q_id stringlengths 5 6 | title stringlengths 3 301 | selftext stringlengths 0 39.2k | document stringclasses 1
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1wsej4 | how are dictionaries, indexes, phone books, or other word lists organized in chinese? there is no "alphabetical order," right? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1wsej4/eli5_how_are_dictionaries_indexes_phone_books_or/ | {
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"text": [
"With hanyu pinyin, which is the way chinese words are pronounced with the english letters.",
"Either by the romanization or by stroke count",
"Each character has what's called a *radical*. It's... | [] | [] | [
[],
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6s1tci | why is it more complicated to land on mars than on the moon or titan? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6s1tci/eli5_why_is_it_more_complicated_to_land_on_mars/ | {
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"One big difference between the moon and Mars is that Mars has an atmosphere. The moon has no atmosphere so you don't need a heavy heat shield or parachutes, you just land on a rocket. Mars has an atm... | [] | [] | [
[],
[],
[]
] | ||
1x9s00 | how teleportation is theoretically possible. if a person wishes to be teleported, do they essentially commit suicide in favour of the 'teleported' replica? | I did a search, however, I couldn't find a post that would address this, hence why I'm asking. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1x9s00/eli5_how_teleportation_is_theoretically_possible/ | {
"a_id": [
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"text": [
"It isn't possible. There is no known mechanism in physics by which you can instantly move from one spot to another spot.",
"It depends on the type of teleport. \n\nIf you make a perfect copy then destroy the original (th... | [] | [] | [
[],
[]
] | |
3qtxgy | NADH movement through the cytoplasm? | When NADH is produced in glycolysis, we say that it then "goes into the mitochondria" to the ETC. Is this the result of random motion eventually getting it there, or is there a direct path? If it's directed, are there motor proteins moving it along, or how is this accomplished? (I can find a bunch online about how N... | askscience | https://www.reddit.com/r/askscience/comments/3qtxgy/nadh_movement_through_the_cytoplasm/ | {
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"As far as we know, it's just random diffusion, though the cytosol is more viscous than pure water, so it's a little slower in a cell. There hasn't been a whole lot of work on diffusion of small molecules, but [here's one fro... | [] | [] | [
[
"http://www.pnas.org/content/81/11/3414.short"
],
[]
] | |
9y2crp | the difference between the words "serentipity" and "chance" | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9y2crp/eli5_the_difference_between_the_words_serentipity/ | {
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"text": [
"\"Serendipity\" meas that something good happened randomly.\n\"Chance\" means that something happened randomly, without implying anything about whether it was good or bad.",
"Serendipity: Something **good** happening by ... | [] | [] | [
[],
[]
] | |
9uwgs2 | how does a state as blue as massachusetts elect a republican governor? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9uwgs2/eli5_how_does_a_state_as_blue_as_massachusetts/ | {
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"text": [
"The incumbent governor seems to be pretty moderate. His big issues seem to be about runnng the state efficiently, promoting job growth, and keeping the state budget balanced. No talk of the typical divisive republican issues... | [] | [] | [
[],
[]
] | ||
257m2g | why are people so interested in celebrities? (anthropological, psychological, and sociological explanations welcome) | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/257m2g/eli5_why_are_people_so_interested_in_celebrities/ | {
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"text": [
"They distract people from the day to day hardships of life. ",
"Many of us have an innate desire to feel known and loved and appreciated. The desire for... | [] | [] | [
[],
[],
[],
[],
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"http://www.cracked.com/article_14990_what-monkeysphere.html#ixzz31L0mRaTC",
"http://en.wikipedia.org/wiki/Dunbar%27s_number"
]
] | ||
43dicg | What is the most far away Viking raid we know off? | Meaning, the furthest away from Scandinavia. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/43dicg/what_is_the_most_far_away_viking_raid_we_know_off/ | {
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"score": [
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"text": [
"Well, in the East Coast of Canada we have the L'Anse aux Meadows archaeological site in Newfoundland. It dates to around the year 1000. Unfortunately, I haven't ever seen any written records of raids from the native commu... | [] | [] | [
[
"http://www.pc.gc.ca/eng/lhn-nhs/nl/meadows/visit/ac.aspx"
],
[]
] | |
2icq7j | why don't i sound loud to myself when other people tell me i'm yelling? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2icq7j/eli5_why_dont_i_sound_loud_to_myself_when_other/ | {
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"text": [
"You've listened to yourself your entire life. That's plenty of time to grow accustomed to your own voice, if it happens to be loud you c... | [] | [] | [
[],
[],
[],
[],
[],
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] | ||
yhfco | Has there been enough time for intelligent life to evolve on Earth twice? | askscience | http://www.reddit.com/r/askscience/comments/yhfco/has_there_been_enough_time_for_intelligent_life/ | {
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"text": [
"Yes. There's been plenty of time for intelligence to evolve, though we are the first large-scale technic species to inhabit Earth it would be impossible to definitively deny any intelligence evolved before us. \n\nThat, of ... | [] | [] | [
[],
[]
] | ||
5zhau9 | Conceptually speaking, what does it mean when you take a number to a power that is not a rational number? | So, my understanding of exponents is basically as follows. Say you have *n^a/b*. What this basically means is that you need to do two things to the number *n* - you need to multiply *n* by itself *a-1* times, and then you need to take the *b*th root of that result.
So, for example:
* 3^2 means 3 * 3 = 9
* 4^1/2, or... | askscience | https://www.reddit.com/r/askscience/comments/5zhau9/conceptually_speaking_what_does_it_mean_when_you/ | {
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"text": [
"Exponentiation of irrational numbers (either the base or exponent) cannot be defined in terms of repeated multiplication. It makes no sense to talk about multiplying something *e*... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Exponential_function#Formal_definition"
],
[],
[
"https://en.wikipedia.org/wiki/Construction_of_the_real_numbers",
"https://en.wikipedia.org/wiki/Sign_function",
"https://en.wikipedia.org/wiki/Real_analysis"
]
] | |
2c8zvm | why can i not take a good photo of the night sky? | Whenever I do, it is typically just a black photo. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2c8zvm/eli5_why_can_i_not_take_a_good_photo_of_the_night/ | {
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"score": [
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"text": [
"Those good pictures of the sky you see are taken with cameras on tripods set to long exposure. The exposure on a ... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | |
475m5y | does a rape kit test for rape in the past few days or does it confirm sex in the past few days? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/475m5y/eli5_does_a_rape_kit_test_for_rape_in_the_past/ | {
"a_id": [
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"score": [
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"text": [
"A rape kit would basically confirm a sexual act has happened though any bruising or other signs of force would be documented. There are swabs for the lips, cheeks, thighs, vagina, anus, and buttocks to collect any fluids that are there. Blood is... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Rape_kit"
]
] | ||
2p11ne | how do stop motion animators animate someone jumping? | They have to be held still somehow. I can't see any string when I watch, and some sort of plastic platform would be visible. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2p11ne/eli5_how_do_stop_motion_animators_animate_someone/ | {
"a_id": [
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"score": [
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],
"text": [
"Techniques vary, but a support perpendicular to the viewing plane behind the character jumping can provide support without being visible.",
"Usually there's an armature that is removed digitally. "
]
} | [] | [] | [
[],
[]
] | |
8606uj | with the recent passing of the world's last *male* northern white rhino, how will efforts to revive the species continue? | It was reported that his "genetic material was collected yesterday and provides a hope for future attempts at reproduction of northern white rhinos through advanced cellular technologies."
