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 |
|---|---|---|---|---|---|---|---|---|---|
c45imi | how do we decide what is "up" and what is "down" in space? how do we decide the orientation of something, is it arbitrary or do we decide it relative to something else? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/c45imi/eli5_how_do_we_decide_what_is_up_and_what_is_down/ | {
"a_id": [
"eruypnz"
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"score": [
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"text": [
"There's no objectively correct orientation in space. Images of the earth are usually aligned so Earth North is up, but that's because it would look wierd if it weren't.\n\nI suppose you would orient yourself to the orbital plane of the objects yo... | [] | [] | [
[]
] | |
4hj5tz | what is the difference between the storage technology used in ssd's, and the one used in phones and usb-sticks? | Why wasn't HDD's replaced earlier with whatever we were using in phones and USB's? Or was it? Is that the same technology as the SSD? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4hj5tz/eli5_what_is_the_difference_between_the_storage/ | {
"a_id": [
"d2pyzg2",
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"score": [
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"text": [
"Literally - Nothing except the controller in most cases.\nIn those Few cases Technologically, the main differences between the two are in :\n The underlying technology used to construct the NAND,\n The quality of the F... | [] | [] | [
[],
[]
] | |
2enq2p | why has evolution favored external testicles for temperature regulation of sperm rather than just favoring sperm that flourishes in any body temperature? | I would imagine that the natural selection process would originally just favor the sperm that's able to survive in harsher environments rather than developing a whole dangling contraption that's prone to injury and environmental influence. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2enq2p/eli5_why_has_evolution_favored_external_testicles/ | {
"a_id": [
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"ck26692"
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"score": [
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"text": [
"Because the natural selection process does n... | [] | [] | [
[],
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[],
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[],
[
"https://www.youtube.com/watch?v=cO1a1Ek-HD0"
],
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] | |
5ymucm | hashing and salting [programming] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ymucm/eli5_hashing_and_salting_programming/ | {
"a_id": [
"dertjfx"
],
"score": [
2
],
"text": [
"This response ended up a bit longer. I hope it explains the concept in understandable terms.\n\nYou had this brilliant idea. Web 3.0! Social! It's will be the next big thing! So you start coding. Of course your users need a way to sign up and log... | [] | [] | [
[]
] | ||
36jy9a | what are the differences between a salsa, chutney, relish, etc? | What are the fundamental differences between these types of dishes? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/36jy9a/eli5_what_are_the_differences_between_a_salsa/ | {
"a_id": [
"cremerj"
],
"score": [
4
],
"text": [
"A relish is a cooked, pickled, or chopped vegetable or fruit food item typically used as a condiment in particular to enhance a staple.\n\nChutney is a family of condiments associated with South Asian cuisine made from a highly variable mixture o... | [] | [] | [
[]
] | |
3ilvfq | why some applications in google play have a high rating ( > 4.0), despite being either a horrible app in general, a scam, or clickbait? | I've always noticed that for some applications, the rating doesn't match the actual rating from users. Like on the front page of the app, it will have a rating of 4.3, but if you scroll down and read the reviews, they say stuff like "SCAM" or "Don't download!". | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3ilvfq/eli5_why_some_applications_in_google_play_have_a/ | {
"a_id": [
"cuhlckr"
],
"score": [
9
],
"text": [
"Averages are easy to manipulate, especially given who tends to leave ratings.\n\nIf my company makes a clickbait app; and has 20 people working for it, it's going to take 5 0-star revies to lower the rating to 4 (because we all voted it up). If e... | [] | [] | [
[]
] | |
5n0ww6 | in the winter, when we 'heat up' our cars, what is going on mechanically that is actually better for the car than driving it immediately? | I've always had this perception that the internal machinery would sheer and wear more or break under stress in cold temps, is that basically correct? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5n0ww6/eli5_in_the_winter_when_we_heat_up_our_cars_what/ | {
"a_id": [
"dc7tay2",
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"score": [
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2,
5
],
"text": [
"In theory you want the metal parts to heat evenly before stress is placed on them. Cold things are generally more brittle which means they would crack instead of bending.\n\nIn reality modern cars don't... | [] | [] | [
[],
[
"http://www.popularmechanics.com/cars/a19086/warming-up-your-car-in-the-cold-just-harms-engine/"
],
[]
] | |
2bw7vw | why is postage not moved on weekends? | I ordered a few things on Thursday, it said 3-5 business days, which I discovered didn't include weekends. Why doesnt post move on weekends? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2bw7vw/eli5_why_is_postage_not_moved_on_weekends/ | {
"a_id": [
"cj9i4lk",
"cj9i75k"
],
"score": [
5,
2
],
"text": [
"The mail people need a day off too?\n",
"Post will move some on the weekends, but not as much. This is why there's a differential between \"days\" and \"business days\"."
]
} | [] | [] | [
[],
[]
] | |
2ct27v | why was there no monarchy established america ? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ct27v/eli5_why_was_there_no_monarchy_established_america/ | {
"a_id": [
"cjip1va"
],
"score": [
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],
"text": [
"We umm... rebelled against one? Like that was the whole point of the revoution. There was a small chance of it. Washington was a god to many people, he could have taken the crown and most would have supported it.\n\nBut he didn't want too, so ... | [] | [] | [
[]
] | ||
crl58n | how do the tails on animals help them balance, say a running cheetah? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/crl58n/eli5_how_do_the_tails_on_animals_help_them/ | {
"a_id": [
"ex6ask0",
"ex6d89x"
],
"score": [
6,
2
],
"text": [
"You know how you can stick your arms out to help you balance? A tail is like always having one flexible arm sticking out.",
"Cheetahs also use their tails to help them turn quickly while chasing prey. \n_URL_0_"
]
} | [] | [] | [
[],
[
"https://youtu.be/qukcc8wCxJo"
]
] | ||
11vel7 | can someone explain the "fifth world" subreddits? | Lately while exploring Reddit I've come across these "fifth world" subreddits. Such as, r/fifthworldpics , r/fifthworld and r/fifthworldpoetry . These subreddits just contain links with weird titles and strange links. Why? What is the purpose of them? Somebody please explain this strange "fifth world".
Edit: Title. So... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/11vel7/can_someone_explain_the_fifth_world_subreddits/ | {
"a_id": [
"c6py7et",
"c6pz5ev",
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"c6q0z96",
"c7n7fjo"
],
"score": [
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3,
4,
6,
3,
2,
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"text": [
"They are supposedly in the future, however, they just make it up for laughs.\n\nThey just pretend futurism, as Fif... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | |
1ijgod | why do airport runways cost "14-18 billion pounds to build?" | _URL_0_
See the second paragraph. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ijgod/eli5_why_do_airport_runways_cost_1418_billion/ | {
"a_id": [
"cb51qs2"
],
"score": [
6
],
"text": [
"very quick calculations at the rates we use for roads shows about 100 million dollars just to place the material, 3000m x 50m of crushed rock base and concrete surface.\n\nthats the absolute bare minimum.\n\nyou also have costs with excavation, t... | [] | [
"http://www.guardian.co.uk/environment/2013/jul/17/heathrow-airport-third-runway"
] | [
[]
] | |
5jhhiw | how did bowing of the head become a sign of respect? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5jhhiw/eli5_how_did_bowing_of_the_head_become_a_sign_of/ | {
"a_id": [
"dbg7h9m"
],
"score": [
6
],
"text": [
"Bowing is a gesture of trust. When you bow your head, you are exposing one of the most vulnerable points on your body (your neck) and are prostrating yourself into a position where it is difficult to attack someone."
