q_id stringlengths 5 6 | title stringlengths 3 296 | selftext stringlengths 0 34k | document stringclasses 1
value | subreddit stringclasses 1
value | url stringlengths 4 110 | answers dict | title_urls list | selftext_urls list | answers_urls list |
|---|---|---|---|---|---|---|---|---|---|
f58prc | why and how do car clutches work? | I'll appreciate any links to further reading. Currently going through its Wikipedia page but I'm not an engineer so hard for me to take so much info at once. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f58prc/eli5_why_and_how_do_car_clutches_work/ | {
"a_id": [
"fhx6px1",
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"score": [
4,
3
],
"text": [
"I would suggest you to look on YouTube as there are loads of videos explaining it in detail and showing actual clutches and gearboxes in action.",
"The US Auto Industry channel presents really good videos; look up \"Spin... | [] | [] | [
[],
[]
] | |
1f2ofb | the war on drugs and the stigma surrounding it | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1f2ofb/eli5_the_war_on_drugs_and_the_stigma_surrounding/ | {
"a_id": [
"ca6810b",
"ca68er1",
"ca69wb3"
],
"score": [
4,
3,
2
],
"text": [
"Little Bobby wanted to eat some chewing gum but the school didn't allow it. The school placed a rule that anyone who has chewing gum will go to detention. \n\nThe school did this because chewing gum was... | [] | [] | [
[],
[],
[
"http://www.youtube.com/watch?v=O_LHuII-jYQ"
]
] | ||
2rkuvn | why do i still need glasses when looking in a mirror? | I'm very nearsighted. If I'm using a mirror and look at something far away in the background, without my glasses, it is just as blurry as if I was looking at it straight on. But since its reflected off the mirror, closer to me, shouldn't everything be clear? Wearing glasses improved the distance I can see in a reflecti... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2rkuvn/eli5_why_do_i_still_need_glasses_when_looking_in/ | {
"a_id": [
"cngsuro",
"cngsv67",
"cngsxya"
],
"score": [
3,
2,
3
],
"text": [
"A common science-y question. The short answer is that you may be looking at a physical object (the mirror) that is within your visible distance, but the thing you're trying to look at in the mirror is ... | [] | [] | [
[
"http://www.thenakedscientists.com/HTML/questions/qotw/question/3233/"
],
[],
[
"http://i.imgur.com/svEGc0z.png"
]
] | |
43zgfp | why won't other countries adopt the "more successful" / "better" educational programs of other countries, e.g. finland? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/43zgfp/eli5_why_wont_other_countries_adopt_the_more/ | {
"a_id": [
"czm5f2z",
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"czme2pj",
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"czmgrne"
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"score": [
26,
6,
7,
3,
3,
2
],
"text": [
"There are many, many known factors that go into educational success. Some of them are quite unrelated to the educational system, such a... | [] | [] | [
[],
[],
[],
[
"https://m.youtube.com/watch?v=Bx4pN-aiofw"
],
[],
[]
] | ||
a44v01 | is the sugar content of any food item dictated by the amount of carbs present in it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a44v01/eli5_is_the_sugar_content_of_any_food_item/ | {
"a_id": [
"ebbi5b6",
"ebbi7hf",
"ebbihpr"
],
"score": [
6,
3,
3
],
"text": [
"Other way around. \nSugar is only one kind of carbohydrate.\nThere also carbohydrates that may be listed but not fully metabolized like sugar alcohols. There are also the soluble and insoluble fibers th... | [] | [] | [
[],
[],
[]
] | ||
5yebuh | why do restaurants serve small items on large plates? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5yebuh/eli5_why_do_restaurants_serve_small_items_on/ | {
"a_id": [
"depc7yq",
"depg4ib",
"depgb9r",
"depp5bx"
],
"score": [
26,
5,
84,
3
],
"text": [
"Some people go to a restaurant because they're terribly hungry and need to eat A LOT of food fast.\n\nBut, typically, going to a restaurant is a social event, you're going with a... | [] | [] | [
[],
[],
[],
[]
] | ||
5vp3ns | why is chinaman considered racist while englishman, frenchman, scottsman, etc are not? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5vp3ns/eli5_why_is_chinaman_considered_racist_while/ | {
"a_id": [
"de3pt2c",
"de3ptnz"
],
"score": [
4,
3
],
"text": [
"Context and history. Words pick up a lot of their meaning form the way they're used. Most racist terms didn't start that way, but being used in a derogatory way has pretty well tainted them and whatever the old meaning was ... | [] | [] | [
[],
[]
] | |
3xaej9 | how is the enormous cost of advertising worth the investment? | And how do business calculate some estimated return based upon a certain amount of advertising? I, like most other people probably, don't buy stuff just because I saw some commercial or Youtube ad. I know it's good to make people aware of your product, but the insane amount spent on it confuses me. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3xaej9/eli5_how_is_the_enormous_cost_of_advertising/ | {
"a_id": [
"cy2wynm"
],
"score": [
8
],
"text": [
" > I, like most other people probably, don't buy stuff just because I saw some commercial or Youtube ad.\n\nYes, you do. This is the most direct ELI5 answer - advertising works even when people don't think it works. You may not consciously be awa... | [] | [] | [
[]
] | |
3p7thz | why does our voice get croaky? | EXTRA QUESTION: Why does it sound deeper when it's croaky? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3p7thz/eli5_why_does_our_voice_get_croaky/ | {
"a_id": [
"cw3wvu3"
],
"score": [
23
],
"text": [
"There are lots of reasons your voice can be croaky. \n\nLet's start with a review: Your voice comes from your vocal folds. Vocal folds are [bands of muscle in your larynx.](_URL_0_) (Yes, yes, they look like a vagina, pay attention!) Air from yo... | [] | [] | [
[
"http://voicedoctor.net/sites/default/files/2011-09-16_vid7_rig_str-002304-stmid.jpg"
]
] | |
c0tle2 | how do record labels screw certain artists/bands (“360 deals”) and push others to success? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/c0tle2/eli5_how_do_record_labels_screw_certain/ | {
"a_id": [
"er7l3fb"
],
"score": [
5
],
"text": [
"Record labels are there to make money - they help bands by providing capital to afford costs like recording, promotion and touring (that most bands cannot afford outright) and knowledge to do this well (the hired tour managers and marketing peopl... | [] | [] | [
[]
] | ||
7ecd8i | why is it harder to be happy as we grow older? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7ecd8i/eli5_why_is_it_harder_to_be_happy_as_we_grow_older/ | {
"a_id": [
"dq3z05h",
"dq41ddl",
"dq42vj7"
],
"score": [
2,
2,
2
],
"text": [
"Its most likely because you have more responsibilities as you grow. The fun you has as a child was an innocence of care, you did stuff without having those thoughts in the back of your head like: oh man... | [] | [] | [
[],
[],
[]
] | ||
wy87y | why people care/get annoyed at poor grammar | It's the internet, not an English paper or whatever, so why does it tend to annoy people? It doesn't really bother me, as long as it's understandable I don't mind it.