The last two remaining females are his daughter and granddaughter respectively, and it was also said that they would continue on... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8606uj/eli5_with_the_recent_passing_of_the_worlds_last/ | {
"a_id": [
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"text": [
"Most likely as CRISP-R gene sequencing advances more this will allow them to remove and replace the southern white rhino DNA and would allow them to make a complete northern white rhino... they have made significant progress... | [] | [] | [
[],
[]
] | |
j2dp5 | Is it more probable that life sprang up in one event or in multiple events through history? Could new life still be appearing on earth? | askscience | http://www.reddit.com/r/askscience/comments/j2dp5/is_it_more_probable_that_life_sprang_up_in_one/ | {
"a_id": [
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"text": [
"It's possible, but they're strong evidence that all life that we know of on Earth has a common ancestor, due to a near-identical genetic code and the homology of structures such as the ribosome.",
"... | [] | [] | [
[],
[],
[]
] | ||
29ubx6 | how is fifa going to allow qatar to host the world cup in 2022 when drinking alcohol in public is illegal? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/29ubx6/eli5_how_is_fifa_going_to_allow_qatar_to_host_the/ | {
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"cioup24",
"c... | [] | [] | [
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"http://en.wikipedia.org/w/index.php?title=Qatar_2022_FIFA_World_Cup_bid#Alcohol"
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[],
[],
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"http://www.fourseasons.com/doha/dining/lounges/the_library_bar_and_cigar_lounge/"
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[],
[],
[
"http://youtu.be/DlJEt2KU33I"
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[],
[],
[],
[],
[],
... | ||
3yv851 | why would someone getting fired be ok with signing a resignation letter? | I feel like in multiple instances, I've seen someone who's about to get fired get asked to turn in their resignation. What's in it for the employer and employee? Why wouldn't an employer just fire them? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3yv851/eli5_why_would_someone_getting_fired_be_ok_with/ | {
"a_id": [
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"text": [
"For the employer, they don't have to pay unemployment. For the fired person, they don't have to say they were fired from their last job for a reason. It's a face-saving measure.",
"If you get fired, you're not eligible... | [] | [] | [
[],
[]
] | |
1otmrz | why is bologna pronounced baloney? | I'm reading catch 22 and now I'm curious. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1otmrz/why_is_bologna_pronounced_baloney/ | {
"a_id": [
"ccvgz9j"
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"score": [
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],
"text": [
"Because it's not.\n\n_URL_0_"
]
} | [] | [] | [
[
"http://translate.google.com/#it/en/bologna"
]
] | |
yvirm | Is Dijkstra's algorithm used in nature by plants or animals? | askscience | http://www.reddit.com/r/askscience/comments/yvirm/is_dijkstras_algorithm_used_in_nature_by_plants/ | {
"a_id": [
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"text": [
"I'm not clear what exactly you mean. Dijkstra's algorithm solves the single-source shortest path problem for graphs. When specifically would a plant need to solve this problem?\n\nAlso, there is no way (that I am aware of) of determining if this ... | [] | [] | [
[]
] | ||
2emn22 | is there any way a soldier can disobey orders on moral grounds? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2emn22/eli5_is_there_any_way_a_soldier_can_disobey/ | {
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"c... | [] | [] | [
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[],
[],
[
"http://www.army.mil/values/oath.html"
],
[],
[
"ht... | ||
tuqg2 | Why isn't ejaculation after penetration instantaneous? | askscience | http://www.reddit.com/r/askscience/comments/tuqg2/why_isnt_ejaculation_after_penetration/ | {
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"score": [
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185,
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"text": [
"The female body makes changes to the reproductive tract during sexual intercourse to m... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Sexual_arousal#Female_physiological_changes",
"http://en.wikipedia.org/wiki/Sexual_arousal#Male_physiological_changes"
],
[
"http://upload.wikimedia.org/wikipedia/commons/7/7c/Gray1158.png",
"http://www.epjournal.net/wp-content/uploads/ep021223.pdf"
],
[],
[... | ||
13ynld | Is there a type of star that emits only UVA light? | Wondering if there is such a thing as a star that would essentially be a giant black light. From what I can find on Wikipedia, it would have to be a very hot star, meaning near the beginning or end of its lifecycle.
Assuming such a star exists, could you reasonably expect an orbiting life-bearing planet be filled wi... | askscience | http://www.reddit.com/r/askscience/comments/13ynld/is_there_a_type_of_star_that_emits_only_uva_light/ | {
"a_id": [
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"score": [
3,
2
],
"text": [
"Stars emit [black-body radiation](_URL_0_) corresponding with their temperature, which is essentially a distribution of frequencies (and colors) centered around a mean which is determined by their temperature. No matter how... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Black-body_radiation"
],
[
"https://en.wikipedia.org/wiki/O-type_main_sequence_star"
]
] | |
1zjcyu | Resources on the planned invasion of Japan during World War II | I am researching the dropping of the atomic bombs on Japan that ended World War II. I have read some articles that mention there was an invasion planned for Japan, but based on other Pacific island battles, was scrapped for the dropping of the bombs because it saved more lives. My questions do you historians recommend ... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1zjcyu/resources_on_the_planned_invasion_of_japan_during/ | {
"a_id": [
"cfu8llr"
],
"score": [
3
],
"text": [
"So here's one common misconception in your statement: it was never a question of invasion versus atomic bombs. It was atomic bombs and, if no surrender followed, invasion. The invasion was still in the works when the bombs were dropped, it was st... | [] | [] | [
[
"http://www.princeton.edu/~bsimpson/Hist%20725%20Summer%202006/Walker%20on%20A%20Bomb%20recent%20lit.pdf"
]
] | |
1l7xyu | How does an UN inspector collect and verify evidence of a Chemical Attack? | askscience | http://www.reddit.com/r/askscience/comments/1l7xyu/how_does_an_un_inspector_collect_and_verify/ | {
"a_id": [
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"score": [
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18,
7
],
"text": [
"For Sarin, the inspectors will check the blood samples of the victims for [IMPA](_URL_0_).\n\nThis is detected in Blood samples of potential victims.\n\nWith recent advancements in testing techniques,... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Sarin#Diagnostic_tests",
"http://www.independent.co.uk/news/world/middle-east/samples-from-victims-could-fail-to-show-evidence-of-sarin-gas-8785013.html"
],
[
"http://www.ncbi.nlm.nih.gov/pubmed/9806433",
"http://sc-ems.com/images/persist.jpg"
],
[]
] | ||
317ocy | when peeing are we relaxing a muscle or are we pushing it out? | I know you can push out pee but the first stream feels like you relax first | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/317ocy/eli5_when_peeing_are_we_relaxing_a_muscle_or_are/ | {
"a_id": [
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"score": [
8
],
"text": [
"Both. You have sphincter muscles that pinch the urethra (pee tube) shut, containing urine in the bladder. When you pee, bladder muscles contract, forcing urine out. The combination of relaxing sphincter muscles and contracting bladder muscles is ... | [] | [] | [
[]
] | |
1dwk26 | Individuals on a plane or ship are referred to as "souls" (e.g., "82 souls on board"). When/how did this convention begin? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1dwk26/individuals_on_a_plane_or_ship_are_referred_to_as/ | {
"a_id": [
"c9uio4e",
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"score": [
2,
2,
2
],
"text": [
"That terminology is used by the bible, so it's thousands of years old. Whether that sort of language has been used continuously since then I couldn't say.",
"Pilot here: I don't know how long the ... | [] | [] | [
[],
[],
[]
] | ||
xk5oy | Why are invasive species able to eat unfamiliar things, but their possible predators aren't? | Why wouldn't carnivores see an increase in the supply of herbivores and give them a try, for example? | askscience | http://www.reddit.com/r/askscience/comments/xk5oy/why_are_invasive_species_able_to_eat_unfamiliar/ | {
"a_id": [
"c5n2hur"
],
"score": [
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],
"text": [
"Not all species are invasive in all new environments; only those which *happen* to be able to exploit that environment, and don't *happen* to have any predators/competitors/etc capable of significantly limiting their expansion, will successfully ... | [] | [] | [
[]
] | |
59jdhe | How did the different knightly orders cope with the modernising world? (with the Teutonic knights and the Hospitallers surviving long after their crusading times were over) | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/59jdhe/how_did_the_different_knightly_orders_cope_with/ | {
"a_id": [
"d99gmd2",
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"score": [
199,
43
],
"text": [
"Henry Sire recently published a book called *The Knights of Malta: A Modern Resurrection* about just this topic (for the Knights Hospitaller, at least).\n\nA brief background: The Knights Hospitaller staged a centuries-l... | [] | [] | [
[],
[]
] | ||
1il4nk | why does african americans are seen more likely to vote for democrats than republicans? | I'm a non-American so I'm not too knowledgable about American history. I recently watched the movie Lincoln (2012) where I saw that the republicans were the ones who fought for the anti-slavery movement and the democrats were the ones who tried to stop it.
