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 |
|---|---|---|---|---|---|---|---|---|---|
bx5vym | how does "nuclear power" power a submarine? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bx5vym/eli5_how_does_nuclear_power_power_a_submarine/ | {
"a_id": [
"eq3mfn6",
"eq3mfzb",
"eq3mgd6",
"eq3mko8"
],
"score": [
15,
2,
6,
2
],
"text": [
"nuclear power in its essence, is really just steam power.\n\nNuclear reactions create heat, that heat is then used to heat up some water, and that water is turned to steam which t... | [] | [] | [
[],
[
"https://np.reddit.com/r/explainlikeimfive/comments/3dxt5o/eli5_nuclear_powered_submarines_how_do_they_work/",
"https://np.reddit.com/r/explainlikeimfive/comments/3cl71e/eli5_nuclear_submarine_engines/",
"https://np.reddit.com/r/explainlikeimfive/comments/6h2cx4/eli5how_do_nuclear_powered_vehicl... | |
1w2wjr | why do we use chapstick on dry lips but not on dry skin? what's the difference between lotion and chapstick? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1w2wjr/eli5_why_do_we_use_chapstick_on_dry_lips_but_not/ | {
"a_id": [
"cey71a8",
"cey8k7s"
],
"score": [
2,
3
],
"text": [
"You can use chapstick on dry skin. There are products called lotion bars that are essentially the same thing as a lip balm. They are just solid lotions. ",
"Lotion absorbs more quickly to moisturize, while Chapstick is f... | [] | [] | [
[],
[]
] | ||
3r2arj | why don't planes have some sort of parachutes or other slowing mechanisms to stop a crash from being deadly? (parachutes attached to the exterior of the plane, i mean. and/or some extending plates to slow it down.) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3r2arj/eli5_why_dont_planes_have_some_sort_of_parachutes/ | {
"a_id": [
"cwk9zt3",
"cwka23t",
"cwka4b2",
"cwka4pe",
"cwkanji",
"cwkaoj9"
],
"score": [
4,
3,
3,
2,
3,
2
],
"text": [
"This very innovation is available for light aircraft - only last month it saved the life (and plane) of a forward-looking human being.",... | [] | [] | [
[],
[],
[],
[],
[
"http://cirrusaircraft.com/flight-training/caps-training/"
],
[
"https://youtu.be/3luz4tIlSN0"
]
] | ||
2t7nwd | how does a sniper rifle shoot where the scope points even if its mounted above the rifle. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2t7nwd/eli5_how_does_a_sniper_rifle_shoot_where_the/ | {
"a_id": [
"cnwgqa2",
"cnwgqsp",
"cnwgs9e",
"cnwgssn",
"cnwgsvt",
"cnwgyyh",
"cnwh9rq",
"cnwikgy",
"cnwmeod",
"cnwnu97",
"cnwpmu3",
"cnwppw4",
"cnwrob9",
"cnx0gcx",
"cnx4pbk",
"cnx6maw",
"cnx6svq",
"cnx9vsq",
"cnxbka8"
],
"score": [
... | [] | [] | [
[],
[],
[],
[],
[
"http://samdubery.files.wordpress.com/2010/02/sniper_scope.jpg"
],
[
"http://img718.imageshack.us/img718/9097/trajectorylessonresized.png"
],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[
"http://blog.gunlink.info/wp-content/uploads/2014/05/Pistol_Zero.j... | ||
4vabua | why does our government use email? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4vabua/eli5_why_does_our_government_use_email/ | {
"a_id": [
"d5ws283",
"d5wsq6g"
],
"score": [
3,
8
],
"text": [
"Because email is faster than sending a memo or letter, and it allows for disjointed communications so that people do not have to have free time at the same time like phone calls do. No there is not a better way. \n\nAlso e-m... | [] | [] | [
[],
[]
] | ||
3uboo0 | why are russia and america still enemies (or at least adversaries) 25 years after the cold war supposedly ended? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3uboo0/eli5_why_are_russia_and_america_still_enemies_or/ | {
"a_id": [
"cxdk2ou",
"cxdta51"
],
"score": [
3,
3
],
"text": [
"Because it did not really end. \n\nRussia is still our primary rival economically and militarily and we still have conflicting interests internationally. ",
"(Russians) Besides the obvious personal ambitions of the polit... | [] | [] | [
[],
[]
] | ||
2x1edl | saw this pic on r/pics. what would cause the water to freeze in this pyramid shape? | _URL_0_ | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2x1edl/eli5_saw_this_pic_on_rpics_what_would_cause_the/ | {
"a_id": [
"cow0wxn"
],
"score": [
5
],
"text": [
"Those are ice crystals. The atomic structure of water defines the angles of the crystals which form, depending on the repeating pattern which is stable at that temperature and pressure."
]
} | [] | [
"http://i.imgur.com/WwudSfM.jpg"
] | [
[]
] | |
3g7vmd | what does fluoride actually do to our bodies in small and large amounts? | The studies of older times that showed cancer rate hikes seem to only apply to people living in areas with fluoridated water, which seems like high intakes compared to what we intake through toothpaste use. [There are also recent studies](_URL_0_) showing differences in IQ in children when comparing fluoridated water a... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3g7vmd/eli5what_does_fluoride_actually_do_to_our_bodies/ | {
"a_id": [
"ctvp0fy"
],
"score": [
6
],
"text": [
"Just a clarification: the study that you linked to is looking at areas with high fluoride content in their water supply such occurs naturally, not fluoridated city water supplies."
]
} | [] | [
"http://www.huffingtonpost.com/dr-mercola/fluoride_b_2479833.html"
] | [
[]
] | |
3kgnqv | why do so many vegetables taste sweeter when uncooked? | So many vegetables like bell peppers, peas, corn, beans taste so much sweeter and more full of flavor when raw and when they become cooked they seem to lose that sweetness. Is this only something I notice? If it is true why is it happening? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3kgnqv/eli5why_do_so_many_vegetables_taste_sweeter_when/ | {
"a_id": [
"cux8fnc"
],
"score": [
2
],
"text": [
"Sometimes certain flavor chemicals change composition during cooking, but most of the time it's just that cooking makes most flavors dissolve in to water.\n\nBy using broth that is already full of dissolved molecules, a lot more flavors can stay ... | [] | [] | [
[]
] | |
5pzlo5 | school vouchers, school choice, and possible effects on public and private education. | Who gets a voucher? How is this decided? Do the vouchers cover the entire cost of school for all children in a family? How are we going to cover the cost of these vouchers? What do vouchers mean for public education? What do they mean for private education?
