q_id stringlengths 5 6 | title stringlengths 3 301 | selftext stringlengths 0 39.2k | document stringclasses 1
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7i4uh4 | how does eye dilation by an optician work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7i4uh4/eli5how_does_eye_dilation_by_an_optician_work/ | {
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"I hope to distill this down, it's a little complicated because it involves pharmacology and physiology. \n\nSo the reason you want to dilate the eye is to take a good look at the structures at the back of it. The body has two basic systems, state... | [] | [] | [
[]
] | ||
qrbs8 | how do starcraft 2 commentators at major league gaming events comment on what's happening without giving away what's happening to the enemy team? | I dunno if I phrased that well.
I've never been to a MLG tourny, but I'd imagine they'd have the screens of computers projected so people could watch — right? Wouldn't that give away secrets to the other team? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/qrbs8/eli5_how_do_starcraft_2_commentators_at_major/ | {
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"The two opposing players are in sound proof rooms on the main stage during the high profile matches. During preliminary matches, the commentating is happening in a different room ... | [] | [] | [
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] | |
379a2s | US military in 1939-45 compared to US military in 1965-73? | I just wanted to know how tactics progressed, weapon balances changed (APCs per company, MGs per squad, planes per carrier), cooperation with other branches, and general differences between the US military in WW2 and the US military in Vietnam.
Got the idea after asking a veteran about the M-79 grenade launcher, and... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/379a2s/us_military_in_193945_compared_to_us_military_in/ | {
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"The infantry platoon in Vietnam was a culmination of experiences from the WWII and immediate post-war era, as you suggested. It took many concepts that were either in their infancy, or deeply flawed in execution, and attempted to perfect them.\n\... | [] | [] | [
[
"http://www.ibiblio.org/hyperwar/USMC/OOB/Regt-TOE-F/"
]
] | |
2uh169 | why does plaque only build up near the heart, causing heart attacks? why aren't kidney attacks, liver attacks, etc, more common? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2uh169/eli5_why_does_plaque_only_build_up_near_the_heart/ | {
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"It does build up other places. Heart attacks and strokes are just the most dramatic and immediately dangerous. \n\nYou have two kidneys. The liver is somewhat protected because it has a veinous blood... | [] | [] | [
[],
[],
[]
] | ||
1f608v | How do motor enzymes move through a cell? | What process allows the various things in a cell to move throughout it? how do those "cellular engines" function? | askscience | http://www.reddit.com/r/askscience/comments/1f608v/how_do_motor_enzymes_move_through_a_cell/ | {
"a_id": [
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"In the case of motor proteins that move along the cytoskeleton, they are structured in such a way that they have two \"feet\". The binding and dissociation of high energy compounds like ATP causes the \"feet\" to release from the skeleton and rea... | [] | [] | [
[]
] | |
yknig | what's the "#mm" for in front of camera lens? | Amateur here.
I got a Lumix GF3 last year and it came with a zoom lens. Someone told me I should have gotten the pancake lens instead and I really wish I did. I needed the zoom lens for a project long ago but now I have little use for it. It's a pain to carry around being that it's not a DSLR nor a regular point and sh... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/yknig/eli5_whats_the_mm_for_in_front_of_camera_lens/ | {
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"Reasonablefocal length explanation here: _URL_0_\n\n14mm means it's a really really wide lens, suitable for stuff like broad, sweeping landscape photos. Pancake is the actual shape of the lens, it's a physically flat one. Th... | [] | [] | [
[
"http://www.digital-photo-secrets.com/tip/215/what-does-the-mm-mean-on-a-lens/"
],
[
"http://en.wikipedia.org/wiki/Angle_of_view",
"http://en.wikipedia.org/wiki/Crop_factor"
]
] | |
14bqe4 | Would it be possible to have a quadruple bond between atoms? | In a covalence bond, there are single, double, and triple bonds, but can there be quad bonds?
Like bewtween 2 Carbon molecules? | askscience | http://www.reddit.com/r/askscience/comments/14bqe4/would_it_be_possible_to_have_a_quadruple_bond/ | {
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"_URL_0_\n\n_URL_1_\n\nDiatomic Carbon turns out to form a double bond but is highly unstable so we never really see it. Some transition metals can form quad bonds with d-orbital electrons.",
"For f... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Diatomic_carbon",
"http://en.wikipedia.org/wiki/Quadruple_bond"
],
[
"http://pubs.rsc.org/en/Content/ArticleLanding/2011/CC/c1cc15218a"
],
[]
] | |
55f2f3 | How are "scans" Of renaissance art made since flash photography can damage paintings? | askscience | https://www.reddit.com/r/askscience/comments/55f2f3/how_are_scans_of_renaissance_art_made_since_flash/ | {
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"There are many ways in which artwork is photographed or scanned.\n\nThe problem with flash photography is repeated exposure, such as a steady line of tourists in a museum. The main reason to use a flash is to increase the a... | [] | [] | [
[],
[]
] | ||
217j74 | what is really happening to people when they start to talk in tongues and claim that they have no control over their body? | Is there a medical explanation for this, or is it really divine intervention? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/217j74/eli5_what_is_really_happening_to_people_when_they/ | {
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"text": [
"I thought speaking in tongues was a language that was directly spoken between you and \"God\". Growing up in Church and see this, I assume now it was nothing more than overwhelmin... | [] | [] | [
[],
[],
[],
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] | |
13d02d | If one parent had a gamete that was missing a chromosome (turners syndrome) and the other parent had a gamete with an extra chromosome (down's syndrome), would they be able to form a normal healthy baby? | askscience | http://www.reddit.com/r/askscience/comments/13d02d/if_one_parent_had_a_gamete_that_was_missing_a/ | {
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"No, because each condition affects different chromosomes, respon... | [] | [] | [
[
"http://www.medicinenet.com/turner_syndrome/article.htm",
"http://www.ds-health.com/trisomy.htm"
],
[
"http://en.wikipedia.org/wiki/Turner_syndrome"
],
[
"http://en.wikipedia.org/wiki/Turner_syndrome",
"http://en.wikipedia.org/wiki/Down_syndrome"
],
[],
[],
[
"http://en.wik... | ||
4vldma | bonds (finance) | I have trouble understanding bonds because as far as I can tell they're not any different from loans. What characteristics are supposed to set bonds apart? I'm learning about them in a macroeconomics class but I don't understand what's unique about them. Examples would be helpful too.
As a side note, what is their rel... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4vldma/eli5_bonds_finance/ | {
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"When a company needs money to expand it has two options: Loans and bonds. From whom the money is borrowed sets the two apart.\nA loan is money borrowed from a banking institution a... | [] | [] | [
[],
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[],
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] | |
2799kb | From a 1910s/1920s Photo Album in Europe...Any ideas? | _URL_0_
This image was taken between 1918-1923 and was found in an album amongst other pictures somewhere in Europe. Any ideas as to where it is?
| AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2799kb/from_a_1910s1920s_photo_album_in_europeany_ideas/ | {
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"text": [
"[Palais Longchamp](_URL_1_)\n\n[Basilica of Notre-Dame de Fourvière](_URL_0_)"
]
} | [] | [
"http://imgur.com/zzBtbKb"
] | [
[
"http://en.wikipedia.org/wiki/Basilica_of_Notre-Dame_de_Fourvi%C3%A8re",
"http://en.wikipedia.org/wiki/Palais_Longchamp"
]
] | |
3kbnz7 | How long would it take a photon to go from the core of VY Canis Majoris to the surface? | I'm aware the path of a photon in a star is a random walk, and that it takes around a 1.7*10^5 years to go from the core of sol to the surface, on average. I made a few calculations, and found out that it would take almost a light hour for a photon to cross the radius of VY Canis Majoris in a vacuum. So the random wal... | askscience | https://www.reddit.com/r/askscience/comments/3kbnz7/how_long_would_it_take_a_photon_to_go_from_the/ | {
"a_id": [
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"It's not really a random walk between atoms. We can tell that's wrong because if it were the case, there would be a lot more variance in the speed of light through a material than we actually observe.\n\n[Here](_URL_0_) is an explanation which pu... | [] | [] | [
[
"https://www.reddit.com/r/askscience/wiki/physics/light_through_material",
"http://www.askamathematician.com/2013/08/q-why-does-it-take-thousands-of-years-for-light-to-escape-the-sun/"
]
] | |
2jaq6v | how are china and india not huge powers in international soccer? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2jaq6v/eli5_how_are_china_and_india_not_huge_powers_in/ | {
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"text": [
"In India the most popular sport is cricket, and they are the current Cricket World Cup holders",
"For much the same reason that the USA isn't, either. It's not yet a hugely popular sport in those co... | [] | [] | [
[],
[],
[]
] | ||
14p1vs | When using a Passive Optical Network to transfer data over fiber optics, how does it combine data to send it upstream to the Internet? | I've been doing research into systems of Fiber Optic networks for consumer use (Verizon FiOS, SaskTel infiNET, to name a couple that have come up, both use Passive Optical Networks and have fiber right to the customer's premises.)