However, I've observed that the African Americans are perceiv... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1il4nk/eli5why_does_african_americans_are_seen_more/ | {
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2,
3,
2,
3,
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"text": [
"In the 1960s, the Democrats pushed a bunch of laws to try and make racial equality happen. This drove all the old white racists out of t... | [] | [] | [
[],
[],
[],
[],
[],
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] | |
83a83t | Why do batteries use the elements they use? And it's possible to make better batteries than the ones we have today? | Like phone batteries use lithium, some are made out of mercury, etc etc. Why not batteries made out of Oxigen or Gold? and so one...
And if it is possible to make better batteries for phone and other electronics, why aren't we using them? | askscience | https://www.reddit.com/r/askscience/comments/83a83t/why_do_batteries_use_the_elements_they_use_and/ | {
"a_id": [
"dvglcnx",
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"score": [
4,
2
],
"text": [
"Lithium is light (low mass per atom) and can make strong bonds (store much energy per atom). There are not many atoms that combine these properties. Making a full battery is a much more complex task, of course, you also want... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Half-reaction",
"https://zpowerbattery.com/silver-zinc-battery-advantages/",
"https://en.wikipedia.org/wiki/Chemical_energy",
"https://en.wikipedia.org/wiki/Lithium-ion_battery",
"https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&am... | |
6fpku7 | How did PT Boats in WWII cross from the US to the Pacific or Atlantic theaters? | Maybe it's a stupid question, given that they *are* boats, but I can't find anything about the process of getting PT boats from the US to the operational theaters of the war.
I've read plenty about how rough the open ocean can be in a WWII-era destroyer, but I imagine that the significantly smaller, lighter, and far ... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6fpku7/how_did_pt_boats_in_wwii_cross_from_the_us_to_the/ | {
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"In short, they didnt!\n\nThey were loaded as cargo onto larger vessels and transported that way. And in general they would only be transported in groups, ideally an entire squadron at a time as they were meant to act in concert as a coherent tac... | [] | [] | [
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"http://www.navsource.org/archives/12/120503101.jpg",
"http://www.navsource.org/archives/12/120562601.jpg",
"http://www.navsource.org/archives/12/120503102.jpg"
]
] | |
zmush | Over time, do rivers/creeks dig into the earth's surface(I.e. the Grand Canyon) or do they only grow wider? | askscience | http://www.reddit.com/r/askscience/comments/zmush/over_time_do_riverscreeks_dig_into_the_earths/ | {
"a_id": [
"c65znvg"
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"score": [
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"text": [
" > Over time, do rivers/creeks dig into the earth's surface(I.e. the Grand Canyon)\n\nI believe that you have answered your own question."
]
} | [] | [] | [
[]
] | ||
40sbtz | How would life for the average Frenchman in Toulouse, Montpellier or Lyon have differed from one in Paris, Reims or Metz under German occupation in WW2? | I'm wondering what effect the German occupation of France had for cities and areas much further away from the German border compared to ones much closer | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/40sbtz/how_would_life_for_the_average_frenchman_in/ | {
"a_id": [
"cyx552c"
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"score": [
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"text": [
"You don't mention it as a factor - is it a coincidence that you have named three cities that were in Vichy France against three that were under direct occupation?"
]
} | [] | [] | [
[]
] | |
aaeioo | why do so many warships and container ships have a large bulge at the bow below the waterline? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/aaeioo/eli5_why_do_so_many_warships_and_container_ships/ | {
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"text": [
"The bulge modifies the way the water flows around the bottom of the vessel, creating less drag. This increasing speed, fuel efficiency, range, and overall stability of the vessel.",
"If you're referring to [this](_URL_1... | [] | [] | [
[],
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"https://en.wikipedia.org/wiki/Bulbous_bow",
"https://upload.wikimedia.org/wikipedia/commons/thumb/9/92/Passenger_ship_Zaandam_in_drydock.jpg/2560px-Passenger_ship_Zaandam_in_drydock.jpg"
]
] | ||
6nhagx | How does music get transmitted from our phones to our speakers via Bluetooth or the auxiliary cord? | askscience | https://www.reddit.com/r/askscience/comments/6nhagx/how_does_music_get_transmitted_from_our_phones_to/ | {
"a_id": [
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"text": [
"How speakers work:\nAs it turns out, moving charges (electrical current) generate complimentary magnetic fields. When you coil a wire around a magnet and vary the current through it, you can move the magnet. Speakers make sound by varying the el... | [] | [] | [
[]
] | ||
8gbfvh | why aren't you allowed have contact with an organ donor for years after the transplant? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8gbfvh/eli5_why_arent_you_allowed_have_contact_with_an/ | {
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"I'm actually in the middle of all my tests to donate one of my organs, so I had this conversation somewhat recently with my coordinator.\n\nIt depends on t... | [] | [] | [
[],
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[],
[],
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] | ||
qndft | the flame challenge by alan alda: answer the question – “what is a flame?” – in a way that an 11-year-old would find intelligible and maybe even fun. | _URL_0_ | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/qndft/the_flame_challenge_by_alan_alda_answer_the/ | {
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"text": [
"[Feynman did a pretty good job](_URL_0_)",
"When something burns, it gives off heat.\n\nHot things give off light...first red, then yellow, then blue as they get hotter. It'... | [] | [
"http://flamechallenge.org/"
] | [
[
"http://www.youtube.com/watch?v=ITpDrdtGAmo"
],
[],
[],
[]
] | |
222upp | why do i sneeze everytime i walk outside, but have no known allergies? | I can walk outside on a sunny day and just have one large sneeze, go back inside then come outside in 10 minutes or so and sneeze again. Anyone know why? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/222upp/eli5_why_do_i_sneeze_everytime_i_walk_outside_but/ | {
"a_id": [
"cgitonj"
],
"score": [
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],
"text": [
"it is called a Photic Sneeze Reflex. It affects 18-35 percent. it is an uncontrollable reaction to bright things such as the sun when you walk outside."
