q_id stringlengths 5 6 | title stringlengths 3 301 | selftext stringlengths 0 39.2k | document stringclasses 1
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values | url stringlengths 4 132 | answers dict | title_urls list | selftext_urls list | answers_urls list |
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6k4igf | Dоеs thе bоdу nаturаllу рrоduсе еnоugh рrоlіnе аnd glусіnе fоr hеаlіng sоft tіssuе іnјurіеs? | askscience | https://www.reddit.com/r/askscience/comments/6k4igf/dоеs_thе_bоdу_nаturаllу_рrоduсе_еnоugh_рrоlіnе/ | {
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"If you have a healthy diet then yes. Obviously consult your doctor before beginning single amino acid supplementation as it can disrupt your metabolism."
]
} | [] | [] | [
[]
] | ||
6n45o0 | Are there any records that tell of an infanticide that occured in Ancient Egypt? | I tried the search function, and Google. Neither were of any help.
I've been learning about Biblical Exodus.
I'd like to know if there are any archaeological or historical records outside of the Bible that indicate if there was a mass infanticide in the land of Ancient Egypt.
Exodus 1:22: Then Pharaoh gave this ... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6n45o0/are_there_any_records_that_tell_of_an_infanticide/ | {
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"For starters, the consensus among Egyptologists that there is no archaeological evidence for widespread ethnic slavery in Egypt or anything else in Exodus. I'd cite sources but there are so many examples of Egyptologists saying this that it shoul... | [] | [] | [
[
"http://www.snopes.com/religion/redsea.asp"
]
] | |
8mp9cr | how do stars burn or react for millions of years in the cold vacuum of space? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8mp9cr/eli5_how_do_stars_burn_or_react_for_millions_of/ | {
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"There's two false assumptions here\n\n1) About the \"dissipation of heat\" in a vacuum\n\nand \n\n2) Stars don't burn\n\nSo, about 1), note that there are 3 ways to transfer heat: conduction, convection, and radiation. Condu... | [] | [] | [
[],
[]
] | ||
e1fh78 | How does one induce a strong shockwave instead of a weak shockwave? | For a supersonic shockwave two solutions exist for a given angle; the strong and weak shockwave. Nature prefers the weak shockwave, but the strong shockwave is not impossible.( i think) | askscience | https://www.reddit.com/r/askscience/comments/e1fh78/how_does_one_induce_a_strong_shockwave_instead_of/ | {
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"text": [
"Diffraction, reflections and dispersion can all be used to cause the individual waves to combine to a much stronger wave. For instance when an explosive goes off above the ground the direct shockwave and the one reflected from the ground can comb... | [] | [] | [
[
"http://www.atomicarchive.com/Effects/effects6.shtml"
]
] | |
1soe0s | why are so many baby animals "fuzzy"? babies of mammalian species (i'm thinking ducks, bears, kittens, etc) are all fuzzier when they're young. anyone know why? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1soe0s/eli5_why_are_so_many_baby_animals_fuzzy_babies_of/ | {
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"text": [
"ducks are not mammals",
"I would guess because fine and fluffy hair/feathers would provide better insulation and keep them warm.",
"As a trained biologist, I feel the n... | [] | [] | [
[],
[],
[],
[]
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67yrlr | why is it that there are so many advancements in the world, yet it never feels like anything revolutionary is happening? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/67yrlr/eli5_why_is_it_that_there_are_so_many/ | {
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"text": [
"We live in an age where increments between improvements of products are much smaller than \"back in the day\". Coupled with this, we are constantly being informed about these changes, so we never really... | [] | [] | [
[],
[],
[]
] | ||
2apq0n | Do birds have abdominal muscles? | Every bird I've cleaned from hunting to supermarket are all breast from neck to groin. wtf nature? | askscience | http://www.reddit.com/r/askscience/comments/2apq0n/do_birds_have_abdominal_muscles/ | {
"a_id": [
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"text": [
"Yes, they do.\n\nFrom Coles' \"Essentials of Avian Medicine and Surgery\" (my copy is Third Edition, 1997):\n\n\"The\nabdominal muscles are the same as those in the mammal but the extent of the linea alba\nand the thickness of the muscles vary ac... | [] | [] | [
[]
] | |
1u87nl | why do i find male comedians consistently funnier than female comedians, is there a reason behind this? | Apologies to anyone who finds this sexist, it's not intended to be and I am just inquisitive as to whether there is an explanation behind this. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1u87nl/eli5_why_do_i_find_male_comedians_consistently/ | {
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16,
12,
7,
2,
10,
6,
... | [] | [] | [
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"https://www.youtube.com/watch?v=LnOg01N1u3w"
],
[... | |
c8mocp | how are logic chips (and/or/nand/etc) actually built to work like their chosen logic gate? | Like with an AND gate I understand how it works in that an input of 1 AND 1 make an output of 1, but how do the logic chips actually perform the function? How would you build a logic gate without using logic chips? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/c8mocp/eli5_how_are_logic_chips_andornandetc_actually/ | {
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"text": [
"The basic building block of electrical/electronic gates is the transistor. You can think of a transistor as an electrically operated switch. This switch has an input, output and a \"switch\" (also an ... | [] | [] | [
[],
[],
[
"https://youtu.be/VNzkhZBjo5k"
]
] | |
cgbe1k | Was There Opposition Against Women Writers in the Middle Ages? (Second Try) | I know many women in medieval Europe had fewer opportunities to learn to read and write in any language, but for those women who did learn, was writing and "publishing" a book much the same process as for male writers, or did they face opposition from political and religious authorities solely because of their gender? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/cgbe1k/was_there_opposition_against_women_writers_in_the/ | {
"a_id": [
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"text": [
"[1/2]\n\nThis is a great question!\n\n...So naturally I'm going to start by pushing back against it.\n\nThere are cases powerful political/ecclesiastical officials approved and even encouraged women writers. There are cases where powerful offici... | [] | [] | [
[]
] | |
2pm2en | why did the us and cuba hate each other? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2pm2en/eli5why_did_the_us_and_cuba_hate_each_other/ | {
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2,
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"text": [
"The US and Cuba were best friends 1898-1959. Cuba was a US territory for a time, and was considered for admission into the union.\n\nIn 1953 Fidel Castro led a communist revolution against the Cuban Ba... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Cuban_missile_crisis"
],
[]
] | ||
3f2c6s | what exactly is vevo? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3f2c6s/eli5_what_exactly_is_vevo/ | {
"a_id": [
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"text": [
"It's a video hosting site that owns the rights to show music videos from major music labels. It has a separate site, which is intended to attract advertisers. However, they also have approved Youtube channels for their most popular artists. I gue... | [] | [] | [
[
"http://www.rollingstone.com/music/news/seven-ways-musicians-make-money-off-youtube-20130919",
"will.i.am",
"https://en.m.wikipedia.org/wiki/Vevo",
"http://www.digitalmusicnews.com/permalink/2013/10/30/williamstuffvevo"
]
] | ||
ri08u | Could you orbit the moon at extremely low altitude (say... about chest height)? | So-- from what I understand about orbital dynamics, if you assume the planet you're orbiting is a singularity with no atmosphere, then there is a stable orbit for any altitude.
