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39i2iy | who is charlemagne and how am i related to him? | I'm of a European descent and I saw in an askreddit thread that most everyone of a European descent is related to Charlemagne. Who is this guy and how would all these people be related to one guy? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/39i2iy/eli5who_is_charlemagne_and_how_am_i_related_to_him/ | {
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"Charlemagne founded a big empire in the 8th century that spanned much of modern France, Italy, the Netherlands, Switzerland, Belgium, Germany, and Italy. He also had a bunch of kid... | [] | [] | [
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ahvzo2 | ear and throat connection | Why is it that when I use a cotton bud to clean my ears that as soon as I push it inside I start coughing? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ahvzo2/eli5_ear_and_throat_connection/ | {
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"I have the same \"condition\". It happens because a branch of the vagus nerve travels too close to the ear canal lining, making it possible to stimulate it mechanically. This stimulation triggers the cough reflex. It isn't a... | [] | [] | [
[],
[]
] | |
8i8zri | fruits or vegetables which are high in certain vitamins. are they of actual use to the plant or just a by product or both? | If they are used do they perform different functions in each plant? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8i8zri/eli5fruits_or_vegetables_which_are_high_in/ | {
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"I mean, the vitamins are produced for some function in the plant\n\nvitamin E for example is an antioxidant, which is used to counter some of the effects of oxidizing agents which can cause protein and DNA damage. One large ... | [] | [] | [
[],
[]
] | |
3tfesw | how do "stations" on a radio work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3tfesw/eli5_how_do_stations_on_a_radio_work/ | {
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"You will notice that each station will be a certain distance from the next, numerically that is. This distance is to ensure that you w... | [] | [] | [
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3vg7p1 | how do you measure gravity? | I understand there are ways to calculate gravity based on mass and distance, sure. But I also know that gravity varies... that the gravity in Phoenix is not equal to the gravity in Tokyo.
Instead of a calculation, how can you actually measure the net acceleration of gravity at any given point in space? How fast is m... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3vg7p1/eli5_how_do_you_measure_gravity/ | {
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"They make a device called an accelerometer. Some accelerometers are used to tell how fast your car slows down to trigger the airbag, but others can directly measure the acceleratio... | [] | [] | [
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8fzicu | how are magnets attracted to metal surfaces like refrigerators no matter what side, north or south, is pointed at it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8fzicu/eli5_how_are_magnets_attracted_to_metal_surfaces/ | {
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"Your fridge (or whatever surface) has magnetic moments on a microscopic level. However, the moments have no clear, uniform orientation. So as a whole, the metal is not \"magnetize... | [] | [] | [
[],
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[],
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] | ||
5cay9b | what is the most calorie dense food, and is there a limit to how many calories something can have? | I've been dieting for a while now and I was thinking about calories. Do we know what the food with the highest calorie density in the world is? And is there a limit to how calorie dense something can be? For example, would it be physically possible for something that weighs 1 gram to contain 1,000,000 calories, or is t... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5cay9b/eli5_what_is_the_most_calorie_dense_food_and_is/ | {
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"Pure fat is the highest calorie food that humans can eat. It is about 9 calories (kcals) per gram.\n\nCompared to protein and carbs (4 cal/gram) and alcohol (7 cal/gram).\n\nThat is the known limit for... | [] | [] | [
[],
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22o0ye | can crimes be committed in space, considering you're not under any country's jurisdiction? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/22o0ye/eli5_can_crimes_be_committed_in_space_considering/ | {
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"text": [
"People seem to think international waters are ok. At least in movies, I'm sure there is some type of charter against such things, like you might fall under the jurisdiction of wh... | [] | [] | [
[],
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"http://www.unoosa.org/oosa/en/SpaceLaw/gares/html/gares_21_2222.html"
],
[
"http://www.cnn.com/TECH/9707/24/yemen.mars/"
],
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] | ||
608vv6 | why do we close our eyes when kissing? is this innate or learned? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/608vv6/eli5_why_do_we_close_our_eyes_when_kissing_is/ | {
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33eooe | when a company does a product recall, wouldn't it go out of business? | Take the example of the recent Blue Bell icecream
_URL_0_ | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/33eooe/eli5when_a_company_does_a_product_recall_wouldnt/ | {
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"Just because one batch had a problem doesn't mean all future batches will. It definitely impacts their credibility and future sales, but it doesn't mean they'll go $0 sales.\n\nToyota and ford and gm ... | [] | [
"http://www.reddit.com/r/Austin/comments/33b7eu/all_blue_bell_ice_cream_is_being_recalled/"
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[],
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4f3x6n | why laying in your bed for 8 hours with your eyes closed won't rest you as much as 8 hours of sleeping? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4f3x6n/eli5_why_laying_in_your_bed_for_8_hours_with_your/ | {
"a_id": [
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"text": [
"One of the purposes of sleep is to flush out toxins from your brain. Brain cells, just like muscle cells, produce waste products when they're working. Because brain cells are densely packed together, those waste products stay near the cells wh... | [] | [] | [
[
"https://www.nih.gov/news-events/news-releases/brain-may-flush-out-toxins-during-sleep"
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] | ||
2h594p | why is the credit cards security code which is used to purchase things online on the back of the card? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2h594p/eli5_why_is_the_credit_cards_security_code_which/ | {
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"text": [
"Harder to photo graph. Additionally, it's not a number included on the magnetic strip, so it requires someone physically looking at it. \n\nVisa/Mastercard regulations also state that you aren't supposed to keep that number anywhere. You can actu... | [] | [] | [
[]
] | ||
37w3e0 | the current state of the republican and democratic parties. | Can someone explain in a very top-level way (and as unbiased as possible) the current ideologies of both the Republican and Democrats?
I've noticed that Republicans are to me seeming more and more outrageous in the things they support. Meanwhile Democrats are either keeping to the same ideas or just being a lot more l... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/37w3e0/eli5the_current_state_of_the_republican_and/ | {
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"text": [
"Basically, in America, republicans are socially conservative and fiscally liberal. Democrats are socially liberal, but fiscally conservative. \n\nThese words can have multiple mea... | [] | [] | [
[],
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"https://www.gop.com/platform/",
"http://www.democrats.org/issues/civil-rights"
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96qbb8 | how do we know sub-atomic particles are the smallest things in the universe? we thought that about atoms before we split them open. is it possible we’ll find something smaller yet again? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/96qbb8/eli5_how_do_we_know_subatomic_particles_are_the/ | {
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"text": [
"\"Subatomic particles\" is a range which includes everything smaller than atoms. The smallest things in the universe are smaller than cars for example, we know this to be trivially true."
