q_id stringlengths 5 6 | title stringlengths 3 301 | selftext stringlengths 0 39.2k | document stringclasses 1
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6bhwj7 | why are radio waves preferred for long distance communication? | From my understanding, most communication sources from Wifi to long distance radio uses radio what. What properties of radio waves make them suitable? It you can link a more technical explanation, that'd also he great! (AskScience never accepts my question, but I'm also looking for a somewhat technical explanation) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6bhwj7/eli5_why_are_radio_waves_preferred_for_long/ | {
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"text": [
"Nice properties of radio waves:\n\n1) The go through walls, unless they are made of metal.\n\n2) They are bent by the upper layers of the atmosphere, so a radio message can go from... | [] | [] | [
[],
[],
[],
[]
] | |
4v9hrp | Why will an outside observer never see someone cross the event horizon of a black hole? | askscience | https://www.reddit.com/r/askscience/comments/4v9hrp/why_will_an_outside_observer_never_see_someone/ | {
"a_id": [
"d5ww38j",
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"score": [
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5
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"text": [
"Because you see things by receiving the light they emit that then travels from them to you. Any light emitted by the object inside the event horizon cannot reach you because it cannot get out. All light you'll ever receive ... | [] | [] | [
[],
[]
] | ||
170k1e | why do current comedy t.v shows, like 2-1/2 men, still use background audience laughter | I don't understand why they have to use it after every joke made on these shows. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/170k1e/eli5_why_do_current_comedy_tv_shows_like_212_men/ | {
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"c812rha",
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"text": [
"Because audiences are used to it.\n\nTV shows were largely adapted from stage performances, where the performers had to account for audience reaction. When those same viewers watc... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Mirror_neuron"
],
[],
[]
] | |
15dqa5 | Are food related allergies amongst children rising, or are we just getting better at diagnosing now? | I grew up in the 90s, and as far as I can remember, there was only two or three kids in the school with food allergies. I work at a daycare now, and a lot of our kids (about nine or so) have some form of food allergy (peanut, tree nut, and gluten are the most common). Is there a reason that food allergies are on the r... | askscience | http://www.reddit.com/r/askscience/comments/15dqa5/are_food_related_allergies_amongst_children/ | {
"a_id": [
"c7lpwca",
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"text": [
"Increased hygiene and use of antibiotics reduce the diversity of the microorganisms living in and on us (human microbiome).\n\nIt is *very likely* that we develop more allergies because of this (at least compared to, say, 18... | [] | [] | [
[],
[
"http://www.jacionline.org/article/S0091-6749%2808%2900778-1/fulltext"
]
] | |
2lqao7 | what is the difference between a soft taco and a burrito? | Seriously, if you use a tortilla isn't it a burrito? Why does something wrapped in a tortilla sometimes get called a soft taco? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2lqao7/eli5what_is_the_difference_between_a_soft_taco/ | {
"a_id": [
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"text": [
"a soft taco is open like a hard taco, a burrito is wrapped, and usually has a sauce of some sort on top of it.",
"it really depends on if you wrap it up entirely or not. if you leave it open, it's ... | [] | [] | [
[],
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] | |
1wx9p2 | How efficient are drinking fountains? | How much water do they dispense in relation to how much is consumed?
Are there more efficient designs? | askscience | http://www.reddit.com/r/askscience/comments/1wx9p2/how_efficient_are_drinking_fountains/ | {
"a_id": [
"cf6pnf4"
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"score": [
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"text": [
"There is a balance between efficient and sanitary and ergonomic. A drinking fountain can be really efficient if you had to lock lips with it. But I wouldn't want to be the second person in line. Definitely not the 100th person. \n\nA drinking fo... | [] | [] | [
[]
] | |
u3rme | How come only wet hair can stick to the shower wall? And when it dries up, it doesn't fall off? | I can't make dry hair stick to the wall like I can wet hair. How come wet hair sticks to the wall? And how come when that wet hair turns to dry hair, it doesn't fall off? | askscience | http://www.reddit.com/r/askscience/comments/u3rme/how_come_only_wet_hair_can_stick_to_the_shower/ | {
"a_id": [
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"text": [
"I'll answer this question in two parts:\nFirstly water has high surface tension, when something is forcing to it spread out (the hair in this case) it will want to bind to a surface, in this instance the wall.\nTo answer your second question; yo... | [] | [] | [
[]
] | |
ki9sq | what does "creative destruction" mean (economics)? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/ki9sq/eli5_what_does_creative_destruction_mean_economics/ | {
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"score": [
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"text": [
"When Apple started selling the iPhone, everyone bought one and said: \"Hey, this is awesome! It does so much more, and looks so much better, than my Blackberry.\" Everyone was happ... | [] | [] | [
[],
[],
[],
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] | ||
3mk95x | if the world trade centers were destroyed by the government what would be the benifit? | There is a lot of conspiracies surrounding this but if it was plotted by the government what would they stand to gain? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3mk95x/eli5if_the_world_trade_centers_were_destroyed_by/ | {
"a_id": [
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"score": [
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"text": [
"THEORETICALLY: It would cause a public uproar that would lead to a uniting of patriotism and a outcry for war. War means a lot of money for a lot of businesses, and up to a point, increases favor and confidence in the government who is responding... | [] | [] | [
[]
] | |
9dt3rc | how does chromatography work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9dt3rc/eli5_how_does_chromatography_work/ | {
"a_id": [
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"text": [
"You pass a mixture through a column which is made of some sort of medium. The parts of the mixture which are attracted to the medium will go through at a slower rate. The parts that don't like the medium will speed through. When the mixture co... | [] | [] | [
[]
] | ||
vhw3f | How much does the centrifugal force of the earth affect between the equator and the north/south pole when you jump. | I came across this question today - if you jump in the equator and in the north/south pole, how much is your jump affected by the force of the earth spinning around?
| askscience | http://www.reddit.com/r/askscience/comments/vhw3f/how_much_does_the_centrifugal_force_of_the_earth/ | {
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"text": [
"At the equator the centrifugal acceleration term is 0.03392 m/s^2 . At either pole it's 0. On the other hand, the gravitational acceleration term varies by only 0.6% from the pole ... | [] | [] | [
[],
[],
[],
[]
] | |
gi6jl | Why isn't the Oort Cloud belt-shaped? | I realize it's at the edge of the Sun's gravitational influence, but it's clearly still gravitationally bound, and as such should form a disk or belt like the Kuiper belt. | askscience | http://www.reddit.com/r/askscience/comments/gi6jl/why_isnt_the_oort_cloud_beltshaped/ | {
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"score": [
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"text": [
"I am no expert on [angular momentum](_URL_0_) and more importantly, the [conservation of angular momentum](_URL_0_#Conservation_of_angular_momentum) but it would seem logical that ... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Angular_momentum",
"http://en.wikipedia.org/wiki/Angular_momentum#Conservation_of_angular_momentum"
],
[
"http://en.wikipedia.org/wiki/Oort_cloud#Note",
"http://en.wikipedia.org/wiki/Kuiper_belt",
"http://en.wikipedia.org/wiki/Oort_cloud#Origin"
],
[],
[... | |
3cn60j | why can't you be paralyzed from only the waist up? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3cn60j/eli5_why_cant_you_be_paralyzed_from_only_the/ | {
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"text": [
"You're paralyzed based on where the nerve is severed on the spine. Basically, everything below that spot is paralyzed. It doesn't work the opposite way.",
"The nerves go do... | [] | [] | [
[],
[],
[],
[]
] | ||
32pzoc | Is there any scientific basis in the adage "Opposites attract"? | It's a phrase people often use when taking about love and such, and while I doubt that there's really any information on this, it was a thought that crossed my mind so I figured I'd give it a shot | askscience | http://www.reddit.com/r/askscience/comments/32pzoc/is_there_any_scientific_basis_in_the_adage/ | {
"a_id": [
"cqdvp44"
],
"score": [
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"text": [
"There is evidence, but it's to the contrary. [Assortative mating](_URL_1_), where individuals mate more with those that share traits (geno- or phenotypic) than those who don't. See also, [homophily](_URL_0_).\n\nThe one big exception is sex/gende... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Homophily",
"http://en.wikipedia.org/wiki/Assortative_mating"
]
] | |
gd0le | X-ray Diffraction with Lasers | Would an x-ray diffraction pattern change if you used in phase x-rays, such as from a laser, instead of traditional light sources? If it does, could you use this to gain additional information in estimating phases for crystal structure analysis?
