_what_determines_when_water_is_too_deep_to/ | {
"a_id": [
"dm7emnu",
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"dm7yrjh"
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"score": [
3,
3,
3,
3,
2,
2,
2
],
"text": [
"Physics issue, vehicle becomes buoyant and drag from the water exceeds friction from the tires, usually when the w... | [] | [] | [
[],
[],
[],
[],
[],
[],
[
"https://www.youtube.com/watch?v=Yehz2gUnNe0"
]
] | |
4wjlql | why is the ocean sometimes really dark, like in the north atlantic yet in some places a turquoise colour like in the caribbean or south pacific? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4wjlql/eli5_why_is_the_ocean_sometimes_really_dark_like/ | {
"a_id": [
"d67inou",
"d67m4ax",
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"d682myu"
],
"score": [
5413,
42,
14,
271,
8,
289,
2,
4,
5
],
"text": [
"It’s because dead animals and plants sink in water. That migh... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | ||
3vn11s | how can a corporation know how much will it gain by naming a stadium in sports? | If some company decides to name a sports arena how can they measure how much profitable it will be? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3vn11s/eli5how_can_a_corporation_know_how_much_will_it/ | {
"a_id": [
"cxoxp9a"
],
"score": [
2
],
"text": [
"Tons and tons of market research, such as comparison of how much sales figures of other companies have risen when they have named a sports arena after their company/a product."
]
} | [] | [] | [
[]
] | |
1cwb1q | "I am Arthur, King of the Britons!" "Who're the Britons?!" To what extent did medieval peasants have a sense of nation and state? Did they know of, or care about, their kings and lords? | The funny [Monty Python](_URL_0_) bit that somewhat inspired my question (along with generally wondering) | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1cwb1q/i_am_arthur_king_of_the_britons_whore_the_britons/ | {
"a_id": [
"c9klcbv",
"c9klmo5",
"c9km9h0"
],
"score": [
5,
25,
11
],
"text": [
"By the 12th century, you have the Historia Regum Britanniae by Geoffrey of Monmouth and it was quickly adapted by Wace and Layamon into different styles. Basically, it's a creation story that makes B... | [] | [
"http://www.youtube.com/watch?v=-8bqQ-C1PSE"
] | [
[],
[],
[]
] | |
6d9k66 | Were the Parthians/Sassanids extreme in their way of humiliating rivals compared to the Romans or other ancient empires? | So I just learned about how after the defeat at Carrhae Crassus was humiliated in a brutal way together with multiple Roman captives, by parading the mutelated head of his son and Roman soldiers around Mesopotamia, and the act of killing the man in and of itself. I also recall Valerian, after his capture, being used as... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6d9k66/were_the_parthianssassanids_extreme_in_their_way/ | {
"a_id": [
"di16yxj"
],
"score": [
28
],
"text": [
"The Romans were great fans of crucifixion, which is truly a horrible, agonising way to die. Allegedly the Crassus who got gold down the throat put up 6,000 crosses along the Appian Way after Spartacus' revolt (Appian. 13.120) to punish the rebel... | [] | [] | [
[
"http://penelope.uchicago.edu/Thayer/E/Roman/Texts/Cassius_Dio/51*.html",
"http://www.perseus.tufts.edu/hopper/text?doc=Perseus%3Atext%3A1999.02.0078%3Abook%3D5%3Achapter%3D9",
"http://penelope.uchicago.edu/Thayer/E/Roman/Texts/Suetonius/12Caesars/Nero*.html",
"http://penelope.uchicago.edu/Thayer/... | |
4ptfu7 | Why is it that our fingers can support our body weight, but people struggle lifting themselves with their entire arms? | Edit: Thanks for the answers guys. Was genuinely confused by that one. | askscience | https://www.reddit.com/r/askscience/comments/4ptfu7/why_is_it_that_our_fingers_can_support_our_body/ | {
"a_id": [
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"score": [
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7,
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"text": [
"Skeletal system vs muscular system.\n\n",
"Because supporting yourself is easy. You're just putting something between you and the ground and it's not gonna compress (ideally).... | [] | [] | [
[],
[],
[],
[]
] | |
4gam65 | antibiotic resistance? does dosage time matter? | I'm being treated for tuberculosis with four anti-biotics.