]
} | [] | [] | [
[]
] | ||
2ralxw | why do heavy rain/floods cause water shortage? shouldn't it be the opposite? | Well...because floods bring more water? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ralxw/eli5_why_do_heavy_rainfloods_cause_water_shortage/ | {
"a_id": [
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"text": [
"Floods cause sewage and contaminated water to rise up and mix with drinking water making it unusable. If you see flood water it's normally brown and disgusting looking, not fit for drinking"
]
} | [] | [] | [
[]
] | |
6of2hn | why do volcanoes and earthquakes release explosive amounts of energy over such a relatively short period of time? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6of2hn/eli5_why_do_volcanoes_and_earthquakes_release/ | {
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"It seems like a short period of time for us, but really the pressure has been building up for a long period of time in the tectonic plates below us. \n\nThink about it like pulling an elastic band really tight, until it snaps. The earthquake is t... | [] | [] | [
[]
] | ||
25i8sl | why do some ceos have one dollar salaries? | So I watched the Social Network the other night, and it got me looking at Mark Zuckerberg's Wiki page. I thought it was a joke when I saw that he only makes a $1 salary, much like other many other CEOs [(list here)](_URL_0_). So why is this? Like I'm five, please.
*--Thanks for the answers all. It has given me more re... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/25i8sl/eli5_why_do_some_ceos_have_one_dollar_salaries/ | {
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"In order to be considered an employee (or CEO) you have to be paid. In most cases the CEO either doesn't need the money or symbolically wants to show that they are committeed more to the success of the ... | [] | [
"http://en.wikipedia.org/wiki/One-dollar_salary#Single-digit_salary_earners"
] | [
[],
[],
[]
] | |
6libxj | why do fireworks appear so much brighter in real life than in photos? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6libxj/eli5_why_do_fireworks_appear_so_much_brighter_in/ | {
"a_id": [
"dju1nrv"
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"score": [
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"text": [
"Photo printers and monitors are physically unable to reproduce the true range in brightness between the dark night sky and a burning ball of metal salts (fireworks)."
]
} | [] | [] | [
[]
] | ||
4080ce | how can regular aa batteries hold a charge for many years yet a rechargeable aa battery seems to only hold a charge for a few months | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4080ce/eli5_how_can_regular_aa_batteries_hold_a_charge/ | {
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"text": [
"These two types of batteries are built differently, with different chemicals. It's much simpler to put a couple of chemicals together in the battery that react once and stop (discharge) than it is to set up a couple of chemicals to react (dischar... | [] | [] | [
[]
] | |
c9hmmz | how does the us prison system work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/c9hmmz/eli5_how_does_the_us_prison_system_work/ | {
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"Private prisons also have contracts with the state so that is they fall below a certain number of inmates the state has to pay a fine. Incentivizing them to imprison more people. G... | [] | [] | [
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2hdmdu | man-made zircon vs. ancient zircon. | Hi All,
I was watching the MinuteEarth video on dating the Earth, and I thought their bit about zircon was really cool! They were talking about how zircon can sometimes get uranium in their crystal lattice, how the uranium can decay into lead, and how that's kind of weird, because lead wouldn't normally fit into zirc... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2hdmdu/eli5_manmade_zircon_vs_ancient_zircon/ | {
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"Your friend is likely talking about cubic zirconia (ZnO*_2_*), a man made diamond substitute.\n\nZircon (ZnSiO*_4_*) is something different. While quite common, individual crystals larger than 1 mm are somewhat rare. Also, the radioactive decay... | [] | [] | [
[]
] | |
6989ir | why do some people call muslims moslems? | I don't want any political discourse or arguments I'm just confused about the two. ^please^stay^civil | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6989ir/eli5_why_do_some_people_call_muslims_moslems/ | {
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"Why it persists, I don't know, but it originated as a result of differing transliteration conventions: the same Arabic letters being rendered with different... | [] | [] | [
[],
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"https://www.washingtonpost.com/news/morning-mix/wp/2015/01/12/why-j-k-rowling-is-so-incensed-about-rupert-murdochs-tweet-about-moslems/"
],
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fq7kmt | what happens to the common cold during the off season, where does it reside and why/how does it come back? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fq7kmt/eli5_what_happens_to_the_common_cold_during_the/ | {
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"text": [
"To echo what everyone here is saying, colds persist all year long but they do have an increase during the fall and winter, but it’s ... | [] | [] | [
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33qarb | whats a warp field and how did nasa accidentally create one? | Also, why is it useful?
Thank you! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/33qarb/eli5_whats_a_warp_field_and_how_did_nasa/ | {
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"The idea of a warp field is a bit of theory that works out on paper but we haven't been able to try it experimentally—it requires negative mass. The idea is core to the Alcubierre drive, which would allow for faster-than-light travel.\n\nThe p... | [] | [] | [
[]
] | |
8pzjy5 | how do cops prove you’ve been over the speed limit? do they always need conclusive proof to write you a ticket? | Sorry in advance for all the follow up questions, I’m just a curious 16 year old. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8pzjy5/eli5_how_do_cops_prove_youve_been_over_the_speed/ | {
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"In my country they need to be able to prove it in court if you happen to appeal the ticket... | [] | [] | [
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6amb8q | why do we need sunscreen when our ancestors didn't? did all our ancestors die of skin cancer? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6amb8q/eli5_why_do_we_need_sunscreen_when_our_ancestors/ | {
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"Ancestors that lived in Africa had lots of sun, and didn't need sunscreen because of high melanin levels. Ance... | [] | [] | [
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60sg5n | non slip shoes | I work in a restaurant and tonight when I went in the walk in, it was as if someone had greased the floor w butter. Upon warning everyone of my findings, I was informed that it was freshly mopped and only slippery to me due to the fact that I don't wear non slip shoes (side note: I'm pretty sure that something else was... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/60sg5n/eli5_non_slip_shoes/ | {
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"text": [
"Non-slip shoes have safety ratings, and those safety ratings are based on how the shoe exerts pressure on the ground. If a sole has lots of tread-patterns it has less surface area contact with the floor. The less area it has contacting it, the gr... | [] | [] | [
[]
] | |
6lpv75 | why do the majority of grey clothes have this speckled pattern of different shades of grey, in stead of one plain color like all the other colors of clothing? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6lpv75/eli5_why_do_the_majority_of_grey_clothes_have/ | {
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"text": [
"The grey that you speak of is heather grey. You can have a heather version of any color, grey is just the most common. "
]
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zz724 | how do solids dissolve in liquids? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/zz724/how_do_solids_dissolve_in_liquids/ | {