A body like the moon has only a trace atmosphere, so I'm assuming its effect would be negligible in the short run. But-- would the tidal effec... | askscience | http://www.reddit.com/r/askscience/comments/ri08u/could_you_orbit_the_moon_at_extremely_low/ | {
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"score": [
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"Yes, the moon isn't flat. There are a very high number of surface imperfections that rise above chest height. You'... | [] | [] | [
[],
[],
[
"http://www.nasa.gov/mission_pages/LRO/multimedia/lroimages/lroc-20110906-skimming_prt.htm"
],
[],
[],
[],
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] | |
24cjsy | Half-life of a species? | Humans have been evolving for millions of years. Lucy(Australopithecus) is from 3.2 mya , but humans are from .195 mya. How long does it take for a species to evolve into another? When might our species expect to evolve into another species? | askscience | http://www.reddit.com/r/askscience/comments/24cjsy/halflife_of_a_species/ | {
"a_id": [
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"text": [
"Humans are constantly evolving. The rate of evolution depends on many factors and is not consistent. The evolution of a new *species* is not physically measurable; it only gives us terminology to distinguish genetically different organisms. The l... | [] | [] | [
[]
] | |
axmzoa | Was slavery universal in ancient societies? | I started up an old Civ game and began to wonder how my society functions. The ancient societies that I'm most familiar with practiced slavery in some form or another, is there a major ancient civilization that I can use as a model without practicing slavery? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/axmzoa/was_slavery_universal_in_ancient_societies/ | {
"a_id": [
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"text": [
"I think it would be hard to give a completely definitive answer to this question. For one thing, there are many societies for which few or no detailed records survive, making it impossible to say what social institutions they may or may not have ... | [] | [] | [
[]
] | |
5z7n2b | how are reflections of camera men/women avoided in films? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5z7n2b/eli5_how_are_reflections_of_camera_menwomen/ | {
"a_id": [
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"text": [
"In the editing process, ideally once the movie has what they call \"picture lock, (meaning all the cuts are in place but the special effects havent been done yet) they find each surface where there are reflections and paint them out.\n\nOne commo... | [] | [] | [
[]
] | ||
1u9zqx | why does ice make alcohol more drinkable? | Cold alcoholic drinks go down much much easier than room temperature, why? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1u9zqx/eli5_why_does_ice_make_alcohol_more_drinkable/ | {
"a_id": [
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"text": [
"Cold temperatures cause molecules to move slower, which liquids to release fewer molecules into the air when cold. This decreases the scent of the liquid, and one's sense of taste is dominated by one's sense of smell."
]
} | [] | [] | [
[]
] | |
6kle6j | How did we go from unicellular to multicellular life? | askscience | https://www.reddit.com/r/askscience/comments/6kle6j/how_did_we_go_from_unicellular_to_multicellular/ | {
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"text": [
"I know there is a theory known as Endosymbiont Theory which hypothesizes that the mitochondria of plants are the result of one unicellular organism \"eating\" another one. However, it ended being up more beneficial for them ... | [] | [] | [
[
"http://learn.genetics.utah.edu/content/cells/organelles/"
],
[
"http://www.sciencedirect.com/science/article/pii/S0022283615004532"
]
] | ||
3kwqpx | why are school textbooks so large and complex, when teachers never have time to use the whole book in a year? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3kwqpx/eli5_why_are_school_textbooks_so_large_and/ | {
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"text": [
"Because they want to cover as many different topics as possible and some teachers might want to cover different things than other teachers. Also they should offer pupils the possibility to read them by themselves and thereb... | [] | [] | [
[],
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] | ||
1u48ih | Are there Western sources for Japanese executions by sword? | Mythbusters tried to show that it was impossible for humans to be strong enough to behead another human using a sword. I thought this had been documented by western sources. Also, testing swords by cutting corpses in half. Are there sources by Western diplomats or traders that attest to this? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1u48ih/are_there_western_sources_for_japanese_executions/ | {
"a_id": [
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"text": [
"Sure, here you go:\n\n_URL_0_\n\nSorry for lacking secondary sources, but that's a pretty interesting primary source I linked to."
]
} | [] | [] | [
[
"http://books.google.com/books?id=PXh3O1l5BI4C&pg=PA91"
]
] | |
188w19 | How quickly was the Mediterranean basin refilled? | I came across [this article](_URL_0_) today. It says the Mediterranean dried up after being cut off from the Atlantic 5 million years ago. 170,000 years later, it refilled, possibly due to tectonic activity. I'm curious whether the sea bed refilled gradually, or if it would have looked like something out of a disaster ... | askscience | http://www.reddit.com/r/askscience/comments/188w19/how_quickly_was_the_mediterranean_basin_refilled/ | {
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"[Here](_URL_0_) is an article by a guy who did a study on it. He says:\n\n > Although the whole flooding process may have lasted up to several thousand years, 90% of the water was transferred in a short period ranging between months and a few... | [] | [
"http://www.sciencedaily.com/releases/2009/02/090211122529.htm"
] | [
[
"https://sites.google.com/site/daniggcc/research-interests/messinian"
]
] | |
2qqg58 | What kind of research goes into the wording on road signs? | I'd imagine (hope?) that some kind of research goes into the effectiveness of wording on road signs. But how do they determine which signs will be most effective?
For instance, I've noticed that different states have different takes on the wording for what the right and left lanes of highways should be used for. Some... | askscience | http://www.reddit.com/r/askscience/comments/2qqg58/what_kind_of_research_goes_into_the_wording_on/ | {
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"text": [
"The study of road signs is not at all my area of expertise, but a quick literature review revealed that there is considerable research on this subject. I haven't seen anything comparing the efficacy of variations of wording ... | [] | [] | [
[],
[]
] | |
bgvxlj | The ten black hole merger events detected by LIGO over the past five years seems like a lot. Is it? | LIGO has been running for five years, or about one three billionth the age of our universe. I'm amazed that it has already detected ten black hole mergers. Can we interpret this as: 1) there are a LOT of black holes in the universe. 2) the universe is SO huge and mind-boggingly expansive that even rare events are... | askscience | https://www.reddit.com/r/askscience/comments/bgvxlj/the_ten_black_hole_merger_events_detected_by_ligo/ | {
"a_id": [
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"text": [
"oh sorry...forgot to mention what LIGO is:\n\n_URL_0_\n\n\"The Laser Interferometer Gravitational-Wave Observatory (LIGO) is a large-scale physics experiment and observatory to detect cosmic gravitatio... | [] | [] | [
[
"https://en.wikipedia.org/wiki/LIGO"
],
[],
[]
] | |
eguu73 | When you burn something what is left behind? In other words what is ash and why cant it be burned with the rest of the stick, leaf, etc? | askscience | https://www.reddit.com/r/askscience/comments/eguu73/when_you_burn_something_what_is_left_behind_in/ | {
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"text": [
"If you burn wood, tobacco, etc until it is white, there is mostly just mineral contents left, i.e. salts and oxides of metals. The metal potassium was actually named after its presence in this potash.\n\nOrganic compounds ... | [] | [] | [
[],
[]
] | ||
1b2a1w | what is culture? | I'm doing a project in my research class and we are trying to figure out how to explain culture to young children. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1b2a1w/eli5_what_is_culture/ | {
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"text": [
"cul·ture /ˈkəlCHər/\n\nNoun: The arts and other manifestations of human intellectual achievement regarded collectively. \n\nVerb: Maintain (tissue cells, bact... | [] | [] | [
[],
[],
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33nypg | Is the Heisenberg Uncertainty Principle derived or experimentally found? | Title says it all | askscience | http://www.reddit.com/r/askscience/comments/33nypg/is_the_heisenberg_uncertainty_principle_derived/ | {
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3,
2
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"text": [
"It's basically a theorem about Fourier transforms. If you do a Fourier transform on the waveform representing the position of a particle, you get a waveform representing the momentum. If you do a Fourie... | [] | [] | [
[],
[],
[]
] | |
pv1e7 | How do animals come to understand what pregnancy, birth and reproduction are? | I was curious about this when my aunt's cat gave birth to a litter of kittens.