For those that don't know, Passive Optical networks are a way of transfering data across... | askscience | http://www.reddit.com/r/askscience/comments/14p1vs/when_using_a_passive_optical_network_to_transfer/ | {
"a_id": [
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"text": [
"They optically combine just like they are optically split, but in reverse. The key is to avoid data overlap. \n \nThere are two ways to do that: Time Division Multiplexing and Wavelength Division Multiplexing. With TDM, each customer sends data o... | [] | [
"http://en.wikipedia.org/wiki/File:PON_vs_AON.png"
] | [
[]
] | |
a32xnv | During the establishment of proper government run schools in the US in the early 20th Century, was there pushback against ‘socialism’ or government control of education? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/a32xnv/during_the_establishment_of_proper_government_run/ | {
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"text": [
"Given the 10th amendment, education is up to the states. As a result, the creation of a publicly-funded schools looked different in every area of the country. There are, though, some patterns that speak to your question. \n\nThomas Jefferson was ... | [] | [] | [
[]
] | ||
20fdv9 | what's so wrong with steaks cooked well done? | I am not trying to cause a deep internet argument, but I genuinely have been eating steaks cooked well done for my whole life. Just want to know why well done steaks are seen as such an insult to beef before I decide to order one as rare or medium rare. What makes steak okay to eat rare but not other meats such as chic... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/20fdv9/eli5_whats_so_wrong_with_steaks_cooked_well_done/ | {
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[],
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"http://www.buedelmeatu... | |
17klo5 | Hey askhistorians, Im interested to know, what do you think of Maximilian Robespierre? | He's often painted to be a paranoid maniac (which he was to an extent). But at the same time he was an astute politician, who (at least at the start) wanted greater Democracy. He was also one of the only politicians to argue against war 'nobody loved armed missionaries'. So was he a power hungry maniac who he is often ... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/17klo5/hey_askhistorians_im_interested_to_know_what_do/ | {
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"text": [
"I would remind everyone here that, even though phillybdizzle has asked for historians' opinions, we still expect you to provide valid sources to *support* your opinions - [as per the rules of this subreddit](_URL_0_).\n"
]
} | [] | [] | [
[
"http://www.reddit.com/r/AskHistorians/wiki/rules#wiki_top-level_comments"
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an2ir6 | when breathing, how do our lungs stay "clean" from foreign objects in the air? | I was in a room at work recently that had a mold issue and someone made comment that mold was going to grow in my lungs. I am fairly certain that's not a thing that happens but it got me curious about the possibility of something like that occurring and how our body would handle it. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/an2ir6/eli5_when_breathing_how_do_our_lungs_stay_clean/ | {
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" > I am fairly certain that's not a thing that happens\n\nIt kinda is. Depends on mold of course, but its a possibility.\n\nOverall however, your nose acts as a filter to get some random shit stuck (and come out with mucus).... | [] | [] | [
[],
[]
] | |
1xio1b | How does the brain convert photons to memory? | Forgive me if I'm simplifying this too much and I'm aware this simply may not have an answer but I thought I'd ask anyway.
When my visual cortex receives signals from the opsins in my retina saying "x-opsin received a photon with y-frequency, interpret it as z-color", does my memory store the information from this ind... | askscience | http://www.reddit.com/r/askscience/comments/1xio1b/how_does_the_brain_convert_photons_to_memory/ | {
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"text": [
" > When my visual cortex receives signals from the opsins in my retina saying \"x-opsin received a photon with y-frequency, interpret it as z-color\", does my memory store the information from this individual photon/opsin?\n\nKind of. \n\nMemor... | [] | [] | [
[
"http://www.cns.nyu.edu/~wendy/class/2006sp/reading9/Fuster_1971.pdf",
"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2588137/"
]
] | |
1cz4e3 | Has there ever been a recorded instance of a political leader whose spouse was calling the shots? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1cz4e3/has_there_ever_been_a_recorded_instance_of_a/ | {
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"text": [
"You might be interested to read about first lady Edith Wilson, who acted as a sort of secretary when Woodrow Wilson was ill in 1919-20. She claims she did not make any decisions ab... | [] | [] | [
[
"http://www.britannica.com/EBchecked/topic/644666/Edith-Wilson"
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[
"http://en.wikipedia.org/wiki/Marcian",
"http://en.wikipedia.org/wiki/Pulcheria"
],
[
"http://en.wikipedia.org/wiki/Miriam_A._Ferguson",
"http://www.tshaonline.org/handbook/online/articles/ffe06"
],
[
"http://... | ||
oa7mo | Please explain what occurred during the development of an orange that caused some sections of it to have the characteristics of a different variety. | The following image of an orange with different colored sections was submitted to pics: _URL_1_
I wanted to explain it as scientifically as possible, but I grew weary trying to refresh my knowledge of all things horticulture so I could do an acceptable job explaining it.
[The original poster](_URL_0_) did not indica... | askscience | http://www.reddit.com/r/askscience/comments/oa7mo/please_explain_what_occurred_during_the/ | {
"a_id": [
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"text": [
"Variegated segments or patches--the most visible form of mosaicism, which is a very common phenomenon (you're a mosaic, just not as dramatically)--can result from several different mechanisms. This isn't really my field, and plants especially ar... | [] | [
"http://www.reddit.com/r/pics/comments/o9j2c/i_think_my_orange_is_having_an_identity_crisis/",
"http://i.imgur.com/CKx4g.jpg",
"http://www.google.com/search?rlz=1C1AFAB_enUS460US460&q=cara+cara+orange&um=1&ie=UTF-8&hl=en&tbm=isch&source=og&sa=N&tab=wi&ei=FaQLT-SiCeidiQKBxoSfB... | [
[]
] | |
3xsrkn | Was the development of Australia impeded in any way by the population of criminals? | [deleted] | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3xsrkn/was_the_development_of_australia_impeded_in_any/ | {
"a_id": [
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"text": [
"The opposite is true. The convicts were made to work and used as a slave labor force with a 'ticket of leave' (emancipation) as a carrot for good behaviour. As a result the convicts often worked very hard during public works (e.g. the road to Bat... | [] | [] | [
[]
] | |
79hfqu | why do we still have those big brick converters for computer chargers? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/79hfqu/eli5_why_do_we_still_have_those_big_brick/ | {
"a_id": [
"dp1xhyv",
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"score": [
3,
2
],
"text": [
"Heat and cost\n\nThe devices used in converting the power produce heat, you need enough volume and surface area to dissipate that heat into the keep things from getting too hot\n\nThey could spend more and get some exotic pa... | [] | [] | [
[],
[]
] | ||
feeev | What specific qualities/personality traits do you need to be successful as a researcher? | askscience | http://www.reddit.com/r/askscience/comments/feeev/what_specific_qualitiespersonality_traits_do_you/ | {
"a_id": [
"c1fawe6",
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2,
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"text": [
"I think by far the most important quality is intellectual honesty, which supports [critical thinking](_URL_0_). You have to be able to accept that your favourite hypothesis was *wrong*, if the evidence ... | [] | [] | [
[
"http://www.youtube.com/watch?v=6OLPL5p0fMg"
],
[],
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] | ||
347egw | why is there a fire fountain of burning oil at oilrigs/oilswells? | ELI5:Why is there allways a fountain of burning oil thats burns at oilrigs/oilswells?