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"Everything is made out of molecules, which are little \"pieces\" of something. Dissolving usually occurs when the pieces of the solvent (usually the liquid, the stuff that does the dissolving) like the pieces of the solute (the solid, the stuff t... | [] | [] | [
[]
] | ||
7vq86b | why are three pin plugs better than two pin plugs in terms of safety, and why? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7vq86b/eli5_why_are_three_pin_plugs_better_than_two_pin/ | {
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"text": [
"The ground (the third prong) is a failsafe that appliances and tools can use if they want to. If you have a power tool in your hand and something shorts out inside and electrifies the casing or something else touching you, y... | [] | [] | [
[],
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38mv9m | what's the difference between exercise-induced asthma and simply being out of shape? | The reason I ask is because so many pro endurance athletes these days are seen using inhalers for the condition, which could potentially give them an advantage over athletes without the condition (everything else being equal). | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/38mv9m/eli5_whats_the_difference_between_exerciseinduced/ | {
"a_id": [
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"text": [
"Being out of shape = getting tired, cramping up, increasingly fast heart rate and being unable to catch your breath\n\nAsthma = tightening of the airways due to hypersensitivity causing difficulty breathing in and out. This constriction is what ... | [] | [] | [
[]
] | |
2dtvq0 | why do different game engines look so drastically different visually when they render games? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2dtvq0/eli5_why_do_different_game_engines_look_so/ | {
"a_id": [
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"text": [
"A game engine is a software framework, the core part of a game engine is a renderer, a physics system, and other more complicated things like AI. But all the visuals, though they are rendered by the engine, are designed completely by artists work... | [] | [] | [
[]
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2yipqx | how does a company like northrop grumman benefit from all the television advertising they are doing? | It seems to me like there are a limited number of customers for their product. I'm not going to buy a stealth bomber because I saw it on TV. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2yipqx/eli5how_does_a_company_like_northrop_grumman/ | {
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"text": [
"Politicians and powerful businessmen also watch TV. And you never know if that one ad will tip them over to favoring the company come next house vote.",
... | [] | [] | [
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[]
] | |
1re7mg | why do some types of meat cost more than others? | The answer is probably really simple, but why do some meats cost more than others even though most come from the same animals? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1re7mg/why_do_some_types_of_meat_cost_more_than_others/ | {
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"text": [
"the cost of anything is what people are willing to pay for it. you can have 2 types of cut from the same animal be different prices simply because people are willing to pay more for the \"better\" cut. it doesnt matter if ease of supply and the a... | [] | [] | [
[]
] | |
4levct | how did aristocrats prove their identity back in time? | Let's assume a Middle Ages king was in a foreign land and somebody stole his fancy dresses and stuff. How could he prove he was actually a king? And more specifically, how could he claim he was that certain guy? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4levct/eli5_how_did_aristocrats_prove_their_identity/ | {
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"http://www.history.com/news/history-lists/7-people-who-pretended-to-be-ro... | |
6o5nkt | why do vegetarians get stomach aches when they eat meat again? | Explain like I'm 5, why do vegetarians get stomach aches when they eat meat again? How do you prevent this? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6o5nkt/eli5_why_do_vegetarians_get_stomach_aches_when/ | {
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"There are probably several folks who can explain in more detail than I can, but the main cause is that your body becomes \"accustomed\" to the nutrition that it receives on a dail... | [] | [] | [
[],
[],
[],
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] | |
3gzbyv | why do companies like nestle have many brands of the same products (like water) in direct competition with themselves? | I was reading through [this](_URL_0_) thread and I wondered why they market competing brands against eachother when it's all the same company? Business doesn't make sense to me on that scale I guess... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3gzbyv/eli5_why_do_companies_like_nestle_have_many/ | {
"a_id": [
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"text": [
"A lot of those different brands target different segments of the market, so they are not in as much direct competition with each other as you might think. For example, one product might be aimed at people who only buy low co... | [] | [
"https://www.reddit.com/r/todayilearned/comments/3gyrjz/til_nestle_promised_none_of_their_products_would/"
] | [
[],
[]
] | |
2hezqp | what is the legalities of copying something from reddit? | I'm currently watching a popular Australian news show, and one of the leading stories is something from Reddit. In the top right-hand corner, they have even listed the source as Reddit. I am regularly seeing this on popular publications. Do shows have to ask permission from users to use their photos and other things fr... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2hezqp/eli5_what_is_the_legalities_of_copying_something/ | {
"a_id": [
"cks1oie"
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"score": [
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"text": [
"Well, no.\nIn the user agreement it states that Reddit has the right to do what they want with your material.\n\n > By submitting user content to reddit, you grant us a royalty-free, perpetual, irrevocable, non-exclusive, unrestricted, worldwide ... | [] | [] | [
[]
] | |
3wwtj8 | why are we producing 900k barrels of oil per day above demand, if the markets are already low? | I feel like this just makes it worse, because the supply is way too high and the value goes down. I know I'm oversimplifying, but I don't understand why production isn't slowing down to allow the price to catch up. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3wwtj8/eli5_why_are_we_producing_900k_barrels_of_oil_per/ | {
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"text": [
"Oil production is mostly controlled by OPEC, which is a committee of oil producing countries. Decisions regarding oil output for the member countries is de... | [] | [] | [
[],
[],
[],
[],
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] | |
mdmqm | shakespeare's genius | I'm always seeing in arguments, mainly about linguistics, about how great Shakespeare was and how pioneering he was with the English language. I often see things like "You don't like this type of word, well you better not read Shakespeare then!"
So, as someone who studied maths at uni, I have no idea why people rave a... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/mdmqm/eli5_shakespeares_genius/ | {
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"Nobody popularized memes like Shakespeare, eve... | [] | [] | [
[
"http://www.pathguy.com/shakeswo.htm"
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[],
[],
[],
[
"http://www.pathguy.com/shakeswo.htm"
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5uam2f | why do skaters spin faster when pulling in their arms. | Ok, so I now that it is because of Angular momentum, But I just can´t bend my mind around the math involved.
I mean my hands only way like 200grams or something like that, and ok they are spinning so their mass is probably more and you would have to add the mass of the rest of the arms etc.
