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
1z5fcw
why do humans stretch their cheek muscles when they feel happiness? does this apply to every organism?
Why do humans stretch their cheek muscles when they feel happiness or laughter? Did this undergo through evolution? And does every other organism do the same thing? Quite intrigued about it.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1z5fcw/eli5why_do_humans_stretch_their_cheek_muscles/
{ "a_id": [ "cfqolhc" ], "score": [ 5 ], "text": [ "We use our faces to communicate with other humans, so that's why we have facial expressions. I'm not sure if smiling is an instinct or just a very old cultural construct. Other animals show happiness in a wide variety of ways, like dogs wagging t...
[]
[]
[ [] ]
1rlcbk
how a currency can just be invented? ex: bitcoin
How do you just invent a currency, and who "started" bitcoin? Who gave it value. It just seems ridiculous to me.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1rlcbk/eli5_how_a_currency_can_just_be_invented_ex/
{ "a_id": [ "cdodnu9", "cdodz3w", "cdoe122", "cdoixck" ], "score": [ 2, 2, 9, 2 ], "text": [ "God doesn't have a treasury department in the sky you need to go through or anything, you just start giving out tokens and say 'this is money' and you have a currency. (Or not even...
[]
[]
[ [], [ "http://en.wikipedia.org/wiki/Representative_money", "http://en.wikipedia.org/wiki/Fiat_money" ], [], [] ]
2xiwqk
how come poison oak (ivy, sumac) takes two days to show a rash after exposure when other irritants have an almost instant reaction?
Secondary question: is there a way to capitalize on this lag time if you know you have been exposed in order to mitigate the effects?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2xiwqk/eli5_how_come_poison_oak_ivy_sumac_takes_two_days/
{ "a_id": [ "cp0hv0v", "cp0j7ul" ], "score": [ 2, 3 ], "text": [ "The irritating agent in all of those poison plants is an oil named [\"Urushiol.\"](_URL_1_) It can \"live\" on surfaces for up to 100 years. Unlike some things, repeated exposure to urushiol will actually diminish your resis...
[]
[]
[ [ "http://www.bio.umass.edu/micro/immunology/poisoniv.htm", "http://en.wikipedia.org/wiki/Urushiol-induced_contact_dermatitis" ], [] ]
ao088u
how do scentless air freshening sprays (like ozium) work?
inb4: you press down on the top of the can and the spray comes out. Does the spray take out the smell particles in the air or prevent your nostrils from taking in other scents or how exactly does it work?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/ao088u/eli5_how_do_scentless_air_freshening_sprays_like/
{ "a_id": [ "efxdh1j" ], "score": [ 3 ], "text": [ "You smell things because little particles move past/touch olfactory cells which send signals to the brain.\n\nIn order to get pulled into your nose, these particles must be free floating in the air. \n\nWhen you spray a scentless air freshener li...
[]
[]
[ [] ]
5k7pzv
what is actually going on in our cameras/phones when we take a picture?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5k7pzv/eli5_what_is_actually_going_on_in_our/
{ "a_id": [ "dbm2ig6" ], "score": [ 4 ], "text": [ "When you take a picture, the shutter on your camera opens, this lets light travel through the lens elements and focus onto your camera's sensor. The sensor is covered in photosites (basically the sensor version of pixels) that senses the light an...
[]
[]
[ [] ]
47ia8t
why is netflix calling better call saul a 'netflix original' in europe while it isn't made by them but rather by amc networks?
In the USA they don't call it an 'original' and is shown by AMC networks. So why do they say that in Europe but not the USA?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/47ia8t/eli5_why_is_netflix_calling_better_call_saul_a/
{ "a_id": [ "d0d481f" ], "score": [ 15 ], "text": [ "Netflix calls anything that they broadcast exclusively as \"Netflix Original\", as in \"This was is originally broadcast on Netflix in this country\". They can of course call it whatever they want." ] }
[]
[]
[ [] ]
1yji1t
what are bed frames for?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1yji1t/what_are_bed_frames_for/
{ "a_id": [ "cfl1uad" ], "score": [ 2 ], "text": [ "Keeping your bedding off the ground except for a few smooth legs helps prevent parasites and insects from living in your bed." ] }
[]
[]
[ [] ]
529d9o
how does the market make sure each central bank doesn't rig the system for their citizens?
Anecdotally there is a lot of m & a and asset buying from chinese firms and individuals. If Chinese currency is pegged to the dollar ( the chinese central bank? doesn't allow it to move outside a range ) and I am assuming their books are semi-closed off who regulates how much wealth they are generating for their people...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/529d9o/eli5_how_does_the_market_make_sure_each_central/
{ "a_id": [ "d7idbhy" ], "score": [ 2 ], "text": [ "The currency markets also operate on supply and demand. A central bank that starts letting lots of the national currency enter the market not only causes inflation domestically, but a weaker currency abroad.\n\n > If I make it easy to borrow mon...
[]
[]
[ [] ]
2d84os
why do we only learn out multiplications up to 12?
Surely a multiple of 5 is a better stopping point, like 15 or 20.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2d84os/eli5_why_do_we_only_learn_out_multiplications_up/
{ "a_id": [ "cjmzqsq", "cjmzr8b", "cjn16z8", "cjn17rb", "cjn2yje" ], "score": [ 2, 2, 8, 3, 2 ], "text": [ "It's fairly arbitrary, but we stop at twelve (and when I was in school, at ten) mostly because there's a repeatable process at thirteen (or eleven) and above ...
[]
[]
[ [], [], [], [], [] ]
6wulzu
why does congress have the power to declare war, yet the president is the commander if the military?
Isnt it counter-intuitive? *of
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6wulzu/eli5_why_does_congress_have_the_power_to_declare/
{ "a_id": [ "dmavfqp", "dmavnnx", "dmaw3cj", "dmaww74" ], "score": [ 3, 8, 3, 3 ], "text": [ "Under the idea of checks and balances, the president can move troops and start or join a military conflict immediately if desired,, but without the approval of Congress, military c...
