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 |
|---|---|---|---|---|---|---|---|---|---|
48pt5d | why is it that when flies land on our lcd/led screens, they don't get affected when we move windows or make some rapid movement which results in some colour change in the screen? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/48pt5d/eli5why_is_it_that_when_flies_land_on_our_lcdled/ | {
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"text": [
"As in, the fly doesn't get scared and fly away?\n\nI dont have an answer, but just trying to understand the question better.",
"Fly fear responses are based mostly on air currents and visual stimul... | [] | [] | [
[],
[],
[]
] | ||
817itq | how are molds for shaping molten metal made? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/817itq/eli5_how_are_molds_for_shaping_molten_metal_made/ | {
"a_id": [
"dv113ba"
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"score": [
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"text": [
"Generally the cycle stops when you make the original mold out of ceramic (which generally has a very high heat resistance) one time."
]
} | [] | [] | [
[]
] | ||
e2eeip | why are the doors bigger on 2 door cars? | I mean obviously, I get that there’s more space to make them larger; but from a manufacturing point of view, surely it’s easier to only make smaller doors made for the 4 door models, and just use them on the 2 models as well?
On top of that, two door’s struggle to fit into tighter parking spaces because the larger doo... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/e2eeip/eli5_why_are_the_doors_bigger_on_2_door_cars/ | {
"a_id": [
"f8uz3wq"
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"score": [
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"text": [
"If the car is 2 door but still have 2 rows of seats you need larger door else it would be almost impossible to get into the back seats.\n\nI have not idea if there is a car with a 2 and 4 door variant where the 2 door variant only has front seat... | [] | [] | [
[]
] | |
4rrh18 | how do credit cards and scanners work? | From the time I swipe my card for X amount of money to when I look at my bank account to see that the money is X amount lower, what's going on in between? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4rrh18/eli5_how_do_credit_cards_and_scanners_work/ | {
"a_id": [
"d53igr5"
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"score": [
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"text": [
"Swiping your card is just having your magnetic strip read by a head in the device (think about cassette tapes or VHS tapes). It pulls your number from your card, and then over the internet, contacts the bank to authorize the transaction.\n\nThe ... | [] | [] | [
[]
] | |
2flceq | as i understand it, our bodies react to illnesses with symptoms (e.g. we are sick to expel harmful bacteria in the stomach). however it is the symptoms of illnesses that often kill us (e.g. dehydration from diarrhea). so what would happen to someone whose body did not react to an illness? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2flceq/eli5_as_i_understand_it_our_bodies_react_to/ | {
"a_id": [
"ckabwrx",
"ckabzqe"
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"score": [
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"text": [
"We can see what happens to people who's bodies don't react to sicknesses by examining severely immune-compromised patents such as those with Acquired Immunodeficiency Syndrome (AIDS). They die, horribly and in short order.",... | [] | [] | [
[],
[]
] | ||
18olax | why does r/atheism have a hate crime petition being circulated against it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/18olax/eli5_why_does_ratheism_have_a_hate_crime_petition/ | {
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"text": [
"R/Atheism is now large enough to be a default sub-reddit for new members. Christians can't stand that.",
"/r/atheism spends a lot of time making fun of r... | [] | [] | [
[],
[
"http://www.theonion.com/articles/no-one-murdered-because-of-this-image,29553/"
],
[],
[],
[]
] | ||
37wjb3 | why are foxes not a popular pet to have, they're like a mix between a cat and a dog | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/37wjb3/eli5why_are_foxes_not_a_popular_pet_to_have/ | {
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"score": [
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3,
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"text": [
"They're not legal to have. Animal rights laws prohibit the domestication of new animal species as it requires cruel practices to achieve.\n\nRussia has soldiered on, and while the... | [] | [] | [
[],
[],
[],
[
"http://www.radiolab.org/story/91696-new-nice/"
]
] | ||
2kbw0j | why some heritage sites are not fully restored, i.e parthenon? | I know work is done to preserve it but why not stuff like that to return it to its former glory. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2kbw0j/eli5why_some_heritage_sites_are_not_fully/ | {
"a_id": [
"cljs61s",
"cljto6h"
],
"score": [
2,
2
],
"text": [
"Because 1) when we say restore what we really mean is rebuild over the top of what is actually there and 2) that costs a lot of money, these things weren't cheap to build then and they are still expensive now. \n\nAlso I don... | [] | [] | [
[],
[]
] | |
1q1dsr | stock market indexes | You hear on the news all the time that "The Dow was up X points today" . What exactly is a point? Can I invest in the Dow and when i hear this know my investment went up x amounts of dollars that day? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1q1dsr/eli5_stock_market_indexes/ | {
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"text": [
"It's more of an indicator of overall economic strength. Seeing the Dow go up X points leads people to say \"Hey I'm a stockholder in 3 companies on the dow, i... | [] | [] | [
[],
[
"http://www.macsolarindex.com/stocks_in_the_index.php",
"http://www.google.com/finance?q=INDEXDJX%3A.DJI&ei=B4F6UsDkHYypsgeteg",
"http://www.google.com/finance?q=DIA&ei=YoF6UvDpFuansgfu-QE"
],
[],
[
"http://en.wikipedia.org/wiki/Dow_Jones_Industrial_Average"
],
[]
] | |
dcuyre | if it’s racist for a white person to do “blackface”, is it also considered racist for a black person to do “whiteface”? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dcuyre/eli5_if_its_racist_for_a_white_person_to_do/ | {
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"text": [
"I would hope so...kind of missing the concept if it wasn't right?",
"It's equally racist for anyone to dress or apply makeup in order to appear as another race.\n\nWhether or n... | [] | [] | [
[],
[],
[],
[]
] | ||
2fl0ht | lip-syncing/miming as a practice widely-accepted both by fans and the music industry? | As a live music nut, I prefer my music actually sung by the musicians as intended, rather than hearing a track that is being mimed by a "singer." So why does fans of musicians, mostly of pop artists, accept this as part of the live music experience, and not expect more out of their dollar? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2fl0ht/eli5_lipsyncingmiming_as_a_practice/ | {
"a_id": [
"cka8xjz",
"ckaaq33"
],
"score": [
3,
2
],
"text": [
"Because you are thinking about pop concerts the wrong way. Think of live pop artists as performers for the night instead of musicians. The concert is just an elaborate stage show. There is still singing, by the way.",
"D... | [] | [] | [
[],
[]
] | |
1jkdvs | r/braveryjerk | Is this essentially a circle jerk for Snoop Dogg fans?
Why bravery?
What's all the Ron Paul stuff?