It burns none stop, how is it not a waste of oil?
| explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/347egw/eli5why_is_there_a_fire_fountain_of_burning_oil/ | {
"a_id": [
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"text": [
"Burning oil well is a problem. But typically it's burning natural gas. Because it's not cost effective to transport natural gas to market. And you don't want to store a flammable. Do you just burn it",
"That's not o... | [] | [] | [
[],
[]
] | |
cy2xux | why, after drinking, does some areas of your body hurt to touch? | Say after a night of fairly heavy drinking, the following day some places are very tender and almost sore to touch, especially your chest, top of you back, arms, etc.
Any explanation for this? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cy2xux/eli5_why_after_drinking_does_some_areas_of_your/ | {
"a_id": [
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"text": [
"It's cancer.\n\nBut seriously, it's most likely dehydration which can cause muscle and joint pain. That's why it's a good idea to drink lots of water before going to sleep."
]
} | [] | [] | [
[]
] | |
2k8fzk | injecting significant amount of air into the body | We are talking about injections in class, everyone thinks /knows enough air in the vein/arteries will kill you.
How much does it take to kill you? What exactly happens when lethal amount of air "kills" you? and what if the air bubble is injected into the muscle instead of blood vessel? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2k8fzk/eli5_injecting_significant_amount_of_air_into_the/ | {
"a_id": [
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"text": [
"I hope you're not thinking about experimenting with this. (If you do, you have my vote for next year's [darwin awards](_URL_0_))\n\nYour blood vessels are of all shapes and sizes...well, okay, mostly tube-shaped, but with many different diameters... | [] | [] | [
[
"http://www.darwinawards.com/"
]
] | |
5kxyj3 | why is cutting a sheet of paper a good test for the quality of a knife? | Whenever I see a video detailing the quality of a knife, one of the standard "go-to" tests is cutting a single sheet of paper. To me, a knife would be more impressive if it cut through a much harder material than paper. Is there a reason that the paper test is a good indicator of knife quality?
EDIT: Grammar | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5kxyj3/eli5_why_is_cutting_a_sheet_of_paper_a_good_test/ | {
"a_id": [
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"text": [
"It's not a measure of the quality but rather the sharpness. Paper is pretty flimsy and so when a dull knife is put to the edge it just flops over and doesn't get cut. However when a really sharp knife is put to the edge it immediately starts to ... | [] | [] | [
[]
] | |
2lv1kc | what really goes on during nuclear peace talks? | As I look at the picture in [this article](_URL_0_), I am left with the pressing questions of what it must be like to be in the room. What gets discussed? Are these people prepared enough to talk about it? What else gets brought up? Is it awkward? Is it effective?
| explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2lv1kc/eli5_what_really_goes_on_during_nuclear_peace/ | {
"a_id": [
"clyfi3j"
],
"score": [
3
],
"text": [
"The central problem of nuclear disarmament talks is figuring out how to make an agreement that can be verified and enforced so that one (or both) sides do not cheat. It is understood that all nations are capable of deceit in the never ending man... | [] | [
"http://www.reuters.com/article/2014/11/10/us-iran-nuclear-talks-idUSKCN0IU0KO20141110?feedType=RSS&feedName=wtMostRead"
] | [
[]
] | |
1g2ult | What was life in Germany like in the month between Hitler's death and Germany's surrender? | I had thought Germany had surrendered the same day Hitler committed suicide, but he died April 30, 1945 and battles continued well into May.
What would it have been like for German soldiers to fight with the fuhrer dead and the Reich crumbling? Did they still follow orders? Did Nazi officers run for the hills? I can o... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1g2ult/what_was_life_in_germany_like_in_the_month/ | {
"a_id": [
"cag80n5",
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"cagckda",
"cagfw6e",
"cagknqh"
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"score": [
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21,
73,
40,
11,
5
],
"text": [
"I recommend reading about what the Soviets did with POWs, that could account for part of the fighting, not wanting to be captured b... | [] | [] | [
[],
[],
[],
[],
[
"http://en.wikipedia.org/wiki/The_World_at_War",
"http://en.wikipedia.org/wiki/Traudl_Junge",
"http://movies.netflix.com/WiMovie/The_World_at_War_Collector_s_Edition/70102599?locale=en-US"
],
[
"http://www.amazon.com/The-Last-Battle-German-Soldiers/dp/0306822083/ref=as_... | |
2ugcjg | why is most football played in the winter? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ugcjg/eli5_why_is_most_football_played_in_the_winter/ | {
"a_id": [
"co84xoy"
],
"score": [
6
],
"text": [
"It is mostly played in the Fall. College and High School start in August. NFL in September. 90% of all games are done by December first. The remaining ones are just more high profile. "
]
} | [] | [] | [
[]
] | ||
8mmuol | Did Pangaea affect the rotation of the earth due to an imbalance of mass? | askscience | https://www.reddit.com/r/askscience/comments/8mmuol/did_pangaea_affect_the_rotation_of_the_earth_due/ | {
"a_id": [
"dzqlzo5",
"dzrfj2b"
],
"score": [
6,
2
],
"text": [
"The continental crust makes up about 0.3% of the total mass so any effect of imbalance would be negligible. As a point of interest the current configuration of continental crust is predominantly on one half of the planet tod... | [] | [] | [
[],
[]
] | ||
408r6n | how can the lottery be a tax on "stupid" or "poor" when it only costs $1? | I find $1 in change in my dirty pants pocket or my couch. Might as well put it towards the ability to win millions, even if the government tax the winnings. What am I missing? I get odds and chances, but for a dollar, seems worth it. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/408r6n/eli5_how_can_the_lottery_be_a_tax_on_stupid_or/ | {
"a_id": [
"cysapad",
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"cysarh5",
"cysbslk",
"cysdj86"
],
"score": [
2,
2,
8,
8,
6
],
"text": [
"Hang around the corner store for an hour or so and you'll see at least one person blow 50+ dollars on the lotto. ",
"Because they keep on buying tickets, ... | [] | [] | [
[],
[],
[],
[],
[]
] | |
33xo22 | Are there any 'Western' movies that ARE historically accurate? | After reading a few posts about the inaccuracy of many Western movies in regards to the shootouts that didn't happen, I'm curious as to the most accurate portrayal of life in the old West in film or TV.
Obviously the day-to-day would be quite mundane, so some drama is expected, but is there a movie or TV series that r... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/33xo22/are_there_any_western_movies_that_are/ | {
"a_id": [
"cqpi919"
],
"score": [
32
],
"text": [
"The movie Tombstone is considered to be one of the more historically accurate movies despite it dealing with legendary characters engaging in the iconic alley shootout (which were rare).\n\nMuch the accuracy is shown in things like the character... | [] | [] | [
[
"http://www.imdb.com/title/tt0108358/faq",
"http://www.sccs.swarthmore.edu/users/98/dylan/tomb/",
"http://askville.amazon.com/factual-errors-made-movie-Tombstone/AnswerViewer.do?requestId=42217978"
]
] | |
ccgpqv | Did any Japanese Ronin or Samurai ever travel beyond Japan towards Europe in the Medieval/Early Renaissance Era? | From the 1300-1500 A.D.