[]
[]
[ [], [], [], [] ]
1pbjrg
why do we see so many female intimate parts in non pornografic films, but see little to no male nakedness?
HBO series, I'm looking at you here. And well... All the other producers
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1pbjrg/why_do_we_see_so_many_female_intimate_parts_in/
{ "a_id": [ "cd0on4e", "cd0udv0" ], "score": [ 7, 5 ], "text": [ "Because film media, like many forms of art, objectifies the female form. Perhaps originating from a place of good intentions the female body since Greek sculpture has been deconstructed into parts and half-worshiped yet half...
[]
[]
[ [], [] ]
30cow4
why do cockroaches sometimes climb into people's ears?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/30cow4/eli5_why_do_cockroaches_sometimes_climb_into/
{ "a_id": [ "cpr6om3" ], "score": [ 2 ], "text": [ "As an insect they tend to like dark, damp, small, warm spaces. " ] }
[]
[]
[ [] ]
6o1una
why do we bother curing symptomless diseases?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6o1una/eli5_why_do_we_bother_curing_symptomless_diseases/
{ "a_id": [ "dkdwgl5", "dkdwj44", "dkdwr6w" ], "score": [ 4, 2, 2 ], "text": [ "There is no such thing as a symptomless disease. Having detrimental symptoms is part of the defintion of what classifies something as a disease. ", " As far as I know there is no such thing as a tru...
[]
[]
[ [], [], [ "https://en.wikipedia.org/wiki/Mary_Mallon" ] ]
ex1nbi
how exactly do amazon s3/hadoop/etc work?
How do they work and what makes them special?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/ex1nbi/eli5_how_exactly_do_amazon_s3hadoopetc_work/
{ "a_id": [ "fgeckca", "fg5spna" ], "score": [ 2, 8 ], "text": [ "Amazon sells a suite of different services that all boil down to \"you pay us money, we run this on our computers\".\n\nAmazon isn't special but it is convenient. They basically take anything someone wants and automates into...
[]
[]
[ [], [] ]
6zer3a
why certain cuisines are more famous than others?
For example, Italian and French cuisines are much more famous than the German or Scandinavian cuisine. Thai food is famous but it is less famous than Spanish food....etc what is the reason behind that?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6zer3a/eli5why_certain_cuisines_are_more_famous_than/
{ "a_id": [ "dmuoebp", "dmuqu3o", "dmusk9q" ], "score": [ 13, 6, 4 ], "text": [ "Someone I worked with asked me why the French are so important to cooking. I started asking him the names of the various items in our professional kitchen. Indeed a huge amount of them are French. You ...
[]
[]
[ [], [ "https://en.wikipedia.org/wiki/Haute_cuisine", "http://articles.chicagotribune.com/1992-10-01/entertainment/9203290487_1_french-cooking-la-cuisine-francaise-attitude" ], [] ]
8ad7bg
how can a single tweet from a celebrity cause a large company's stock price to fall?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8ad7bg/eli5_how_can_a_single_tweet_from_a_celebrity/
{ "a_id": [ "dwxpenb" ], "score": [ 3 ], "text": [ "Public opinion is (overly) influenced by the opinions of celebrities. So if a celebrity expresses a like or dislike for something, it could affect how much people want to give that company their money." ] }
[]
[]
[ [] ]
188ht5
when you are riding in a car, and you come next to a big truck or bus, and you are coming to a stop while the truck is moving, why does it feel like the car you're in is moving in reverse when you look at it?
Over the years, I have noticed this. I can be riding on a bus, or in a passenger seat of a car. Doesn't matter.. But when coming to a stop while looking at a large vehicle beside me, it feels like I am moving backwards. Is this just me? If not, why does this happen?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/188ht5/when_you_are_riding_in_a_car_and_you_come_next_to/
{ "a_id": [ "c8ckfmp" ], "score": [ 3 ], "text": [ "When you are next to a bus or truck, it fills the whole of the window, so the only thing you can see out the window is the bus or truck.\n\nIf you come to a stop, but the bus or truck is still moving, what you see out the window is that the *enti...
[]
[]
[ [] ]
ahjbj4
how do they generate unique mac addresses?
How do companies that make computer components generate unique MAC addresses? How do they make sure no other company is making a component with the same MAC address somewhere across the world?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/ahjbj4/eli5_how_do_they_generate_unique_mac_addresses/
{ "a_id": [ "eef23bq", "eef516c" ], "score": [ 9, 5 ], "text": [ "The first six characters of a MAC address are assigned to a manufacturer. Allocation is controlled by IEEE.\n\nAfter that it's up to the manufacturer to make sure they don't make duplicate devices.\n\nIn case you are curious...
[]
[]
[ [ "https://gist.github.com/aallan/b4bb86db86079509e6159810ae9bd3e4" ], [] ]
4cjbxd
if .9999 (cont.) is 1, then why can't an asymptote reach a point?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4cjbxd/eli5_if_9999_cont_is_1_then_why_cant_an_asymptote/
{ "a_id": [ "d1ipvij", "d1ipvkq" ], "score": [ 10, 4 ], "text": [ "0.999... isn't an asymptote.\n\n0.999... is a single number, which happens to be equal to 1.\n\nAn asymptote is a property of a curve, such as the graph of Y = 1/X. Curves are made up of many numbers, not just the one numbe...
[]
[]
[ [], [] ]
25g4w1
if the worlds ocean's are going to rise, could we takes that extra water out, desalinate it and put the extra water in valleys and canyons throughout the world (where there's no civilisation) and create giant freshwater lakes .