Thanks,
Narwhal212 | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1jkdvs/eli5rbraveryjerk/ | {
"a_id": [
"cbfiqqj",
"cbfmaqy"
],
"score": [
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4
],
"text": [
"It's a fifth level circlejerk. They're mocking the mockery that is mocking Reddit using lowest common denominator mockery tactics. Snoop just does what Snoop does. Don't try to make sense of any of his actions.",
"As ... | [] | [] | [
[],
[]
] | |
4vqpna | when they say that bees "dance" to describe the location of flowers to other bees, what exactly are they doing and how are other bees able to interpret this? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4vqpna/eli5_when_they_say_that_bees_dance_to_describe/ | {
"a_id": [
"d60od3f",
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"score": [
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3
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"text": [
"It's called the waggle dance, and will blow your mind. Basically, the bees do their dance at an angle from a vertical line, and the angle from the vertical is the angle from the sun.\nThis video does a great job explaining:... | [] | [] | [
[
"https://m.youtube.com/watch?v=-7ijI-g4jHg"
],
[]
] | ||
5tjkg1 | why do the pictures nasa releases to the public look like cgi? | I always notice that NASA releases photos and they almost always looks like CGI planets rather than real ones. Why is this? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5tjkg1/eli5why_do_the_pictures_nasa_releases_to_the/ | {
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"score": [
44,
105,
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"text": [
"A lot of NASA images are color enhanced because most of the light is outside our visual spectrum. There's als... | [] | [] | [
[],
[],
[],
[],
[
"http://eoimages.gsfc.nasa.gov/images/imagerecords/86000/86353/globe_epc_2015198_lrg.jpg",
"https://www.nasa.gov/sites/default/files/thumbnails/image/earth_and_limb_m1199291564l_color_2stretch_mask_0.jpg"
],
[],
[]
] | |
1fz998 | the drone war in pakistan. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1fz998/eli5_the_drone_war_in_pakistan/ | {
"a_id": [
"caf8cu6",
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"score": [
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5
],
"text": [
"Killing people with robots is more effective than killing people with other people. /thread. ",
"Since nobody else has mentioned much, I'll go into some details. As a precursor, keep in mind that drone strikes are genera... | [] | [] | [
[],
[
"http://www.foreignaffairs.com/articles/67939/peter-bergen-and-katherine-tiedemann/washingtons-phantom-war",
"http://natsec.newamerica.net/drones/pakistan/analysis",
"http://www.bbc.co.uk/news/world-22820208",
"http://www.cfr.org/counterterrorism/targeted-killings/p9627#p5",
"http://www.... | ||
6qqz3e | how do online streaming services like netflix determine what shows are financially successful without traditional tv ratings and advertisements? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6qqz3e/eli5_how_do_online_streaming_services_like/ | {
"a_id": [
"dkzas8t",
"dkzbky6"
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"score": [
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2
],
"text": [
"They know exactly what shows new subscribers watch, along with what shows on-going subscribers watch. They know when they watch and how long they watch.",
"They dont share their specific view info or what they look at to... | [] | [] | [
[],
[]
] | |
9uv4u7 | how do people make compilation videos? | Do people just download every single videos through mp4 downloader, one by one and just pile it up? If they do then that sounds really exhausting. Or is there another method? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9uv4u7/eli5_how_do_people_make_compilation_videos/ | {
"a_id": [
"e979ku9"
],
"score": [
3
],
"text": [
"In most cases, yes, people download or gather all the source footage (download a movie, download internet videos from YouTube, etc).\n\nIn some cases, they record the screen during the part of their footage that they know they want. This is much ... | [] | [] | [
[]
] | |
dfuhgm | how do we make really small things. | For example, a phone camera sensor with 20mp, that’s 20 million pixels. The size scale is so small it’s like trying to imagine the size of the universe. How do we make things so small. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dfuhgm/eli5_how_do_we_make_really_small_things/ | {
"a_id": [
"f35vk0c",
"f35xjrd"
],
"score": [
2,
5
],
"text": [
"In terms of electronics\n\nWe got really good at making precise silicon structures. In the macroscopic world we talk about resistors and transistors and capacitors but in the microscopic world it's just a few strips on metal... | [] | [] | [
[],
[]
] | |
3gsmm9 | why are people upset about target's removal of gendered signs? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3gsmm9/eli5_why_are_people_upset_about_targets_removal/ | {
"a_id": [
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"text": [
"I think some people are upset because of the \"pussification\" of the US. Everything is becoming to PC. Everyone is afraid of offending everyone else. ",
"I think it's just v... | [] | [] | [
[],
[],
[],
[]
] | ||
fhrnhz | why does good weather (sunny, warm) instantly seem to improve one’s mood? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fhrnhz/eli5_why_does_good_weather_sunny_warm_instantly/ | {
"a_id": [
"fkcx99u",
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"score": [
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"text": [
"Not down here in (North) Florida. We look outside and think \"ah shit another sunny day, I bet it's a sauna out there\"... Most of us are grateful for the cloudy, rainy, and cooler days since they tend ... | [] | [] | [
[],
[],
[]
] | ||
1r005x | why does the tempo of a song seem slower than you remember sometimes? | This one song which I've heard hundreds of times sounds ridiculously slow today... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1r005x/eli5_why_does_the_tempo_of_a_song_seem_slower/ | {
"a_id": [
"cdiasb6",
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"score": [
14,
4,
2
],
"text": [
"Did you drink a lot of caffeine? \n\nI'm no neuroscientist, but I believe that when you are in a higher energetic state (high adrenaline, caffeine buzz, excited in general), your perception of time cha... | [] | [] | [
[],
[
"http://cogprints.org/644/1/tempo.htm"
],
[]
] | |
3d1o22 | how do people learn their native language? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3d1o22/eli5_how_do_people_learn_their_native_language/ | {
"a_id": [
"ct0yovs"
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"score": [
4
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"text": [
"Mimicry and watching a lot. Parents talk, and babies listen even when we don't think they're paying attention. Sounds that get a response are reinforced, so they make them more often. Eventually parents start pointing to stuff and making sounds, ... | [] | [] | [
[]
] | ||
mmdsj | the milgram experiment and its singnificance to psychology | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/mmdsj/eli5_the_milgram_experiment_and_its_singnificance/ | {
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"text": [
"To understand the Milgram experiments (there was more than one) you need to remember that it... | [] | [] | [
[],
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] | ||
5nyxg9 | why did it take so long for humans to realize that there was a relationship between hygiene and health? | If I'm not mistaken, even a couple hundred years ago people in Europe were dumping their sewage in the streets and what not. Didn't some civilization cement the idea that bad hygiene correlated with bad health? I know there were some practices that go way back, such as the Indus Valley civilization, but why didn't it ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5nyxg9/eli5_why_did_it_take_so_long_for_humans_to/ | {
"a_id": [
"dcfb0vc",
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"score": [
2,
2,
4,
2
],
"text": [
"What is infection? Are you trying to tell me that tiny invisible life forms live in the water and on every surface are the things that make us sick? These things we can't see are t... | [] | [] | [
