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 |
|---|---|---|---|---|---|---|---|---|---|
dbtrtu | how does the ice machine in the fridge make ice? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dbtrtu/eli5_how_does_the_ice_machine_in_the_fridge_make/ | {
"a_id": [
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"score": [
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"text": [
"A water supply line fills an internal ice mold and when the water has frozen into cubes a mechanism flips out the cubes into the ice bin. If there's an in-door ice dispenser, there is a flapper in the bottom of the bin and an auger to pull ice fo... | [] | [] | [
[]
] | ||
3f06ga | when a game says i have 500 ping, why is it insanely laggy instead of just a half second input delay? | An example being Diablo 3, where my ping might spike up to 500 ms but my game will be unresponsive for multiple seconds. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3f06ga/eli5_when_a_game_says_i_have_500_ping_why_is_it/ | {
"a_id": [
"ctk1v34",
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"score": [
7,
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"text": [
"There can be qualities other than ping that are making the connection bad. For instance, dropped packets. If your connection is dropping packets, it may take extra time for the server to \"realize\" you've made a move, and ... | [] | [] | [
[],
[]
] | |
emjzqb | how do sea creatures eat without their stomachs being filled with copius amounts of water? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/emjzqb/eli5_how_do_sea_creatures_eat_without_their/ | {
"a_id": [
"fdp7970",
"fdptfxy"
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"score": [
30,
11
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"text": [
"The water to them is like air to us... when they close their mouths the water is squeezed out again or passed through their gills and food is kept in by the structure of the mouth, teeth, or baleen in the case of whales.",... | [] | [] | [
[],
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"https://www.hakaimagazine.com/wp-content/uploads/header-baleen-whales.jpg",
"https://www.youtube.com/watch?v=pTZ211cIjX8"
]
] | |
abbim1 | why do some important memories disappear quickly, while completely mundane memories last forever? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/abbim1/eli5_why_do_some_important_memories_disappear/ | {
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"text": [
"I want to know too! The mind is a strange thing! I remember one day in highschool me and my friend were walking to class together and she asked me how my day was. And I said \"eh j... | [] | [] | [
[],
[],
[],
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9pif2t | what's the difference between megabit download speed and megabyte download speed? and a modem and a router? | Can someone explain what the difference between my megabit speed of 25mbps and a megabyte download speed? And the difference between a router and a modem? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9pif2t/eli5_whats_the_difference_between_megabit/ | {
"a_id": [
"e81xmza",
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"score": [
4,
2,
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"text": [
"1 8-bit byte is 8 bits. So an ISP advertising 24 megabits per second is equivalent to saying 3 megabytes per second. \n\nA modem describes a device that carries communication between different transmis... | [] | [] | [
[],
[],
[]
] | |
9ibqtl | what is so special about the thermal conductivity of water? | I get that it's reluctant to temperature change but is that it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9ibqtl/eli5_what_is_so_special_about_the_thermal/ | {
"a_id": [
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"score": [
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"text": [
"Water has so many amazing applications and it’s really one of the most complex compounds in the whole universe. Regarding thermal conductivity, water is known to have a fairly high heat capacity. This means that it takes a lot more energy to chan... | [] | [] | [
[]
] | |
36ozo1 | the difference between a tesla dealer and a ford dealer? | I read these articles that keep explaining it like Tesla is selling direct to consumer and people like Ford or Chrysler don't? What is the difference if Tesla built a dealership next a Ford dealership? Wouldn't it be just like the ford dealership receiving vehicles from the manufacturing plant?? Thanks | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/36ozo1/eli5_the_difference_between_a_tesla_dealer_and_a/ | {
"a_id": [
"crfthux",
"crftjtk",
"crftr1i"
],
"score": [
3,
2,
3
],
"text": [
"There are independent dealerships which sell Fords, there are not \"Ford dealerships\", that's the main difference.\n\nThe legal issue with Tesla is that they're selling directly to consumers, not using... | [] | [] | [
[],
[],
[]
] | |
14vx4o | consumption-induced tolerance. why do you have to consume more of a substance (alcohol, drugs, etc) to achieve the same high or buzz after continued use. | I've found myself drinking more lately, due to many factors. Job-related social functions are the biggest contributors. I've become quite the regular drinker.
Why does it take more alcohol to get a buzz than it once did. Will it "start over" if I take a break, or is there a physical and irreversible change in my bo... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/14vx4o/eli5_consumptioninduced_tolerance_why_do_you_have/ | {
"a_id": [
"c7gwxxc",
"c7gwybv",
"c7h1i2m"
],
"score": [
2,
3,
2
],
"text": [
"The way tolerance works is different for different drugs, but ultimately it is due to the body's realization that it needs to do more work. Think of it in the same way you think of exercising. You can... | [] | [] | [
[],
[],
[]
] | |
3s3wuj | why do almost every modern houses i visit have a crawl attic, as in an insulation floor, as opposed to a full attic where you can store stuff and walk around? | CONTEXT: I live in Alberta, so building codes might be different for me. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3s3wuj/eli5_why_do_almost_every_modern_houses_i_visit/ | {
"a_id": [
"cwtwlng",
"cwu244x",
"cwuavlp"
],
"score": [
7,
15,
3
],
"text": [
"Modern building codes require them to be well ventilated, sans floor, so then an accumulation of heat and moisture won't build-up leading to mode and decay of wood.",
"Most of the ones that had an ... | [] | [] | [
[],
[],
[]
] | |
2kfscm | why do musicians/bands normally lay down persian rugs when recording an album or playing a gig? | Here is a good [example](_URL_0_) | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2kfscm/eli5why_do_musiciansbands_normally_lay_down/ | {
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"clkwlaw",
"clkwllr",
"clkwx7o",
"cll22s6"
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"score": [
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2,
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2
],
"text": [
"I'm not sure how that in any way is a \"Persian\" rug. It's just a regular rug.\n\nAs for why, it helps prevent echoing from coming off the floor, and it also provides a surface ... | [] | [
"http://imgur.com/gallery/7a61F"
] | [
[],
[],
[],
[]
] | |
fjoezd | how do telephone wires carry multiple messages at once? how do messages not interrupt each other? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fjoezd/eli5_how_do_telephone_wires_carry_multiple/ | {
"a_id": [
"fko3bke",
"fkoaofl"
],
"score": [
2,
8
],
"text": [
"There are very, very few \"telephone wires\" in the US. They exist in other parts of the world, but almost all telephones in the US are digital.\n\nWhen you have analog copper wire telephones (what's sometimes called POTS, ... | [] | [] | [
[],
[]
] | |
44xo9m | why can republican presidential candidates ask for donations from everyone and their mother, but hate social programs like welfare? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/44xo9m/eli5_why_can_republican_presidential_candidates/ | {
"a_id": [
"cztm867"
],
"score": [
2
],
"text": [
"Rather different to have people giving you money in support of your campaign and ideas, instead of arbitrarily taking money from person a and giving it to person b, whether person a wanted to give it or not. Therein is one important distinction. ... | [] | [] | [
[]
] | ||
748i8i | how do these “combined faces of ____” work? | Is it simply a stack with transparency? Or is it something more advanced? If it’s more advanced how does it do something like skin color? What are the images controlled for? eye location? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/748i8i/eli5_how_do_these_combined_faces_of_work/ | {
"a_id": [
"dnwbi66"
],
"score": [
3
],
"text": [
"I assume you're talking about [mathematically averaged faces](_URL_0_). \n\nThe idea is to take a bunch of pictures of people, line up a main feature (like eye position), and turn the opacity down really low on every image. The faint stuff you se... | [] | [] | [
[
"https://am22.akamaized.net/tms/cnt/uploads/2011/02/average-women-faces.jpeg"
]
] | |
jtmjq | what does "frozen assets" mean? | I hear all this talk about Libya's some $80 nillion assets being frozen all around the world, and the countries are refusing to "release" it. What do they mean by "frozen assets" and why aren't they "releasing" it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/jtmjq/eli5_what_does_frozen_assets_mean/ | {
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"text": [
"Imagine you have a big stack of quarters and toys split between piggy banks and toy shelves in each of your friends houses. You want to trade them all for a dirt bike, but mum say... | [] | [] | [
[],
[],
[],
[]
] | |
17qm12 | what is that horrible feeling you get on your fingers when you feel a microfiber blanket/cloth? feels like its going to rip your skin off or something... | Does anyone know what I'm talking about? Certain microfiber materials that are advertised as super plush and comfortable actually make my spine tingle when I feel them... it's a nails on chalkboard type of feeling. Why is that? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/17qm12/eli5_what_is_that_horrible_feeling_you_get_on/ | {
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"http://ambimfg.com/images/blanket_01.jpg"
],
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6okwzq | product placement in movies/shows. | I've always wondered how movies or shows pick what cars or motorcycles to have in them. For instant,Tom Cruise always seems to ride a motorcycle, does he get to pick it? Is it a bidding system, do they approach the car/motorcycle companies and vice versa?