I am trying to find the above information but cannot seem to find any cases of the sort through browsing. Can anyone list any cases of of this occuring or have no Ronin saught glory elsewhere? Thanks. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/ccgpqv/did_any_japanese_ronin_or_samurai_ever_travel/ | {
"a_id": [
"etmw291"
],
"score": [
17
],
"text": [
"A bit later time frame, but you may be interested in my answer [on Japanese nobles in early 17th c Mexico. ](_URL_0_), esp. in part 2. While the first Japanese diplomatic mission was to Mexico City, the second one went from there to Spain and R... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/b4ti11/how_interconnected_was_the_world_of_16th_17th/eja6x9m/?utm_source=reddit&utm_medium=usertext&utm_name=AskHistorians&utm_content=t1_etj7jx1"
]
] | |
47s8d0 | Do tattoos protect the skin from sun damage? | askscience | https://www.reddit.com/r/askscience/comments/47s8d0/do_tattoos_protect_the_skin_from_sun_damage/ | {
"a_id": [
"d0fuzc2"
],
"score": [
46
],
"text": [
"What happened in this thread? :o\n\nAnycase indeed tattoos can protect from UV radiation because the ink could absorb the radiation instead of our cells but I suppose the effect is quite marginal because of a) tattoos don't usually cover the who... | [] | [] | [
[]
] | ||
ajxrl9 | how does c-4 work | It looks just like a thing if clay with a device that sends an electrical signal through but there’s gotta more to it, right? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ajxrl9/eli5_how_does_c4_work/ | {
"a_id": [
"eeznm0a",
"ef02qxq"
],
"score": [
11,
2
],
"text": [
"The \"clay\" is a mixture of plasticizer and explosives. This gives it the ability to be formed around an object. The device that you see in it doesn't send an electrical pulse, it's actually a smaller explosive. C4 by i... | [] | [] | [
[],
[]
] | |
3v6n0w | - why is it summer in australia and winter/fall in north america | I know it has something to do with the earths axis, but I can't seem to get my head around it . Explain how the different seasons work in the different hemispheres .
Explained: thanks for all the awesome reponses. I feel like I learned something !!!
| explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3v6n0w/eli5_why_is_it_summer_in_australia_and_winterfall/ | {
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"score": [
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2,
2,
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"text": [
"I'm sure someone could give a better answer. The ELI5 answer is it has to do with earths tilt and axis as its orbiting the sun. During the Northern hemisphere is more exposed to t... | [] | [] | [
[
"http://c.tadst.com/gfx/600x400/earth-seasons.png?1"
],
[],
[],
[]
] | |
2j7izb | How come the archaic Roman and Greek characters are often mirror images of each other? | I am referring to this sort of thing: _URL_0_
On the other hand, other times they are represented as similarly-oriented. What is the history behind this? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2j7izb/how_come_the_archaic_roman_and_greek_characters/ | {
"a_id": [
"cl990p5",
"cl995f9"
],
"score": [
2,
8
],
"text": [
"In those days, there wasn't a set orientation for writing. Some would write left-to-right; others right-to-left. Sometimes the orientation would change direction on each new line (boustrophedon).",
"It took a very long... | [] | [
"http://www.p12.nysed.gov/ciai/socst/ghgonline/turnpoint/images/content/tp7/sidon.gif"
] | [
[],
[
"http://en.wikipedia.org/wiki/Boustrophedon",
"http://en.wikipedia.org/wiki/Nestor%27s_Cup#The_.22Cup_of_Nestor.22_from_Pithekoussai"
]
] | |
1g5cqa | When my dog chews on a bone, why don't his teeth wear out at the same rate as the bone does? | askscience | http://www.reddit.com/r/askscience/comments/1g5cqa/when_my_dog_chews_on_a_bone_why_dont_his_teeth/ | {
"a_id": [
"cagv9fp",
"cagytqd"
],
"score": [
12,
7
],
"text": [
"His tooth enamel is stronger than the bone.",
"Normal bone is about a 2.5 on Mohs hardness scale, while enamel is a 5.\n\n_URL_0_"
]
} | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Tooth_enamel"
]
] | ||
5kuj56 | why do smaller animals tend act more tough than larger animals? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5kuj56/eli5_why_do_smaller_animals_tend_act_more_tough/ | {
"a_id": [
"dbqr14v"
],
"score": [
4
],
"text": [
"it could be because theyre typically prey (given their size) so instinctively they need to be ready to defend themelves. this also would explain other behaviors such a quickness, hiding, and any behavior that makes them look menacing (such as puf... | [] | [] | [
[]
] | ||
23zrw4 | what happens when i see something that makes my spine tingle? | For example, if I see a dead body, or rea an inspirational quote, or look a someone I love... What's happening? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/23zrw4/eli5_what_happens_when_i_see_something_that_makes/ | {
"a_id": [
"ch27qng"
],
"score": [
4
],
"text": [
"I don't know what's happening, but you'd enjoy /r/frisson."
]
} | [] | [] | [
[]
] | |
1higtu | Is there already an encryption method in place that will survive quantum computing? | Modern encryption methods known to me (eg. public key) will be a joke considering the rise of quantum computing. Are there already methods in existance to cope with the sheer computing power of quantum computers? | askscience | http://www.reddit.com/r/askscience/comments/1higtu/is_there_already_an_encryption_method_in_place/ | {
"a_id": [
"caurghh",
"causs7p",
"caussm4"
],
"score": [
7,
11,
2
],
"text": [
"Yes. [One time pads.](_URL_0_)",
"Yes, several: [Mceliece](_URL_1_), [NTRU](_URL_0_), [Lamport signature + hash tree](_URL_3_) and [Multivariate cryptographic systems](_URL_2_). Current problem is... | [] | [] | [
[
"http://en.wikipedia.org/wiki/One-time_pad"
],
[
"http://en.wikipedia.org/wiki/NTRU",
"http://en.wikipedia.org/wiki/McEliece_cryptosystem",
"http://en.wikipedia.org/wiki/Multivariate_cryptography",
"http://en.wikipedia.org/wiki/Lamport_signature"
],
[
"http://www.reddit.com/r/asksc... | |
69gef5 | how can i use public wi-fi safely? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/69gef5/eli5how_can_i_use_public_wifi_safely/ | {
"a_id": [
"dh6d4pb"
],
"score": [
2
],
"text": [
"Use a VPN to encrypt and secure your internet traffic. I use Private Internet Access which seems to work well. Their apps for mobile devices are pretty good too. \n\nAlso make sure you have turned off sharing on your computer, turn off network di... | [] | [] | [
[]
] | ||
5ay0ok | - why does hollywood keep churning out terrible sequels and remakes, that no one likes or asked for? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ay0ok/eli5_why_does_hollywood_keep_churning_out/ | {
"a_id": [
"d9k846o",
"d9k85xb",
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"d9k9nif",
"d9k9p8p",
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],
"score": [
17,
3,
2,
3,
4,
11
],
"text": [
"\nBecause people keep watching them. \n\nSequels have a built-in fanbase. Fans of the first movie will probably see the second movie,... | [] | [] | [
[],
[],
[],
[],
[
"boxofficemojo.com"
],
[]
] | ||
6o9ghr | In what way did Garibaldi shape fashion? | In *The Pursuit of Power*, Richard Evans states that Garibaldi became a fashion icon. What style did he bring about? What were his contributions? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6o9ghr/in_what_way_did_garibaldi_shape_fashion/ | {
"a_id": [
"dkha2ly"
],
"score": [
5
],
"text": [
"I like this question! Feel free to follow-up on any terms I fail to sufficiently define, even if they're tangential.\n\nSo, Evans is overstating the point by calling Garibaldi a fashion icon - I'm not fond of the term \"fashion icon\" being appli... | [] | [] | [
[
"https://books.google.com/books?id=kFw2AQAAMAAJ&dq=garibaldi%20waist&pg=PA432#v=snippet&q=zouave&f=false",
"https://www.flickr.com/photos/usnationalarchives/4176724449/in/set-72157624149175200/",
"http://www.metmuseum.org/art/collection/search/169455",
"https://books.google.com/boo... | |
zmlqr | Do we know about the early life of Hannibal Barca? | Most of my information about Carthage comes from this reddit page but I'm wondering. How did he grow up? Was he groomed from an early age? Did he really swear an oath as a youth to destroy Rome? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/zmlqr/do_we_know_about_the_early_life_of_hannibal_barca/ | {
"a_id": [
"c65ww9u"
],
"score": [
9
],
"text": [
"We know that the Barcids (as they are known) were a well-known and influential family in Carthage, as Hannibal's father Hamilcar was a hero of the First Punic War - he prided himself on having never lost a battle to the Romans. Some suggest that... | [] | [] | [
[]
] | |
2rz524 | Roman Historians - What was a clear sign that a roman citizen was wealthy? | Besides title - what did a wealthy roman citizen use, to tell the world around "I'm richer than you'll ever be"?
Are we talking expensive clothing, massive parties, or something completly different?