[],
[],
[],
[]
] | |
22ld57 | the thought process behind deciding different fines for different crimes. | I'm studying human trafficking and in many countries the fine for drug trafficking can be up to a hundred times the fine for trafficking a human. Are fines decided on some sort of scale? What is stopping us from making fines so high that they are more prohibitive? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/22ld57/eli5_the_thought_process_behind_deciding/ | {
"a_id": [
"cgny9d7"
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"score": [
5
],
"text": [
"Speaking only for the U.S.-Fines are usually determined by statute, a.k.a. legislature made law. They're not subject to any calculation or matrix to determine how severe they should be for any particular crime (usually, though things like speedin... | [] | [] | [
[]
] | |
6orlp2 | how did we come to agree that working 8 hours a day for 5 days a week is the norm? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6orlp2/eli5_how_did_we_come_to_agree_that_working_8/ | {
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11,
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36,
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2
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"text": [
"You can thank unions for that. Before they stepped in, we worked 7 days a week with no cut-offs or OT. ",
"Eight hours of sleep, eight hours of work, an... | [] | [] | [
[],
[],
[],
[
"https://www.reddit.com/r/explainlikeimfive/comments/35pgef/eli5_why_is_40_hours_a_week_considered_a_full/",
"https://www.reddit.com/r/explainlikeimfive/comments/3q9rp3/eli5why_do_we_work_5_days_per_week/",
"https://www.reddit.com/r/explainlikeimfive/comments/4ayhok/eli5_who_decided_... | ||
4nxgkk | when a car traveling 50mph hits another car head-on also traveling 50mph it hits it with the force of a car hitting a brick wall at 50mph. why isn't it more forceful? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4nxgkk/eli5_when_a_car_traveling_50mph_hits_another_car/ | {
"a_id": [
"d47r0ib",
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"score": [
46,
6,
4
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"text": [
"If both cars are a similar mass, then they will both stop. Both cars will have a speed change of 50 MPH. The change in speed is what causes the forces in a crash, so coming to a stop by hitting a wall,... | [] | [] | [
[],
[],
[]
] | ||
7zrkfd | why is it that physically intensive manual labor is known to cause permanent injuries through wear-and-tear, but frequently working out/weight lifting isn't? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7zrkfd/eli5_why_is_it_that_physically_intensive_manual/ | {
"a_id": [
"duq74ty",
"duq79sb",
"duq7nrt"
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"score": [
5,
3,
2
],
"text": [
"Actually it is. Lots of serious athletes have substantial wear-and-tear on their bodies. However, modern athletes have the ability to tune their workouts to minimize this, while when it's your job, you ... | [] | [] | [
[],
[],
[]
] | ||
2w9trg | when i eat chips in a quiet room, does it sound as loud to everyone else in the room as it sounds to me? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2w9trg/eli5_when_i_eat_chips_in_a_quiet_room_does_it/ | {
"a_id": [
"coov90a"
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"score": [
3
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"text": [
"No. Sound is vibration in air, but the eardrums which detect that sound are anchored in your head, which is attached to your jaws. The vibration can conduct straight through the bone into your ears and be heard much more loudly than others would ... | [] | [] | [
[]
] | ||
9g60xo | why does metal music seem to have so many more subgenres than other styles | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9g60xo/eli5_why_does_metal_music_seem_to_have_so_many/ | {
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"score": [
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27,
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"text": [
"Well in rock I'll say a lot of bands who dont fit in with any certain... | [] | [] | [
[],
[],
[],
[
"https://en.wikipedia.org/wiki/List_of_electronic_music_genres"
],
[],
[],
[],
[],
[
"https://www.youtube.com/watch?v=L397TWLwrUU",
"https://www.youtube.com/watch?v=gNhN6lT-y5U",
"https://en.wikipedia.org/wiki/Heavy_metal_music#Characteristics",
"https://www.youtu... | ||
bhgxi6 | how does debt collecting work? how do debt collectors make money by buying more debt? | I honestly tried researching this, but it is so confusing. It doesn't make sense for collectors to buy more debt. What now? I bought 5k in debt for 25$, now I'm 5,025$ in debt now??? Someone explain I am confusion!
Edit: Thanks to everyone who commented, I now know how debt collecting works :) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bhgxi6/eli5_how_does_debt_collecting_work_how_do_debt/ | {
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3,
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2,
2
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"text": [
"You don't go 5k in debt by buying it. You are buying the right to*collect* that debt. \n\nE.g. Debtor owes seller $5,000. You buy the debt from the seller. N... | [] | [] | [
[],
[],
[],
[],
[]
] | |
f69yym | why do nutritionists look at "daily nutritional value" when historically humans did not have access to a variety of nutrients? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f69yym/eli5_why_do_nutritionists_look_at_daily/ | {
"a_id": [
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6,
4,
3
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"text": [
"Historically we lived in caves, and trees before that, but we don't set our building regulations based on that. Times have moved on. Most people, in the developed world anyway, do now have access to a v... | [] | [] | [
[],
[],
[]
] | ||
1g5w9b | what did early humans do on an average day? | I'm talking 40,000 years ago in Europe. Obviously they hunted and gathered but life was brutal, what would they do for fun?
A typical day in the life of an early European. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1g5w9b/eli5_what_did_early_humans_do_on_an_average_day/ | {
"a_id": [
"cah3ptf"
],
"score": [
7
],
"text": [
"Life wasn't \"nasty, brutish and short\". According to the latest research, hunter/gather societies had massive amounts of free time. If you go back to just the Medieval era, the so-called \"peasants\" could hardly be persuaded to work (for money... | [] | [] | [
[]
] | |
bkfvqg | how is code, compiled down to machine code (1s and 0s) changed to voltage? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bkfvqg/eli5_how_is_code_compiled_down_to_machine_code_1s/ | {
"a_id": [
"emggloj"
],
"score": [
5
],
"text": [
"Well it's not really ELI5, but it boils down to the transistor, which is an electronic switch.\n\nA transistor has an input, a control, and an output. As used in digital circuits, these are binary, having only two states, on or off.\n\nSo, you c... | [] | [] | [
[]
] | ||
4rie6y | how turing machines work, what they're for, and how they relate to the busy beaver game. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4rie6y/eli5_how_turing_machines_work_what_theyre_for_and/ | {
"a_id": [
"d51crud",
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"score": [
23,
2,
2,
5
],
"text": [
"A Turing Machine is an *abstract model* of a computer rather than a *practical implementation*. While some have been built for entertainment purposes, they're completely impracti... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Finite-state_machine"
],
[],
[],
[]
] | ||
20et4y | what is vegetable oil ? and why do some plants have it and some don't | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/20et4y/eli5what_is_vegetable_oil_and_why_do_some_plants/ | {
"a_id": [
"cg2iokj",
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],
"score": [
2,
2
],
"text": [
"Vegetable oils are triglyceride's (sorry don't know how to make that any simpler, its oils) from plants. Most if not all vegetables have triglycerides, but some have it in more abundance or more extractable forms. ",
"Oi... | [] | [] | [
[],
[]
] | ||