I was not able to find anything on reddit to see if this questi... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6okwzq/eli5product_placement_in_moviesshows/ | {
"a_id": [
"dki60k7",
"dki9ndw",
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"score": [
8,
2,
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"text": [
"The movie studio will contact a media placement company - these companies have relationships with a bunch of brands and they will negotiate a price. ",
"On the other hand, whe... | [] | [] | [
[],
[],
[],
[]
] | |
4f9o7q | is it possible to find out the secret ingredients in consumer products by looking at the ingredients list on the back? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4f9o7q/eli5_is_it_possible_to_find_out_the_secret/ | {
"a_id": [
"d271daz"
],
"score": [
2
],
"text": [
"No, it isnt. For one, you dont know the proper proportions of the ingredients. The ingredients have to be in order from greatest to smallest, but that doesnt tell you how much sugar or salt to put in, or the process in making it. Not sure how ... | [] | [] | [
[]
] | ||
61rlr6 | why ships are not removed from the water once they sink. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/61rlr6/eli5_why_ships_are_not_removed_from_the_water/ | {
"a_id": [
"dfgp71e",
"dfgq0t4"
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"score": [
10,
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"text": [
"Do you mean why are ships not removed from the bottom of the ocean when they sink?\n\nTypically, if the cost of recovering a sunken ship is less than the benefit of selling off its parts and cargo, it *will* be recovered. ... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/SS_Richard_Montgomery"
]
] | ||
16rb98 | what is the haarp, what does it do, and why do conspiracy theorists talk about it so much during disasters like earthquakes? | Someone told me that the HAARP was the cause for disasters like the earthquake in Japan and stuff. I can't really figure out what it is. I have seen pictures of it but it just looks like a giant array of poles. Can anyone clear up what it is exactly and why people don't seem to like it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/16rb98/eli5_what_is_the_haarp_what_does_it_do_and_why_do/ | {
"a_id": [
"c7ynzbr"
],
"score": [
3
],
"text": [
"HAARP stands for High Frequency Active Auroral Research Program. It involves using big radio arrays to send high powered, high frequency radio waves up into a part of the atmosphere called the ionosphere, and then studying the waves as they bounc... | [] | [] | [
[]
] | |
cw9o7w | what is the difference between an rn and a cna? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cw9o7w/eli5_what_is_the_difference_between_an_rn_and_a/ | {
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"text": [
"A CNA is basically \"You are certified to help assist a RN with basic tasks around the hospital (bathing/dressing patients, serve meals, etc)\". A LPN is more... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
cvynzw | how does my brain know which sounds to listen for and which sounds to ignore while i’m sleeping? i regularly ignore a train that goes by within 200ft of my house but if someone starts walking towards my room i snap right up. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cvynzw/eli5_how_does_my_brain_know_which_sounds_to/ | {
"a_id": [
"ey7a048",
"ey7ak9f"
],
"score": [
2,
6
],
"text": [
"Probably for the same reason that my cat knows when I’m opening his food cupboard and not just any other cupboard: instincts. \nWe’re still wild animals in many regards.",
"Our brains are good at filtering out and ignori... | [] | [] | [
[],
[]
] | ||
5lic6o | how does fake snow work? | How is it made? Is there a reason we don't produce it year round to keep ski slopes open? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5lic6o/eli5_how_does_fake_snow_work/ | {
"a_id": [
"dbvwyho",
"dbvxplc"
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"score": [
2,
2
],
"text": [
"Snow machines work by blasting water and air through super chillers that turn to water into tiny droplets and freeze it before it's shot out and sprayed onto ski slopes. Because it's actually frozen water, it can only be use... | [] | [] | [
[],
[]
] | |
arxzk0 | why do people smash a bottle against the ship exterior before it sets sail? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/arxzk0/eli5_why_do_people_smash_a_bottle_against_the/ | {
"a_id": [
"egqcq4f",
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"score": [
2,
2
],
"text": [
"The act of christening a ship has its roots in pre-history. It's a tradition that's endured until today. As for the bottle of champagne - that's a relatively new thing. They use Champagne because it's an expensive wine, and ... | [] | [] | [
[],
[]
] | ||
1t8bff | how come i can tell you the numbers that come before and after 7 right away but have to go through the alphabet in my head to tell you the letters that come before and after h? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1t8bff/eli5_how_come_i_can_tell_you_the_numbers_that/ | {
"a_id": [
"ce5d9aj",
"ce5dxa3"
],
"score": [
5,
2
],
"text": [
"You do addition and subtraction on numbers when you are a little kid all the time. So, 7-1 and 7+1 are intuitive. You don't do the same for letters. H+1 and H-1 aren't drilled into your head as a little kids, so many peop... | [] | [] | [
[],
[]
] | ||
dgae8m | censorship of content on the internet | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dgae8m/eli5_censorship_of_content_on_the_internet/ | {
"a_id": [
"f3afm4o",
"f3aj0oq"
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"score": [
6,
2
],
"text": [
"A country can't really control what gets posted online, but it can control whether citizens and corporations inside its borders are allowed to access or transmit the information.\n\nChina, for example, strictly controls all ... | [] | [] | [
[],
[]
] | ||
90t5aa | if stars constantly convert mass to energy in the form of light, wouldn't the universe eventually run out of matter? | Or in other words, where does light go once it is expelled? I understand that light can dissipate as heat once it hits another body (like the Earth), but can new stars be eventually created through these processes? Or is the universe destined to dissipate into nothingness / disorder as per the second law of thermodynam... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/90t5aa/eli5_if_stars_constantly_convert_mass_to_energy/ | {
"a_id": [
"e2sy3ny",
"e2sykdd",
"e2t1u68"
],
"score": [
2,
55,
5
],
"text": [