EDIT: Thank you for answering! | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2rz524/roman_historians_what_was_a_clear_sign_that_a/ | {
"a_id": [
"cnkol9b"
],
"score": [
12
],
"text": [
"There were some class based distinctions. Only senators could wear purple, and there were many laws and restrictions on just how much and where it could be on a garment throughout the years. Senators and some other officials also had a special c... | [] | [] | [
[]
] | |
ykkhx | Is it possible to make a pill that provides all nutrients needed for a day? | askscience | http://www.reddit.com/r/askscience/comments/ykkhx/is_it_possible_to_make_a_pill_that_provides_all/ | {
"a_id": [
"c5weo8s"
],
"score": [
2
],
"text": [
"Hypothetically I think you could get all your vitamins from one pill but in terms of calories you couldn't make that happen unless it was a lot of pills. (I could be wrong though!!)"
]
} | [] | [] | [
[]
] | ||
43ervl | What do you believe is the reality of Pompey's campaign against the pirates in the mid-60s BC? | As I understand it, the apparent story is that there were approximately 20,000 pirates on Mediterranean at the time that Pompey was tasked with stopping them. He was granted total power of the sea and all lands up to 50 miles inland to do so with the passage of the *Lex Gabinia*, and with the help of his 13 legates who... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/43ervl/what_do_you_believe_is_the_reality_of_pompeys/ | {
"a_id": [
"czhtqdh",
"czhu8dp"
],
"score": [
7,
2
],
"text": [
" > Of course in Roman history and history in general there are many cases of events being revised or exaggerated for purposes of I guess \"building legend\" would be a good way to put it\n\nApart from the fact that the \"rev... | [] | [] | [
[],
[]
] | |
2c4420 | Do herbivores pass on knowledge of poisonous or edible plants to their offspring or is it learned? | Many mushrooms are a dangerous gamble, yet I see many mushrooms on the forest floor that are half-eaten.
Many plants are poisonous. How do creatures without language pass this information to their young?
| askscience | http://www.reddit.com/r/askscience/comments/2c4420/do_herbivores_pass_on_knowledge_of_poisonous_or/ | {
"a_id": [
"cjbun2s"
],
"score": [
10
],
"text": [
"Usually the mother (or in some cases father) will demonstrate what to eat. I do not know of any express communication of what NOT to eat, but a lot of it is related to smell and taste. If something tastes bitter, it's usually bad - because taste... | [] | [] | [
[]
] | |
2oup7r | Why was the English Channel such an impassable barrier to the Germans in WWII? | I understand they had an inferior navy and needed air dominance in order to conquer the British Navy so they could stage a ground invasion of Britain lest their ships get destroyed by the RAF but isn't the channel as little as 22 miles wide? Couldn't it be crossed in just a few hours? Why couldn't they just invade on a... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2oup7r/why_was_the_english_channel_such_an_impassable/ | {
"a_id": [
"cmqojz4",
"cmqsa5t",
"cmqunsm",
"cmr2afr"
],
"score": [
11,
52,
6,
3
],
"text": [
"Because its very hard to \"sneak\" 10'000s of troops across the channel without being spotted. Also the Germans troops would be carried across mainly in converted inland river ba... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Kriegsmarine#Surface_ships"
],
[],
[
"http://s134542708.websitehome.co.uk/pillboxes/assets/images/Sealionplan.jpg"
]
] | |
j62e4 | explain yawns like im 5.... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/j62e4/explain_yawns_like_im_5/ | {
"a_id": [
"c29gdhq",
"c29gdhq"
],
"score": [
2,
2
],
"text": [
"This may be more like ELI11 but I'll give it a shot.\n\nA yawn is essentially breathing in a lot of air and breathing out that air all in sequential motion. It also stretches your ear drums, which is why yawning sometimes ca... | [] | [] | [
[],
[]
] | ||
3c02g6 | who the heck is victoria? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3c02g6/eli5_who_the_heck_is_victoria/ | {
"a_id": [
"csr2cca"
],
"score": [
2
],
"text": [
"This is a better question for /r/outoftheloop. [This is on their front page, it's got everything you want to know](_URL_0_). "
]
} | [] | [] | [
[
"https://www.reddit.com/r/OutOfTheLoop/comments/3bxduw/why_was_riama_along_with_a_number_of_other_large/"
]
] | ||
5b1reg | [physics]Can a fusion reactor be designed to fuse elements heavier than hydrogen? | In partucular, could a reactor be made that would fuse the helium a hydrogen fusion reactor would leave behind? Could this process be repeated until we are left with iron? | askscience | https://www.reddit.com/r/askscience/comments/5b1reg/physicscan_a_fusion_reactor_be_designed_to_fuse/ | {
"a_id": [
"d9l7m44",
"d9l8b8h",
"d9ldzo5",
"d9lepv0"
],
"score": [
52,
2,
4,
2
],
"text": [
"In theory, yes. But fusing heavier elements requires more extreme conditions (higher temperature and pressure) than fusing hydrogen, so it becomes progressively more difficult to ... | [] | [] | [
[],
[],
[],
[
"https://en.wikipedia.org/wiki/Nuclear_binding_energy#/media/File:Binding_energy_curve_-_common_isotopes.svg"
]
] | |
o1tpi | Are there any gems that are more rare than diamond, but cost less? | I remember reading a quote a long time ago, vaguely, where someone was saying how much more rare and special this (whatever) type of stone was even though it was ridiculously cheap. Was just wondering how many of these rare but cheap gems there are. | askscience | http://www.reddit.com/r/askscience/comments/o1tpi/are_there_any_gems_that_are_more_rare_than/ | {
"a_id": [
"c3dp2q5",
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"c3dpgdu",
"c3dpp4p",
"c3e3waj"
],
"score": [
25,
3,
11,
2,
2
],
"text": [
"Diamonds aren't particularly scarce. Their scarcity is artificially generated by essentially stockpiling a bunch of diamonds so the price stays high.\n\nSo,... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Chrysoberyl",
"http://gemstone.org/index.php?option=com_content&view=article&id=127:sapphire&catid=1:gem-by-gem&Itemid=14"
],
[],
[],
[]
] | |
xomjg | How bad would it be if we were unable to sweat? | A/C just broke in my car and I live in Phoenix. I spend most of my commute wondering this question because sweat is super annoying. Would being unable to perspire really make a difference? Because sometimes I feel like sweating makes it worse. | askscience | http://www.reddit.com/r/askscience/comments/xomjg/how_bad_would_it_be_if_we_were_unable_to_sweat/ | {
"a_id": [
"c5o7a6v"
],
"score": [
3
],
"text": [
"From Uptodate:\n > Evaporation is the principal mechanism of heat loss in a hot environment, but this becomes ineffective above a relative humidity of 75 percent. The other major methods of heat dissipation – radiation (emission of infrared elect... | [] | [] | [
[]
] | |
4ej4x8 | The nano-particles heading to Alpha Centauri are going to travel at relativistic speeds, arriving in ~20 years. If they're going at relativistic speeds, wouldn't that seem like much longer to us here on Earth? | ...or do I have it backwards? If I learned anything from Planet of the Apes, (spoiler alert) it's that I shouldn't travel too fast compared to the Earth unless I want to propel myself far into the future. | askscience | https://www.reddit.com/r/askscience/comments/4ej4x8/the_nanoparticles_heading_to_alpha_centauri_are/ | {
"a_id": [
"d20qp0g",
"d20tsc9",
"d20ye4l"
],
"score": [
4,
13,
5
],
"text": [
"If they're going at 20% the speed of light, there wouldn't be much difference, like a difference of five months over 20 years. If they were going at 86% the speed of light, then time would pass half a... | [] | [] | [
[],
[],
[]
] | |
3br9tx | why does mcdonald's receive so much more criticism than, say, coca cola or other sweet beverage providers, whose products are just as unhealthy? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3br9tx/eli5_why_does_mcdonalds_receive_so_much_more/ | {
"a_id": [
"csotrv5",
"csozc4f",
"csp183s"
],
"score": [
71,
22,
6
],
"text": [
"Honestly, I feel that Coca-Cola gets a lot of criticism, too. How many times have you seen \"You can clean your toilet with a can of Coke, why are you drinking this?\" or \"I left a tooth in a can of... | [] | [] | [
[],
[],
[]
] | ||
59v6ja | how do heat shields used to reenter the earth's atmosphere work? | Following up on my question about reentering the Earth's atmosphere.