]
} | [] | [] | [
[]
] | |
j2mjv | attention: your science questions can be explained by scientists and scientist wannabes in the ask science subreddit. | explainlikeimfive | http://www.reddit.com/r/askscience | {
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"But will they explain it like you're 5?",
"Many of these questions can be explained by... | [] | [] | [
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bhrhuv | What prevented European countries like Russia, Spain, or Denmark from developing major automobile industries like GB, France, Germany, Italy, etc? | [deleted] | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/bhrhuv/what_prevented_european_countries_like_russia/ | {
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"Spain produces [more cars](_URL_0_) per year than the UK and France and Russia only slightly less than the UK and well more than Italy. SEAT sells more cares than any British marque. So your criteria for having a 'major automobile industry' are p... | [] | [] | [
[
"http://www.oica.net/category/production-statistics/"
]
] | |
1vowiz | Why did Malcom X hate JFK? | Perhaps hate was a strong choice, but after reading briefly about Malcom X and his departure from the Nation of Islam, it appears as though he really did hate the guy - he's quoted as describe JFK's assassination as chickens coming home to roost.
It doesn't quite make sense to me, but I'm also very disconnected from t... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1vowiz/why_did_malcom_x_hate_jfk/ | {
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"Okay, so just a little bit of background before I get into the specifics of the JFK/Malcolm X relationship. Malcolm X wasn't aligned with the Civil Rights Movement, was extremely anti-integration, and didn't advocate a nonviolent approach to civi... | [] | [] | [
[
"http://www.malcolm-x.org/speeches/spc_120463.htm"
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] | |
ko21l | What is the evolutionary reason for happiness? | For the sake of the discussion, let's say that happiness is when chemical reactions happen in the brain that are thought responsible for the feeling of happiness.
Pain teaches the individuals to avoid any damage to their bodies. It says "don't touch fire, don't fall, don't run into the wall" etc. But happiness does n... | askscience | http://www.reddit.com/r/askscience/comments/ko21l/what_is_the_evolutionary_reason_for_happiness/ | {
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"You can probably trace it back to endorphins. It's obvious why these feel-good chemicals would be released eating or sex, which serve obvious biological functions. But they also get released when we're in pain or at a fight-... | [] | [] | [
[],
[]
] | |
6viij7 | how does a military vessel like a destroyer fail to detect a cargo ship heading their way? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6viij7/eli5_how_does_a_military_vessel_like_a_destroyer/ | {
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"They are supposed to have multiple people on watch at all times watching the radar, radio, AIS as well as look out the windows. So people are questioning how this can happen to fou... | [] | [] | [
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fcr8g | Jurassic Park Related Inquiry | OK. While I know this doesn't fall into the realm of science and more in the realm of science fiction, I figured this would be the best place for me to hope for some interesting thoughts on the subject.
I was watching Jurassic Park the other day and had what I believe to be an interesting thought. Now, I was always u... | askscience | http://www.reddit.com/r/askscience/comments/fcr8g/jurassic_park_related_inquiry/ | {
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"I doubt they'd grow any smaller given they had sufficient diet, just t... | [] | [
"http://dinosaurs.about.com/od/dinosaurevolution/a/bigdinos.htm"
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[],
[],
[],
[],
[],
[],
[],
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sqlk7 | I have a question about toast... | Quick background I have an [AGA](_URL_0_) basically this just green. Anyway, the point is that this thing is always on, we never turn it off and it is always at cooking temperature.
On to the question, so I put some bread in the AGA and then I forgot about it so for more than a day this piece of bread was cooking away... | askscience | http://www.reddit.com/r/askscience/comments/sqlk7/i_have_a_question_about_toast/ | {
"a_id": [
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"score": [
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"A quick bit of research indicates that carbon has a fairly low specific heat capacity. This, combined with the fact a lot of the initial material may have burned off leaving only a small area/mass in contact with your finger, may explain the lack... | [] | [
"http://housetohome.media.ipcdigital.co.uk/96%7C000000ca9%7C5490_BH.11-06.AGA.jpg"
] | [
[]
] | |
3n0d7m | why can't towns create their own internet networks? | With all these problems with AT & T, Comcast, Charter, Time Warner, etc., why don't local governments create their own networks for their citizens? Wouldn't they make good money, increase population and happier citizens? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3n0d7m/eli5_why_cant_towns_create_their_own_internet/ | {
"a_id": [
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"score": [
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"text": [
"They can. Its just expensive, and requires a town budget spending that needs to be approved.\n\nThe term is municipal network."
]
} | [] | [] | [
[]
] | |
2gncwy | How do the Mars rovers, like Curiosity, deal with the problem of radiation? | Solar radiation interferes a lot with electronics. On earth we are relatively protected with the atmosphere but Mars doesn't have a protective atmosphere and the surface would be exposed to a lot of harmful radiation. This radiation would damage the.sensitive electronics.
Do the rovers detect the radiation and then s... | askscience | http://www.reddit.com/r/askscience/comments/2gncwy/how_do_the_mars_rovers_like_curiosity_deal_with/ | {
"a_id": [
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"text": [
"Radiation on the surface of Mars is not worse than that on space.\n\nRegarding solar radiation, [the atmosphere of Mars has an equivalent thickness of 18 g/cm^2 ](_URL_0_), so given the relatively low energy of solar particles that's not bad at a... | [] | [] | [
[
"http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0074988",
"http://en.wikipedia.org/wiki/Cosmic_ray",
"http://en.wikipedia.org/wiki/Single_event_upset",
"http://en.wikipedia.org/wiki/Radiation_hardening"
]
] | |
1oz3bf | why don't we replace income tax with sales tax? | An accountant recently told me that we would be better off replacing income tax with a sales tax. The idea is that luxury goods get taxed lots (say 50%), semi-luxury goods get taxed somewhat (say 20%) and necessities aren't taxed at all. He claimed that this would prevent people from hiding money in offshore accounts a... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1oz3bf/eli5_why_dont_we_replace_income_tax_with_sales_tax/ | {
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"A sales tax is inherently regressive. A family that makes very little money and spends it mostly on necessities would be hit much harder than a rich family because their percentage of income spent on an... | [] | [] | [
[],
[],
[]
] | |
2c04ym | why don't more animals just take the night shift and eat other animals when they are sleeping? | I've read that humans go into something called REM sleep, which is suppose to be very deep sleep. This sleep isn't really life threatening in our houses but wouldn't this be deadly for animals? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2c04ym/eli5_why_dont_more_animals_just_take_the_night/ | {
"a_id": [
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"text": [
"hence most daytime small animals find a secure burrow to sleep. or they band together as a pack and some sleep while others nap. ",
"Just a small correction, the deepest stage of sleep is called slow wave sleep, or de... | [] | [] | [
[],
[]
] | |
sjgar | How does the DNA replication machinery know when it has already replicated a chromosome? | Before mitosis, cells undergo DNA replication to generate two copies of each chromosome. How is the DNA replication machinery controlled such that it knows when a chromosome has been replicated. In other words, what stops it from over-replicating a chromosome? | askscience | http://www.reddit.com/r/askscience/comments/sjgar/how_does_the_dna_replication_machinery_know_when/ | {
"a_id": [
"c4ei806",
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"score": [
2,
2
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"text": [
"Cyclins are a type of protein closely related to telling our cell when to start the DNA synthesis phase of the cell cycle and regulating it. More specifically Cyclin E promotes/initiates the assembly of protein complexes tha... | [] | [] | [
[
"http://www.nature.com/ncb/journal/v4/n7/abs/ncb813.html"
],
[
"http://www.nature.com/nsmb/journal/v18/n4/full/nsmb.2004.html",
"http://www.nature.com/nrg/journal/v8/n8/full/nrg2143.html",
"http://www.ncbi.nlm.nih.gov/pubmed/21925316"
]
] | |
7cupjr | what causes the physical sensation of genital stimulation? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7cupjr/eli5_what_causes_the_physical_sensation_of/ | {
"a_id": [
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"score": [
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"text": [
"Nerves aren't so specialized by location physiologically. It's mostly how they are interpreted in the brain. Crossed wiring nuerologically is actually pretty common. "
]
} | [] | [] | [
[]
] | |
zqzb3 | How was ethnicity defined 1000 years ago? | One of the things I find hardest to wrap my head around when looking at history is the concept of 'ethnicities' prior to the c. French Revolution.