If I take them an hour late - will that effect the bacteria and cause resistance? Or is it aslong as its taken morning or night? Just would like the understand the science. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4gam65/eli5_antibiotic_resistance_does_dosage_time_matter/ | {
"a_id": [
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"score": [
2,
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"text": [
"I'm definitely not a healthcare professional, but I do have a double major in bio and micro bio.\n\nThe general question of duration seems straightforward.\n\nHypothetically, yes increasing the time between antibiotics could... | [] | [] | [
[],
[]
] | |
5nq3fy | from a tap, why is a low-pressure stream clear, and a high-pressure stream white? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5nq3fy/eli5_from_a_tap_why_is_a_lowpressure_stream_clear/ | {
"a_id": [
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"score": [
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"text": [
"I'm going to go out on a limb here, not sure how correct this is going to be...\n\nLow pressure streams would be clear as they are a solid stream of water, whereas high pressure s... | [] | [] | [
[],
[],
[],
[]
] | ||
4mcll4 | Where did the idea of the U.S. in WW2 having immensely inferior technology and skill come from and why is it so prevalent today? | It seems to me at least that the average person has this idea of the allies only winning by numbers while the Nazis had scientist 100s of years ahead of everyone else. The idea that tanks like the Sherman where somehow thin armored and awful death traps and that the Me 262 was revolutionary (despite the Meteor coming o... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4mcll4/where_did_the_idea_of_the_us_in_ww2_having/ | {
"a_id": [
"d3umfjj",
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"score": [
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37
],
"text": [
"I've literally never heard that view expressed. Can you give us an example of that view being supported?",
"You can thank a mixture of [Rommel Myth](_URL_3_) style politics that downplayed internal failures in favor of... | [] | [] | [
[],
[
"https://s-media-cache-ak0.pinimg.com/736x/11/5b/af/115baff8af76da1b4074f2b26c23188c.jpg",
"https://s-media-cache-ak0.pinimg.com/736x/54/a6/89/54a6894aec5bde46ea15413307b62058.jpg",
"http://cdn-www.cracked.com/articleimages/randall/MilitaryVehicles/MVJetcopter2.jpg",
"https://en.wikipedia.or... | |
3nkhwg | questions about dinosaur size. | My two questions are this.
I have read before that the largest animals on earth are in the sea because an animal any larger than an elephant would collapse under it's own weight. If this is so, how were dinosaurs able to be so much bigger?
Part 2. What made dinosaurs bigger than animals are now? What was the caus... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3nkhwg/eli5_questions_about_dinosaur_size/ | {
"a_id": [
"cvouwtu"
],
"score": [
3
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"text": [
" > because an animal any larger than an elephant would collapse under it's own weight.\n\nThis is incorrect. Check your source, or stop reading that source if this is what it is saying. \n\nPart 2: A couple of theories are out there. The levels ... | [] | [] | [
[]
] | |
eblwhm | How did Large Armenian Communities End up in the Levant and Balkans during the Middle Ages? What Roles did they Play in Society? | I'm interested in how enough of them ended up there to e.g. have an Armenian kingdom North of the Crusader states.
I've often come upon Armenian quarters in random Balkan cities and Armenian traders seemed to have gone everywhere. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/eblwhm/how_did_large_armenian_communities_end_up_in_the/ | {
"a_id": [
"fb8dh1g"
],
"score": [
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"text": [
"Armenian dispersal throughout the Middle East and Europe is largely attributed to the Byzantine Empire and their policies towards the many ethnic groups of the empire. The Byzantine Empire, while by virtue being Greek, it was never an empire of ... | [] | [] | [
[]
] | |
2ssis0 | will we gradually max-out the internet speed? | Are there diminishing returns on how fast we can actually make the internet go | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ssis0/eli5_will_we_gradually_maxout_the_internet_speed/ | {
"a_id": [
"cnsgyyp"
],
"score": [
8
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"text": [
"What you think of as \"internet speed\" is really more about \"how much data can you get per unit time?\" It's not like a car where you can look at it and say \"it's going 60mph.\" In that sense, we can't really do all that much to make the int... | [] | [] | [
[]
] | |
u6ujf | When is a person at their physical peak? | At what age does someone reach their physical peak?