"Because energy isn't always \"light\" - it's also motion as well.\n\nThe fusion in a star releases energy in the form of light - but also in the form of new elements (helium or other elements created f... | [] | [] | [
[],
[
"https://www.youtube.com/watch?v=gQb2sN6UWkA"
],
[
"https://youtu.be/4_aOIA-vyBo?t=2m38s"
]
] | |
joa5d | how do parallel mirrors produce infinite mirrors? | I don't get the 'infinite feedback loop' bit either. Also, why are there delays from the infinite mirrors when, say, you wave your hand? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/joa5d/eli5_how_do_parallel_mirrors_produce_infinite/ | {
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2,
2,
2,
2
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"text": [
"Well it really wont go on forever. Mirrors are not 100% effective. \n\nFor your second question, there is a delay because when you look in a mirror, you are not seeing yourself as ... | [] | [] | [
[],
[],
[],
[]
] | |
1h8hl8 | how is quantum entanglement different from a coin cut in half and put in two envelopes? | Even though you have a 50% chance of getting either outcome, and when you know the outcome, you know the other half's outcome, I still can't understand how it is any different than just blindfolding yourself to something that has already taken place and opening your eyes to become enlightened? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1h8hl8/eli5_how_is_quantum_entanglement_different_from_a/ | {
"a_id": [
"caruqk8"
],
"score": [
2
],
"text": [
"The difference is that, until an envelope has been opened, it isn't correct for a quantum \"coin\" to say \"either the blue envelope has the left half with 100% probability, or the red envelope has the left half with 100% probability\".\n\nWhich ... | [] | [] | [
[]
] | |
2m9dm7 | what is the science behind desensitizing lubrication? | Bluntly put, how does desensitizing lubricant numb the penis and vagina? Seriously, I want to know. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2m9dm7/eli5_what_is_the_science_behind_desensitizing/ | {
"a_id": [
"cm24pmg"
],
"score": [
2
],
"text": [
"You know that stuff dentists use to numb the pain, novocaine? Its a similar, though less powerful agent, usually benzocaine or lidocaine. They all work similarly, temporarily blocking the ability of your nerves to feel pain, and as a side effect,... | [] | [] | [
[]
] | |
69zran | how do supermarkets create seemingly impossible foods? | As the title says - supermarkets increasingly sell foods that don't seem possible.
For example, Tesco sell frozen raw salmon fillets you can cook in the microwave in 3 minutes. How is this possible? If you were to buy a fresh salmon fillet and then freeze it, in order to safely cook it you have to defrost it totally f... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/69zran/eli5_how_do_supermarkets_create_seemingly/ | {
"a_id": [
"dhamab8",
"dhawf93"
],
"score": [
16,
2
],
"text": [
"Products that cook \"impossibly fast\" from frozen are not raw but *par-cooked.* In other words, they cook them halfway at the factory, then freeze them. \n\n",
"For your salmon vs chicken example: it has to do with the... | [] | [] | [
[],
[]
] | |
5yj70b | weed vs alcohol | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5yj70b/eli5_weed_vs_alcohol/ | {
"a_id": [
"deqh1bs",
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"score": [
2,
2
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"text": [
" > but looking at our state's brutal murders and violence (ex: 16 yo brutally tortured and shot in the face, brothers shot and left for dead in their underwear) they are all marijuana related\n\nHaha, what? Weed doesn't turn... | [] | [] | [
[],
[]
] | ||
7njsz7 | why do things like books or games need a publisher? can't game devs publish their own game or authors publish their own book? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7njsz7/eli5_why_do_things_like_books_or_games_need_a/ | {
"a_id": [
"ds2cea3",
"ds2dl31"
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"score": [
7,
4
],
"text": [
"If you want to make money you need people who know how to get your product out. You can spend $9/month and make your book or whatever available to download for whatever price you want but if nobody knows where to look and n... | [] | [] | [
[],
[]
] | ||
2xdjz4 | the definitions of socialism, communism, fascism, etc and other political terms (outlined in text) | Can anyone explain to me (as I've searched through reddit and Googled a lot of this and it's all worded in very confusing ways that my addled, post-work brain can't comprehend right now) the difference between:
* bureaucracy
* communism, fascism, socialism, anarchy and any other political systems that might fit into t... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2xdjz4/eli5_the_definitions_of_socialism_communism/ | {
"a_id": [
"coz5uhu",
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"score": [
20,
2,
21
],
"text": [
"Bureaucracy: the interworking of any given government. Some bureaucracies are simple, some are complex. Bureaucracy is simply the mechanisms by which laws are executed and policies are enforced: they'... | [] | [] | [
[],
[],
[
"https://en.wikipedia.org/wiki/Direct_action",
"http://en.wikipedia.org/wiki/Exceptionalism",
"http://en.wikipedia.org/wiki/Fatalism"
]
] | |
1hmq0f | why does bottled water have an expiration date? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1hmq0f/eli5why_does_bottled_water_have_an_expiration_date/ | {
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"text": [
"They expiration date is not always related to the contents of the package. In this case it could be related to the bottle or the labeling on the bottle. ... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
6oahq2 | how can food burn in the microwave but the plastic film covering it doesn't melt? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6oahq2/eli5_how_can_food_burn_in_the_microwave_but_the/ | {
"a_id": [
"dkfu4fk",
"dkg0j5e"
],
"score": [
3,
6
],
"text": [
"A microwave doesn't heat food directly. It sends out a wave at a certain frequency that causes water particles to vibrate. This vibration creates friction which turns into heat. Some types of plastic coverings allow micro... | [] | [] | [
[],
[]
] | ||
8k7vr1 | why is it that whenever we try to speak under a certain volume, it automatically becomes a whisper? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8k7vr1/eli5_why_is_it_that_whenever_we_try_to_speak/ | {
"a_id": [
"dz5iumv"
],
"score": [
19
],
"text": [
"Your voice cords need a certain minimum air pressure to get to vibrate and create tones. Without them vibrating you're getting a toneless whisper."