But how can that amount of... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5uam2f/eli5why_do_skaters_spin_faster_when_pulling_in/ | {
"a_id": [
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"score": [
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"text": [
"Angular momentum is related to how far mass is from the center of rotation, as well as how much mass there is. Small masses, far from the center of rotation, actually contribute large amounts of angular momentum, because they are moving very fas... | [] | [] | [
[]
] | |
71g46q | how do animals keep from biting themselves? | On occasion, I'll be enjoying a meal when suddenly, I bite the fuck out of my tongue/jaw. I was wondering if animals such as sharks or alligators do the same thing, or if they have a method to prevent this? They have many more teeth than us, so it a seems like they'd do it all the time. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/71g46q/eli5_how_do_animals_keep_from_biting_themselves/ | {
"a_id": [
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"text": [
"If you look at any picture of an attacking shark, you'll see they don't really have tongues, lips, or cheeks to bite. Their mouths are pretty much perfectly designed to *safely* be a whirling mass of horror all the time.\n\... | [] | [] | [
[],
[]
] | |
2sg2uk | why does my banana ripen at superspeed when it's in my backpack? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2sg2uk/eli5_why_does_my_banana_ripen_at_superspeed_when/ | {
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2
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"text": [
"Bananas are a fruit that if it's surrounded by the chemicals it emits, will ripen much faster (you can turn green bananas to yellow quickly if you wrap them in a plastic bag). In an open area, these c... | [] | [] | [
[],
[],
[]
] | ||
3nsuta | what happens to your eyes when you stare directly into the sun? | My mom always told me I would go blind... I feel like that's not true. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3nsuta/eli5_what_happens_to_your_eyes_when_you_stare/ | {
"a_id": [
"cvqyot9",
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"score": [
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14
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"text": [
"It absolutely is true. The sun will burn your retinas and blind you if you stare at it. This one is not an urban myth. And using any sort of lens or magnifying mirror is orders of magnitude worse. You can blind yoursel... | [] | [] | [
[
"http://scienceline.ucsb.edu/getkey.php?key=3269"
],
[
"https://http://science.howstuffworks.com/dictionary/famous-scientists/physicists/isaac-newton6.htm"
]
] | |
qox57 | if the sun and the outer gas giant planets are just huge balls of gas floating in space, what keeps them held together? it seems like all the gas would dissipate into space | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/qox57/eli5_if_the_sun_and_the_outer_gas_giant_planets/ | {
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2,
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"text": [
"Think about this. The sun is made up of gas too and added to that there are fusion reactions, which intuitively one would think might dissipate the gasses.... | [] | [] | [
[],
[],
[],
[],
[
"http://cdn.memegenerator.net/instances/400x/15965727.jpg"
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2m7evw | if we evolved to have lungs, how did we survive without lungs? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2m7evw/eli5_if_we_evolved_to_have_lungs_how_did_we/ | {
"a_id": [
"cm1lgdm",
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"score": [
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4
],
"text": [
"The ocean is full of creatures who do not have lungs.\n\nAlso, insects don't have lungs, but they have holes on their bodies where the Oxygen and Carbon Dioxide exchanges take place.\n\ntl;dr lungs aren't required to breathe... | [] | [] | [
[],
[]
] | ||
3aueqd | why is transracial ≠ transgender | I've been looking highs and lows for an answer that my simple brain can comprehend, any help would be much appreciated. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3aueqd/eli5_why_is_transracial_transgender/ | {
"a_id": [
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"score": [
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2,
5,
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"text": [
"there's really no such thing as race outside of what society defines it to be. If society considers you to be a member of a certain race, you are that race, no exceptions. Sex and ... | [] | [] | [
[],
[],
[],
[]
] | |
37bva1 | the duggars scandal | What's going on that is getting them canceled? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/37bva1/eli5_the_duggars_scandal/ | {
"a_id": [
"crlbzzf",
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"score": [
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3
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"text": [
"One of the family, Josh Duggar, was found to be molesting his younger sisters while they slept; it began when he was 15 and continued for several years, while the victims were as young as 4. Jim Bob, the family's father and... | [] | [] | [
[],
[]
] | |
5v7zd0 | why are we told to cut plants back so they grow better next season? but this would not happen in the wild. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5v7zd0/eli5_why_are_we_told_to_cut_plants_back_so_they/ | {
"a_id": [
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],
"text": [
"Depends a bit on the plant. Some were specifically engineered by humans, and wouldn't have otherwise existed in the wild (such as knockout roses). Other plants would either die sooner in the wild, or eventually get out of ... | [] | [] | [
[],
[]
] | ||
5kxqks | if sea mammals breathe air normally, why does getting stuck on land result in a swift death? | I saw a headline stating people kept a killer whale alive for 8 hours while it was stranded on land until tide came back and allowed it to go back to sea. If they breathe air, why would 8 hours on land require assistance keeping it alive? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5kxqks/eli5_if_sea_mammals_breathe_air_normally_why_does/ | {
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"Whales can weigh... | [] | [] | [
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913eev | - what processe(s) do archaeologists go through to produce facial/body reconstructions? | Are there certain prominent technologies that are employed?
How long does the forensics process take?
How are the interpretations always accurate? Who validates the accuracy?
Thanks!
| explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/913eev/eli5_what_processes_do_archaeologists_go_through/ | {
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"text": [
"It's mostly artistic speculation, and a lot of assumptions are made. However there's only so many ways muscles and skin will hang from a skull.",
"Once the bones have been excavated and cleaned, the process is very simil... | [] | [] | [
[],
[
"http://www.pbs.org/opb/historydetectives/technique/learning-from-skeletons/",
"https://youtu.be/FxVM9upcizs",
"https://anthropology.si.edu/writteninbone/facial_reconstruction.html"
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22i8yz | how can open source software be considered "more secure" if everyone has access to the source? wouldn't that make it inherently less secure? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/22i8yz/eli5_how_can_open_source_software_be_considered/ | {
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"text": [
"You can find security holes without access to the source code, but you can't *fix* security holes without access to the source code.\n\nAnd more generally, a security hole is a m... | [] | [] | [
[],
[],
[],
[
"http://en.wikipedia.org/wiki/Security_through_obscurity"
]
] | ||
2beuf7 | why does knowing about the possibility of roko's basilisk make it more likely to happen? | I have recently become fascinated with the idea of Roko's Basilisk and understand the logic behind it. But I've heard someone describe just knowing about the possibility of RB being "Forbidden Knowledge" where us simply knowing its posible make it more likely. Also people have said theres a possibility we are the simul... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2beuf7/eli5_why_does_knowing_about_the_possibility_of/ | {
"a_id": [
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],
"score": [
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"text": [
"You heard someone be melodramatic, and are now putting way too much thought into things. But to answer your question\n\n > But if its got to the point it can simulate the universe surely its already been created\n\nThis implies that it's been cre... | [] | [] | [
[]
] | |
3cw2g3 | software developers of reddit, what are evolutionary algorithms? | Hi Reddit,
I'm writing a story on Evolutionary Algorithms, and I know ZERO about it. I tried Googling the term, however, I'm too confused with the influx of technical terms out there. I'd really like to understand it once before getting into the core of the subject. Help? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3cw2g3/eli5_software_developers_of_reddit_what_are/ | {
"a_id": [
"csziju2",
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2
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"text": [
"Essentially, these algorithms are written in such a way that a programmatically generated solution can be a) tested for fitness and b) slightly mutated. The goal is to keep testing various permutations that occur through mut... | [] | [] | [
[
"http://rednuht.org/genetic_cars_2/"
],
[]
] | |
w88t6 | medics ! chemists ! why is paracetamol bad for my liver, and ibuprofen bad for my stomach ? | That's what I'm always taking into account when choosing one, but I'd like to understand why :
- paracetamol is "hard" for the liver (I've been told that paracetamol + alcohol is especially dangerous)
- ibuprofen is "hard" for the stomach (causing acid reflux) | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/w88t6/medics_chemists_why_is_paracetamol_bad_for_my/ | {
"a_id": [
"c5b4jy6",
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"score": [
15,
8
],
"text": [
"The liver metabolizes, or breaks down, many foreign chemicals in the body. Paracetamol is one of them. Paracetamol itself is not harmful, but when it is broken down, one of the intermediate products is particularly nasty.... | [] | [] | [
[],
[]
] | |
a4pof9 | how can you be declared/clinically dead but still survive? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a4pof9/eli5_how_can_you_be_declaredclinically_dead_but/ | {
"a_id": [
"ebh2z8b"
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"score": [
2
],
"text": [
"Short answer: you can’t \n\nLong answer: death is more complex than people think when applied to the human body as a whole. Cellular death is different from organ death or tissue death or the notion of death for us as a being. When your heart sto... | [] | [] | [
[]
] | ||
oi09l | why does hot mustard burn in nose and not the mouth like hot chili? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/oi09l/eli5_why_does_hot_mustard_burn_in_nose_and_not/ | {
"a_id": [
"c3hf4ax"
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"score": [
14
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"text": [
"Mustard (and horseradish and wasabi) contains an oil called **allyl\nisothiocyanate**. This vaporizes rather easily on your tounge, and wafts up into your nasal cavity, where it causes pain and irritation. \n\nCapsaicin, which is responsible f... | [] | [] | [
[]
] | ||
53pzjl | why do we find the natural smell of other people to be stinky? how does this benefit a social species? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/53pzjl/eli5_why_do_we_find_the_natural_smell_of_other/ | {
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8,
2
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"text": [
"People actually finds the natural smell of other people to be nice, in a lot of cases even better then most perfumes. Your decision for who you want to spend time with is often based on their smell and... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Claus_Wedekind"
],
[]
] | ||
28a25a | what would happen if your entire body was burned by steam? | For example and a real world possibility, a steam locomotive releases steam from their boiler by shooting the steam out the side of the engine, what would happen if you were hit by that steam? Would you die? Would your skin completely burn off?