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/25g4w1/eli5_if_the_worlds_oceans_are_going_to_rise_could/
{ "a_id": [ "chgtfne", "chgtsro" ], "score": [ 4, 2 ], "text": [ "We could, but the question is whether the benefits outweigh the massive investment it would take: making said places waterproof, building the pipelines, not to mention the massive amount of energy necessary to desalinate so ...
[]
[]
[ [], [] ]
fq5v3g
what makes babies/young children prefer soft calm voices over deep manly voices?
I'm not talking like why do they not like screaming but I mean why do they prefer the softer type of voices?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/fq5v3g/eli5_what_makes_babiesyoung_children_prefer_soft/
{ "a_id": [ "flprb2j", "florqo7" ], "score": [ 2, 9 ], "text": [ "Somewhat off topic, but...\n\nI have a naturally loud voice; I'm a large guy with big lungs, big chest. It is genetic, really. A family trait.\n\nWhen I was dating, I realized I had to retrain my voice to speak to women diff...
[]
[]
[ [], [] ]
o9ike
a lot of people in the us want a governmental healthcare option. why can't we just make medicare an insurance option?
This might be too politically charged, but I really don't have an answer to this one.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/o9ike/eli5_a_lot_of_people_in_the_us_want_a/
{ "a_id": [ "c3fgumj", "c3fh2tg", "c3fh3p9", "c3fhngj", "c3fhwot", "c3fi1t1", "c3fijkt", "c3fj0za" ], "score": [ 23, 6, 4, 18, 2, 6, 2, 2 ], "text": [ "Because many people in the US don't think it's fair for the insurance companies to have to...
[]
[]
[ [], [], [], [], [], [], [ "http://en.wikipedia.org/wiki/RAND_Health_Insurance_Experiment", "http://canadaonline.about.com/od/healthcarewaittimes/Wait_Times_for_Health_Care_in_Canada.htm" ], [] ]
1rmglk
why does logic work?
When we conclude something because it's logical intuitively we know that it works. Because it's only logical, right? But what makes it such that the logical conclusion is the right one to derive? Why is it that a particular way of reasoning is logical when another particular way of reasoning is not? Lastly, is log...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1rmglk/eli5_why_does_logic_work/
{ "a_id": [ "cdoq0v3" ], "score": [ 3 ], "text": [ "Logic begins with a set of assumptions, called axioms. Axioms are considered self-evident and have no proof behind them. There are axioms in other fields too - math is probably the best example.\n\nAll of the rest of logic is built on top of the ...
[]
[]
[ [] ]
4fwdrz
why do (human) babies dance to music, but animals do not?
Sure it's adorable, but just what is going on here?? - [Babies Dancing Compilation](_URL_0_)
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4fwdrz/eli5_why_do_human_babies_dance_to_music_but/
{ "a_id": [ "d2cmhrf", "d2cqvc2" ], "score": [ 4, 2 ], "text": [ "Okay apparently I can't just post a [video](_URL_0_)\nI highly encourage you to watch this video of a dancing animal. We recently watched it in my animal behavior class during a discussion on if animals have fun.\n", "Hu...
[]
[ "https://www.youtube.com/watch?v=ZiV4KhvuQJw" ]
[ [ "https://www.youtube.com/watch?v=utkb1nOJnD4" ], [] ]
4dp9pf
if sleep takes up (around) a third of our lives, why haven't we devoted all of science to finding out how we could eliminate or replace it?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4dp9pf/eli5_if_sleep_takes_up_around_a_third_of_our/
{ "a_id": [ "d1t3ccu", "d1t3eiv", "d1t3zsj", "d1t5e1u", "d1t63j8", "d1t6fq9" ], "score": [ 2, 3, 14, 2, 5, 2 ], "text": [ "We have. Sleep research is a huge field. And for decades governments have experimented with drugs that can limit the need for sleep or ...
[]
[]
[ [], [], [], [ "http://www.scientificamerican.com/article/how-long-can-humans-stay/" ], [], [] ]
272wuf
why do balls like a rugby ball fly further when rotation is applied when throwing.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/272wuf/eli5_why_do_balls_like_a_rugby_ball_fly_further/
{ "a_id": [ "chwxkqw" ], "score": [ 11 ], "text": [ "When the football is 'spiraling' it resists moving in other directions, such as tumbling end-over-end or turning left/right. So this keeps the 'nose' of the ball facing in direction that makes it easiest to move through the air. It also keeps it...
[]
[]
[ [] ]
9g3jjh
with the harvesting and evaporation of salt, how do oceans contain their salt levels?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9g3jjh/eli5_with_the_harvesting_and_evaporation_of_salt/
{ "a_id": [ "e6163rj" ], "score": [ 2 ], "text": [ "Salt does not evaporate, luckily. If it did then it would rain on and kill most vegetation. As for harvesting, I believe harvesting the salt out of sea water is one of the most expensive ways to obtain salt. There are huge salt deposits around ...
[]
[]
[ [] ]
5rzeol
ok i'm confused. what does it mean when someone says they're jewish? is it a religion or a race?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5rzeol/eli5_ok_im_confused_what_does_it_mean_when/
{ "a_id": [ "ddbcoku", "ddbcskp" ], "score": [ 2, 2 ], "text": [ "It can mean either or both. Depending on the person and the context, \"Jewish\" can refer to ethnicity, culture, or religion.", "It is both a religion and an ethnic group. \n\nFor most of human history religions were non...
[]
[]
[ [], [] ]
3ckwa5
with the nyse closed due to technical issues, how are stocks like the dow and s & p continuing to fall?