I tried to think about how assumptions in Bragg's law might be affected, ... | askscience | http://www.reddit.com/r/askscience/comments/gd0le/xray_diffraction_with_lasers/ | {
"a_id": [
"c1moadd"
],
"score": [
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],
"text": [
"Yes coherent x-ray sources such as free electron lasers (like the LCLS at SLAC) are able to resolve much greater detail in the fine structure around Bragg peaks. The most useful way to consider the information content of this finely detailed low ... | [] | [] | [
[]
] | |
4o5pz8 | why is organic food called 'organic'? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4o5pz8/eli5_why_is_organic_food_called_organic/ | {
"a_id": [
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"score": [
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"text": [
"The word stems from a 1940 book suggesting that the whole farm is a living organism. [Details.](_URL_0_)\n\nThis is as opposed to an industrial and synthetic-chemical-based approach to farming, which treats the farm more like a factory or a machi... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Organic_food#Meaning_and_origin_of_the_term"
]
] | ||
534ke6 | why do musicians and bodyguards use that hollow earpiece from the neck to ear instead of just regular earpiece? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/534ke6/eli5_why_do_musicians_and_bodyguards_use_that/ | {
"a_id": [
"d7pxdkk"
],
"score": [
3
],
"text": [
"Musicians often wear a custom molded ear piece that both offers hearing protection and plays music into their ear so they get feedback of the music or singing. A lot of old rockers have significant hearing loss because they didn't wear hearing pr... | [] | [] | [
[
"http://www.walkieclip.com/ProdImages/img-block-1_3.png"
]
] | ||
6dfaqo | if oil is hydrophobic, then why are you supposed to apply body oil when your skin is damp? wouldn't absorption rates increase if your skin was dry? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6dfaqo/eli5_if_oil_is_hydrophobic_then_why_are_you/ | {
"a_id": [
"di287q3"
],
"score": [
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],
"text": [
"It's more to prevent moisture from leaving your body while it is warm and your pores are open. You don't really absorb the body lotion, it sits on top of the skin and helps prevent dryness.\n\nAlso, they are formulated to help blend in with the ... | [] | [] | [
[]
] | |
w6nne | What is the status of Germany's WWII debt? | I heard bits and pieces of an NPR segment regarding Germany bailing out other European countries. It was discussed that Germany never paid their WWII debt in full, which helped them get back on their feet quicker economically. Is there any truth to this? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/w6nne/what_is_the_status_of_germanys_wwii_debt/ | {
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"score": [
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"text": [
"Disclaimer: I'm no expert on this and I'm not sure what exactly is meant by \"Germany's WWII debt\". I think this is about the pre-war German debts. Germany defaulted on a lot of debt (15 billion Mark... | [] | [] | [
[],
[
"http://www.neomagazine.com/2011_11_november/18a.html"
],
[
"http://en.wikipedia.org/wiki/Industrial_plans_for_Germany#Reparations_and_exploitation"
]
] | |
9iyxk7 | why is cosby's sentence 3-10 years? why isn't it a definitive number? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9iyxk7/eli5_why_is_cosbys_sentence_310_years_why_isnt_it/ | {
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"text": [
"I've never seen an actual sentence carry a range like that. Ordinarily, sentences are indeed definite numbers of years or months and each particular crime will carry a sentence ra... | [] | [] | [
[],
[],
[],
[]
] | ||
22cqbw | How long did it take for messages to be delivered on the medieval age? | For example, when Jerusalem fell, how long did it take for the Christians on the other side of the world (ej: London or Paris) to know? Since it was a primitive way of sending messages. (Sorry for my english, still haven't perfected it). | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/22cqbw/how_long_did_it_take_for_messages_to_be_delivered/ | {
"a_id": [
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"text": [
"I'm sorry, but according to reddit there's one comment, however I can't see it. Is it hidden or has it been removed?",
"Please don't say primitive. That's derogatory. An essential part of life for... | [] | [] | [
[],
[],
[
"http://orbis.stanford.edu/"
]
] | |
2yskf2 | Why can some animals (like rats for example) be inbred with no problems but when humans do it we get all, sorts of problems? | Just wondering, really. | askscience | http://www.reddit.com/r/askscience/comments/2yskf2/why_can_some_animals_like_rats_for_example_be/ | {
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"text": [
"While I dont know for sure but I believe even in humans, it takes a few generations before the chance of something happening is big enough for something to ha... | [] | [] | [
[],
[],
[],
[],
[]
] | |
1mera8 | Do we know what Georgy Zhukov's thought of the other best-remembered generals from WWII? | Does any correspondence, public statements, or the like still exist on this topic? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1mera8/do_we_know_what_georgy_zhukovs_thought_of_the/ | {
"a_id": [
"cc8j0om"
],
"score": [
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],
"text": [
"Hmmm... seems topical for me...\n\nIn my readings, I haven't come across too many direct statements from Georgy on his thoughts as to the military prowess of his Western counterparts. What little there is, he was mostly praising, but that is to ... | [] | [] | [
[]
] | |
39z9vn | if bernie sanders' political positions reflect what americans think, why is he such an underdog for the presidency? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/39z9vn/eli5_if_bernie_sanders_political_positions/ | {
"a_id": [
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"score": [
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"text": [
"Many Americans share the same *ideals*, such as low-cost college, affordable healthcare, expanded social security. But Sanders position is extremely deficient in ways to *pay* for this that would be agreeable to all but a ve... | [] | [] | [
[],
[]
] | ||
650u6g | why do humans not sneeze in high pressure situations, such as sports? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/650u6g/eli5_why_do_humans_not_sneeze_in_high_pressure/ | {
"a_id": [
"dg6iz2y"
],
"score": [
3
],
"text": [
"I used to play on a sports team. I sneezed back then. Your premise is incorrect. Can you offer more information, such as where you got this idea?\n\nUpdate: I just sneezed at work, despite being under a lot of pressure from my boss. "
]
} | [] | [] | [
[]
] | |
29zdx6 | 18th-century battle formations | In movies and reenactments of the American War of Independence, soldiers are seen standing shoulder-to-shoulder in long rows facing the enemy. If I were designing a battle formation that would make it as easy as possible for my troops to get shot, that is the one I would pick.
* Was this really a typical formation?
* ... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/29zdx6/18thcentury_battle_formations/ | {
"a_id": [
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"text": [
"I think it's best that I have a master post for me to reference for this.\n\nFirst, I'll address your criticism of the formation. The Charleville Model 1777 (which was used by Americans due to French supply) had a generally ... | [] | [] | [
[],
[
"http://www.medievalwarfare.info/pics/arquebus_02.jpg"
]
] | |
nofun | Shisha vs. Cigarettes and the nicotine | Hi, this question has been on my mind for quite some time. The nicotine levels in Shisha is much higher than that of a cigarette. I know shisha CAN be addictive, but it seems like the addiction rate is much lower than cigarettes. Is there something else added in the cigarette that makes it more addictive and not just t... | askscience | http://www.reddit.com/r/askscience/comments/nofun/shisha_vs_cigarettes_and_the_nicotine/ | {
"a_id": [
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],
"score": [
2,
5,
2,
2,
2,
5,
2,
2
],
"text": [
"Forgive my ignorance, but is there anyway to smoke Shisha without some sort of device (tradi... | [] | [] | [
[],
[
"http://www.ncbi.nlm.nih.gov/pubmed/3936581",
"http://www.biomedcentral.com/1471-2458/8/174",
"http://www.ncbi.nlm.nih.gov/pubmed/7091464",
"http://www.google.co.uk/search?q=carboxyhaemoglobin+shisha+smokers&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=fir... | |
2j9ugy | How many times has Russia been invaded in winter? Why? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2j9ugy/how_many_times_has_russia_been_invaded_in_winter/ | {
"a_id": [
"cl9x3lr"
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],
"text": [
"It's not that armies set off for Russia in the dead of winter, rather invasion plans that centered on quick defeat were never realized and armies became bogged down as winter set in. Napoleon and Hitler launched their campaigns in June, but of ... | [] | [] | [
[]
] | ||
3kkw83 | Who was the first painter to manage a photorealistic style? | I just saw a twelfth century painting and thought about how much it was of it's time: _URL_0_
But who was the first known painter whose paintings went beyond the sort of cartoonish look that even the best were producing back then to produce something that looked like it had almost the quality of a photo? The earliest o... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3kkw83/who_was_the_first_painter_to_manage_a/ | {
"a_id": [
"cuyblqn",
"cuyhris"
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"score": [
5,
2
],
"text": [
"Buonarroti was probably the most consistent and most photo realistic. His sculptures were probably also the most realistic. But the Greeks were generally the first to accurately depict the human representation. Unfortunately... | [] | [
"https://upload.wikimedia.org/wikipedia/commons/6/69/Transfiguration_of_Christ_Icon_Sinai_12th_century.jpg"
] | [
[],
[]
] | |
3cwsey | why a company like nestlè can take water out of a state/province for $2.25 per million litres, only to sell it back at a profit. who is letting this happen? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3cwsey/eli5_why_a_company_like_nestlè_can_take_water_out/ | {
"a_id": [
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"cszvqcl",
"cszvrd8",
"cszx9h2",
"cszxayw",
"cszy6j7",
"cszznru",
"c... | [] | [] | [
[],
[],
[],
[],
[],
[
"http://www.bottledlifefilm.com/index.php/the-story.html"
],
[],
[],
[],
[
"http://publications.gc.ca/Collection-R/LoPBdP/BP/prb0041-e.htm",
"https://en.wikipedia.org/wiki/Water_export"
],
[],
[
"http://www.scribd.com/"
],
[],
[],
[],
[],
[... | ||
binkxl | why do songs sometimes sound at a different pitch when the volume is low? | This can happen even with very famous songs, or songs that you know very well. As a musician, I feel confident to know the pitch of those songs I know well yet when the volume is too low I can’t make out the exact pitch for 1-2 minutes. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/binkxl/eli5_why_do_songs_sometimes_sound_at_a_different/ | {
"a_id": [
"em1r21t"
],
"score": [
10
],
"text": [
"Something harmonically important is not loud enough to establish the tonal center. Likely the bass. Without the bass notes (the chord roots), the tonal center can easily become ambiguous. Sometimes the remaining musical parts, such as guitar, pi... | [] | [] | [
[]
] | |
27rvor | the simulation theory. | All the reading I have done so far has been laden with technical terms, I just want to wrap my head around the basic theory and any evidence that has been found to support it. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/27rvor/eli5the_simulation_theory/ | {
"a_id": [
"ci3rg4k",
"ci3s2so"
],
"score": [
9,
3
],
"text": [
"Well, really simply explained The Simulation Theory states that we (as in the whole universe) is just a simulation in someone’s supercomputer, like the Sims or the Matrix. The idea is that somewhere outside this supercompute... | [] | [] | [
[],
[]
] | |
44j34u | why can't some, but not all, people with spinal cord injuries walk? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/44j34u/eli5why_cant_some_but_not_all_people_with_spinal/ | {
"a_id": [
"czqjjfh"
],
"score": [
3
],
"text": [
"The New Yorker did a pretty good article recently on spinal injuries [here.](_URL_0_)\n\nTL;DR: It depends where the injury occurs, generally the higher the injury, the more severe. That's why if you \"break your neck\" it's usually going to para... | [] | [] | [
[
"http://www.newyorker.com/magazine/2016/01/25/one-small-step-annals-of-medicine-d-t-max"
]
] | ||
4ncv90 | Is there any detailed map of Roman roads? I am interested in Roman roads in Croatia. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4ncv90/is_there_any_detailed_map_of_roman_roads_i_am/ | {
"a_id": [
"d42x62k",
"d436cix",
"d43gjr9"
],
"score": [
22,
12,
4
],
"text": [
"Please allow me to recommend this... _URL_0_\n\n",
"In addation to the awesome map /u/PaulAJK has, [this] (_URL_1_) map is zoomable. If you don't want ads for it, use [this one which is the same.]... | [] | [] | [
[
"http://orbis.stanford.edu/via/"
],
[
"http://i.imgur.com/lHoCQtt.jpg",
"http://www.ancient.eu/map_pelagios/",
"http://pelagios.org/maps/greco-roman/"
],
[
"http://dare.ht.lu.se/"
]
] | ||
eyntiv | Is there a point at which eating will not stop you starving to death? | Is there a "point of no return" that when passed, the human body is no longer able to digest food properly and you will still starve? | askscience | https://www.reddit.com/r/askscience/comments/eyntiv/is_there_a_point_at_which_eating_will_not_stop/ | {
"a_id": [
"fgiyp8c",
"fgjb5a0"
],
"score": [
503,
146
],
"text": [
"Yes, particularly if you are being intentional and specific about the word \"eating\" The result can be what's called refeeding syndrome\n\n ( [_URL_0_](_URL_0_) ) where your body is unable to process or absorb nutrients... | [] | [] | [
[
"https://www.medicalnewstoday.com/articles/322120.php",
"https://www.sciencedirect.com/topics/medicine-and-dentistry/starvation"
],
[
"https://en.wikipedia.org/wiki/Protein_poisoning"
]
] | |
7187fg | Sources on how gunpowder/pike units functioned in 16th century and on, especially 30 Years' War, Tercios, Etc | Crammed a lot into the title there.
Basically I've Googled around and I can find a lot of images and descriptions but nothing about how these square formations actually operated. The battle set up is pretty basic all around. Infantry in the middle, cavalry on the wings. And then cannons.
I can't find anything that... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7187fg/sources_on_how_gunpowderpike_units_functioned_in/ | {
"a_id": [
"dn93emd",
"dn97o4w"
],
"score": [
6,
7
],
"text": [
"I can direct you to our own expert /u/itsalrightwithme and especially his [flaired user page](_URL_12_) which has plenty of resources.\n\nhe already answered several of question relating to your question like:\n > \n* [How d... | [] | [] | [
[
"https://myarmoury.com/feature_mow_charlesv.html",
"http://www.investigationsofadog.co.uk/2012/08/21/cavalry-tactics-the-caracole/",
"https://www.reddit.com/r/AskHistorians/comments/4crhv5/16th_century_european_warfare_what_did_it_look/d1lssu1",
"http://clanntartan.sitesneakpeek.com/manual/a%20sol... | |
xi6a9 | How much water does a body absorb when showering? | 1. how does the temperature of the water affect absorption?
2. how much weight does an average person gain by showering, assuming they don't urinate? | askscience | http://www.reddit.com/r/askscience/comments/xi6a9/how_much_water_does_a_body_absorb_when_showering/ | {
"a_id": [
"c5mk0n4",
"c5mnxdo"
],
"score": [
28,
7
],
"text": [
"None. The epidermis is water proof. If it wasn't it'd allow ions to be leached from your body and bacteria in.",
"Follow up question: Do you *lose* water from your body via sweat when you take a really hot shower?"