Do animals actually know that they will give birth? If so, at what stage? If a female cat is pregnant, is she conscious on some level of the fact that she will give birth to a litter of kittens at some point, or does she just notice how har... | askscience | http://www.reddit.com/r/askscience/comments/pv1e7/how_do_animals_come_to_understand_what_pregnancy/ | {
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4
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"text": [
"There is nothing at this time to definitely test or understand how \"less intelligent\" mammals understand pregnancy or their bodily processes. We just haven't been able to find out what exactly they think. I would highly ... | [] | [] | [
[],
[
"http://www.youtube.com/playlist?list=PL848F2368C90DDC3D"
]
] | |
4i9g27 | How did medieval people become guards? Could anyone become one? | So I know that it was a voluntary thing but did you literally just turn up and be accepted? Or would there be a draft? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4i9g27/how_did_medieval_people_become_guards_could/ | {
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"text": [
"You might have more success finding an answer to this question by being more specific. The medieval world was a gigantic and diverse place, and medieval society was around for a long time. \n\nIf you narrowed down by locatio... | [] | [] | [
[],
[
"http://actaperiodica.org/documents/APD2013/APD1_J_Chandler.pdf"
]
] | |
124q1b | If you would put water inside a diamond, seal it and freeze it would the diamond break? | I've been pondering on this question for awhile now, since Water expands by about 10% when frozen and it is known that this process can make cracks in even the most sturdy rock.
Is this possible; yes/no why?
Edit1:
I see alot of mixed answers and I still dont know if such thing would happen if the diamond was perfect... | askscience | http://www.reddit.com/r/askscience/comments/124q1b/if_you_would_put_water_inside_a_diamond_seal_it/ | {
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7,
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990,
194,
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14,
... | [] | [] | [
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"http://en.wikipedia.org/wiki/Material_properties_of_diamond",
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[
"http://www.lsbu.ac.uk/water/phase.html",
"http://www.lsbu.ac.uk/water/ice.html"
],
[
"http://en.wikipedia.org/wiki/Strength_of_materials",
"http://en.wikipedia.org/wiki/Mohs_... | |
6ka75s | how does my brain allow me to start a sentence without knowing exactly how it will end while still making coherent sense | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6ka75s/eli5_how_does_my_brain_allow_me_to_start_a/ | {
"a_id": [
"djkhk23"
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"score": [
19
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"text": [
"Unless you're reading a speech or other pre-written work you always make up what you're going to say as you go. Because everyone does this the thing that we call \"coherent\" has room for small errors in continuity, word choice, etc. We also usu... | [] | [] | [
[]
] | ||
xx8gx | Has a sociology experiment ever been conducted to see if a society could exist without money? | I'm wondering if this has ever been tried, or if such a society ever existed. | askscience | http://www.reddit.com/r/askscience/comments/xx8gx/has_a_sociology_experiment_ever_been_conducted_to/ | {
"a_id": [
"c5qzz8e"
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"score": [
2
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"text": [
"Absence of money itself is well documented in history. Money is nothing more than a generally accepted universal standard of barter. You may be gearing your question to the more substantial absence of barter?\n\nYou'd have to hit up the anthropol... | [] | [] | [
[]
] | |
7gz5dm | i read that members of the u.s. congress need, on average, "$14,000 every single day just to stay in office". why? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7gz5dm/eli5_i_read_that_members_of_the_us_congress_need/ | {
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"text": [
"Power. \n\nWhy else spend $3 million to get a job that pays $80,000?"
]
} | [] | [] | [
[]
] | ||
2n27vt | How did tribes migrate over large distances? | AskHistorians | self | {
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"^Ok, ^because ^reddit ^decided ^to ^eat ^my ^elaborations ^on ^this ^question ^and ^isn't ^letting ^me ^edit ^my ^OP, ^I'll ^post ^them ^here ^instead.\n\nIt's common to read about tribes being forced out of their homeland due to warfare or envir... | [] | [] | [
[]
] | ||
4902ls | why aren't sidewalks slightly higher in the middle so that water would drain to the side? | If it's good for keeping water from collecting in the middle of roads why not sidewalks too? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4902ls/eli5_why_arent_sidewalks_slightly_higher_in_the/ | {
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"text": [
"Sidewalks should generally slope towards the gutter. Roads are crowned (higher in the middle) so that water drains to both sides, but on the sidewalk you have gutters on one side and peoples' property on the other.\n\nMost c... | [] | [] | [
[],
[]
] | |
2hqndl | Is this our universes first big bang? | So i understand there is a lot of evidence supporting the 'big freeze' theory, but if there is a big crunch and everything coalesces into black holes which then coalesce together.
And if energy cannot be created nor destroyed, then theoretically this coalescing would once again bring all energy back to a single point... | askscience | http://www.reddit.com/r/askscience/comments/2hqndl/is_this_our_universes_first_big_bang/ | {
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" > Baring in mind that if you put exactly the same inputs in and the circumstances are the same, then you should receive exactly the same results.\n\nMaybe not. As I understand it, current theories a... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Cyclic_model",
"http://en.wikipedia.org/wiki/Big_Bounce"
],
[]
] | |
yt2fr | baseball | Can anybody explain the rules of baseball? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/yt2fr/eli5_baseball/ | {
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"text": [
"Baseball is a game in which two teams try to score more points - runs - than the other team, given an equal number of chances. The offensive team attempts t... | [] | [] | [
[],
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"Slate.com",
"http://www.slate.com/articles/sports/sports_nut/2009/05/baseball_is_like_tag.html"
],
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"http://upload.wikimedia.org/wikipedia/commons/thumb/a/a1/Baseballpositions.png/280px-Baseballpositions.png",
"http://diction... | |
1jstln | why do i feel a disconnection between myself and my reflection? | When I look in the mirror, I have trouble associating the reflection with being what I look like, despite knowing that. It doesn't feel like a reflection of me, and I have a sort of dissociation from it. Looking in the mirror or catching myself doing something that isn't preening or teeth brushing or whatever provokes ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1jstln/eli5_why_do_i_feel_a_disconnection_between_myself/ | {
"a_id": [
"cbi2tkd"
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"score": [
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"text": [
"I'm not an expert, but I would suggest you listen to this: _URL_0_ Its a rather long program, but I was unable to find a link to just the bit I am thinking of. \n\nReally fascinating hour of radio, but the part I think is relevant is a section w... | [] | [] | [
[
"http://www.radiolab.org/2011/apr/18/"
]
] | |
pwgxt | what's the significance of 255 is computing/programming? | It's a weird, odd, integer, yet I see it all the time when it comes to tech and computer stuff. Oblivion level/skill caps, XBLA message cap, and I'm sure you guys know more. So what is this number and why is it significant? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/pwgxt/eli5_whats_the_significance_of_255_is/ | {
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"It's the largest value you can fit into one byte.",
"We usually count in base-10. Afte... | [] | [] | [
[],
[],
[],