7h7fcy | fandom to a particular sports team. | I watch sports and I like individual athletes or wish teams in my city do well. If someone is a fan of a team that is in/near their city or their past city, I understand that. What's more perplexing is decades or life long fandom to a specific team name - not to an era of players, not to a coach, but to the entity, whi... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7h7fcy/eli5_fandom_to_a_particular_sports_team/ | {
"a_id": [
"dqortol"
],
"score": [
2
],
"text": [
" > What motivated someone to be a long time fan of a sports team? Why does someone remain to like a team when the team could be composed of entirely different players, coaching staff, or even location as before?\n\nThere's a whole ton of researc... | [] | [] | [
[]
] | |
27r2tc | why does recording in 4k and downsamping to 1080p give better quality than just recording in 1080p | Saw someone say that in the comments to some youtube video. If it isn't true, please let me know. :) | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/27r2tc/eli5_why_does_recording_in_4k_and_downsamping_to/ | {
"a_id": [
"ci3nf2j",
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],
"score": [
48,
4,
131,
16,
4,
4,
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],
"text": [
"Noise averaging. By downsampling you get rid of noise.",
"Is it possible that the av... | [] | [] | [
[],
[],
[],
[
"http://i.imgur.com/Kelbtx6.png",
"http://i.imgur.com/paACgEj.png"
],
[],
[],
[],
[]
] | |
1qttkg | how do i "read" stocks? | Such as, how to read the graphs, how the number reflects how good/bad their stock is, etc. :( I dont understand anything about stocks. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1qttkg/eli5_how_do_i_read_stocks/ | {
"a_id": [
"cdgfamb",
"cdgfh6q"
],
"score": [
5,
3
],
"text": [
"Reading stock information is the easy part, analyzing and making investment decisions is the hard part. I'll try to get you started in terms of American stocks. \n\nA stock price is only relative to itself. Priceline's stock... | [] | [] | [
[
"Investopedia.com"
],
[]
] | |
5rbxje | what actually causes the pain from being out of breath (like running out of air under water)? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5rbxje/eli5_what_actually_causes_the_pain_from_being_out/ | {
"a_id": [
"dd658b1"
],
"score": [
12
],
"text": [
"CO2 buildup. \n\nSo your blood circulates oxygen throughout your body. Through body processes this oxygen is turned into carbon dioxide (CO2). Your blood takes this back to the lungs and you breathe it out. CO2 is not a good thing to have in you... | [] | [] | [
[]
] | ||
716icg | sleep deprivation - if you have a sleepless night and then proceed to get the recommended 7.5 hours of sleep the following days, for how long will you be in a sleep deprivation? | To Clarify: I want to know if the body evens sleep deprivation or "catches up" over time, even if you do not compensate with extra sleep. For instance, if I have a night where I only get 4 hours of sleep, I would try to get 9 hours of sleep the following night to "catch up". However if I only get the recommended sleep ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/716icg/eli5_sleep_deprivation_if_you_have_a_sleepless/ | {
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"dn90hdu",
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"score": [
117,
11,
2,
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],
"text": [
"We just talked about this in my psychology class today. There's a case study about this guy who, as a high school student, wanted to break the record of longest number of days ... | [] | [] | [
[],
[],
[],
[
"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4636982/",
"https://en.m.wikipedia.org/wiki/Glymphatic_system"
]
] | |
60yilv | why do some cars have one exhaust pipe and others have two of them? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/60yilv/eli5_why_do_some_cars_have_one_exhaust_pipe_and/ | {
"a_id": [
"dfac1h1",
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"score": [
24,
26,
12,
2,
3,
2,
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],
"text": [
"An exhaust system's function is to move exhaust gas from an engine's combustion away from the engine. Larger/m... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Four-stroke_engine"
],
[],
[],
[],
[],
[]
] | ||
bd2cas | why do drivers turn the radio volume down when they are lost? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bd2cas/eli5_why_do_drivers_turn_the_radio_volume_down/ | {
"a_id": [
"ekv7ysa",
"ekv81yp",
"ekv8etk"
],
"score": [
29,
11,
5
],
"text": [
"One less thing for their senses to take in, enabling them to better concentrate on where they are/how to get on track.",
"To minimize distractions. For many people, a loud noise (even familiar no... | [] | [] | [
[],
[],
[]
] | ||
evvcao | why is it so hard in 2020 to print special characters (é, œ, à, û, etc.)? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/evvcao/eli5_why_is_it_so_hard_in_2020_to_print_special/ | {
"a_id": [
"ffym68j",
"ffy96ra"
],
"score": [
3,
3
],
"text": [
"Newer devices all now understand Unicode, the universal character set that can encode virtually all of the world's languages. However, printers, especially commercial/industrial models, are often in service for years or deca... | [] | [] | [
[],
[]
] | ||
1jtj3w | why is internet content from russia notoriously crazy? | Why do a hell of a lot of crazy videos come out of russia, and why is the Russian side of the internet known for being sketchy and whatnot? Essentially, why is the Russian internet culture so much more eccentric and drastically different from other western nations? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1jtj3w/why_is_internet_content_from_russia_notoriously/ | {
"a_id": [
"cbi4v69"
],
"score": [
2
],
"text": [
"I suspect the material that makes the rounds in the West gets selected that way. I live in Finland, a neighboring country that once was a part of the Russian Empire, a place where you can take a (relatively) high-speed train to St. Petersburg, an... | [] | [] | [
[]
] | |
5shpk4 | the bowling green massacre | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5shpk4/eli5_the_bowling_green_massacre/ | {
"a_id": [
"ddf4jpu",
"ddf4ur7",
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"score": [
61,
582,
6,
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],
"text": [
"\"The Bowling Green massacre is a nonexistent incident referred to by U.S. Counselor to the President Kellyanne Conway in an interview on the television news program Hardball wi... | [] | [] | [
[],
[],
[],
[]
] | ||
370d43 | why can't children gamble on slot machines/online? but they can use coin pushers? | Never made sense to me. OK, with coin pushers you're only gambling tiny amounts of money at a time but when I was a child I could easily spend £10 in an hour on them. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/370d43/eli5_why_cant_children_gamble_on_slot/ | {
"a_id": [
"crin34z"
],
"score": [
3
],
"text": [
"I suppose it's because the coin pushers could be seen as a game of skill, whereas slot machines are just down to luck."
]
} | [] | [] | [
[]
] | |
ex0zl0 | how much cash in the world is actually just digital? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ex0zl0/eli5_how_much_cash_in_the_world_is_actually_just/ | {
"a_id": [
"fg5npm8"
],
"score": [
2
],
"text": [
"There's not nearly enough. Less than 10% of money is physical cash. Most is just numbers on a computer."
]
} | [] | [] | [
[]
] | ||
4kqhdz | an 8 year old can magically recreate a complex jazz piece on the piano without any formal training in music. how does natural talent work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4kqhdz/eli5_an_8_year_old_can_magically_recreate_a/ | {
"a_id": [
"d3h1coe",
"d3h3yqo",
"d3hazko"
],
"score": [
24,
3,
13
],
"text": [
"For a specific response please give an actual example, as there are a few different things that could be going on.\n\nFor example, already I want to ask you \"so they didn't get formal training, but w... | [] | [] | [
[],
[
"http://freakonomics.com/podcast/peak/"
],
[]
] | ||
mlyic | why do i get head rushes? | To clarify: my definition of a 'head rush' is dizziness and "seeing fuzz" upon standing up, with me, sometimes to the point of falling over. What causes this and what's the science behind it?