]
... | [] | [] | [
[],
[]
] | |
2wu1en | why do local commercials appear to always have something go wrong with them while big corporation commercials don't? | By local, I mean the commercials shot for like a carpet store that have very little money put into them. They have issues like audio going out of sync or being cut early by the next commercial. The ones for Mcdonals or CocaCola almost never have this problem. Why? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2wu1en/eli5why_do_local_commercials_appear_to_always/ | {
"a_id": [
"cou4bd9",
"cou51lt",
"cou8vpl"
],
"score": [
4,
4,
2
],
"text": [
"It takes money to make things look perfect. Most of the local businesses buy commercial air-time and the local broadcasting does the filming and editing. \n\nPrime example, my boss (local business owner... | [] | [] | [
[],
[],
[]
] | |
4k77mt | why do you insist on seeing people suffer? dares, pranks, jackass movies.. why do we love seeing people do difficult and painful tasks? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4k77mt/elif_why_do_you_insist_on_seeing_people_suffer/ | {
"a_id": [
"d3crfi4"
],
"score": [
2
],
"text": [
"May not be the actual answer, just thought about it for a bit.\n\nWe don't like to see other people suffer. Would you go to a 3rd world country and laugh at every starving kid you see? Would you kick a physically-handicapped old man? Would you sh... | [] | [] | [
[]
] | ||
g27971 | why is it recommended that we wait a little bit after turning something off to turn it back on? | Also why can we restart PCs since this contradicts this recommendation? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/g27971/eli5_why_is_it_recommended_that_we_wait_a_little/ | {
"a_id": [
"fnjvtjj",
"fnjwy23",
"fnk79ln",
"fnk96rn",
"fnkh0yl"
],
"score": [
2,
100,
7,
4,
2
],
"text": [
"When you restart a pc it doesn't immediately turn back on again. The waiting is to let lingering electricity dissipate.",
"Most electronics contain capa... | [] | [] | [
[],
[],
[],
[],
[]
] | |
24hiqy | how come people like bruce lee have such a small body, but are incredibly strong when athletes bigger than them are weaker even though they work out consistently? | Does the size of your muscles have anything to do with genes? I know DNA sets the baseline muscle size and strength, but how does that affect the size of the muscles, and how big they can get? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/24hiqy/eli5_how_come_people_like_bruce_lee_have_such_a/ | {
"a_id": [
"ch76sw8",
"ch77djt"
],
"score": [
2,
5
],
"text": [
"To begin with, there aren't many athletes like Bruce Lee! He was an outlier. ",
"Muscle size and muscle strength have a bit of an odd relationship. Bodybuilders, for example, aren't terribly strong despite being literall... | [] | [] | [
[],
[]
] | |
ynrqf | what motivation to hackers/pirates have to share pirated media with the masses? | Is there some financial gain? Just cred? Genuine good will towards others?
It's gotta be difficult to find/make pirated material are probably even more difficult to set up the logistics to spread it (e.g. actually make the torrent, host it on a site, etc). Why don't the people who originally get the content just keep... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/ynrqf/eli5_what_motivation_to_hackerspirates_have_to/ | {
"a_id": [
"c5x88jy",
"c5x968m",
"c5xa3uk",
"c5xn5id"
],
"score": [
3,
6,
5,
2
],
"text": [
"As someone who's pirated over 30 gigs of comic books, I've often wondered this myself. ",
"They are smart enough to realize that if everyone leeches but no one seeds, there won... | [] | [] | [
[],
[],
[],
[]
] | |
4ezwib | how do space shuttle engines work in space if there is no atmosphere to push against? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4ezwib/eli5how_do_space_shuttle_engines_work_in_space_if/ | {
"a_id": [
"d24rzr5",
"d24s1kd",
"d24s1t5",
"d24s29g",
"d24wz0a",
"d24ytf5"
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"score": [
7,
4,
2,
2,
2,
2
],
"text": [
" > III. For every action there is an equal and opposite reaction.\n\nNewton really nailed this one. Grab a 10 pound bowling ball, a ba... | [] | [] | [
[],
[
"https://m.youtube.com/watch?v=X4iMeKif488"
],
[
"https://cdn.theatlantic.com/assets/media/files/saturn_v_fuel_consumption_in_elephants_-_imgur.gif"
],
[],
[],
[]
] | ||
1kazwp | will cash ever become abolished in favor of debit/credit cards? | I know there's no way to know for sure, but I'm wondering if it's likely cash will become obsolete at some point because of [benefits of technology X] or countries will likely always have hard cash being printed because of [thing that would go horribly wrong if there was no hard cash being printed Y]. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1kazwp/eli5_will_cash_ever_become_abolished_in_favor_of/ | {
"a_id": [
"cbn3vzk",
"cbn3w8p"
],
"score": [
3,
2
],
"text": [
"Countries will have hard cash for the forseeable future. The black market runs on cash. Cash also works when the power is out / when there's no internet signal.",
"I doubt it will ever go away completely. It's too conv... | [] | [] | [
[],
[]
] | |
31pw2t | how do you best explain 4d to someone in a 3d world? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/31pw2t/eli5_how_do_you_best_explain_4d_to_someone_in_a/ | {
"a_id": [
"cq3utnl",
"cq3vyzu"
],
"score": [
2,
4
],
"text": [
"Draw a line perpendicular to all three axis we currently use to view the world.",
"We are 3D creatures. Our shadows are 2D.\n\nAn n-dimension casts an n-1 dimension shadow.\n\nThink about what could create a 3D shadow."
... | [] | [] | [
[],
[]
] | ||
c18ldh | why dont speakers make the characteristic intereference sound anymore when there is an incoming call? | _URL_0_
This is the sound I am describing. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/c18ldh/eli5_why_dont_speakers_make_the_characteristic/ | {
"a_id": [
"erbmiwv"
],
"score": [
2
],
"text": [
"Ha yes, I remember that. You used to be able to hear that even before the phone rang.\n\nThe reason why it happened is a bit too complicated for me, but the reason why it doesn't happen anymore is that we don't (or barely) use 2G (GSM) networks a... | [] | [
"https://www.youtube.com/watch?v=23rdefO4gBU"
] | [
[]
] | |
9hq3r1 | What was the dating scene like for American women during WWII? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/9hq3r1/what_was_the_dating_scene_like_for_american_women/ | {
"a_id": [
"e6fqb4r"
],
"score": [
28
],
"text": [
"For a large proportion of women, dating simply ... stopped. Their boyfriends or fiancés were overseas - instead of being taken out to movies or dinner, they wrote letters and waited for possible furloughs. Single college students usually had to ... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/7anfdx/what_did_guys_do_to_express_interest_in_women/dpbhtzi/"
]
] | ||
40ruv9 | Where can I read more scholarly sources on Hawaiian "shark myths"? | In keeping with the weekly theme, I've been doing some light Internet reading on Hawaiian sea-mythology and came across some information regarding sharks in native culture and mythology. Is anyone here able to speak more on it, or at least direct me to academic reading? Thanks! | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/40ruv9/where_can_i_read_more_scholarly_sources_on/ | {
"a_id": [
"cywxld8"
],
"score": [
2
],
"text": [
"Try [here.](_URL_1_) That's a link to the UH School of Hawaiian Knowledge's Knowledge Well database.\n\nI haven't used this site before, but the University of Hawaii is really trying to cultivate their Hawaiian Studies programs, and that looks li... | [] | [] | [
[
"http://manoa.hawaii.edu/hshk/",
"http://cdm16093.contentdm.oclc.org/"
]
] | |
2zejt4 | We're constantly showered with radio waves. What prevents us from harnessing them and converting them into usable electrical energy? | askscience | http://www.reddit.com/r/askscience/comments/2zejt4/were_constantly_showered_with_radio_waves_what/ | {
"a_id": [
"cpj22xl"
],
"score": [
4
],
"text": [
"Simply put: ambient radio waves have very little energy compared to ambient visible light. Per photon, visible light has thousands to millions times more energy than radio waves. Also, the sun produces a lot more visible light than radio waves. I... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Radio-frequency_identification"
]
] | ||
wmchx | Why do guns kill people so quickly (or are movies lying to me?) | First question: does getting shot kill you as quickly as it does in the movies?