All I keep hearing are the words "school voucher" and "schoo... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5pzlo5/eli5_school_vouchers_school_choice_and_possible/ | {
"a_id": [
"dcv3ibl"
],
"score": [
2
],
"text": [
"Some places already do it, but generally what happens is the town/your locality is already running public schools, and they just take the cost of public school and divide it by the the students to get a dollar figure per student, if your child is... | [] | [] | [
[]
] | |
3ix0z9 | why do tv channels often show feature films twice in a row? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3ix0z9/eli5_why_do_tv_channels_often_show_feature_films/ | {
"a_id": [
"cukdwnn",
"cukealv",
"cukg11k"
],
"score": [
9,
3,
2
],
"text": [
"People will come in partway though the movie, watch it to the end, and then want to watch the beginning to see what they missed.\n\nThis honestly sounds like one of the things I'm going to be asked abou... | [] | [] | [
[],
[],
[]
] | ||
p1fwo | new google terms of service. | Google has been spamming my e-mail and such about some new terms of service that apparently very important. Can someone take all the smoke and mirrors out of this and tell me what it really means for us? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/p1fwo/eli5_new_google_terms_of_service/ | {
"a_id": [
"c3lq4a1",
"c3lrhyg",
"c3lshc1"
],
"score": [
13,
142,
6
],
"text": [
"60 TOS -- > 1 TOS\n\nedited for elaboration.",
"It's simple. They took ~60 Terms of Services (each with it's own nuances) and combined them into a single Terms of Service. What it means for a ... | [] | [] | [
[],
[],
[]
] | |
25q6gl | how many wars are the us currently in, with whom and why? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/25q6gl/eli5_how_many_wars_are_the_us_currently_in_with/ | {
"a_id": [
"chjqmao",
"chjsnhx",
"chjuyiq"
],
"score": [
5,
2,
2
],
"text": [
"It really depends on how you define \"war\".\n\nIf you want to go by locations where troops are stationed and receive imminent danger pay and combat-zone tax relief, here is a list as of 2013:\n\n_URL_0... | [] | [] | [
[
"http://projects.militarytimes.com/pay-charts/2013/imminent-danger/"
],
[],
[]
] | ||
1snd00 | how diesel/gas generators create electricity. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1snd00/eli5_how_dieselgas_generators_create_electricity/ | {
"a_id": [
"cdzabso",
"cdzal7g"
],
"score": [
3,
2
],
"text": [
"So electricity can be generated in many ways. The most popular method is by converting mechanical energy into electrical energy. So in essence, converting motion into electricity, such as turning a crank or spinning a turb... | [] | [] | [
[],
[]
] | ||
3ru4w8 | what does "good posture" actually do, if anything? | And what defines good posture, or what posture is good? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3ru4w8/eli5_what_does_good_posture_actually_do_if/ | {
"a_id": [
"cwrcz2g",
"cwrd1ar",
"cwrd2v3",
"cwreq8g",
"cwrfk06",
"cwrh6ao",
"cwrjogp"
],
"score": [
3,
10,
2,
2,
41,
4,
3
],
"text": [
"Good posture can actually increase self esteem significantly, and is good for the back. (E.g. the superman pose ... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | |
3148fn | why do vitamin pills smell so awful? | Most tubs of supposedly healthy vitamins or other supplements stink when you take the lid off. Why? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3148fn/eli5_why_do_vitamin_pills_smell_so_awful/ | {
"a_id": [
"cpya70t",
"cpyh722",
"cpyhogx",
"cpylgm7"
],
"score": [
11,
4,
3,
3
],
"text": [
"What all is on the label?\n\nMost vitamins don't smell too bad by themselves. Some things, like Choline or L-Carnitine have a pungent fishy smell. As do any omega 3/6/9 products, ... | [] | [] | [
[],
[],
[],
[]
] | |
kkl9e | fingerprints | How are they formed? Why are they all different? Why dont they change? Anything else on the matter is great. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/kkl9e/eli5_fingerprints/ | {
"a_id": [
"c2l0e4x",
"c2l0e4x"
],
"score": [
5,
5
],
"text": [
"Fingerprints are formed during foetal development, when the skin of your fingers are just starting to grow. The fingers grow _volar pads_, which assert pressure on the developing skin. As a result, you get these contours tha... | [] | [] | [
[],
[]
] | |
daa3mn | why does cycling, as a sport, and russia, as a country, have such a big issue with doping? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/daa3mn/eli5_why_does_cycling_as_a_sport_and_russia_as_a/ | {
"a_id": [
"f1oc205"
],
"score": [
5
],
"text": [
"The real reason is that they do a lot of testing. (talking about cycling, not russia). Most major sports (soccer, football, hockey etc) have comparatively minimal testing, which is fairly easy to beat if you know what you're doing. Cycling appear... | [] | [] | [
[]
] | ||
4fpp5g | why have some civilizations developed into modern societies while others haven't? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4fpp5g/eli5_why_have_some_civilizations_developed_into/ | {
"a_id": [
"d2awrul",
"d2ax6ss",
"d2axj65",
"d2ay7pb"
],
"score": [
5,
3,
2,
2
],
"text": [
"Most people copy ideas. If the tribe A comes up with a good idea, then tribe B next door will copy it. Or tribe A's good idea may make it powerful enough to conquer tribe B and for... | [] | [] | [
[],
[
"https://www.youtube.com/watch?v=QwZ4s8Fsv94&list=PLhzqSO983AmHwWvGwccC46gs0SNObwnZX"
],
[
"https://www.youtube.com/playlist?list=PL8dPuuaLjXtNjasccl-WajpONGX3zoY4M",
"https://www.youtube.com/watch?v=wOmjnioNulo"
],
[]
] | ||
9sab1j | at what point in history did business cycle start happening and can we permanently stop this cycle | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9sab1j/eli5_at_what_point_in_history_did_business_cycle/ | {
"a_id": [
"e8nd0jk"
],
"score": [
2
],
"text": [
"The business cycle was official recognized as a term in 1946. It's existence in modern form stems to the dawn of modern economic theory, to which there's no good start date. Adam Smith is one possible landmark, or you can go back further to the d... | [] | [] | [
[]
] | ||
28o7r7 | why are there so many 3rd party amazon sellers that charge far too much that anyone would ever buy it? | Is it a front, bad algorithms or something else? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/28o7r7/eli5_why_are_there_so_many_3rd_party_amazon/ | {
"a_id": [
"cicszj8"
],
"score": [
4
],
"text": [
"I've seen this, too. My best guess is that they're using Amazon to launder money or something illicit like that."
]
} | [] | [] | [
[]
] | |
6nf46x | how does my sugar free peanut butter tastes exactly the same , compared to the one with sugar content in it | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6nf46x/eli5how_does_my_sugar_free_peanut_butter_tastes/ | {
"a_id": [
"dk8zhdv"
],
"score": [
4
],
"text": [
"Because it's probably full of artificial sweeteners instead of sugar. Since peanuts have a strong flavour (compared to sugar especially), it's likely that you wouldn't be able to discern the difference between sugar and sweeteners in your peanut ... | [] | [] | [
[]
] | ||
58esp7 | why can't the government impose a fixed income tax percentage? | I know I'm paying a fairly high percentage. Why do the people with the most money end up paying so little income tax? Or is this just a media misconception? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/58esp7/eli5_why_cant_the_government_impose_a_fixed/ | {
"a_id": [
"d8zup37",
"d8zuutp",
"d8zxz1l",
"d8zyv1t",
"d8zyzef",
"d900bsp",
"d900vze",
"d90550k",
"d90n3s7"
],
"score": [
3,
7,
5,
3,
2,
2,
2,
2,
2
],
"text": [
"Because they are able to take advantage of tax breaks and also split u... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[
"https://en.wikipedia.org/wiki/Buffett_Rule"
]
] | |
2rt9pg | how do aux cords work? | How does an aux cord get music from my phone to my headphones/earbuds? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2rt9pg/eli5_how_do_aux_cords_work/ | {
"a_id": [
"cnj1syl",
"cnj2z7x"
],
"score": [
3,
3
],
"text": [
"Your phone converts the digital files to analog, those signals connect to the headphone jack, travel up the cable, and the magnets in the speakers play the music accordingly.",
"Your phone stores the music in memory as a... | [] | [] | [
[],
[]
] | |
1smmw0 | dual core , quad core , octa core , what does it really mean ? | What do cores indicate basically ? And how does having a more - 'cored' CPU affect a computers performace ? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1smmw0/eli5dual_core_quad_core_octa_core_what_does_it/ | {
"a_id": [
"cdz2lq9",
"cdz2z57",
"cdz5edq"
],
"score": [
3,
18,
2
],
"text": [
"The higher the performance of your CPU, the more heat it will generate.\nBecause of this we hit a bump a few years back at around 4 gHz where things were jsut getting to hot if we increase the performa... | [] | [] | [
[],
[],
[]
] | |
kcm0a | moral relativism | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/kcm0a/eli5_moral_relativism/ | {
"a_id": [
"c2j79cg",
"c2j7afc",
"c2j79cg",
"c2j7afc"
],
"score": [
4,
3,
4,
3
],
"text": [
"How do we best answer the question 'what is moral?' Many people would say that religious belief determines correct action. But since this religious belief is based on faith or su... | [] | [] | [
[],
[],
[],
[]
] | ||
2dgnp3 | what is happening physiologically when i wake up from being startled in a dream? | Had a dream last night in which I was lying in bed, and someone woke me up by grabbing my foot. I yelled in the dream, and woke up for real (no one was actually there, thankfully!). What causes this? Is it adrenaline? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2dgnp3/eli5_what_is_happening_physiologically_when_i/ | {
"a_id": [
"cjpcjkh",
"cjpiqw8"
],
"score": [
2,
2
],
"text": [
"I remember reading about this once upon a time. It's something about how when you fall asleep, your body regulates your heart rate to fall drastically, and sometimes it happens when you're not fully asleep, so your body give... | [] | [] | [
[],
[]
] | |
6kwgal | why do airlines serve drinks in such spill-prone cups? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6kwgal/eli5_why_do_airlines_serve_drinks_in_such/ | {
"a_id": [
"djpb12e",
"djpdqzo"
],
"score": [
4,
2
],
"text": [
"It isn't terribly spillable. The only alternative design would be straight-up edges, which is harder and more expensive to produce, or a wide bottom narrow top, which is hard to drink from. Also in my experience the attendan... | [] | [] | [
[],
[]
] | ||
3w7vrn | why are gambling odds for things like boxing matches considered to be accurate? | You can't exactly quantify odds in boxing or whatnot like you can with a game of cards, and it would be in the bookmaker's favor to give shorter odds on the more unlikely fighter, or longer odds on the better fighter.