_URL_0_ | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/59v6ja/eli5_how_do_heat_shields_used_to_reenter_the/ | {
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[],
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16xupb | why is the high amount of weight i lose in the first couple weeks of a diet/workout plan "mostly water weight"? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/16xupb/eli5_why_is_the_high_amount_of_weight_i_lose_in/ | {
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"text": [
" First off your muscles need something called glycogen for energy. So your muscles store glycogen and the necessary amount of water to use the glycogen, water breaks down glycogen in a chemical reaction but your 5 and I'll spare the details. No... | [] | [] | [
[]
] | ||
43tai9 | how does libertarianism come to terms with monopolies and polution | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/43tai9/eli5_how_does_libertarianism_come_to_terms_with/ | {
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"text": [
"Poorly. The idea that one company could pollute the environment and harm everyone else indirectly is something that Libertarianism isn't really prepared to de... | [] | [] | [
[],
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[],
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88to5v | what's the difference between a "game designer" and a "game programmer" | I know there is a lot of people who aspire to make video games (myself included), however I did look up jobs and two popped out to me. Senior Game Designer and Senior Game Programmer, I was always under the impression that the person who did the coding also decided mechanics.
I would assume that Game Developer is for... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/88to5v/eli5_whats_the_difference_between_a_game_designer/ | {
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"text": [
"A designer decides on game mechanics, creates levels, balances gameplay related values and many other things depending on the type of game.\n\nA programmer is the one that actually makes the game *do* t... | [] | [] | [
[],
[],
[]
] | |
5jqdbt | how do f2p (free to play) games make money? | League of Legends makes $150 million a month. DOTA 2 comes in second at $23.4 million. For games that are free-to-play, where is all the revenue coming from? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5jqdbt/eli5_how_do_f2p_free_to_play_games_make_money/ | {
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"text": [
"Micro transactions. The game might be free to play, but lots of people will happily pay for in-game items or perks that will give them an edge over everyone else. Also known as Pay... | [] | [] | [
[],
[],
[],
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8h3hkr | how do studios hire babies for movies? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8h3hkr/eli5_how_do_studios_hire_babies_for_movies/ | {
"a_id": [
"dygrpdp"
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"score": [
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"text": [
"The same way they hire other actors. Their are agencies that represent child actors exclusively, and that includes very young children."
]
} | [] | [] | [
[]
] | ||
cb78z3 | why do some countries use second-level domain country codes (._url_1_ or ._url_0_) and others do not? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cb78z3/eli5_why_do_some_countries_use_secondlevel_domain/ | {
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"TLDR: The DNS is a total mess where none of the established rules really matter.\n\nBack in the days when DNS was brand new some nations decided that it would be a good idea to use second-level domains to have their own ver... | [
"co.za",
"co.uk"
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[
"nb.ca",
"co.uk"
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[
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"co.uk"
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j2wrk | can someone explain to me (li5) how insurance companies could ever catch you committing fraudulent claims? | Specifically, I have renter's insurance which includes my laptop. They claim that I would be reimbursed for damages, even for something like spilling a beer on my computer. Is there anything (besides ethics) to stop me from "accidentally" spilling something on my computer and receiving my payout? Also, this of cours... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/j2wrk/can_someone_explain_to_me_li5_how_insurance/ | {
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"In the case of the laptop hypothetical you posed, there isn't much they can do to prove fraud (although I might poke around for evidence someone did their first cloud backup ever a day or two before the accident). But then again, what have you ga... | [] | [] | [
[]
] | |
3dl3i9 | why are for-profit universities so lousy? | To be clear, my question isn't *how* they're bad. I've seen reports on how virtually all for-profit universities charge massive amounts for useless degrees. My question is what causes this to be a near-universal rule. In the majority of situations (at least those without a monopoly), capitalism generates competition an... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3dl3i9/eli5why_are_forprofit_universities_so_lousy/ | {
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"text": [
"Market forces don't really work well when the consumers of the product are unable to tell whether it is a good deal or not. Most people who attend poorly-performing for-profit colleges are under-informed about the quality of... | [] | [] | [
[],
[]
] | |
3rzpw7 | Will we ever run out of Oxygen? | askscience | https://www.reddit.com/r/askscience/comments/3rzpw7/will_we_ever_run_out_of_oxygen/ | {
"a_id": [
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"text": [
"No. Photosynthesis makes oxygen, and if somehow that isn't working in some distant future we can make oxygen from water, which we will probably have plenty of forever because of its abundance in the solar system."
]
} | [] | [] | [
[]
] | ||
5l0bq4 | Azores in World War II | I heard from my Portuguese teacher that the Americans during WWII were planning on invading the Azores. Is this true? And did Portugal have any significant role in the war? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5l0bq4/azores_in_world_war_ii/ | {
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"Various US officials floated the idea of an invasion of the Azores in 1940 and 1941 as part of the extension of the neutrality patrols. But the importance of the Iceland and Greenland occupations by British and Americans overshadowed these plans.... | [] | [] | [
[]
] | |
c39mkn | Why are battery’s measured in Amps and volts instead of Jules? | So different battery’s are measured in different ways, disposable ones are usually referred to in terms of volts, ie a 9-volt battery. And you will see things like phone and portable chargers in terms of mAh. Why is this? How is this a full representation of the electrical capacity of the battery vs something like Jule... | askscience | https://www.reddit.com/r/askscience/comments/c39mkn/why_are_batterys_measured_in_amps_and_volts/ | {
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"For a generic multi-use battery you need to be sure the voltage it presents is standard so that you know it is correct for the application. For a dedicated battery, you are more concerned with its tota... | [] | [] | [
[],
[],
[]
] | |
73m3u4 | Were there ever cases of Russian infantry turning on Russian officers in WWII? | With all the stories of Russian troops being fired upon by their leaders if they chose to retreat during suicidal attacks, were there ever times when they would essential resist and forcefully disobey orders? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/73m3u4/were_there_ever_cases_of_russian_infantry_turning/ | {
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" > With all the stories of Russian troops being fired upon by their leaders if they chose to retreat during suicidal attacks, were there ever times when they would essential resist and forcefully disobey orders?\n\nI'm not sure of any specific in... | [] | [] | [
[]
] | |
2k0u8n | Why do surfaces approach mirror-like reflective properties when viewed at extreme angles? | Take, for example, my phone screen when it is off. If I look directly at it (perpendicular viewing angle), I can see my face, but darkened and with very little color. If I look at the screen with the bottom pointed toward me (almost 0 degree viewing angle), the image in the screen is almost exactly like the real thing ... | askscience | http://www.reddit.com/r/askscience/comments/2k0u8n/why_do_surfaces_approach_mirrorlike_reflective/ | {
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"text": [
"The amount of reflection off a surface (the reflection coefficient) is described by the [Fresnel equations](_URL_1_). These equations depend on incident angle in such a way that as the angle of incidence approaches grazing angle, the reflection... | [] | [] | [
[
"http://thumb7.shutterstock.com/display_pic_with_logo/56826/56826,1296536768,1/stock-photo-mountain-landscape-with-still-lake-and-reflection-70213663.jpg",
"http://en.wikipedia.org/wiki/Fresnel_equations"
]
] | |
28huyv | why are car models only manufactured for one year, and then discontinued? why aren't older car designs still being produced, given that people will pay ridiculous amounts to restore a classic car? | For instance, restored classic cars can be sold for hundreds of thousands of dollars, but do car manufacturers even see any of that money?
