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 |
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1vvda7 | what will happen when we run out of petroleum? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1vvda7/eli5_what_will_happen_when_we_run_out_of_petroleum/ | {
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"We will transition to another source of fuel before that happens. As the supply of oil drop... | [] | [] | [
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a48ik4 | how does audio/images get on a cd/dvd? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a48ik4/eli5_how_does_audioimages_get_on_a_cddvd/ | {
"a_id": [
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"text": [
"Everything is stored in a computer system as a set of 1s and 0s, binary. 1 meaning on, electricity can pass through a transistor, and 0 meaning off. The order in which this happens determines the data the computer translates... | [] | [] | [
[],
[]
] | ||
4nkqyn | why do cameras need to focus? why isn't everything equally crisp? | I'd understand if they had two lenses side by side, because they'd have to converge the light to the same point physics blah blah blah. But why do normal cameras, which don't have two lenses side by side, need to focus? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4nkqyn/eli5_why_do_cameras_need_to_focus_why_isnt/ | {
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"Because they still need to converge the light onto the sensor (or film if you're old school). It doesn't matter how many lenses there are, you always have to get the light to conv... | [] | [] | [
[],
[],
[],
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"http://www.normankoren.com/Tutorials/MTF6.html"
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8rk98p | why do all key makers seem to double as a shoe repair shop? i understand that being a keymaker doesn't give you a lot of business but why do they always seem to double as shoe repairers | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8rk98p/eli5_why_do_all_key_makers_seem_to_double_as_a/ | {
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"text": [
"Where do you get your keys made man? I have never seen this",
"I've never seen the two paired, but like a bookshop might have a coffee/espresso machine... | [] | [] | [
[],
[],
[],
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] | ||
1wqp6g | when is something considered a drug and not food? | I was talking to a friend the other day and he said that based on most definitions of what a drug is, food would be considered a drug.
Definition from google: a medicine or other substance which has a physiological effect when ingested or otherwise introduced into the body.
By this definition, you could argue that a... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1wqp6g/eli5when_is_something_considered_a_drug_and_not/ | {
"a_id": [
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"text": [
"I think the primary purpose of ingestion defines it. Food is ingested primarily for nutritional purposes: calories, proteins, vitamins, fiber, etc. Drugs are ingested for other purposes: combating disease/infection, alleviat... | [] | [] | [
[],
[]
] | |
37pc4k | 0.5% of males are decedents of genghis khan? | I've always seen things like "0.5% of all males are decedents of Genghis Khan" or "1/200 Asian males are decendents of Khan". How is that possible? How many women did he sleep with during his lifetime to make that possible? How many female decedents does he have? I find this very fascinating.
P.S. Please spare me the... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/37pc4k/eli5_05_of_males_are_decedents_of_genghis_khan/ | {
"a_id": [
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"text": [
"It is more a matter of how procreative his descendents were. They began conquering empires. Standard practice was to kill males, impregnate the women, and ensure that the children born would be in positions of power who could maintain multiple wi... | [] | [] | [
[
"http://en.wikipedia.org/wiki/The_Seven_Daughters_of_Eve"
]
] | |
3yzioh | why tornadoes are most prevalent in north america and eastern europe, but not in asia. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3yzioh/eli5_why_tornadoes_are_most_prevalent_in_north/ | {
"a_id": [
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"cyiaafd",
"cyiava8",
"c... | [] | [] | [
[],
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"http://www.ustornadoes.com/2013/07/25/from-domestic-to-international-tornadoes-around-the-world/"
],
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"htt... | ||
6dnzip | floods. do not understand why the water just doesn't go elsewhere. (is every area that floods a divot in the earth?) help me understand. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6dnzip/eli5_floods_do_not_understand_why_the_water_just/ | {
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"text": [
"If you turn on the faucet in your bathtub, and leave it on, the water runs right down the drain. No problem. \n\nBut if someone brought a dumptruck full of w... | [] | [] | [
[],
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[],
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5oy9fh | why do we tilt our head/eyes to one side when thinking or trying to remember about something? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5oy9fh/eli5why_do_we_tilt_our_headeyes_to_one_side_when/ | {
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"text": [
"Here's one estimate. Ever notice how people turn down the volume of music in their car when they're driving to a new area or looking for a location? I've r... | [] | [] | [
[],
[],
[],
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] | ||
c3z3js | fatty acid metabolism, how and when does body burn fat? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/c3z3js/eli5_fatty_acid_metabolism_how_and_when_does_body/ | {
"a_id": [
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"score": [
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"text": [
"The body is very smart; it knows which organs are most important. When times are tough and you don’t have much glucose available your body starts to pull triacyglycerides (body fat) to break down into Fatty acids, which can then be broken down in... | [] | [] | [
[]
] | |
fwbzg4 | - how is solar energy stored to then be used at a later time? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fwbzg4/eli5_how_is_solar_energy_stored_to_then_be_used/ | {
"a_id": [
"fmngk9w",
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"score": [
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5,
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"text": [
"Batteries.\n\nThere are other solutions, like pumped hydro power, but batteries are the most viable solution.",
"Ideally it can be stored in batteries - the panels can charge the batteries up, and w... | [] | [] | [
[],
[],
[]
] | ||
6cw4c3 | how does a coroner identify a person after a large scale accident? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6cw4c3/eli5_how_does_a_coroner_identify_a_person_after_a/ | {
"a_id": [
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"score": [
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"text": [
"Any physical ID on the person. Dental or medical records to help confirm. There is usually a list compiled of people missing after the incident from police, and they can work with hospitals to determine which ones are remaining. "
]
} | [] | [] | [
[]
] | |
2p3jyh | why are led's such a big deal? scientists nominated for the nobel prize due to their work on led's has me thinking there is more to them than i thought. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2p3jyh/eli5_why_are_leds_such_a_big_deal_scientists/ | {
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"text": [
"They produce strong light, are relatively easy to make, and use very very little power. Swapping all lights to LEDs has the potential to greatly reduce energy use worldwide if adop... | [] | [] | [
[],
[],
[],
[]
] | ||
bhokh6 | why is the brain stored in the head? | Surely it would be better if it was in the chest like every other major organ? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bhokh6/eli5_why_is_the_brain_stored_in_the_head/ | {
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"text": [
"I figure it's because it needs to be close to all of your sensory organs for maximum efficiency, that, and there isn't much room",
"The brain needs to be near the primary sensory organs, most nota... | [] | [] | [
[],
[],
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"https://www.reddit.com/r/askscience/comments/qxljr/why_is_our_brain_in_our_head_... | |
9bkuzo | when you’re talking to someone and they are mouthing the words you’re saying, but don’t seem to know they’re doing it. why? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9bkuzo/eli5_when_youre_talking_to_someone_and_they_are/ | {
"a_id": [
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"text": [
"That means they are trying to remember what you are saying. Many people need to repeat audio physically to remember it long term. It's a good thing because they are paying attention."