]
} | [] | [] | [
[]
] | ||
25dyla | why are there so few highrise appartment buildings in san francisco, despite the very expensive land? | Housing prices in San Francisco are huge. The higher the prices, the more incentive there is for real estate developers to build high rise buildings. Despite this, housing in San Francisco seems to be largely dominated by buildings of 2 or 3 floors, especially in certain districts (e.g. Mission). Why? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/25dyla/eli5_why_are_there_so_few_highrise_appartment/ | {
"a_id": [
"chg80r5",
"chg81dh",
"chg82xl",
"chgy7c8"
],
"score": [
5,
3,
2,
3
],
"text": [
"Like many California cities, San Francisco tries to restrict the presence of very tall buildings. They don't think random skyscrapers look good.",
"There are significant issues... | [] | [] | [
[],
[
"https://medium.com/p/ccb31944dce1"
],
[],
[]
] | |
49zd9q | what exactly is a super solid? | Now, I know that Super Liquids, in a nutshell, cannot be contained after cooled pasted a certain point, meaning they will drip out of the container holding it, and will on occasion climb the walls of the container as well.
Upon looking for information about Super Solids, it looks like they share the same properties a... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/49zd9q/eli5_what_exactly_is_a_super_solid/ | {
"a_id": [
"d0w6c54",
"d0wdkh8"
],
"score": [
105,
22
],
"text": [
"While physics predicts that supersolids exist - solid helium-4 being one example - the problem is that we actually don't have conclusive proof that supersolids exist. Helium-4 forms crystals at very low temperatures (that... | [] | [] | [
[],
[
"https://www.google.co.uk/url?sa=t&source=web&rct=j&url=https://physics.aps.org/articles/v5/111&ved=0ahUKEwjBx8eLvbnLAhWKPxQKHeNOB-MQFgghMAE&usg=AFQjCNFkOKlbHS4dvIx2M_hHxOXDSWmNKA&sig2=sImvkt8mr05UvUmPdMQ-sQ"
]
] | |
j3xq8 | how does electricity power all our machines/tools? | What exactly is electricity, physically? Is it just a bunch of electrons grouped together?
How does electricity make a light bulb light up, power drills, make engines work, etc? Everything in today's world runs on electricity, but I never really understood how it works--what is it about electricity that makes it able ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/j3xq8/how_does_electricity_power_all_our_machinestools/ | {
"a_id": [
"c28xowg"
],
"score": [
4
],
"text": [
"Everything in the world is made up of tiny particles called atoms. Atom are made of three main types of particles called Protons, Neutrons and Electrons. Electricity is the movement of electrons from one atom to the next. This movement is calle... | [] | [] | [
[]
] | |
9vb6uk | how my phone charger lets me play music though my car | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9vb6uk/eli5_how_my_phone_charger_lets_me_play_music/ | {
"a_id": [
"e9aptsw",
"e9apw5t",
"e9apxe5",
"e9aq07n",
"e9aqf9f"
],
"score": [
3,
3,
2,
3,
3
],
"text": [
"That USB or Lightening cable you plug into your stereo actually has tiny power and headphone cables inside of it. ",
"Your phone is probably an iPhone. Yo... | [] | [] | [
[],
[],
[],
[],
[]
] | |
1o2k27 | nobel prize in physiology and medicine | Hi, I searched the ask science thread, but I didn't get the explanations I found there. What the heck did the 2013 researchers who won the nobel prize in physiology and medicine actually win the prize for? Something about protein and vesticles. I think. And maybe insulin? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1o2k27/eli5_nobel_prize_in_physiology_and_medicine/ | {
"a_id": [
"ccoboik"
],
"score": [
4
],
"text": [
"Inside the eukaryotic cells (human cells are eukaryotic), there are proteins, which are basically small compounds that do all kinds of stuff in the body. The proteins are made inside the cell. Some proteins do their work inside the cell, and ot... | [] | [] | [
[
"http://www.youtube.com/watch?v=WCc57iFPwjk"
]
] | |
1howcd | why do professional athletes have a significantly lower pulse than the average person ? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1howcd/eli5_why_do_professional_athletes_have_a/ | {
"a_id": [
"caweltt",
"caweoyf",
"cawextw",
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],
"score": [
31,
48,
10,
6
],
"text": [
"You have an empty pool and you need to fill it with water. The bigger the bucket you can carry, the less trips you will need to make to fill it up.",
"Because they have incr... | [] | [] | [
[],
[],
[],
[]
] | ||
248dz8 | why is french cuisine considered the "gold standard" or "baseline" of cuisine? | Even in the Western world, German cuisine isn't the standard of gastronomy. Nor Italian. It's all about the "classic, French trained chefs." Why is this? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/248dz8/eli5_why_is_french_cuisine_considered_the_gold/ | {
"a_id": [
"ch4m7ar",
"ch4mqjs"
],
"score": [
6,
2
],
"text": [
"I don't know the total answer, but partly it's because the French Revolution put a lot of personal chefs to the nobility out of work. Some of them went into business for the public in restaurants, and exposed their experienc... | [] | [] | [
[],
[]
] | |
63wo6w | i understant the lawful/neutral/chaotic part of d & d alignments, but i still dont get the good/neutral/evil part. could someone explain that to me? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/63wo6w/eli5_i_understant_the_lawfulneutralchaotic_part/ | {
"a_id": [
"dfxkgqg",
"dfxkk41"
],
"score": [
2,
2
],
"text": [
" > Good characters and creatures protect innocent life. Evil characters and creatures debase or destroy innocent life, whether for fun or profit.\n\n > \"Good\" implies altruism, respect for life, and a concern for the dig... | [] | [] | [
[],
[]
] | ||
638p8j | standby status for airlines | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/638p8j/eli5_standby_status_for_airlines/ | {
"a_id": [
"dfs7y7x"
],
"score": [
4
],
"text": [
"Stand by is when the airline sells more seats than there are actual seats on the plane, since there are often cancellations or changes. So a plane has, say 180 seats, and you bought seats 182 and 183... statistical odds are that 5-6 people who bo... | [] | [] | [
[]
] | |
34skfi | how do companies with infomercials that say that their product does this and that (like sham-wow, oxyclean, proactive, etc.) not get in trouble for false advertising when they don't work, continue to keep advertising even after people realize that they are scams and so on? | Just wondering how companies like Sham-Wow, ProActive, OxyClean, etc. are allowed to advertise that they can do things that they actually cannot with no legal consequence. I feel like we all know that most of these don't work, but yet they are still advertised. Also to add, how can a company claim that their product is... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/34skfi/eli5_how_do_companies_with_infomercials_that_say/ | {
"a_id": [
"cqxp2k1",
"cqxvyo1"
],
"score": [
3,
2
],
"text": [
" > how can a company claim that their product is number 1 or the best in the country\n\nThis is allowed under a legal concept called puffery. It's pretty similar to everyone thinks their mom is the best and that's ok. \n\n... | [] | [] | [
[],
[]
] | |
182v07 | why does it seem like a post has downvotes proportional to its upvotes? | Are there people who just downvote successful posts for the heck of it? Are there just a lot of angry redditors out there? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/182v07/why_does_it_seem_like_a_post_has_downvotes/ | {
"a_id": [
"c8b3n63"
],
"score": [
3
],
"text": [
"It's what reddit calls \"vote fuzzing\" which is made deliberatly.\n\n_URL_0_\n\n > How is a submission's score determined?\n\n > A submission's score is simply the number of upvotes minus the number of downvotes. If five users like the submissio... | [] | [] | [
[
"http://code.reddit.com/wiki/help/faq#Howisasubmissionsscoredetermined"
]
] | |
47amsy | why have some countries developed much richer culinary tradition then others? | When comparing food in several countries in the world it stands out that some countries have a much richer culinary tradition then others. For instance, Japan, Italy, Greece, French, Mexico, etc (don't know much about African food) all have completely different styles of cooking food and what to eat that most of us kno... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/47amsy/eli5_why_have_some_countries_developed_much/ | {