Is it sinus related?
| explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/mlyic/eli5_why_do_i_get_head_rushes/ | {
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"score": [
4,
3,
4,
4,
3,
4
],
"text": [
"when you stand up fast, the blood in your head slides down into your body. it takes a minute for your blood to pump back up into your he... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | |
7wxzlf | what is the difference between ice dance and pairs skating? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7wxzlf/eli5_what_is_the_difference_between_ice_dance_and/ | {
"a_id": [
"du42rxg"
],
"score": [
3
],
"text": [
"Pairs include lifts above the shoulders, throw jumps and side by side spins. \n\nDance includes a set dance pattern for short dance (everyone does the same thing for part of their routine), lifts only to the shoulder, a turn (twizzle) sequence an... | [] | [] | [
[]
] | ||
1yxtax | why do pizza places charge a delivery fee and not give any of it to drivers? | I just ordered some pizza and noticed a $3 "delivery fee" with a note that it doesn't go to the driver. What gives? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1yxtax/eli5_why_do_pizza_places_charge_a_delivery_fee/ | {
"a_id": [
"cfoq6dn"
],
"score": [
2
],
"text": [
"The note is there to instruct you that the fee is not a tip, and you should still tip your driver. The delivery fee is to make a couple extra bucks on each delivery for profit and to account for the real cost of doing business that delivering a p... | [] | [] | [
[]
] | |
3wdyhb | why are pickup trucks, even ones with more than 100k miles, so expensive? | I understand there is a demand because contractors need them to run their businesses, but is that all? I'm in the market for a truck and a new, mid-sized, 4wd pickup is $30K minimum. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3wdyhb/eli5_why_are_pickup_trucks_even_ones_with_more/ | {
"a_id": [
"cxvelge",
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"score": [
2,
4,
10,
35,
3,
7,
7
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"text": [
"I'd assume it's also the construction of the truck. Larger everything makes it cost more to build. ",
"Becau... | [] | [] | [
[],
[],
[],
[],
[
"http://www.bloomberg.com/news/articles/2015-07-28/ford-profit-beats-estimates-as-buyers-pay-up-for-f-150-pickup"
],
[
"https://en.wikipedia.org/wiki/Chicken_tax"
],
[]
] | |
3y9knw | what makes makes a swear word so offensive? what is offensive, for example, about the word "fuck"? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3y9knw/eli5_what_makes_makes_a_swear_word_so_offensive/ | {
"a_id": [
"cybno4a",
"cybo96q",
"cybp8qw"
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"score": [
5,
2,
2
],
"text": [
"From what I know, it seems to be a bunch of arbitrary elitist horse shit that dates back a few centuries. Consider the word \"vulgar\". Aside from its modern meaning, its original meaning was along the ... | [] | [] | [
[],
[],
[]
] | |
6uhibw | what happens to building under construction during an earthquake? are there precautions taken to mitigate damage? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6uhibw/eli5_what_happens_to_building_under_construction/ | {
"a_id": [
"dlsx16w",
"dltcmkn"
],
"score": [
2,
5
],
"text": [
"The only precautions that you can take are the one you are building into the building itself. Unless it is close to being finished odds are that there are no precautions that can be taken. \n\nEarthquakes are not common enou... | [] | [] | [
[],
[]
] | ||
1tns81 | how are cryptographic hashes like md5, sha one way? | I'm a self learnt web developer but one thing that's always bothered me is that the (some) hashing algorithms are one way, that is you can't decrypt the original from the hashes. From what I understand encrypting/hashing is just a set of mathematical algorithms, so why can't we go backwards in some cases and obtain the... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1tns81/eli5_how_are_cryptographic_hashes_like_md5_sha/ | {
"a_id": [
"ce9rb5r",
"ce9rdo8",
"ce9sjgf"
],
"score": [
4,
2,
5
],
"text": [
"Here's a very simple one-way hash: count the number of letters in a word.\n\nbob = 3\n\napple = 5\n\norange = 6\n\nYou always get the same hash from the same word, but you can't possibly guess what word... | [] | [] | [
[],
[],
[]
] | |
ecggvt | why are we still dependent on plants for drug components, why can't we just see the composition and artificially make those ourselves? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ecggvt/eli5_why_are_we_still_dependent_on_plants_for/ | {
"a_id": [
"fbb6750",
"fbb700q",
"fbb8b5s",
"fbbbcy6"
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"score": [
20,
11,
3,
5
],
"text": [
"Why would we if a plant do it for us, cheaper and automatically?",
"Letting a plant do it is usually much cheaper and easier than constructing a petrochemical plant to manufa... | [] | [] | [
[],
[],
[],
[]
] | ||
3z0544 | how does the spin of an electron cause magnetism? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3z0544/eli5_how_does_the_spin_of_an_electron_cause/ | {
"a_id": [
"cyi9cvj"
],
"score": [
2
],
"text": [
"Electric fields and magnetic fields both operate by the same fundamental interaction - electromagnetism.\n\nThis means that electric fields can cause magnetic fields, and magnetic fields can cause electric fields.\n\nThis is because they're both ... | [] | [] | [
[]
] | ||
3wm9gy | who determines the speed in curves when people first make the roads? | Is there just math or do the determine to road prior? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3wm9gy/eli5_who_determines_the_speed_in_curves_when/ | {
"a_id": [
"cxxc9xf",
"cxxd9zd",
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"score": [
5,
21,
2
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"text": [
"Speed limits on roads are determined mostly by sight lines, how quickly you can react to an obstruction and stop safely. The math is well known, and for most practical road shapes the safe speed limit ... | [] | [] | [
[],
[
"http://onlinemanuals.txdot.gov/txdotmanuals/szn/determining_the_85th_percentile_speed.htm"
],
[]
] | |
41kvhe | why would somebody sue the gun manufacturer after a mass shooting? | Unless the gun manufacturer sold the weapons to a known criminal how in anyway are they liable for what some crazy would do? You wouldn't sue Budwieser or ford if a drunk driver hit you. So why would you sue the manufacturer of a gun if some crazy used it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/41kvhe/eli5_why_would_somebody_sue_the_gun_manufacturer/ | {
"a_id": [
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"score": [
21,
6,
7,
32,
4
],
"text": [
"The victims family's of mass shootings want someone to pay. They see gun manufactures in being complicit in these shootings. I'm sure some has to do with th... | [] | [] | [
[],
[],
[],
[],
[]
] | |
32qqcp | how does selective breeding work? | I know we choose to breed the animals with traits we like,but do we just wait for mutations in the dna to happen and are they really that visible that we can tell exactly which animal to choose,can we only do it in with some species.I mean why not make glow in the dark jelly fish just because or non-venomous snakes for... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/32qqcp/eli5how_does_selective_breeding_work/ | {
"a_id": [
"cqdpw44",
"cqdpwrm"
],
"score": [
3,
2
],
"text": [
"We can selectively breed any species that mates. We have made glow in the dark jelly fish and non-venomous snakes using genetic technology, but a lot of people forget that selective breeding began with the dawn of our civili... | [] | [] | [
[],
[]
] | |
cr23vq | why do our sinuses go into production overdrive when we get a head cold? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cr23vq/eli5_why_do_our_sinuses_go_into_production/ | {
"a_id": [
"ex1tb49"
],
"score": [
2
],
"text": [
"Mucus (booger, snot) traps viruses, bacteria etc. inside it, and by coughing and sneezing you remove those pathogens from your system. It also helps keep your mucous membranes moist, since fever and sneezing tends to dry them out."