]
} | [] | [] | [
[]
] | ||
2hit7s | snapchat is free to use and there are no ads in the app. why is the company/app still worth billions? where does the money come from? | I've always wondered how Companies With no obvious way of ad Revenue or paid content are Worth so goddamn much money.
*edit:*
* thanks for a bunch of good answers!
* woah so many answers. maybe i can sell this thread for billions and fill it with ads.... :v | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2hit7s/eli5_snapchat_is_free_to_use_and_there_are_no_ads/ | {
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"c... | [] | [] | [
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... | |
f2io59 | after hours trading ?? | I don't really understand after hours trading. Is it limited to a certain X hours after hours?
Also today On Google TSLA stock dipped twice to sub 400 and back up to 770, how can these huge swings happen after hours?
Is there a liste of all the trades made after hours? If so where is the information explaining these ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f2io59/eli5_after_hours_trading/ | {
"a_id": [
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"text": [
"After hours is just trade matching between willing partners, very different from live trading hours where everyone can enter orders. After hours is by definition more volatile and usually does not count at all at the actual valuation of stocks."... | [] | [] | [
[]
] | |
49h9fv | how do all the individual cells in our immune system communicate and know when to start fighting off an infection? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/49h9fv/eli5_how_do_all_the_individual_cells_in_our/ | {
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"There are lots of different signaling molecules called cytokines that help to regulate the immune system. Some of these cytokines cause inflammation, while others serve as what are... | [] | [] | [
[],
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"https://www.youtube.com/watch?v=zQGOcOUBi6s"
],
[]
] | ||
3sq6h7 | paris attacks mega-thread | If you've got any questions related to the attacks that occurred late Friday in Paris, France, post them here.
For more information, also see _URL_0_ | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3sq6h7/eli5_paris_attacks_megathread/ | {
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"http://tellmamauk.org/wp-content/uploads/2015/01/antimuslim-attacks-charlie-hebdo-II-final-resize.jpg",
"http://www.telegraph.co.uk/news/1358665/Seedy-secrets-of-hijackers-who-broke-Muslim-laws.html",
"https://www.reddit.com/r/islam/comments/2j44f8/15_reasons_why_s... | |
68skvq | will war between nations still be the same if another ww breakout? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/68skvq/eli5will_war_between_nations_still_be_the_same_if/ | {
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"War is never the same. It's ever evolving. The battle plans and strategies used in WW1 were completely different from ww2 and they happened less than 20 years from one another. \n\nTechnology changes the way we fight and so ... | [] | [] | [
[],
[]
] | ||
1islo9 | why are there more minorities in prison? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1islo9/eli5_why_are_there_more_minorities_in_prison/ | {
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"If I remember correctly it isn't that there are MORE minorities but instead a disproportionate amount of minorities in prison. \n\nEx. Blacks are 12% of the general population but 30% of prison popula... | [] | [] | [
[],
[],
[]
] | ||
1eri6e | why does it feel like time 'slows down' whenever i jump over something? | Like when I go full sprint and jump over like a hurdle, it feels like I slowed down drastically, just to touch the ground again and continue to sprint. Why does it feel like that? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1eri6e/eli5_why_does_it_feel_like_time_slows_down/ | {
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"Many people have reported experiencing this phenomena when placed in life-threatening situations. It can also happen during sports events, where it's often referred to as \"being in the zone\".\n\nIt appears that it has some... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Flow_%28psychology%29"
],
[]
] | |
5rx6og | why do problems and stresses that don't seem like a big deal during the day suddenly seem life threatening and world ending when you wake up at 2:30 am? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5rx6og/eli5_why_do_problems_and_stresses_that_dont_seem/ | {
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"I'm not sure what 'stresses' you are taking about, but I'm going to take a guess at what you mean and work from there. \n\nYou are at your most vulnerable when you are asleep. You... | [] | [] | [
[],
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20q1lo | why do ideas seem good in my head but suck when i put pen to paper? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/20q1lo/eli5_why_do_ideas_seem_good_in_my_head_but_suck/ | {
"a_id": [
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"You usually don't think an idea through as much as you think you do until you put it on paper. That's when other details start coming up that you may not have thought of before. Before you write it down, it's probably just a vague concept. Puttin... | [] | [] | [
[]
] | ||
3qpf7h | why it could take 14 more years to return to the moon after man set foot there 46 years ago. have we not advanced much since then? | _URL_0_ | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3qpf7h/eli5_why_it_could_take_14_more_years_to_return_to/ | {
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"text": [
"Well actually, we've made leaps and bounds since then. For example, there's the accurate adage that the original Apollo-11 Lander had the computing power of... | [] | [
"http://uk.businessinsider.com/russia-announces-first-manned-mission-to-moon-2015-10?r=US&IR=T"
] | [
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59bmzn | why do large piles of corn cobs spontaneously combust? | I was watching a tv show recently talking about using corn cobs to make things like football and bike helmets. They said that if corn cob piles weren't moved every so often they would begin to smolder from the inside and combust. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/59bmzn/eli5_why_do_large_piles_of_corn_cobs/ | {
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"text": [
"According to some quick googling, the oil in the corn oxidizes, which releases heat, and if it gets hot enough, spontaneous combustion occurs.\n\nMoving ... | [] | [] | [
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] | |
apesrp | why is the insect population dying a terrible thing for humanity and how immediate is the threat? | I understand that insects are integral to many bits of the world if not the majority, but could we not make machines to fill in the gaps of bugs that go extinct? And as I asked above how immediate is the threat? Years or decades? Thank you! | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/apesrp/eli5_why_is_the_insect_population_dying_a/ | {
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"text": [
"They're a major part of every terrestrial food chain. Lake fish eat insect, you can't feed a lake full of fish *a robot* for breakfast \n\nInsects are also key decomposers. Fewer insects means less natural decay and less ava... | [] | [] | [
[],
[]
] | |
71rq67 | how is computer memory stored on a cellular level? i understand that memory is stored at a physical location in a memory unit, but what type of physical characteristic is actually measured to determine what data is stored? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/71rq67/eli5_how_is_computer_memory_stored_on_a_cellular/ | {
"a_id": [
"dncxpy8"
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"score": [
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"text": [
"For RAM the thing being measured is a little loop of conductive material that, via Serious Engineering, can either be charged or not-charged and *stay* that way for a long time. \n\nReally, the electrical pulses coming from the wall are trickling... | [] | [] | [
[]
] | ||
1vh0ky | what is human trafficking, where is it happening and if it is such a big problem, why don't average people know a thing about it? | As in the title. I'm a pretty aware and intelligent guy (at least I think so), and I know almost nothing about this. Why isn't this all over the news? Once in a while, I hear some alarming statistics about how many people are involved but have never heard a survivor story or anything of the sort. Explain it! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1vh0ky/eli5_what_is_human_trafficking_where_is_it/ | {