Was ethnicity or nationality defined by what language people spoke? Their last name? Who their ruler was or what flag they lived under?
Also, were physical features str... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/zqzb3/how_was_ethnicity_defined_1000_years_ago/ | {
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"My idea about ethnogenesis in the Early Middle Ages/Roman period is that is a very fluid concept, applicable according to the circumstances. That is, if you wanted to apply for membership of the Hunnic people for whatever re... | [] | [] | [
[],
[]
] | |
g11zz5 | How do ancient Indian sources describe the Greek invaders that came with Alexander’s campaign? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/g11zz5/how_do_ancient_indian_sources_describe_the_greek/ | {
"a_id": [
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"text": [
"The invasion of the Indus Valley (modern Pakistan) by Alexander the Great remains a divisive topic, no thanks to the modern parallels drawn between the British Raj and nationalism that can complicate matters, but also how little information we h... | [] | [] | [
[]
] | ||
5ssl25 | how the notion of "a god/gods" came around | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ssl25/eli5_how_the_notion_of_a_godgods_came_around/ | {
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"text": [
"Depends on who you ask. People with strong religious conviction believe it happened and something like the bible is essentially a history book. People who don't have religious beliefs tend to view it as a means of explaini... | [] | [] | [
[],
[]
] | ||
ava4jw | What is the exact difference between genotype and karyotype? | When I say "genotype" I'm referring to the entirety of the chromosomal configuration or said differently, full genetic makeup of a human.... full, not just one aspect as I've seen used in some cases.
Given that we're using genotype in that context, what is the difference between genotype and karyotype? | askscience | https://www.reddit.com/r/askscience/comments/ava4jw/what_is_the_exact_difference_between_genotype_and/ | {
"a_id": [
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"text": [
"Genotype typically refers to something arising from the DNA sequence. Karyotype specifically looks at the numbers of chromosomes in a cell, sizes of chromosomes, and position of the centromeres for example. Wikipedia will give you a decent backgr... | [] | [] | [
[]
] | |
14209u | why do i have to dial 1? | Why is is that sometimes I have to dial one and sometimes I don't? I understand long distance but IF I'm dial 203-555-1234, some one else can;t possibly have the telephone number 1-203-555-1234. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/14209u/eli5_why_do_i_have_to_dial_1/ | {
"a_id": [
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"score": [
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6
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"text": [
"On a regular phone, as soon as you push a button that number is sent through the phone line to your phone provider. Once you've hit 7 numbers, an attempt is made to connect to that phone number using your current area code.... | [] | [] | [
[],
[]
] | |
q65o3 | when i lick my skin and smell it, why does it smell sort of like bleu cheese? | You know that you know what I'm talking about. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/q65o3/when_i_lick_my_skin_and_smell_it_why_does_it/ | {
"a_id": [
"c3v16hp"
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"score": [
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"text": [
"Bacteria on your tongue. Go brush your teeth."
]
} | [] | [] | [
[]
] | |
5lslxe | how is it that we put salt in ice cream machines to make the ice colder, but we also put salt on our sidewalks and streets to melt the ice? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5lslxe/eli5_how_is_it_that_we_put_salt_in_ice_cream/ | {
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3yxb73 | is someone that is prosecuted by the government and ultimately found innocent automatically due any compensation for time spent incarcerated and resources spent on defense? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3yxb73/eli5_is_someone_that_is_prosecuted_by_the/ | {
"a_id": [
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"text": [
"Since this is a legal question you have to specify a jurisdiction. It is certainly not the case in all jurisdictions. In other words, in some locations, you can be screwed. ",
"This will vary greatly depending on where y... | [] | [] | [
[],
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] | ||
28ais0 | The "second" is the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium 133 atom... How did we discover this? | How was it defined before this discovery, and what led to our exact definition of the length of time that we know as a "second"? And as a bonus, how on earth do we count those oscillations? | askscience | http://www.reddit.com/r/askscience/comments/28ais0/the_second_is_the_duration_of_9192631770_periods/ | {
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"A day is the time span between two sun rises. An hour is a twentyfourth of a day. A minute is a sixtieth of an hour. A second is a sixtieth of a minute. That... | [] | [] | [
[],
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"http://en.wikipedia.org/wiki/Caesium",
"http://en.wikipedia.org/wiki/Time_standard"
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[],
[],
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"http://en.wikipedia.org/wiki/Louis_Essen#Time_standards"
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ax6z4p | Why do so many breakfast dishes across so many cultures have dessert like features while lunch and dinner dishes do not. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/ax6z4p/why_do_so_many_breakfast_dishes_across_so_many/ | {
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"I guess the question to that question is: do they? There aren't actually a lot of consistent features to breakfast cross-culturally, and those features that are common are usually more about how easy the food is to prepare than how it tastes. Cer... | [] | [] | [
[]
] | ||
cmb53j | Media Mondays: Zulu (film) Expert Commentary | Hi everyone!
This week we are looking at the 1964 film [Zulu](_URL_0_ Set in British South Africa in 1879, the film begins with the news of the British army's defeat by the Zulu at the Battle of Isandlwana, and then depicts the following Zulu attack on a field hospital and supply depot at Rorke's Drift.
Are you... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/cmb53j/media_mondays_zulu_film_expert_commentary/ | {
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15
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"text": [
"Zulu is actually a very interesting example of the dangers of changing details in historical media for dramatic or character purposes. One of the major characters in the film, Private Henry Hook, is depicted as a coward an... | [] | [
"https://en.wikipedia.org/wiki/Zulu_(1964_film))*.*"
] | [
[],
[
"https://www.reddit.com/r/AskHistorians/comments/1k364f/question_about_the_movie_zulu_1964_and_tv_series/cblf09r/",
"https://www.reddit.com/r/AskHistorians/comments/19nu3t/how_accurate_or_inaccurate_was_the_movie_zulu/c8ptbvp/",
"https://www.reddit.com/r/AskHistorians/comments/5gtb8o/how_histori... | |
232nj2 | totality of a solar eclipse | I was reading that the duration of totality for a total solar eclipse can last no longer than 7 minutes and 32 seconds. Furthermore, this number is decreasing each millennium. My questions are:
1. Why is there a limit to how long the duration of totality can occur?
2. Why is the duration decreasing? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/232nj2/eli5_totality_of_a_solar_eclipse/ | {
"a_id": [
"cgstfq2"
],
"score": [
2
],
"text": [
"As for why the duration is decrease, it is because the Sun is slowly expanding in size and Moon is actually moving away from the Earth. 5 hundred million years from now, total eclipses will no longer be possible."