I know this is a very weird question but I am very curious. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/28a25a/eli5_what_would_happen_if_your_entire_body_was/ | {
"a_id": [
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"text": [
"You would be burned:\n\n_URL_2_\n\nSpecifically, you'd be scalded (burned by hot fluid)\n\n_URL_1_\n\nThe severity of the burn will determine how badly you are injured and how (un) likely it is that you'll survive.\n\n_URL_0_\n\nA momentary blast... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Burn#Signs_and_symptoms",
"http://en.wikipedia.org/wiki/Scalding",
"http://en.wikipedia.org/wiki/Burn#Thermal"
]
] | |
bd0w3o | how does our throat become “itchy” when we start gaining common colds (cough & runny nose)? | I have gained common colds through viral virus and I guess due to other people’s fatigue and their gradual decrease in their resistance(?) passed onto me? I’m not exactly sure about the terms I use, I still hope someone can get what I’m trying to say. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bd0w3o/eli5_how_does_our_throat_become_itchy_when_we/ | {
"a_id": [
"ekv36qd"
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"score": [
5
],
"text": [
"One of the first lines of defense the tissues in your nose and throat have to protect you from the infection is to come loose and fall off, in an attempt to take the invading virus either out of your body or into your stomach to be disposed of. ... | [] | [] | [
[]
] | |
3qu1k4 | if psychological projection is a thing, why do (some) depressed people see everyone else as very happy? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3qu1k4/eli5_if_psychological_projection_is_a_thing_why/ | {
"a_id": [
"cwib1q4"
],
"score": [
2
],
"text": [
"as per Google:\n\n > \"Psychological projection is a defense mechanism people subconsciously employ in order to cope with difficult feelings or emotions. Psychological projection involves projecting undesirable feelings or emotions onto someone e... | [] | [] | [
[]
] | ||
23mde3 | why is talking on the phone while driving illegal (in some countries and states) ? with this line of thinking should talking to a passanger in the vehicle not be similar. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/23mde3/eli5_why_is_talking_on_the_phone_while_driving/ | {
"a_id": [
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3
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"text": [
"Talking on the phone is only illegal if it involves taking your hands off the wheel. Having a car phone and talking on the phone through that is not against the law. But in many places it is against the law to be holding y... | [] | [] | [
[],
[]
] | ||
p8k5p | how are time limits on steet parking enforced? | I know this sounds dumb, but I was thinking about how the other day I was parked on a street with a 2-hour parking limit. I stayed for almost 6 hours and wasn't ticketed. I'm not going to keep pushing it because I realize I will eventually get ticketed if I do that habitually, but I'm wondering, how are those limits ac... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/p8k5p/eli5_how_are_time_limits_on_steet_parking_enforced/ | {
"a_id": [
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"score": [
2,
2,
11
],
"text": [
"A lot of times they will mark your tires with a dash of chalk.",
"They walk around with a little computer that they write down license plate numbers with. It records the time and location and it wi... | [] | [] | [
[],
[],
[]
] | |
1u05ak | what musical scales are and why/how they are used | Some side questions: how they were discovered, why a random sequence of keys can't be a scale and why you have to stick to a particular scale in a song | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1u05ak/eli5_what_musical_scales_are_and_whyhow_they_are/ | {
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"score": [
2,
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3
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"text": [
"A random sequence of keys can't be a scale due to all scales having a predetermined interval between each note. For a major scale, it goes whole, whole, half, whole, whole, whole, half. Minor has a diff... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Modulation_(music)"
],
[],
[
"https://www.youtube.com/watch?v=yobMYWK0rzY",
"https://www.youtube.com/watch?v=h3Yrhv33Zb8",
"https://www.youtube.com/watch?v=LStm-UDER2I",
"http://www.hooktheory.com/blog/i-analyzed-the-chords-of-1300-popular-songs-for-patterns... | |
67vitu | why are carpet floors so ubiquitous in some countries? are they worth all the extra hassle? | For an equivalent price, carpet brings more headaches than tile: stains are harder to clean, carpet wears down, fungus or other stuff can more easily grow in it, vacuum cleaning is mandatory—cannot just sweep a broom over it, cannot wash it with a mop.