"a_id": [
"d0bkf74",
"d0bls75",
"d0bsyuz"
],
"score": [
6,
2,
5
],
"text": [
"Most of the countries that are joked about having no culinary tradition actually do have such a tradition. \n\nSome, like the US (via immigration), the Netherlands or the UK (through conquest and mercan... | [] | [] | [
[],
[],
[]
] | |
8jw1d9 | why does adding a 141 mobile prefix withhold your number? | I'm not sure if this applies internationally, but here in the UK, putting 141 before a number hides your caller ID. Why does this simple act withhold your mobile number to the receiver, and to what extent does it do this? I understand that withholding a number may be useful for businesses, or for people of importance, ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8jw1d9/eli5_why_does_adding_a_141_mobile_prefix_withhold/ | {
"a_id": [
"dz5ug2i"
],
"score": [
2
],
"text": [
"I work for a VOIP company in the US. Those numbers are entirely arbitrary and could be set to anything at all. In the US, *67 before a number generally hides caller ID, but that is done by the carrier. The carrier could choose to use a different ... | [] | [] | [
[]
] | |
3tw531 | what makes some fires hotter than others? | I remember that blue flames are hotter than red flames (traditionally). I know putting more fuel into a fire makes it burn brighter and hotter. What is happening within the flame to make this case? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3tw531/eli5_what_makes_some_fires_hotter_than_others/ | {
"a_id": [
"cx9uxxh",
"cxb15qj"
],
"score": [
3,
2
],
"text": [
"generally speaking, a hotter fire is burning faster. \nfor example, a lump of coal has a specific amount, while the same mass of hydrogen has more energy. burning releases this energy as light and heat. if you do something t... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Flame#Flame_color",
"https://en.wikipedia.org/wiki/Black-body_radiation",
"https://en.wikipedia.org/wiki/Emission_spectrum"
],
[]
] | |
4ddjur | who decides for someone to receive intellectual property (such as copyrights), and how do these people/companies profit? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4ddjur/eli5_who_decides_for_someone_to_receive/ | {
"a_id": [
"d1pyz3x"
],
"score": [
3
],
"text": [
"You now have a copyright from the moment you create something until 75 years after you die (until disney extends it again).\n\nYou can sell that copyright if you choose to.\n\nOrher intellectual property like patents and trademarks are actively r... | [] | [] | [
[]
] | ||
1t0mvh | how can a virus/worm destroy a cpu? | Yesterday on 60 minutes, they interviewed a guy from the NSA, and he claimed they stopped a major attack on US computers that would have destroyed the computers themselves.
I Googled this and searched on Reddit too, and the consensus seemed to be that unless it was a very specialized computer system (for example, the ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1t0mvh/eli5_how_can_a_virusworm_destroy_a_cpu/ | {
"a_id": [
"ce33z6u",
"ce346fl",
"ce36ntf"
],
"score": [
3,
2,
9
],
"text": [
"I remember reading about a virus back in the day (I think it required a floppy disk to be put into the drive, with the virus, not unlike stuxnet, although it was broader in who it impacted). It worked ... | [] | [] | [
[],
[],
[]
] | |
5gne25 | why is the us president supposed to ignore taiwan? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5gne25/eli5_why_is_the_us_president_supposed_to_ignore/ | {
"a_id": [
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"datpj2f",
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"datqmuu",
"datquef",
"datw7bx",
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"datxrqr",
"datxtnn",
"daty3kq",
"datyhop",
"datzgfi",
"datzp6f",
"datzwk6",
"d... | [] | [] | [
[],
[],
[],
[],
[
"https://en.wikipedia.org/wiki/Sino-Soviet_border_conflict",
"https://en.wikipedia.org/wiki/Chinese_Civil_War",
"https://en.wikipedia.org/wiki/Realpolitik"
],
[],
[],
[
"https://en.wikipedia.org/wiki/Peace_of_Westphalia"
],
[],
[],
[],
[],
[],
[],
[]... | ||
9puuv2 | why wouldn’t herbivores be able to survive on just meat or vice versa? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9puuv2/eli5_why_wouldnt_herbivores_be_able_to_survive_on/ | {
"a_id": [
"e84evfx",
"e84fwbp"
],
"score": [
9,
4
],
"text": [
"Their bodies arent equipped to process meat. Neither their teeth or digestive systems. Just like how you can eat grass all day and not get any nutritional value they will just have meat without absorbing any useful nutrients... | [] | [] | [
[],
[]
] | ||
4vdwuu | how does a room that's closed off (sealed windows and doors, no sunlight getting in) get warm when the weather gets hotter outside? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4vdwuu/eli5_how_does_a_room_thats_closed_off_sealed/ | {
"a_id": [
"d5xk2y7",
"d5xkvu4",
"d5y5oly"
],
"score": [
7,
3,
2
],
"text": [
"Sun will hit the outer walls and the walls will heat up to the temp outside. Outer walls transfer heat to inside walls which heats up the air in the room. ",
"Heat isn't stopped by windows and doors... | [] | [] | [
[],
[],
[]
] | |
36xsfu | why is las vegas so much more known than paradise, where most of the "vegas" attractions actually reside? | I watched CGP Grey's video about Las Vegas/Paradise recently (_URL_0_), and was surprised to learn an unincorporated town adjacent to Vegas called Paradise actually contains most of Vegas's casinos and attractions.
The video does a good job explaining why it happened, but I'm curious to know how Vegas then became bet... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/36xsfu/eli5_why_is_las_vegas_so_much_more_known_than/ | {
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"In the video, you saw that in the 1950s mayor of Las Vegas tried to claim what would be Paradise! later on by the mobbers. Of course, the mobbers and casino owners at the time said \"No.\", regardless o... | [] | [
"https://www.youtube.com/watch?v=naDCCW5TSpU"
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[],
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] | |
1uqs3d | why should i not pull out my grey hairs? | Everyone always says to not pull out the grey hairs or twice as many will grow back? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1uqs3d/eli5_why_should_i_not_pull_out_my_grey_hairs/ | {
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"cekqzh2",
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"score": [
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"text": [
"Never heard that one. My answer is: It would hurt.\n",
"Pretty sure that's just a myth.",
"Because some of us have no hairs, so you should be greyteful "
]
} | [] | [] | [
[],
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1hurqm | why do bus wheels look like this? (picture inside) | Why do bus wheels look like [this](_URL_0_)?
Thanks /u/Rikkety, turns out i forgot the http://
_URL_1_
Why don't they have the same wheel for both sides or the one with the thing sticking out in the front instead of the back? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1hurqm/eli5why_do_bus_wheels_look_like_this_picture/ | {
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"cay4l5t",
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"text": [
"Link for the lazy:\n\n[_URL_0_](_URL_0_)\n\n(You forgot the \"http://\" part) ",
"One set is power/drive, the other for turning.",
"The one on the right is a steering wheel. It needs some empty... | [] | [
"http://i.imgur.com/q4U5K9R.jpg",
"i.imgur.com/q4U5K9R.jpg"
] | [
[
"http://imgur.com/q4U5K9R.jpg"
],
[],
[
"http://i.imgur.com/v1pixaN.jpg"
]
] | |
3qsw8u | "this connection is limited". what does this mean, in context of wi-fi? and, how to turn "limited" into "connected"? | ^ | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3qsw8u/eli5_this_connection_is_limited_what_does_this/ | {
"a_id": [
"cwi2b95"
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"score": [
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"text": [
"It means you are connected to your router, so you can do things like file share to other computers on that network, but your router isn't connected to the Internet."