"a_id": [
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"text": [
"Human trafficking includes human smuggling, forced prostitution, and slavery -- basically anything where the fundamental freedoms of a human are forcibly withheld.\n\nYou've probably never heard of it ... | [] | [] | [
[],
[
"http://www.unglobalcompact.org/docs/issues_doc/labour/Forced_labour/HUMAN_TRAFFICKING_-_THE_FACTS_-_final.pdf"
],
[]
] | |
54stgo | how can a high-wealth individual effectively drop their income tax rate to zero? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/54stgo/eli5_how_can_a_highwealth_individual_effectively/ | {
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"One of the more effective ways for a very high wealth person to have their income tax rate go to 0, is to show minimal or no income for the year, and spend money borrowed against their long term assets.... | [] | [] | [
[],
[],
[]
] | ||
7e8o5m | how do some areas have more than one power supplier since i would assume they would be using the same power lines and infrastructure? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7e8o5m/eli5_how_do_some_areas_have_more_than_one_power/ | {
"a_id": [
"dq37jnr"
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"score": [
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"text": [
"There are a number of ways thus can be done, but in general the model breaks the system up into different parts. The first part produces electricity. There are numerous power suppliers, e.g. dam operators, coal plant operators, nuclear plant oper... | [] | [] | [
[]
] | ||
87lrj7 | how do scope/optic reticles work? | I was wondering how reticles on guns optics work. Are they drawn on the lens or the inside lens? Are they made inside the optic? And how are they not blurry when seeing through the optic? I mean, it would be ovbiously blurry if you drew the lines on a optic, right? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/87lrj7/eli5_how_do_scopeoptic_reticles_work/ | {
"a_id": [
"dwdvk6i"
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"score": [
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"text": [
"Scopes actually have multiple lenses internally that you can't see. There are (at least) two spots where the lenses bring an image into focus, called the first and second focal planes. These are points where the light from the image in front of... | [] | [] | [
[]
] | |
1fc2or | why can't the fbi shut down all of the child pornography websites when everyone knows where to find them? | Maybe I just don't understand how the deep web works. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1fc2or/eli5why_cant_the_fbi_shut_down_all_of_the_child/ | {
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"text": [
"For a better primer you should really read a few ELI5 about tor and the deep web. The short answer is, we dont REALLY know where to find them. The deep web is much more secure then... | [] | [] | [
[],
[],
[],
[]
] | |
2m6my5 | how is snow formed? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2m6my5/eli5_how_is_snow_formed/ | {
"a_id": [
"cm1djjg"
],
"score": [
24
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"text": [
"way up in the clouds, it's very cold. Water vapour begins freezing piece by piece to tiny particles of dust (or something) called a \"Nucleus.\" \n\nOnce those particles get too big and heavy, they fall to the ground. If the temperature is high ... | [] | [] | [
[]
] | ||
1w1s5t | why does bass carry farther than treble? | More specifically, why when I'm blasting music, I can clearly identify bass notes from far away more clearly than mids or treble? Does it have to do with the fact that subwoofers are just bigger than speakers and tweeters, or is it something involving the amplitude and frequency of the different waves? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1w1s5t/eli5why_does_bass_carry_farther_than_treble/ | {
"a_id": [
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"score": [
6,
2
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"text": [
"Wavelengths, mainly. \nHigher ended notes have a higher frequency, which means they have a shorter wavelength. It has little to do with amplitude, more the fact that because higher notes have a shorter wavelength they have t... | [] | [] | [
[],
[]
] | |
2o59ep | what is a hacker really doing? | I've always wanted to know why hackers are jamming on their keyboards and what they can possibly be doing that requires such precision and speed. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2o59ep/eli5_what_is_a_hacker_really_doing/ | {
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"cmjtfxn",
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"score": [
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"text": [
"What you see in TV and movies is pure bullshit. Hackers don't mash their keyboard with \"precision and speed\".... | [] | [] | [
[],
[],
[],
[],
[],
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[]
] | |
eog1b3 | why are icebergs raising water levels? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/eog1b3/eli5_why_are_icebergs_raising_water_levels/ | {
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"text": [
"It's not icebergs. They float on water and don't change the level when they melt. The problem is the Antarctic and Greenland icesheets. These are on land n... | [] | [] | [
[],
[],
[],
[],
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] | ||
187op3 | why is shingles becoming such a big deal suddenly? | I personally know two people with shingles currently and several others that are friends of friends. I see signs for shingles vaccines all over the place all of the sudden. I don't ever remember it being a big issue or even a common issue in the past. Why is it suddenly a big deal? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/187op3/eli5_why_is_shingles_becoming_such_a_big_deal/ | {
"a_id": [
"c8cif9w"
],
"score": [
2
],
"text": [
"Bad winter weather blows them off of people's roofs. That's why they are more in the news. "
]
} | [] | [] | [
[]
] | |
oofok | how country a arrests a person residing in country b | I'm just asking for a basic outline of how this works. I understand that sometimes Country B can refuse Country A? When does this typically happen? When is it okay for Country A to arrest someone in Country B? When is it not? What's the process like? Do they just have policemen escort you on and off of a plane? Let me ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/oofok/eli5_how_country_a_arrests_a_person_residing_in/ | {
"a_id": [
"c3irw3j",
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"score": [
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15
],
"text": [
"there are extradition treaties in place that say if a person commits a crime in Country A and flees to Country B, then Country B will send him back to Country A for a trial. but not all countries do this, which is why if yo... | [] | [] | [
[],
[]
] | |
opr1r | reddit enhancement suite | What is it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/opr1r/eli5_reddit_enhancement_suite/ | {
"a_id": [
"c3j2vci"
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"score": [
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"text": [
"It's an extension that makes browsing Reddit easier. I love it. To me, the most important features it includes are:\n\nEasy accounting switching, for your sexy novelty account.\n\nThe ability to view images and text from self links while still on... | [] | [] | [
[
"http://redditenhancementsuite.com"
]
] | |
lhmwd | fractional reserve banking, and is inflation caused by it really a 'hidden' tax footed by we the people? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/lhmwd/eli5_fractional_reserve_banking_and_is_inflation/ | {
"a_id": [
"c2srhta",
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"score": [
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8,
12,
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"text": [
"Fractional reserve banking is the simplest thing in the world, believe it or not.\n\nI'm a bank. You have $100. I offer you a deal: Yo... | [] | [] | [
[],
[
"http://everydayecon.wordpress.com/2008/04/21/keynes-on-inflation/",
"http://www.monticello.org/site/jefferson/private-banks-quotation/"
],
[
"http://www.reddit.com/r/JamesCarlin/comments/l6w6u/financial_market_cartel_and_government_collusion/c2q9it3",
"http://images.mises.org/5743/Figur... | ||
cwgsuv | when listening to music on youtube, why does audio quality vary significantly depending on where i adjust the volume? (in-website vs on computer) | To elaborate:
Listening on my laptop, I've just discovered that audio quality is totally different even at the same levels of volume, depending on where I adjust the volume.