Note - I'm not talking about those sentences that are impossible to read without correct punctuation, I'm talking mainly about spelling mistakes and peo... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/wy87y/eli5_why_people_careget_annoyed_at_poor_grammar/ | {
"a_id": [
"c5hi0xd",
"c5hicfy",
"c5hiecr",
"c5hl3pu",
"c5hlqql"
],
"score": [
2,
25,
10,
2,
5
],
"text": [
"My theory is that if people type like that they won't be able to understand the correct way, and over time people will just get dumber.",
"As someone ob... | [] | [] | [
[],
[],
[],
[],
[]
] | |
5t41g8 | how does freezing water simply make ice while rain freezes and becomes snow, which has completely different properties despite being the same thing? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5t41g8/eli5_how_does_freezing_water_simply_make_ice/ | {
"a_id": [
"ddjyka0",
"ddk01pw"
],
"score": [
6,
6
],
"text": [
"This happens because when a large body of water (something bigger than a snow flake) freezes, it has a bunch of other water molecules to attach to. This allows the ice to form a really big piece.\n\nSnow forms from tiny drop... | [] | [] | [
[],
[]
] | ||
4kxj4f | if people in the us are largely unhappy with the dem/repub presidential candidates why aren't candidates from the other parties considered or talked about? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4kxj4f/eli5_if_people_in_the_us_are_largely_unhappy_with/ | {
"a_id": [
"d3ilkgr",
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"d3im9au",
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"d3io514"
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"score": [
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2,
4,
57,
2,
7
],
"text": [
"I think it's largely because non Rep/Dem candidates don't really stand a chance, and aren't terribly interesting to an overall, media w... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | |
3h2zhn | why don't the billionaires from the giving pledge just give up half of their money now rather then wait till they're dead? | I guess the idea that sparked the question was the fact that we'll have to wait till they die. And that can take a really long time till we see the money be used for world-wide philanthropy. As morbid as that might seem, I truly mean it in the best way possible. Not to offend. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3h2zhn/eli5_why_dont_the_billionaires_from_the_giving/ | {
"a_id": [
"cu3rul4"
],
"score": [
2
],
"text": [
"Because if they keep it now and use it in their various enterprises they will have more money to give when they die. "
]
} | [] | [] | [
[]
] | |
50ik0o | is all starlight white? if the sun was a blue star instead of a yellow one would the light be any different to us on earth? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/50ik0o/eli5_is_all_starlight_white_if_the_sun_was_a_blue/ | {
"a_id": [
"d74bz6w",
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"d74f6ko",
"d74ff3m",
"d74r9qb"
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"score": [
12,
3,
3,
68,
3,
2
],
"text": [
"White light is just what you see when all frequencies on the visible spectrum are there. A hotter star will emit more red light than a... | [] | [] | [
[],
[
"https://upload.wikimedia.org/wikipedia/commons/5/54/Sun_white.jpg"
],
[],
[
"http://solar-center.stanford.edu/SID/activities/GreenSun.html"
],
[],
[]
] | ||
21yucy | if heat comes from rays, what is coldness? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/21yucy/eli5_if_heat_comes_from_rays_what_is_coldness/ | {
"a_id": [
"cghpybc",
"cghq5hv"
],
"score": [
3,
3
],
"text": [
"Coldness is really nothingness. It doesn't exist. \"Coldness\" is just the lack of energy, aka the lack of heat.",
"Heat doesn't come from rays, altough heat can be transmitted by rays.\n\nTemperature is the average ener... | [] | [] | [
[],
[]
] | ||
3nlmse | how does a company like valve not have a customer service department? | I've seen numerous reports and complaints about Steam customer service, or the lack thereof. I've also seen numerous people claim that Valve doesn't have a customer support team for Steam. For a company with the kind of revenue and reputation that Valve have, how is this possible? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3nlmse/eli5_how_does_a_company_like_valve_not_have_a/ | {
"a_id": [
"cvp4swe",
"cvp6jmr",
"cvp6js7",
"cvp6po6"
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"score": [
12,
6,
2,
3
],
"text": [
"Could be a couple of things at play here -\n\n1) You only hear the complainers. You're never going to hear that thousands of people whose issue was resolved quickly, painlessly a... | [] | [] | [
[],
[
"https://www.vg247.com/2015/02/24/steam-has-over-125-million-active-users-8-9m-concurrent-peak/"
],
[],
[
"https://support.steampowered.com/"
]
] | |
71p5vw | what kind of applications won't benefit from increased multi-thread performance? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/71p5vw/eli5_what_kind_of_applications_wont_benefit_from/ | {
"a_id": [
"dncf7d7",
"dncfb69"
],
"score": [
5,
4
],
"text": [
"One reason is if the application is primarily I/O bound. Adding more threads won't make your hard drive any faster.",
"Applications that only have one thread, of course.\n\nWriting a multi-threaded application is a lot m... | [] | [] | [
[],
[]
] | ||
3odqin | what is 'ttip' and why are germany protesting against it in such huge numbers? | I'm dumb and don't understand good. I've seen it in the news today, and it looks like a massive 250,000 person march was held in Berlin on Saturday? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3odqin/eli5_what_is_ttip_and_why_are_germany_protesting/ | {
"a_id": [
"cvwatjw",
"cvwauyl"
],
"score": [
10,
5
],
"text": [
"I can't answer about the protests but I can shed some light on TTIP. \n\nTTIP is a trans-atlantic agreement that is being debated between the EU and the US. It's basically a set of rules and agreements for trade between the... | [] | [] | [
[],
[]
] | |
26446h | why game theory, being a common sense, can be considered so important that it won people nobel prizes? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/26446h/eli5why_game_theory_being_a_common_sense_can_be/ | {
"a_id": [
"chnfv3o",
"chngekt",
"chngqcy"
],
"score": [
2,
5,
3
],
"text": [
"The 'rules' used might seem quite common sense, but to think of formalising it in that way is not, otherwise it would have been done much sooner.\n\nAlso, conclusions taken from the application of game ... | [] | [] | [
[],
[],
[
"http://en.wikipedia.org/wiki/Nash_equilibrium",
"http://en.wikipedia.org/wiki/Matching_pennies"
]
] | ||
3mwik5 | why does the black lives matter movement not protest black on black violence in chicago? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3mwik5/eli5_why_does_the_black_lives_matter_movement_not/ | {
"a_id": [
"cviqtes",
"cviqwi9",
"cvirdc7"
],
"score": [
5,
3,
2
],
"text": [
"Because the purpose of the movement is to bring attention to the high ratio of black victims of police brutality. Black victims of police violence are often overlooked and their stories disappear. The... | [] | [] | [
[],
[],
[]
] | ||
f1ajzj | when a country sells a part of it's territory what happens to the people living there? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f1ajzj/eli5_when_a_country_sells_a_part_of_its_territory/ | {
"a_id": [
"fh38ayj",
"fh39xnj",
"fh3c0xy"
],
"score": [
12,
5,
2
],
"text": [
"They are usually recognized as citizens of the country that's buying the territory. It hasn't happened often in the last 100 years, and there are special cases, but the Chinese people living in Hong K... | [] | [] | [
[],
[],
[]
] | ||
1oq1ke | what happens to the photons if light is reflected of a colored surface ? | Ok, so I'm no scientist, therefor I only have a basic understanding of how light works. Here's what I know, correct me if I'm wrong :
* light (visible or not) is made of photons with no mass, traveling at the speed of light (depending on the medium)
* the color of a light is caracterised by it's frequency, or it's wa... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1oq1ke/eli5_what_happens_to_the_photons_if_light_is/ | {
"a_id": [
"ccuf4mt",
"ccugfcp"
],
"score": [
2,
3
],
"text": [
"Photons are nothing like glass beads or billiard balls. Think of it as an \"energy packet\", or the smallest unit of energy that can exist. What light is absorbed by a surface, the energy that is originally stored in the pho... | [] | [] | [
[],
[
"http://www.reddit.com/r/explainlikeimfive/comments/1m8vzf/how_do_individual_atoms_reflect_certain_colors_of/"
]
] | |
fmaxvx | how does blowing on a candle extinguish the flame? is it the air movement or the fact that we exhale carbon dioxide? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fmaxvx/eli5_how_does_blowing_on_a_candle_extinguish_the/ | {
"a_id": [
"fl39cyl"
],
"score": [
9
],
"text": [
"A fire requires fuel, oxygen, and heat. By blowing on the flame you're still providing oxygen and the candle itself provides fuel, but you're replacing the hot gases of the flame with colder exhaled breath and there's not enough heat to keep the ... | [] | [] | [
[]
] | ||
a7nc5z | what is the driving factor for reproductive isolation ? | How come the Darwin finches who were living on the same island become different species due to differences only in beak shape while mastiffs and chihuahuas are still in the same species and can mate together despite numerous physical differences ? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a7nc5z/eli5_what_is_the_driving_factor_for_reproductive/ | {
"a_id": [
"ec4bjkm"
],
"score": [
3
],
"text": [
"I think there's more layers to this than you're getting at.\n\nThere are multiple ways to distinguish between species.\n\nSome of them are incompatible because of physical features. I think this is more common in insects and sometimes reptiles. T... | [] | [] | [
[]
] | |
3pft7e | why are apples not "true to the seed"? why can't you take an apple seed from the fruit and grow an edible one? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3pft7e/eli5_why_are_apples_not_true_to_the_seed_why_cant/ | {
"a_id": [
"cw5zen7",
"cw6885s",
"cw6dtce"
],
"score": [
16,
2,
3
],
"text": [
"Apples just have a lot of variance. There are literally tens of thousands of different varieties of apples and if you grow apples from seeds you will get some of those random varieties. Most of them ... | [] | [] | [
[],
[],
[]
] | |
8bafzv | what exactly is an anecdote? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8bafzv/eli5_what_exactly_is_an_anecdote/ | {
"a_id": [
"dx55iw3",
"dx55pdn"
],
"score": [
2,
2
],
"text": [
"An anecdote would usually be told to entertain, or to persuade. (by giving an interesting or amusing (funny) example)",
"An anecdote is a short, real story about something that actually happened.\n\nIt doesn't have to te... | [] | [] | [
[],
[]
] | ||
ahy5ef | have/do people actually view mythology as a legit religion? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ahy5ef/eli5_havedo_people_actually_view_mythology_as_a/ | {
"a_id": [
"eej9ici"
],
"score": [
5
],
"text": [
"\"Mythology\" does *not* relate to a specific set of religious beliefs, it is just a general term/word that describes what individual religions do believe and the lore, the underlying story, of their beliefs.\n\nGenerally \"mythology\" refers to ... | [] | [] | [
[]
] | ||
utwca | how does a scissor cut a sheet of paper? | I know this sounds stupid, but I have been thinking about this since I learned about atoms and I'm too shy to ask.