So, when looking at odds for things that can't be mathematically calculated, why are they considered ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3w7vrn/eli5_why_are_gambling_odds_for_things_like_boxing/ | {
"a_id": [
"cxu103a",
"cxu1ls4"
],
"score": [
8,
4
],
"text": [
"The bookmaker doesn't care that they have accurate odds, they care that they make money no matter who wins the fight. The odds are set so that the side with more money wagered on it has shorter odds, such that no matter whi... | [] | [] | [
[],
[]
] | |
6d9m2p | how do 'most wanted terrorist/poi' rewards work or get redeemed? | We always see those wanted posters for terrorist ring leaders that offer millions in rewards money for any '[Information leading directly to arrest](_URL_0_)'.
My question is: who do you call? How will they take you seriously? How is this not obviously a trap for accomplices who aren't particularly loyal? Is this a no ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6d9m2p/eli5_how_do_most_wanted_terroristpoi_rewards_work/ | {
"a_id": [
"di0xt1u"
],
"score": [
2
],
"text": [
"The phone number to call is the police agency that has jurisdiction. In big cases that's usually the field office of the FBI, DEA or other big 3 letter agency. Besides...news agencies don't publish that unless they get it from a federal source... | [] | [
"http://i.dailymail.co.uk/i/pix/2017/05/25/09/40C4C27700000578-0-image-a-11_1495699413087.jpg"
] | [
[]
] | |
4n90ln | is there a psychological disorder that protects the mind that cancels out bad memories for the well-being of the individual? | I apologies if this isn't the right place, in /r/psychology infinite knowledge, i can't ask there.
| explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4n90ln/eli5_is_there_a_psychological_disorder_that/ | {
"a_id": [
"d41vz4t",
"d41xw9h"
],
"score": [
3,
2
],
"text": [
"A big idea in psychology is the idea of repression, a term coined by Freud. Basically, the belief is that when we experiences a traumatic event, or sometimes even just something that makes us upset or uncomfortable to think ... | [] | [] | [
[],
[]
] | |
1jvlb2 | how is it that many companies "operate at a loss"? why continue to operate if the company is simply losing money? | One of the reddit admin's made a post about dispellling common reddit myths and rumors, and [posted this screenshot:](_URL_0_)
Why would reddit continue to function, even though they are losing money? Where does the money come from? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1jvlb2/eli5_how_is_it_that_many_companies_operate_at_a/ | {
"a_id": [
"cbipgpw",
"cbipgri",
"cbiphaj",
"cbiplb3",
"cbiq9m0",
"cbirafr",
"cbirbh2",
"cbitaey"
],
"score": [
13,
17,
2,
23,
3,
2,
9,
2
],
"text": [
"Lots of companies in their infancy lose money. However, the founders/owners may think tha... | [] | [
"http://imgur.com/gmFGUVD"
] | [
[],
[],
[],
[],
[],
[],
[],
[]
] | |
3sui4y | what is islamic state's endgame? | I get the terror part. I get they want to anger us into a war that accidentally kills some innocent Muslims. I get that it would make some moderate Muslims mad at us. Then what? What's the middle part that happens before them taking over the world and either killing us or making us their slaves? What can they possibly ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3sui4y/eli5_what_is_islamic_states_endgame/ | {
"a_id": [
"cx0hkaz",
"cx0i5ol",
"cx0ib93",
"cx0ib94",
"cx0j8p5",
"cx0jdw0",
"cx0o3im",
"cx0p9p4",
"cx0t0t4",
"cx0vepi",
"cx0yh1g"
],
"score": [
6,
10,
4,
51,
4,
6,
4,
4,
3,
2,
2
],
"text": [
"Theyve gone from this sm... | [] | [] | [
[],
[],
[],
[
"https://en.wikipedia.org/wiki/Islamic_State_of_Iraq_and_the_Levant#November_2015",
"https://en.wikipedia.org/wiki/Sunni_Islam",
"https://en.wikipedia.org/wiki/Islamic_State_of_Iraq_and_the_Levant#Goals",
"https://en.wikipedia.org/wiki/Caliphate"
],
[
"https://www.quora.c... | |
5t2gnk | why do most of the 4-leg robots (see: boston dynamics) have their knees look backwards? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5t2gnk/eli5_why_do_most_of_the_4leg_robots_see_boston/ | {
"a_id": [
"ddjm0zq",
"ddjorz0"
],
"score": [
3,
39
],
"text": [
"\"Backwards\" is in the eye of the beholder. A horse has two sets of knees and the front ones operate the opposite of the back ones. Which one is \"backwards?\".",
"Because they are not knee, they are Ankles.\n\nThe r... | [] | [] | [
[],
[]
] | ||
1xjko2 | how does steam power work? how does it compare with other methods in terms of efficiency/environmental cost? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1xjko2/eli5_how_does_steam_power_work_how_does_it/ | {
"a_id": [
"cfbwraq",
"cfbwry3",
"cfbznp3"
],
"score": [
2,
4,
2
],
"text": [
"When water is heated, it turns to steam. But steam is much, much bigger than water, and it expands with a huge amount of force. This force can be used to do useful things. In a typical steam engine, it ... | [] | [] | [
[],
[],
[]
] | ||
d67o5u | how does infinity work with regards to decimals? | If I start at 1 and my goal is to get to 2, I could move to 1.1 and be a little bit closer to 2. Then move to 1.11, and be even closer. Then 1.111, so on and so forth. I understand that with each move, the step forward is smaller than the previous one. But it's moving forward nonetheless. How is it that I can forever m... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/d67o5u/eli5_how_does_infinity_work_with_regards_to/ | {
"a_id": [
"f0qjvgg",
"f0qjxje",
"f0qkk5x",
"f0rsj2r"
],
"score": [
3,
5,
2,
2
],
"text": [
"Because each step is smaller. your first step is 0.1, then 0.01, then 0.001 and so on, eventually the step is infinitely small. This is a good example of the key difference betwe... | [] | [] | [
[],
[],
[
"https://en.wikipedia.org/wiki/Zeno%27s_paradoxes",
"https://en.wikipedia.org/wiki/Harmonic_sum#Alternating_harmonic_series"
],
[]
] | |
nlnrc | how do you go about homebrewing beer? | Inspired by the explanation of the different types of beer... _URL_0_ ...