* If youtube's built-in volume plugin is set fairly low (say, 25%) but my computers volume is set to 75 or 80%, then the audio quality is notic... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cwgsuv/eli5_when_listening_to_music_on_youtube_why_does/ | {
"a_id": [
"eyb1g8h",
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"score": [
6,
2
],
"text": [
"This is what's called \"gain staging\". \n\nLet's pretend that you have the ability to control the volume on someone's voice via your laptop volume.\n\nIf that person is talking at a normal volume, you can comfortably adjust... | [] | [] | [
[],
[]
] | |
51q3ax | how does tinnitus retraining therapy work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/51q3ax/eli5_how_does_tinnitus_retraining_therapy_work/ | {
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"text": [
"\n1) Cognitive behaviour therapy, or COUNSELLING.\n\nYou are taught how the ear works, and hence how tinnitus occurs. The therapist helps you to understand ... | [] | [] | [
[],
[],
[
"https://mynoise.net/NoiseMachines/whiteNoiseGenerator.php?c=0&l=00000000030715254060"
],
[],
[]
] | ||
9gg2oj | where did magic originate from, and why is it associated with medieval times with knights and dragons? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9gg2oj/eli5_where_did_magic_originate_from_and_why_is_it/ | {
"a_id": [
"e63xjeb",
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"score": [
7,
9
],
"text": [
"In medieval times there was a lot of real suspicion involving things like sorcery and magic and witchcraft while people I believe were even put to death for it. It was, and still is, believed to be supernatural and malevolen... | [] | [] | [
[],
[]
] | ||
490kux | when riding a bicycle, why is it faster to lean when pedaling? | When I'm standing up on my bike, I always lean the bike right when pushing the right pedal, and left when pushing left. Is it something to do with the bike or would the lean help me push harder? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/490kux/eli5_when_riding_a_bicycle_why_is_it_faster_to/ | {
"a_id": [
"d0o4ygs",
"d0o5yr7"
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"score": [
2,
3
],
"text": [
"When you lean, you shift your body weight to that side which with the aid of gravity, gives you more power than if your weight was evenly distributed to both legs or to your ass if you're sitting on the seat.",
"You are ... | [] | [] | [
[],
[]
] | |
fgkg5p | what is the biological function of itchy skin? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fgkg5p/eli5_what_is_the_biological_function_of_itchy_skin/ | {
"a_id": [
"fk52ldg"
],
"score": [
6
],
"text": [
"It's to indicate to you that theres something abnormal about that part of the skin and for you to do something about it (besides scratching). Itching is a type of pain response that the body generates."
]
} | [] | [] | [
[]
] | ||
62f68j | can the economy expand even if the unemployment rate also increases? if not, why? | I think I heard on the news something along the lines that our economy is expanding but also another source say that unemployment rate has gone up. Is this possible? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/62f68j/eli5_can_the_economy_expand_even_if_the/ | {
"a_id": [
"dfm2api"
],
"score": [
3
],
"text": [
"Yes, GDP can increase even as unemployment goes up if workers are more efficient. On a micro scale, imagine a factory that installs more modern production machinery that doubles output even as they cut staff in half. Or two firms merge and can la... | [] | [] | [
[]
] | |
jndvp | why is rape generally considered to be one of the worst crimes anyone can commit? | Using a throwaway for this one, since I don't expect particularly positive reactions, but I really don't understand. A lot of people think rape is worse than, like, murder or battery. I mean, it's essentially forced, hard penetration and intercourse, right? That would be quite unpleasant, but is it really as bad as, or... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/jndvp/eli5_why_is_rape_generally_considered_to_be_one/ | {
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"score": [
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2,
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"text": [
"Trauma from rape is a psychological response to dealing with the situation. Rape is a viciou... | [] | [] | [
[],
[],
[],
[],
[],
[],
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[]
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7v75v3 | why motorcycle racers can completely lean to one side to make a sharp turn then lean back easily while cycling riders cant? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7v75v3/eli5_why_motorcycle_racers_can_completely_lean_to/ | {
"a_id": [
"dtpz71m"
],
"score": [
5
],
"text": [
"The engine in the center of the bike is acting like a gyroscope which will have the effect of amplifying the riders movement. Combine that gyroscopic force with much wider tyres, far more sophisticated suspension and much greater speeds / forces ... | [] | [] | [
[]
] | ||
cla7qn | how do you use a derivative? | I’ve started to learn Lagrange mechanics (because of a meme:] ) through videos and lectures on Youtube. And in every video they use derivatives in calculations. I’d love to know how to use them | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cla7qn/eli5_how_do_you_use_a_derivative/ | {
"a_id": [
"evtzc4w"
],
"score": [
5
],
"text": [
"Derivative is the rate of change. So if you go 5 m/s one second, 7 m/s the next second, 9 m/s the second after that, the derivative of your speed is 2 (or, rather, acceleration is the derivative of speed). The rate of change of a constant functio... | [] | [] | [
[]
] | |
3il0dq | how does one person manage to type out a courtroom's speech in realtime? | Do they just type insanely fast? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3il0dq/eli5_how_does_one_person_manage_to_type_out_a/ | {
"a_id": [
"cuhbcpl",
"cuhbyer"
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"score": [
3,
2
],
"text": [
"Generally they type shorthand (like an early form of texting)and are fast at typing. The shorthand can be later transcribed into longhand.",
"They use what's called a [stenotype](_URL_0_). It uses key combinations and te... | [] | [] | [
[],
[
"http://www.cookandwiley.com/wp-content/uploads/sites/84/2013/12/stenotype-machine-1024x768.jpg"
]
] | |
5w85dr | why do glasses need uv protection when people who don't need glasses are fine without it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5w85dr/eli5_why_do_glasses_need_uv_protection_when/ | {
"a_id": [
"de813ab",
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"score": [
4,
9,
5,
3
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"text": [
"People who don't need glasses are not fine without UV protection.\n\nIf you spend a lot of time outdoors without protecting your eyes, you will have a higher likelihood of developi... | [] | [] | [
[],
[],
[],
[]
] | ||
7vpysz | if air is only 21% oxygen and 78% nitrogen, then how different would our bodies be if we only breathed pure oxygen from birth? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7vpysz/eli5_if_air_is_only_21_oxygen_and_78_nitrogen/ | {
"a_id": [
"dtu5yqz",
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"score": [
3,
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"text": [
"Well, you'd be blind, for one. Pure oxygen makes infants' retinas detach from their eyes. Excess oxygen is toxic after a while because oxygen is very reactive and it does well for ... | [] | [] | [
[],
[],
[],
[]
] | ||
1vcmac | the difference between all the major forms of government: socialist, communist, capitalist etc | I've tried reading up on this stuff but I'm noticing only subtle differences. Especially after reading Karl Marx's "The Communist Manifesto"
What's wrong with Communism and why is it frowned upon in America ? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1vcmac/eli5_the_difference_between_all_the_major_forms/ | {
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3,
2
],