]
} | [] | [] | [
[]
] | ||
3bvio5 | why can soft drinks, coke specifically, be so addictive, and is it a mental or physical addiction? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3bvio5/eli5_why_can_soft_drinks_coke_specifically_be_so/ | {
"a_id": [
"cspvmzu",
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"score": [
3,
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"text": [
"You left out caffeine from your discussion. Caffeine is a stimulant and it can cause dependency. There are physical withdrawal systems. Also, many people with borderline or undiagnosed ADD will self-... | [] | [] | [
[],
[],
[]
] | ||
22821u | what is the 'ivy league' and how do colleges become members? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/22821u/eli5_what_is_the_ivy_league_and_how_do_colleges/ | {
"a_id": [
"cgk8xek",
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"score": [
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"text": [
"The Ivy League is an unofficial term to refer to 8 specific schools (Brown University, Columbia University, Cornell University, Dartmouth College, Harvard University, Princeton University, the Universit... | [] | [] | [
[],
[],
[]
] | ||
b5kz0o | when we have injuries and get salt/salt water in them, it burns. is it known if marine animals have the same issue? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b5kz0o/eli5_when_we_have_injuries_and_get_saltsalt_water/ | {
"a_id": [
"eje8h5o",
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"score": [
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"text": [
"The reason it stings in humans is that the salt dehydrates the wound. humans aren’t evolved to handle salt like that. Saltwater animals have evolved to handle saltwater. ",
"So, this happens because of [tonicity.](_URL_... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Tonicity"
]
] | ||
44hdaz | why doesn't an aircraft carrier tip over? | I understand why a ship floats, but aircraft carriers have so much mass extending out beyond the centerline of the hull (especially the superstructure on one side) it looks like it should tip over. [Aircraft Carrier](_URL_0_)
Edit: Thanks! Great explanations. My brain just couldn't reconcile that photo with stability. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/44hdaz/eli5_why_doesnt_an_aircraft_carrier_tip_over/ | {
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11,
21,
2,
2
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"text": [
"You're just not seeing the hull. This is a tip-of-the-iceberg type situation. The keel is heavy and huge and it holds things in place.\n _URL_0_\n\n",
... | [] | [
"http://imgur.com/tsSp5tv"
] | [
[
"http://1x57.com/wp-content/uploads/2012/05/gerald-r-ford-aircraft-carrier-keel-section-us-navy-bow-crane-first-in-class.jpg"
],
[
"http://www.amazon.com/Old-Style-Clown-Punching-Bag/dp/B00I1323FI",
"http://digital.dailypress.com/cvn77/images/ng_SS-53REV-2-10-06-06-FIN.jpg",
"http://www.radfor... | |
3h415y | why don't we launch rockets off mountains? | Why doesn't NASA launch rockets off the Rockies or some other mountain range? Wouldn't it save a lot off fuel because there would be less gravity and less distance to travel to get into orbit? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3h415y/eli5_why_dont_we_launch_rockets_off_mountains/ | {
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"text": [
"they're not really worri... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[],
[
"http://foxtrotalpha.jalopnik.com/the-space-shuttle-s-military-launch-complex-in-californ-1710303170"
],
[]
] | |
2sexzh | why do fast food chains not allow employees to eat the food at the end of the day, even though it's just getting thrown away? | At the end of the day, the fast food place throws all of the cooked food away. It seems like they always over stress the fact that employees are NOT ALLOWED to eat said food. It just seems weird to me. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2sexzh/eli5_why_do_fast_food_chains_not_allow_employees/ | {
"a_id": [
"cnosoon"
],
"score": [
13
],
"text": [
"To discourage waste and planning to make more than is needed. If Employee A is 30 minutes from end of shift and puts on 20 burgers and is expecting to sell 10, you could argue the extra 10 were put on to take home to roommates/family/whatever. ... | [] | [] | [
[]
] | |
379hhr | why isn't memorial day in the us a sombre holiday, like it is in most other countries? | Canadian here, though I've also lived in Israel. In both of these countries, the equivalents of Memorial Day (Remembrance Day in Canada, or Yom Hazikaron in Israel) are extremely somber holidays.
I've never heard of a "Remembrance Day Sale" or a "Yom Hazikaron barbecue."
In Canada, Remembrance Day is quite somber. I... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/379hhr/eli5_why_isnt_memorial_day_in_the_us_a_sombre/ | {
"a_id": [
"crkrlh1",
"crks8of"
],
"score": [
3,
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],
"text": [
"The average American really doesn't *do* somber.\n\nAlso, remember that, though we fought in both World Wars, neither of them were on our soil, and nearly zero of our civilians died in either of them. This is true in Canada ... | [] | [
"https://www.youtube.com/watch?v=QSfvInbDjmk"
] | [
[],
[]
] | |
5mtjec | did the greek bailout anyhow affect germanys economy? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5mtjec/eli5_did_the_greek_bailout_anyhow_affect_germanys/ | {
"a_id": [
"dc68mq9"
],
"score": [
5
],
"text": [
"You are mildly mistaken. Unlike US, most European bailouts needs an underlying security. So Germany has to pawn assets in order to give the money to Greece. The European Central Bank can only buy assets and thus the quantitative easing (buying bo... | [] | [] | [
[]
] | ||
svegj | how can a wart stay on my finger for months and then just disappear in a couple of days? | What exactly happens there? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/svegj/eli5_how_can_a_wart_stay_on_my_finger_for_months/ | {
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"c4hc4d9",
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"score": [
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],
"text": [
"Warts are caused by a virus (HPV). It's not unusual for them to eventually disappear, but they can come back. BTW, try apple cider vinegar or a banana peel applied directly to the... | [] | [] | [
[],
[],
[],
[]
] | |
3ndh2u | what causes the discoloration in mirrors when you do the infinite mirror thing with two mirrors? | What causes the discoloration in the mirror towards the mid-background of the picture here. _URL_1_
_URL_0_
The mirrors closest to the original cat seem to be normal but as you see the next set of "infinite" mirrors they become darker as though the light has become distorted. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3ndh2u/eli5_what_causes_the_discoloration_in_mirrors/ | {
"a_id": [
"cvn0p5o"
],
"score": [
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],
"text": [
"Some light is absorbed with each reflection, the mirrors are not perfect reflectors.\n\nThe cheap glass in the mirrors also has a slight green color to it that's usually not perceptible but becomes apparent after multiple passes."