I am a beer snob who lives in Ecuador. Ecuador has terrible beer so a group of gringo expats here has decided to homebrew. The problem is that I did this a few times when I was in my early 20s, and it never turned out well. And, I am one of the ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/nlnrc/eli5_how_do_you_go_about_homebrewing_beer/ | {
"a_id": [
"c3a2857",
"c3a2857"
],
"score": [
4,
4
],
"text": [
"If you're looking for a very brief and quick example for 1 gallon all grain brewing [this](_URL_0_) is a great example. That is all grain though, and if you are looking to start with a simpler version, you will use malt extr... | [] | [
"http://redd.it/nlex7"
] | [
[
"http://brooklynbrewshop.com/instructions",
"http://www.midwestsupplies.com/"
],
[
"http://brooklynbrewshop.com/instructions",
"http://www.midwestsupplies.com/"
]
] | |
4genzs | noam comsky and edward herman's propaganda model. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4genzs/eli5_noam_comsky_and_edward_hermans_propaganda/ | {
"a_id": [
"d2hbg2e",
"d2hj3s7"
],
"score": [
18,
3
],
"text": [
"The Propaganda Model is a model explaining the behavior of mass media organizations in liberal capitalist states. It essentially proposes that despite not having explicit government restrictions on the media, societies with... | [] | [] | [
[],
[]
] | ||
1erqm6 | why do some languages need to be compiled in order for a computer to run it while others don't? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1erqm6/eli5_why_do_some_languages_need_to_be_compiled_in/ | {
"a_id": [
"ca335fg",
"ca33c58",
"ca33dtd",
"ca33is9"
],
"score": [
2,
3,
2,
2
],
"text": [
"Let's do this ELI5 style:\n\nSome languages need a compiler. Think of this as a professional translator. I (the machine) only understands one language. You write a book in another ... | [] | [] | [
[],
[],
[],
[]
] | ||
dow13x | how do we know so much about historical temperature data when we’ve only had very accurate weather equipment for the last 100 years or so? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dow13x/eli5_how_do_we_know_so_much_about_historical/ | {
"a_id": [
"f5qwgc5",
"f5qx3ll",
"f5r4hzn"
],
"score": [
15,
17,
11
],
"text": [
"Some reserchers take giant drilling probes from ice/sediment and analyse them in labs, with ice for example there's a bunch of tiny layers, large ones for cold years smal ones for warm years, somtime... | [] | [] | [
[],
[],
[
"https://www.ncdc.noaa.gov/news/how-do-scientists-study-ancient-climates",
"https://en.wikipedia.org/wiki/Paleocene%E2%80%93Eocene_Thermal_Maximum",
"https://en.wikipedia.org/wiki/Great_Oxidation_Event",
"https://en.wikipedia.org/wiki/Extinction_event",
"https://youtu.be/ztninkgZ0w... | ||
8whrob | how did those guys get stuck in the cave in thailand in the first place? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8whrob/eli5_how_did_those_guys_get_stuck_in_the_cave_in/ | {
"a_id": [
"e1vlstn",
"e1vlvk1",
"e1vlz71",
"e1vur4i"
],
"score": [
20,
5,
56,
4
],
"text": [
"They ventured deep in the cave, it rained, long parts of the cave flooded and trapped them 2 miles in",
"Walked deep underground past all the signs warning of flooding just ... | [] | [] | [
[],
[],
[],
[]
] | ||
2drtrc | why is it that when i drive through iowa and i see a stand of windmills, only half (or so) of them are spinning? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2drtrc/eli5why_is_it_that_when_i_drive_through_iowa_and/ | {
"a_id": [
"cjsf1xu",
"cjsgp5q",
"cjshg8x"
],
"score": [
3,
9,
4
],
"text": [
"I think its because air currents aren't big uniform things blowing across big swaths of land...but then again I thought windmills had to continuously spin to be effective even if it means using electric... | [] | [] | [
[],
[],
[]
] | ||
4z95tf | while being in a coma where you are perceptive but not responsive, are you able to sleep? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4z95tf/eli5while_being_in_a_coma_where_you_are/ | {
"a_id": [
"d6u1s2x",
"d6u76ss"
],
"score": [
2,
4
],
"text": [
"I don't have a cool scientific answer, but your question made me think of this cool video of a girl explaining her experiences in a medically induced coma and I just thought I'd put it here for you too.\n\n_URL_0_",
"Oft... | [] | [] | [
[
"https://youtu.be/xrT9XRyDDaE"
],
[]
] | ||
3xjeg4 | how does composing work? after watching sw episode vii a couple times i'm once again madly in love with john williams. do composers score the music at the beginning? the end? how much do they work with the cast and directors? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3xjeg4/eli5_how_does_composing_work_after_watching_sw/ | {
"a_id": [
"cy5ad3b",
"cy5ci8v"
],
"score": [
3,
2
],
"text": [
"Usually a composer starts working on the music as soon as they're hired. Eventually arranging it to fit the visuals better. Often, placeholder music will be used to guide the composer/ help the editor figure out the tone of ... | [] | [] | [
[],
[]
] | ||
2xeo56 | how was jihadi john identified? | From what I've seen the only parts of him you can actually see in the videos are his eyes and hands and you can hear his voice so how can they have found out who it was with such a small amount of information? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2xeo56/eli5_how_was_jihadi_john_identified/ | {
"a_id": [
"cozgosz"
],
"score": [
2
],
"text": [
"Friends and family who identified him. \n\n > “I have no doubt that Mohammed is Jihadi John,” said one of Emwazi’s close friends who identified him in an interview with The Washington Post. “He was like a brother to me. . . . I am sure it is him... | [] | [] | [
[
"http://www.washingtonpost.com/world/national-security/jihadi-john-the-islamic-state-killer-behind-the-mask-is-a-young-londoner/2015/02/25/d6dbab16-bc43-11e4-bdfa-b8e8f594e6ee_story.html"
]
] | |
3gg9dx | most of my money is a number in a bank database. what is there to stop a bank artificially inflating someone's number? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3gg9dx/eli5_most_of_my_money_is_a_number_in_a_bank/ | {
"a_id": [
"ctxu6dk",
"ctxuabs",
"ctxub1o",
"ctxub8q",
"ctxv2h2",
"ctxw6ae",
"ctxx0f5",
"cty1hev"
],
"score": [
2,
40,
7,
5,
3,
2,
2,
2
],
"text": [
"That would mean the bank was giving away its own money to that person. Why would they want ... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[]
] | ||
3cyt71 | what's the mechanics behind shaving with foam, why is it better than just layer of liquid soap? | 6 upvotes and no hypothesis? Aparently someone else was thinking about that too.
| explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3cyt71/eli5_whats_the_mechanics_behind_shaving_with_foam/ | {
"a_id": [
"ct083yk",
"ct08dsc"
],
"score": [
2,
9
],
"text": [
"I'm not sure if this would be true for others, but I've been using moisturizing bar soap to shave my legs for the past few years and it's works better than shaving cream or conditioner and it lasts longer, costs less and is ... | [] | [] | [
[],
[]
] | |
cnbi4e | how does electric current applied to a motor make the motor spin? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cnbi4e/eli5_how_does_electric_current_applied_to_a_motor/ | {
"a_id": [
"ew8md8f",
"ew8r8h0",
"ew8uzs7"
],
"score": [
4,
6,
3
],
"text": [
"I don't really know how you call it in English, but I thinks it's the Lorenz force. When you apply current the electrons inside the cable start moving, so you have moving charges. A moving charge always... | [] | [] | [
[],
[],
[
"https://thumbs.gfycat.com/ObeseBountifulCaecilian-max-1mb.gif"
]
] | ||
dv4w2q | how can doctors not know what is causing an infection? | ELI5: My elderly neighbor (around 70) developed an infection on a cut on her finger. She was kept in the hospital for three days while doctors tried to cure her. Yesterday they sent her home, a bandage around her finger, which had turned dark purple/black, and the redness of the infection could be seen moving up her wr... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dv4w2q/eli5_how_can_doctors_not_know_what_is_causing_an/ | {
"a_id": [
"f7amh4k",
"f7amo0x",
"f7amu0a"
],
"score": [
8,
3,
3
],
"text": [
"Bacteria are microscopic, and you're covered in them. It takes time and testing to figure out which ones are hurting you.",
"I think that they can test for common bacteria, but if the results don’t ... | [] | [] | [
[],
[],
[]
] | |
2w47qq | how comes games for consoles lack mod support that their pc versions have? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2w47qq/eli5_how_comes_games_for_consoles_lack_mod/ | {
"a_id": [
"conf8zq",
"confaya"
],
"score": [
5,
7
],
"text": [
"Consoles lack the ability to directly access the files on the hard drive. That however is a crucial part of modding as that essentially isn't anything but adding/altering game files.",
"Modding a game generally goes agai... | [] | [] | [
[],
[]
] | ||
5805ac | centuries ago, how did people write so straight on letters without lines? | [for example] (_URL_0_) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5805ac/eli5_centuries_ago_how_did_people_write_so/ | {
"a_id": [
"d8wde9m"
],
"score": [
3
],
"text": [
"There was a lot of effort put on good penmanship, it's what separated an affluent gentleman from a commoner. Going to school, quills, ink, and paper were all expensive things, if a commoner could write, it would be chicken scratch at best. \n\nPl... | [] | [
"https://www.google.com/search?q=old+letters&source=lnms&tbm=isch&sa=X&ved=0ahUKEwipkJOF6-LPAhUHq1QKHfHIDpEQ_AUICCgB"
] | [
[]
] | |
4b20di | do animals play/have fun or do they just focus on survival? | Humans have the luxury of being able to watch tv and play sports or a million other things aside from finding food, shelter, or procreating.
Animals, insects, reptiles, amphibians, etc. don't have such luxuries, especially things lower in the food chain.
Do they have time to socialize or have fun or even the intell... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4b20di/eli5_do_animals_playhave_fun_or_do_they_just/ | {
"a_id": [
"d15gsos",
"d15hl71",
"d15ibj7"
],
"score": [
8,
3,
2
],
"text": [
"There are definitely cases of animals doing things that can most likely be explained by \"fun\".\n\nFirst off, most animal babies play to practice, and we can reasonably assume they like it, or else the... | [] | [] | [
[],
[],
[
"http://www.youtube.com/watch?v=LpsDWFei9Z4",
"http://www.youtube.com/watch?v=3dWw9GLcOeA"
]
] | |
5ged70 | if mars was able to sustain an atmosphere what sort of temperatures would we expect? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ged70/eli5_if_mars_was_able_to_sustain_an_atmosphere/ | {
"a_id": [
"darlbxa"
],
"score": [
3
],
"text": [
"Depends on the composition of the atmosphere more than anything else. Under some conditions it wouldn't even necessarily be colder than Earth. In fact with the right amount of greenhouse gases, the atmosphere can trap heat and warm the planet to ... | [] | [] | [
[]
] | ||
4xpswy | when someone is sleeping and you open their eyelid , what does that person see ? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4xpswy/eli5_when_someone_is_sleeping_and_you_open_their/ | {
"a_id": [
"d6hfdy7",
"d6hgihm"
],
"score": [
2,
2
],
"text": [
"Since they are asleep and their ocular sense is being ignored, they probably continue to just dream, if they don't wake up because of you touching them. ",
"Your eyes don't actually see. Your eyes just transmit info to... | [] | [] | [
[],
[]
] | ||
5bitu6 | why does sand scratch glass, something that metal doesn't? | I'm talking keys on phone here.
Pressure (small area)
Structure (atomic)
Hardness (Glass harder than metal, but not harder than sand) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5bitu6/eli5_why_does_sand_scratch_glass_something_that/ | {
"a_id": [
"d9otm8g",
"d9otrdb"
],
"score": [
3,
3
],
"text": [
"Sand is primarily silica dioxide. Glass is also, typically, silica dioxide. They are the same hardness, which is harder than metal. ",
"Glass *is* sand. \n\nCool, right? So sand can scratch glass because it's the same ha... | [] | [] | [
[],
[]
] | |
1oghp1 | why do consumer prices not go down (groceries, products, etc), when gas prices go down, but always go up when gas prices go up? | I don't understand why companies say they must pass their costs on to consumers when gas prices go up (due to shipping costs) however, when the gas prices drop, companies don't lower their prices. Example: It costs a fortune to buy groceries, regardless of the price of gasoline. So, it seems the companies are using g... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1oghp1/eli5_why_do_consumer_prices_not_go_down_groceries/ | {
"a_id": [
"ccrscae"
],
"score": [
2
],
"text": [
"It is probably just that you notice the increase in price more than the reduction. Taking milk as an example the bureau of labor and statistics data shows that price drops in gas are reflected in the price of milk. You can compare historic prices... | [] | [] | [
[
"http://data.bls.gov/cgi-bin/surveymost?ap"
]
] | |
26gux2 | why does everything temporarily look gray after i lay out in the sun? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/26gux2/eli5why_does_everything_temporarily_look_gray/ | {
"a_id": [
"chqxe9y"
],
"score": [
2
],
"text": [
"Probably best to close your eyes when facing the sun for long periods of time, but this happens because the cones that see colour get tired faster than the rods that just see light. "
]
} | [] | [] | [
[]
] | ||
9832yd | why do stressful thoughts often seem more severe or stressful when they wake you up at 3am, than when you think about them when you’re fully awake? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9832yd/eli5_why_do_stressful_thoughts_often_seem_more/ | {
"a_id": [
"e4cvtxb"
],
"score": [
7
],
"text": [
"Your body and mind are usually much more at rest, with external distractions at a minimum, upon waking - especially in the middle of the night if it is also quiet and dark outside. When your external stimuli is minimized your thoughts appear \"lo... | [] | [] | [
[]
] | ||
2ladvt | how come a feather and a coin/bowling ball fall at exactly the same speed in a vacuum? | Curious after reading this article _URL_0_ | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ladvt/eli5_how_come_a_feather_and_a_coinbowling_ball/ | {
"a_id": [
"clsw8ii",
"clsw9so",
"clswtag"
],
"score": [
4,
3,
2
],
"text": [
"The more mass something has, the more force it feels from gravity (i.e. the more it weighs). However, the object's *inertia* (its resistance to being moved) increases with mass, as well. When an objec... | [] | [
"http://www.nrc.nl/nieuws/2014/11/04/bowlingbal-of-veren-wat-valt-er-sneller-in-een-vacuum/"
] | [
[],
[],
[]
] | |
3w1jmr | how the hell does someone get credit card information and make a purchase on that credit card before it has even been activated? | Cuz...yeah, just had to cancel a credit card while calling to activate. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3w1jmr/eli5_how_the_hell_does_someone_get_credit_card/ | {
"a_id": [
"cxslppu"
],
"score": [
3
],
"text": [
"The only way in that case is that someone at your credit card company leaked the information, your company was hacked, or you without knowing let some see your card, left it somewhere, etc."
]
} | [] | [] | [
[]
] | |
5h3mu1 | how do voice operated systems like siri and alexa know when they're activated? are they always "listening"? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5h3mu1/eli5_how_do_voice_operated_systems_like_siri_and/ | {
"a_id": [
"dax59di",
"day8dij"
],
"score": [
2,
2
],
"text": [
"Yes - for all of the convenience they provide, they also do a major disservice to our privacy.\n\n",
"I'm in the middle of an Alexa project now, yes it's always listening waiting to hear that key wake word. Alexa also sa... | [] | [] | [
[],
[]
] | ||
34g2sw | why do cars crackle after you've been driving for awhile? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/34g2sw/eli5_why_do_cars_crackle_after_youve_been_driving/ | {
"a_id": [
"cquao3j"
],
"score": [
9
],
"text": [
"Metal (and many other materials) expands when it warms up and contracts when it cools. The components rub together a little bit as they change size. The noisiest bits are usually the exhaust system."