]
} | [] | [] | [
[]
] | |
182dh0 | why haven't we 'cured' obesity yet? what's holding us back? | The title pretty much says it all. With all the wonders in medicine, it feels like we should have come up with a solution by now.
(Some might think this question is suitable somewhere else, but I feel like having it explained to me like I'm five) | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/182dh0/eli5_why_havent_we_cured_obesity_yet_whats/ | {
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"score": [
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"text": [
"The biggest cause of obesity is people's behaviour - their choices in what they eat and wh... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
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"http://www.sott.net/article/242516-Heart-Surgeon-Speaks-Out-On-What-Really-Causes-Heart-Disease",
"http://www.amazon.com/Why-We-Get-Fat-About/dp/0307474259/ref=sr_1_1?ie=UTF8&qid=1360259344&sr=8-1&keywords=why+we%27re+fat"
]
] | |
3cto1t | how can we see supermassive black holes if black holes take away light? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3cto1t/eli5_how_can_we_see_supermassive_black_holes_if/ | {
"a_id": [
"csytvp0",
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"score": [
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"text": [
"You can't see the black hole. What you see is the disk of material orbiting the black hole, which is being heated up substantially as it falls inwards towards the surface of the black hole's event horizon. This heat causes t... | [] | [] | [
[],
[]
] | ||
37lwjx | what is the deal with those b class movies which copy big budget films? | For example, I just saw a trailer for a movie starring Dwayne Johnson called SAN ANDREAS, and now a few days later I see a very simillar film coming out in the same time - called SAN ANDREAS QUAKE, which has almost identical story and plot. I was wondering, who makes those copies, why do they make them, and who watches... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/37lwjx/eli5_what_is_the_deal_with_those_b_class_movies/ | {
"a_id": [
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"score": [
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"text": [
"Money. Tricking people into seeing your movie instead of the actual release who stumble on it at a Redbox or other rental or see it in a store. \"Oh, my kid wanted to see that new Frozen movie, this mus... | [] | [] | [
[
"http://www.smosh.com/smosh-pit/articles/6-animated-movies-blatantly-rip-better-films"
],
[],
[]
] | |
5umqot | why does a phone call glitches (affects) a non-wireless audio system? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5umqot/eli5_why_does_a_phone_call_glitches_affects_a/ | {
"a_id": [
"ddv83fn"
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"score": [
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"text": [
"When the cell phone communicates with the base station, it shares the same frequency with a lot of other devices. The way that works is that each device is allocated time slots during which it communicates with the base station, so it sends data ... | [] | [] | [
[
"https://www.geek.com/geek-pick/what-causes-gsm-buzz-1538169/",
"https://en.wikipedia.org/wiki/Ferrite_bead"
]
] | ||
33eek5 | what are movie clapper boards (movie markers) used for and how do they work? | Almost everyone has seen these things, but why are they used and how do they work?
Image link : _URL_0_ | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/33eek5/eli5what_are_movie_clapper_boards_movie_markers/ | {
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"text": [
"They're used for synchronizing video and audio across multiple cameras, and for tracking shots taken.\n\nWhen the clapper board comes down, it simultaneously stops moving and produces a loud sound. A ... | [] | [
"http://imgur.com/W5ldYZD"
] | [
[],
[],
[]
] | |
2a6oni | why is it bad to 'ride the clutch' on a manual car? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2a6oni/eli5_why_is_it_bad_to_ride_the_clutch_on_a_manual/ | {
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"text": [
"Wears it out quicker. A clutch has to be replaced every so often kinda like brakes. So the less you use it the longer it lasts. ",
"Because the clutch consists of a pair of f... | [] | [] | [
[],
[],
[],
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6uq6mg | why do kinked hoses not eventually crack/explode from pressure build up? | How does the plumbing design effectively sense the kink and stop sending water up the line? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6uq6mg/eli5_why_do_kinked_hoses_not_eventually/ | {
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"text": [
"The pressure doesn't keep building up. The amount of pressure at the inlet is all there is. If this weren't true -- if pressure kept increasing -- every closed faucet in every building would explode.",
... | [] | [] | [
[],
[],
[]
] | |
1v6t4u | why is the chinese written language so vastly complex? | Who decided it should be this way? Why? Is it merely a mixture of different dialects or is it one large, uniform language? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1v6t4u/eli5_why_is_the_chinese_written_language_so/ | {
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"Like any language, I'm sure it simply evolved to the way it is now. I highly doubt that a specific \"someone\" sat around with his or her buddies and said, \"We must make our language complex, so as to ... | [] | [] | [
[],
[],
[]
] | |
25nhci | how can a recipe not be copyrightable, but a set of instructions to build something can be? | I've read in a lot of places that recipes (instructions for how to cook something) can't be copyrighted. I see this as something that makes sense.
However, I'm looking at purchasing a set of woodworking plans, and the copyright notice says that not only are their plans (instructions for building something out of wood... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/25nhci/eli5_how_can_a_recipe_not_be_copyrightable_but_a/ | {
"a_id": [
"chiwfsd"
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"text": [
"What you're getting at is the distinction between \"idea\" and \"expression\" in the copyright statute. *Ideas* are not copyrightable. Which makes sense, because we really don't want people to be able to copyright entire categories of thought. Bu... | [] | [] | [
[
"http://www.copyright.gov/fls/fl122.html",
"http://www.forbes.com/sites/oliverherzfeld/2014/03/07/protecting-food-creations/"
]
] | |
1nn0m8 | how do professional teams during the draft sometimes bypass elite players or pick up junk ones? | Is it because they are human and make mistakes or is it because the player was truly good or bad when drafted then turned out to be the opposite?
for example
Tom Brady was one of the last players picked but he is one of the best players today and even a future Hall of Famer
Ryan Leaf was considered to be as good as ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1nn0m8/eli5_how_do_professional_teams_during_the_draft/ | {
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"text": [
"It's because in college Tom Brady wasn't necessarily the best player out there. The teams have no way of predicting how good a player's going to be, so often times a \"junk player\" turns out to be an all star. And vice-vers... | [] | [] | [
[],
[]
] | |
9nknxa | who is jamal khashoggi and why is he *supposedly* tortured and killed ? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9nknxa/eli5_who_is_jamal_khashoggi_and_why_is_he/ | {
"a_id": [
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"score": [
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"text": [
"A respected reporter for the Washington Post and US permanent resident. He exposed corruption in Saudi Arabia, making the Saudi crown prince angry. Saudi Crown Prince has demonstrated a trend to crack ... | [] | [] | [
[],
[
"https://www.washingtonpost.com/news/global-opinions/wp/2018/10/06/read-jamal-khashoggis-columns-for-the-washington-post/?utm_term=.770ebdb00a0e"
],
[]
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3433ik | why didn't we learn about the vietnam war in history class? | I was born in 1980.