Earlier today the New York Stock Exchange (as well as other sites) suffered a technical malfunction which caused the NYSE to come to a stand still. However, I saw on a CNN ticker that the stocks continued to drop, little by little. How is this possible?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3ckwa5/eli5_with_the_nyse_closed_due_to_technical_issues/
{ "a_id": [ "cswgzcz" ], "score": [ 2 ], "text": [ "The NYSE only handles about 30% of stock trades. The problem is inside their computer systems, so the other exchanges aren't affected. Presumably orders are just going someplace that isn't down." ] }
[]
[]
[ [] ]
fs3q3s
what wjll happen if a hacker know my public ip address and i have an open port for a server?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/fs3q3s/eli5_what_wjll_happen_if_a_hacker_know_my_public/
{ "a_id": [ "flz9562", "flz9ids" ], "score": [ 2, 3 ], "text": [ "He cannot do much if he's not a professional maybe DDOS you causing your internet to cut off for a couple of minutes.", "An IP is an address to a house and ports are doors into rooms (programs) of said house. If the prog...
[]
[]
[ [], [] ]
3xhwno
how was it legal for us politicians to vote through the recent bill?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3xhwno/eli5_how_was_it_legal_for_us_politicians_to_vote/
{ "a_id": [ "cy4qslw", "cy4qv75" ], "score": [ 4, 2 ], "text": [ "How would it not be legal?\n\nCongress is the body that makes our laws. They are suppose to represent the American people, but there is not legal requirement for them to do so. The check against them is that you do not elect...
[]
[]
[ [], [] ]
a3h2qv
- how do hose attachments work? why doesn’t the water pressure affect anything?
You know those attachments you can use with water hoses to change how the water is released? If water is constantly being fed into the hose, why doesn’t the water pressure build up and blow the attachment off? How does it just release water when you want it to?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/a3h2qv/eli5_how_do_hose_attachments_work_why_doesnt_the/
{ "a_id": [ "eb64jmu", "eb657bb", "eb68918" ], "score": [ 3, 8, 2 ], "text": [ "Pressure will only build up until the pressure in the hose is equal to the pressure of the water supply (ignoring a small contribution from gravity). After that, water stops flowing. Same reason as w...
[]
[]
[ [], [], [] ]
6v1v1d
digestion takes about six to eight hours through your stomach and small intestine. food then enters your large intestine for further digestion. what happens when you eat something bad, and all this is reduced to minutes?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6v1v1d/eli5_digestion_takes_about_six_to_eight_hours/
{ "a_id": [ "dlx39oj", "dlx480q", "dlx6g9v", "dlx79ud", "dlx8vdx", "dlx9afl", "dlx9v1t", "dlxbcjg", "dlxgt7y", "dlxnyfq", "dlxszwh" ], "score": [ 4, 31873, 2223, 1030, 712, 7, 168, 93, 10, 6, 4 ], "text": [ "Your stoma...
[]
[]
[ [], [], [], [ "https://www.reddit.com/r/explainlikeimfive/comments/wijcl/eli5_if_the_average_digestion_process_takes_about/", "https://www.reddit.com/r/explainlikeimfive/comments/2zyf5a/eli5_why_does_diarrhea_come_so_quickly_when_food/" ], [], [], [], [], [], [], [] ]
7fckc7
what does it mean when economists speak of "stagnant wages relative to inflation"?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7fckc7/eli5_what_does_it_mean_when_economists_speak_of/
{ "a_id": [ "dqaxovu", "dqaxwcu", "dqaz1qp", "dqazgcq", "dqbfmuv" ], "score": [ 8, 2, 2, 8, 2 ], "text": [ "Say inflation is 2% a year and you made $100 this year. Then you make $102 next year, a 2% raise. \n\nWell because of inflation despite your raise, your incom...
[]
[]
[ [], [], [], [], [] ]
8xqc7v
why do males lose attraction and interest in there partner after ejaculation?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8xqc7v/eli5_why_do_males_lose_attraction_and_interest_in/
{ "a_id": [ "e24sbuk", "e24smjt" ], "score": [ 4, 2 ], "text": [ "Are you still hungry after you eat, do you stay there and stare at the empty plate? Same thing.", "It's like leaving work for some. When the job is finished, why hang around the office? \nBtw, not all males are this way....
[]
[]
[ [], [] ]
3st9oj
signatures, how does 1. it bind me to an agreement 2. how does one prove it's actually your signature 3. what stops someone from forging my signature by being close enough and 4. what if i start writing my signature differently? is it still valid?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3st9oj/eli5_signatures_how_does_1_it_bind_me_to_an/
{ "a_id": [ "cx06e3c", "cx06xzf", "cx06za6", "cx0716v", "cx0kfa4" ], "score": [ 2, 29, 14, 2, 2 ], "text": [ "1. It's tradition, really. Signatures aren't terribly secure, but they have been recognized as legally binding for hundreds of years.\n\n2. Graphoanalysis. ...
[]
[]
[ [], [], [], [], [] ]
3fq6c8
why do stock market corrections (of over 10%) repeatedly occur?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3fq6c8/eli5why_do_stock_market_corrections_of_over_10/
{ "a_id": [ "ctqxi7z" ], "score": [ 2 ], "text": [ "A large rise in stock price usually occurs when the noted Company beats it's earnings estimate for the quarter, it's called an earnings surprise, and the stock usually moves higher. \n\nAlso, if a company releases earnings below these estimates i...
[]
[]
[ [] ]
2sd0ql
why is it that europeans explored the world more than anyone else on other continents?
Europeans pretty much colonized the Americas, and parts of Africa. Why didn't the Asians try to explore more of the world? Or they did and was killed off by the Europeans? Note: why I only mentioned Asians and Europeans because they seem to be the move advanced during that time.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2sd0ql/eli5_why_is_it_that_europeans_explored_the_world/
{ "a_id": [ "cnocb5r", "cnoccjo" ], "score": [ 8, 3 ], "text": [ "You're ignoring the Polynesians, who spread from Malaysia to South America, colonized every habitable island in the Pacific, by 1300AD, before Europeans knew anything about anything. \n\nReally, the reason that Europeans did...