]
} | [] | [] | [
[]
] | ||
a6q51y | what is beginner’s luck? | Could it be something like the following?
Nobody performs exactly on average, but will structurally over- and underperform their expectations. However, it could be that we tend to remember the occurances where a ‘beginner’ performed better than expected more than when a beginner underperforms or when a more experienced... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a6q51y/eli5_what_is_beginners_luck/ | {
"a_id": [
"ebwzvd0",
"ebx2bk9",
"ebxcvor",
"ebxdkzg"
],
"score": [
10,
2,
4,
2
],
"text": [
"Yes, works for me. The expectations are set too low for what beginners are likely to actually do. They are expected to fail but law of averages says that they only will half the... | [] | [] | [
[],
[],
[],
[]
] | |
bvkoqo | i know humans can't digest corn cellulose but how exactly corn survives hydrochloric acid? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bvkoqo/eli5_i_know_humans_cant_digest_corn_cellulose_but/ | {
"a_id": [
"eppzama",
"eprkwnh"
],
"score": [
8,
2
],
"text": [
"So typically the issue is not the exposure to acid. The corn is immersed in as much digestive acids as anything else you eat, however different food substances will be affected and digested and broken down at different rates... | [] | [] | [
[],
[]
] | ||
2s05x3 | how can the playstation 2 still play games once the disk has been removed? | For instance, if you are in the middle of playing a game and remove the disk you could still play as long as the game didn't have to load a new level. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2s05x3/eli5how_can_the_playstation_2_still_play_games/ | {
"a_id": [
"cnkvum1",
"cnkvvd5",
"cnkx16w",
"cnkydfc",
"cnl7c6v",
"cnlbtk0"
],
"score": [
3,
14,
2,
2,
3,
2
],
"text": [
"The level is temporarily copied into RAM memory from the disc. \n\nRemoving the disc leaves the RAM intact.",
"The game doesn't pl... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | |
7bljg6 | why the inuit and the eskimos aren't white since they live so far from the equator? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7bljg6/eli5_why_the_inuit_and_the_eskimos_arent_white/ | {
"a_id": [
"dpix9un",
"dpixs1c"
],
"score": [
2,
3
],
"text": [
"Could it be because they get enough vitamin D from eating so much fish? So their skin doesn’t need to be lighter in order to absorb more vitamin D",
"Snow is very reflective and as such less ultraviolet light is absorbe... | [] | [] | [
[],
[
"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5502412/",
"https://www.thenakedscientists.com/articles/questions/why-are-inuit-people-dark-skinned"
]
] | ||
6632xd | what is a thesis statement/thesis? | Google failed me, Tutors failed me, my Instructor failed me.
This is for an argumentive essay.
In high school, I remember doing Intros and stating a claim then giving reasons and restating the claim.
But I'm being told I'm missing the point.
Here is an example of a thesis I wrote.
Fake news is hard to identify. ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6632xd/eli5_what_is_a_thesis_statementthesis/ | {
"a_id": [
"dgf6xax"
],
"score": [
3
],
"text": [
"In this comment, I will explain to you what a thesis statement is. I will do so by using an example, and by detailing the process of crafting a thesis statement, by explaining what a hypothesis is, what a thesis is, and in total, by critiquing th... | [] | [] | [
[]
] | |
4z97zt | is letting wounds 'breathe' a thing, if so, what purpose does it serve? | I recently put a plaster (band-aid) on a cut and a few people said I should 'let it breathe'.
Edit: RIP my inbox. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4z97zt/eli5_is_letting_wounds_breathe_a_thing_if_so_what/ | {
"a_id": [
"d6txqaf",
"d6ty3mj",
"d6u5l7u",
"d6u5wk5",
"d6u9etg",
"d6u9h9q",
"d6u9toa",
"d6uarv0",
"d6uaunz",
"d6ub63i",
"d6ub6wp",
"d6ucapk",
"d6ucmga",
"d6ucqve",
"d6ud7w7",
"d6ue1vs",
"d6uee93",
"d6uev6p",
"d6ufyip",
"d6ug8en",
"d... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[
"http://www.hopkinsmedicine.org/healthlibrary/test_procedures/neurological/hyperbaric_oxygen_therapy_for_wound_healing_135,44/"
],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[
"http://bath.pubget.com/paper/21033498",
... | |
9t1gmw | for the ip 68 water resistance on phones why can they not make the 3.5 mm headphone jack water resistant? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9t1gmw/eli5_for_the_ip_68_water_resistance_on_phones_why/ | {
"a_id": [
"e8sxuq4"
],
"score": [
3
],
"text": [
"They absolutely can. I'm typing this on a Galaxy S9 which is IP68 rated and has a 3.5mm headphone jack\n\nIt's a sealed plastic part anyway, it shouldn't be hard to waterproof. The big push is due to it's minimum thickness and $$$. As with all th... | [] | [] | [
[]
] | ||
8981oc | when there's a cut or a break in a power line or cable, how do technicians find out where it happened without visually inspecting every mile? | [Related search here.](_URL_0_)
Say an underground cable carrying service over a long distance gets chewed through by a burrowing critter. Everyone will know, based on the interruption of service, that something's been cut. And based on who loses service, they'll be able to deduce approximately where along the line ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8981oc/eli5_when_theres_a_cut_or_a_break_in_a_power_line/ | {
"a_id": [
"dwpi137",
"dwpk86d",
"dwpl00x",
"dwpwcnc",
"dwq89jp"
],
"score": [
12,
3,
2,
6,
3
],
"text": [
"For undersea cables (both electrical and optical fiber) they can send a signal and measure the time it takes to reflect back. That will tell them where the ... | [] | [
"https://www.google.com/search?q=site%3Awww.reddit.com%2Fr%2Fexplainlikeimfive+power+line&oq=site%3Awww.reddit.com%2Fr%2Fexplainlikeimfive+power+line&aqs=chrome..69i57j69i58.8097j0j7&client=ubuntu&sourceid=chrome&ie=UTF-8"
] | [
[],
[],
[],
[],
[]
] | |
7a36jr | how is sound generated from music files? | From my understanding, human hearing is limited to 20-20,000Hz. If this is the case, how are songs different? Are different frequencies played at a very high rate of speed or are they combined somehow? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7a36jr/eli5how_is_sound_generated_from_music_files/ | {
"a_id": [
"dp6pean",
"dp6ye3x"
],
"score": [
5,
10
],
"text": [
"They’re played over the top of one another. In all your daily life longitudinal sound waves are overlapping each other, and when they do they basically add to each other (if a compression of the wave crosses a rarefaction (... | [] | [] | [
[
"https://www.google.com.au/search?q=wave+superposition&rlz=1CDGOYI_enAU696AU696&hl=en-GB&prmd=ivsn&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiWmdWRsJ3XAhWJE5QKHYASBw0Q_AUIEigB&biw=375&bih=591"
],
[
"https://i.imgur.com/EY19rjb.png",
"https://i.imgur.com/1kX7jPD.png",... | |
1lx4jq | why do i see the monster logo on people's cars, and displayed so prominently? | When I was growing up, I don't remember ever seeing a Pepsi or Coca-Cola sticker on a car. What's the deal? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1lx4jq/eli5_why_do_i_see_the_monster_logo_on_peoples/ | {
"a_id": [
"cc3lpwy",
"cc3lv6j",
"cc3ohzp",
"cc3opsk"
],
"score": [
11,
3,
3,
4
],
"text": [
"The Monster logo is closely associated with the X-sports like Motorcross, Skateboarding and Off Road Racing. (Monster Energy Supercross). I believe that people place these logos o... | [] | [] | [
[],
[],
[],
[
"http://www.av1611.org/666/images/hebrewy.gif",
"http://www.hdwallpapersinn.com/wp-content/uploads/2013/03/MonsterLogo11.jpg"
]
] | |
5xm3ou | how do they get statistics like "80% of people who suffer from this disease are not diagnosed yet" | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5xm3ou/eli5_how_do_they_get_statistics_like_80_of_people/ | {
"a_id": [
"dej5z4e"
],
"score": [
8
],
"text": [
"Most of the time it's going to be a completely made up bullshit statistic\n\nBut sometime it can be accurate (or a relatively accurate guess)\n\nFor example:-\n\n- They might find from autopsy studies that 80% of people had a disease but had neve... | [] | [] | [