Second question: Biologically - why? I can understand getting shot in the head, but anything in your torso isn't immediately necessary for life in the next few seconds. I can understand dying from damaging major organs, but it seems like... | askscience | http://www.reddit.com/r/askscience/comments/wmchx/why_do_guns_kill_people_so_quickly_or_are_movies/ | {
"a_id": [
"c5epm0u",
"c5eq1tf"
],
"score": [
4,
3
],
"text": [
"Movies are lying to you. As you suspected, gunshot wounds are very rarely instantly fatal. A shot to the abdomen or chest is often not even incapacitating for some time. \n\nAnecdotal, but relevant: my grandfather was sh... | [] | [] | [
[],
[]
] | |
2ncrlo | why do most of the tv series that use apple (or something else) as their primary technology change the os or make it look fake? | For example in Californication they clearly mentioned iPhone multiple times, but when they showed the lock screen of it, it was definitely fake (multiple widgets missing). Also the main character used a non-Apple computer which had OSX, when he was in a Skype-call there was the watermark but the time stamp changed all ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ncrlo/eli5_why_do_most_of_the_tv_series_that_use_apple/ | {
"a_id": [
"cmcg41r",
"cmcgoy7",
"cmcgwgv"
],
"score": [
3,
2,
2
],
"text": [
"It's similar to how they blur out logos on reality shows, they don't want to alienate potential advertisers. If they just show off an iPhone in their show, Samsung is not going to want to associate with... | [] | [] | [
[],
[],
[]
] | |
3pwp1c | Is the universe older in different places due to time dilation? | askscience | https://www.reddit.com/r/askscience/comments/3pwp1c/is_the_universe_older_in_different_places_due_to/ | {
"a_id": [
"cwa4vix"
],
"score": [
3
],
"text": [
"No, there's no time dilation between observers at a different place at the same cosmological time.\n\nWe do however observe time dilation with light from distant galaxies because the scale factor has changed in the time it took the light to trave... | [] | [] | [
[]
] | ||
62vzdj | How did Japan go about bringing electricity to its cities and towns? Did they hire westerners to teach them how to use it in order to make their own companies? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/62vzdj/how_did_japan_go_about_bringing_electricity_to/ | {
"a_id": [
"dfpj0jk"
],
"score": [
5
],
"text": [
"After the Bakumatsu and the end of the Tokugawa Shogunate in 1867, the Meiji government came into power. From 1868 to 1912, was the Meiji Restoration, where the old emperor was given back power and Japan became the first Asian power to adopt the... | [] | [] | [
[]
] | ||
brqi1n | why do remote controls use infrared light instead of other wavelengths? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/brqi1n/eli5_why_do_remote_controls_use_infrared_light/ | {
"a_id": [
"eofqlgi",
"eofqpwr",
"eofqrcu",
"eofqvb7",
"eofvirw",
"eofwi5q",
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],
"score": [
378,
10,
49,
9,
4,
2,
2
],
"text": [
"Very low wavelength bands are already occupied by radios and microwaves and have a lot of noise.\n\nVisible li... | [] | [] | [
[],
[],
[],
[],
[],
[],
[
"https://www.reddit.com/r/explainlikeimfive/comments/brqi1n/eli5_why_do_remote_controls_use_infrared_light/eofqlgi/"
]
] | ||
6m1r5v | why do some dead leaves tend to turn brown and others yellow/red/orange? what causes the difference in colours when they are dead if they were all green while on a tree? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6m1r5v/eli5_why_do_some_dead_leaves_tend_to_turn_brown/ | {
"a_id": [
"djy802y"
],
"score": [
2
],
"text": [
"Chlorophyll is the reason they are green. When fall hits, the change in temperatures and decline in sun exposure causes leaves to break down the chlorophyll. Depending on the type of tree and chemical reactions you get different colors. \nThis is... | [] | [] | [
[]
] | ||
8yn3nc | What was the role of slaves in early medieval Ireland? | References to slavery and the enslaved come up often enough in legal tracts and the literary body, but it's never been clear exactly what their place was. Looking at the numbers of slave each king is owed according to this tract: [_URL_0_](_URL_0_) under "The Rights of the King of Tara" the numbers aren't all that larg... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/8yn3nc/what_was_the_role_of_slaves_in_early_medieval/ | {
"a_id": [
"e2de7yf"
],
"score": [
5
],
"text": [
"Slaves would have performed the most menial agricultural labour depending on their gender - a male slave called a *mug* would have tended to livestock (in the case of Saint Patrick, for instance) and chopped wood while a female slave called a *cu... | [] | [
"https://celt.ucc.ie/published/T102900/index.html"
] | [
[]
] | |
63w0dz | how do farmers milk almonds? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/63w0dz/eli5_how_do_farmers_milk_almonds/ | {
"a_id": [
"dfxffak",
"dfxfruh"
],
"score": [
2,
2
],
"text": [
"Almond milk is not actual milk. It is made by soaking almonds in water, then rinsing them and blending and grinding them well with water. Then the almond meal is filtered out and usually the remaining \"milk\" is sweetened s... | [] | [] | [
[],
[]
] | ||
5dqphw | How did the Byzantines/Eastern Roman Empire lose the Battle of Yarmouk? | I've always had a hard time wrapping my head around this, mainly because the common answer I always get is that Khalid al-Walid was a tactical genius...but even then, how can a tactical genius with 20k to 40k men defeat an army 140k deep from THE superpower of that era...and its not like the Romans didn't have experien... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5dqphw/how_did_the_byzantineseastern_roman_empire_lose/ | {
"a_id": [
"da6tthl"
],
"score": [
20
],
"text": [
"An important thing to remember here is that these numbers are not accurate reflections of what actually happened. Modern historians of the Arab conquests are reluctant to believe the figures presented by the sources, the vast majority of which w... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/3tyehr/what_main_factors_led_to_islam_spreading_rapidly/"
]
] | |
3077lp | How were alloys such as bronze (which require extremely high temperatures) made by neolithic civilizations? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3077lp/how_were_alloys_such_as_bronze_which_require/ | {
"a_id": [
"cppvhk2"
],
"score": [
15
],
"text": [
"You're interested in the technological changes that marked the change from one culture to another? These kind of questions intrigue me too and also interested European archaeologists from the 19th C on.\n\nThe broad brush picture they paint is o... | [] | [] | [
[]
] | ||
47gbjx | When did the Continental/US navy start to build Man o' Wars and Ships of the Lines? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/47gbjx/when_did_the_continentalus_navy_start_to_build/ | {
"a_id": [
"d0ctb05"
],
"score": [
7
],
"text": [
"In 1776, when the Continental Congress authorized the construction of three ships of the line. However, only one ship was completed - the _America_ - and construction was delayed so much she was only in service by 1783, upon which she was transfe... | [] | [] | [
[
"http://www.public.navy.mil/surfor/lha6/Pages/1st-USS-America.aspx#.Vs5sz_l94dV"
]
] | ||
1loh4e | In ancient times, say for the Inca. What would happen if human sacrifice did not appease the Gods and relieve the drought? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1loh4e/in_ancient_times_say_for_the_inca_what_would/ | {
"a_id": [
"cc1dl97"
],
"score": [
283
],
"text": [
"**I. In which I question the underlying assumptions and chronology of your question**\n\nFirst thing first, the Inca Empire had its heyday from the 15th to 16th Centuries CE, which is not \"ancient.\" Second, the nature of Inca theology was not... | [] | [] | [
[
"http://www.jstor.org/discover/10.2307/3629708?uid=3739616&uid=2&uid=4&uid=3739256&sid=21102615698693",
"http://books.google.com/books/about/The_Aztecs.html?id=qZNdwX8O9DUC",
"http://books.google.com/books?id=R6g-Yimdq68C&printsec=frontcover#v=onepage&q&f=false",
"http:... | ||
1f4ltx | how does the "tuner" on a radio work? | i think it's called tuner (the thing you change radio station with) | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1f4ltx/eli5_how_does_the_tuner_on_a_radio_work/ | {
"a_id": [
"ca6satr",
"ca6tkg2"
],
"score": [
6,
3
],
"text": [
"There are two components in a radio that work kinda opposite of each other. They are the *inductor* and the *capacitor*. \n\nAn *inductor* is a coil of wire. When we pass electricity through a coil of wire, it stores some of... | [] | [] | [
[],
[]
] | |
16gimn | To what extent did Celtic peoples along Europe's Atlantic coast share culture and trade before Roman conquest? | Several countries/regions in the European Atlantic coast, from Scotland to Galicia, are nowadays considered "Celtic nations" because of common cultural heritage. I wonder to what extent these actually formed any kind of union (not political, but at least in terms of culture and trade) before being conquered by the Roma... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/16gimn/to_what_extent_did_celtic_peoples_along_europes/ | {
"a_id": [
"c7w0mi4"
],
"score": [
2
],
"text": [