[],
[],
[],
[
"http://www.asciitable.com/"
],
[
"http://english.zahlungsverkehrsfragen.com/images/ueberweisung_eng.jpg"
]
] | |
5w7oh0 | why do those spots appear when you leave a surface like glass or mirror wet without drying it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5w7oh0/eli5_why_do_those_spots_appear_when_you_leave_a/ | {
"a_id": [
"de7xla5"
],
"score": [
5
],
"text": [
"When the water evaporates, it leaves behind all the impurities (like minerals), that is what you see. They say the \"harder\" the water (i.e. more impure) the more water spots you get. "
]
} | [] | [] | [
[]
] | ||
ohbqn | how cough syrup works? | How does stuff like Robitussin and NyQuil work to keep you from coughing? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/ohbqn/eli5_how_cough_syrup_works/ | {
"a_id": [
"c3h9kbb",
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"score": [
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2
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"text": [
"Well, there are two basic ways they work. With one type of medicine(Antitussives is the big person term), it makes you not want to cough, another (expectorants is the big person term) allows the stuff you cough up to slide d... | [] | [] | [
[],
[]
] | |
cekht5 | what are the applications of studying the fourth dimension? | There are two things I wish to understand that I don’t about the fourth dimension. First off I’d like to know: Do mathematicians mean that the fourth dimension is something that actually exists or is it a hypothetical idea? Secondly I wonder what the use of studying the fourth dimension is for us living in a 3D world, ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cekht5/eli5_what_are_the_applications_of_studying_the/ | {
"a_id": [
"eu37agb",
"eu37h5r"
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"score": [
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"text": [
"It's not always directly related to the real world. If you take vectors as an example. You have (1,2) which is a 2D vector, you have (-3,1,4) which is a 3D vector but you could also have (3,6,1,4,1,6,7,9) without any issues.... | [] | [] | [
[],
[]
] | |
2ycelk | Naming customs from the Iberian Peninsula, Why do they use two surnames? | Hello everyone, not so long ago I found this map while browsing the web: _URL_0_ and while I don't know how true it is it led me to ask myself why do the spanish and the portuguese use two surnames when seemingly the rest of the world mostly uses the father's name only (I was born in a spanish speaking country and it i... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2ycelk/naming_customs_from_the_iberian_peninsula_why_do/ | {
"a_id": [
"cp8cccw"
],
"score": [
10
],
"text": [
"In medieval England, the choice of a surname might not be Fitz Gerald but Fitz Isabelle, or Baxter/Webster rather than Baker/Webber because Mom was the notable parent and a baker or weaver. It did not indicate illegitimacy. It used to be pretty ... | [] | [
"https://s-media-cache-ak0.pinimg.com/736x/a7/2e/a5/a72ea552bee0b693907b9b25491d19e1.jpg"
] | [
[]
] | |
1ixdna | why are buffalo wings called buffalo and not just chicken? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ixdna/eli5why_are_buffalo_wings_called_buffalo_and_not/ | {
"a_id": [
"cb8yj27"
],
"score": [
18
],
"text": [
"Because they come from buffalo ny. \n\nSource. I'm from buffalo NY. "
]
} | [] | [] | [
[]
] | ||
fkq14r | difference between intelligence, knowledge, cleverness, wisdom? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fkq14r/eli5_difference_between_intelligence_knowledge/ | {
"a_id": [
"fku2djt",
"fku2fjs"
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"score": [
2,
2
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"text": [
"Intelligence is the ability to draw connections between things, see the links and commonalities, the ability to absorb information and use it to problem solve.\n\nKnowledge is the amount of information that someone has absor... | [] | [] | [
[],
[]
] | ||
1bzgxo | why do some things taste good to others but not to me? also, why do some sounds irritate me but not others? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1bzgxo/eli5_why_do_some_things_taste_good_to_others_but/ | {
"a_id": [
"c9bpr7t"
],
"score": [
4
],
"text": [
"Some of it is how you're born, and some of it is how you're raised.\n\nTASTE:\n\nSo, some people have a gene that allows them not to taste bitterness as much. Bitterness is often caused by phenylthiocarbamide in foods. Some people can't taste it ... | [] | [] | [
[]
] | ||
2410a7 | - how are people legally allowed to post obvious personal pictures of their own illegal drugs/substances on the internet without any legal repercussions, such as r/trees? | Notice: I have NEVER eaten marijuanas or any other drugs before, nor will I ever. Those god-awful substances will kill you! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2410a7/eli5_how_are_people_legally_allowed_to_post/ | {
"a_id": [
"ch2j2sr",
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"ch2mlxe",
"ch2mofz",
"ch2mug0",
"ch2ngqo",
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... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
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[],
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"http://en.wikipedia.org/wiki/Heroin",
"http://en.wikipedia.org/wiki/Morphine",
"http://en.wikipedia.org/wiki/THC",
"http://en.wikipedia.org/wiki/Cocai... | |
28xmth | How did the term "Coolie" originate, and what drove it to become a racist term? | I was debating with some people about the term "coolie" being racist, and a number of Americans aren't aware of the racist past of the word, likely because it is long obsolete. That got me wondering more about it's history, and usage. A bit of google searching indicates that it is applied to more groups than just Chine... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/28xmth/how_did_the_term_coolie_originate_and_what_drove/ | {
"a_id": [
"cifkyvq",
"cifnydj"
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"score": [
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3
],
"text": [
"I don't think it's uniformly racist, it kind of depends on where you are and whom the word is used by.\n\nI think the word originates in Indian languages. In India, a \"coolie\" is a manual laborer, particularly one who carr... | [] | [] | [
[
"http://images.jagran.com/Coolie-sl-12-8-2011.jpg"
],
[]
] | |
3hba2x | why do celebrities generally engage in significant other relationships with other celebrities? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3hba2x/eli5_why_do_celebrities_generally_engage_in/ | {
"a_id": [
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"cu5u8uy",
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"score": [
22,
2,
3,
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],
"text": [
"People tend to get involved within the circles they work and socialize in. With celebrity types it could be that the long hours and types of functions they attend makes it natural... | [] | [] | [
[],
[],
[],
[]
] | ||
frvk7a | why are disease mortality rates calculated the way they are when the outbreak is ongoing? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/frvk7a/eli5_why_are_disease_mortality_rates_calculated/ | {
"a_id": [
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"score": [
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3
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"text": [
"In the early days it's hard to really say what \"recovered\" means. You don't have a 3 month or 6 month survival rate because there's no patients that have records that long. Nearly all cases are recent.\n\nYou also don't ... | [] | [] | [
[],
[]
] | |
23xjge | how do molecules in cells know what to do? | ive been reading a lot of biology and ect chemistry stuff recently, and in normal chemistry its like, ok, we've got a couple molecules in a jar, there's only a couple things they can do. and they do that. but in biology it seems like there's this infinite possibility for things to go wrong. oh, ok there's this DNA in ... | askscience | http://www.reddit.com/r/askscience/comments/23xjge/how_do_molecules_in_cells_know_what_to_do/ | {
"a_id": [
"ch1jz2p",
"ch1luhy",
"ch1rm04",
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"score": [
11,
6,
3,
2
],
"text": [