]
} | [] | [
"https://www.reddit.com/r/aww/comments/3nbu9q/the_ritual_is_complete/",
"https://i.imgur.com/Ar80FYZ.jpg"
] | [
[]
] | |
3klni3 | why do companies think it's necessary to change the layout of their user interface? e.g. netflix, microsoft, facebook, youtube, google, etc. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3klni3/eli5_why_do_companies_think_its_necessary_to/ | {
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"cuyfwk7",
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"cuylhei",
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"score": [
42,
5,
13,
18,
2,
2
],
"text": [
"Stuff evolves. Go actually look at how awful websites used to be. Go actually look at how clunky popular websites used to be compared... | [] | [] | [
[
"http://www.warnerbros.com/archive/spacejam/movie/jam.htm"
],
[],
[],
[],
[],
[]
] | ||
38zrrs | what are very small dogs thinking when they bark at, run away from, then bark again at animals much larger than themselves? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/38zrrs/eli5what_are_very_small_dogs_thinking_when_they/ | {
"a_id": [
"crz6lu1"
],
"score": [
2
],
"text": [
"Most small dog breeds are bred to be 'ratters', meaning they hunt rats. They are meant to go down holes and into small places and kill what they find there. But anything they find in a small space, they will easily be able to kill. So they have b... | [] | [] | [
[]
] | ||
26no3p | why does it take so long to withdraw the us' troops from the afghanistan, iraq, and the other countries they're in? | It seems to me that I've been hearing on the news, ever since the war started, that President [Bush, Obama] will have a certain amount of troops moved out of [Afghanistan, Iran, Iraq, etc.] in the next x amount of years. I realize that there is a cost to moving troops out (flying a plane, boat, etc.), but why has it ta... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/26no3p/eli5_why_does_it_take_so_long_to_withdraw_the_us/ | {
"a_id": [
"chsq1j4",
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"score": [
5,
3,
3
],
"text": [
"Because we don't want to have everything fall into hell when we leave.\n\nWe could move the entire force in 24 hours if we wanted too. But if we did, the resulting power vacuum would probably send the c... | [] | [] | [
[],
[],
[]
] | |
3n1hla | would it actually be scientifically possible for us to terraform another planet like mars or venus and make the atmosphere breathable and livable? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3n1hla/eli5_would_it_actually_be_scientifically_possible/ | {
"a_id": [
"cvjzlqx",
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"score": [
3,
3
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"text": [
"Yes, it would take many resources but its definately possible. For low density atmospheric planets its quite hard though. Most of those planets cannot maintain their own atmosphere and creating this would require the gassifi... | [] | [] | [
[],
[]
] | ||
25penr | do batteries wear out evenly, or are we throwing away batteries with life left? | When I have multiple batteries in a remote, flashlight, etc., will they all go dead at the same rate, or will some have life left when I replace them? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/25penr/eli5_do_batteries_wear_out_evenly_or_are_we/ | {
"a_id": [
"chjgljf",
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"chjivlr",
"chjjbb2",
"chjp69p"
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"score": [
54,
26,
12,
6,
4,
3
],
"text": [
"I don't have a sciencey answer for you, but I can tell you that in Afghanistan we're not allowed to throw away batteries because the ... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | |
8725ge | can a bloody mary actually remove hangover symptoms? | To me it seems like drinking alcohol in any form after a rough night out is a bad idea. Can having one drink, possibly a Bloody Mary the next day actually help? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8725ge/eli5_can_a_bloody_mary_actually_remove_hangover/ | {
"a_id": [
"dw9lowk",
"dw9m1uq"
],
"score": [
2,
3
],
"text": [
"Yes, alcohol relieves the symptoms of a hangover.\n\nAlso, this drink contains plenty of water and some salt, both of which help with the dehydration.",
"Alcohol to relieve a hangover (the \"hair of the dog\" that bit yo... | [] | [] | [
[],
[]
] | |
3n92k9 | why do we say 'planet earth' but never 'planet mars, jupiter, venus etc'? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3n92k9/eli5_why_do_we_say_planet_earth_but_never_planet/ | {
"a_id": [
"cvlx045",
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"score": [
2,
7
],
"text": [
"Earth could also refer to actual ground or dirt, rather than the planet itself. Or it could refer to the metal band. Or it could refer to some hippie goddess of nature, etc. Mars is less confusing but one might say Planet... | [] | [] | [
[],
[]
] | ||
701wir | why do asian countries have a much smaller rate of obesity than the us? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/701wir/eli5_why_do_asian_countries_have_a_much_smaller/ | {
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"score": [
2,
44,
3,
6,
4,
9,
4,... | [] | [] | [
[],
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],
[],
[],
[],
[],
[],
[],
[],
[],
[
"https://en.wikipedia.org/wiki/The_China_Study"
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[],
[],
[],
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8h0uuh | at what heights do falls become dangerous? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8h0uuh/eli5_at_what_heights_do_falls_become_dangerous/ | {
"a_id": [
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"text": [
"It depends what part of your body hits first. However, falls from more than 10 feet in adults and falls from 2-3x the height of a child are considered severe.",
"There are a l... | [] | [] | [
[],
[],
[],
[]
] | ||
35hh1w | the sat and gpa(and american high school in general) | Ok so I just watched the Idea Channel episode about the SAT and I have come away with the impression(and I may be mistaken) that f the SAT(which I believe is the equivalent of final year exams elsewhere) is entirely multiple choice. I come from a socialist republic and for my final exams I am forced to write essays,wri... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/35hh1w/eli5_the_sat_and_gpaand_american_high_school_in/ | {
"a_id": [
"cr4fl6k"
],
"score": [
3
],
"text": [
"The SAT (and a competing test, the ACT) are college entrance exams. They are not required for finishing mandatory education, but rather as the first step in going on to university-level studies.\n\nMany American high school tests have essay quest... | [] | [] | [
[]
] | |
67c6ux | how come that ships developed their own measurement systems for distance and speed (nautical miles and knots) different from the measurements for any other form of transportation? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/67c6ux/eli5_how_come_that_ships_developed_their_own/ | {
"a_id": [
"dgpb0j8",
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"score": [
2,
3,
11
],
"text": [
"The sea is constantly shifting and has no landmarks to speak of. So the primary navigation aids naturally available are things outside the Earth like the Sun and stars. When you use these to measure yo... | [] | [] | [
[],
[],
[]
] | ||
j43xh | famine in somalia li5? | I keep hearing the situation over there is worse for the history of the area, and the lack of government. Can someone explain the history of Somalia like I'm five, so I can understand where this famine came from? Thanks. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/j43xh/famine_in_somalia_li5/ | {
"a_id": [
"c28zi5e",
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7,
2
],
"text": [
"I don't know about any environmental happenings in Somalia, but I do know that NATO has been bombing non-government ports on the coast of Somalia. That is, if you build a port to import stuff like food... | [] | [] | [
[],
[],
[
"http://www.washingtonpost.com/opinions/in-somalia-a-failure-in-1992-has-led-to-a-famine-today/2011/07/26/gIQAvrdYhI_story_1.html"
]
] | |
265yte | what's actually happening when we get high? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/265yte/eli5_whats_actually_happening_when_we_get_high/ | {
"a_id": [
"cho079o"
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"score": [
2
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"text": [
"It depends entirely on what drug you are getting high on. For the most part, drugs either mimic or inhibit the action of normal brain chemicals, or they increase or decrease the concentration of those chemicals. This causes increased or decreased... | [] | [] | [
[]
] | ||
7bebmq | how do such small doses of things like cocaine and heroin kill you? how do these small powders have such a big effect on your body? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7bebmq/eli5_how_do_such_small_doses_of_things_like/ | {
"a_id": [
"dphb0fq",
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"score": [
89,
12,
2,
3,
4,
3,
2
],
"text": [
"It just doesn't always take a lot of something to have an effect in your body. Cocaine and heroin have different... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | ||