]
} | [] | [] | [
[]
] | ||
ftdnf1 | what is habeas corpus? | Layman’s terms. Examples, if you can too, please! | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ftdnf1/eli5_what_is_habeas_corpus/ | {
"a_id": [
"fm6fhuu",
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"score": [
73,
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33,
22,
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"text": [
"Basically it is a legal requirement for there to be a legitimate re... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | |
3b3bz3 | why can't you upgrade hardware on consoles such as ps4? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3b3bz3/eli5_why_cant_you_upgrade_hardware_on_consoles/ | {
"a_id": [
"csiey4u",
"csif1dh"
],
"score": [
9,
3
],
"text": [
"because then it just becomes a PC. One of the main advantages consoles have is that they are all the same. It makes it very easy for developers to make a game because they know exactly what hardware you have.",
"That's u... | [] | [] | [
[],
[]
] | ||
1jid0b | what is a database? and what is sql language used for? why are some comercial databases(oracle) really expensive and some are free? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1jid0b/eli5_what_is_a_database_and_what_is_sql_language/ | {
"a_id": [
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"score": [
16,
5,
6,
2,
2,
2,
2
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"text": [
"A database is a place to store data.\n\nSQL or Structured Query Language is a specific language used to do things... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | ||
fix18h | how does a "new" disease suddenly appear and spread in such a short amount of time? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fix18h/eli5_how_does_a_new_disease_suddenly_appear_and/ | {
"a_id": [
"fkjp2in"
],
"score": [
55
],
"text": [
"There is an enormous “reservoir” of potential pathogens out there in the world, constantly spreading and mutating.\n\n* Many can’t make the inter-species jump to humans because they work on biology that we don’t have.\n\n* Some that can make the... | [] | [] | [
[]
] | ||
ci0p5n | why are people rioting in hk? what does extradition mean and how would it affect the people? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ci0p5n/eli5_why_are_people_rioting_in_hk_what_does/ | {
"a_id": [
"ev08x1h"
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"score": [
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"text": [
"An extradition agreement is a policy signed by two countries that basically declares that each country is not a legal \"safe haven\" from each other. For instance, if you're wanted in the US, and you flee to the UK, the police in the UK can arre... | [] | [] | [
[]
] | ||
3uqs1m | if bone is 5x stronger than steel then why can you break bone with steel but cant break steel with bone? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3uqs1m/eli5_if_bone_is_5x_stronger_than_steel_then_why/ | {
"a_id": [
"cxh7vqd"
],
"score": [
2
],
"text": [
"Is the question even valid: IS bone 5x stronger than steel?"
]
} | [] | [] | [
[]
] | ||
p77n4 | drm in videogames | and why game creators keep insisting on putting it in their games, even though it appears to make more people want to pirate the game. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/p77n4/eli5_drm_in_videogames/ | {
"a_id": [
"c3n3lz8"
],
"score": [
2
],
"text": [
"The publishers care about how many games they sell. Anything they can do to delay how quickly people are able to pirate it, they will do. Because they know many people will say \"Oh, that looks like a game I would like. Can I pirate it right now ... | [] | [] | [
[]
] | |
4eu9n4 | how was so much information able to fit in such a little rom size on the n64 cartridges? | So I was playing Conker's Bad Fur Day on an emulator and I realized how small the ROM was! About 70mb! How was it possible to fit a full voice script, music and other sounds, textures, etc. With that little space? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4eu9n4/eli5_how_was_so_much_information_able_to_fit_in/ | {
"a_id": [
"d23dnzj",
"d23ecyf"
],
"score": [
5,
4
],
"text": [
"Textures were low resolution and reused. Sound bites were reused, and probably not exactly CD quality. The best however is the wavetable synthesis they used for music - recorded instruments are used and replayed at differe... | [] | [] | [
[],
[]
] | |
3qtoo5 | the similarities between different languages. | Languages come from different places all over the world and have existed for a very long time. So why do so many use characters, spaces between ideas, and different lines that can be read across? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3qtoo5/eli5_the_similarities_between_different_languages/ | {
"a_id": [
"cwi85sg"
],
"score": [
6
],
"text": [
"Languages are not equal to writing scripts. A lot of languages in the world were at first only spoken languages but they then came in contact with a civilization in possession of scripts and they learned from them and started writing their langua... | [] | [] | [
[]
] | |
brr4ue | how come a foot or two of brick/plaster can stop a cell phone signal but (moderate) hills and densely packed buildings in urban areas do not? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/brr4ue/eli5_how_come_a_foot_or_two_of_brickplaster_can/ | {
"a_id": [
"eofv5ms",
"eofv7m2"
],
"score": [
9,
3
],
"text": [
"Hills and buildings in urban areas do block cell phone signals. A Lot. \n\nIn cities cell companies put relays on the tops of buildings to spread coverage from the main towers and prevent dead zones. \n\nIn areas with hills ... | [] | [] | [
[],
[]
] | ||
37o4mz | why aren't laughs different in the same way languages and accents are? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/37o4mz/eli5why_arent_laughs_different_in_the_same_way/ | {
"a_id": [
"crodgdo"
],
"score": [
2
],
"text": [
"They absolutely are. It might be harder to detect because, well, it's a semi-involuntary sound, but there are, in fact, different \"laughter\" dialect.\n\nAnother point is tat laughter hardly ever needs translation, so... "
]
} | [] | [] | [
[]
] | ||
6l1b01 | does the concentration of a medicine one takes matter? | If I am taking tylenol for example. Will the effect of the pill vary depending on whether I take the pill as is, dissolve in 10 ml water and drink it or dissolve it a gallon of water and then drink it?
If it does why does it have an impact when the dosage is the same? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6l1b01/eli5_does_the_concentration_of_a_medicine_one/ | {
"a_id": [
"djqbbg3"
],
"score": [
3
],
"text": [
" > If I am taking tylenol for example. Will the effect of the pill vary depending on whether I take the pill as is, dissolve in 10 ml water and drink it or dissolve it a gallon of water and then drink it?\n\nIn that case not really because ultim... | [] | [] | [
[]
] | |
1hp2ig | how did the act of hugging evolve? | I've always wondered about this. I mean, I get that physical closeness/contact has an evolutionary component, as well as affection and nurturing behaviors -- but how did the distinct act of hugging develop?
I just imagine the first hug being super awkward, you know? Like, "I love you so much, I'm just going to press ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1hp2ig/eli5_how_did_the_act_of_hugging_evolve/ | {
"a_id": [
"cawge1n",
"cawgmzq",
"cawiyue",
"cawj1ix"
],
"score": [
3,
11,
3,
2
],
"text": [
"Hugging was mainly just to keep warm I believe. Most animals will do it for that purpose (sorry people who think their kittens are snuggling with each other to be cute - they just... | [] | [] | [
[],
[],
[],
[]
] | |
69pk78 | why are some albums not on spotify, even though the artist mostly is? | For example, Chance the Rapper has pretty much all of his music on Spotify except his album Acid Rap. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/69pk78/eli5_why_are_some_albums_not_on_spotify_even/ | {
"a_id": [
"dh8fmqj"
],
"score": [
2
],
"text": [
"This is due to licensing deals that regulate when an album can escape exclusivity of platforms and other providers. \n\nI've seen a lot of albums go up on itunes or Tidal or something and take a few weeks to show up on spotify. \n\nThe reasons wh... | [] | [] | [
[]
] | |
8pbzr6 | how was anne boleyns body identified? | In 1876 under queen Victoria the body of Anne Boleyn was recovered and buried properly under marble only what method did they use to identify her? She had no living descendents and I don't think they could have had the ability for DNA testing at that time anyway.