I *never* learned one single thing about the Vietnam War in history class, either in grade school or high school. We learned about the prior wars, but not that one. Our textbooks were current - I was a nerd so I know the texts were copyrighted within just a few years of the time we used them. They ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3433ik/eli5_why_didnt_we_learn_about_the_vietnam_war_in/ | {
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"text": [
"You had shitty history classes, and teachers who picked bad books. The textbooks that I had in high school were all printed in the early 1990s (when you shoul... | [] | [] | [
[],
[],
[],
[],
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] | |
2rd07y | why is there a mayor for the district of columbia? why wouldn't the president/vice president just be the mayor? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2rd07y/eli5why_is_there_a_mayor_for_the_district_of/ | {
"a_id": [
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"score": [
2,
5,
2
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"text": [
"Congress has passed bills allowing for limited, but growing over time, home rule for DC. Part of that was a council and mayor. ",
"The president and VP have a whole country to run. Making them part... | [] | [] | [
[],
[],
[]
] | ||
15m1lk | what is the purpose behind the common "crescent" shaped ice cube? | Is it more effective in any way or is it no different from the traditional "cubes" from trays? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/15m1lk/eli5_what_is_the_purpose_behind_the_common/ | {
"a_id": [
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"text": [
"Crescent-shaped ice cubes are easy for a machine to remove from the tray. After they're done freezing, a mechanical arm swings in a circle and pushes them out of the tray. Cube-shaped trays are a bit harder to automatically remove the ice from t... | [] | [] | [
[]
] | |
6i3lxy | after an indoor fire occurs, how is the point or origin determined? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6i3lxy/eli5_after_an_indoor_fire_occurs_how_is_the_point/ | {
"a_id": [
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"score": [
4
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"text": [
"So in a fire, something called pyrolisis happens. Pyrolisis is the scientific word for things turning to char, the chemical reaction that takes place when you burn something. When a fire starts, there is not much heat and the fire spreads slowly,... | [] | [] | [
[]
] | ||
b2yz0c | why does staring at pink paper turn our vision green after a while? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b2yz0c/eli5_why_does_staring_at_pink_paper_turn_our/ | {
"a_id": [
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"score": [
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"text": [
"You have light and color sensitive cells in the back of your eyes. One of the side effects of staring at something a long time, is your eyes try to neutralize the stimuli. Move your eyes though and you see an after image.\n\nGreen and Magenta are... | [] | [] | [
[]
] | ||
5qi51u | teeth grinding at night and how it can be so loud. also how can our jaws clench that hard unconsciously but not awake? | One night in college I heard my buddy grinding his teeth after he passed out. It was one of the strangest noises I have ever heard! Made me think of two massive blocks of concrete sliding together. How can our jaws make this much pressure when we are asleep. I can't clench anywhere near that hard when I try. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5qi51u/eli5_teeth_grinding_at_night_and_how_it_can_be_so/ | {
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8,
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7,
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2,
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"text": [
"Masseter(the jaw muscle responsible for clenching) is the strongest muscle in the body. The enamel on the teeth is the hardest substanc... | [] | [] | [
[],
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[],
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] | |
453cat | what is it about tv shows made in the uk that appear diffrent then those made in the us | I was watching You Me and the Apocalypse the other day and thought this show has something about it that seems like it's British made and it was ,but I can't put my finger on what it is that seems diffrent. So is it camera quality , sound , tracking. It's really bugging me I can't figure it out or am I the only one | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/453cat/eli5_what_is_it_about_tv_shows_made_in_the_uk/ | {
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"c... | [] | [] | [
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"http://content.internetvideoarchive.com/content/photos/9440/967702_002.jpg",
"http://www.animaatjes.nl/films-en-series/series/hinterland/animaatjes-hinterland-195448.jpg"
],
[
"https://en.wikipedia.org/wiki/NTSC",
"https://en.w... | |
qe311 | when i take a picture of a tv screen with some cameras, why does the picture turn out with lines and distortion instead of a clear picture of what was playing? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/qe311/eli5_when_i_take_a_picture_of_a_tv_screen_with/ | {
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"_URL_0_\n\nthe grid of the camera sensor and the grid of the tv are not aligned. ",
"Because the TV is painting the image on the screen one line at a time. The entire screen is refreshed 60 times pe... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Moir%C3%A9_pattern"
],
[],
[
"http://www.pcworld.com/article/124191/digital_focus_take_pictures_of_images_on_your_tv.html"
]
] | ||
3ox1s5 | what's going on with "the drone papers" - this new "new edward snowden" leak. | _URL_0_ | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3ox1s5/eli5_whats_going_on_with_the_drone_papers_this/ | {
"a_id": [
"cw18f83",
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"score": [
4,
2
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"text": [
"A 'new Edward Snowden', (not Snowden himself, but simply another leaker from inside the intelligence community) has come forward with documents outlining many aspects of the U.S. drone program.\n\nIn particular it highlights... | [] | [
"https://theintercept.com/drone-papers/"
] | [
[],
[]
] | |
cqv9j3 | how exactly did privatization of student loan debt in the us affect tuition rates? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cqv9j3/eli5_how_exactly_did_privatization_of_student/ | {
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"text": [
"Colleges sell a product that isn't cheap. A 4 year degree requires professors, classrooms, equipment, etc... It very likely costs them no less than $5-10k/year per student. \n\nSome of that may be subsidized, but that's a... | [] | [] | [
[],
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] | ||
21ehn1 | what is the benefit, if any, of clothes that are dry clean only? | It seems silly to me that high-quality suits cannot be produced that can be cleaned with water. What is it about the fabric that makes it so the clothes cannot be cleaned in water? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/21ehn1/eli5_what_is_the_benefit_if_any_of_clothes_that/ | {
"a_id": [
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"text": [
"Most of the suits require dry clean strictly because they commonly contain fibers that are weak against contacts with water, like wool will swell being in water, fabric properties can be distorted after washing. Also, in high fashion segments, yo... | [] | [] | [
[]
] | |
no333 | why does godaddy support the sopa if it just means the domains they have registered will be taken down (the exact thing we are doing on our own)? | Or do I not understand this correctly? Please enlighten me. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/no333/eli5_why_does_godaddy_support_the_sopa_if_it_just/ | {
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... | [] | [] | [
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333nkd | what is the difference between pleading "guilty", "not guilty", and "no contest" in court? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/333nkd/eli5_what_is_the_difference_between_pleading/ | {
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"text": [
"Guilty: I did it.\n\nNot guilty: I'm not saying I did or didn't do it, but you'll have to prove it.\n\nNo contest: I'm not saying I did it, but I'm not arguing with the charges.",
"IANAL (I am n... | [] | [] | [
[],
[],
[]
] | ||
7qte7t | why isn't national debt treated like a national emergency? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7qte7t/eli5_why_isnt_national_debt_treated_like_a/ | {
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"text": [
"If the debt is so large that a particular government can no longer afford its obligated payments on that debt, then they likely face a significant problem. It... | [] | [] | [
[],
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[],
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1p9db2 | how phones are 'wire-tapped' in a wireless era | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1p9db2/eli5_how_phones_are_wiretapped_in_a_wireless_era/ | {
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"text": [
"They (hopefully, with a judicially-approved warrant in hand) can connect a recording device to your cell phone company's equipment. Or ask your cell phone co... | [] | [] | [
[],
[],
[],
[],
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] | ||
3wnsxa | why does the sun appear red/orange in close ups, but from earth it looks white/yellow | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3wnsxa/eli5_why_does_the_sun_appear_redorange_in_close/ | {
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2
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"text": [
"The atmosphere of your Earth scatters blue light during most hours, changing the appearence of the sun. In close-ups it appears red/orange, most likely, due to artificial coloring by NASA or w/e agency took the picture. It r... | [] | [] | [
[],
[]
] | ||
31pblb | what do smelling salts actually do? | I always see people use them in sports and they seem to wake up or get a rush, but do they actually do anything more indepth? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/31pblb/eli5what_do_smelling_salts_actually_do/ | {
"a_id": [
"cq3ox8l",
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5,
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"text": [
"The ammonia in them forces the person to involuntarily breathe in, which causes blood flow to increase and brain activity to spike. This can quickly reverse... | [] | [] | [