32v01m | how does a homing pigeon work? can they go to more than one location and be launched from anywhere? | Saw an episode of White Collar today that used one, and just curious how they worked. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/32v01m/eli5how_does_a_homing_pigeon_work_can_they_go_to/ | {
"a_id": [
"cqewxh5"
],
"score": [
3
],
"text": [
"My dad raised pigeons for the purpose of racing them, and I can confirm what everyone said below. They just go home. In old times, pigeons would be raised at a military base or something, and when a campaigning force would go out, they would take... | [] | [] | [
[]
] | |
d6ki2z | why are bones so white when exposed in an injury? | Awhile ago I saw a post of a lady who had her leg amputated and kept the bones of her amputated leg. She had the heel of it tattooed and around the tattoo it was stained black. Considering bones are porous why are they not stained by blood in the event of a bone exposing injury? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/d6ki2z/eli5_why_are_bones_so_white_when_exposed_in_an/ | {
"a_id": [
"f0v0097"
],
"score": [
3
],
"text": [
"I'm a little confused by the question. Do you mean when bones are immediately exposed after an injury? In that case bone is more of a ruddy (red-brown) gray color. There is blood within the bone itself, especially in the inner marrow cavity, and ... | [] | [] | [
[]
] | |
p1qy4 | how do they make the different pasta shapes so uniformly and perfectly? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/p1qy4/eli5_how_do_they_make_the_different_pasta_shapes/ | {
"a_id": [
"c3lsepp",
"c3lsfow"
],
"score": [
9,
6
],
"text": [
"Think industrial grade play-do fun factory. ",
"Did you have a [Play-Doh Fun Factory](_URL_0_) when you were a kid? \n\n(Eww I can still smell that nasty shit. Thankfully I don't remember ever putting it in my mouth, or ... | [] | [] | [
[],
[
"http://amalfipaper.files.wordpress.com/2008/11/playdoh.jpg"
]
] | ||
1tnhlk | why do we have intrusive thoughts? | Edit: More specifically the really jacked up terrible thoughts. For example the I could swerve into oncoming traffic just because I can thought. Appreciate all the responses to the latter though! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1tnhlk/eli5_why_do_we_have_intrusive_thoughts/ | {
"a_id": [
"ce9og4a",
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"ce9r4cc",
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"score": [
17,
2,
3,
28,
56,
6
],
"text": [
"Because our minds aren't some solid monolithic thing but a collection of processes. While you're aware of one, occupied with daydrea... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | |
1y0mb8 | why is it that when i was younger, kids that were 1 or 2 years older than me not only looked bigger but older? | I'm talking about when I was around the ages of 4-7, kids that were a few years older than me looked like they were all 18 year old teenagers. How does that work? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1y0mb8/eli5_why_is_it_that_when_i_was_younger_kids_that/ | {
"a_id": [
"cfg9u2m",
"cfg9zrt",
"cfgbajb"
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"score": [
3,
5,
5
],
"text": [
"Because of perspective. They lived 1.5 times longer than you have at that point. ",
"Perspective. Soon those 18 year old will look like 3-5 year olds to you.\n\nSource: I'm 30",
"Because they wh... | [] | [] | [
[],
[],
[]
] | |
1vyksy | why are university texts often ridiculous in price? example inside | anlpZOYYiouDpWO2npFwhjmoqqSuCIF3TLlrElN2iOE9OFnVPNeqISZE9H7GjUanlpZOYYiouDpWO2npFwhjmoqqSuCIF3TLlrElN2iOE9OFnVPNeqISZE9H7GjUanlpZOYYiouDpWO2npFwhjmoqqSuCIF3TLlrElN2iOE9OFnVPNeqISZE9H7GjUanlpZOYYiouDpWO2npFwhjmoqqSuCIF3TLlrElN2iOE9OFnVPNeqISZE9H7GjUanlpZOYYiouDpWO2npFwhjmoqqSuCIF3TLlrElN2iOE9OFnVPNeqISZE9H7G | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1vyksy/eli5_why_are_university_texts_often_ridiculous_in/ | {
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"text": [
"That price is for a new hardcover version of the book, which is apparently very rare. The price for a new paperback is indeed about $30.",
"Because its conveniently located wit... | [] | [] | [
[],
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1zt49d | why cant a dos attack be prevented? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1zt49d/eli5why_cant_a_dos_attack_be_prevented/ | {
"a_id": [
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"A server is there to serve users by providing access to a remote resource. If the DoS is from one user, this can be stopped by putting a limit on how any times one address may access the resource.\n\nDDoS is a different stor... | [] | [] | [
[],
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5gwo7m | why does violet bend more than red when refracted? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5gwo7m/eli5_why_does_violet_bend_more_than_red_when/ | {
"a_id": [
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"text": [
"Violet has the shortest wavelength in the visible range. The shorter the wavelength the more a wave/particle is slowed down when passing through a prism. The more it is slowed down the more it is bent or refracted. Red on the other hand has the l... | [] | [] | [
[]
] | ||
c3hsi0 | what does the dot product mean in linear algebra? why is it used in movement equations? | While this might be a higher-level question, I am looking for an easy to grasp answer for this. I do some video game development in my free time, and it seems like the dot product of two vectors are used to calculate movement, position, light refraction, etc. My question is *why?* Like, I get the math part of it, but w... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/c3hsi0/eli5_what_does_the_dot_product_mean_in_linear/ | {
"a_id": [
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"text": [
"The dot product takes two vectors and calculates how much they \"lie on each other\" or \"how much they align.\" Two vectors at 90 degrees from one another will have a dot product of zero since they do not lie on each other ... | [] | [] | [
[],
[]
] | |
5vc18q | why does anxiety cause nausea, whuch then causes more anxiety? | For example, you're fine but something triggers your anxiety or startle response and soon after, you feel nauseated. Because you're sick, it causes more anxiety and the cycle continues. So, what causes your gut to get upset and how can you curb or prevent it from happening when you start feeling anxious? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5vc18q/eli5why_does_anxiety_cause_nausea_whuch_then/ | {
"a_id": [
"de0xohk"
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"text": [
"It's by no means a completely accurate response but it's probably because our brain doesn't know any better, when you're anxious it thinks that you're in physical danger and triggers a \"flight or flight\" response, pumping heart rate and breathi... | [] | [] | [
[]
] | |
2bdc5h | why hasn't a legit 'miracle' diet drug actually been invented? | I mean, we have antihistamines, antibiotics, antidepressants, expectorants, etc, that get the body to respond differently to things, so why haven't we been successful at developing some sort of a drug that prevents the stomach and intestines from absorbing sustenance? Or allows our body to just flush any absorbed gluco... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2bdc5h/eli5_why_hasnt_a_legit_miracle_diet_drug_actually/ | {
"a_id": [
"cj475pj",
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"score": [
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"text": [
"There was an OTC drug a few years back, not sure if it's still sold, by the name of Alli (pronounced \"ally\").\n\nIt worked, essentially, by preventing your body from absorbing most of the fat/grease ... | [] | [] | [
[],
[
"http://www.amazon.com/Haribo-Gummi-Bears-Sugar-Free/dp/B000EVQWKC"
],
[
"http://www.cdc.gov/homeandrecreationalsafety/overdose/facts.html",
"http://www.huffingtonpost.com/judith-j-wurtman-phd/will-a-weightloss-substan_b_771755.html"
]
] | |
22cwzr | how can a corporation be regulated by a government that is funded and controlled by corporations? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/22cwzr/eli5_how_can_a_corporation_be_regulated_by_a/ | {
"a_id": [
"cglke46"
],
"score": [
3
],
"text": [
"An example of a loaded question. "
]
} | [] | [] | [
[]
] | ||
1xfvlp | how do supermarkets decide what items go on sale? | I'll often see different supermarkets with the same items on sale and it usually seems somewhat random so any help explaining what process they use would be greatly appreciated! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1xfvlp/eli5_how_do_supermarkets_decide_what_items_go_on/ | {
"a_id": [
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"text": [
"there are a bunch of factors. Some things are put on sale because of the current season, i.e. pumpkin pie mix around thanksgiving, eggnog around xmas. Other times, things can be put on sale because t... | [] | [] | [
[],
[],
[]
] | |
22cp0a | the higher the capacity of battery, the quicker it is to charge. | Higher capacity = Holds more charge.