"It's because biological molecules fit together geometrically. The molecules in a cell are all careening around at random, but if they don't fit together, they just bounce off of e... | [] | [] | [
[],
[],
[
"http://en.wikipedia.org/wiki/Brownian_motion"
],
[]
] | |
10bxwy | Reddit, where, if at all, does the universe end? | Lets dive.. INTO THE WORMHOLE. | askscience | http://www.reddit.com/r/askscience/comments/10bxwy/reddit_where_if_at_all_does_the_universe_end/ | {
"a_id": [
"c6c4dsh",
"c6c5egt"
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"score": [
18,
3
],
"text": [
"All indications are that the universe has no spatial end. The best analogy I've heard is to think of our universe as the skin of a balloon. Since we live in the \"skin\" of this hypothetical balloon, no matter what direct... | [] | [] | [
[],
[
"http://www.youtube.com/watch?v=Z0o6hQLcSRc"
]
] | |
5fdffu | Why did women become associated with witchcraft and magic rather than men? | Basically at any time in history - during the dark ages to the Salem witch trials. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5fdffu/why_did_women_become_associated_with_witchcraft/ | {
"a_id": [
"dajox49",
"dak5usd"
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"score": [
12,
11
],
"text": [
"Follow-up question: What caused the shift from witchcraft originally being associated with the well-read clergy toward women and social outcasts?",
"Hi, you may be interested in a few related comments:\n\n* thread in [... | [] | [] | [
[],
[
"https://www.reddit.com/r/AskHistorians/comments/3q0rkm/panel_ama_devils_ghosts_heretics_witches_miracles/cwbg6oh/",
"https://www.reddit.com/r/AskHistorians/comments/31r7lq/were_there_ever_any_cases_of_wizards_being_put_to/cq4b6pv/",
"https://www.reddit.com/r/AskHistorians/comments/3q0rkm/panel_... | |
3zkwl7 | why does san francisco (and even oakland) have more cultural cachet than san jose despite being smaller? | San Jose has 25% more people than SF and way more than Oakland, but seems to be thought of less often. SF is more often the setting for movies, songs, and TV; SF and Oakland have more sports teams than SJ (which wins only in NHL and MLS teams), etc. The 49ers are basically in San Jose but still call themselves an SF te... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3zkwl7/eli5_why_does_san_francisco_and_even_oakland_have/ | {
"a_id": [
"cymwwrp"
],
"score": [
5
],
"text": [
" > San Jose has 25% more people than SF...\n\nNow. It has more people now.\n\nSan Jose was a suburb that started growing. It doubled in size from 1950 to 1960, and doubled again by 1970, and finally passed SF in 1980.\n\nEven that is misleadin... | [] | [] | [
[]
] | |
4px166 | how can i recall fractions of dreams i had as a kid but can't remember some recent memories? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4px166/eli5_how_can_i_recall_fractions_of_dreams_i_had/ | {
"a_id": [
"d4ol1uu",
"d4omr10",
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"score": [
285,
37,
4,
2
],
"text": [
"If the brain considers a memory emotionally significant, it stores it away for long term memory. You had thousands of dreams as a child and only remember a small percentage of t... | [] | [] | [
[],
[
"https://www.psychologytoday.com/blog/am-i-right/201307/your-memory-isnt-what-you-think-it-is"
],
[],
[]
] | ||
8z4hrv | How credible are claims that Roman Emperor Elagabalus was transgender? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/8z4hrv/how_credible_are_claims_that_roman_emperor/ | {
"a_id": [
"e2h3go0"
],
"score": [
172
],
"text": [
"This is a fascinating question, but quite a difficult one to answer for several reasons. The most significant issue with answering your question is with defining 'transgender.' It's a contested term in the modern world with plenty of serious ac... | [] | [] | [
[
"http://www.dictionary.com/browse/transgender",
"http://penelope.uchicago.edu/Thayer/E/Roman/Texts/Cassius_Dio/80*.html",
"http://www.livius.org/sources/content/herodian-s-roman-history/herodian-5.4/",
"http://penelope.uchicago.edu/Thayer/E/Roman/Texts/Historia_Augusta/Elagabalus/1*.html"
]
] | ||
f9vsq | How does dark-energy curve space-time? | By space-time I mean that trampoline I saw in Brain Greene videos...
If it curves it "up"wards (negative mass?), how does light travel through it? | askscience | http://www.reddit.com/r/askscience/comments/f9vsq/how_does_darkenergy_curve_spacetime/ | {
"a_id": [
"c1edve9"
],
"score": [
3
],
"text": [
"Without dark energy, the average energy density would be smaller than the critical density, and the universe would have negative curvature. But since the curvature has been measured to be surprisingly close to zero, we are lead to believe that da... | [] | [] | [
[]
] | |
11bb7d | What does the mercury in a CFL bulb do? | I honestly don't know anything about how either type of bulb works, but why isn't it needed in incandescent bulbs? | askscience | http://www.reddit.com/r/askscience/comments/11bb7d/what_does_the_mercury_in_a_cfl_bulb_do/ | {
"a_id": [
"c6kxx08",
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"score": [
8,
2,
4
],
"text": [
"electrons in the mercury vapor are excited by the electrical current, thereby releasing UV photons when returning to a steady state. These UV photons are invisible to the eye, so the bulb has a white p... | [] | [] | [
[],
[],
[]
] | |
2olpbj | why does the mlb have such an expansive farm system while other sports have little or no farm system? | The NFL has none I know of, the NBA has the D-League, the NHL has the AHL, and the MLB has countless leagues under it. Why? Also to tack this on why does the MLB have such a large draft while the other leagues have relatively small ones? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2olpbj/eli5_why_does_the_mlb_have_such_an_expansive_farm/ | {
"a_id": [
"cmobcnu",
"cmobjaa",
"cmoedm6",
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"score": [
2,
3,
3,
2
],
"text": [
"NFL - College Football\n\nNBA - College Basketball\n\nMLB - College Baseball + Minor leagues.\n\nBasically this comes down to the nature of the sports. Your average Running Back's... | [] | [] | [
[],
[],
[],
[]
] | |
4bgxvg | why if light travels in straight lines does my phone produce a circular area of light on a wall | I didn't know whether to post this here or r/askscience but I feel like you people are more friendly | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4bgxvg/eli5why_if_light_travels_in_straight_lines_does/ | {
"a_id": [
"d18zm2x",
"d190jeg"
],
"score": [
2,
2
],
"text": [
"Straight lines doesn't mean it's emitted only at the right angle from the source. It's emitted in all directions hence the shape.",
"It spreads out in straight lines in the form of a cone if you view a cone from the side... | [] | [] | [
[],
[]
] | |
67msip | why do human beings just get sad sometimes for no real reason? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/67msip/eli5_why_do_human_beings_just_get_sad_sometimes/ | {
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"d... | [] | [] | [
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"https://www.youtube.com/watch?v=lGYzzKYV4Bs&feature=youtu.be"
],
[],
[],
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[... | ||
3859l6 | why are so many politicians lawyers? | Why do a disproportionate amount of politicians, at least in the U.S., come from a lawyer background? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3859l6/eli5_why_are_so_many_politicians_lawyers/ | {
"a_id": [
"crse4de",
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"score": [
4,
2
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"text": [
"Simplest answer I can think of,\n\nWho better to change and enforce the law then one specifically educated on it?",
"Law graduate here:\n\nAs /u/thePotatoeMasher mentioned, it does sort of come with the territory. Law sc... | [] | [] | [
[],
[]
] | |
67kuew | How does climate change cause the bleaching of the Great Barrier Reef? | I read an article recently claiming that, yet it didn't provide clear evidence or really explain how it does, may some one clarify for me please? | askscience | https://www.reddit.com/r/askscience/comments/67kuew/how_does_climate_change_cause_the_bleaching_of/ | {
"a_id": [
"dgrczbw",
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"score": [
13,
4,
2
],
"text": [
"Coral polyps have a symbiotic relationship with algae-like cells called dinoflagellates (also known as zoozanthallae) that live inside the coral polyp itself. The zoozanthallae can photosynthesise and... | [] | [] | [