[],
[],
[],
[],
[]
] | |
2see5x | why don't the men in the isis videos, who know they are about to be executed, fight back? | In many of the videos they outnumber their armed executors so why do they accept their fate? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2see5x/eli5_why_dont_the_men_in_the_isis_videos_who_know/ | {
"a_id": [
"cnonflz",
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"score": [
7,
82,
2,
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5,
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"text": [
"\"armed executors\"\n\nI imagine that is a la... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | |
9jp87z | if you had a loop with a steep slope down, and a gentle incline back up, which direction would take more calories to walk? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9jp87z/eli5_if_you_had_a_loop_with_a_steep_slope_down/ | {
"a_id": [
"e6t66c1"
],
"score": [
3
],
"text": [
"Theoretically both would be the same. Think of it like stairs. You can take a 40 foot long ramp to ascend 20 feet, a 10 foot long set of stairs, or climb 20 feet straight up. All require the same amount of work. The climb straight up requires a l... | [] | [] | [
[]
] | ||
bnmdm4 | why do investors keep pouring money into companies that have never turned a profit like uber? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bnmdm4/eli5_why_do_investors_keep_pouring_money_into/ | {
"a_id": [
"en706j8",
"en70ldl",
"en72gfa"
],
"score": [
3,
5,
2
],
"text": [
"like any investment, they expect profit in the future.\n\nThey could easily invest once profit shows up, but with profit the value of the company would be much higher.",
"Because a 50k investment in... | [] | [] | [
[],
[],
[]
] | ||
1y5jgf | what is a stabilised gif? | It seems to be mentioned a lot on here recently and I have no clue!! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1y5jgf/eli5_what_is_a_stabilised_gif/ | {
"a_id": [
"cfhix39"
],
"score": [
7
],
"text": [
"Imagine filming a dot in the middle of a white screen with a video camera. \nEvery little shake and movement of the camera makes the whole frame move around, resulting in jiggly footage of the dot. \nWhen you stabilise it using whatever clever ... | [] | [] | [
[]
] | |
2s3ncf | short of shutting down entire city blocks, how do they film street/public setting movie scenes without getting the crowds of gawking people in the shot? | I was actually looking at behind the scenes photos for a scene in suits, and there are always massive crowds gathered all around the actors, how do they make the streets seem so 'normal?' | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2s3ncf/eli5_short_of_shutting_down_entire_city_blocks/ | {
"a_id": [
"cnlvr1a",
"cnly814"
],
"score": [
5,
3
],
"text": [
"I know the question states \"short of shutting down entire city blocks\" but I think the best answer is they shut down entire city blocks.",
"In addition to what a lot of people on here have already said, a lot of it is... | [] | [] | [
[],
[]
] | |
1jpz54 | why can't shows run year round rather than by season? for example, archer, simpsons, breaking bad, or parks & rec. | Right now I am stuck between Mad Men and GoT ending and waiting for Breaking Bad to start back up. Meanwhile Parks and Rec, Archer, Homeland and just about everything else won't be back for MONTHS.
Why can't I get a good show year round? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1jpz54/eli5_why_cant_shows_run_year_round_rather_than_by/ | {
"a_id": [
"cbh4wk4",
"cbh4y6a",
"cbh5aw1"
],
"score": [
6,
4,
2
],
"text": [
"producing 52 episodes isnt easy.\n\nnor do creators want to create continuous year round stories, that never seem to terminate.",
"People like to take some time off. That sort of production schedul... | [] | [] | [
[],
[],
[]
] | |
dz0kfo | what causes vocal nodules? | I heard it happens if you don't sing properly? Heard someone who went to surgery and remove it, and I don't really know why that person had it in the first place. After the surgery he didn't talk for days. I'm suddenly curious and want to learn more about it. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dz0kfo/eli5_what_causes_vocal_nodules/ | {
"a_id": [
"f854a6b"
],
"score": [
5
],
"text": [
"Singing and talking is caused by air that passes between our vocal chords, like a super refined version of a balloon letting out air. Because the air causes our chords to vibrate against each other, every time we talk or sing our chords are basic... | [] | [] | [
[]
] | |
fm8o1k | why do sign language interpreters on tv have someone across from them signing to them? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fm8o1k/eli5_why_do_sign_language_interpreters_on_tv_have/ | {
"a_id": [
"fl2xajj"
],
"score": [
6
],
"text": [
"Are you in Ohio, perchance?\n\nOhio is using a [Certified Deaf Interpreter](_URL_0_), a deaf person who provides an *interpretation* of the message in a way that's optimized for the Deaf population to understand. \n\n\nThe CDI version isn't just ... | [] | [] | [
[
"https://asnwonline.com/use-of-a-certified-deaf-interpreter/"
]
] | ||
1hv1jh | what causes power outages, blackouts? | not your run of the mill ones that are caused by poles coming down or lightning strikes, but like when it's too damn hot out. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1hv1jh/eli5what_causes_power_outages_blackouts/ | {
"a_id": [
"cay70dn",
"cayc85g"
],
"score": [
2,
2
],
"text": [
"Overuse of power. If it is really hot then everyone turns on their air conditioners, which require quite a bit of power to run their compressors. This puts load on the power plant's generators and if they are not able to sup... | [] | [] | [
[],
[]
] | |
68t4yp | why are there no b# (cb) or e# (fb) notes? | All other major note pairings have a sharp/flat between them, except B/C and E/F. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/68t4yp/eli5_why_are_there_no_b_cb_or_e_fb_notes/ | {
"a_id": [
"dh11gxo",
"dh11shs",
"dh11tdw"
],
"score": [
3,
3,
6
],
"text": [
"So a 'step' or 'tone' between two notes corresponds to multiplying or dividing the frequency by a certain amount. The C major scale goes C - step - D - step - E - half step - F - step - G - step - A - s... | [] | [] | [
[
"https://upload.wikimedia.org/wikipedia/commons/5/59/C_major_scale.ogg",
"https://upload.wikimedia.org/wikipedia/commons/8/84/Whole_tone_scale_on_C.ogg"
],
[],
[]
] | |
2do610 | how do tec/peltier coolers work? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2do610/eli5_how_do_tecpeltier_coolers_work/ | {
"a_id": [
"cjref9u"
],
"score": [
2
],
"text": [
"they work via the seebeck effect. when an electrical current is passed thru semiconductor in a specific configuration, thermal energy is pulled from one side to the other. so one side of the cooler gets cool, the other side gets super hot.... | [] | [] | [
[]
] | ||
bzqip0 | what has caused the potential future decrease in social security millennials are likely to receive? can it be built back up to reflect current day payout? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bzqip0/eli5_what_has_caused_the_potential_future/ | {
"a_id": [
"eqvaqgr",
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"eqvcmhq",
"eqvd2l3",
"eqvfzei"
],
"score": [
6,
5,
6,
2,
2
],
"text": [
"The main factor is that due to advances in medical care, people are living longer than originally planned for. \n\nAnother issue with it is that a good portio... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
5w60jg | the use of words meaning mother/father are present throughout pretty much all languages. is there any indication of when, and in what language we began referring to parents using these titles rather than individual names? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5w60jg/eli5_the_use_of_words_meaning_motherfather_are/ | {
"a_id": [
"de7mdlu",
"de7n6bi",
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"de844wm",
"de896it"
],
"score": [
1159,
62,
61,
54,
165,
47,
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],
"text": [
"I did a little research, and I suspect this question is backwards.\n\nThe history o... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[
"http://www.mothersdaycelebration.com/mother-in-different-languages.html"
]
] | ||
589voi | if nitroglycerine is so wildly explosive and unstable, why doesn't my dad get blown up every time he uses his nitroglycerine heart medication? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/589voi/eli5_if_nitroglycerine_is_so_wildly_explosive_and/ | {
"a_id": [
"d8ynmdx"
],
"score": [
11
],
"text": [
"The amount of nitroglycerine in his pills is very small.\n\nAdditionally, nitroglycerine is stabilized by mixing it with various powdered solids. This is the basis of Alfred Nobel's invention of dynamite.\n\nAs an interesting note: I worked for ... | [] | [] | [
[]
] | ||
dyqeoe | why do especially american people think physical punishments are a legit way to use against their children? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dyqeoe/eli5_why_do_especially_american_people_think/ | {
"a_id": [
"f82qekd",
"f82rn71"
],
"score": [
2,
2
],
"text": [
"imagine trying to water down all the psychological reasons why a group of totally different people from different upbringings, areas, times, cultures, iq’s, habits, experiences and motives do something.\n\nand then asking it... | [] | [] | [
[],
[]
] | ||
4ct8g8 | why do people tend to feel cold when they are depressed? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4ct8g8/eli5_why_do_people_tend_to_feel_cold_when_they/ | {
"a_id": [
"d1lbx2l",
"d1lc33e",
"d1lchp9"
],
"score": [
14,
2,
12
],
"text": [
"I've never heard this. Do you have any source that this is even a thing?\n\nMy guess is that malnourishment and/or inactivity causes poor circulation and general lethargy, which might feel like depres... | [] | [] | [
[],
[],
[]
] | ||
1ax5sx | how is a government budget not like a household budget? | I've seen people using the comparison of a household budget to the government's budget when discussing deficit spending and debt. Then I see others retort "Household budget != Government Budget". I need someone to explain this so called fallacy. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ax5sx/eli5_how_is_a_government_budget_not_like_a/ | {
"a_id": [
"c91kr2y",
"c91kz2q"
],
"score": [
3,
5
],
"text": [
"The government is obligated to provided certain services. A household can cancel cable, sell a car, not go on vacation, even move into a smaller place. Governments can't just up and not do schools and roads and police anym... | [] | [] | [
[],
[]
] | |
82acbs | protein structure (and it's graphical representation) | To quickly give an example, an uninvolved person sees an image like this: _URL_1_
and asks "what the f**k am I looking at?".