Would it not take longer to charge because it had more to fill? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/22cp0a/eli5_the_higher_the_capacity_of_battery_the/ | {
"a_id": [
"cglinm4",
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"score": [
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"text": [
"Batteries are usually capacity rated using Amp-Hours(Ah), or more commonly milliamp-hours (mAh). This is a measure of stored energy, and refers to the time a battery can supply a constant current. For example, a battery capa... | [] | [] | [
[],
[]
] | |
60svq1 | how long would humans be able to live if things like cancer or other diseases didn't exist? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/60svq1/eli5_how_long_would_humans_be_able_to_live_if/ | {
"a_id": [
"df91hog"
],
"score": [
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"text": [
"Probably 115 years. \n\nA few people would get a bit more, a few would get a bit less.\n\nBut that doesn't include super rad medical progress.\n\nHere's an article from Nature that sort of discusses both sides:\n\n_URL_0_"
]
} | [] | [] | [
[
"http://www.nature.com/news/human-age-limit-claim-sparks-debate-1.20750"
]
] | ||
2vmz1r | what's the difference between post-karma and link-karma? | I know that one is for upvotes I have on comments, and the other one is for the links I submited that got upvoted. I'd like to know, why they are counted seperately and what the other differences may be. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2vmz1r/eli5whats_the_difference_between_postkarma_and/ | {
"a_id": [
"coj3ro0"
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"text": [
"They're counted separately because Reddit was originally *just* a link-sharing site. There were no comments. When they decided to add comments & self posts, they decided that those should not count towards your link-sharing score. This mean... | [] | [] | [
[]
] | |
xx2sb | - why aren't you supposed to look animals in the eye? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/xx2sb/eli5_why_arent_you_supposed_to_look_animals_in/ | {
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"text": [
"Some animals, like dogs, or gorillas, consider this a sign of aggression. It's how they signal a challenge to each other in the wild.",
"Because they either take it as a chall... | [] | [] | [
[],
[],
[],
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5uhsy0 | what does happen at the merger of two oceans ? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5uhsy0/eli5_what_does_happen_at_the_merger_of_two_oceans/ | {
"a_id": [
"ddu3ct1"
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"score": [
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"text": [
"To quote u/Nevuary's explanation (which was in the post you linked).\n\n > The gradients are more likely caused by the fresh glacial water carrying glacial sediments meeting the ocean water which has a higher salt content. These two bodies of wa... | [] | [] | [
[]
] | |
1dvfer | in our world of convienience why do we no longer use milk men services? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1dvfer/eli5_in_our_world_of_convienience_why_do_we_no/ | {
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"text": [
"There are still services that deliver milk (and other products). They are usually pretty expensive so I'd say it's a matter of cost vs. convenience.",
"Milk keeps longer now,... | [] | [] | [
[],
[],
[],
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] | ||
9b0ed2 | why is a lottery considered a tax on the poor? | Mississippi ALMOST passed a lottery bill last night, but it failed. Some we're relieved calling it a "tax on the poor." | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9b0ed2/eli5_why_is_a_lottery_considered_a_tax_on_the_poor/ | {
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"score": [
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"text": [
"Because poor people as a demographic overwhel... | [] | [] | [
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[],
[],
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] | |
1ua1h6 | in tonal languages like mandarin, how do you sing without changing the meaning of the individual words? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ua1h6/eli5_in_tonal_languages_like_mandarin_how_do_you/ | {
"a_id": [
"cefypmi",
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"score": [
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"text": [
"Although the the language is tonal, a lot of the meaning of words ... | [] | [] | [
[],
[],
[
"https://www.youtube.com/watch?v=G4_hhPM-6RU&feature=youtube_gdata_player"
],
[],
[],
[],
[
"http://www.youtube.com/watch?v=lW76--K6at0"
],
[],
[]
] | ||
3xytjw | anonymous is a leaderless decentralized organization. hen the media reports that anonymous has issued a statement, where do these statements come from? | Can anyone issue a statement in the name of Anonymous?
EDIT: sorry for the typo | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3xytjw/eli5_anonymous_is_a_leaderless_decentralized/ | {
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"text": [
"The easiest way to answer your question is to simply rearrange it slightly: Anyone can issue a statement in th... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | |
18h4oz | how do animals get enough nutrition from a single food source? | Cows with grass, chickens with grain, koalas with eucalyptus, where do they get their fat + protein / other nutrients? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/18h4oz/how_do_animals_get_enough_nutrition_from_a_single/ | {
"a_id": [
"c8es8en"
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"score": [
7
],
"text": [
"It's all about specialization. The animals you listed have evolved to be really good at getting all the nutrition they can out of a specific type of food material. Cows have four stomach compartments and gigantic appetites, koalas have internal o... | [] | [] | [
[]
] | |
10xgsp | why the chinese are building ghost cites? | Why/how do they keep them unoccupied? I mean there lot's of space people could move right in, what is preventing them? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/10xgsp/eli5_why_the_chinese_are_building_ghost_cites/ | {
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"text": [
... | [] | [] | [
[
"http://www.youtube.com/watch?v=wm7rOKT151Y"
],
[],
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1q942r | confused anthropology syudent here... how do scientists decide the genus for a *hominid*?? | How do they choose a genus for them? What makes the scientist decide if a hominid is Australopithecus, Homo, Ardipithecus, ect, ect...
What certain traits are required for it to fall into a particular genus? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1q942r/eli5_confused_anthropology_syudent_here_how_do/ | {
"a_id": [
"cdaf9lu"
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"score": [
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"text": [
"Since this wasn't enough, you have two questions here, which we tried to answer one of: the differences between the *hominins* - it sounds like you just want humanoids - and, in particular, of the subtribe Hominina; and how one defines a new spec... | [] | [] | [
[]
] | |
2upahz | why are whites frequently condemned for practicing slavery, when slavery existed in almost every ancient civilization? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2upahz/eli5_why_are_whites_frequently_condemned_for/ | {
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2
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"text": [
"Our civilization wasn't that ancient. And abolitionists won the war and painted the losers as evil. Plus slavery is comparable to pet and animaL ownership tod... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
38k9wl | what makes rail transportation so much more energy efficient than road transportation? | Let's control for other variables - so imagine a train on steel rails and the same train on asphalt. Why is the rail road train more efficient (if it is)?
I've heard that the low friction of the steel wheels to the steel track may be the answer, but that doesn't make sense to me. Friction should be desirable or else... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/38k9wl/eli5_what_makes_rail_transportation_so_much_more/ | {
"a_id": [
"crvvlyf"
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"score": [
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"text": [
"Perhaps the biggest factor that you haven't removed from the equation is traffic, stop signs, stop lights, etc. Braking kills your efficiency.\n\nOther significant factors that you've controlled for include:\n\n* grading - rail lines generally i... | [] | [] | [
[]
] | |
225rgh | how we can be so far in debt and still giveaway so much? | Not meant for a political opinion but more or less why is it we are in such a debt but still able to offer others "aid"?