[]
[]
[ [], [] ]
8z80qf
why does the first amendment allow you to photograph/video record cops?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8z80qf/eli5_why_does_the_first_amendment_allow_you_to/
{ "a_id": [ "e2gs5h5", "e2gsmy7", "e2gsncf", "e2gzd6m" ], "score": [ 11, 8, 3, 4 ], "text": [ "Because the First Amendment protects all kinds of expression (i.e. speech) and being able to record things in public (for later use in an expressive act) is an underlying aspect r...
[]
[]
[ [], [], [], [] ]
2bf92n
why do so many americans still constantly brag that "we are the greatest country on earth!!!!"
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2bf92n/eli5_why_do_so_many_americans_still_constantly/
{ "a_id": [ "cj4qlj2", "cj4qmi4", "cj4qp63", "cj4qpf0", "cj4quaa", "cj4r448" ], "score": [ 2, 2, 2, 2, 2, 2 ], "text": [ "I never hear it in my corner of the country. I think it depends where you live. People get more into America in some parts than others",...
[]
[]
[ [], [], [], [ "http://x1.fjcdn.com/comments/Here+s+a+wallpaper+of+the+first+image+_10abd524d1de401aa7cc13d40163c86f.jpg" ], [], [] ]
13eak3
why do deficits matter? why can't a country just keep lending indefinitely?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/13eak3/why_do_deficits_matter_why_cant_a_country_just/
{ "a_id": [ "c736zue", "c7370lq" ], "score": [ 3, 2 ], "text": [ "If a country is running a deficit, it's not lending, it's borrowing. Borrowers don't get to decide whether money will be lent - the lenders do.\n\nAs deficits get bigger and bigger, confidence in the ability to repay shrinks...
[]
[]
[ [], [] ]
d7b1pk
how much do fast food & pizza delivery drivers get paid, who pays for gas, who pays repairs?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/d7b1pk/eli5_how_much_do_fast_food_pizza_delivery_drivers/
{ "a_id": [ "f0yqff7", "f0yrlav" ], "score": [ 3, 3 ], "text": [ "Some places allow them to be paid less than minimum wage. Due to the way labor laws work. If the job receives tips then the tips make up the rest of the pay (regardless if the person makes a lot or a little). If its a compan...
[]
[]
[ [], [] ]
3mg9kk
how do people know what things mean in binary when there's no spaces?
If 0110010 means something, and 000011101 means something else, how can both be identified as 2 individual objects when 0110010000011101 means something entirely different?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3mg9kk/eli5how_do_people_know_what_things_mean_in_binary/
{ "a_id": [ "cvep4jn", "cvep5ul", "cvepe8n", "cvepzur", "cvf5x5t" ], "score": [ 5, 3, 3, 2, 2 ], "text": [ "That's a great question! Computers have standard number lengths, called a byte. Currently, we're using 8 digits, so a computer would know that 1111111100000...
[]
[]
[ [ "https://en.wikipedia.org/wiki/Bush_hid_the_facts" ], [], [], [ "https://en.wikipedia.org/wiki/ASCII", "https://en.wikipedia.org/wiki/UTF-8", "https://en.wikipedia.org/wiki/List_of_binary_codes" ], [] ]
7tvgxd
more people learn french as a 2nd language than chinese, spanish and german combined; why is french so popular?
According to [this article](_URL_0_) (see chart #7), 82 million people learn French as a ~~2nd~~ learned (as opposed to native) language, far more than any other language, except for English. Why are so many attempting to learn French?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7tvgxd/eli5_more_people_learn_french_as_a_2nd_language/
{ "a_id": [ "dtfiavj", "dtficpi", "dtfjcsq", "dtfkdfb", "dtfw3n8", "dtfym3u", "dtfz3gy", "dtfzpqf" ], "score": [ 2, 4, 23, 8, 3, 2, 2, 2 ], "text": [ "As a native french speaker I fail to see the reason behind this. The only french speaking p...
[]
[ "https://www.washingtonpost.com/news/worldviews/wp/2015/04/23/the-worlds-languages-in-7-maps-and-charts/?utm_term=.4308d3ba9526" ]
[ [], [], [], [], [], [], [], [] ]
44ed79
how did disney become so big?
What about Disney made them so big? Did it really all start with Disneyland or did another company absorb them and too their name? Thanks!
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/44ed79/eli5_how_did_disney_become_so_big/
{ "a_id": [ "czpmo1k", "czpr8rj" ], "score": [ 6, 3 ], "text": [ "They were an extremely popular animation studio for DECADES before Disneyland opened up. Walt Disney was a pretty visionary filmmaker, and he knew that technology was key to making animation believable- he worked with a lot ...
[]
[]
[ [], [ "https://en.wikipedia.org/wiki/List_of_assets_owned_by_Disney", "https://en.wikipedia.org/wiki/The_Walt_Disney_Company#Company_divisions_and_subsidiaries" ] ]
782rgj
why so many videogames have the "glitching through surface and shaking furiously" bug and why does it happen?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/782rgj/eli5_why_so_many_videogames_have_the_glitching/
{ "a_id": [ "doqjp56", "doqk5s4" ], "score": [ 6, 2 ], "text": [ "It's a result of a game's physics engine trying to approximate things \"bouncing off\" each other when they're trapped.\n\nSo first what happens is the objects clip through each other, due to one of ten billion possible bugs...
[]
[]
[ [], [] ]
g1vchk
how do airplanes measure the speed they’re travelling at?
I would also like to know how boats do it too if anyone can answer that also? Sorry, they’re probably very simple answers.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/g1vchk/eli5_how_do_airplanes_measure_the_speed_theyre/
{ "a_id": [ "fnhtid0", "fnhv7a1" ], "score": [ 7, 6 ], "text": [ "There are multiple answers. Virtually all involve distance/time calculations.\n\n* GPS\n* Air flowing into sensors\n* Inertial tracking\n* LORAN (radio navigation)\n* Radar/transponders\n\nYou could also go old-school and sa...