I see there are a few articles regarding that on wikipedia that could help me understand eventually:
_URL_2_
_URL_3_
_URL_0_
but that's a lot of knowledge to digest, and I wonder if there's ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/82acbs/eli5_protein_structure_and_its_graphical/ | {
"a_id": [
"dv8m0rz",
"dv8m5ok",
"dv8r10u"
],
"score": [
7,
6,
2
],
"text": [
"A protein is a chain of amino acids. There are 20 standard amino acids. \n\nAmino acids have certain properties, mostly driven by what is called the side chain. The side chain can be hydrophilic (water-... | [] | [
"https://en.wikipedia.org/wiki/Protein_folding",
"https://upload.wikimedia.org/wikipedia/commons/1/13/NAChR.png",
"https://en.wikipedia.org/wiki/Protein_primary_structure",
"https://en.wikipedia.org/wiki/Protein_structure_prediction"
] | [
[],
[
"http://rcsb.org/"
],
[]
] | |
bd1am9 | how is something considered 'modern'? | Like what is happening in my mind that distinguish 'outdated' and 'modern'? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bd1am9/eli5_how_is_something_considered_modern/ | {
"a_id": [
"ekve16g"
],
"score": [
2
],
"text": [
"Something modern (lowercase m) is something that is used or in fashion now, whereas something outdated is obsolete or out of fashion. Dial-up internet is outdated because it's inferior to what we have now. If you mean when it comes to things like... | [] | [] | [
[]
] | |
8n7ez3 | why do analysts fret about a 'developed' country's gdp growth every year? why does, say a country like germany, have to keep growing every quarter? i'd imagine it's ok to plateau once you reach a certain level of prosperity, and in most developed countries the population is always plateauing. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8n7ez3/eli5_why_do_analysts_fret_about_a_developed/ | {
"a_id": [
"dztca1s"
],
"score": [
3
],
"text": [
"Well, GDP is a measure of a country's continued economic prosperity. If you plateau as you put it, you're not growing. That'd be fine if it weren't for the fact that costs basically always increase. Since GDP is linked to national tax revenue, GD... | [] | [] | [
[]
] | ||
4gkqu2 | how does the national missile defense (nmd) missile shield work? | I just heard about that Obama want to work together with South Korea to make a Missile Shield. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4gkqu2/eli5how_does_the_national_missile_defense_nmd/ | {
"a_id": [
"d2iew2d",
"d2ig2qe",
"d2j1vhk"
],
"score": [
5,
4,
2
],
"text": [
"Nice try, Kim Jong!\n\nSeriously though - [Here is a report from the Congressional Research Service that gives the fundamentals.](_URL_0_)Its a bit dated, but you get the point. ",
"The US has a net... | [] | [] | [
[
"http://fas.org/spp/starwars/crs/RS20052.pdf"
],
[],
[]
] | |
7kfkgn | how do polaroid pictures work? | How do the pictures just slowly come in there etc? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7kfkgn/eli5how_do_polaroid_pictures_work/ | {
"a_id": [
"drdw8i7",
"drdwzby",
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"dre5a6u",
"dre68vs",
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"dregvi1",
"drep48r"
],
"score": [
7385,
279,
414,
26,
19,
7,
72,
3
],
"text": [
"Freakin' magic, that's how!\n\nIn a nutshell, a polaroid is a little envelope that... | [] | [] | [
[],
[],
[],
[
"https://en.wikipedia.org/wiki/Instant_film",
"https://petapixel.com/2011/05/18/how-polaroid-instant-film-works/"
],
[],
[],
[],
[]
] | |
8rrnw4 | how do atoms, which very small in size compared to wavelength of visible light, emit visible photons? | Atoms are about 0.2 nanometer in size whereas visible spectrum of electromagnetic radiation i.e. light is in the range of 400 nm to 700 nm. My question is: How exactly a big photon comes out of very small atom? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8rrnw4/eli5_how_do_atoms_which_very_small_in_size/ | {
"a_id": [
"e0tmr0c"
],
"score": [
12
],
"text": [
"Eli5 version. You can drop a pebble in a lake that makes waves which are a few feet long even though the pebble was very tiny the same way an atom can emit a photon with a longer wavelength in space.\n\nEli20 The wavelength refers to the length ... | [] | [] | [
[]
] | |
n1u4i | what is dropbox and how to use it? | My friends want me to get on dropbox, and the explanation I got from them made it sound annoying and dangerous. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/n1u4i/eli5_what_is_dropbox_and_how_to_use_it/ | {
"a_id": [
"c35lrnp",
"c35m3fx",
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"c35lrnp",
"c35m3fx",
"c35m5ig"
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"score": [
3,
2,
2,
3,
2,
2
],
"text": [
"It's nice for when you want to share files with other people or yourself (on a different computer). Often I want to be able to work on a... | [] | [] | [
[],
[],
[
"http://dereknewton.com/2011/04/dropbox-authentication-static-host-ids/",
"http://www.crn.com/news/cloud/231902380/analysis-dropbox-carries-risks-for-smbs.htm;jsessionid=CtLRNc8w+HsSIUqcA7ZL7w**.ecappj02"
],
[],
[],
[
"http://dereknewton.com/2011/04/dropbox-authentication-static-ho... | |
4h2m7p | when it is announced that there are only a finite number of animals left until extinction (of that species), how are we sure? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4h2m7p/eli5_when_it_is_announced_that_there_are_only_a/ | {
"a_id": [
"d2mv7bs",
"d2mvbbx",
"d2mwp7f",
"d2mwvxc",
"d2my2ee"
],
"score": [
7,
3,
4,
3,
3
],
"text": [
"we are not, its a guess, we know about where the animal exists and we know about how frequently its spotted so some math later we can give a good idea of how ... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
a5vm9a | there have been a lot of train crashes recently reported, and i'm wondering how do train systems even work in the first place? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a5vm9a/eli5_there_have_been_a_lot_of_train_crashes/ | {
"a_id": [
"ebu98tk"
],
"score": [
2
],
"text": [
"It'd depend on the system. The only system I'm familar with is the NYC subway, which divides stretches of track into sections, can tell when a train moves into a section, and uses signal lights to prevent trains from entering sections too close t... | [] | [] | [
[]
] | ||
9mhv6d | how did bansky's painting self destruct at its auction? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9mhv6d/eli5how_did_banskys_painting_self_destruct_at_its/ | {
"a_id": [
"e7ep9y2",
"e7eplz4"
],
"score": [
3,
3
],
"text": [
"He build a shredder into the frame that had a remote control. He then watched for if it ever came up in auction and when he saw that it was he (or someone he sent with the control) went and waited for it to be sold and upon ... | [] | [] | [
[],
[]
] | ||
23iim1 | can anyone give me an eli5 breakdown of the "particle zoo"? what are quarks, gluons, mesons, etc.? | I already know about electrons, protons, neutrons, and positrons. Can anyone explain what all the rest of them are? What do they do, and what do all the properties (such as spin) mean?