EDIT: Let's say the person is a gymnast. | askscience | http://www.reddit.com/r/askscience/comments/u6ujf/when_is_a_person_at_their_physical_peak/ | {
"a_id": [
"c4stwnf",
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"score": [
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2
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"text": [
"Female or male (to your edit)? Females, in their teens. Males I believe in their mid to late twenties. I wish I had a source, but I read something about humans reaching their peak running shape at 27, and interestingly, i... | [] | [] | [
[],
[
"http://www.statcrunch.com/5.0/viewreport.php?reportid=6960",
"http://en.wikipedia.org/wiki/Gymnastics_all-around_champions_by_age"
]
] | |
241h9x | As sound has a greater velocity when passing through a denser material, would it be possible for sound to travel at the speed of light if the material were dense enough?? .... and if so what could happen if the material were even desnser? | * Given that the wave had enough energy if it's needed! | askscience | http://www.reddit.com/r/askscience/comments/241h9x/as_sound_has_a_greater_velocity_when_passing/ | {
"a_id": [
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"text": [
"Sound actually has a lower velocity when a material is denser. And no, the sound wouldn't be able to travel faster than the speed of light. In a perfect material, the speed of light would be the maximum speed of sound. ",
... | [] | [] | [
[],
[
"http://www.nikhef.nl/~t32/relhyd.pdf"
]
] | |
oldlt | how was the united states able to win the 1991 gulf war so quickly? | I understand that Iraq had an enormous army, was highly entrenched in Kuwait, and was essentially ready to fight hard against the US. How was it that the US was able to destroy Saddam Hussein's army so easily?
Does it essentially boil down to air superiority? If that was a big factor, what was it about the US aircraft... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/oldlt/eli5_how_was_the_united_states_able_to_win_the/ | {
"a_id": [
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"text": [
"I'll try and go against my nature and be brief. \n\n1). Air power is the only power-You have your army sit still though a 6 month bombing campaign (the first to use revolutionary guided missiles) and see if they can put up a... | [] | [] | [
[],
[]
] | |
32cjue | how come my wireless mouse works with one battery? | I have a Logitech m705 wireless mouse, and like most others it requires two double A batteries. I recently found out that removing one of the batteries does not hinder the device's performance. Out of curiosity, I ask why this is so. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/32cjue/eli5_how_come_my_wireless_mouse_works_with_one/ | {
"a_id": [
"cq9xi9x"
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"score": [
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"text": [
"Because the device has a low enough voltage requirement that the batteries are wired in parallel rather than in series. This gives a longer run time, and since people are used to putting two batteries in mic, and there's room enough, they just co... | [] | [] | [
[]
] | |
fk5wwl | What explains the denigration in Scots/Anglo relations from having Scottish James VI becoming King of England in 1603 to the Battle of Culloden in 1745? | Did the Hanoverians just have it out for them as soon as they came over and assumed power? Did it have anything to do with divisions of religion? I mean, the English and the Scots have always had a tempestuous relationship, but they did achieve a peaceful unity of their crowns so how’d it fall from there? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/fk5wwl/what_explains_the_denigration_in_scotsanglo/ | {
"a_id": [
"fkrbwxk"
],
"score": [
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"text": [
"Essentially the answer is that thinking of both of these events simply in terms of 'England' and 'Scotland' is not the full picture. This answer might get slightly long-winded (what can I say, I'm quarantined!), but hopefully I can help.\n\nFirst... | [] | [] | [
[]
] | |
9zmbty | what is docker and docker-compose | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9zmbty/eli5_what_is_docker_and_dockercompose/ | {
"a_id": [
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10
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"text": [
"Docker is a Tool for container virtualization, it is like running a virtual machine but multiple container can use one operation system, making docker more scalable, faster and smaller.\n\nDocker compose is the file with th... | [] | [] | [
[],
[]
] | ||
3hrl4h | why can someone's teeth feel fine yet they can go to the dentist and have multiple cavities? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3hrl4h/eli5_why_can_someones_teeth_feel_fine_yet_they/ | {
"a_id": [
"cu9xjsp"
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"score": [
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"text": [
"Only the very inside of teeth have nerves in them, the rest is just specialized bones. You can't feel if the hard calcium parts have holes in them, you only feel when the nerves start being damaged. "
]
} | [] | [] | [
[]
] | ||
7459r0 | While cleaning out my grandmother's closet, we came across a Nazi armband. Can any WWII/Nazi historians weigh in on the authenticity of this piece? [PICS LINKED] | Please follow the links to see pictures of the armband in question.