[]
] | ||
1q1fam | how do i trade a stock? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1q1fam/eli5_how_do_i_trade_a_stock/ | {
"a_id": [
"cd86qe4",
"cd86ren",
"cd87d04",
"cd89892"
],
"score": [
2,
2,
2,
2
],
"text": [
"sign up with a stock broker. such as scotttrade, etrade, \n\nhand the broker $1000. tell him to buy Apple. he'll buy apple and put it on your account sheet, take a $10 transa... | [] | [] | [
[],
[],
[],
[
"freestockcharts.com",
"http://samurai-investments.com/"
]
] | ||
7nt6xx | if one episode of an animated television series takes months to create. how is an animated television series such as family guy or the simpsons able to give us a complete season every single year? but others take at minimum two years eg the boondocks or rick and morty? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7nt6xx/eli5if_one_episode_of_an_animated_television/ | {
"a_id": [
"ds4bt1j",
"ds4c1dk"
],
"score": [
4,
2
],
"text": [
"The Simpsons and Family Guy can afford to have much larger staffs, meaning that multiple episodes are being worked on simultaneously. ",
"Some South Park episodes take about 6 days. They do this by keeping things in hous... | [] | [] | [
[],
[]
] | ||
4y78vt | psychologically, what is the appeal of bdsm? i know people enjoy it, but how specifically? through what emotions? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4y78vt/eli5_psychologically_what_is_the_appeal_of_bdsm_i/ | {
"a_id": [
"d6lhu4p"
],
"score": [
3
],
"text": [
"* your neurological response to pleasure and pain are similar, and feeling both at the same time can enhance pleasure...even \"normal\" people are likely to engage in hair pulling, scratching, biting, and spanking during sex\n* having no control ... | [] | [] | [
[]
] | ||
1rklx8 | why is it that regular porn is uncensored but hentai/doujinshi are generally censored? | Not something I'm overly concerned about. It's just something I have noticed and was curious. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1rklx8/eli5_why_is_it_that_regular_porn_is_uncensored/ | {
"a_id": [
"cdo60kv"
],
"score": [
2
],
"text": [
"All porn released in Japan is censored by law. [This Wikipedia article](_URL_0_) has the specifics. Basically, they have to blur all pubic hair and genitalia. "
]
} | [] | [] | [
[
"http://en.m.wikipedia.org/wiki/Pornography_in_Japan"
]
] | |
aan6vf | why is the sound quality of a song so much better when it’s played during a movie vs just listening to the song regularly? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/aan6vf/eli5why_is_the_sound_quality_of_a_song_so_much/ | {
"a_id": [
"ectbazp",
"ectbnp9",
"ectdnfn",
"ectdrny"
],
"score": [
6,
7,
2,
2
],
"text": [
"Movie editing is magic, you have nooo idea how much time a **team** of people spent on that 15 sec clip",
"I have not experienced this. Maybe it is something subjective to your... | [] | [] | [
[],
[],
[],
[]
] | ||
2104ih | why pirated movies are usually distributed as multi file rar archives? | I understand that sharing movies in parts is easier in case one of the files is corrupted - then you only download that part... but why are these archives COMPRESSED?
I have a 94 files, nearly 100 MB each as RAR. It takes about 7 minutes on my computer to unpack it. But if you pack the same file with no compression, j... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2104ih/eli5_why_pirated_movies_are_usually_distributed/ | {
"a_id": [
"cg8c010",
"cg8cebs"
],
"score": [
3,
2
],
"text": [
"You're right that for video, RAR files don't actually compress significantly, because the video is already extremely compressed. It's not the compression that takes time, it's the archiving. If you made one giant archive of ... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Standard_\\(warez\\)#Packaging"
]
] | |
2kcib8 | why can i bite into something lava hot and it doesn't bother my teeth, but if i bite into something freezing my teeth hurt like hell? | Bit into some very hot pizza earlier no prob. Later bit into an ice cream sandwich and nearly died. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2kcib8/eli5_why_can_i_bite_into_something_lava_hot_and/ | {
"a_id": [
"cljz9b3"
],
"score": [
6
],
"text": [
"Cold causes your teeth to contract, pinching the nerves inside. Hot causes teeth to expand, no pinching."
]
} | [] | [] | [
[]
] | |
64ekbv | pleading not guilty and then being found guilty. | If someone's pleads not guilty to a crime (trial-worthy) and then through the court proceedings they're found guilty (no plea deal), shouldn't they also then be convicted of obstruction of justice or Perjury, or some other serious offense....? Assuredly this can then be overturned if the ruling is repealed...
Let's as... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/64ekbv/eli5_pleading_not_guilty_and_then_being_found/ | {
"a_id": [
"dg1iei2",
"dg1ijgj"
],
"score": [
38,
3
],
"text": [
"A guilty plea is not under oath and is not testimony. It's also not a factual claim; in the context of a trial, it's really a statement that you're going to require the government to meet its obligation to convict you. So i... | [] | [] | [
[],
[]
] | |
f4oxbm | where/how do retailers buy in bulk? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f4oxbm/eli5_wherehow_do_retailers_buy_in_bulk/ | {
"a_id": [
"fhs1he8",
"fhs1kme"
],
"score": [
2,
21
],
"text": [
"Either straight from the manufacturer or from a wholesaler. There is often a minimum order quantity for products ie. chocolate bars could be sold in boxes of 48, so you must buy in multiples of 48. And the minimum spend for... | [] | [] | [
[],
[]
] | ||
b7kgei | how can scientists detect that they have synthesised a new element if they only last for a few milliseconds? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b7kgei/eli5_how_can_scientists_detect_that_they_have/ | {
"a_id": [
"ejseybe"
],
"score": [
6
],
"text": [
"You detect the radiation that they emit when they decay. the specific energy and type radiation they emit is unique for each element. What new element they becom can be determine from the radiation they emit and you can detect the presence of tha... | [] | [] | [
[
"https://www.scientificamerican.com/article/how-do-scientists-detect/"
]
] | ||
53kbg3 | international debt | A few days ago I saw a post that was commenting on how much hard currency existed in the world (billions) and how much debt there was in the world (TRILLIONS). How does this work? Where does the debt come from? Can countries ever ask other countries to pay back significant parts of the debt? If that were to happen betw... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/53kbg3/eli5_international_debt/ | {
"a_id": [
"d7tu920",
"d7tuo5p"
],
"score": [
3,
2
],
"text": [
"The debt is mostly in the form of treasury securities they're bonds by the treasury department and they mature after a specific amount of time when they pay back the original cost called the principal plus the interest. The... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Fractional-reserve_banking"
]
] | |
9ib0ea | why are we naturally able to swim in the womb as babies but not after we're born? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9ib0ea/eli5_why_are_we_naturally_able_to_swim_in_the/ | {
"a_id": [
"e6i8636",
"e6i8mvn",
"e6i91fj"
],
"score": [
2,
2,
2
],
"text": [
"Have you not seen the videos of babies swimming?",
"We don’t use our lungs til we’re born we get our oxygenated red blood cells through our placenta. So bobbing around in fluid is second nature til... | [] | [] | [
[],
[],
[]
] | ||
99gc1f | how is law enforcement using geneology site's information to track down and arrest suspects in cold cases? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/99gc1f/eli5_how_is_law_enforcement_using_geneology_sites/ | {
"a_id": [
"e4neq7a",
"e4nf3nj"
],
"score": [
6,
3
],
"text": [
"Usually, it's because they still have evidence for those cases that DNA can be or has been obtained from. \n\nThey can then use that against the records voluntarily supplied to them by people who use the Genealogy sites to ... | [] | [] | [