]
} | [] | [] | [
[]
] | |
1rcxew | how do copyright laws work? how heavily are they enforced? | My current project is to work with a team of guys to make a free RPG for any mobile device. We would love to put funny little references here and there but we are unsure how clear we can be in case we get in trouble. How do copyright laws work exactly? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1rcxew/eli5_how_do_copyright_laws_work_how_heavily_are/ | {
"a_id": [
"cdlyyca"
],
"score": [
2
],
"text": [
"Copyright law is the idea that when people make creative content, they and they alone can decide who profits from it for a limited time. Generally, this means that if you want to use content from something with copyright, ask first or be prepare... | [] | [] | [
[
"http://www.youtube.com/watch?v=tk862BbjWx4",
"http://www.copyright.gov/fls/fl102.html"
]
] | |
86z9e1 | why does the middle of ice get all milky/cloudy? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/86z9e1/eli5_why_does_the_middle_of_ice_get_all/ | {
"a_id": [
"dw8zqjg"
],
"score": [
2
],
"text": [
"Near the surface of the ice, dissolved gasses are able to be forced out as the water freezes. Further down, the gasses are forced out of solution as it freezes and are trapped. This is also why slowly freezing ice makes it clearer than quickly. "... | [] | [] | [
[]
] | ||
2hlhv1 | whats the point of the joke where people are wearing those rubber horse mask | Im sure you understand what I mean | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2hlhv1/eli5_whats_the_point_of_the_joke_where_people_are/ | {
"a_id": [
"cktrhqm"
],
"score": [
2
],
"text": [
"It just looks weird. The point is to get noticed. I do find that funny, even that President Obama shook hands with one of those guys. It is just surreal humor. It's OK if you don't find it funny."
]
} | [] | [] | [
[]
] | |
3033ok | When Pangea existed, was it made up of many Tectonic plates together, or one big Tectonic plate that broke up to create many? | (Answered) | askscience | http://www.reddit.com/r/askscience/comments/3033ok/when_pangea_existed_was_it_made_up_of_many/ | {
"a_id": [
"cpougxv"
],
"score": [
6
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"text": [
"Pangea was composed of multiple, preexisting plates. These [paleogeographic maps](_URL_0_) should help give you a better idea of what the world looked like before Pangea came to be. \n\nJust remember that these maps are in no way perfect and so... | [] | [] | [
[
"https://www2.nau.edu/rcb7/globehighres.html"
]
] | |
16mmpp | Are all potential games of solitaire winnable? | askscience | http://www.reddit.com/r/askscience/comments/16mmpp/are_all_potential_games_of_solitaire_winnable/ | {
"a_id": [
"c7xe0dt",
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"c7xu7ff",
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"score": [
502,
147,
12,
7,
... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Klondike_(solitaire)#Odds_of_winning"
],
[],
[
"http://english.stackexchange.com/questions/2166/more-clear-vs-clearer-when-to-use-more-instead-of-er"
],
[],
[],
[],
[],
[],
[
"http://www.reddit.com/r/askscience/comments/13wegd/what_are_the_odds_of_winn... | ||
3elksm | what is the chance of finding life in the universe | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3elksm/eli5_what_is_the_chance_of_finding_life_in_the/ | {
"a_id": [
"ctg2704"
],
"score": [
2
],
"text": [
"100%, we have already found life in the universe... us. But I'm guessing you are asking life outside of Earth, which in impossible to calculate. We only know that life exists here, but we haven't looked anywhere else. So you have a sample size of... | [] | [] | [
[]
] | ||
35fkgk | a lot of us nutrition labels list grams of carbohydrates, and then underneath that, grams of sugar and fiber. a lot of the time, grams of sugar + grams of fiber does not equal grams of carbohydrates. why the discrepancy? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/35fkgk/eli5_a_lot_of_us_nutrition_labels_list_grams_of/ | {
"a_id": [
"cr3xfek"
],
"score": [
3
],
"text": [
"Starches are not explicitly labeled but are the missing key. Sugars are 'simple carbs', starches are 'complex carbs'. Both are energy sources with 4 calories per gram."
]
} | [] | [] | [
[]
] | ||
8nqbas | You live in an arctic igloo (with electricity). Will a refrigerator still be able to keep things at 40 degrees Fahrenheit? | I once watched a documentary on an arctic outpost and the narrator said something like "the temperature here is 0 degrees. in this weather, you'd use a fridge to keep things WARM!". It was a bit cheesy, but makes me wonder whether a refrigerator DOES have heat capacity. | askscience | https://www.reddit.com/r/askscience/comments/8nqbas/you_live_in_an_arctic_igloo_with_electricity_will/ | {
"a_id": [
"dzxlyja",
"dzxm401",
"dzywmmy"
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"score": [
3,
17,
7
],
"text": [
"Doable, you need to remove the fridge's door and install it in the igloo's wall with the fridge's inside on the outside of the igloo, making the fridge's [rear condenser](_URL_0_) your indoor heating e... | [] | [] | [
[
"https://www.doityourself.com/forum/attachments/electric-large-kitchen-home-appliances/34685d1405270060-wheres-drain-hose-refrigerator-rear-fridge.jpg"
],
[],
[
"http://iopscience.iop.org/article/10.1088/0031-9120/36/4/301/meta"
]
] | |
140z7v | Why is water a liquid and not a gas at room temperature? | Why does two hydrogen, an element that has a very low precipitation point, and one oxygen atom, another element with a low precipitation point, make water with such a relatively high point of being a liquid? | askscience | http://www.reddit.com/r/askscience/comments/140z7v/why_is_water_a_liquid_and_not_a_gas_at_room/ | {
"a_id": [
"c78xxhg",
"c78yg8n",
"c78zla8"
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"score": [
3,
4,
8
],
"text": [
"Compounds do not have to reflect the properties of their constituent atoms. For example salt (NaCl) behaves neither like chlorine or sodium. Every compound and element has its own unique properties due ... | [] | [] | [
[],
[],
[]
] | |
3u80i8 | why aren't there zip lock bags in cereal boxes? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3u80i8/eli5_why_arent_there_zip_lock_bags_in_cereal_boxes/ | {
"a_id": [
"cxcn84t",
"cxcqmqo",
"cxd4z2c"
],
"score": [
6,
2,
2
],
"text": [
"Zip lock bags cost a few cents more to produce and those few cents would make no difference in sales. You might like having it but you arent boycotting them for not having it and you wont change your bu... | [] | [] | [
[],
[
"http://prod-cdn.thekrazycouponlady.com/wp-content/uploads/2011/01/malt-o-meal.jpg"
],
[]
] | ||
6fqqjs | Why do we feel sleepy or tired when we are in a depressed state or mood? | askscience | https://www.reddit.com/r/askscience/comments/6fqqjs/why_do_we_feel_sleepy_or_tired_when_we_are_in_a/ | {
"a_id": [
"dikp37t",
"dikxqg4"
],
"score": [
13,
4
],
"text": [
"I think the honest answer is that from a neurochemical perspective, nobody knows. Depression is still incredibly poorly understood. It's very possible that depressive states coincide with some sort of neurotransmitter imbal... | [] | [] | [
[],
[]
] | ||
b05nyb | why can my hands sometimes type (or "remember") words correctly that i'm having trouble thinking about the spelling of? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b05nyb/eli5_why_can_my_hands_sometimes_type_or_remember/ | {
"a_id": [
"eic9ryr",
"eic9sir"
],
"score": [
2,
5
],
"text": [
"Doing a motion repeatedly, teaches your brain to automate that motion, like when learning to ride a bicycle or swimming.",
"Muscle memory, as you type the word more and more you remember more accurately where you need to... | [] | [] | [
[],
[]
] | ||