(_URL_0_)
(_URL_1_)
Unfortunately my grandmother is passed so any answer as to where this came from and how authentic it is have been lost with her. This is why I'm coming to you. Any help is appreciated.
Thank you in advance! | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7459r0/while_cleaning_out_my_grandmothers_closet_we_came/ | {
"a_id": [
"dnvt6jf",
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36,
3,
7
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"text": [
"Based on the tag it is real.\n\nDid your grandmother have a husband, brother, or father who fought in WW2? Nazi paraphernalia often shows up in estate sales because it was often brought home as trophi... | [] | [
"https://imgur.com/a/Jbq8J",
"https://imgur.com/a/Y6Kun"
] | [
[],
[],
[]
] | |
1zmtdm | In actual medieval warfare, how likely was it for a sword to get stuck in a body that it was striking? As often as seen in movies? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1zmtdm/in_actual_medieval_warfare_how_likely_was_it_for/ | {
"a_id": [
"cfvj8zt"
],
"score": [
2
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"text": [
"Very uncommon for the simple fact that the force needed to swing a sword so deep into a man that the blade sticks and is clenched by the flesh is ridiculous. you would more likely see weapons like Axes or Spears be stuck in bodies, though an axe... | [] | [] | [
[]
] | ||
pl0x8 | Why were the Sudeten Germans so unsatisfied with being part of Czechoslovakia? | Were they discriminated against, or was the reason just nationalism (stemming from historical anomosity)? Given that such a vast majority of the Sudeten Germans supported the Nazi party (over 90% if I remember correctly from school), there must surely have been discrimination that turned even the less nationalist-minde... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/pl0x8/why_were_the_sudeten_germans_so_unsatisfied_with/ | {
"a_id": [
"c3q7tas",
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"score": [
3,
2
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"text": [
" > Were they discriminated against, or was the reason just nationalism (stemming from historical anomosity)? Given that such a vast majority of the Sudeten Germans supported the Nazi party (over 90% if I remember correctly f... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Expulsion_of_Germans_from_Czechoslovakia"
]
] | |
4fzbqx | Does how much a person dream effect how rested they will be after waking up? | I have heard that people always dream during sleep but most don't remember their dreams after they wake up. I almost always remember my dreams after waking so I'm wondering if I just dream more than most people and if, either way, it effects my level of rest. | askscience | https://www.reddit.com/r/askscience/comments/4fzbqx/does_how_much_a_person_dream_effect_how_rested/ | {
"a_id": [
"d2p51uo"
],
"score": [
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],
"text": [
"I'll do this one mostly from memory, I hope others can back me up or correct me if needed.\n\nFor sleep, the REM phase is often considered one of the most important parts of good quality sleep. There have been experiments where they continuously ... | [] | [] | [
[
"http://why-we-dream.com/remstate.htm",
"http://www.webmd.com/sleep-disorders/news/20130118/alcohol-sleep",
"https://www.azumio.com/blog/health/sleep-cycle-why-you-should-wake-up-during-your-lightest-sleep"
]
] | |
3rar35 | When and how did 750 mL become the standard size for wine and liquor bottles? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3rar35/when_and_how_did_750_ml_become_the_standard_size/ | {
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"text": [
"Moderator note: This is an AskHistorians thread. We expect answers to be in-depth, comprehensive and, more to the point this time around, *actually answering the question the... | [] | [] | [
[],
[
"http://www.sha.org/bottle/liquor.htm",
"http://vins-krick.fr/actualites--7-.html?page=4",
"https://books.google.ca/books?id=A5sRAAAAIAAJ&pg=PA31&lpg=PA31&dq=english+%22double+gallon%22&source=bl&ots=J2y4i6YxeY&sig=pp76lSkNFkmYRhOjOj51liBEGus&hl=en&sa=X&ved=0C... | ||