"text": [
"Capitalist is supposed to be very individualistic, more of an \"for me first- I work only for the benefit for me\" kind of society (not saying that's bad)\n\n... | [] | [] | [
[],
[],
[],
[],
[]
] | |
5kay52 | in terms of celebrity deaths, has 2016 actually been a statistically exceptional year? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5kay52/eli5_in_terms_of_celebrity_deaths_has_2016/ | {
"a_id": [
"dbmo0f6",
"dbmo9l4"
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"score": [
6,
2
],
"text": [
"[According to this source, yes.](_URL_0_) But most of the deaths occurred from January-March. ",
"At least in sports, you had 3 major sports (boxing, hockey, golf) lose arguably their most famous (or at worst 2nd/3rd) mo... | [] | [] | [
[
"http://www.bbc.com/news/magazine-38329740"
],
[]
] | ||
3cqq1i | how do car manufacturers make the indicators/turn signals flash faster when one of the bulbs is out? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3cqq1i/eli5_how_do_car_manufacturers_make_the/ | {
"a_id": [
"csy2fnw",
"csy2pak"
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"score": [
3,
2
],
"text": [
"The circuit senses less current going to the bulbs. Even old bi-metalic flashers did this, less current heated the element less so it cooled enough to snap back faster. Since people learned that fast flashing means bulb ou... | [] | [] | [
[],
[]
] | ||
acx4ti | how do things get “stuck in amber”? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/acx4ti/eli5_how_do_things_get_stuck_in_amber/ | {
"a_id": [
"edbjbj5",
"edbjjl5"
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"score": [
2,
3
],
"text": [
"Great minds think alike. Yo ho ho! Yer not alone in askin', and kind strangers have explained:\n\n1. [ELI5: How does an animal/insect get trapped in amber or another preservative? Surely it doesn't just walk into it right? ]... | [] | [] | [
[
"https://np.reddit.com/r/explainlikeimfive/comments/90u9ln/eli5_what_exactly_is_amber_and_how_diddoes_it/",
"https://np.reddit.com/r/explainlikeimfive/comments/5hcctf/eli5_how_does_amber_preserve_fossils_and_creatures/",
"https://np.reddit.com/r/explainlikeimfive/comments/34o3pp/eli5_how_does_an_insec... | ||
3n37my | bill nye recently stated that mars has 40% of the gravity as earth. after considering the detrimental effects zero gravity has on astronauts, what would 40% gravity do to human bodies on mars over time? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3n37my/eli5_bill_nye_recently_stated_that_mars_has_40_of/ | {
"a_id": [
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2,
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"text": [
"The short answer is, we don't know. The Apollo astronauts are the only people to experience partial gravity, and that was only for a f... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Mars_Gravity_Biosatellite"
],
[],
[],
[],
[],
[]
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66iqmh | please eli5 what gates have to do with scandals. why is it called xyz-gate? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/66iqmh/please_eli5_what_gates_have_to_do_with_scandals/ | {
"a_id": [
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"score": [
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2
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"text": [
"In the 1970's, there was a scandal involving a break-in a the Democatic Headquarters at the Watergate offices. When the perpetrators where caught, the investivation led to many arrests, and even implicated then-president Ric... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Watergate_scandal"
]
] | ||
1ncxuv | what is fascism? why did italy adopt it in world war two? and why were there french futurists who wanted it around the 1950's? | I know quite a bit about how socialism works now, and how different it is to communism. I live in a representative democracy, and I know that Marx's ideal (non) state hasn't happened yet. But what's fascism, exactly? and why will it be waving a flag and cross? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ncxuv/what_is_fascism_why_did_italy_adopt_it_in_world/ | {
"a_id": [
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"score": [
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128,
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"text": [
"If you're looking for a answer that involves policy prescriptions, like descriptions of a... | [] | [] | [
[],
[],
[],
[],
[],
[],
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] | |
e9zo0c | the technique that researchers are using on underwater telecom cables to measure seismic activity | > Photonic seismology
>
> The technique the researchers use is Distributed Acoustic Sensing, which employs a photonic device that sends short pulses of laser light down the cable and detects the backscattering created by strain in the cable that is caused by stretching. With interferometry, they can measure ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/e9zo0c/eli5_the_technique_that_researchers_are_using_on/ | {
"a_id": [
"famywgz"
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"score": [
2
],
"text": [
"Telecom cables are big bundles of fiber optic cables. Laser light travels down the fibers to transmit data. If you stress the cable it changes how the light travels and a small but measurable amount will bounce back to the sender, exactly how m... | [] | [
"https://news.berkeley.edu/2019/11/28/underwater-telecom-cables-make-superb-seismic-network/"
] | [
[]
] | |
85ugrz | does an elevated heart rate from playing intense video games count as cardio? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/85ugrz/eli5_does_an_elevated_heart_rate_from_playing/ | {
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"dw050dg",
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"score": [
53,
6,
41,
3
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"text": [
"Elevating your heart rate by itself isn't necessarily helpful. It's in conjunction with other aspects of exercise that it benefits you. Simply raising the heart rate alone puts s... | [] | [] | [
[],
[],
[],
[]
] | ||
5zbthr | why is it that when we drink too much milk too fast we will bloated and our stomach hurts? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5zbthr/eli5_why_is_it_that_when_we_drink_too_much_milk/ | {
"a_id": [
"dewuj6y"
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"score": [
3
],
"text": [
"Your body produces an enzyme called lactase in your stomach. This is needed to process the lactose in the milk. If you drink more milk than your body can supply lactase to process it, you'll feel bad.\n"
]
} | [] | [] | [
[]
] | ||
2136xo | what's happening when a tab on my browser or a program i'm running freezes and becomes unresponsive for a minute and then goes back to normal? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2136xo/eli5_whats_happening_when_a_tab_on_my_browser_or/ | {
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"text": [
"Usually (as in 99% of the time), some piece of code is executing for longer than it should because it's waiting for some other resource to become available (e.g.: disk access).",
"To understand this, you need a bit of i... | [] | [] | [
[],
[]
] | ||
f3z3ou | how does my alexa not go crazy and respond to every alexa commercial it hears on the tv/radio? i feel like i should have a lot of unnecessary merchandise on my doorstep. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f3z3ou/eli5_how_does_my_alexa_not_go_crazy_and_respond/ | {
"a_id": [
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"text": [
"Commercials for these products don't play audio in the frequency the devices pick up. Basically, humans can hear the ad but the devices can't. This was a smart decision. It was probably slightly less smart on Amazon's part to use a name that is c... | [] | [] | [
[]
] | ||
w2g7f | what would happen if a container was opened and closed in space... then brought back to earth? what would be inside? | I don't understand very much about space, space physics, etc. so I have no idea what would happen.