2zcefd | Could someone tell me what these are? (link in comments) | I've seen [them](_URL_1_) on alot of tanks but I never got exactly what they are and what their function is. One more example, also from a [Jagdtiger](_URL_0_)
Im sorry if this is the wrong sub for this, ask me to delete it if thats the case. Thanks | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2zcefd/could_someone_tell_me_what_these_are_link_in/ | {
"a_id": [
"cphpnda"
],
"score": [
2
],
"text": [
"They are extra track pieces. If the tank threw its track, broke a track, or otherwise need an extra piece or two, the crew could remove the track and put it on in the field (theoretically). But the pieces also increased the armor protection of th... | [] | [
"http://www.whq-forum.de/cms/uploads/pics/jagdtiger_01.jpg",
"http://i.imgur.com/3ixuykd.jpg"
] | [
[]
] | |
2rojp2 | what causes sleepy boners? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2rojp2/eli5_what_causes_sleepy_boners/ | {
"a_id": [
"cnhsn8s",
"cnhswfy"
],
"score": [
2,
2
],
"text": [
"There's not really a proven point for this, but there are two main theories:\n\nFrom an evolutionary standpoint, men are more sexually aroused when they first wake up. This is from the early days of human existence when the ... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Sympathetic_nervous_system",
"http://en.wikipedia.org/wiki/Parasympathetic_nervous_system"
]
] | ||
2mojcv | Why do objects make a sound when they are broken? What is causing the emission of the sound? | Say I break a carrot and you hear that "snap". What is causing that sound? Why is it making that sound? | askscience | http://www.reddit.com/r/askscience/comments/2mojcv/why_do_objects_make_a_sound_when_they_are_broken/ | {
"a_id": [
"cm66l4o",
"cm67uk9"
],
"score": [
7,
49
],
"text": [
"This isn't a comprehensive answer, but I know that sound generation is an irreversibility in a system. If you had two imperfect, rough surfaces gliding against each other, friction (vibration) would generate molecular kinet... | [] | [] | [
[],
[]
] | |
6yvw83 | have storm systems gotten generally larger in recent years? what is taking place to generate more overall mass? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6yvw83/eli5_have_storm_systems_gotten_generally_larger/ | {
"a_id": [
"dmqj6yc",
"dmqk46n"
],
"score": [
2,
6
],
"text": [
"Climate change and higher temperatures (global warming of average ocean temperatures).\n\nHigher temperatures means more water evaporation, which means more mass to the storm.\n\nHigher temperatures also mean a higher rate o... | [] | [] | [
[],
[]
] | ||
24tmre | why does every post, no matter what it is, get so many downvotes on reddit? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/24tmre/eli5_why_does_every_post_no_matter_what_it_is_get/ | {
"a_id": [
"chajg1d",
"chajgnw",
"chajkyf",
"chak28o"
],
"score": [
7,
3,
4,
7
],
"text": [
"That's because of [vote fuzzing](_URL_0_). It's a way for reddit to conceal the true number of votes a post has received, in order to hamper spam bots. The number of votes on a ver... | [] | [] | [
[
"http://www.reddit.com/wiki/faq#wiki_how_is_a_submission.27s_score_determined.3F"
],
[],
[],
[]
] | ||
7qcs11 | How do historians and economists differ in their approach to economic history? | As an undergraduate student, I’ve taken both history and economic courses and noticed that each discipline often draw different conclusions about historical events. For instance, a historian might claim that the actions of the labor movement resulted in shorter working days and higher wages while an economist might cla... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7qcs11/how_do_historians_and_economists_differ_in_their/ | {
"a_id": [
"dsozsp0"
],
"score": [
5
],
"text": [
"I will try to tackle this question with you but I will have to tell you in advance that I find it very difficult to articulate an answer in a foreign language here. This is a problem that originates from our understanding of disciplines, complexi... | [] | [] | [
[]
] | |
2b2jub | why are pepsi/coke bottles shaped different in other countries? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2b2jub/eli5_why_are_pepsicoke_bottles_shaped_different/ | {
"a_id": [
"cj15oq7",
"cj15pmm"
],
"score": [
2,
3
],
"text": [
"Coke licenses the rights to bottle it's product out to local distributors. Local distributors choose packaging that is most cost effective for them/appealing etc to the locals.",
"Each brand has to adapt to the region i... | [] | [] | [
[],
[]
] | ||
16m0cd | why is it that food has to be refrigerated to keep it from germs, but if our body catches a cold it gets germs? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/16m0cd/eli5_why_is_it_that_food_has_to_be_refrigerated/ | {
"a_id": [
"c7x8r6w",
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"c7xb57u",
"c7xbs00",
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],
"score": [
4,
5,
2,
2,
2
],
"text": [
"It's a myth you get a cold from cold. Also, cold is a virus, not bacteria. ",
"When our bodies get cold, our immune systems get weaker. So cold viruses ha... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
2eqbzr | obscene startup valuations | Why is it every start up seems to be valued in the billions now? What is the actuarial basis for this? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2eqbzr/eli5_obscene_startup_valuations/ | {
"a_id": [
"ck1wr0p"
],
"score": [
3
],
"text": [
"On an actuarial basis, companies are typically valued at 1.5-5x revenue. A billion dollar company likely makes a quarter to a half billion in revenues. Keep in mind, even small startups need $1-10million to get off the ground these days, and it's... | [] | [] | [
[]
] | |
2scj77 | When the Romans adopted another group's deities how did it work? Were the deities officially brought in to the Roman pantheon? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2scj77/when_the_romans_adopted_another_groups_deities/ | {
"a_id": [
"cnogrnl"
],
"score": [
2
],
"text": [
"You might be thinking of the evocatio, or the official calling away of a foreign deity to Rome. One of the most famous examples is after Rome’s sack of Veii.\n\n > When all human wealth had been carried away from Veii, they then began to remove ... | [] | [] | [
[]
] | ||
edgn08 | why are we not allowed to say the whistleblower's name online? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/edgn08/eli5_why_are_we_not_allowed_to_say_the/ | {
"a_id": [
"fbhp9l2"
],
"score": [
2
],
"text": [
"Because people are crazy, and the whistleblower doesn't deserve to have his (or his family's) life threatened for doing what he thought was right. Also, it's entirely possible the leaked name isn't the whistleblower, in which case, the wrong per... | [] | [] | [
[]
] | ||
1br7v4 | How did the people of your specialty/time keep themselves clean and attractive? What were their usual beauty regimes? | I'm interested in learning how people used to keep themselves clean and how they tried to make themselves look attractive. I'm not just interested in hygiene, but what were their usual beauty regimes? Like how the Geisha's used bird feces in their make up, and how some women used ground up led as eye make up. Also, wha... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1br7v4/how_did_the_people_of_your_specialtytime_keep/ | {
"a_id": [
"c99h8ze",
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"c99jr15",
"c99k1uk",
"c99p0uy"
],
"score": [
13,
70,
11,
37,
8,
20
],
"text": [
"I'd be very interested in the response to this. I read a Michael Crichton book once which mentioned that in the middle ages in Eng... | [] | [] | [
[],
[
"http://ancientegyptmoberly.pbworks.com/f/cone.jpg"
],
[
"http://www.imdb.com/title/tt0384766/?ref_=sr_1",
"http://books.google.es/books?id=9Z6vCGbf66YC&pg=PA180&lpg=PA180&dq=ancient+body+hair+removal+techniques&source=bl&ots=YK4bxWlboc&sig=uh3GzxY2htJnJdObuODqdEIBEb8... | |