3tmaf4 | why is the last minute on a washing machine always like 2.5 minutes? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3tmaf4/eli5_why_is_the_last_minute_on_a_washing_machine/ | {
"a_id": [
"cx7d796"
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"score": [
21
],
"text": [
"I don't know about yours, but my front loader has an automatic balancing mechanism which sometimes takes several tries to get up to high speed without wobbling. They don't factor this time into the estimate. (But it's a lot better than our top... | [] | [] | [
[]
] | ||
kqxbj | continuously variable transmissions | I tried to Googling this, but it went above my head. Can someone explain it in big boy words? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/kqxbj/eli5_continuously_variable_transmissions/ | {
"a_id": [
"c2mli28",
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"score": [
3,
3
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"text": [
"I'll give it a go. There are a few different ways of making a CVT, so I'll just stick to the basic principles for now--the idea behind the CVT.\n\nBecause this ended up being pretty long, I'm breaking it up into sections, co... | [] | [] | [
[
"http://www.reddit.com/r/explainlikeimfive/comments/kqxbj/eli5_continuously_variable_transmissions/c2mlimo",
"http://www.reddit.com/r/explainlikeimfive/comments/kqxbj/eli5_continuously_variable_transmissions/c2mlip7",
"http://www.reddit.com/r/explainlikeimfive/comments/kqxbj/eli5_continuously_variable... | |
f64d24 | How does an airplane's tailwind effect it's lift and thrust? | That tailwind increase the speed of an airplane at first makes total sense. It's like if you are on a moving train and you walk from the back to the front, the train's movement would augment your speed. So I get that.
But I'm curious about tailwind and lift. If I understand correctly, a plane's engines move air opposi... | askscience | https://www.reddit.com/r/askscience/comments/f64d24/how_does_an_airplanes_tailwind_effect_its_lift/ | {
"a_id": [
"fi2xi97"
],
"score": [
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],
"text": [
"All that matters is your relative speed towards the air surrounding you. That's what your airspeed indicator shows. So, in level, stable flight, a constant tailwind doesn't matter at all. However, when conditions change, it becomes relevant. For... | [] | [] | [
[]
] | |
4bd84d | Why did soldiers of the Napoleonic era march in neat lines into gunfire without breaking into a run/ ducking? | Okay, I get the principal - they had to get so close in order to open fire themselves, but did they really just keep marching in formation into gunfire as the front rows were wiped out, like in the movies? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4bd84d/why_did_soldiers_of_the_napoleonic_era_march_in/ | {
"a_id": [
"d181z35"
],
"score": [
2
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"text": [
"I would recommend you look at this [previous answer I gave](_URL_0_). If you have any other questions, I would willingly answer them."
]
} | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/2ozatt/did_line_infantry_really_march_into_enemy_fire_at/"
]
] | |
1sxgnq | hi reddit. what is privatization and why is it bad for a country? | I am a Mexican living abroad and have got all those privatization news about Gas and Oil. Everybody back in my Country are in a state of panic and disappointment and most people speak of what a terrible outcome this will have, but I am not so sure why and how bad can it be. I feel I cannot formulate an opinion because ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1sxgnq/eli5hi_reddit_what_is_privatization_and_why_is_it/ | {
"a_id": [
"ce26rrs",
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"score": [
3,
4,
2
],
"text": [
"Privatization is where the company is sold off by the government to private shareholders. This means that the government is no longer in control of the company. This is bad for energy and service compan... | [] | [] | [
[],
[],
[]
] | |
4d9wha | How disastrous were the Napoleonic Wars to Spain's economy and empire? | I'm currently looking at the rise and fall of the Spanish empire through an economic lens and I know that often times the Napoleonic wars are cited as one of the final 'nails in the coffin' for Spain as a world power.