Edit: Thanks for all the great responses! I think I have a much better understanding of all this now. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/23iim1/eli5_can_anyone_give_me_an_eli5_breakdown_of_the/ | {
"a_id": [
"cgxcpc9",
"cgxcx1u"
],
"score": [
92,
4
],
"text": [
"Particle Physics at ELI5 level...here goes!\n\nProtons and neutrons are made from smaller particles called quarks.\n\nQuarks come in 6 different types - Up, Down, Strange, Charmed, Top and Bottom. The most \"common\" types... | [] | [] | [
[],
[]
] | |
30ogc2 | why do i see some mountains in the background in a bluish layer? | I saw that the last month and wondered why I see some of them in a bluish layer and some not. Also I don't see the houses on the mountains in another layer. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/30ogc2/eli5_why_do_i_see_some_mountains_in_the/ | {
"a_id": [
"cpub9ds"
],
"score": [
2
],
"text": [
"Its called atmospheric perspective - things in the distance tend to look bluer (at least in daylight. Night does funky things to color). It has to do with how molecules in the air scatter light. So, the hazier the day, the more noticeable the e... | [] | [] | [
[]
] | |
3z0wtx | why did it take up until now (this year), for something like obergefell v. hodges (national gay marriage) to happen? why didn't a gay couple try this years ago or throughout history? | I understand *how* the supreme court works and how the judgement ultimately happened, but I'm curious as to why this wasn't "tried" per se, in the past? Granted it might not have been overturned, but it seems this could have at least been "tried" in the past to get it to the supreme court for a decision to be made?
I ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3z0wtx/eli5_why_did_it_take_up_until_now_this_year_for/ | {
"a_id": [
"cyibx4m",
"cyibx4u"
],
"score": [
5,
3
],
"text": [
"It has been tried before, but they didn't win their cases. It took until now for the opinions of the supreme court to change. \n\nHere is a case from 1970: _URL_1_\n\nAnd from 1986:\n_URL_0_",
" > it seems this could ha... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Bowers_v._Hardwick",
"https://en.wikipedia.org/wiki/Baker_v._Nelson"
],
[]
] | |
1jtow7 | what is going on with obamacare today on the news? | Fox news said today that you may no longer be able to keep your own doctor under Obamacare, something Obama said would not happen when he first talked about the bill. Granted, fox news isn't the most unbiased source, but can someone explain what this means? A quick summary of what Obamacare would be helpful too. Thank... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1jtow7/what_is_going_on_with_obamacare_today_on_the_news/ | {
"a_id": [
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"cbi70b6",
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12,
2,
6,
4
],
"text": [
"Today you can start creating personal \"Obamacare\" accounts on _URL_0_. Can't really do anything yet because it doesn't go into action until October 1st but... | [] | [] | [
[
"healthcare.gov"
],
[],
[],
[],
[
"http://www.reddit.com/r/explainlikeimfive/comments/vb8vs/eli5_what_exactly_is_obamacare_and_what_did_it/c530lfx"
]
] | |
48mzhi | if matter can't be created or destroyed, how does matter currently exist? isn't the existence of matter already breaking that law? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/48mzhi/eli5_if_matter_cant_be_created_or_destroyed_how/ | {
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"d... | [] | [] | [
[],
[],
[],
[],
[],
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[
"https://www.youtube.com/watch?v=-EilZ4VY5Vs&t=2m13s"
],
[
"http://bigthink.com/dr-kakus-universe/can-a-universe-create-itself-out-of-nothing"
],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[
"http://www.radiolab.org/story/122617-nothings... | ||
dqsz9g | why do movies/tv use the same canned sound effects (think wilhem scream) when they can just record the sound on set or even use a different sound effect? | Is there a reason that you hear the same sound effects recycled in so many movies? There must be hundreds of “crowd screaming” sound effects but they always use that same one. Is that sound effect just that good? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dqsz9g/eli5_why_do_moviestv_use_the_same_canned_sound/ | {
"a_id": [
"f69dtwu",
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"score": [
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"text": [
"It's often cheaper to just reuse a sound effect than make a new one. Couple that with sound artists are people too, they'll go with what they know and like out of that studio library. And they know they... | [] | [] | [
[],
[],
[
"https://en.wikipedia.org/wiki/Foley_(filmmaking)"
]
] | |
4elw73 | online bank card readers. | I submitted this last week but people did not understand what I meant so I'll give it another shot.
In the UK we have small card readers sent to us from the bank, when logging in to online banking you have to insert your card and the reader generates a code for you to log in with.
I want to know about how these rea... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4elw73/eli5_online_bank_card_readers/ | {
"a_id": [
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"d2195gx"
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"score": [
5,
4,
2,
2,
2
],
"text": [
"The following is for a similar product (the two factor authentication credential) so I cannot guarantee the UK version is the same. \n\nThe electronics contai... | [] | [] | [
[],
[],
[],
[],
[]
] | |
3ydji6 | food colouring and children, does it actually have a negative effect, or is it just pseudoscience? | We recently got a lecture over Christmas about feeding our daughter food coloured with red/orange colouring.
The reason I'm wondering is that the person telling us is right into other pseudoscientific ideas (homoeopathy, diet for curing cancer, etc) so I've no idea whether this information is accurate. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3ydji6/eli5_food_colouring_and_children_does_it_actually/ | {
"a_id": [
"cyclbsa"
],
"score": [
2
],
"text": [
"It is perfectly safe to feed anyone food coloring (assuming they are not allergic to something in it) and any claims that it is not safe are just pseudoscience. All food dyes have been thoroughly tested. "
]
} | [] | [] | [
[]
] | |
5mzx7s | why is there no salty taste to epsom salts? | Licked my hand after putting some in my bath for science. Expected a salty taste, there was none. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5mzx7s/eli5_why_is_there_no_salty_taste_to_epsom_salts/ | {
"a_id": [
"dc7monb"
],
"score": [
6
],
"text": [
"In purely scientific terms, a salt is simply the solid byproduct of a neutralization reaction. You're likely thinking in culinary terms, where “salt” is understood to mean sodium chloride. Since Epsom salt is magnesium sulfate and not sodium chlo... | [] | [] | [
[]
] |
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