Here's my hypothetical: If you opened a container (let's say a tupperware box) in space, closed it after a few minutes, brought it back down to earth, and opened it... what would be inside?
Would nothing be inside and a... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/w2g7f/eli5_what_would_happen_if_a_container_was_opened/ | {
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... | [] | [] | [
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"http://i.imgur.com/d5G7r.jpg"
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1xuxvy | why do we take anti-inflammatory medicine for an injury. isn't your body inflaming the injury to promote healing? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1xuxvy/why_do_we_take_antiinflammatory_medicine_for_an/ | {
"a_id": [
"cfeum6c",
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"score": [
14,
2
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"text": [
"You are 100% correct in saying that inflammation is the body's way of promoting healing. However, inflammation can be categorized into one of two types: acute and chronic.\n\nAcute inflammation is \"healthy\". It promotes h... | [] | [] | [
[],
[]
] | ||
ako1uy | why are mobile game advertising agencies allowed to use screenshots and gameplay videos that are not from their game. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ako1uy/eli5_why_are_mobile_game_advertising_agencies/ | {
"a_id": [
"ef6csmo"
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"score": [
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"text": [
"It's not legal; heck, even just playing a video game and broadcasting it (e.g. a Let's Play video) is not super-legal.\n\nBut issues of copyright rely on the copyright holder to pursue their rights. You can post content which you don't have the ... | [] | [] | [
[]
] | ||
3zw9m9 | if you're in the desert with a full bladder, but no water, will your body "recycle" the pee to hydrate you? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3zw9m9/eli5_if_youre_in_the_desert_with_a_full_bladder/ | {
"a_id": [
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"text": [
"From your bladder...no. Thats viewed as waste from your bodies perspective. It got rid of it for a reason, it doesnt want to reuse it.\n\nYou can redrink it but thats only useful like once if you were ... | [] | [] | [
[],
[],
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3gcc3e | how do car sales/discounts actually work? | This might sound dumb, but what does it really mean when a dealer says "this weekend, $500 cash back!"
Since the price is negotiated, how can you give a dollar amount off? For example, if a car is $30,000, and can I negotiate it down to $27,000, wouldn't a $500 discount just mean that they start the price at $29,... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3gcc3e/eli5_how_do_car_salesdiscounts_actually_work/ | {
"a_id": [
"ctwswhw",
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"score": [
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"text": [
"The price will still start at $30,000 but he'll only let you negotiate down to $27,500, then he'll give you a $500 discount to make you feel even better.",
"Its all marketing. I used to sell cars and hate their business ... | [] | [] | [
[],
[]
] | |
ebq5da | where does physical money go after the bank? | Those armored car people, where do they take it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ebq5da/eli5_where_does_physical_money_go_after_the_bank/ | {
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"text": [
"Wherever it needs to go. Quite a lot of cash is going TO the bank, rather than from it, but they will also take cash to ATMs and small bills and coins for change to stores (taking... | [] | [] | [
[],
[],
[],
[]
] | |
293lsf | why do corals count as animals? | Where exactly is the borderline between plants and animals? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/293lsf/eli5_why_do_corals_count_as_animals/ | {
"a_id": [
"cih3fag"
],
"score": [
9
],
"text": [
"No. The entire thing you think of as the coral isn't the animal, it's the colony of animals. What you think of a \"the coral\" is really a collection of millions of animals. The single animal is only millimeters in size typically."
]
} | [] | [] | [
[]
] | |
667wqh | why do radio shows never turn the volume up for callers to balance out the level of the voices. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/667wqh/eli5_why_do_radio_shows_never_turn_the_volume_up/ | {
"a_id": [
"dggdpbm"
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"score": [
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"text": [
"I’ve done radio before and trust me you don’t want to be constantly messing with levels once you got things generally sounding good level wise. The producer is going to be busy enough working the board to control other audio aspects. The produc... | [] | [] | [
[]
] | ||
a2c7cg | how does the machine that finds the biggest ever prime number actually work? | I'm thinking about all the calculations it must do. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a2c7cg/eli5_how_does_the_machine_that_finds_the_biggest/ | {
"a_id": [
"eawwvzl"
],
"score": [
17
],
"text": [
"All the largest known prime numbers are [Mersenne primes](_URL_0_). Mersenne primes are prime numbers of the form 2^(n)-1. \n\nNormally, checking whether a number is prime is a pretty difficult task - there are deterministic algorithms which tak... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Mersenne_prime",
"https://en.wikipedia.org/wiki/Lucas%E2%80%93Lehmer_primality_test"
]
] | |
4brorz | how does soap clean our body if it's being constantly rubbed on our dirty body? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4brorz/eli5_how_does_soap_clean_our_body_if_its_being/ | {
"a_id": [
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"text": [
"You know how water and oil don't mix? Soap breaks up the oil from skin into smaller drops, which can mix with the water. Soap has two distinct molecules in it that help basically pull up things like dirt and grime and grease... | [] | [] | [
[],
[]
] | |
3njbcw | why is there no replays for soccer, unlike football and basketball? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3njbcw/eli5_why_is_there_no_replays_for_soccer_unlike/ | {
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" \"tradition\" (no stoppages, the ref is the ultimately on the authority on the field, whatever), but I read/heard somewhere that soccer/FIFA like controservy since it adds intrigue and interest to matches, and helps build r... | [] | [] | [
[],
[]
] | ||
4nkk7k | what are the different chapters of bankruptcy? | I've heard a lot about chapter 7 & 11 recently, what is the difference between these? Are there really at least 11 types of bankruptcy? We have the term administration in the UK, does this relate to this as well?