I was wondering how disastrous Spain's involvement in the Napoleonic wars were for the economy and e... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4d9wha/how_disastrous_were_the_napoleonic_wars_to_spains/ | {
"a_id": [
"d1p5faa"
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"score": [
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"text": [
"There are some very interesting answers in this thread particularly regarding the loss of Spain's empire during this period:\n\n_URL_0_?\n\nBut basically, Spain's economy had been on a downward slop for a long time prior to the Napoleonic wars, a... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/4aof01/why_the_spanish_empire_did_not_start_a_kind_of/"
]
] | |
8e19k5 | How Did The Depiction Of Frankenstein's Monster Become What It Is Today? | In Shelley's book, the monster seems to be very intelligent. However, in modern culture, Frankenstein's monster seems to be little more than a zombie with scars and bolts on his neck. How did this change in depiction come about? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/8e19k5/how_did_the_depiction_of_frankensteins_monster/ | {
"a_id": [
"dxrojkr"
],
"score": [
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"text": [
"There's really not a lot of mystery here. The popular depiction is based on the 1931 Universal Pictures film *Frankenstein* starring Boris Karloff.\n\nEarlier film depictions of the monster are much different. The earliest surviving *Frankenstei... | [] | [] | [
[
"https://books.google.com/books?id=y0TCfCDrFhEC&q=frankenstein+karloff+seven+feet",
"https://www.youtube.com/watch?v=wY1bHlsmUwc&t=27s",
"https://corporate.findlaw.com/litigation-disputes/practitioner-s-guide-to-california-right-of-publicity-law.html",
"https://en.wikipedia.org/wiki/Lugosi... | |
6xjrkm | how do we see the full moon? | According to [Wikipedia](_URL_0_),
A full moon is the lunar phase that occurs when the Moon is completely illuminated as seen from Earth. This occurs when Earth is located directly between the Sun and the Moon.
But I was under the impression that a Lunar Eclipse occurs when that happens, since the Earth's shadow falls... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6xjrkm/eli5_how_do_we_see_the_full_moon/ | {
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5,
3,
3,
2,
2
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"text": [
"The moon doesnt orbit the earth at the same angle that the earth orbits the sun. This means that the shadow of the earth will usually la... | [] | [
"https://en.wikipedia.org/wiki/Full_moon"
] | [
[],
[],
[],
[],
[],
[]
] | |
dl3mi6 | why are astronaut's movements in space seemingly slow motion when there's no air/water resistance to slow them down? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dl3mi6/eli5_why_are_astronauts_movements_in_space/ | {
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"score": [
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"text": [
"There are a few reasons. Their suits are pressurized. The joint... | [] | [] | [
[],
[],
[],
[
"https://youtu.be/4QVeNY4HdNM?t=166",
"https://www.wikiwand.com/en/Apollo/Skylab_A7L",
"https://en.wikipedia.org/wiki/Extravehicular_Mobility_Unit",
"https://www.wikiwand.com/en/Apollo/Skylab\\_A7L"
],
[],
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8qvoti | why is it not possible that dinosaurs had beaks that didn’t fossilize? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8qvoti/eli5_why_is_it_not_possible_that_dinosaurs_had/ | {
"a_id": [
"e0meyjq",
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"score": [
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5
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"text": [
"Many dinos did have beaks, and those beaks fossilized with them. That said, even if no part of the beak remained, it would still be obvious that the had a beak, as we'd be able to see it in the skull structure, the same way ... | [] | [] | [
[],
[]
] | ||
4kfj6f | how does gps work by just asking a satellite what its time is? | I understand it works we use triangulation via asking 3 or 4 satellites information. But if I know I'm:
*X metres away from point 1
*Y metres away from point 2
*Z metres away from point 3
I can work out my location with triangulation...... but how do satellites sending out time signals equate to distance?