People love the appearances to the point that they will drive a car with expensive and hard to replace parts that are decades old. So why not produce cars in the same style, but w... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/28huyv/eli5_why_are_car_models_only_manufactured_for_one/ | {
"a_id": [
"cib2ra0"
],
"score": [
2
],
"text": [
"because of innovation, those old classic cars aren't as safe or cost efficient to run. They would also lose a lot of value if you could just go out and buy one right now. "
]
} | [] | [] | [
[]
] | |
7s6wpy | Exactly how old is written language in Scandinavia? Is Beowulf truly the first written literature from that region? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7s6wpy/exactly_how_old_is_written_language_in/ | {
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"text": [
"This is a twofold question, it would be best if I answered the second before the first. It should be noted that the origin of Beowulf, specifically as an Old English poem is up to debate. Scholars have argued for a quite a long time concerning wh... | [] | [] | [
[]
] | ||
5zhris | Where did the English royal family (i.e. King, Queen, etc.) live during WW2? How were they kept safe from German bombings? | Hello, I was just wondering if the British royal family was living in Buckingham palace during WW2, as that would seem quite dangerous due to German bombings. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5zhris/where_did_the_english_royal_family_ie_king_queen/ | {
"a_id": [
"deyiv5o"
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"score": [
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"text": [
"Yes, the British King and Queen both lived in Buckingham palace during World War II. Various MPs tried to get the King to evacuate, but King George VI was steadfast in his determination that he and Queen Elizabeth stay in Buckingham Palace, alth... | [] | [] | [
[]
] | |
2pr2pb | where do massive companies such as samsung, apple, and walmart keep all their millions/billions of dollars? in one big bank account, multiple, or invested in assorted holdings? | And when we see massive sales such as Facebook buying WhatsApp for 16 billion or Google buying Motorola (since sold though) for 13.5 billion, how is that money transferred? One big check from one big account, or a transfer of shares of an equivalent amount, or a mixture of both? What banks do these massive companies co... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2pr2pb/eli5_where_do_massive_companies_such_as_samsung/ | {
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"text": [
"This is a super-simplistic answer to a very complex topic.\n\nLarge banks and financial services firms have departments that cater to cash management for corporations. Basically, the money that shows up on company's balance sheets as \"cash\" is ... | [] | [] | [
[]
] | |
1m0obu | historically, what events have lead to such poor relations between the us and iran? | I've seen posts involving Iran's potential nuclear weapons, but I'm looking for more of a historical, rather than contemporary, perspective. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1m0obu/eli5_historically_what_events_have_lead_to_such/ | {
"a_id": [
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"text": [
"Iran has historically been mistreated by Western countries (Britain, Russia, and the US to be exact). During the early 20th century, Britain and Russia fought for power and control of Iranian oil and land while the people began to call for nation... | [] | [] | [
[]
] | |
7h7kao | the concept of "1 hour on this planet is 7 years on earth" in the movie insterstellar. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7h7kao/eli5_the_concept_of_1_hour_on_this_planet_is_7/ | {
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"text": [
"It's a concept called time dilation. According to Einstein's theory of relativity, time isn't a constant. Time moves at different speeds. Time moves slower when you are effecte... | [] | [] | [
[],
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[],
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17ykmx | What exactly is the Balfour Declaration and why was it so important in Israel's creation? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/17ykmx/what_exactly_is_the_balfour_declaration_and_why/ | {
"a_id": [
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"text": [
"Both [wikipedia](_URL_2_) and the [popular questions](_URL_1_) (Specifically [this thread](_URL_0_)) cover the topic fairly well in a good amount of depth.\n\nThe key chunk of text is pretty clear of itself, but of course th... | [] | [] | [
[
"http://www.reddit.com/r/AskHistorians/comments/uyhln/in_1946_what_happened_in_palestine_and_where_did/",
"http://www.reddit.com/r/AskHistorians/wiki/middle_east",
"http://en.wikipedia.org/wiki/Balfour_Declaration"
],
[]
] | ||
1j9bfj | Why is the ISS's orbit decaying? | I've heard that the ISS's orbit decays, and that they need to use power to boost it up every once in a while.
Why is this? Is it possible to have a stable orbit around Earth that doesn't decay, or do all artificial satellites need to boost themselves up every once in a while? | askscience | http://www.reddit.com/r/askscience/comments/1j9bfj/why_is_the_isss_orbit_decaying/ | {
"a_id": [
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3
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"text": [
"The International Space Station orbits low enough that it has a little bit of drag. \n\nMost Satellites don't orbit this low, and therefore don't slow down/descend due to atmospheric drag and don't req... | [] | [] | [
[],
[],
[]
] | |
sw859 | How prominent is Panbabylonism in current theories about the origin of Christianity/Judaism? | Is it fairly well accepted in Academic circles today?
Edit: [Panbabylonism link](_URL_0_) | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/sw859/how_prominent_is_panbabylonism_in_current/ | {
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"text": [
"Well, Babylon had a very, very severe influence on the growth of Judaism. Most of the Oral law came from babylonian times, as did much of the Talmud. ",
"I had to google \"panbabylonism\", you should add a link to the ... | [] | [
"http://en.wikipedia.org/wiki/Panbabylonism"
] | [
[],
[
"http://en.wikipedia.org/wiki/Panbabylonism",
"http://en.wikipedia.org/wiki/Thomas_L._Thompson",
"http://en.wikipedia.org/wiki/Niels_Peter_Lemche",
"http://en.wikipedia.org/wiki/Daniel_Boyarin"
]
] | |
nve3h | Can excessively good dental hygiene create super mouth bacteria? | I have very good dental hygiene, I use a Sonicare for the full 2 minutes, floss and follow up with antiseptic twice a day. Meanwhile my girlfriend uses a normal toothbrush, doesn't floss, and doesn't use antiseptic.
The thought occurred to me that with my current regimen I might be breeding bacteria resistant to br... | askscience | http://www.reddit.com/r/askscience/comments/nve3h/can_excessively_good_dental_hygiene_create_super/ | {
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4,
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2
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"text": [
"No, you don't have to worry. \nBacteria can develop immunity against specific bioactive molecules like antibiotics. Those substances aim (more or less) precisely at a component of ... | [] | [] | [
[],
[
"http://onlinelibrary.wiley.com/doi/10.1111/j.1600-051X.1989.tb00003.x/abstract"
],
[],
[
"http://onlinelibrary.wiley.com/doi/10.1111/j.1600-051X.1989.tb00003.x/abstract"
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a4n8qj | What is the relationship between the Protestant Reformation and the increase in witch hunts? | [deleted] | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/a4n8qj/what_is_the_relationship_between_the_protestant/ | {
"a_id": [
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"text": [
"Some reformists were very orthodox in their views. Whereas Catholicism allowed a certain amount of paganism and didn't generally persecute witch craft, the reformation brought in the idea of going back to the bible. \n\nThat meant some ideas and ... | [] | [] | [
[
"https://www.history.ac.uk/reviews/review/1938"
]
] | |
1a8qep | What is the general consensus on the strange 'UFO' object in the Renaissance painting 'The Madonna with Saint Giovanni'? | [The painting](_URL_0_), dating to the fifteenth century, features what appears to be some kind of strange cloud-like object emitting rays of light, with a man gazing upward, in the background.
Is this a common symbolic motif in art of the time? Is it a strange portrayal of the guiding star that presaged Christ's bir... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1a8qep/what_is_the_general_consensus_on_the_strange_ufo/ | {
"a_id": [
"c8v5356"
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"score": [
2
],
"text": [
"It is angels announcing the birth of Jesus. The \"Ancient Aliens Dubunked\" video series explains this one in detail [here](_URL_0_!).\n\nSimilar, though clearer, examples are found in many other medieval paintings."
]
} | [] | [
"http://upload.wikimedia.org/wikipedia/commons/9/9b/The_Madonna_with_Saint_Giovannino.jpg"
] | [
[
"http://www.youtube.com/watch?v=uUUzQINoark&feature=player_embedded#"
]
] | |
4vjutu | why are some genetic abnormalities (like being double jointed) way more common than others (like having six toes)? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4vjutu/eli5_why_are_some_genetic_abnormalities_like/ | {
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"text": [
"Allele frequency is different depending on the selected trait. Albinism/Melanism are both incredibly rare. Additionally, certain traits are sex-linked (color blindness) or recessive. \n\nIf you look to ... | [] | [] | [
[],
[],
[]
] | ||
f8gy46 | how can type 1 diabetes have any hereditary components if having it was a death sentence over 100 ago? | Wouldn't all genetic traces of it had been destroyed prior to the 20th century? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f8gy46/eli5_how_can_type_1_diabetes_have_any_hereditary/ | {
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"text": [
"Because people carrying it had complications or died from it AFTER they conceived children.",
"Insulin was only discovered 99 years... | [] | [] | [
[],
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[],
[
"https://www.npr.org/sections/health-shots/2017/12/08/569131568/adults-can-get-type-1-diabetes-too"
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1kxv8z | why do airplanes use green camo instead of blue? wouldn't it make more sense, since they would be less visible on sky? | Thanks! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1kxv8z/eli5_why_do_airplanes_use_green_camo_instead_of/ | {
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"What airplane uses gree... | [] | [] | [
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"http://io9.com/5872484/why-world-war-ii-spy-planes-used-pink-camouflage"
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987ahf | Why are spiral staircases in castles anticlockwise?? | So, in school I was taught that spiral staircases in castles are pretty much always anticlockwise so that soldiers could easily run up the stairs easily wielding their sword in there right hand since most people are right-handed.