"Celtic language and culture came to Britain and Ireland a bit later than on the continent. In fact, it most likely spread through trade and political dominance, displacing languages that were probably related to Basque. \n\nThe Celts would have b... | [] | [] | [
[]
] | |
1ev02s | what's going on with the irs right now? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ev02s/eli5_whats_going_on_with_the_irs_right_now/ | {
"a_id": [
"ca40upm"
],
"score": [
4
],
"text": [
"Some groups can apply for tax-exempt status if they are primarily involved in social welfare. Some political groups want to get in on this tax exemption, and not have to disclose donor names. It was found that when the words \"tea party\" or \"pa... | [] | [] | [
[]
] | ||
201nng | Why exactly did the Soviet Union go to war with Finland? Why were they so ill prepared? | So I'm reading a book called "The Hundred Day Winter War" by Gordon Sander. It's really interesting and about a historical topic I literally knew nothing about.
As interesting as the book is, I didn't really get a picture of why exactly the USSR felt the need to invade Finland. What did they seek to gain out of it? W... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/201nng/why_exactly_did_the_soviet_union_go_to_war_with/ | {
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2575,
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" > What did they seek to gain out of it? \n\nFinland had been part of the Russian Empire (as a sort of pseudo-autonomous Grand D... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/File:Suur-Suomen_kartta.png"
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"http://www.reddit.com/r/AskHistorians/comments/1z4mum/how_did_the_finnish_overcome_overwhelming_odds_in/"
],
[],
[],
[]
] | |
18r5n6 | why do your emotions come in 'waves' after something very emotional occurs? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/18r5n6/eli5_why_do_your_emotions_come_in_waves_after/ | {
"a_id": [
"c8hdbgx",
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"score": [
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"text": [
"most emotions come from chemicals in the brain such as dopamine, oxytocin, adrenalin, serotonin, etc. When your brain starts to release these chemicals, it doesn't happen all at once. It begins to secrete them as if opening ... | [] | [] | [
[],
[]
] | ||
vtfmk | [South America] How did Paraguay rebuild its population after the War of the Triple Alliance | I read, in an article about a Bishop with a long term relationship (in Paraguay) that after the War of the Triple Alliance, Paraguay had to evolve different sexual morays to deal with the decimation of the majority of the male population.
1) How did the population rebuild?
2) Did it have any short or long term effec... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/vtfmk/south_america_how_did_paraguay_rebuild_its/ | {
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"score": [
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"text": [
"Do you have a link to the article you refer to? I'd be curious to read it.",
"Not an historian here, just a Brazilian that studied that on high school and did a bit of reading... | [] | [] | [
[],
[
"http://www.bbc.co.uk/news/world-latin-america-18636201",
"http://en.wikipedia.org/wiki/Cisplatine_War"
],
[],
[]
] | |
2ygybw | Does the influence of gravity from objects with mass ever reach 0? | I know that as you move further and further from an object with mass the influence of its gravity on you becomes smaller and smaller. If you get far enough away from it, does the influence its gravity has on you ever reach 0 or is it just an asymptotic 0 that gets infinitesimally close to 0 without ever reaching it? | askscience | http://www.reddit.com/r/askscience/comments/2ygybw/does_the_influence_of_gravity_from_objects_with/ | {
"a_id": [
"cpainm6"
],
"score": [
3
],
"text": [
"It never reaches zero. The force of gravity is inversely proportional to the square of the distance, so it decays asymptotically to zero as you increase the distance (for example, if you double the distance, the force becomes 4 times smaller; if ... | [] | [] | [
[]
] | |
6cdjhf | why do some people look "good" fat, and others look "bad" fat? | Kind of a strange question, but I feel like some people get fat and look okay, whereas other people get fat and look terrible.
Does it have to do with the allocation of where the fat is stored? Does it have to do with the person's natural looks?
I'm asking because I'm a decent looking person, but I feel like when I ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6cdjhf/eli5why_do_some_people_look_good_fat_and_others/ | {
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"dhtthpr",
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"score": [
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3,
3,
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"text": [
"Confidence goes a long way in this respect. If you feel less confident when you gain weight, you'll feel like you look less attractive. As for others, the ones that look good to y... | [] | [] | [
[],
[],
[],
[]
] | |
1yfq36 | we often hear about first world and third world countries/problems ect. but why do we never hear about second world? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1yfq36/eli5_we_often_hear_about_first_world_and_third/ | {
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4ram3z | Why didn't warships of the 18th century use explosive shells against each other? | From what I know, warships of the 18th century usually used solid round shot against each other to punch holes in the enemy's hull. Why didn't they use explosive shells like the later ironclads did? Wouldn't explosive shells be devastating to both the enemy ship and the crew? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4ram3z/why_didnt_warships_of_the_18th_century_use/ | {
"a_id": [
"d4zygt4"
],
"score": [
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],
"text": [
"The overly glib answer to this is that they weren't invented yet, or at least not invented in a manner that would be useful. Although explosive shells date back to the 1300s, around the time of the invention of cannon, shells of the 18th c. were ... | [] | [] | [
[
"https://cdn.shopify.com/s/files/1/0228/4041/products/picture_002_1024x1024.jpg?v=1376320161",
"http://2.bp.blogspot.com/-D4vrsEt5d2I/VAeblvZ7-aI/AAAAAAAAAf4/iYH6vFw4b5g/s1600/img442.jpg"
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y5zbl | how do the companies behind linux distros such as ubuntu and opensuse make money if their os is free and open-source? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/y5zbl/eli5_how_do_the_companies_behind_linux_distros/ | {
"a_id": [
"c5smu42",
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"score": [
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"text": [
"They offer the OS for free but charge for some kind of services (that can be modifications or support and they know their \"free\" product the best).\n\nIf you don't need any support or modifications then it's easy to buy in... | [] | [] | [
[],
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] | ||
4wjjxo | why when someone records the cinema screen using a camera, the video becomes ugly and not the same as the screen? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4wjjxo/eli5why_when_someone_records_the_cinema_screen/ | {
"a_id": [
"d67hzaw",
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2
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"text": [
"A few things. \n\n1) Most cameras record at 30fps, where as most films are 24fps. This leads to weird things happening due to the timing of the frames such as flashing and flickering. \n\n2) Cameras, especially cheap ones, ... | [] | [] | [
[],
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a7gpt4 | why do people open their own mouth when spoon-feeding a baby? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a7gpt4/eli5_why_do_people_open_their_own_mouth_when/ | {
"a_id": [
"ec2tnht",
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"score": [
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"text": [
"To give the baby a visual cue of what to do and hope they mimic the movement. ",
"Trying to model the behaviour. If the baby sees them opening their mouth, the baby might open their own mouth so t... | [] | [] | [
[],
[],
[]
] | ||
1sv1bc | why can adults get diseases only by touching grabpoles on public transport while children's immune system profit from eating dirt/playing in dirt? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1sv1bc/why_can_adults_get_diseases_only_by_touching/ | {
"a_id": [
"ce1ic60"
],
"score": [
4
],
"text": [
"Children do not benefit from eating dirt. Children are more exposed to germs and therefore slowly build up immunities to common viruses. Not diseases, by the way.\n\nAdults do not get diseases only by touching public transport poles. Adults are... | [] | [] | [
[]
] | ||
1iwj7l | how do you calculate the 20th percentile of a cumulative frequency? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1iwj7l/eli5how_do_you_calculate_the_20th_percentile_of_a/ | {
"a_id": [
"cb8q78h"
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"score": [
2
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"text": [
"ELI5 isn't for walkthroughs. Try /r/learnmath or /r/cheatatmathhomework.\nThanks. removing."