Coming from a country where tile/hardwood is the absolute norm, I... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/67vitu/eli5_why_are_carpet_floors_so_ubiquitous_in_some/ | {
"a_id": [
"dgtiqlm",
"dgtis3t",
"dgtitcn",
"dgtkwq7",
"dgtn12x",
"dgtpc1i",
"dgtqs8e",
"dgtr6dg",
"dgu27kx"
],
"score": [
8,
8,
46,
4,
2,
3,
3,
3,
2
],
"text": [
"Carpets are warmer as they help insulate the floor and they also aren... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | |
445gkz | why haven't we added a centrifugal (false gravity) element to the iss, and does it even matter? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/445gkz/eli5_why_havent_we_added_a_centrifugal_false/ | {
"a_id": [
"cznjl10",
"cznjl9c",
"cznjmxr"
],
"score": [
2,
2,
8
],
"text": [
"Cost.\n\nMaking an air-tight rotating seal capable of the necessary loads is very difficult. That complexity gives high costs, and that means that the benefit doesn't offset the cost.",
"Well you n... | [] | [] | [
[],
[],
[]
] | ||
frrw86 | how did we find out how many notes there are, how they sound and music theory in general? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/frrw86/eli5_how_did_we_find_out_how_many_notes_there_are/ | {
"a_id": [
"flxbidy",
"flxc2e5",
"flxdn1a",
"flxdz3m"
],
"score": [
4,
5,
4,
4
],
"text": [
"Music theory is about ratios. When two notes have frequencies at a simple ratio, they sound pleasing when played together compare to notes that do not. 2:1 is an octave, 3:2 is f... | [] | [] | [
[],
[],
[],
[]
] | ||
5ss9k5 | what is the primary difference between julian assange and edward snowden | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ss9k5/eli5_what_is_the_primary_difference_between/ | {
"a_id": [
"ddhf8bu",
"ddhfn7p",
"ddhien1",
"ddhmt02",
"ddhqzfc"
],
"score": [
15,
18,
7,
12,
3
],
"text": [
"There are lots of people who support Snowden's actions because he exposed information about unethical (and which many argue illegal) activities of the US g... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
1a9r0k | what is the appeal of being a "brony"? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1a9r0k/eli5_what_is_the_appeal_of_being_a_brony/ | {
"a_id": [
"c8vd1wp",
"c8vdjpf",
"c8vh1qk"
],
"score": [
15,
2,
2
],
"text": [
"Contrary to My Little Pony's appearance, it's actually made to be like one of those shows that appeal to kids AND adults, like Adventure Time or most 90s cartoons, like the Powerpuff Girls, another \"g... | [] | [] | [
[],
[],
[
"http://www.thegeekprofessor.com/ponies/why-im-a-brony/"
]
] | ||
6ky2bv | how does a person's weight fluctuate around 2-5 lbs within a day, yet their body composition doesn't change at all besides adding a few ounces, and losing a few due to food and waste? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6ky2bv/eli5_how_does_a_persons_weight_fluctuate_around/ | {
"a_id": [
"djpoiq1",
"djpt8hv",
"djq8du7"
],
"score": [
4,
4,
2
],
"text": [
"Shit. Literal shit in the digestive tract. Intestines can hold up to ~10lbs or more if you've got a food intolerance (difficulty breaking down certain foods). \n\nExample - you might not be allergic to ... | [] | [] | [
[],
[],
[]
] | ||
nqu1j | how multiplayer games are able to pass so much data (about position/actions of other players) in realtime, reliably. | It just seems like a heck of a lot of information to keep in sync when other players are doing their own thing. Soon as I press a button to jump, 10 other people see me jump from their own different angle at close to real time. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/nqu1j/eli5_how_multiplayer_games_are_able_to_pass_so/ | {
"a_id": [
"c3b7zny",
"c3b84f6",
"c3b7zny",
"c3b84f6"
],
"score": [
14,
10,
14,
10
],
"text": [
"The whole act of you jumping is not transmitted, just the keystroke is. The client installed on your machine (the game files on your computer) make sure each jump is valid (you... | [] | [] | [
[],
[],
[],
[]
] | |
y04ab | why you don't see the brush strokes in cartoons. | Back in the day when cartoons were hand-drawn, how can you not see brush strokes? All the colours seem nicely and evenly filled in. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/y04ab/eli5_why_you_dont_see_the_brush_strokes_in/ | {
"a_id": [
"c5r3w69",
"c5ra1kc"
],
"score": [
7,
5
],
"text": [
"I'm fairly sure they used gouache, which can be almost perfectly matte if you add enough water, looks almost digital.\n\nSomeone correct me if I'm wrong.\n\n",
"I actually have painted cells and gouache is close. It is/w... | [] | [] | [
[],
[]
] | |
8lk05z | what is interest rate and why does it matter? | I have no idea... Zero knowledge | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8lk05z/eli5_what_is_interest_rate_and_why_does_it_matter/ | {
"a_id": [
"dzg32f3",
"dzg3gjy"
],
"score": [
3,
3
],
"text": [
"Interest rates are how much either someone pays to hold on to someone elses money.\n\nSo a bank can pay you interest (usually a couple percent) to have a bank account with them. They also can charge you interest on your bill... | [] | [] | [
[],
[]
] | |
7a9fhn | how hospitals move deceased patients to the morgue without others noticing. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7a9fhn/eli5_how_hospitals_move_deceased_patients_to_the/ | {
"a_id": [
"dp873fo"
],
"score": [
2
],
"text": [
"They don't. It is not like it is a big show and they make an announcement but it is also a hospital and people die. \n\nThey usually cover them and then use staff corridors and elevators to move them to the morgue. If they have to move through pu... | [] | [] | [
[]
] | ||
24jkgn | why can movie studios produce animated characters who have accurate voice/mouth animation but video game developers can't do the same with video game characters? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/24jkgn/eli5_why_can_movie_studios_produce_animated/ | {
"a_id": [
"ch7qn2d",
"ch7swpv",
"ch7t2eu",
"ch7ub5d",
"ch7um29"
],
"score": [
5,
6,
5,
7,
2
],
"text": [
"My educated guess is that it has something to do with translation voice overs. Games also usually have lower cinematic budgets. They'll skimp on cinematic and... | [] | [] | [
[],
[],
[],
[
"http://www.pcgamer.com/2011/10/13/mass-effect-3-contains-twice-as-much-dialogue-as-the-first-game/",
"https://www.youtube.com/watch?v=mRtT4HHQef0"
],
[]
] | ||
21awgq | what are the benefits for someone who creates a computer virus? | I've never understood if viruses' only purpose was to frustrate and annoy me, or if the creator of the virus was actually gaining something from sending it out. Explain. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/21awgq/eli5what_are_the_benefits_for_someone_who_creates/ | {
"a_id": [
"cgbaipr",
"cgbawym"
],
"score": [
14,
4
],
"text": [
"Some men just want to watch the world burn",
"Mostly because if you infect a computer, you can control the computer.\n\nSo in essence, the coder has the control over your computer. Possibly doing an autonomous function... | [] | [] | [
[],
[]
] | |
1v7nwt | how does the show "jeopardy" work? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1v7nwt/eli5_how_does_the_show_jeopardy_work/ | {
"a_id": [
"cephr9c",
"cephrvr",
"cepiqtr"
],
"score": [
2,
2,
3
],
"text": [
"I give you the answer, and you give me the question.\n\nExample-\n\nAnswer: 4\n\nQuestion: What is 2+2? ",
"The contestants pick a question of a certain value from different categories. Whoever corr... | [] | [] | [
[],
[],
[
"http://blogs.msdn.com/cfs-filesystemfile.ashx/__key/communityserver-blogs-components-weblogfiles/00-00-00-45-39-metablogapi/2654.image_5F00_76C79022.png"
]
] | ||
5w5jhq | if a bullet fell on my head at maximum velocity, could it penetrate my skull? | Because bullets vary, I will take a generic pistol as an example, and with a quick Google search I got Glock G19, which has a 9mm bullet, so we will use this as reference.