sstx1 | Was toast a popular food choice before the invention of the modern toaster? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/sstx1/was_toast_a_popular_food_choice_before_the/ | {
"a_id": [
"c4gqo6h",
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"c4gsp8f",
"c4guufj"
],
"score": [
9,
5,
3,
29,
14,
13,
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2,
2
],
"text": [
"I'm not sure historically but I do know that in a lot of literature... | [] | [] | [
[],
[],
[],
[],
[],
[
"http://historymyths.wordpress.com/tag/fireplace-toaster-stir-with-toe/"
],
[],
[],
[]
] | ||
2p4nd6 | how do so many people seem to naturally have good/odourless breath? | Besides brushing, of course. More specifically, without the use of mints or gum. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2p4nd6/eli5_how_do_so_many_people_seem_to_naturally_have/ | {
"a_id": [
"cmtbp7x"
],
"score": [
2
],
"text": [
"Personally I think it's the food you eat. If I eat very low sugar 'natural' food products like porridge, bread, rice etc one day the next morning my breath is odourless, whereas if I ate dairy, or sugary food like chocolate and ice cream I'm more... | [] | [] | [
[]
] | |
1lsegu | how can or why would someone consider themselves being transgender without being pre-op or post-op? | It never dawned on me until about a year ago that there are people who consider themselves a gender that does not match their sex, without any plans to change their sex to match said gender. I thought I accepted it and understood the concept until a friend made the change - now I'm confused. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1lsegu/eli5how_can_or_why_would_someone_consider/ | {
"a_id": [
"cc293xg",
"cc295nw",
"cc296ii",
"cc29c7m",
"cc2cm6y"
],
"score": [
7,
2,
3,
2,
3
],
"text": [
"I'm no expert - but surely it's possible for someone who was born a man to feel like a woman, to chose to live her life as a woman, dress like a woman, and id... | [] | [] | [
[],
[],
[],
[],
[]
] | |
7r627w | What was the fighting in the Great Lakes area during the War of 1812 like? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7r627w/what_was_the_fighting_in_the_great_lakes_area/ | {
"a_id": [
"dsva8vd"
],
"score": [
18
],
"text": [
"This is a very big question, but I can give some generalities to start, and if you'd like to follow up with more specific questions I'd love to respond.\n\nThe Great Lakes basically covered the entirety of the northwestern frontier of the war, a... | [] | [] | [
[]
] | ||
6mnu94 | What effect does rain have on how sound travels? | askscience | https://www.reddit.com/r/askscience/comments/6mnu94/what_effect_does_rain_have_on_how_sound_travels/ | {
"a_id": [
"dk3ezti"
],
"score": [
5
],
"text": [
"Well when it rains it's more humid, so with all the extra water in the air sound should travel faster. I'm not 100% sure how this translates in proportion to the change in temp (cold front or warm front) but I'd imagine the temperature shift woul... | [] | [] | [
[]
] | ||
28fzia | how is electricity generated? can we ever "run out" of electricity? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/28fzia/eli5_how_is_electricity_generated_can_we_ever_run/ | {
"a_id": [
"ciaknxx"
],
"score": [
8
],
"text": [
"Super ELI5 version is this:\n\nRotate a conducting material in a magnetic field, and electric current will flow through it.\n\nThe magnetic field is created with magnets, which are \"infinite\". So the only question is where to get the force to r... | [] | [] | [
[]
] | ||
1mcr21 | why does my brain feel "fuzzy" when i'm sick? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1mcr21/eli5_why_does_my_brain_feel_fuzzy_when_im_sick/ | {
"a_id": [
"cc81pti"
],
"score": [
3
],
"text": [
"Your body is utilising resources to fight off the infection of foreign agents in your system. Higher processes are not top priority in this case, which makes certain patterns of thought (particularly reasoning) incredibly hard to do."
]
} | [] | [] | [
[]
] | ||
tusjs | why it was necessary or even desirable for facebook to float (ipo) | From what I understand, floating is usually a way to take in money, money that is then used to grow and expand the business. But Facebook was already earning huge amounts of money. They don't need outside money to grow.
Many successful billion dollar companies have not floated, or have reversed the floatation later (V... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/tusjs/eli5_why_it_was_necessary_or_even_desirable_for/ | {
"a_id": [
"c4pwpml",
"c4pwvo1"
],
"score": [
4,
18
],
"text": [
"One point, Facebook is not already earning huge amounts of money.",
"Basically the SEC forced them to do it. People with large holdings have been trading shares of Facebook on secondary markets for a while now as more V... | [] | [] | [
[],
[]
] | |
22d3y0 | why do some people have 'wet' earwax while others have 'dry' earwax? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/22d3y0/eli5_why_do_some_people_have_wet_earwax_while/ | {
"a_id": [
"cglsky9"
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"score": [
2
],
"text": [
"Ooh, I know this! First off, it's genetic. It's one of the rare traits that's decided by a single gene (this is called a Mendelian Trait). This particular gene is located on chromosome 16, and in this gene if one particular slot contains the amin... | [] | [] | [
[]
] | ||
5xg58i | When I burn my toast, does the burnt portion have a similar chemical composition to charcoal? | I was wondering this as I left my bread in the toaster for too long. My thought process went: wheat = plant, tree = plant, burnt tree = charcoal, burnt (processed) wheat = ??? | askscience | https://www.reddit.com/r/askscience/comments/5xg58i/when_i_burn_my_toast_does_the_burnt_portion_have/ | {
"a_id": [
"dejc5m8"
],
"score": [
8
],
"text": [
"Yes, actually. Both wood and bread are largely made of carbohydrates, which are made from carbon, oxygen and hydrogen. When you convert a carbohydrate to charcoal, it looses the oxygen and hydrogen and becomes largely carbon. This process is j... | [] | [] | [
[]
] | |
80csrj | what actually happens when an electronic bank transfer is made? | What happens to the physical money? Is it deposited from one bank to another in batches? Does the physical money never move?
| explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/80csrj/eli5_what_actually_happens_when_an_electronic/ | {
"a_id": [
"duul6qr",
"duulb4a"
],
"score": [
5,
4
],
"text": [
"Physical money never needs to move if you dont sort it in the first place. \n\n\nLets say you are holding 5 dollar bills each for 3 friends. You put all 15 dollars in your wallet. One friend comes and says “actually make 3 o... | [] | [] | [
[],
[]
] | |
42wins | Is the endemic ethnic conflict/civil war in Myanmar (Burma) really the result of imperialism? What were ethnic relations in the region like before the British stomped in? | Pretty much what it says on the tin. The conflicts in Myanmar (Burma...I'm unclear on the proper nomenclature here as Myanmar is the official name, but last time the country was in American news, articles were pointing out that that was a military coup imposition and Burma was better...I should add "what do I call this... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/42wins/is_the_endemic_ethnic_conflictcivil_war_in/ | {
"a_id": [
"cztt68m",
"czdpz1n",
"cze6qps"
],
"score": [
3,
3,
2
],
"text": [
"This is old, but in Southeast Asia, long before the arrival of European Colonialists, there was low-land/high-land conflict. The lowland viewed itself as representative of \"civilization\", which liter... | [] | [] | [
[
"http://www.cornell.edu/video/james-scott-the-art-of-not-being-governed",
"https://en.wikipedia.org/wiki/Zomia_%28geography%29"
],
[],
[]
] |
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