[],
[]
] | ||
13hvym | the difference between paint and car paint, why cant i paint a car a different color? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/13hvym/eli5_the_difference_between_paint_and_car_paint/ | {
"a_id": [
"c743h3f"
],
"score": [
5
],
"text": [
"Paint is paint. But certain kinds of paint stick better to things than others. \n\nLatex or oil-based paint is good for painting walls of houses (inside or outside). But it doesn't stick well to metal. The water-based formula will actually s... | [] | [] | [
[]
] | ||
2nsdun | do deaf people have any sort of understanding of music? | Do deaf people (particularly those who have been deaf from birth) understand the concept of music? How? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2nsdun/eli5do_deaf_people_have_any_sort_of_understanding/ | {
"a_id": [
"cmgeorj",
"cmgfrqr",
"cmgjp2j"
],
"score": [
3,
6,
3
],
"text": [
"There are varying degrees of deafness, but even the totally deaf can feel the vibrations of sound waves. They may not be able to distinguish between notes, but they can determine the beat.",
"When I... | [] | [] | [
[],
[],
[]
] | |
81ywlf | machine learning | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/81ywlf/eli5_machine_learning/ | {
"a_id": [
"dv66v0v",
"dv68twa",
"dv690rt",
"dv69kv8",
"dv6bg38",
"dv6dx53",
"dv6eup8",
"dv7dyxe"
],
"score": [
3,
3,
2,
2,
2,
2,
2,
2
],
"text": [
"Machine learning is simply using data in a computer to teach the machine learning model how ... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[]
] | ||
76ukbh | how does eyesight work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/76ukbh/eli5_how_does_eyesight_work/ | {
"a_id": [
"doh5h0e"
],
"score": [
2
],
"text": [
"The first thing you eyes do is collect light. \n\nThe light enters your eye through the pupil in the middle. Your eye can change the size of the pupil to let in more or less light, giving it an adaptability to local conditions.\n\nAs light goes t... | [] | [] | [
[]
] | ||
19lfz2 | where do they come up with the 4 letter code for radio and tv stations (i.e kwfx) | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/19lfz2/eli5_where_do_they_come_up_with_the_4_letter_code/ | {
"a_id": [
"c8p3see"
],
"score": [
4
],
"text": [
"I [answered that](_URL_0_) a few days ago."
]
} | [] | [] | [
[
"http://www.reddit.com/r/explainlikeimfive/comments/19br7b/eli5_why_do_radio_and_tv_station_call_letters/"
]
] | ||
17okcp | - why do creams like bengay or ruba535 make my skin feel hot, but not on the hand that rubs it in? | I strained a muscle in my arm today so I put some Rub-A535 on. As I rubbed it in i could feel it work on my shoulder quite quickly, but my hand felt more or less the same. What's going on? Thanks! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/17okcp/eli5_why_do_creams_like_bengay_or_ruba535_make_my/ | {
"a_id": [
"c87f9ih"
],
"score": [
3
],
"text": [
"Your fingers have less nerve endings than other body parts. That's because they are used to grab pretty much anything. If they were too sensitive to touch, then more things would hurt, you'd touch fewer things and be less likely to do anything --... | [] | [] | [
[]
] | |
1ilnro | when registering to vote in the us, why are you asked what party affiliation you would like to be associated with and does it matter? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ilnro/eli5_when_registering_to_vote_in_the_us_why_are/ | {
"a_id": [
"cb5n8aw",
"cb5n9e5",
"cb5o6ef",
"cb5okpr",
"cb5pmvv"
],
"score": [
11,
4,
3,
2,
3
],
"text": [
"Membership in a political party allows you to do things like vote in primaries. Election boards need this information to determine who can vote in what prima... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
296lnb | how come when i turn on loud music my dogs don't react at all, but when i sing along it gets their attention straight away? | It's like they don't even hear the music at all, not a muscle moves. But when it's my voice they whip their heads around to look at me.
Do they have some kind of selective hearing? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/296lnb/eli5_how_come_when_i_turn_on_loud_music_my_dogs/ | {
"a_id": [
"cihx5xl"
],
"score": [
6
],
"text": [
"No, but they recognize you as their pack leader. If music plays, whatever. If the pack leader is doing something, best pay attention ."
]
} | [] | [] | [
[]
] | |
7l2m0h | how dual-clutch transmissions and continuously variable transmissions use clutches but do not stall. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7l2m0h/eli5_how_dualclutch_transmissions_and/ | {
"a_id": [
"drj2kqw",
"drj2m0h",
"drj2s7e",
"drjdd1k",
"drkqagk"
],
"score": [
16,
55,
3,
4,
2
],
"text": [
"Dual clutch transmissions are basically a sequential manual transmission controlled by computers and therefore automated and programmed not to stall. If you... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
aw6i4m | why does everybody lean forward while gaming(espescially competitive). | Like everybody i know does thatafter loading screen for games like madden, fifa etc. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/aw6i4m/eli5_why_does_everybody_lean_forward_while/ | {
"a_id": [
"ehk8mis",
"ehk8mos"
],
"score": [
5,
8
],
"text": [
"Stress causes people to hunch forward. Games, particularly competitive ones, can be stressful, causing us to adopt a tense position.\n\nAfter just a few games, you become used to playing games in that position, and just aut... | [] | [] | [
[],
[]
] | |
31dly7 | why are terrorist organizations so active in the middle east (iraq and syria), but not in the one country almost everyone in the middle east hates, israel? | I mean, it is the perfect target for terror groups, right? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/31dly7/eli5_why_are_terrorist_organizations_so_active_in/ | {
"a_id": [
"cq0l0sq",
"cq0m5be"
],
"score": [
13,
4
],
"text": [
"Israel gets hit by attacks all the time, but the Israelis take defense very seriously and have a relatively small country with well-guarded borders. They're also willing to use somewhat less-than-kosher tactics with respect... | [] | [] | [
[],
[
"http://www.jewishvirtuallibrary.org/jsource/Terrorism/victims.html",
"http://www.johnstonsarchive.net/terrorism/terrisrael-12.html",
"http://www.johnstonsarchive.net/terrorism/terrisraelsum.html"
]
] | |
42vs8r | why doesn't the poliovirus evolve as rapidly as the flu virus does? | Why don't we need yearly shots against polio like we do for the flu? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/42vs8r/eli5_why_doesnt_the_poliovirus_evolve_as_rapidly/ | {
"a_id": [
"czdkeaj"
],
"score": [
5
],
"text": [
"Part of the reason that flu can be really dangerous is that it infects so many species. Swine, birds, humans etc. Not every strain can infect every animal. But some animals can be infected with many types of strains, and when infected with more t... | [] | [] | [
[]
] | |
1q4qhv | what is the base of people that is enabling rob ford and keeping him in power, and why do they want him to stay? | Really, I don't understand how this guy hasn't lost his job yet. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1q4qhv/eli5_what_is_the_base_of_people_that_is_enabling/ | {
"a_id": [
"cd96zoz"
],
"score": [
6
],
"text": [
"As I understand it, there's no established *process* for removing the mayor from his post. If he doesn't resign, there's no mechanism for removing him. "
]
} | [] | [] | [
[]
] | |
319of0 | what is the difference between meth, crack cocaine,crack and cocaine? | The terms are so vivid so i don't know the correct one. Thanks in advance!
| explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/319of0/eli5_what_is_the_difference_between_meth_crack/ | {
"a_id": [
"cpzlucs",
"cpzlwb8"
],
"score": [
3,
7
],
"text": [
"* crack = crack cocaine = freebase cocaine, suitable for smoking. \n* cocaine usually refers to the HCL salt, which can't be smoked, but is water soluble and can be easily injected. \n* meth = methamphetamine (or N-methyl ... | [] | [] | [
[],
[]
] |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.