Also, ar... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4kfj6f/eli5_how_does_gps_work_by_just_asking_a_satellite/ | {
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"score": [
45,
3,
13,
5,
2
],
"text": [
"Yes - all the satellites have the same time, as they each have an atomic clock on board.\n\nNow, the signal takes an amount of time to travel from the satel... | [] | [] | [
[],
[],
[],
[],
[]
] | |
a7akxd | How were Confederate veterans treated in the decades after the American Civil War? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/a7akxd/how_were_confederate_veterans_treated_in_the/ | {
"a_id": [
"ec1l07b"
],
"score": [
3
],
"text": [
"More of course can be said, but this previous answer of mine on [commemoration I suspect will be of interest for you.](_URL_0_)"
]
} | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/6dpwtb/did_americans_in_the_1940s_recognize_the_american/di5ac7h/"
]
] | ||
6tsf7m | how come so many electronic devices can run the old doom so easily, and can other games like mega man or mario be played on the same devices | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6tsf7m/eli5_how_come_so_many_electronic_devices_can_run/ | {
"a_id": [
"dln9a3c"
],
"score": [
2
],
"text": [
"Doom was originally programmed for multiple platforms (e.g. PC, Mac...) and pretty much had multi-platform support from the get-go. Nowadays Doom's source code is open, which makes it even easier to make it run on different platforms.\n\nOther ga... | [] | [] | [
[]
] | ||
1ri7su | If you were to defend Louis 16 against his charge of treason, what would you say to defend him? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1ri7su/if_you_were_to_defend_louis_16_against_his_charge/ | {
"a_id": [
"cdnhuv0"
],
"score": [
4
],
"text": [
"I think that it would have been impossible to defend Louis whilst keeping your own head.\n\nFrance was scared at this time and lashing out at anyone that was even tagently connected to royalists, so defending Louis would be impossible since the p... | [] | [] | [
[]
] | ||
117nqg | Does it (technically) take an infinite amount of time for an event to occur? | Sorry if it has already been asked or if it's a stupid question but i'm curious for a answer.
Lets say that an event takes 10 seconds to completely occur. Looking at a number line, there are an infinite amount of numbers between 0 and 10. Does this mean that if a time measuring device which had "infinite resolution" ... | askscience | http://www.reddit.com/r/askscience/comments/117nqg/does_it_technically_take_an_infinite_amount_of/ | {
"a_id": [
"c6k0yrv",
"c6k0z9c",
"c6k124c",
"c6k15v9",
"c6k1gt6",
"c6k8wuu"
],
"score": [
21,
12,
18,
4,
7,
6
],
"text": [
"No, it would take 10 seconds.",
"No, things can happen in finite time. The problem you're referring to is known as [Zeno's parad... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Zeno's_paradoxes"
],
[
"http://en.wikipedia.org/wiki/Zeno's_paradoxes"
],
[],
[
"http://en.wikipedia.org/wiki/Cardinality",
"http://en.wikipedia.org/wiki/Measure_(mathematics\\)"
],
[]
] | |
7typo4 | why is there so much innovation & improvement with cellular technologies & speed(3g, 4g, 4g lte, 5g), but not with wired speeds? | Over the past 10 years, there has been tremendous improvement with cellular speeds. It used to be that cellular internet was good for text-based webpages, and that was about it. Nowadays, in many cases people have cellular internet that's faster than broadband available to them.