]
} | [] | [] | [
[]
] | ||
3g08t6 | what's the deal with movie theater shootings? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3g08t6/eli5_whats_the_deal_with_movie_theater_shootings/ | {
"a_id": [
"cttkjmr"
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"text": [
"Like any mass shooting, they get tons of Media attention, inspiring the next round of mentally unwell individuals to become copycats. Combine that with virtually non existent security in movie theaters, and you've got an easy target full of peopl... | [] | [] | [
[]
] | ||
2ekquf | why is there so much abuse in the foster system? shouldn't there be more extensive background checks? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ekquf/eli5_why_is_there_so_much_abuse_in_the_foster/ | {
"a_id": [
"ck0eshv",
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"score": [
3,
7,
3
],
"text": [
"I work in a related field. Honestly, there should be several changes. There aren't enough workers or enough of a budget to do enough. Also, who says that these abusers have done it in the past? A backgr... | [] | [] | [
[],
[],
[]
] | ||
f606et | why is it that i’m some cases of people being stabbed/impaled, the removal of the item that did the stabbing/impaling (not the initial puncture itself) causes them to bleed out and die? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f606et/eli5_why_is_it_that_im_some_cases_of_people_being/ | {
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"fi1v0vu",
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9,
2
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"text": [
"Because the object basically acts like a plug when someone is impaled, as soon as you pull it out then the blood has nothing to even try and stop it from flowing freely out of the wound , that’s my gues... | [] | [] | [
[],
[],
[]
] | ||
60fy5a | how can a single cpu core run multiple threads and how is that beneficial? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/60fy5a/eli5_how_can_a_single_cpu_core_run_multiple/ | {
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4,
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"text": [
"Well, a single core can't directly run several threads. What happens is your operating system (windows) switches between these threads when it needs to, with only one ever active ... | [] | [] | [
[],
[],
[],
[]
] | ||
461gal | why does the doubling your money strategy not work in gambling? | The idea where you will keep doubling your money whenever you lose a bet.
For example if a player starts at $1 and loses four bets in a row, winning on the fifth, he will have lost $1+$2+$4+$8 = $15 on the four losing bets and won $16 on the fifth bet. The losses were covered and he had a profit of $1. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/461gal/eli5_why_does_the_doubling_your_money_strategy/ | {
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"text": [
"The house pretty much always has the advantage. You also don't have infinite funds and losing streaks happen. You are basically guaranteed to eventually ... | [] | [] | [
[],
[],
[],
[],
[]
] | |
2x2kw2 | How did the cicada's mating cycle come to be 17 years long? Wouldn't a cycle of only a few years be necessary to avoid lining up with predatory mating cycles? | askscience | http://www.reddit.com/r/askscience/comments/2x2kw2/how_did_the_cicadas_mating_cycle_come_to_be_17/ | {
"a_id": [
"cowjug2"
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"score": [
18
],
"text": [
"It's very beneficial to take a prime number as the length of your mating cycle. If you'd take 4 years for example, any predator that has a cycle of 1, 2 or 4 would eat a large part of the population. If you take a prime number like 7, then preda... | [] | [] | [
[]
] | ||
cioo2l | how the us lost the ability/technology to land on the moon, after 50 years of industry advancement | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cioo2l/eli5_how_the_us_lost_the_abilitytechnology_to/ | {
"a_id": [
"ev86zi9",
"ev87pp7"
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"score": [
6,
2
],
"text": [
"We haven't. In fact Nasa plans on putting a man on the moon in 2024. Planning missions like these takes a long time in advaced, because literally every contingency needs to be planned for. Not to mention we plan to use it ... | [] | [] | [
[],
[]
] | ||
2p1n28 | Why didnt Soviets force Finland to adopt a socialist government after WW2? And why did Finland never join the Warsaw Pact? | In the end the Finnish were eventually defeated in the Continuation War so how come they seemed to be the exception when it comes to Axis nations that were occupied by Soviet forces? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2p1n28/why_didnt_soviets_force_finland_to_adopt_a/ | {
"a_id": [
"cmsl8dr",
"cmsrj0e"
],
"score": [
5,
5
],
"text": [
"Finland was never occupied by Soviet troops. They never got past a certain point. At that point in time in 1944, the Soviets were more interested in moving as fast as possible into Germany rather than trying to move deeper i... | [] | [] | [
[],
[]
] | |
2aalj0 | if most youtube ads can be skipped after 5 seconds, why don't advertisers start making 5 second ads? | This goes for all online ads really.