[]
[]
[ [], [] ]
7kiafq
is it still hotter under a blanket when there's no heat source?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7kiafq/eli5_is_it_still_hotter_under_a_blanket_when/
{ "a_id": [ "dreksqs" ], "score": [ 2 ], "text": [ "No, the blanket has no method of generating heat. It can only prevent from some other source from moving through." ] }
[]
[]
[ [] ]
24a6r7
why do i need to dial nine to call people outside of my company building?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/24a6r7/eli5_why_do_i_need_to_dial_nine_to_call_people/
{ "a_id": [ "ch53dhp", "ch53jiv", "ch53ou4", "ch540yb" ], "score": [ 4, 8, 6, 3 ], "text": [ "'9' is just the standard number to tell your Business Telephone System that the number you are about to dial is not an internal number but an external one.\n\nIt just tells your ph...
[]
[]
[ [], [], [], [] ]
28qvxl
why can skinny people eat junk and not gain weight like i do?
I have this conception that slim people can eat as much as they like and not gain weight. Why, how come? IS this true or is it just some misconception? Some of my friends are SKINNY and lean men in their 20s and they say that they can eat junk and not gain weight. What happens in them that doesnt happen in me? Thi...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/28qvxl/eli5_why_can_skinny_people_eat_junk_and_not_gain/
{ "a_id": [ "cidke5a", "cidmqqe", "cidnalj" ], "score": [ 24, 5, 2 ], "text": [ "Wow, there's a lot of wrong answers and anecdotal evidence in this thread.\n\nThe answer is what you suspected - it is a misconception. These people who are eating \"whatever they want\" and not gainin...
[]
[]
[ [], [], [] ]
2bdbwj
why exactly does ejaculation make you lose motivation/feel lazy afterwards?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2bdbwj/eli5_why_exactly_does_ejaculation_make_you_lose/
{ "a_id": [ "cj47z9v", "cj4a8b1", "cj4al2s" ], "score": [ 19, 3, 5 ], "text": [ "This is related to the reason that male's typically end sexual intercourse immediately after ejaculation whilst women can orgasm multiple times over and over in the one bout.\n\nSome scientists believe...
[]
[]
[ [], [], [] ]
43s9jn
what happens to o'malley's votes now he's dropped out?
Just curious since it just happened and I haven't heard a good explanation yet.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/43s9jn/eli5_what_happens_to_omalleys_votes_now_hes/
{ "a_id": [ "czkjy7r" ], "score": [ 2 ], "text": [ "If O'Malley gets any Iowa state delegates, they are formally speaking still pledged to him. It does happen that delegates pledged for candidates that have dropped out will vote against their pledge, especially if the ex-candidate supports another...
[]
[]
[ [] ]
6ddrn5
how do beer companies know the exact percentage of alcohol in their beer?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6ddrn5/eli5_how_do_beer_companies_know_the_exact/
{ "a_id": [ "di1w42f", "di1wvrp" ], "score": [ 12, 3 ], "text": [ "In the home brewing world, you take a density reading of the liquid, typically using a hydrometer, and get what is known as an original gravity number. With water having a specific gravity, or density of 1.000, your brew wo...
[]
[]
[ [], [ "https://en.wikipedia.org/wiki/Hydrometer", "https://www.brewersfriend.com/abv-calculator/" ] ]
60c1ef
when something claims to be water resistant up to 50 meters, what happens after 50 meters?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/60c1ef/eli5_when_something_claims_to_be_water_resistant/
{ "a_id": [ "df53mtd", "df54zwt", "df55qv0" ], "score": [ 14, 2, 4 ], "text": [ "The pressure of the water at that point would overcome any sort of resistance. The deeper down you go... The more water pressure is experienced. ", "Pressure increases with increase in depth, at 50...
[]
[]
[ [], [], [] ]
smb1h
about "order of magnitude" and what does that mean
Whenever I see "more than an order of magnitude increase" or such, I have no clue what they're talking about or how much. How do you calculate that? is it always the same? is there a conversion table or something?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/smb1h/eli5_about_order_of_magnitude_and_what_does_that/
{ "a_id": [ "c4f54un", "c4f576k", "c4f8hkd" ], "score": [ 10, 2, 3 ], "text": [ "One order of magnitude generally means 10 times greater/less with two orders of magnitude meaning 100 (a.k.a 10^2 ) times and three 1000 (a.k.a. 10^3 ) times and so on logarithmically.\n\nThere are mor...
[]
[]
[ [], [], [] ]
1j4gw9
why does congress pray before each session, and why do we swear to tell the truth with our hands on a bible in court, if there is a "separation of church and state"?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1j4gw9/eli5eli5why_does_congress_pray_before_each/
{ "a_id": [ "cbb01py", "cbb0hjs" ], "score": [ 8, 2 ], "text": [ "I would assume tradition. You don't have to though. One guy was sworn in on a Quran; one on a famous science text. You can pick. ", "You don't actually have to use a bible and not every court does, and the oath is ge...
[]
[]
[ [], [] ]
34sl1c
why muslim's hate pictures of mohammed enough to kill over it.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/34sl1c/eli5_why_muslims_hate_pictures_of_mohammed_enough/
{ "a_id": [ "cqxpat7", "cqxpbdi", "cqxph1x" ], "score": [ 13, 3, 5 ], "text": [ "\"Muslim's\" don't. There's no specific prohibition of it in the Qu'ran and in many countries they're absolutely fine with it.\n\nSome muslims are of the *opinion* that it encourages idolatry and false...
[]
[]
[ [], [], [] ]
25hb9f
would it be realistic and practical to feature placebos within modern day medicine?
You hear of placebos being given all the time back in the 19th and 20th century, but is it feasible to have them within our modern day medicine?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/25hb9f/eli5_would_it_be_realistic_and_practical_to/
{ "a_id": [ "chh5in8", "chh5nqx", "chh5vn5", "chh6lzg", "chh7jg5", "chh8x9w" ], "score": [ 4, 5, 24, 2, 2, 3 ], "text": [ "We do, normally given to people who are hypochondriacs in order to differentiate real symptoms from fake ones.\n\nThe term \"placebo\" ...