Does this aid count towards our debt? Who is collecting this debt ? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/225rgh/eli5how_we_can_be_so_far_in_debt_and_still/ | {
"a_id": [
"cgjm5jl"
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"score": [
3
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"text": [
"1) Foreign aid is a fraction of our budge, [about 1.5%](_URL_1_)\n\n2) We are able to borrow money to pay for our budget because our assets are worth enough to justify our borrowing.\n\n3) Various groups own our debt the largest being the federal... | [] | [] | [
[
"http://www.factcheck.org/2013/11/who-holds-our-debt/",
"http://www.cgdev.org/page/foreign-assistance-and-us-budget"
]
] | |
5l3nce | why can people sleep through loud noises but get woke up easily by voices? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5l3nce/eli5_why_can_people_sleep_through_loud_noises_but/ | {
"a_id": [
"dbsn99a",
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"score": [
8,
2,
5
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"text": [
"I know I wake up for some noises and not others and some voices but not others. I believe it is because the brain doesn't actually shut all the way down when we sleep. Only parts. So the noises that mat... | [] | [] | [
[],
[],
[]
] | ||
8bxzbm | what determines the planets' time of complete rotation? | I always thought smaller planets tend to rotate faster, then I looked it up online discovering pluto's complete rotation to be 6 days. That's a whole lot more against giants like uranus, neptune, or jupiter. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8bxzbm/eli5_what_determines_the_planets_time_of_complete/ | {
"a_id": [
"dxajjbz"
],
"score": [
7
],
"text": [
"It's basis is conservation of angular momentum. The old picture of the ice skater's spin increasing as she pulls her arms in towards her body and slowing when she stretches out.\n\nAs the material that went to make up the planet falls into the b... | [] | [] | [
[]
] | |
11kyol | how to drive a car with manual shift. | Just wondering how to drive a car with manual transmission. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/11kyol/elif_how_to_drive_a_car_with_manual_shift/ | {
"a_id": [
"c6ndk4x",
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"score": [
3,
5
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"text": [
"ELI5?\n\nThere's a third pedal on the left called a \"clutch.\" To shift gears you press down on the clutch, while lifting off the gas pedal. Then you shift gears and release the clutch while pressing down on the gas.",
... | [] | [] | [
[],
[]
] | |
b5qrda | why do penguins collect pebbles? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b5qrda/eli5_why_do_penguins_collect_pebbles/ | {
"a_id": [
"ejf7d9g",
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"score": [
6,
11,
2
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"text": [
"They like the way they look, its simple as that. Even though, it has been observed that they use them as a form of currency. A female penguin was observed recieving pebbles and dancing for them, which ... | [] | [] | [
[],
[],
[
"https://en.wikipedia.org/wiki/Prostitution_among_animals"
]
] | ||
4v2o17 | why americans complain so much about their political system, but voter turnout is so low? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4v2o17/eli5_why_americans_complain_so_much_about_their/ | {
"a_id": [
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"score": [
19,
7,
30,
17,
24,
4,
... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[
"https://en.wikipedia.org/wiki/Diffusion_of_responsibility"
],
[],
[],
[],
[]
] | ||
19te2u | the difference between the muslim and catholic religions | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/19te2u/eli5_the_difference_between_the_muslim_and/ | {
"a_id": [
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"score": [
2,
2,
3,
2
],
"text": [
"To my knowledge, Catholics believe that there's one God, who acts through the trinity, effectively three presences. Muslims believe in one God who's one being. There's no concept... | [] | [] | [
[],
[],
[],
[]
] | ||
4calny | what is the point of "bulking" and "cutting" when getting in shape? is there an advantage to gain/lose weight like that instead of a steady progression? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4calny/eli5_what_is_the_point_of_bulking_and_cutting/ | {
"a_id": [
"d1gfr9o"
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"score": [
3
],
"text": [
"I'll refer you here:\n\n_URL_0_"
]
} | [] | [] | [
[
"https://www.reddit.com/r/explainlikeimfive/comments/1t68fo/eli5_bulking_and_cutting/"
]
] | ||
74s908 | why do cable cars need a cable? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/74s908/eli5_why_do_cable_cars_need_a_cable/ | {
"a_id": [
"do0qo8a",
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"score": [
3,
4
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"text": [
" > The bus still seems to run on gas.\n\nIt may have a backup engine, but its main power source is electricity supplied by the overhead cable.",
"That's not an actual \"cable car\". A true cable car has nothing overhead... | [] | [] | [
[],
[]
] | ||
3u6v1o | how would quantum computers be immune from hacking and spying? | "Quantum supercomputers promise to be exponentially faster and more powerful than traditional computers ... and can communicate with immunity to hacking or spying."
_URL_0_ | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3u6v1o/eli5_how_would_quantum_computers_be_immune_from/ | {
"a_id": [
"cxceblj",
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6,
3
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"text": [
"I'm not sure what level of technical detail you want to get into, but I'll let you know from now that the actual science and mathematics behind secure quantum cryptography is incredibly complex and difficult to explain.\n\nT... | [] | [
"http://news.stanford.edu/news/2015/november/cryptography-quantum-tangle-112415.html"
] | [
[
"http://www.raysforexcellence.se/wp-content/uploads/2013/02/Detection-of-Eavesdropping-in-Quantum-Key-Distribution-using-Bells-Theorem-and-Error-Rate-Calculations.pdf"
],
[]
] | |
1leciy | arm (risc architecture) vs. x86-64 (cisc architecture) | Is this the reason why operating systems have to be created specifically for ARM processors?
I got my first Raspberry Pi the other day and was just curious. It has an ARM processor so the Linux distro's have to be designed to run on the ARM architecture, correct? This is why I couldn't download Ubuntu and run it off ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1leciy/eli5_arm_risc_architecture_vs_x8664_cisc/ | {
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"Computer processors work on instruction sets, which are basically commands that tell the processor what to do. An example might be a command to move a value in to memory, or a com... | [] | [] | [
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3a04a9 | how can plants/vegetables repair or regrow themselves? is it similar to how animals heal? | I've seen pictures of trees that grew from stumps and plants growing back from their roots and it's always baffled me. Can anyone explain? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3a04a9/eli5_how_can_plantsvegetables_repair_or_regrow/ | {
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"Plants have chemicals that signal what to do. If there is a change in a ratio of chemicals the cells in the plant will respond differently. The growing point of a plant will release a chemical, if it is damaged then it can no longer release the c... | [] | [] | [
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"https://en.wikipedia.org/wiki/Plant_hormone"
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6l9h3c | why haven't we built huge trains? | I'm just watching a documentary on the Queen Mary, and it said that it contained the power of 24 or something steam trains and was as long as The Eiffel Tower is high, it made me wonder why (especially in North America), they hadn't built absolutely colossal trains?
If we can build ships, planes, or even buildings ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6l9h3c/eli5why_havent_we_built_huge_trains/ | {
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"because we dont really need to. The existing train tracks already run cross country and can support TONS of weight.\n\nTheres no point ... | [] | [] | [
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