So, I know paper is made of lots and lots of atoms linked together by atomic forces. The blades of a pair of scissors are pretty much the same thing, but with different atoms and stronger bonds. My quest... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/utwca/how_does_a_scissor_cut_a_sheet_of_paper/ | {
"a_id": [
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"score": [
3,
6,
2,
2
],
"text": [
" > I mean, looking at it from our scale, it makes sense, but in an atomic level, I just don't get it.\n\nAre you me?\n\nAlso, maybe try cross posting to [/r/science](/r/science) ",... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/File:PaperAutofluorescence.jpg"
],
[],
[
"http://jclahr.com/science/earth_science/tabletop/pushpull.gif"
]
] | |
bsl2aa | why is it so dangerous to have metal in or around your body when getting an mri? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bsl2aa/eli5_why_is_it_so_dangerous_to_have_metal_in_or/ | {
"a_id": [
"eoo06y2",
"eooirvn"
],
"score": [
21,
2
],
"text": [
"MRI is Magnetic Resonance Imaging. \n\nThat uses giant fucking magnets.\n\nThose attract metal object with great amounts of force.\n\nMetal object inside of you + giant magnet outside of you = bloody metal bits ripped out ... | [] | [] | [
[],
[]
] | ||
2m5gvb | how do self driving cars refuel? | Does it send out a request to have a Google employee meet it at a gas station? Does Google call the gas station and ask that the attendant fuel up for them? I tried asking Google themselves but have not found an answer... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2m5gvb/eli5how_do_self_driving_cars_refuel/ | {
"a_id": [
"cm13ro0"
],
"score": [
3
],
"text": [
"Just because the cars can drive themselves doesn't mean they always do. You take control of the wheel and pull it in to a gas station, then get out and pump gas into the car."
]
} | [] | [] | [
[]
] | |
54i18x | giving internet control over to the un | Why are we giving Internet control to the UN and what negative ramifications could it have? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/54i18x/eli5_giving_internet_control_over_to_the_un/ | {
"a_id": [
"d820x0u"
],
"score": [
3
],
"text": [
"We are giving it to the UN because it is currently in charge of ICANN who despite being a part of the US government doesn't really receive much overview from them. Transferring it to the UN will just mean that the US has no formal overview either... | [] | [] | [
[]
] | |
nozad | what are the 5th to 9th dimensions? | So my understanding of the spacial and temporal dimensions is limited to the following but I'd like to have a vague understanding of the rest:
1st = x-axis,
2nd = y-axis,
3rd = z-axis, and
4th = time.
Edit: Thank you for the material reddit, continue to post resources if you'd like but I have enough to tide me ov... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/nozad/elif_what_are_the_5th_to_9th_dimensions/ | {
"a_id": [
"c3asup1",
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"c3attr8",
"c3au52n",
"c3au6jc",
"c3aurjs",
"c3auuoc",
"c3avpu9",
"c3ax0ur",
"c3b8yc5",
"c3asup1",
"c3at5ip",
"c3atffd",
"c3atjnl",
"c3atncp",
"c3atpfc",
"c... | [] | [] | [
[],
[
"http://www.youtube.com/watch?v=UnURElCzGc0"
],
[
"http://www.gutenberg.org/ebooks/201"
],
[],
[
"http://www.youtube.com/watch?v=UnURElCzGc0"
],
[
"http://blogs.oracle.com/bblfish/entry/the_10_dimensions_of_reality"
],
[],
[],
[
"http://www.youtube.com/watch?v=Jkxie... | |
2nlun4 | how texting gloves work? | I've used them before and I'm using them now to text/check social media while waiting outside target but how do these gloves work? I mean it just seems like a different colored thread. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2nlun4/eli5_how_texting_gloves_work/ | {
"a_id": [
"cmeq3bc"
],
"score": [
4
],
"text": [
"The fingertips are conductive. The charge from your fingertips are transferred through the glove's fingertips and onto the touchscreen. The gloves do all of this in addition to keeping your hands warm and toasty. "
]
} | [] | [] | [
[]
] | |
dyp9zi | if plant-based burgers use 99% less water, take up 90% less land, and use 50% less energy than beef burgers to produce, why do they cost so much more to purchase? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dyp9zi/eli5_if_plantbased_burgers_use_99_less_water_take/ | {
"a_id": [
"f82i2vx",
"f82iytd",
"f82jt8f"
],
"score": [
19,
2,
8
],
"text": [
"Because a lot of the equipment is new and is operating at a much smaller scale due to the new and small market for these products. Economies of large scale haven't started.",
"There are cost issues... | [] | [] | [
[],
[],
[]
] | ||
b1960s | alcohol-free mouthwash kills some, but not all, bacteria in my mouth. doesn't using it cause antibiotic resistance? | This is analogous to this [ELI5 question](_URL_1_), but the answers there pertain to alcohol and thus don't pertain to my question here.