[]
[]
[ [], [], [], [], [ "http://www.uchospitals.edu/news/2008/20080103-placebo.html" ], [] ]
64bowk
sleep studies. how do they work?
What goes on during a sleep study? Do they induce sleep? What if you just can't fall asleep? I'm very interested in knowing everything about it.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/64bowk/eli5_sleep_studies_how_do_they_work/
{ "a_id": [ "dg0y09u", "dg0zv9c" ], "score": [ 2, 3 ], "text": [ "You have to fall asleep on your own. You go in at early evening, they spend about an hour attaching electrodes to your head and body. These all feed back to a control room where they monitor you the whole time. You usually o...
[]
[]
[ [], [] ]
koy8c
why isn't a vacuum created in my body when i fart?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/koy8c/eli5_why_isnt_a_vacuum_created_in_my_body_when_i/
{ "a_id": [ "c2lznrk", "c2lzuk0", "c2lznrk", "c2lzuk0" ], "score": [ 6, 4, 6, 4 ], "text": [ "Vacuums would only be created with rigid bodies.\n\nWhen you fart it's more like popping bubble wrap; Your stomach compresses rather than having a vacuum.", "Fart happens due t...
[]
[]
[ [], [], [], [] ]
1s7908
what are evolutionary algorithms and could they ever be used to make programmer's obsolete
Basically a friend and I were having a discussion about whether we would ever have self-writing software. He argued that through evolutionary algorithms the role of a programmer would change from writing entire software to writing just a fitness function which would then have the algorithm create the entire piece of so...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1s7908/eli5_what_are_evolutionary_algorithms_and_could/
{ "a_id": [ "cdum3fk" ], "score": [ 3 ], "text": [ "Basically, instead of directly creating an algorithm, we can use an evolutionary algorithm to create algorithms, along with some sort of function to determine if the algorithms it has created are any good. \n\n[Here is an example](_URL_0_). We ha...
[]
[]
[ [ "http://rednuht.org/genetic_cars_2/" ] ]
3q8ahi
why does the usa sell plastic bottles of coke and pepsi. but my local mexican market sells it in glass?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3q8ahi/eli5_why_does_the_usa_sell_plastic_bottles_of/
{ "a_id": [ "cwcyfcn", "cwcyzqd", "cwczm0e", "cwd3h4c", "cwd4ily", "cwd5i65", "cwd5ia6", "cwd6n2e", "cwd70q5", "cwd7eai", "cwd7gps", "cwd8rdy", "cwd94wo", "cwd9863", "cwd9mpb", "cwdap73", "cwdc5od", "cwddgsy", "cwde9ff", "cwdeft1", "c...
[]
[]
[ [], [ "https://www.reddit.com/r/explainlikeimfive/comments/1r65h7/eli5_why_does_soda_from_poorer_countries_like/" ], [], [], [], [], [], [], [], [], [], [ "http://www.tesco.com/groceries/product/details/?id=252202871" ], [], [], [], [], [], [], [], [], [], [] ]
cq0c5h
what is planck era?
the world alone blows my mind. just today i was reading a book and came across this word tho the book didnt explain much, merely mentioned this word. thanks in advance bros, keep rocking! edit: i would highly appreciate it if someone could explain it in details i really wanna learn this cosmology stuff.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/cq0c5h/eli5_what_is_planck_era/
{ "a_id": [ "ewst7xm" ], "score": [ 5 ], "text": [ "The Planck Era is basically the closest to the big bang we can trace back to. It describes the period of time between the beginning of the big bang to about 10^-43 seconds (If I remember correctly) after it. It was a very very short, but very ver...
[]
[]
[ [] ]
1yg29s
c++ non-stl linked lists
I really want to understand Linked Lists better. I feel like I get the idea behind them but not the logic any advice/explanations out there?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1yg29s/eli5c_nonstl_linked_lists/
{ "a_id": [ "cfk5vkj", "cfk5wgm" ], "score": [ 2, 2 ], "text": [ "Think of it as a chain of people holding hands. The first person is the \"head,\" and the last person is the \"tail.\" In circular linked lists the tail joins/links back to the head.\n\nEach object has a pointer to the next ...
[]
[]
[ [], [] ]
2lsdw6
why don't cell phones have dial tones like wired phones do? what is the dial tone for?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2lsdw6/eli5_why_dont_cell_phones_have_dial_tones_like/
{ "a_id": [ "clxonam", "clxosln", "clxqmkm", "clxsz18", "clxtim4" ], "score": [ 20, 2, 5, 3, 2 ], "text": [ "The dial tone in land lines is the original current that you use to dial with. Its an analogue system that then uses diifferent tones to tell the exchange ho...
[]
[]
[ [], [], [], [], [] ]
d5pi74
why is whole wheat bread better than white bread if it still has sugar and preservatives?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/d5pi74/eli5_why_is_whole_wheat_bread_better_than_white/
{ "a_id": [ "f0nb1dn", "f0ni9bw" ], "score": [ 9, 3 ], "text": [ "Whole wheat bread has much more fiber than white bread. It also has more protein, vitamin E, vitamin B6, potassium and magnesium.", "Eating whole grains, not processed bread of any kind, is generally the healthy choice. ...
[]
[]
[ [], [] ]
23ops6
how do people in space get back to earth?
Ok, this just randomly crossed my mind in school. When they're in space how do they get back to earth? Once they enter earth's atmosphere to go back to earth, they're going really fast. I'm curious on how they get back. So a couple questions. How do they get back? How do they know where to land?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/23ops6/eli5_how_do_people_in_space_get_back_to_earth/
{ "a_id": [ "cgz1z5t" ], "score": [ 3 ], "text": [ " > When they're in space how do they get back to earth?\n\nTheir spacecraft has some sort of re-entry module.\n\n > Once they enter earth's atmosphere to go back to earth, they're going really fast. \n\nAir resistance prevents the spacecraft fr...