I have thought about this again recently and disagree. Surely the people running up these... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/987ahf/why_are_spiral_staircases_in_castles_anticlockwise/ | {
"a_id": [
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"text": [
"Check out the comprehensive answer from /u/mormengil to an older version of this question - _URL_1_ \n\n\n\n\nTo answer you directly, if we accept that this design was intentional (which seems pretty reasonable), your original reasoning was corre... | [] | [] | [
[
"https://www.thevintagenews.com/2016/08/03/the-secrets-of-medieval-castles-stairs-are-built-in-a-clockwise-fashion-for-a-very-good-reason/2/",
"https://www.reddit.com/r/AskHistorians/comments/406sa5/were_castle_stairs_designed_to_impede_sword_use/"
]
] | |
20yp8s | what was the original "roses are red" poem? | And how did it become so influential? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/20yp8s/eli5_what_was_the_original_roses_are_red_poem/ | {
"a_id": [
"cg7zeke"
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"text": [
"This may or may not help.\n\n_URL_0_ "
]
} | [] | [] | [
[
"http://en.wikipedia.org/wiki/Roses_are_red"
]
] | |
251cbp | how can microsoft make an operating system that the majority of computers in the world use but they aren't able to make a search engine or browser that is as successful? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/251cbp/eli5_how_can_microsoft_make_an_operating_system/ | {
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2,
2
],
"text": [
"Because they made a deal with PC manufacturers in the day that their operating system would... | [] | [] | [
[],
[],
[],
[
"http://www.slate.com/articles/business/moneybox/2013/08/microsoft_ceo_steve_ballmer_retires_a_firsthand_account_of_the_company_s.html",
"http://www.theverge.com/2013/11/12/5094864/microsoft-kills-stack-ranking-internal-structure",
"http://www.businessweek.com/stories/2005-09-25/trou... | ||
3eatbp | shaken vs stirred | I used to work behind a bar, and while I know the difference between shaking and stirring and when to use each, One thing that has always got me is that some people claimed that a shaken cocktail will taste significantly different to an identical, but stirred cocktail.
Is this true? If so, Why? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3eatbp/eli5_shaken_vs_stirred/ | {
"a_id": [
"ctd5h6j"
],
"score": [
2
],
"text": [
"The James Bond books were actually satirical and campy. The reason Bond wanted his cocktails stirred is because Ian Fleming was parodying spy authors who wanted to portray their protagonist spy as \"sophisticated\" by having him order a cocktail... | [] | [] | [
[]
] | |
a5d73q | How much was Arabic influenced by Spanish? | The Spanish language was enormously influenced by Arabic dialects during the age of moorish rule in the Iberian peninsula. But since culture usually goes both ways I wanted to know if Arabic was also influenced by Spanish, and to what degree. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/a5d73q/how_much_was_arabic_influenced_by_spanish/ | {
"a_id": [
"ebm9put"
],
"score": [
38
],
"text": [
"Arabic is spoken over a wide area, from Morocco to Oman, and comprises a large number of dialects that are not all easily mutually-intelligible. Spain exerted relevant influence as a colonial power mainly in the area of Spanish Morocco, and Mor... | [] | [] | [
[]
] | |
1l0w4v | Are the modern French more closely related to the Franks or Gaulish Celts? During the migration if the Franks into Gaul, was the population substantial? | Edit: the title should say "of the Franks". By that, I mean were there a large amount of celts in Gaul and franks migrating? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1l0w4v/are_the_modern_french_more_closely_related_to_the/ | {
"a_id": [
"cbur1la"
],
"score": [
11
],
"text": [
"The last time Y-chromosome lineages in western Europe changed significantly was during the bronze age. \n\nThe most common Y haplogroup in w Europe is R1b. The subclades of this haplogroup which are common to the east, in Germany, Netherlands et... | [] | [] | [
[
"http://www.eupedia.com/europe/Haplogroup_R1b_Y-DNA.shtml"
]
] | |
3cbosb | why is rape in prison go unpunished? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3cbosb/eli5why_is_rape_in_prison_go_unpunished/ | {
"a_id": [
"csu0hgk"
],
"score": [
5
],
"text": [
"It's not allowed... But say you're in prison and a gang rapes you. You tell on that gang. Where are they going to go? Another prison? No, they just get some privilege taken away... and now there you are... mere feet away from them. You thin... | [] | [] | [
[]
] | ||
2y0304 | How did Russian military engineering change from WWI to after WWII? | During World War 1, Russian military gear seems to have lagged significantly behind other major powers. However, by the end of World War 2 Russia had designed and built a very effective tank and air forces, and would eventually produce large rockets, nuclear weapons, advanced aircraft and surface-to-air missiles after... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2y0304/how_did_russian_military_engineering_change_from/ | {
"a_id": [
"cp5gyn6",
"cp5kiqn"
],
"score": [
2,
2
],
"text": [
"Russias problems in the WW I were about quantity of its armaments, not quality - it stemmed from a underdeveloped industry and effective blockade after the Ottomans joined the war. The technical aspect itself was well-develo... | [] | [] | [
[],
[]
] | |
1nros9 | Why are so many fruits bright colors? | I was thinking about it today and I realized that a lot of the time in nature, bright colors are defense mechanisms that animals use to keep predators from eating them, but a lot of fruits are brightly colored. Don't a lot of fruits need to be eaten to spread their seeds around? Does the whole "bright-colors" thing n... | askscience | http://www.reddit.com/r/askscience/comments/1nros9/why_are_so_many_fruits_bright_colors/ | {
"a_id": [
"cclgngp",
"cclkecr"
],
"score": [
15,
5
],
"text": [
"Bright colors are simply one of many ways to get attention, not necessarily to warn away predators. In the case of poisonous animals, the bright colors are warnings, their predators have learned/evolved to associate them w... | [] | [] | [
[],
[
"http://link.springer.com/article/10.1007%2Fs10682-007-9217-1"
]
] | |
1i6vsy | Could someone explain to me the Poincaré Conjecture? | What exactly is it? How was it solved? And what is its importance? | askscience | http://www.reddit.com/r/askscience/comments/1i6vsy/could_someone_explain_to_me_the_poincaré/ | {
"a_id": [
"cb1sdic",
"cb1t1gr"
],
"score": [
7,
3
],
"text": [
"It's pretty technical, but not so crazy that it can't be done.\n\nFirst we need to talk about manifolds. Manifolds are spaces which can be bent and twisted in certain ways which are not obvious to someone within it. \n\nFor ... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Manifold",
"http://en.wikipedia.org/wiki/Homotopy",
"http://en.wikipedia.org/wiki/Homeomorphism",
"http://en.wikipedia.org/wiki/Simply_connected_space",
"http://en.wikipedia.org/wiki/Ricci_flow"
]
] | |
t1149 | Do light waves admit a force on whatever they hit? Like a small "push" like any other object? | askscience | http://www.reddit.com/r/askscience/comments/t1149/do_light_waves_admit_a_force_on_whatever_they_hit/ | {
"a_id": [
"c4im6s6",
"c4ime1i",
"c4iqye8"
],
"score": [
15,
9,
2
],
"text": [
"Yeah, they exert radiation pressure. The electric field makes charged objects move along the surface, and the magnetic field interacts with that movement and pushes them forwards.",
"Yep, light has... | [] | [] | [
[],
[],
[]
] |
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