I list only the [Active Ingredients](_URL_0_), but please LMK if I ought list the Inactive ones too:
1. Eucalyptol 0.091% w/v
2. Thymol 0.063% w/v
3. Menthol 0.042% w/v
4. Sodium F... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b1960s/eli5_alcoholfree_mouthwash_kills_some_but_not_all/ | {
"a_id": [
"eikecn8"
],
"score": [
2
],
"text": [
"There are no antibiotics in it, why would it cause antibiotic resistance? Non alcoholic mouthwash contains usually CPC ([Cetylpyridinium chloride](_URL_0_)), which is simply a different antiseptic ingredient compared to alcohol. Theoretically bac... | [] | [
"https://www.listerine.ca/listerine-total-care-zero#active-ingredients",
"https://redd.it/44s60s"
] | [
[
"https://pubchem.ncbi.nlm.nih.gov/compound/cetylpyridinium_chloride"
]
] | |
5g3pp6 | is one atom (of a given element) indistinguishable from another? can an atom be abnormally distinguishable from another of its same element? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5g3pp6/eli5_is_one_atom_of_a_given_element/ | {
"a_id": [
"dap6zms",
"dap72dz"
],
"score": [
5,
18
],
"text": [
"Most of the time, yes, atoms of each element are indistinguishable.\n\nThere is a special case with isotopes, though. Elements are defined by the number of protons in the nucleus. You can substitute an atom with the same ... | [] | [] | [
[],
[]
] | ||
207gr2 | what happens to my brita filter when it is "expired?" does it really not work anymore? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/207gr2/eli5what_happens_to_my_brita_filter_when_it_is/ | {
"a_id": [
"cg0hv8g"
],
"score": [
3
],
"text": [
"Basically the carbon in the filter is no longer sticky enough to remove the nasty bits in the water"
]
} | [] | [] | [
[]
] | ||
d2ev1d | engineering question - compass | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/d2ev1d/eli5_engineering_question_compass/ | {
"a_id": [
"ezufqrw"
],
"score": [
4
],
"text": [
"In a surveyor's compass, the markings are on the compass, and the rotating needle is an indicator that points at one of the markings. In a prismatic compass the markings rotate on a round card and a special prism contains the indicator. By look... | [] | [] | [
[]
] | ||
62n0ln | this /r/place thing | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/62n0ln/eli5_this_rplace_thing/ | {
"a_id": [
"dfny0vr"
],
"score": [
2
],
"text": [
"Think of it like /r/thebutton. Every year, reddit does something silly and fun like this for April Fools Day. This is just this year's \"prank.\""
]
} | [] | [] | [
[]
] | ||
5yzjhz | if i keep my smartphone plugged in all the time, is that better for the battery life cycle than if i use it until it's 5% and then charge it back up? will keeping it plugged in all the time extend the life of my smartphone? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5yzjhz/eli5_if_i_keep_my_smartphone_plugged_in_all_the/ | {
"a_id": [
"deu3ams",
"deu4avu",
"deu5kej",
"deu6s83",
"deu82lr",
"deu9it7",
"deuaj0a"
],
"score": [
109,
4,
30,
4,
21,
2,
5
],
"text": [
"That's true, deep discharges are most damaging to a lithium-ion battery. Repeatedly running it low to almost z... | [] | [] | [
[
"http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries"
],
[],
[],
[],
[
"http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries"
],
[],
[]
] | ||
2mlyyg | michael brown and dillon taylor were both unarmed and shot by police within 2 days of each other. excluding race, why is the brown case generating more attention? | [Dillon Taylor](_URL_0_) was shot to death by police just two days after Michael Brown's death, yet there was very little media coverage. Because of this, I have a couple questions;
1.) Excluding skin color, are there any main differences as to why the Brown case is getting so much more media attention?
If the uproar... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2mlyyg/eli5_michael_brown_and_dillon_taylor_were_both/ | {
"a_id": [
"cm5gg69",
"cm5gkeq",
"cm5grmv"
],
"score": [
2,
3,
3
],
"text": [
"1) video is awesome. More and more departments are adopting cameras and I wouldn't be surprised if a mandate came out by the end of this decade. Also brown was already claiming the headlines\n\n2) Ther... | [] | [
"http://www.huffingtonpost.com/2014/10/01/dillon-taylor-shooting-justified_n_5912976.html"
] | [
[],
[],
[]
] | |
1k66po | individualism vs collectivism | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1k66po/eli5_individualism_vs_collectivism/ | {
"a_id": [
"cblrpam"
],
"score": [
2
],
"text": [
"Individualism and Collectivism are both political/social philosophies. Individualism emphasizes the importance of individual people, and argues for the benefit of the individual over the benefit of a group. Anarchy (no government) is an extreme I... | [] | [] | [
[]
] | ||
3lnbtu | if an internet provider promises a certain speed to its users, and connection tests show far worse than that speed, is there anything the customers can do about it? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3lnbtu/eli5_if_an_internet_provider_promises_a_certain/ | {
"a_id": [
"cv7o2n5",
"cv7o4yy",
"cv7o5p2",
"cv7oeoo"
],
"score": [
5,
5,
3,
14
],
"text": [
"This happened to me. I have like a 30mb/s plan and i was getting 2mb/s. So i just called them. They had me run some tests until they were satisfied that it was a problem on their ... | [] | [] | [
[],
[],
[],
[]
] | |
6amxk2 | why do things rot and where does it come from? | To my understanding, food and stuff rot mostly due to different kinds of fungi. This begs the question, what is the process? Is fungi slowly "rotting" food and it's not until a certain stage that we notice it or is there a point where the fungi start the process. One question I really want answered is where it comes fr... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6amxk2/eli5_why_do_things_rot_and_where_does_it_come_from/ | {
"a_id": [
"dhfsvbn",
"dhfsw3m",
"dhfu04x"
],
"score": [
2,
2,
3
],
"text": [
"Fungi spores are microscopic. Like bacteria, they can be kind of everywhere. So it's already on your food, but you don't see it until it has grown. ",
"Spores. Kinda like the eggs or seeds of mol... | [] | [] | [
[],
[],
[]
] | |
611zgp | how do we get a still picture of earth if it is rotating at 1000 miles/hour? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/611zgp/eli5_how_do_we_get_a_still_picture_of_earth_if_it/ | {
"a_id": [
"dfb108t",
"dfb1i2b",
"dfb1qwp",
"dfb5ccq"
],
"score": [
2,
2,
9,
2
],
"text": [
"short exposure time and very far away. Would you be able to tell a little blur in the clouds of earth in a photo taken from space? Not likely, not enough detail.\n\nIf you take a... | [] | [] | [
[],
[],
[
"https://en.wikipedia.org/wiki/Geostationary_orbit"
],
[]
] | ||
52stsu | how does a camera keep the subject the same size but appear to zoom in? | So I wasn't quite sure how to word this, but sometimes on TV during a dramatic moment it seems as though the camera is zooming in (the background gets closer) but the person talking appears to be the same size? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/52stsu/eli5_how_does_a_camera_keep_the_subject_the_same/ | {
"a_id": [
"d7mzj1t"
],
"score": [
2
],
"text": [
"It's called a [Dolly zoom](_URL_1_).\n\nThe way it works is that as the camera moves forward, the lens zooms out. They also work in reverse, where as the camera moves back, the operator zooms in. As long as the focus objects maintain their positi... | [] | [] | [
[
"https://vimeo.com/60047288",
"https://en.wikipedia.org/wiki/Dolly_zoom"
]
] | |
5v01xf | why do house gecko's have low awareness but move really fast. | I've notice many times that house gecko's seem to ignore the presence of humans near them or not notice them at all. So I was wondering what's the point of being able to move quickly if you can't even notice a predator or threat in the first place. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5v01xf/eli5_why_do_house_geckos_have_low_awareness_but/ | {
"a_id": [
"ddy6fft",
"ddy7ck5"
],
"score": [
3,
7
],
"text": [
"Who says they don't notice them?\n\nIf you can move that quickly, you can let a predator approach that much closer before running away, which means you spend less time running and more time doing gecko things. \n\n",
"Th... | [] | [] | [
[],
[]
] | |
1l8jih | insurance denial for pre-existing conditions | Why shouldn't insurance companies shouldn't be able to deny coverage for pre existing conditions? I understand that most insurance companies don't want this, but it seems counter intuitive to the whole concept of insurance. The company is basically making a "bet" that you will stay healthy, while you are getting insu... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1l8jih/eli5_insurance_denial_for_preexisting_conditions/ | {
"a_id": [
"cbwrnxb",
"cbwrs76"
],
"score": [
4,
2
],
"text": [
"Because if you can't get health insurance, you won't be able to pay for healthcare. Most people think that you ought to be able to pay for healthcare.",
"They have the power to offset that higher chance of risk with offs... | [] | [] | [
[],
[]
] | |
4yi6yv | when reading nutritional information labels what is the remaining weight made of? | When looking at any nutritional label there is a serving size which says how much it is. It then gives a break down of what that serving size consists of, protein, carbs, fats, vitamins, minerals and such.