She was buried in a arrow box in a unmarked grave only ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8pbzr6/eli5_how_was_anne_boleyns_body_identified/ | {
"a_id": [
"e0a2t42"
],
"score": [
3
],
"text": [
"Basically it was the only female skeleton found in the area where her body was supposed to be, therefore they identified it as Anne."
]
} | [] | [] | [
[]
] | |
29t742 | how and why do june bugs only come out in june, and then magically disappear? | Where are they when it's not June/early July? I hate these things!!! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/29t742/eli5_how_and_why_do_june_bugs_only_come_out_in/ | {
"a_id": [
"cio9e6i",
"cio9uk0"
],
"score": [
2,
6
],
"text": [
"Well shit I never actually thought about this, now I really want to know ",
"It has to do with the short life cycle these bugs have. Most of that time is spent as a grub. They live in leaf litter or even underground du... | [] | [] | [
[],
[]
] | |
d8yzso | how did excess oxygen in the atmosphere cause a mass extinction of species? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/d8yzso/eli5_how_did_excess_oxygen_in_the_atmosphere/ | {
"a_id": [
"f1dq2t2"
],
"score": [
28
],
"text": [
"2.5 billion years ago(Earth is roughly 4.54 billion years old) most bacteria was anaerobic, meaning they didn't use oxygen for energy. There wasn't animals or dinosaurs, just mostly a bunch of bacteria and some kinda plants that didn't make leav... | [] | [] | [
[]
] | ||
aw74bo | b-cells and t-cells | What is the whole process of how B-cells, T-cells and dendritic cells react when there is a foreign antigen in the body? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/aw74bo/eli5_bcells_and_tcells/ | {
"a_id": [
"ehklvej",
"ehkm854"
],
"score": [
3,
2
],
"text": [
"Think of antigens as metal dog tags. Dendritic Cells and Helper B-Cells can take metal dog tags and present them.\n\nDendritic cells consume (phagocytose) foreign cells (e.g. bacteria) and present the antigens to cytotoxic T... | [] | [] | [
[],
[]
] | |
27zzfy | based on history, roughly how much of science as we know it is *wrong*, and will need to be corrected in the future? | Science isn't absolute truth, it prides itself on not being correct. Based on its history of correcting itself with new information what fields are likely to be..."wrong", so to speak?
Is there a difference between science being "wrong" and a new discovery being made or is it all kind of blurred together? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/27zzfy/eli5based_on_history_roughly_how_much_of_science/ | {
"a_id": [
"ci61dq5",
"ci61twi",
"ci6dz2z"
],
"score": [
2,
7,
3
],
"text": [
"_URL_0_\nQi says that approximately 7% of facts become out of date and 'wrong' each year",
"First we have to make a distinction between the history of humanity's understanding of the world and how i... | [] | [] | [
[
"http://en.wikipedia.org/wiki/QI_(K_series)#Episode_7_.22Knowledge.22"
],
[],
[]
] | |
1vme5e | why does smell of weed seem to permeate even the most tightly wrapped container? | You know. The scientific explanation. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1vme5e/why_does_smell_of_weed_seem_to_permeate_even_the/ | {
"a_id": [
"cetvc39",
"cetwfe9"
],
"score": [
3,
8
],
"text": [
"Usually, odor-causing agents from the weed got onto the outside of the container before you sealed it. If it's airtight, you can wash the outside of the container after filling it, this should reduce the odor greatly.",
... | [] | [] | [
[],
[]
] | |
3o2ogv | why do people think we can transform mars when it has no magnetic field? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3o2ogv/eli5_why_do_people_think_we_can_transform_mars/ | {
"a_id": [
"cvth5rj",
"cvtl25k"
],
"score": [
8,
2
],
"text": [
"solar wind stripping away an atmosphere happens over geologic timescales and wouldn't really hinder our terraforming efforts. The lack of a magnetic field does result in very high surface radiation levels which would be a pr... | [] | [] | [
[],
[]
] | ||
57shts | why is football the only one of the four major american sports in which the referees give big speeches about penalties and such? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/57shts/eli5_why_is_football_the_only_one_of_the_four/ | {
"a_id": [
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"score": [
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39,
298,
27,
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"text": [
... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | |
532hmf | why is the flushing mechanism different in a household toilet compared to public restrooms with multiple toilets? | In a household toilet, there is a tank above the bowl that holds water to refill the bowl after flushing. The flush lever connects to a chain which opens a rubber seal and begins the flushing process. Why is this not used for public toilets? What mechanism do those use? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/532hmf/eli5_why_is_the_flushing_mechanism_different_in_a/ | {
"a_id": [
"d7pcofk",
"d7pdx68",
"d7pmwla"
],
"score": [
3,
2,
2
],
"text": [
"Public restrooms get more use, and more frequent use. It is not uncommon for it to be occupied almost immediately after a user leaves the stall. As such it is more efficient for them to have a tie direc... | [] | [] | [
[],
[],
[]
] | |
63aksm | with the ubiquity of flash drives, why do so many software programs still have the floppy disk as the icon for saving a file? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/63aksm/eli5with_the_ubiquity_of_flash_drives_why_do_so/ | {
"a_id": [
"dfskaf6",
"dfskuhx"
],
"score": [
8,
5
],
"text": [
"It's an interesting design problem. There are two issues here. \n\n1. Saving a file no longer corresponds to *any* physical device. It could be on a cloud drive, an SD card, a hard drive, an SSD, just about anything. That's ... | [] | [] | [
[],
[]
] | ||
1qe4u5 | how is this year's christmas shopping season 6 days shorter? | The media is saying for the US, the Christmas shopping season is 6 days shorter and it's essential that retailers do what they can to make up the lost time. How did we lose 6 shopping days? We had 365 days last year (366 actually) and we have 365 days this year. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1qe4u5/eli5how_is_this_years_christmas_shopping_season_6/ | {
"a_id": [
"cdbw2if",
"cdbwo6y"
],
"score": [
5,
3
],
"text": [
"The Christmas shopping season is generally considered to start in earnest on Black Friday (the Friday after Thanksgiving). Thanksgiving is always on the last Thursday in November, which means that the day of the month it oc... | [] | [] | [
[],
[]
] | |
98q98x | what is poor eyesight? what in your eye is making you see things blurry? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/98q98x/eli5_what_is_poor_eyesight_what_in_your_eye_is/ | {
"a_id": [
"e4hz12u",
"e4i0nrg",
"e4i5c8p"
],
"score": [
2,
4,
15
],
"text": [
"From what I understand a common problem is the lens in your eye not focusing light at the right place.\n\n(Not a doctor, never stayed at a holiday in)",
"Basically, your eye is a round ball, with j... | [] | [] | [
[],
[],
[]
] | ||
el5uda | if i was in a room made of mirrors, and i shut off the lights, why wouldn’t the residual light continue to bounce off the mirrors and illuminate the room? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/el5uda/eli5_if_i_was_in_a_room_made_of_mirrors_and_i/ | {