[],
[],
[]
] | |
3yr11e | why does a product 's manufacturing price decrease with an increase of that product's production? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3yr11e/eli5_why_does_a_product_s_manufacturing_price/ | {
"a_id": [
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"text": [
"because it's a discount given by the manufacturers. the more you buy the less they charge per unit. \n\nthe reason is b/c, if you want to over 1 item. 99% of the cost is the overhead in retooling the... | [] | [] | [
[],
[],
[]
] | ||
1cptod | What was the initial reaction to Napoleon escape from Elba? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1cptod/what_was_the_initial_reaction_to_napoleon_escape/ | {
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"Napoleon escaped from Elba during the Congress of Vienna, when the European powers were assembled in Vienna to try and cobble together a peaceful resolution to the Napoleonic Wars. According to Prince Metternich (an Austrian statesman), he was gi... | [] | [] | [
[
"http://books.google.com/books?id=F0sAAAAAYAAJ&printsec=frontcover&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=false"
]
] | ||
9a6uud | laplace operator. its concept and its uses in real world. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9a6uud/eli5_laplace_operator_its_concept_and_its_uses_in/ | {
"a_id": [
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"text": [
"The Laplacian is the divergance of the gradient of a scalar field [div(grad(f(x,y,z)))]. \n\nBreaking this down, the divergance of a vector field tells you the net flux of the field from a given point. More physically, it te... | [] | [] | [
[],
[]
] | ||
17ywa8 | How do we get "used to" chilli or spicy foods? | Is there a physiological or psychological change that increases the tolerance of spicy foods as we consume more? And does ethnicity make a difference? | askscience | http://www.reddit.com/r/askscience/comments/17ywa8/how_do_we_get_used_to_chilli_or_spicy_foods/ | {
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"text": [
"Well, in the short term you can easily get used to it. The spice that we most commonly think of is capsaicin, which is what's in peppers (jalapenos, habaneros, ghost, even bell). This binds to a pain receptor in on nerves and causes release of a ... | [] | [] | [
[]
] | |
tccpl | Who has been a leader of a country that was unnecessary cruel/brutal, yet extremely effective in running his country? | I'm looking for a a ruler who made all the choices (king/dictator) who although counted as cruel or "evil" was exceptional in running his country and allowed it to overall prosper both short term and in the long run. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/tccpl/who_has_been_a_leader_of_a_country_that_was/ | {
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awy06j | In a rapidly spinning neutron star, does the radius of the star decrease due to Lorentz contraction? | How can lengths be measured in rapidly rotating spherical bodies? If I measure the radius won't my ruler too be contracted? If so then the circumference will be greater than 2*pi*r | askscience | https://www.reddit.com/r/askscience/comments/awy06j/in_a_rapidly_spinning_neutron_star_does_the/ | {
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"text": [
"I'm not sure about GR side of things, so no idea in the case of a neutron star and what masses with Angular momentum do to spacetime....\n\n(Only read on if you just wondered about Special Relativity)\n\nIf it was just a random smaller sphere so ... | [] | [] | [
[]
] | |
6cmlj5 | In the decades after the Second Punic War, did Romans portray Hannibal and Carthage at all like we view Hitler and Germany? | I figure that the Second Punic War was probably the WWII of its day, in terms of death toll and magnitude. I could certainly be wrong. Did Romans portray Hannibal as the sort of ultimate villain who commit unimaginable atrocities? Or was he more of an admired but defeated adversary of Rome, the way we see him today? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6cmlj5/in_the_decades_after_the_second_punic_war_did/ | {
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"I cannot state as a matter of fact what they thought. I can tell you, however, that the lengths that the Romans went through to track him down indicate a severe hatred for the man, even after the end of the Punic war. The Romans blamed Hannibal d... | [] | [] | [
[]
] | |
4uhlv8 | why do we sneeze sometimes as a response to pain? | When trying to pop a large painful spot, or plucking eyebrows, sometimes you sneeze what it hurts. Anyone know why? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4uhlv8/eli5_why_do_we_sneeze_sometimes_as_a_response_to/ | {
"a_id": [
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"text": [
"The nerves in your face are very close together and sometimes a signal on one can cause an adjacent one to fire. \n\nSame reason some people sneeze in bright light. "
]
} | [] | [] | [
[]
] | |
1et7hc | Why didn't more freedmen take advantage of the Homestead Act? | Reading the [text of the Homestead Act](_URL_0_) that had been passed in the middle of the Civil War, there seems to be nothing banning African-Americans from moving west and claiming land. Why didn't more freedmen take advantage of the Homestead Act rather than taking place in what would develop into the practice of s... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1et7hc/why_didnt_more_freedmen_take_advantage_of_the/ | {
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"text": [
"A large number of free blacks did take [advantage of the Homestead Act](_URL_0_). That WSJ article points out that many all-black townships were established by African-Americans settling in the West through the Homestead Act... | [] | [
"http://www.nps.gov/home/historyculture/upload/mw,pdf,homestead%20act,txt.pdf"
] | [
[
"http://online.wsj.com/article/SB10001424052702303448404577407800849985834.html"
],
[]
] | |
1clhic | Was Belfast always as segregated as during the Troubles? How did the segregation come about? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1clhic/was_belfast_always_as_segregated_as_during_the/ | {
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"text": [
"Great question, although I'd recommend you ask the fine people over at /r/IrishHistory if you don't get any answers here. ",
"You might be interested to check out the wikipedia article on [Peace Lin... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Peace_lines"
],
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"https://maps.google.co.uk/maps?q=derry&ll=54.993765,-7.308427&spn=0.001268,0.003484&hnear=Londonderry,+Derry,+United+Kingdom&gl=uk&t=m&z=19&layer=c&cbll=54.993749,-7.308596&panoid=zwC20YNnSwyq3EBOJU_7-g&cbp=... | ||
2zm4vf | Did we learn anything from experiments conducted by Unit 731? | I'm writing a paper about Unit 731 and want to focus more on the medical/scientific information. However, most of the books that I have found describe the horrendous "experiments" (most of which seems like it was just torture) that were done and not if anything was actually learned from these experiments or how scienti... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2zm4vf/did_we_learn_anything_from_experiments_conducted/ | {
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"text": [
"As far as I know some of that has never been declassified and after the exhaustive search a decade ago may even be misplaced.\n\n[Here](_URL_0_) is an extensive collection of essays about the documents released by Japanese [Imperial Government D... | [] | [] | [
[
"http://www.archives.gov/iwg/japanese-war-crimes/introductory-essays.pdf",
"http://www.archives.gov/iwg/about/iwg-title-8.html"
]
] | |
2fvl8t | why the word "second" is used for the number two. | After four the ordinals match up to the number. First, second, and third are weird and second is the weirdest. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2fvl8t/eli5_why_the_word_second_is_used_for_the_number/ | {
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"text": [
"'Second' is Latin, from *secundus* \"following, second in a list\", in turn from sequi \"follow\" (from which we also get 'sequel'). First and third come from German. How we managed to mix etymologies between ordinals is flatly beyond me."