Now I have yet to see a label where if you add up all those items weights does it equal the weight of the serving... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4yi6yv/eli5_when_reading_nutritional_information_labels/ | {
"a_id": [
"d6nw91r"
],
"score": [
9
],
"text": [
"Water it is. There is pretty much nothing else that could possibly be it. A very small percentage would be some technological additives like preservatives, colourants and stuff, but they usually are used in insignificant amounts (10s of mg/kg). O... | [] | [] | [
[]
] | |
2q8woo | how does password cracking work if websites don't let guess a lot of passwords? | How does password cracking work if you can only guess so many passwords on a website? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2q8woo/eli5_how_does_password_cracking_work_if_websites/ | {
"a_id": [
"cn3xsjz",
"cn3xu69"
],
"score": [
4,
14
],
"text": [
"hackers compromise the website file system or database that stores the passwords and extract that file out of the website.\n\nthen they can attempt passwords a million times without interruption ",
"You don't do a brute... | [] | [] | [
[],
[]
] | |
30e76i | what exactly is happening here? _url_0_ | _URL_0_ | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/30e76i/eli5_what_exactly_is_happening_here/ | {
"a_id": [
"cprl593"
],
"score": [
3
],
"text": [
"_URL_0_\n\nWhen you freeze mercury it resists magnetic fields. When it's in a strong magnetic field it \"pins\" the magnetism to small points in the metal. This causes the metal to hang in mid-air suspended by the \"pins\"."
]
} | [
"https://www.youtube.com/watch?v=Ws6AAhTw7RA"
] | [
"https://www.youtube.com/watch?v=Ws6AAhTw7RA"
] | [
[
"http://quantumlevitation.com/the-physics/"
]
] | |
6b2rjg | what happens to flies/insects if they enter your house and have no way out? | They chill and die?
They jack your food and make babies? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6b2rjg/eli5what_happens_to_fliesinsects_if_they_enter/ | {
"a_id": [
"dhjcdbl"
],
"score": [
3
],
"text": [
"Some like flies will feed, but most insects will generally fly toward light sources like windows and lights and gradually dehydrate. Most will be dead after a few days."
]
} | [] | [] | [
[]
] | |
m161l | exif data. | It gets talked about a lot on the internet, but I've never really gotten a clear explanation of what it *is*. All I really know is that it's data that's somehow connected/embedded in digital pictures. So what *is* EXIF data? Can it really be used to trace the location/photographer of any given picture? If that is the c... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/m161l/eli5_exif_data/ | {
"a_id": [
"c2x8cmv",
"c2x8cmv"
],
"score": [
8,
8
],
"text": [
"EXIF data is the digital information embedded into the photo by the camera when the picture is taken. It generally includes the make/model of the camera and the camera's settings like shutter speed, ISO setting, etc. Differe... | [] | [] | [
[
"http://regex.info/exif.cgi"
],
[
"http://regex.info/exif.cgi"
]
] | |
86gfoi | why do composers use the note cb when they could just use b? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/86gfoi/eli5_why_do_composers_use_the_note_cb_when_they/ | {
"a_id": [
"dw4v2nt",
"dw4vbke",
"dw4vmqo",
"dw4wcsf"
],
"score": [
19,
3,
4,
2
],
"text": [
"There are a few reasons to use the weirder notes like Cb, many of them about note/key relations, but that's getting into the weirder side of music theory. Here's a simpler exampl... | [] | [] | [
[],
[],
[],
[]
] | ||
1mou5x | how is cities in the desert like las vegas (or dubai) is supplied in water? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1mou5x/eli5_how_is_cities_in_the_desert_like_las_vegas/ | {
"a_id": [
"ccb7z6k",
"ccb7ztu",
"ccb80dj",
"ccb82ul",
"ccbakj0"
],
"score": [
2,
2,
3,
2,
2
],
"text": [
"Las Vegas gets its water from the Colorado River which, in turn, is fed by snow melt and precipitation from other--less arid--regions in the Rockies.\n\nLA ge... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Catskill_Aqueduct",
"http://en.wikipedia.org/wiki/Los_Angeles_Aqueduct"
],
[],
[
"http://environment.nationalgeographic.com/environment/photos/rivers-run-dry/"
],
[],
[
"http://www.thenational.ae/news/uae-news/uae-s-largest-power-and-desalination-plant-ope... | ||
t4y07 | how are the version numbers of patches and software decided? | For istance we've got Battlefield 2 with its first patch 1.45 and second patch 1.50. How does it work when diciding upon the patch number? Why skip the first 45 decimals, and after that, only five? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/t4y07/eli5_how_are_the_version_numbers_of_patches_and/ | {
"a_id": [
"c4jkid3",
"c4jkntc",
"c4jkusf",
"c4jl5tg"
],
"score": [
3,
2,
2,
9
],
"text": [
"Well *usually* you just go 1.44, 1.45, 1.46 etc. However, if it's a major release, developers will often push it to more of a landmark, such as 1.50. \n\nAlso, the 1.46-1.49 may ha... | [] | [] | [
[],
[],
[],
[]
] | |
dpgmty | why do lady bugs gather in corners on the wall? | Every fall I notice groups of lady bugs congregate in one or two corners up high on the wall. I just cleaned up 5 of them that were in the high corner in my bedroom all huddled together for a couple days without moving. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dpgmty/eli5_why_do_lady_bugs_gather_in_corners_on_the/ | {
"a_id": [
"f5vffsm"
],
"score": [
3
],
"text": [
"Their instinct as the temperatures get cooler is to climb up out of ground based danger and find a niche to hide in and go semi-dormant for the winter. In a room, a corner is about the best that they can do. Wasps, flies and many other insects do... | [] | [] | [
[]
] | |
1hjf0b | amy's baking company | I didn't understand what it was about when it became popular awhile back and I still don't now. Could someone please explain to me what the whole ordeal is? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1hjf0b/eli5_amys_baking_company/ | {
"a_id": [
"cauwtdy",
"cauxj8n"
],
"score": [
2,
2
],
"text": [
"Gordon Ramsay had a show called kitchen nightmares where he approaches a restaurant that is failing or underperforming and attempts to fix the problems. The show is mediocre at best with the typical reality tv show bullshit... | [] | [] | [
[],
[
"https://www.youtube.com/watch?v=3XjgHEctcy0"
]
] | |
47cu77 | why has the price of meat increased so much over the past 10 years or so? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/47cu77/eli5_why_has_the_price_of_meat_increased_so_much/ | {
"a_id": [
"d0bz4yo",
"d0c1t2y"
],
"score": [
4,
2
],
"text": [
"Feed has increased in price, transportation has increased in price, there is a lot more emphasis on humane raising of animals, which means more space, better feed, fewer antibiotics and hormones (more sick animals that can'... | [] | [] | [
[],
[]
] | ||
4m0eao | do your brain cells die and get replaced just like every other cell in your body? if so, how is the "data" held in these cells transferred so you do not lose everything you have learned/experienced? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4m0eao/eli5_do_your_brain_cells_die_and_get_replaced/ | {
"a_id": [
"d3rjc9a",
"d3rjywa",
"d3ry19x"
],
"score": [
3,
2,
2
],
"text": [
"First answer: \n\nThe human brain and spinal cord contain approximately 100 billion nerve cells. They are the only cells in the human body that do not regenerate. For example, human skin, liver and hear... | [] | [] | [
[
"http://www.ask.com/science/can-t-damaged-cell-brain-replaced-9356a3ee3ca9af35?qo=questionPageSimilarContent"
],
[],
[]
] | ||
d5z6px | if plants can die from over watering how do they survive heavy rainfall during monsoon? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/d5z6px/eli5_if_plants_can_die_from_over_watering_how_do/ | {
"a_id": [
"f0ot6sh",
"f0otn54"
],
"score": [
9,
6
],
"text": [
"The plants that are native to regions where heavy rainfall happens have adapted strategies to survive. Plants that can die from over watering are more likely to be from drier climates and don’t need as much water to flourish... | [] | [] | [