If this fell from far above at terminal velocity (assuming there is no air resistance and no added external force), could it penetrate my skull? If... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5w5jhq/eli5_if_a_bullet_fell_on_my_head_at_maximum/ | {
"a_id": [
"de7fln5",
"de7ftxq",
"de7gbvr",
"de7iauw",
"de7l4kr",
"de7qegy",
"de8eu6l"
],
"score": [
23,
3,
11,
4,
2,
3,
2
],
"text": [
"No. The air resistance slows the bullet down enough for it to not be lethal when it hits the ground (or rather, ... | [] | [] | [
[],
[],
[
"http://mythresults.com/episode50"
],
[],
[],
[
"http://forensicoutreach.com/library/the-falling-bullet-myths-legends-and-terminal-velocity/"
],
[]
] | |
3h2rl7 | how different are the various spanish dialects. | Now I live nowhere near Spain and most of the media I consume is in English (ie American made) and whenever I hear people talk about the Spanish language they treat it as this monolithic entity. Yet from what I've heard there are a lot of dialects in Spain (Castillian, Catalan, etc.). I've always wondered if the Americ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3h2rl7/eli5_how_different_are_the_various_spanish/ | {
"a_id": [
"cu3q6lu",
"cu3qbd9",
"cu3rfon"
],
"score": [
3,
3,
6
],
"text": [
"I had a few Spanish employees working for me, and a lot of workers from Mexico and Guatemala. The Spain Spanish is very different from what I'm used to hearing, their accent is a little more nasally, an... | [] | [] | [
[],
[],
[]
] | |
20zqtl | if i pour a carbonated drink slowly into the side of a glass, will i have more soda to drink than if i just dumped the can into the glass rapidly? | Does drinking straight out of the can give me the most soda since there is no foam from pouring? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/20zqtl/eli5_if_i_pour_a_carbonated_drink_slowly_into_the/ | {
"a_id": [
"cg885ad",
"cg88g10"
],
"score": [
6,
4
],
"text": [
"You're not \"losing\" soda when it foams up - you're just losing the carbon dioxide gas dissolved in it. It will eventually come to the same level in the glass whether you pour it carefully with no foam or dump it all in.",
... | [] | [] | [
[],
[]
] | |
2wrl59 | why do some birds fold their wings during flight? | since i was a child i always wondered why some small birds flap their wings, then fold them, then flap again and fold again and so on. Is it more efficient? If so why don't all birds do it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2wrl59/eli5_why_do_some_birds_fold_their_wings_during/ | {
"a_id": [
"coths5g",
"cotimcj",
"cotzy7t"
],
"score": [
4,
39,
2
],
"text": [
"Lose altitude, reduce speed, optimize the amount of energy used for flight. Smaller birds use more energy for flight as a share of their weight, so it is more important for them to be efficient. At the... | [] | [] | [
[],
[],
[]
] | |
8a3bvw | how did people in the olden days construct buildings that were multiple stories high without the use of machinery like cranes to lift and place materials? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8a3bvw/elif_how_did_people_in_the_olden_days_construct/ | {
"a_id": [
"dwvhzkd"
],
"score": [
2
],
"text": [
"Pulleys and inclined planes have been used since a long time. Pulleys to lift loads and inclined planes to push stuff up or down. Much like today's modern cranes, pulleys did the same except using man power."
]
} | [] | [] | [
[]
] | ||
1gm8hy | why it's so much easier to lift a 60lb child than a 60lb bag of soil | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1gm8hy/eli5_why_its_so_much_easier_to_lift_a_60lb_child/ | {
"a_id": [
"caljmkv",
"caln43x",
"calp4q7",
"cam2j5m",
"camw3y0"
],
"score": [
3,
7,
2,
3,
2
],
"text": [
"You can lift the child by their arms, while you'd lift the bag of soil by it's sides - and to do this, you need to hold it tighter.",
"Structure.\n\nGo be... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
1vlsuh | why is death by lethal injection (and the associated perils/screwups) morally preferable to a bullet in the brain? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1vlsuh/why_is_death_by_lethal_injection_and_the/ | {
"a_id": [
"cetidev",
"cetihnv",
"cetitmy"
],
"score": [
8,
2,
2
],
"text": [
"It is less personal. The person who pulls a lever to release poison does not need to look at the person to be executed. It's also less messy - no one has to clean up brain afterwards.",
"Read Discip... | [] | [] | [
[],
[],
[]
] | ||
62zdol | how can a low-cost airline pays for everything by selling tickets at really low prices? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/62zdol/eli5_how_can_a_lowcost_airline_pays_for/ | {
"a_id": [
"dfq59fl",
"dfq7ov4",
"dfq8dhl",
"dfq98nd",
"dfqdlti",
"dfquhei"
],
"score": [
19,
12,
2,
3,
2,
2
],
"text": [
"Flying in and out of smaller airports, cutting service to the bare minimum, and doing things like charging for in-flight meals.",
... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | ||
11d3zv | - why are some pills so huge? | I've noticed that sometimes medicine comes in pills that are ridiculously large. Is there a reason for this? It seems counter-intuitive to me, because the bigger pills are harder to swallow. Wouldn't it make more sense to present the medication in smaller pills and have you take two of them or something? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/11d3zv/eli5_why_are_some_pills_so_huge/ | {
"a_id": [
"c6lf0ib",
"c6lf3xe",
"c6lf6e8",
"c6lf89e",
"c6lg0kc",
"c6lhetp",
"c6lhhgx"
],
"score": [
318,
9,
36,
2,
9,
14,
5
],
"text": [
"This has to do with a few factors actually (and correct me if I'm wrong, pharmacy students), one of which is a... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Pharmacokinetics"
],
[],
[],
[],
[],
[],
[]
] | |
4a3o8v | the game of go and why it was thought machines could never beat humans at it. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4a3o8v/eli5_the_game_of_go_and_why_it_was_thought/ | {
"a_id": [
"d0x4egh"
],
"score": [
33
],
"text": [
"Nobody thought computers would never beat humans at it, but most people thought it would still take at least 10 more years. The short reason for this is that to make a good move at go, there were really no good computational shortcuts. You can e... | [] | [] | [
[]
] | ||
1wi64m | how do remixers get the raw vocals from a track? | I was just listening to a remix of [Bastille's Pompeii](_URL_0_) and I was wondering how the person who remixed it managed to cut the vocals out of the song itself.