What are some of the reasons why cellu... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7typo4/eli5_why_is_there_so_much_innovation_improvement/ | {
"a_id": [
"dtg9eu8",
"dtg9j7n",
"dtganc2",
"dtgaqt9",
"dtgb40f",
"dtgjtdf"
],
"score": [
2,
10,
3,
6,
2,
2
],
"text": [
"You would be referring to the US I suppose? Because the cable companies have a monopoly and don't have an incentive to upgrade their se... | [] | [] | [
[],
[],
[],
[
"https://en.wikipedia.org/wiki/DOCSIS"
],
[],
[]
] | |
buafu8 | how can certain camouflaging octopi and squid emulate their surroundings as close as they do? | I tried to look around this sub for a similar question and cannot see one, but I’m really curious how it works. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/buafu8/eli5_how_can_certain_camouflaging_octopi_and/ | {
"a_id": [
"epav2g5",
"epavb6x",
"epb7uyv",
"epcfiml"
],
"score": [
7,
11,
3,
5
],
"text": [
"I can only answer on a cellular level: the skin cells of the octopus/squid have little packets of pigment stored within the cells. When the squid wants to change color, its brain ... | [] | [] | [
[],
[],
[],
[
"https://thedishonscience.stanford.edu/posts/octopus-vision-is-in-the-skin-of-the-beholder/"
]
] | |
614z2s | What do you think of the accuracy of the book Lies My Teacher Told me by James w. Lowen ? | I love history. I recently started reading it, and it's blowing my mind. I am curious to know how the facts presented in this book measure up with other historians. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/614z2s/what_do_you_think_of_the_accuracy_of_the_book/ | {
"a_id": [
"dfbrqyl"
],
"score": [
2
],
"text": [
"This question has come up a few times before. You may want to check out [this thread](_URL_1_), or [this one](_URL_0_) for answers about the general accuracy of the book. Are there any other particular things mentioned in _Lies_ which you were wo... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/1sbs53/how_well_regarded_is_the_book_lies_my_teacher/",
"https://www.reddit.com/r/AskHistorians/comments/uaoc7/is_lies_my_teacher_told_me_everything_your/"
]
] | |
2a211k | -why do we get darker in the sun but if we leave something outside it gets bleached white? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2a211k/eli5why_do_we_get_darker_in_the_sun_but_if_we/ | {
"a_id": [
"ciqp602"
],
"score": [
3
],
"text": [
"We get darker in the sun because our body is reacting to the sun damage, making us darker to try to protect us.\n\nRandom objects don't have any such defenses, so the colors are bleached out."
]
} | [] | [] | [
[]
] | ||
3eb00c | What is holding us back in making more efficient batteries, to store e.g. solar generated electricity? | I'm reading a lot of places that what really hinders renewable energy sources from reaching its peak is that we're unable to store energy properly. Could someone elaborate a bit on that?
Secondly, given that the statement is true, why can't we use rechargeable batteries, e.g. lithium batteries, to store the energy pro... | askscience | http://www.reddit.com/r/askscience/comments/3eb00c/what_is_holding_us_back_in_making_more_efficient/ | {
"a_id": [
"ctdcbw2",
"ctdccph",
"ctdek4y",
"ctdg2tq",
"ctdgy3s",
"ctdnd39",
"cteb126"
],
"score": [
79,
11,
6,
8,
6,
3,
2
],
"text": [
" We are using batteries to store excess renewable energy. Just not the kind of battery you're familiar with. T... | [] | [] | [
[],
[],
[
"https://en.m.wikipedia.org/wiki/Energy_density_Extended_Reference_Table"
],
[],
[],
[],
[
"https://en.wikipedia.org/wiki/Flywheel_energy_storage",
"http://www.velkess.com/"
]
] | |
29vvm0 | why when i kick a basketball hard enough it creates a lump? | Even as a kid we knew not to kick a basketball because youd ruin. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/29vvm0/eli5_why_when_i_kick_a_basketball_hard_enough_it/ | {
"a_id": [
"ciozw67"
],
"score": [
2
],
"text": [
"Basketballs are made of a rubberised (elastic) material. Every elastic material stretches and returns to its original length unless you stretch it past what is called 'the permanent stretching point' then the structure of the material is altered ... | [] | [] | [
[]
] | |
b48bq4 | what are yield curves in finance | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b48bq4/eli5_what_are_yield_curves_in_finance/ | {
"a_id": [
"ej4zyyg",
"ej5031o"
],
"score": [
5,
2
],
"text": [
"A yield curve is a graphical representation of a bunch of different bonds with the same credit quality, but different maturity dates. It helps you visualize how overall yield (money you will earn) changes as the length of t... | [] | [] | [
[],
[]
] | ||
dlb3gu | From the Siege of Yorktown in 1781, to the signing of the Treaty of Paris in 1783, what was the American Revolution like? Was there any fighting or major events? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/dlb3gu/from_the_siege_of_yorktown_in_1781_to_the_signing/ | {
"a_id": [
"f4p179p"
],
"score": [
3
],
"text": [
"The Battle of Yorktown was the end of major engagements between the Continentals and British. Henry Clinton was replaced, North and his government were replaced, and the British and Americans for the most part wanted to see how things went in Pa... | [] | [] | [
[]
] |
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