[],
[]
] | ||
bx7or0 | how do restaurants determine menu prices? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bx7or0/eli5_how_do_restaurants_determine_menu_prices/ | {
"a_id": [
"eq43bbc",
"eq45wjl"
],
"score": [
2,
2
],
"text": [
"(generalizations get off my nuts this does not include elitist places or local markups)\nRent 5k\nElectricity 1k\n3 employees paid (monthly) 7k\nAverage cost to owner of example meal (nothing special) 4.00\nNot including any... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Cost_accounting"
]
] | ||
6nndlo | how do cellular providers give consistent bandwidth to multiple users at one time while my wireless router gets slowed down with multiple users? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6nndlo/eli5_how_do_cellular_providers_give_consistent/ | {
"a_id": [
"dkarf90",
"dkasenn"
],
"score": [
5,
3
],
"text": [
"Your router has a set amount of bandwidth that it is getting from your internet provider, and a set amount of bandwidth the users on your end of the router can have in total.\n\nImagine you're distributing water. The pipe c... | [] | [] | [
[],
[]
] | ||
x5gfh | why does my throat hurt if i make certain sounds? | When I make some growling sounds, my throat starts to hurt. However, all I'm doing is passing air through tubes, so why does it hurt? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/x5gfh/why_does_my_throat_hurt_if_i_make_certain_sounds/ | {
"a_id": [
"c5jc0xl"
],
"score": [
4
],
"text": [
"The way you make sounds is passing air over vibrating vocal cords. When you make loud gutteral sounds your vocal cords have to work harder. They are like a muscle, if you work them too hard you can make them sore or even tear them. "
]
} | [] | [] | [
[]
] | |
2r9ef0 | if deleting a file on your computer doesn't actually delete it the how do anti virus programs delete viruses? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2r9ef0/eli5_if_deleting_a_file_on_your_computer_doesnt/ | {
"a_id": [
"cndop97",
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"score": [
2,
4
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"text": [
"You don't need to delete a virus, you just need to stop it from running, and stop it from re-running. That mostly means changing settings in your computer and ending processes.\n\nAnti-viruses DO delete the actual .exe file... | [] | [] | [
[],
[]
] | ||
3x1f75 | why does higher quality sound feel more distant? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3x1f75/eli5_why_does_higher_quality_sound_feel_more/ | {
"a_id": [
"cy0ogps"
],
"score": [
3
],
"text": [
"Haven't hear anyone describe it like that before. However, my best guess is that since the lower quality version is more heavily compressed, all the sounds sound more mashed together, whereas the less compressed (higher quality) version has more ... | [] | [] | [
[]
] | |
526x8f | how does something like samsung note 7 get through production and to consumers? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/526x8f/eli5how_does_something_like_samsung_note_7_get/ | {
"a_id": [
"d7htqbh"
],
"score": [
9
],
"text": [
"Under 40 units have actually caught fire out of the original 2.5 million units produced. That's around .0016%. Even the best QA processes can't expect to detect that percentage of defects."
]
} | [] | [] | [
[]
] | ||
exbnxv | what happens in the body when you get diarrhea - the first stool is for the most part a solid mass, a short time later the second stool is a complete explosion, 95% liquid and seems like twice as much excretive material as the first? | Having recently had the experience of being ambushed by this explosive experience in a fast food restaurant, I wondered how it could have taken over my bowels so quickly and created so much liquid. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/exbnxv/eli5_what_happens_in_the_body_when_you_get/ | {
"a_id": [
"fg7ap09",
"fg7bp1o"
],
"score": [
2,
7
],
"text": [
"Your large intestine is the last stage of your body extracting goodness from your food - in its case water. The water should go in to your body. If there is a problem with your lower intestine, it won't take the water from ... | [] | [] | [
[],
[]
] | |
7h7dhf | why do we naturally bend our knees while trying to walk silently? | Hi there, just wondering why do we do this instinctively, and is it even effective? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7h7dhf/eli5_why_do_we_naturally_bend_our_knees_while/ | {
"a_id": [
"dqoprgv",
"dqor1gn"
],
"score": [
15,
2
],
"text": [
"When we bend our knees, we get more balance. That added balance gives us more control over our movements, which helps us take quieter steps. Try walking quietly without bending your knees, it's gonna be hard. And even if yo... | [] | [] | [
[],
[]
] | |
5crqdp | if looks are subjective, why are the same people (like celebrities) considered attractive by so many people? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5crqdp/eli5_if_looks_are_subjective_why_are_the_same/ | {
"a_id": [
"d9yt941"
],
"score": [
3
],
"text": [
"There's the basic evolutionary stuff we're all born with that dictate who's \"beautiful\" based on preferred biological mating characteristics. A woman with good size breasts and hips is considered better from a biological stand point for procrea... | [] | [] | [
[]
] | ||
o8im1 | why people say the u.s. invaded iraq for the oil? | I thought it was nationalized? If they didn't invade for the oil, like people say, then why did they? I'm read then it was proven Iraq had almost no connections to al-queda. Was it truly because Iraq was a dictatorship? Thanks. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/o8im1/eli5_why_people_say_the_us_invaded_iraq_for_the/ | {
"a_id": [
"c3f8n3x",
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"c3f9y4x"
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"score": [
18,
4,
3,
6,
2,
2,
12
],
"text": [
"Halliburton is an oil company who won multi-million dollar contracts with the US military in Iraq. Dick Cheney w... | [] | [] | [
[],
[],
[],
[],
[
"www.commondreams.org/archive/2008/03/19/7760"
],
[],
[]
] | |
27bmf4 | if hair is supposed to be "dead", how does shampoo+conditioner+hair creams work in order to make "dull, life-ess hair" into smooth, shiny and silky? | I understand that hair is dead keratin biomaterial. But sometimes different aciditied (travelling to different countries) would make my hair really frizzy and rough as well as dull. Different shampoos/conditioners have different effects. Some work pretty well and other just suck. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/27bmf4/eli5if_hair_is_supposed_to_be_dead_how_does/ | {
"a_id": [
"chzaeax"
],
"score": [
2
],
"text": [
"You know how shoe polish and leather conditioner will make old shoes look new again while exposing them to water, mud, and sun light will make them deteriotr faster? Even though hair is not living, they could still benefit from adding more moistu... | [] | [] | [
[]
] | |
6jai2s | how are some bathroom exhaust fans very powerful, yet virtually silent? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6jai2s/eli5_how_are_some_bathroom_exhaust_fans_very/ | {
"a_id": [
"djcty0h",
"djczjhm",
"djd0bv7"
],
"score": [
2,
2,
2
],
"text": [
"There are two main ways to quiet a fan: design it better, and move the fan further away from the people.\n\nThe design includes things like the quality of the bearings, sound insulation on the housing, ... | [] | [] | [
[],
[],
[]
] | |
ap6xql | what caused chinese people to be really good at table tennis (ping pong) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ap6xql/eli5_what_caused_chinese_people_to_be_really_good/ | {
"a_id": [
"eg65xta"
],
"score": [
2
],
"text": [
"Decades of practice. Communist forces in the Chinese Civil War, circa 1930, were particular fans of the game, and it was likely promoted among the country as a way of celebrating individual achievement as a product of national unity.\n\nThat is t... | [] | [] | [
[]
] | ||