Could someone explain please? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1wi64m/eli5_how_do_remixers_get_the_raw_vocals_from_a/ | {
"a_id": [
"cf27l5q",
"cf28fur"
],
"score": [
2,
2
],
"text": [
"Probably got access to the mixer tracks for the vocals from the artist's management or there might be an acapella version floating somewhere",
"The vocals are recorded as a separate track before the song is mixed. Many ... | [] | [
"http://www.youtube.com/watch?v=TLfKT59dQtw"
] | [
[],
[]
] | |
14y7bl | why does soccer not stop the clock for injury or out of bounds? | Seriously, "injury time" is dumb. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/14y7bl/eli5_why_does_soccer_not_stop_the_clock_for/ | {
"a_id": [
"c7hjvds"
],
"score": [
5
],
"text": [
"We like the game to flow. The entertainment is 45 minutes of mostly uninterrupted athleticism. If the ball goes out of play and the clock stopped, there would be little incentive to get going again with any urgency. Players can receive a caution ... | [] | [] | [
[]
] | |
2lhcxo | the difference between pnp and npn | Really explain it to a 5 year old this time. Use bananas if necessary. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2lhcxo/eli5_the_difference_between_pnp_and_npn/ | {
"a_id": [
"clurbhs",
"cluu1ta"
],
"score": [
3,
2
],
"text": [
"So you have two metals, and one has a property that makes it P type, and another whose properties make it N type. What this actually means doesn't really matter to a 5 year old, other than they are different, and this is how... | [] | [] | [
[],
[
"http://upload.wikimedia.org/wikipedia/en/a/a0/Donor_in_Si_lattice.png",
"http://upload.wikimedia.org/wikipedia/commons/0/01/Acceptor_in_Si_lattice.png"
]
] | |
aff5jy | historically, why did some civilizations seem to get stuck in the hunter/gatherer stage while others excelled in so many tangible ways? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/aff5jy/eli5_historically_why_did_some_civilizations_seem/ | {
"a_id": [
"edy5ku1",
"edyyu45"
],
"score": [
5,
2
],
"text": [
"Appropriate beasts of burden seem to have been a big factor. Notice that south america didn't have animals like oxen to till fields or pull carts (also, they had yet to develop the wheel) leaving all manual labour powered by... | [] | [] | [
[],
[]
] | ||
2gc84g | why do all mammal infants sleep 90% of the time, yet human spawn screeches for hours on end at night? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2gc84g/eli5_why_do_all_mammal_infants_sleep_90_of_the/ | {
"a_id": [
"ckhnyhd",
"ckhpg07",
"ckhpzlm",
"ckhqwuz",
"ckhsx2a",
"ckhu46a",
"ckhu93o"
],
"score": [
47,
3,
6,
22,
15,
4,
23
],
"text": [
"There is a hypothesis (I am not sure it is enough to be a theory) that infants cry at night in order to keep t... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | ||
1gwnv2 | communism and fascism | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1gwnv2/eli5_communism_and_fascism/ | {
"a_id": [
"caorij9",
"caout98"
],
"score": [
12,
2
],
"text": [
"The idea of communism is a world where the means of production (the things people use to make goods) are owned socially. This means that everyone gets to benefit from them instead of an elite class called the bourgeoisie (t... | [] | [] | [
[],
[]
] | ||
8fh51m | how does a player piano work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8fh51m/eli5_how_does_a_player_piano_work/ | {
"a_id": [
"dy3imy1"
],
"score": [
4
],
"text": [
"Player pianos are played by feeding a paper roll of \"music\" through the center of the piano. The roll has dashes punched out to indicate what music notes are to be played and when. As the roller pulls the paper through the piano the gaps trigge... | [] | [] | [
[]
] | ||
260xmt | what is chaos theory? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/260xmt/eli5_what_is_chaos_theory/ | {
"a_id": [
"chmktm5",
"chml8fz",
"chmmqss",
"chmmtt9",
"chmnce2",
"chmnuky",
"chmoidw",
"chmpeve",
"chmpmum",
"chmpr0j",
"chmqlq4",
"chmr05b",
"chmr0md",
"chmrxym",
"chmu5u1",
"chmwgbu",
"chmzux1",
"chmzzsi",
"chn0t80",
"chn1c2g",
"c... | [] | [] | [
[],
[
"http://video.mit.edu/watch/double-pendulum-6392/",
"http://en.wikipedia.org/wiki/File:DPLE.jpg"
],
[
"http://www.youtube.com/watch?v=n-mpifTiPV4"
],
[],
[
"http://upload.wikimedia.org/wikipedia/commons/1/13/A_Trajectory_Through_Phase_Space_in_a_Lorenz_Attractor.gif"
],
[],
[... | ||
31tu2m | can we have multiple internets or is it like the highlander and there can be only one, and why? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/31tu2m/eli5_can_we_have_multiple_internets_or_is_it_like/ | {
"a_id": [
"cq4x4lx",
"cq50zgm"
],
"score": [
4,
2
],
"text": [
"We have many internets. The Comcast network is different from the FIOS network, and so forth. The networks have connections so that it seems like one big network, but that's all a simplification for users.",
"internet ... | [] | [] | [
[],
[]
] | ||
11q4aj | why is it that once in a while my eyeballs..shake, for a second or so? | Me and my friend both know this problem, we have it, is there a reason why your eyeballs shake/jiggle/whatever for half a second, at random times? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/11q4aj/eli5_why_is_it_that_once_in_a_while_my/ | {
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"text": [
"Your brain, over millions of years of evolution, has trained itself to ignore signals from your nerves that do no... | [] | [] | [
[],
[],
[
"http://en.wikipedia.org/wiki/Nystagmus"
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azlpgk | why does the us government not produce insulin? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/azlpgk/eli5_why_does_the_us_government_not_produce/ | {
"a_id": [
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"text": [
"Because the government doesn't produce products. The government isn't a pharmaceutical company, it's a government. ",
"Because the government lacks the will/drive to do major social projects like this... It's on the citi... | [] | [] | [
[],
[]
] | ||
3mr22b | why if i think about or say a word too much sometimes i forget its meaning or get confused and question whether it is still a word or not? | It doesnt happen very often but every once and a while when i read a word i stop and linger about it then after repeating it a few times in my mind, i start to wonder... How does this mean anything, is it truly a word? Even happened with my name once (is it truly my name? 0_o) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3mr22b/eli5_why_if_i_think_about_or_say_a_word_too_much/ | {
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"text": [
"The brain likes to focus on new, exciting things. It is very good at ignoring static or repeated things, because it's not very exciting and does not represent danger or reward. An example is when you get used to a persistent noise like a clock ti... | [] | [] | [
[]
] | |
1e2agq | why do i lose a decent amount of hair in the shower, yet my hair thickness stays the same? | Especially if I (female) go 3-4 days in between cleaning my hair, I lose a decent amount of hair. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1e2agq/eli5_why_do_i_lose_a_decent_amount_of_hair_in_the/ | {
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"text": [
... | [] | [] | [
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