Thanks! | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4nkk7k/eli5_what_are_the_different_chapters_of_bankruptcy/ | {
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"text": [
"The chapters are from [Title 11 of the US Code](_URL_0_) (Federal law). A few of its chapters are no more, and a few others are general legal stuff. The rest (7, 9, 11, 12, 13, and 15) define specific procedures, and give them their common names.... | [] | [] | [
[
"https://www.law.cornell.edu/uscode/text/11"
]
] | |
9ozpvf | what is the difference between a written and an unwritten constitution? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9ozpvf/eli5_what_is_the_difference_between_a_written_and/ | {
"a_id": [
"e7xxszn"
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"text": [
"A written constitution is when there is an explicit document, or set of documents, that state how the government is set up and what sort of laws they can or cannot pass. Usually it would also set out a procedure for how the constitution could be ... | [] | [] | [
[]
] | ||
4zg6ws | why have we only just discovered proxima centauri b, despite discovering thousands of other exoplanets hundreds of light-years away? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4zg6ws/eli5_why_have_we_only_just_discovered_proxima/ | {
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"text": [
"Because it is relatively small and most of those other exoplanets we've found are supergiants. Planets so big they significantly block out the light from their star, or even shift their star in space, ... | [] | [] | [
[],
[],
[]
] | ||
421tha | how can people be held responsible for knowing the law when it's basically impossible to know it all. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/421tha/eli5_how_can_people_be_held_responsible_for/ | {
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... | [] | [] | [
[],
[],
[],
[],
[],
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"http://lawcomic.net/guide/?p=1008",
"http://lawcomic.net/guide/?p=1182",
"http://lawcomic.net/guide/?p=173"
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[],
[],
[],
[],
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6m5xt6 | why are nosebleeds so common and normal? if we started bleeding from anywhere else it would be concerning, but nosebleeds are "just nosebleeds." | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6m5xt6/eli5_why_are_nosebleeds_so_common_and_normal_if/ | {
"a_id": [
"djz5x4n",
"djz5z8o"
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"score": [
2,
6
],
"text": [
"Because there is are a lot of blood vessels in your nose, and a lot of those are very close to the surface. When scratched, they are easily ruptured which causes your nose bleed. They are also very easily stopped most of the... | [] | [] | [
[],
[]
] | ||
cumdm9 | what is happening when you hear or see something for the first time and suddenly hear or see it everywhere? | For instance; I heard the phrase "bad actors" on a podcast the other day and all of a sudden I'm hearing it on everything. The news, almost every other podcast I listen to, Reddit posts. Just. Everything. This has happened to me before with perogies. Is it just selective hearing or is the phrase just all over the place... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cumdm9/eli5_what_is_happening_when_you_hear_or_see/ | {
"a_id": [
"exvtvyh"
],
"score": [
18
],
"text": [
"It's referred to as a frequency illusion out the Baader-Meinhof phenomenon. Often it's all around you but you never thought about it and suddenly it comes to your attention"
]
} | [] | [] | [
[]
] | |
4xg1ly | what dictates the explosive yield of a nuclear warhead? | What are the main factors that contribute to the explosive power of a nuclear warhead? Is to do with the size of the bomb? The difference in chemical build? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4xg1ly/eli5_what_dictates_the_explosive_yield_of_a/ | {
"a_id": [
"d6f5wso",
"d6hl1wv"
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"score": [
4,
2
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"text": [
"In part, a lot of things.\n\nThe chemicals don't matter as much (The chemical explosives that is).\n\nThough the size of the 'bomb' is a fair part of it.\n\nThere is a certain thing called \"Criticality\" when dealing with n... | [] | [] | [
[],
[]
] | |
3rkove | how does a digital alarm clocks automatically know what time it is when you plug it in? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3rkove/eli5_how_does_a_digital_alarm_clocks/ | {
"a_id": [
"cwowzrx",
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"score": [
2,
5
],
"text": [
"there is a watch battery inside the clock that is dedicated to keeping track of the time it was set too. It doesnt have to display anything so it can last a very long time.",
"there's a battery backup. usually a 9V or a... | [] | [] | [
[],
[]
] | ||
2gaqz2 | how does movie dubbing work? how can you still hear (e.g. background noises) but not the original voice of the actor on the background? how do they cancel it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2gaqz2/eli5_how_does_movie_dubbing_work_how_can_you/ | {
"a_id": [
"ckh8tfe",
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"score": [
8,
5
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"text": [
"They are recorded on separate audio tracks. \n\nThe actors voices and all dialogue is recorded from the microphones, while other microphones record the ambient sounds separately. These are then mixed back together to create... | [] | [] | [
[],
[]
] | ||
2ips8a | why do people cover up the cameras on their laptops with stickers or post it notes? | if someone has access to the camera on your laptop, don't you have bigger issues than someone staring at your face? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ips8a/eli5_why_do_people_cover_up_the_cameras_on_their/ | {
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"score": [
4,
2,
2,
6,
3,
3,
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"text": [
"I guess so the hacker 4Chan cant masturbate to you watching the Simpsons on Netflix. ",
"So \"they\" can't wat... | [] | [] | [
[],
[],
[],
[],
[],
[],
[
"http://www.huffingtonpost.com/2010/02/18/harriton-high-school-spie_n_467491.html"
]
] | |
2yv2o5 | where do microwaves go when the microwave oven turns off? | I know the magnetron emits microwaves, which are about the size and length of a pencil, and they bounce all around inside the metal box, heating my food up, and being absorbed. But when I fling the door open mid cycle, where do the microwaves go that are actively bouncing around? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2yv2o5/eli5_where_do_microwaves_go_when_the_microwave/ | {
"a_id": [
"cpd7sro",
"cpd7tjd"
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"score": [
3,
2
],
"text": [
"they aren't actively bouncing around. The instant you pull the door open the part which creates the microwaves turns off and instantly the microwaves are absorbed, even if they bounce off the sides a few thousand times, you... | [] | [] | [
[],
[]
] | |
2f83h5 | what happens after someone loses/gets their credit card stolen? | If fraudulent purchases are made, who takes the loss? The bank? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2f83h5/eli5_what_happens_after_someone_losesgets_their/ | {
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"ck6ru9s",
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"score": [
2,
4,
2,
2
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"text": [
"In the US, there are laws that say that the bank is responsible for all but $50 of fraudulent charges. In my experience, they just eat it all, cancel the old account, and send new ... | [] | [] | [
[],
[],
[],
[]
] | |
5x4h2e | what happens when we get headaches and why does a glass of water sometimes cure it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5x4h2e/eli5_what_happens_when_we_get_headaches_and_why/ | {
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"score": [