"a_id": [
"fdfsz53",
"fdfsz60",
"fdft7od",
"fdftadc",
"fdfte2v",
"fdfvj9f"
],
"score": [
11,
8,
3,
2,
2,
2
],
"text": [
"Mirrors aren't 100% efficient. Some of the light that hits them doesn't get reflected. But gets absorbed as heat (just like how the sun... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | ||
2qte35 | why does it suddenly feel like our hearts drop everytime we see or do something startling like a teacher calling us over to their desk? | Admit it, you got scared whenever a teacher called you over. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2qte35/eli5_why_does_it_suddenly_feel_like_our_hearts/ | {
"a_id": [
"cn9cb94",
"cn9eu9n",
"cn9kt8e"
],
"score": [
38,
5,
10
],
"text": [
"The release of adrenaline (more accurately called Epinephrine) is a hormone released by your adrenal glands, preparing you for a fight or flight scenario. \n\nThe release of adrenaline speeds up the b... | [] | [] | [
[],
[],
[]
] | |
zzlba | how do hackers get caught so easily? to clarify why don't they just do their hacks from a coffee shop or other free wireless location? | The title pretty much says it. It just seems to me, how could you be caught if you were using a free location? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/zzlba/eli5_how_do_hackers_get_caught_so_easily_to/ | {
"a_id": [
"c69350j",
"c694rs2",
"c695m96",
"c698f0b",
"c699p3j"
],
"score": [
5,
9,
21,
10,
3
],
"text": [
"Hackers *don't* get caught easily. Unless they are very bad at computer security or piss off the NSA (or maybe the FBI), they basically never get caught. If... | [] | [] | [
[],
[],
[],
[
"http://www.youtube.com/watch?v=cf3zxHuSM2Y"
],
[]
] | |
efoshh | how does the soil on farms regain its nutrients year after year of growing crops? | Wouldn't all the nutrients eventually leave when the plants are harvested and sent to market? How did farmers manage nutrients before fertilizer was common? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/efoshh/eli5_how_does_the_soil_on_farms_regain_its/ | {
"a_id": [
"fc1n0ll",
"fc1n3vx",
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"fc1y6qe",
"fc2stc5"
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"score": [
7,
2,
3,
5,
5,
2
],
"text": [
"You can rotate crops to rest and renew the soil. You can also let it be unused for a time or add organic matter like plant or animal was... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | |
8kiduj | why is it that you can easily see the change in looks when humans is getting older, while other animals is almost looking entirely the same from young adulthood until death? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8kiduj/eli5_why_is_it_that_you_can_easily_see_the_change/ | {
"a_id": [
"dz7xcky",
"dz7xfh2"
],
"score": [
3,
2
],
"text": [
"Humans are adapted to be very good at differentiating between other humans and recognizing certain traits. For example you likely have a difficult time telling one crow from another but telling humans apart is easy. Crows si... | [] | [] | [
[],
[]
] | ||
a93a1m | why is it that every winged animal developed wings on the forelimbs? | Bats
Birds
Reptiles
Every animal with Wings developed their forelimbs into wings. Why not the back limbs?
Why not have both winged forelimbs and winged backlimbs? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a93a1m/eli5_why_is_it_that_every_winged_animal_developed/ | {
"a_id": [
"ecg3xru",
"ecg4bl9"
],
"score": [
2,
9
],
"text": [
"The flying squirrel has wings that encompass both the forelimbs and the back limbs.\n\nThe ancient reptile *Sharovipteryx* had wings on only its hind legs.\n\n\n",
"Let me introduce you to [Sharovipteryx](_URL_1_).\n\nGo... | [] | [] | [
[],
[
"http://www.petester.com/aeropics/airfoil.gif",
"https://en.wikipedia.org/wiki/Sharovipteryx"
]
] | |
1lhtki | how come we have not found dino dna in a mosquito that was trapped in amber. as per jurassic park. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1lhtki/eli5_how_come_we_have_not_found_dino_dna_in_a/ | {
"a_id": [
"cbzcycm"
],
"score": [
4
],
"text": [
"It's like finding a needle in a haystack. More specifically, a mosquito in some random place on earth. Also, DNA degrades over time. We've had problems with wooly mammoth DNA and that's far \"younger\" than dinosaur DNA."
]
} | [] | [] | [
[]
] | ||
31vnml | does using a credit card really boost your credit rating? if so, how much of an effect does this have? | Is it worth it for everybody to start using a credit card over a debit card? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/31vnml/eli5_does_using_a_credit_card_really_boost_your/ | {
"a_id": [
"cq5df1j",
"cq5fqqg",
"cq5mo50"
],
"score": [
4,
7,
3
],
"text": [
"Yes, provided you're disciplined enough to pay the balance off in full every month, otherwise you'll worsen your credit rating.\n\nThe fact that credit card companies are profitable goes to show that ma... | [] | [] | [
[],
[
"http://www.myfico.com/CreditEducation/articles/"
],
[]
] | |
lwsqh | the hall effect [physics] | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/lwsqh/eli5_the_hall_effect_physics/ | {
"a_id": [
"c2w8pjj",
"c2w8pjj"
],
"score": [
3,
3
],
"text": [
"If you put a magnet next to a piece of wire with current running through it, the path of the electrons are effected because of the charge of the electrons. If you could zoom in on the tiny piece of wire next to the magnetic,... | [] | [] | [
[],
[]
] | ||
6l0szj | what are the benefits of air-drying clothes other than the obvious electricity costs? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6l0szj/eli5what_are_the_benefits_of_airdrying_clothes/ | {
"a_id": [
"djq7i54",
"djq8gf0",
"djq96t1"
],
"score": [
3,
3,
9
],
"text": [
"All that lint you find in the trap of a dryer stays in the clothes. I imagine this leads to clothes lasting longer. ",
"No idea what motivates Koreans or Japanese, but, assuming you live someplace w... | [] | [] | [
[],
[],
[]
] | ||
46xyib | i saw an article that says, "if you put a giant mirror 10 lightyears away from earth and looked directly at it with a telescope, technically you're seeing 20 lightyears into the past" - this seems to make sense but is it true? | Theoretically it makes sense but is it actually true? I'm sure there are other factors to think about. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/46xyib/eli5_i_saw_an_article_that_says_if_you_put_a/ | {
"a_id": [
"d08n218",
"d08n7qt",
"d08n82o",
"d08ncu9"
],
"score": [
3,
4,
8,
2
],
"text": [
"Theoretically, yes. It would have to be a gigantic mirror that you could structure to focus the light specifically on the light that was reflected off the earth and everything on i... | [] | [] | [
[],
[],
[],
[]
] | |
6iidt3 | how can people with down's syndrome donate blood | If every cell in a Down's persons's body has chromosomal abnormalities, wouldn't their blood cells also be abnormal? Or would this even be an issue? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6iidt3/eli5how_can_people_with_downs_syndrome_donate/ | {
"a_id": [
"dj6h672",
"dj6h6b9"
],
"score": [
11,
8
],
"text": [
"Red blood cells do not have a nucleus, and therefore no DNA. Assuming that there is not a separate mutation/issue that impacts RBC production, their red blood cells would be normal. Not sure about other blood products."... | [] | [] | [
[],
[]
] |
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