1urzp7 | how does a space shuttle can stop, maneuver and link it to the space station in an environment free of air resistance? | I was thinking about it and realized that I don't really understand how a space shuttle can stop the inertial force when it's already in the vacuum of space. And it gets even more confusing to see how perfectly they maneuver it and put it together with all the other coupling parts. How is it possible in the space? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1urzp7/eli5_how_does_a_space_shuttle_can_stop_maneuver/ | {
"a_id": [
"cel3i6z",
"cel3nv0",
"cel46it"
],
"score": [
7,
3,
2
],
"text": [
"It doesn't \"stop\", it just matches the motion of the station. They have little maneuvering thrusters that allow it to change its speed/orientation a little bit.",
"To move in the vacuum of space, ... | [] | [] | [
[],
[],
[]
] | |
7x6w9o | how were scientists able to take a photo of an atom? | Based upon the post [here.](_URL_0_) There were a lot of technical responses, but could somebody ELI5 how this was possible? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7x6w9o/eli5_how_were_scientists_able_to_take_a_photo_of/ | {
"a_id": [
"du607hb",
"du60ab2",
"du60ojy"
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"score": [
14,
22,
3
],
"text": [
"They took a slow exposure of a single atom that was emitting its own light. The slow exposure allowed it to capture lots of light that came from the single atom.\n\nThis is similar to how we take bett... | [] | [
"https://www.reddit.com/r/interestingasfuck/comments/7x4o27/picture_of_a_single_atom_wins_science_photo/?st=JDL55CN0&sh=cc22a7fa"
] | [
[],
[],
[
"https://en.wikipedia.org/wiki/IBM_(atoms)"
]
] | |
cjhztd | why do laser beams have "brighter dots"? | While using one of those green lasers in the dark I noticed some "brighter dots" in the beam, what is causing that? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cjhztd/eli5_why_do_laser_beams_have_brighter_dots/ | {
"a_id": [
"evdglo2",
"evdj4xm"
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"score": [
6,
3
],
"text": [
"The light is striking dust and other particulate matter in the air and therefore being scattered/reflected. Some gets reflected toward your eyes so you perceive those spots as brighter.",
"these are called \"speckles\" ... | [] | [] | [
[],
[]
] | |
116of3 | can someone explain to me why high-frequency trading is allowed? is there some economic benefit? | See this story - _URL_0_
How does HFT contribute to the economy beyond the investment banks? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/116of3/eli5_can_someone_explain_to_me_why_highfrequency/ | {
"a_id": [
"c6jsf3u",
"c6jss49",
"c6jtqt9"
],
"score": [
3,
2,
2
],
"text": [
"What do you mean, \"allowed\"? Why would the default be not allowing it?",
"The argument in their defense is liquidity. Open markets are how capitalism decides how useful capital will flow to source... | [] | [
"http://www.cnbc.com/id/49333454"
] | [
[],
[],
[]
] | |
ads08c | musicians and people who understand sound, why is it so much easier to tune an instrument up from below the desired note, even if the problem is that it's pitched too high/sharp? | I used to think this was because it was easier to control tightening than loosening a string, however my experience is the same with the fine tune pitch control on synthesizers. As with guitar, even if it is sharp I have to tune it down then back up to get it right. My partner says she has the same experience. Why is t... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ads08c/eli5_musicians_and_people_who_understand_sound/ | {
"a_id": [
"edjqzoz"
],
"score": [
8
],
"text": [
"The more tense the strings are, the more they resist additional tension. But when tuning down there are metastable States where in the string is not loosened as much as turning the key would imply. As a result it is difficult to hit the exact rig... | [] | [] | [
[]
] | |
3s4zph | why don't video games come out when they're finished? | Fallout 4 and every other game I want makes me ask this question everytime.
-When I mean "finished" I'm referring to the content on the game copies sent to stores and what is pre-downloaded through steam or xbox live. Not day 1 patches. The stores have the copies. The marketing for Fallout 4 or Halo 5 was well comple... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3s4zph/eli5_why_dont_video_games_come_out_when_theyre/ | {
"a_id": [
"cwu3g43",
"cwu3hgv",
"cwu3huq",
"cwu3q5t"
],
"score": [
6,
22,
2,
2
],
"text": [
"Because that would mean there is no time to do a successful marketing campaign that makes sure that the intended target audience not only knows that the game is coming out, but is... | [] | [] | [
[],
[],
[],
[]
] | |
89w5du | why are chocolate stains so hard to get out while other stains aren't? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/89w5du/eli5_why_are_chocolate_stains_so_hard_to_get_out/ | {
"a_id": [
"dwu72wu"
],
"score": [
3
],
"text": [
"Part of it is that chocolate is super dark, of course. It's also ground very fine too make, so it gets everywhere. And the bits that are not tiny teeny chocolate powder are brown cacao oil. So you've got those three things (each of them a hard ... | [] | [] | [
[]
] | ||
7ta03d | why do frozen objects stick to our skin? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7ta03d/eli5_why_do_frozen_objects_stick_to_our_skin/ | {
"a_id": [
"dtb10a2"
],
"score": [
2
],
"text": [
"Ice adheres to things it freezes on. If you want an example, add a drop of water to a piece of plastic, let it freeze, and then turn the plastic upside down: the ice is stuck to it.\n\nWhen you touch your tongue to something really cold the moist... | [] | [] | [
[]
] | ||
1jcddl | why when you are depressed alls you want to do is do stuff that makes you even more depressed? | Why is it when you're depressed you don't want to do anything at all, or do things that make you even worse? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1jcddl/why_when_you_are_depressed_alls_you_want_to_do_is/ | {
"a_id": [
"cbddp7l"
],
"score": [
3
],
"text": [
"Everybody likes to be right about stuff. It's that good feeling you get when you say Told you so! I saw that coming! Knew it right from the start!\nSo, let's say you're depressed, feeling not just sad but empty, as if you could never feel another... | [] | [] | [
[]
] | |
1vlc10 | how can i watch an hd video link intently on my phone but a gif can take anything up to a minute to fully load? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1vlc10/how_can_i_watch_an_hd_video_link_intently_on_my/ | {
"a_id": [
"cete56c",
"ceteam5",
"cetf19h"
],
"score": [
14,
3,
2
],
"text": [
"Enter [gfycat!](_URL_0_)\n\n > We built gfycat to solve a problem: gifs are awesome... but they suck. They are huge, slow, CPU burning, limited to the color space of 1987, they don't stream, and they c... | [] | [] | [
[
"http://gfycat.com/about"
],
[],
[]
] | ||
3b0l1t | why do you get a strange feeling in your pelvic/abdominal region when going up and down hills in a car? what causes it? | (Also I think it feels good...) | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3b0l1t/eli5_why_do_you_get_a_strange_feeling_in_your/ | {
"a_id": [
"cshtqzg"
],
"score": [
7
],
"text": [
"I wouldn't normally answer this because I don't know for sure, but for some reason all the other comments are irrelevant and downvoted to oblivion.\n\nI would assume that it's just your organs moving in response to the difference in gravity. When... | [] | [] | [
[]
] | |
6bjxwp | william of orange. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6bjxwp/eli5_william_of_orange/ | {
"a_id": [
"dhn9cf3"
],
"score": [
2
],
"text": [
"William of Orange's great grandfather, also named William but known as William the Silent lived during a period of dramatic change in Europe. It was the Protestant Reformation, and most of Northern Europe was converting, which resulted in massiv... | [] | [] | [
[]
] | ||
awlugz | solar cell's "band gap". | So, I realize this may be a little past the scope of a 5 year old, but I think it's more about the spirit of the subreddit.