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24,
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3
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"text": [
"Headaches are caused by vasoconstriction (tightening of the blood vessels), which results in pain. One of the causes of vasoconstriction is dehydration, which explains why drink... | [] | [] | [
[],
[],
[],
[
"https://www.researchgate.net/publication/7707380_The_Effects_of_Dehydration_on_Brain_Volume_-_Preliminary_Results",
"http://universityhealthnews.com/daily/pain/dehydration-headache/"
]
] | ||
fk7wfh | how can my chromecast keep casting my livestream even though the main source (my phone) runs out of battery? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fk7wfh/eli5_how_can_my_chromecast_keep_casting_my/ | {
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"fkr4ebf",
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"score": [
4,
2,
2
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"text": [
"Not 100% sure, but I think if you stream a youtube video, you only tell chromecast which one you want to watch. So you're not actually streaming.",
"All your phone does is go to your TV and say \"he... | [] | [] | [
[],
[],
[
"https://www.youtube.com/tv?castv=2.0"
]
] | ||
1jmuvn | why do we move with the motion of a vehicle moving and the vehicle not slip out from underneath when we jump? | I dont know if i worded it correctly, but when we jump with a train we stay in the same spot, but things like skateboards i guess you can jump and it will go out in front slightly or completely | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1jmuvn/eli5_why_do_we_move_with_the_motion_of_a_vehicle/ | {
"a_id": [
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"score": [
2,
2
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"text": [
"Because you are completely enclosed inside a train or a car moving at the same rate as everything else around you, whereas when you jump from a skateboard you are encountering more wind resistance and the skateboard is encou... | [] | [] | [
[],
[]
] | |
32oad4 | why is it that i enjoy listening to a song i like on the radio more than i like on my phone/personal music player? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/32oad4/eli5_why_is_it_that_i_enjoy_listening_to_a_song_i/ | {
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12,
6,
3,
31,
3
],
"text": [
"You don't have any control over what is on the radio. When you hear a song, you have to listen to it or try changing the station.\n\nWhen listening on your ... | [] | [] | [
[],
[
"http://www.cnet.com/news/compression-is-killing-your-music/"
],
[],
[],
[]
] | ||
38ozxp | how are crimes seemingly without evidence actually investigated? | If I drove to a random house, went in with gloves on and whatnot, and just shot the guy inside, then walked out and drove away, and there were no witnesses, how would they even figure out it was me? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/38ozxp/eli5_how_are_crimes_seemingly_without_evidence/ | {
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"score": [
3,
3,
3,
2,
3,
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2
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"text": [
"Depending on how lazy the police are, they may not bother with a serious investigation. They'll just do the custom... | [] | [] | [
[],
[],
[],
[],
[],
[],
[
"http://www.npr.org/2015/03/30/395069137/open-cases-why-one-third-of-murders-in-america-go-unresolved"
]
] | |
t926e | blacklights. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/t926e/eli5_blacklights/ | {
"a_id": [
"c4kkhac",
"c4kppyd"
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"score": [
2,
5
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"text": [
"They output ultraviolet radiation. It's the same as visible light, just in a range that humans can't see. Some critters like bees are able to see UV.\n\n",
"A normal light bulb or torch, emits a wide range of light, bu... | [] | [] | [
[],
[
"http://thescienceroom.pbworks.com/f/1258654205/spectrum.gif"
]
] | ||
2mc4vn | how gruber/obamacare is accused of gamed the cbo | I read [this article](_URL_0_) a couple times and I still can't figure it out. Wasn't the individual mandate a tax because if you don't buy insurance and you're not excepted then you are taxed? How did this affect the CBO analysis? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2mc4vn/eli5_how_gruberobamacare_is_accused_of_gamed_the/ | {
"a_id": [
"cm2wgkl"
],
"score": [
3
],
"text": [
"In the weird world of Washington accounting, things are either a federal tax/spending, at which point they go on the federal books (i.e. are part of the federal budget), or not. It's the CBO's job to decide what's what, and the rules are incredib... | [] | [
"http://online.wsj.com/articles/jonathan-grubers-stupid-budget-tricks-1416009107"
] | [
[]
] | |
2mm7f0 | what is freebasing (the drug practice), why is it used, and how is it better than doing drugs other ways? | EDIT: I saw this term used in the [The Monster by Eminem parody video](_URL_0_) and also my boss mentioned it at work a couple of weeks ago, and when he tried to explain it I was still confused. That's why I'm asking. Just for clarification. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2mm7f0/eli5_what_is_freebasing_the_drug_practice_why_is/ | {
"a_id": [
"cm5jlu7"
],
"score": [
2
],
"text": [
"Molecules can be divided into two categories, polar and non-polar. Roughly speaking non-polar molecules are symmetrical (so their charge is distributed evenly) and polar are not. There is a rule known as *like dissolves like*. What this means ... | [] | [
"http://youtu.be/hIwiliEOiCk?t=1m10s"
] | [
[]
] | |
bg1lid | how do negative interest rate countries function? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bg1lid/eli5_how_do_negative_interest_rate_countries/ | {
"a_id": [
"elhydjy",
"elil65y"
],
"score": [
2,
2
],
"text": [
"In short, they don't function properly. Negative interest rates are a sign of economic failure, and whatever's causing them has to be fixed.",
"Imagine you're in a town that nobody is spending any money more than the bar... | [] | [] | [
[],
[]
] | ||
27cq9q | why is the word "lose" misspelled "loose" so frequently on the internet. | Did I miss some sort of trend? How did this manifest into such a large scale usage. Because the word loose is an actual word but it means something completely different. Am I going insane? Do people actually elongate the "ooo" sound when they say lose in real life? Is this even real life | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/27cq9q/eli5_why_is_the_word_lose_misspelled_loose_so/ | {
"a_id": [
"chzjbel",
"chzjd23",
"chzjd9p",
"chzkq0z",
"chzktwd",
"chzl080"
],
"score": [
10,
3,
7,
4,
3,
2
],
"text": [
"Well, think about how \"lose\" is pronounced. To an ~~illiterate person~~ phonetic speller, it should be spelled with the \"oo\" sound ... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | |
duu80t | what's the purpose of making music in different keys? | Also how do I transform from one key to another? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/duu80t/eli5_whats_the_purpose_of_making_music_in/ | {
"a_id": [
"f789blq",
"f78a320",
"f78lodx"
],
"score": [
2,
6,
5
],
"text": [
"All notes exist in relation to another note. E.G. an A is a whole one lower than a B. If you change key you simply move that \"A\" to some other note - say a C - and then other notes plaid use the sam... | [] | [] | [
[],
[],
[]
] | |
lfdlr | what's the difference between sikh and hindi? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/lfdlr/whats_the_difference_between_sikh_and_hindi/ | {
"a_id": [
"c2s7zph",
"c2s98of",
"c2s7zph",
"c2s98of"
],
"score": [
19,
7,
19,
7
],
"text": [
"A Sikh is a follower of Sikhism, a religion.\n\nHindi is an official language of India.\n\n",
"I'll assume you're referring to Hinduism, the religion, and not Hindi, the lang... | [] | [] | [
[],
[],
[],
[]
] |
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