It has been shown that less intrusive ads (Google text ads, for example) are often more effective than large annoying things that will just get adblocked anyways. I understand that it's not widespread, but why don't I see this at all? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2aalj0/eli5if_most_youtube_ads_can_be_skipped_after_5/ | {
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"citc9g3",
"citck0r",
"citcn12",
"citdqdc",
"cite100",
"cite82o",
"citeeqg",
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"c... | [] | [] | [
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"https://www.youtube.com/watch?v=ak9nzwj2_RY"
],
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... | |
2cxyj6 | why websites using cookies to better target your ads is considered such a bad thing. | I'm all about my privacy as much as the next person, but I also realize that the Internet is literally funded by ads. If I can at least see some ads that are not totally off the wall, why is it such a terribly offensive thing to some people? I have actually found some interesting deals via targeted ads. I found the "Wi... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2cxyj6/eli5_why_websites_using_cookies_to_better_target/ | {
"a_id": [
"cjk50wx"
],
"score": [
8
],
"text": [
"Because I don't want family visiting sites on my laptop and seeing penis pump ads on sites just because I clicked on an ad last night.\n\nEdit: er umm... not that I need one :("
]
} | [] | [] | [
[]
] | |
b6zvtm | in computer architecture, what is the difference between core and a microarchitecture? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b6zvtm/eli5_in_computer_architecture_what_is_the/ | {
"a_id": [
"ejo8e7f"
],
"score": [
3
],
"text": [
"A multi-core processor is a way to say that you have multiple independent processing unit on the same physical chip. Each is called a core and they will be identical in the chip for computers but in a cellphones the might have 4 energy efficient ... | [] | [] | [
[]
] | ||
2s8v2n | how do astronomers know a black hole has the mass of 20 billion suns? | My wife and I just watched the video that was front page earlier about how massive black holes really are. She asked how do they know that? She then said I guess I'll just trust them because they are so much smarter than we are. I said that's what eli5 is for. Thanks in advance! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2s8v2n/eli5how_do_astronomers_know_a_black_hole_has_the/ | {
"a_id": [
"cnn90wz",
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"score": [
5,
5
],
"text": [
"A black hole is basically just a star that's collapsed in on itself, becoming very, very dense. Our Sun has a lot of gravity because it's so massive, but the only stars that can become black holes are hundreds of times bigg... | [] | [] | [
[],
[]
] | |
24hj5w | gas stations often have signs on the pump to turn off your phone and pager while using the pump. i doubt that anyone does this. what's the concern and is it a valid one? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/24hj5w/eli5_gas_stations_often_have_signs_on_the_pump_to/ | {
"a_id": [
"ch76yuv"
],
"score": [
3
],
"text": [
"The concern is about the possibility of an electrical spark igniting the fumes of fuel. The source comes from an investigation of a fire at a gas station where they could not determine a cause many years ago. One difference was the car owner had ... | [] | [] | [
[]
] | ||
5ja2ym | what do all the parts of a url mean? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ja2ym/eli5_what_do_all_the_parts_of_a_url_mean/ | {
"a_id": [
"dbej2qk",
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"score": [
2,
2,
2
],
"text": [
"The first bit before the colon (http, https etc) refers to the protocol in use. Http is the only common one but you can use others like ftp:// - which will use file transfer protocol. The next bit after... | [] | [] | [
[
"foo.bar.com",
"Http://www.foo.bar.com/tarfu/fubar.htm?some&options&here"
],
[],
[
"www.reddit.com",
"customer.company.com",
"Http://www.reddit.com/r/explainlikeimfive",
"employee.company.com",
"youtube.com/watch?v=idnsjdniji",
"google.com/search?q=potatoe"
]
] | ||
4fm4jr | how do some vehicles drive nearly submerged without stalling or breaking down? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4fm4jr/eli5_how_do_some_vehicles_drive_nearly_submerged/ | {
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"score": [
17,
8,
2
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"text": [
"This is much easier with a diesel engine, particularly older ones which don't have masses of electronics. They're nearly all mechanical and don't much care if they're under water.\n\nMore modern diesel... | [] | [] | [
[],
[
"https://en.m.wikipedia.org/wiki/Vehicle_snorkel"
],
[]
] | ||
2tjpis | how do wills get invalidated by a court? | I was just reading an askreddit thread about that funniest things lawyers read out loud during a will reading and was wondering how does/can a will be invalidated? How can a court decide whether to honor or invalidate a will? How can someones last wishes for THEIR belongings not be honored and simply cast aside because... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2tjpis/eli5how_do_wills_get_invalidated_by_a_court/ | {
"a_id": [
"cnzmmqy",
"cnzn7dq"
],
"score": [
5,
5
],
"text": [
" > How can a court decide whether to honor or invalidate a will?\n\nOne way that a will can be invalidated is if it's deemed to be incomplete. For instance, a will that was first drafted 30 years ago, and doesn't mention ch... | [] | [] | [
[],
[]
] | |
323oxs | what is it about riding in a car that makes babies fall asleep? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/323oxs/eli5_what_is_it_about_riding_in_a_car_that_makes/ | {
"a_id": [
"cq7kpnd",
"cq7no10",
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"cq7ruf5",
"cq7tcg7",
"cq7zwf0",
"cq8fe25"
],
"score": [
12,
5,
7,
5,
2,
2,
2
],
"text": [
"Vibration, warmth, hum of the engine all come into play. I wish I could find a link to a study, but if the cars a... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | ||
3y103f | Do black holes have an escape velocity? | Obviously you would have to travel faster than light and I know that once you are inside of the event horizon, all future paths lead to the singularity, but FTL travel leads backwards in time, so this seems like it may work out? Is the escape velocity possible to calculate? Or is this a nonsensical question? | askscience | https://www.reddit.com/r/askscience/comments/3y103f/do_black_holes_have_an_escape_velocity/ | {
"a_id": [
"cy9w340"
],
"score": [
11
],
"text": [
" > Or is this a nonsensical question? \n\nBingo. I know you mentioned \"what if + time travel,\" but entertaining these miss the point of physics because they disregard physics entirely.\n\nIn any case, as long as you kept outside the horizon y... | [] | [] | [
[]
] | |
r8wcw | Health differences between animal protein and plant protein? | As I look around the health food section I can see that all of the protein bars and powders use a mixture of plant protein as well as whey and casein protein. Is there any nutritional difference between the protein that comes from plant matter and the protein that comes from animals? Would I be better served eating ste... | askscience | http://www.reddit.com/r/askscience/comments/r8wcw/health_differences_between_animal_protein_and/ | {
"a_id": [
"c43uyc0"
],
"score": [
2
],
"text": [
"Animal protein is a complete protein. It contains all nine essential amino acids that our bodies need. Vegetable proteins do not generally contain all nine amino acids. However, by combining foods you can make a complete protein. Rice and beans a... | [] | [] | [
[]
] | |
6wtnqa | why are different parts of the world more prone to extreme weather? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6wtnqa/eli5_why_are_different_parts_of_the_world_more/ | {
"a_id": [
"dmap2gn"
],
"score": [
5
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"text": [
"There's a few factors that are happening. The big ones are:\n\n* the middle of the planet is warm\n* the poles of the planet are cold\n* warm air expands (pushing other air) and rises\n* warm water evaporates\n* cold water condenses and falls\n* ... | [] | [] | [
[]
] | ||
1q8nwg | if colds are caused by viruses and bacteria, why do i often feel like i get a cold from just staying at low temperatures without proper clothing? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1q8nwg/eli5_if_colds_are_caused_by_viruses_and_bacteria/ | {
"a_id": [
"cdaauw7",
"cdablbe"
],
"score": [
2,
4
],
"text": [
"They're not caused by any bacteria. They're both caused by viruses.\n\nAnd to answer the question, coincidence or you're just remembering the times the two coincided. ",
"When the weather is cold, people spend more tim... | [] | [] | [
[],
[]
] | ||
4y8uzo | how do services such as 'bongo' in the uk know any details about a person, and are they even real? | At least in the UK there are services you text your name to and they respond with multiple facts about you, details only people close to you should know. I know for a fact a lot of people simply receive a reply saying the service won't work for them. But, are they real? And if so how do they work??
Thanks in advance! | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4y8uzo/eli5how_do_services_such_as_bongo_in_the_uk_know/ | {
"a_id": [
"d6lwnfg",
"d6lycic"
],
"score": [
2,
2
],
"text": [
"From their FAQ:\n\n > HOW DOES BONGO WORK?\n\n > BONGO works thanks to a number of intelligent human researchers and a very sophisticated software application with a huge database.\n\nSo officially, they say it's a mixture o... | [] | [] | [
[],
[]
] | |
e7guez | why do all legitimate streams run almost half a minute behind their television counterparts? | You could be watching a 100m final but they've already finished on your TV stream where they're still in the blocks on your internet stream | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/e7guez/eli5_why_do_all_legitimate_streams_run_almost/ | {
"a_id": [
"f9z7dqd",
"f9zajhv"
],
"score": [
3,
3
],
"text": [
"i'll give you a placeholder answer that you can hold onto until someone who's worked with this technology at a lower level can speak on it.\n\n\n\nThere is a lot of preprocessing that goes on with video, sending it too. You ... | [] | [] | [
[],
[]
] | |
ej72gj | why you’re told to wait 30 seconds when unplugging a modem or dvr. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ej72gj/eli5_why_youre_told_to_wait_30_seconds_when/ | {
"a_id": [
"fcvvyzl",
"fcvvzzz",
"fcvw7uk"
],
"score": [
4,
18,
9
],
"text": [
"When you unplug it, there is still electricity in the device. Think of it like a sink, and electricity is water. Pull the plug and let it drain.",
"Electric circuits have parts called capacitors wh... | [] | [] | [
[],
[],
[]
] |
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