I'm looking to get a layman's understanding of the "band gap" phenomenon that limits a solar cell's ability to obtain energy from wavelengths of light. I've got a basic grasp of the concept so... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/awlugz/eli5_solar_cells_band_gap/ | {
"a_id": [
"ehnh7p8"
],
"score": [
2
],
"text": [
"Solar cells have a \"junction\" in them, its where a piece of silicon with a lot of electrons meets a piece with less than normal.\n\nEach side of this junction has a band of energies that the electrons are sitting at, but one side has them at a ... | [] | [] | [
[]
] | |
1d9nwp | how do cameras make things seem bigger than they are in real life without losing any quality? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1d9nwp/eli5_how_do_cameras_make_things_seem_bigger_than/ | {
"a_id": [
"c9obfcb"
],
"score": [
3
],
"text": [
"Do you mean how a camera can take a photo of an apple that you can print out to be 2' by 2'? It all has to do with resolution. If you stand a few feet away from the Apple you won't be able to see as many details in that apple as your camera will ... | [] | [] | [
[]
] | ||
3ql5cx | why are some people so bad/good at accents/mimicry? | I think I'm a passable mimic/accent imitator and it seems simple. You hear a manner of speaking and you imitate it. I wouldn't be able to explain to someone how, you just do it. So why can some people do it very well and why are some people really incredibly woeful at it? Is there an explanation for this apparent talen... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3ql5cx/eli5_why_are_some_people_so_badgood_at/ | {
"a_id": [
"cwg6ezi"
],
"score": [
3
],
"text": [
"A few factors I guess; longer exposure to a culture and it's habits, being a phonic learner, a generally good ability to pronounce words, and a solid understanding of different language structures. \n\nAn understanding language structure makes t... | [] | [] | [
[]
] | |
3n5fs7 | why do you need to stay warm when you are sick (have a cold) if your temperature rising is a bad thing? | I'm sick right now, why do I need to be bundled up! | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3n5fs7/eli5_why_do_you_need_to_stay_warm_when_you_are/ | {
"a_id": [
"cvkyxds",
"cvkyz94"
],
"score": [
2,
2
],
"text": [
"Temperature rising isn't necessarily a bad thing, and there is [some evidence](_URL_0_) that fevers help reduce the duration of colds and the like.\n\nPersonally it seems that way to me, but I'm OK with sweating it out havin... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Fever#Usefulness"
],
[]
] | |
1ejg9i | common-law marriages. are people who live together automatically common-law married? | This question refers to the United States and elsewhere. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ejg9i/eli5_commonlaw_marriages_are_people_who_live/ | {
"a_id": [
"ca0ttgb",
"ca0ud32"
],
"score": [
2,
4
],
"text": [
"[It depends on where you are](_URL_0_).",
"Short answer: no. \n\nLong answer: Not all states allow common law marriage; only a handful do anymore (see the [wiki link ameoba posted](_URL_0_) if you want to know which do).... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Common-law_marriage#United_States"
],
[
"http://www.reddit.com/r/explainlikeimfive/comments/1ejg9i/eli5_commonlaw_marriages_are_people_who_live/ca0ttgb"
]
] | |
4uowlx | why do we use water for steam in turbine-based generators, such as with nuclear or coal power? why not use a liquid that evaporates at a lower temperature, like methanol? | Edit: or any substance with a lower evaporation point, really. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4uowlx/eli5_why_do_we_use_water_for_steam_in/ | {
"a_id": [
"d5ri0i4",
"d5rjhun",
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"d5rk5ci"
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"score": [
16,
5,
3,
2
],
"text": [
"Water vapor has uniquely good heat capacity. You can make it super hot at high pressure, and then get almost all of that energy back through expansion. It is also completely saf... | [] | [] | [
[],
[],
[],
[
"www.greenoptimistic.com/31-efficient-stirling-engines-used-to-convert-1-5mw-of-arizona-solar-power-20100102/#.V5eAM4r3bCQ"
]
] | |
1r26zb | does an engine use twice as much fuel at 4000 rpm than it does at 2000 rpm? | Thanks for all the reply's. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1r26zb/eli5_does_an_engine_use_twice_as_much_fuel_at/ | {
"a_id": [
"cdit1hq",
"cdit6tv",
"cdiutd1"
],
"score": [
9,
2,
3
],
"text": [
"If the same amount of air (and therefore fuel) is drawn into the engine on each revolution, then yes.\n\nNow, imagine you're driving at 50mph, at 2000rpm. You shift down a couple of gears, so you're doi... | [] | [] | [
[],
[],
[]
] | |
2u7978 | how would potential employers differentiate whether on not someone's social media account is mine when we have the same name?! | I'm applying to become a police officer and they do in depth background checks. One of the things they do is Google your name and look at any potential social media accounts of yours. When I Google'd my name a guy white guy (I am also a white guy) with the same name as me comes up. Keep in mind I have no social media p... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2u7978/eli5_how_would_potential_employers_differentiate/ | {
"a_id": [
"co5qs9g",
"co5r3g6",
"co5r58s",
"co5rdlb"
],
"score": [
2,
2,
2,
2
],
"text": [
"If you have a common name, then hopefully they'll think of that. Or if you live in different locations (assuming he has a location listed) it should be clear. If your name is somet... | [] | [] | [
[],
[],
[],
[]
] | |
34zpzv | why do home air conditioners have to suck air from outside? why can't they suck air from inside and just make that air cold? | I just installed an AC window unit today. I have a better spot for it inside my apartment rather than the window that it's in.
Edit: Thank you all! Did not know about the exhaust and the dripping water. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/34zpzv/eli5_why_do_home_air_conditioners_have_to_suck/ | {
"a_id": [
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"cqzlfbs",
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"score": [
7,
3,
9,
5,
2,
2,
2,
3,
2,
2,
2
],
"text": [
"Because they need to 'dump... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[
"http://www.ajmadison.com/cgi-bin/ajmadison/LP0814WNR.html?mv_pc=gg_pla&st-t=googlepla&utm_source=google&utm_medium=adwords&utm_campaign=pla&utm_term=&gclid=CjwKEAjw1KGqBRC55bru-sa7zCcSJAAxsBf5vm9Yx0il9SllXC1wR0yuzBpLCrUw8eBK23TjQ2JDoxoCDC_w_wc... | |
3wv845 | if our stomach acid is strong enough to digest razor blades, why can't we digest corn? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3wv845/eli5_if_our_stomach_acid_is_strong_enough_to/ | {
"a_id": [
"cxzd07u",
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"cxzigyo",
"cxzjih4"
],
"score": [
67,
17,
12,
2,
9,
2,
2
],
"text": [
"There's something in plants called cellulose. We know it as \"fiber.\" We can't digest all types of fiber. A lo... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | ||
3l6b70 | how do braille signs tell people which button to press in emergencies? | e.g. In an elevator there is a bank of floor number buttons and a red emergency button. How would a blind person distinguish between them? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3l6b70/eli5_how_do_braille_signs_tell_people_which/ | {
"a_id": [
"cv3i4k9"
],
"score": [
3
],
"text": [
"By reading the braille, I'm missing why you think they couldn't label the emergency buttons"
]
} | [] | [] | [
[]
] | |
9elad9 | how does conversion of food into energy in our bodies work? how can ~500 grams of food sustain an ~80 kg human for approximately 6-8 hours? | Are our bodies that efficient? Or is there more energy in the food than it looks like there is? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9elad9/eli5_how_does_conversion_of_food_into_energy_in/ | {
"a_id": [
"e5pqjhj"
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"score": [
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],
"text": [
"* It's like how a gallon of gas can move a 2000 pound car for 30 miles. Or it's like how a full glass of water just needs enough extra water added to account for evaporation. You aren't growing a whole human with the extra energy. All you're doin... | [] | [] | [
[
"https://upload.wikimedia.org/wikipedia/commons/a/a8/Human_Metabolism_-_Pathways.jpg"
]
] |
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