]
} | [] | [] | [
[]
] | |
2qih8v | how do cats know to use the liter box from the get-go? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2qih8v/eli5_how_do_cats_know_to_use_the_liter_box_from/ | {
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"text": [
"A large part of it is instinct. In the wild, one way to track an animal is my its droppings. Cats learned to bury theirs to hide their presence. "
]
} | [] | [] | [
[]
] | ||
1bq6wg | In quantum entanglement, how do we know that the entangled particle pair do in fact "interact" over a distance, and wasn't just aligned when they first interacted? | I don't know anything about this really, except for what I've learned from watching clips on youtube and reading wikipedia. But I'm sort of stuck with this question, and can't find an answer. It says everywhere that the attribute of the second particle measured is always opposite to the first one, almost no matter how ... | askscience | http://www.reddit.com/r/askscience/comments/1bq6wg/in_quantum_entanglement_how_do_we_know_that_the/ | {
"a_id": [
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21,
3
],
"text": [
"This is addressed by a result known as Bell's theorem. \n\nIn short, Bell's theorem proves the following. Suppose you build a theory in which particles' observable properties or attributes really do have definite values at ... | [] | [] | [
[],
[]
] | |
27nuf8 | What did the Soviet Union think of Canada and Mexico? | Considering that both neighbour the US, did the soviets see them as potential allies or just countries subjugated by the US? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/27nuf8/what_did_the_soviet_union_think_of_canada_and/ | {
"a_id": [
"ci2qmdp"
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"text": [
"Depends on the period of time. \n\nIn the end Canada was seen as a forthright nation and an example of capitalism done right and a friend. There was a famous dinner outside of Windsor Ontario where the Russian dignitaries basically created peres... | [] | [] | [
[
"http://news.nationalpost.com/2013/03/17/the-walk-that-changed-the-world/",
"http://blogs.windsorstar.com/2013/02/20/chretien-trudeau-gray-whelan-was-fun-straight-talking/",
"http://en.wikipedia.org/wiki/Eugene_Whelan#Catalyst_for_Russian_perestroika",
"http://www.canada.com/windsorstar/news/story... | |
3o9ohy | catholics -- if jesus is god and has always existed as part of the trinity, why is it such a big deal that he died for our sins? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3o9ohy/eli5_catholics_if_jesus_is_god_and_has_always/ | {
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"text": [
"Follow up ELI5: What the heck is \"died for our sins\" even supposed to mean?",
"Jesus is God in Human Form. Because Jesus had committed to no sin in his life. He was pure. His... | [] | [] | [
[],
[],
[],
[]
] | ||
1d85k2 | If we can make a graph on 2D paper that looks 3D, can we do the same in the world with the fourth dimension? | To clarify, can humans make something like a graph that appears to have 4 dimensions in 3D space? | askscience | http://www.reddit.com/r/askscience/comments/1d85k2/if_we_can_make_a_graph_on_2d_paper_that_looks_3d/ | {
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"text": [
"When we draw 3D shapes on 2D paper we're actually drawing the shadow of a 3D object projected into 2D. It is possible to figure out what a 3D shadow of a 4D object looks like, for example, the shadow o... | [] | [] | [
[
"http://en.wikipedia.org/wiki/File:Schlegel_wireframe_8-cell.png"
],
[
"http://www.gutenberg.org/ebooks/97"
],
[
"http://www.lhup.edu/~dsimanek/3d/illus2.htm"
]
] | |
nje0c | What if the bombs werent dropped on Japan? | What would have been America's plans if they decided not to drop the bombs? Can we estimate how many lives would have been lost due to combat on the islands, and how prepared would the inner and main islands be? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/nje0c/what_if_the_bombs_werent_dropped_on_japan/ | {
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"text": [
"_URL_0_\n\nThat should get you started on America's basic plans for invasion.\n\nI'm on my way out the door for a bit, but I'll try and ... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Operation_Downfall"
],
[
"http://www.reddit.com/r/AskHistorians/comments/ma4k6/i_know_this_is_going_to_be_controversial_but_lets/"
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"http://www.amazon.com/Racing-Enemy-Stalin-Truman-Surrender/dp/0674022416/ref=sr_1_1?ie=UTF8&qid=1319085719&sr=8-1"
],... | |
3il1g2 | how do camera operators in golf games track golf balls? they seem impossible to track in real life | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3il1g2/eli5_how_do_camera_operators_in_golf_games_track/ | {
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"cuhktxq",
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"https://www.reddit.com/r/explainlikeimfive/comments/2g4om1/eli5_in_golf_how_do_the_cameramen_follow_the_ball/ckfpeeo",
"http://www.nytimes.com/1999/09/06/business/technology-aiming-for-perfect-shot-golf-most-challenging-game-for-tv-crew.html",
"http://www.protracer.se/experience/protracer-tv/",... | ||
1p3olv | proper way to salute | I recognize that the majority of US salutes are with the palm facing down, and that some UK branches will salute with the palm facing out. Every now and then I'll see a US service member salute with the palm facing in. Is there a significant difference between that and the palm down salute, or does it not matter? If ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1p3olv/eli5_proper_way_to_salute/ | {
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"text": [
"All US service members always salute palm down, always, there is no other US salute. If you see a US person saluting different, they probably weren't in the military and didn't know what they were doing, or were messing aro... | [] | [] | [
[],
[]
] | |
1rrjsv | how do i get my fruits and veges when they're not in season? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1rrjsv/eli5_how_do_i_get_my_fruits_and_veges_when_theyre/ | {
"a_id": [
"cdq4v60"
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"score": [
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"text": [
"They're either imported from somewhere where they are in season or they are grown in \"hot house\" greenhouses (climate controlled to provide ideal growing conditions for whatever they are growing). "
]
} | [] | [] | [
[]
] | ||
tznrv | After primates, what are humans closests relatives? | After you break everything down and start to leave the taxonomy of humans, what would be the closest reletive outside of primates? | askscience | http://www.reddit.com/r/askscience/comments/tznrv/after_primates_what_are_humans_closests_relatives/ | {
"a_id": [
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"score": [
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"text": [
"The sister order to Primates is [Scandentia](_URL_0_) which are tree shrews. "
]
} | [] | [] | [
[
"http://tolweb.org/Eutheria/15997"
]
] | |
45xlly | when a zygote first begins to divide in the womb, how do the new cells "know" what to differentiate into? how does a "kidney cell" know that it's a "kidney cell" and not a "brain cell" or a "nose cell"? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/45xlly/eli5_when_a_zygote_first_begins_to_divide_in_the/ | {
"a_id": [
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38,
3
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"text": [
"It is very complex, and the full, exact method for how this happens is not completely known. The DNA is the programming to set everything up though.\n\nWhat it comes down to is at some point a lot of d... | [] | [] | [
[],
[],
[]
] | ||
1ur9bs | Why do things seem to balance for long periods of time and then suddenly fall? | It's like when something is supposedly stable and then suddenly it just collapses... the concept that something just suddenly becomes off-balance doesn't make sense to me and if someone could explain it that'd be great. | askscience | http://www.reddit.com/r/askscience/comments/1ur9bs/why_do_things_seem_to_balance_for_long_periods_of/ | {
"a_id": [
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"text": [
" without any example. I have written this out imagining this as sunbathing like a wooden block balanced upright. \n\nIt is a combination of how much torque the center of mass (assuming a rigid body) of the object has on the pivot point and the b... | [] | [] | [
[]
] | |
3u7nok | the perks of an eu membership | Being from the States, I've never really known why the EU is a huge thing for the citizens residing in it (I understand the diplomatic and economic benefits of countries). Does an EU passport/membership get you anything special as a citizen? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3u7nok/eli5_the_perks_of_an_eu_membership/ | {
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"based on various agreements you can travel freely around members of Shengen agreement (nearly all EU members + countres like Norway or ... | [] | [] | [
[],
[],
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[],
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] | |
bjfrzn | how engineers can be sure that the hard shell of airbags won't hit someone during a crash? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bjfrzn/eli5_how_engineers_can_be_sure_that_the_hard/ | {
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"text": [
"They're scored on the inside to allow them to tear predictably. Kinda like how some grenades have similar cuts to get even distribution ( looking at you ... | [] | [] | [
[],
[],
[],
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[]
] | ||
6o3ji5 | how did game developers for old games like super mario put graphics, music, logic, etc using just tens of kilobytes? | A simple image nowadays can be a few megabytes. Oh and how did they use the few kilobytes of RAM they had so efficiently? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6o3ji5/eli5_how_did_game_developers_for_old_games_like/ | {
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"https://mud.co.uk/richard/htflpism.htm"
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"https://youtu.be/Tfh0ytz8S0k"
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"http://all-things-andy-gavin.com/2011/02/02/making-crash-bandicoot-part-1/"
],
[],
[],
[
"http://js13kgames.com/entries/super-pinto-rally-racer",
"http://js13kgames.... | |
c9wv49 | why are printers in offices so huge when regular printers do a perfectly good job? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/c9wv49/why_are_printers_in_offices_so_huge_when_regular/ | {
"a_id": [
"et3r5wv",
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"score": [
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2
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"text": [
"I don't know if it's the same for them all, but in my old job we had a massive printer in the office, and the reason is because the ink could be bought very cheap and last a lot longer. Instead of those small ink cartridges,... | [] | [] | [
[],
[]
] | ||
adrpwm | which way is the new horizons probe headed with regards to the path of the solar system through the galaxy? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/adrpwm/eli5_which_way_is_the_new_horizons_probe_headed/ | {
"a_id": [
"edjrxd9"
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"score": [
3
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"text": [
"Basically the same direction. Our solar system is moving through the galaxy at about 230 km/s and the probe is doing like 14 km/s. It isn't enough to do much more than slightly alter its path from our solar system's."
]
} | [] | [] | [
[]
] | ||
10yq1d | When determining if an electrical current is dangerous, what are the factors? DC vs AC, Volts vs Amps, points of contact... | Is AC more dangerous than DC? I read that one current pushes you off the contact, while the other locks you in. I have also read that one current has a *skin effect* keeping the current on your skin and less dangerous.
Are amps more important than voltage? I remember reading somewhere on here that one would make it ... | askscience | http://www.reddit.com/r/askscience/comments/10yq1d/when_determining_if_an_electrical_current_is/ | {
"a_id": [
"c6htozy",
"c6hup5r"
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"score": [
2,
3
],
"text": [
"Voltage doesn't kill; current kills. Van de graaff generators that can produce hundreds of thousands of volts are commonly used in classrooms to make students' hair stand on end. As little as 15mA across the heart of conti... | [] | [
"http://hypertextbook.com/facts/2005/GinaCastellano.shtml"
] | [
[
"http://www.ohmcheck.com/content.php?170-Human-electrical-resistance",
"http://hypertextbook.com/facts/2000/JackHsu.shtml"
],
[]
] | |
27m0sz | How was the Dutch revolt able to succeed? | Lately I've become more and more interested in the periods of the 30 and 80 years war, but there are some things I don't understand. How did the Dutch manage to beat off the Spanish, seeing how much smaller Holland was than the Habsburg empire, and even then the Dutch revolt was initially divided (Amsterdam not wanting... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/27m0sz/how_was_the_dutch_revolt_able_to_succeed/ | {
"a_id": [
"cifxmeg"
],
"score": [
2
],
"text": [
"The initial major victory was something of an accident. Dutch privateers were based in England, and when England kicked them out (they weren't too fussy over who's ships they attacked) these 'sea beggars' as they were called landed at the small t... | [] | [] | [
[]
] | |
halw5 | Oil: What is the real deal? | Does anyone really know how much crude oil there actually is underneath the earths surface?
Is there any basis to the "peak oil" theory?
Do we know how to MAKE crude oil?
| askscience | http://www.reddit.com/r/askscience/comments/halw5/oil_what_is_the_real_deal/ | {
"a_id": [
"c1twakh",
"c1twyne"
],
"score": [
6,
3
],
"text": [
"We can't be sure how much oil and gas is still trapped in the Earths crust. The estimates change frequently as regions receive updated information using newer technology, achieving a more accurate prediction. State owned oil... | [] | [] | [
[],
[]
] | |
1hzgpr | why was world war I longer, more costly, and more deadly than anticipated? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1hzgpr/why_was_world_war_i_longer_more_costly_and_more/ | {
"a_id": [
"cazgyf6"
],
"score": [
11
],
"text": [
"Well firstly, every theorist in the world had an unreal expectation of what the war would look like. They all believed, for a myriad of reasons, that the war would take weeks or a few months. This was supported by the precedent set by the Wars o... | [] | [] | [
[]
] | ||
4n4t28 | Has the moon a north/south pole? | On earth we mostly navigated (before GPS) with a compass and so uesed the magnetic field of the earth. We determine directions with North/South and West/East and so on. Does the moon have a magnetic field too or whould a compass be useless on the moon?
And if there is nothing like a magnetic field, how do/did moon rov... | askscience | https://www.reddit.com/r/askscience/comments/4n4t28/has_the_moon_a_northsouth_pole/ | {
"a_id": [
"d410r0z",
"d4125ib"
],
"score": [
5,
3
],
"text": [
"The moon does have a magnetic field but it's very weak compared to Earth and it isn't dipolar like Earth's. Earth's magnetic field is generated by convection of the liquid layers of the core rotating around the solid inner c... | [] | [] | [
[],
[]
] | |
42iiu9 | How involved did the Netherlands remain with its former colonial possessions in the former Dutch East Indies? | The UK maintains the Commonwealth with many former British colonies, and France still is quite connected it many of its former colonies too. Following decolonization, what role did the Dutch play in Indonesia? Was the relationship a good one, antagonistic, indifferent? Has there been similar, active military aid like w... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/42iiu9/how_involved_did_the_netherlands_remain_with_its/ | {
"a_id": [
"czdq3p1"
],
"score": [
4
],
"text": [
"A reply to /u/Goat_im_Himmel\n\nIn short, the situation at the end of WW2 led to enmity that was diffused mostly due to US interference and pressure on the Dutch to settle with the Indonesian revolutionary government. At the same time, the Dutch ... | [] | [] | [
[]
] | |
82g7lw | what makes a belly button an “inny” vs an “outie” | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/82g7lw/eli5_what_makes_a_belly_button_an_inny_vs_an_outie/ | {
"a_id": [
"dv9t5bt",
"dva6g5t",
"dva8hj1",
"dva9463",
"dvaeypv",
"dvazcfl",
"dvb011d",
"dvb4byk",
"dvbbq7q"
],
"score": [
3019,
40,
212,
41,
152,
2,
5,
2,
2
],
"text": [
"Scar tissue development. \"Inny\" and \"Outie\" belly buttons... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | ||
3e74mb | Can facebook-, gmail-, microsoft-, etc. accounts really be hacked? | This is all assuming the victim does not make mistakes by going on phishing links, download keyloggers, have a insecure email etc..
What im getting at is can say, a facebook account of someone be hacked without actually infecting that somebody's computer with some sort of spyware or comming in contact with that somebo... | askscience | http://www.reddit.com/r/askscience/comments/3e74mb/can_facebook_gmail_microsoft_etc_accounts_really/ | {
"a_id": [
"ctd7dk0"
],
"score": [
5
],
"text": [
"There is no magical way to \"hack\" any computer system. It is always based on some kind of weakness, either in the way the system was developed or in the way that the user uses the system.\n\nStaying within your conditions where the user has not... | [] | [] | [
[
"https://explainxkcd.com/wiki/index.php/792:_Password_Reuse"
]
] | |
4uniq3 | led dimmers vs incandescent dimmers, what's the difference? | Tried reading about it, but with zero electrical knowledge I couldn't grasp why LED lights require expensive dimmers designed for them. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4uniq3/led_dimmers_vs_incandescent_dimmers_whats_the/ | {
"a_id": [
"d5racs3",
"d5rhgpe",
"d5rqf0l"
],
"score": [
2,
2,
2
],
"text": [
"Incandescent bulbs can be made to suit different voltages just by changing the size / geometry of the filament. So a torch bulb looks similar to a mains bulb, it's just smaller. And incandescent bulbs a... | [] | [] | [
[],
[],
[]
] |
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