[]
[]
[ [] ]
3kv5bc
why space launches always start from a stand still position?
Wouldn't it be easier to launch it in the same way jets or other aircraft take off?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3kv5bc/eli5_why_space_launches_always_start_from_a_stand/
{ "a_id": [ "cv0sdxb", "cv0sq3q", "cv0tblh", "cv11f68" ], "score": [ 2, 4, 5, 2 ], "text": [ "It makes things much more complicated (and therefore expensive and failure-prone), and doesn't significantly decrease the necessary fuel. Most of the energy is spent getting the ro...
[]
[]
[ [], [ "http://i.ytimg.com/vi/tyBg8UfTdA8/maxresdefault.jpg", "http://img12.nnm.me/6/f/b/9/4/c13d513117886d79fe3656b7355.jpg" ], [ "https://en.wikipedia.org/wiki/North_American_X-15", "https://en.wikipedia.org/wiki/SABRE_(rocket_engine\\)", "https://en.wikipedia.org/wiki/Pegasus_(rocket\\)"...
3m9ppp
what would actually happen if you were unprotected, naked, in the vaccum of space?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3m9ppp/eli5_what_would_actually_happen_if_you_were/
{ "a_id": [ "cvd7lof" ], "score": [ 6 ], "text": [ "The most serious dangers of exposure to outer space are a lack of oxygen and ebullism. Ebullism is the formation of bubbles in body fluids due to a reduction in ambient pressure. The pressure in the vacuum of space is so low that the boiling poin...
[]
[]
[ [] ]
1z0804
can someone ease breakdown reddit's calculations for karma?
So I admit that I'm a bit novice at reddit but I have submitted some posts and I don't understand the Karma I receive. Just yesterday I uploaded a picture that received 7 up votes. However, my link karma only went up 3 points. Also, a few days ago someone commented on a post and my comment karma didn't go up. I don't u...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1z0804/eli5_can_someone_ease_breakdown_reddits/
{ "a_id": [ "cfplmob" ], "score": [ 3 ], "text": [ "Your karma is the sum up upvotes minus downvotes for submissions. Self posts (like this one) are not included.\n\nComment karma is the sum up upvotes & downvotes for your comments.\n\nThe number of comments replying to you doesn't enter into a...
[]
[]
[ [] ]
bwdk1l
is it more efficient to walk in a staircase-like pattern, or “down and across”?
I live in a city and, like most cities, it’s pretty much a grid. My daily destination is the exact opposite location of where I live. I was interested in knowing which method of walking will save me the most time, or if it matters at all?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/bwdk1l/eli5_is_it_more_efficient_to_walk_in_a/
{ "a_id": [ "epwt0qn", "epwt3o4", "epwtifs", "epwuzih" ], "score": [ 7, 5, 14, 3 ], "text": [ "Distance should be pretty much the same in this scenario, I think the main difference in time would be the crossings and how busy each route is at the time that you use it", "...
[]
[]
[ [], [], [ "https://en.wikipedia.org/wiki/Taxicab_geometry", "https://en.wiktionary.org/wiki/Manhattan_distance" ], [] ]
9mqnim
what exactly do electrons do around the nucleus?
I keep seeing different veiws on this online. Some say electrons orbit or move around the nucleus (this is what most learned in school including yourstruly). Others say "no they simply exist in "probability" clouds or orbitals". Yet others also say, they are "particles spread out over a complicated three-dimension...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9mqnim/eli5_what_exactly_do_electrons_do_around_the/
{ "a_id": [ "e7gkdrv", "e7gkt9f" ], "score": [ 11, 4 ], "text": [ "It's *literally impossible* to know both exactly where an electron is and exactly which direction it's going at the same time. \n\nWe don't know what electrons do around a nucleus. We do know that they're far more likely to...
[]
[]
[ [], [] ]
3remam
how good artists copy, but great artists steal?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3remam/eli5_how_good_artists_copy_but_great_artists_steal/
{ "a_id": [ "cwnds1x", "cwnfdun" ], "score": [ 2, 8 ], "text": [ "Nothing is entirely new, but level to which part of past ideas are recombined in new ways is the difference between good and great art. ", "The metaphor is a little misleading.\n\nWhen an artist is \"copying\" people can...
[]
[]
[ [], [] ]
3ogsoa
why do cars still use the old cigarette power outlet as opposed to a 2 prong power outlet
I understand that some cars do come with the 2 prong outline but why isn't the entire industry
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3ogsoa/eli5_why_do_cars_still_use_the_old_cigarette/
{ "a_id": [ "cvx15q6", "cvx1qbr", "cvxeqgl" ], "score": [ 11, 6, 4 ], "text": [ "Those sockets are running Direct Current, what the entire power system uses in automobiles. Our Alternating Current devices would not run without converter$.", "The car's battery produces only 12-...
[]
[]
[ [], [], [] ]
f874ax
what is the relevance of back emf of a motor and the function of a motor in relation to lenz's law and the law of conservation of energy?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/f874ax/eli5_what_is_the_relevance_of_back_emf_of_a_motor/
{ "a_id": [ "fik42ex" ], "score": [ 3 ], "text": [ "Back EMF is more or less the impedance of the motor under load. At standstill, there is only the resistance of the wire. When an AC field in the armature creates an alternating magnetic field that cuts across the elements of the rotor, it induces...
[]
[]
[ [] ]
9n4d3h
how can we tell the direction audio is coming from?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9n4d3h/eli5_how_can_we_tell_the_direction_audio_is/
{ "a_id": [ "e7jj0sm", "e7jj29y" ], "score": [ 2, 3 ], "text": [ "The mechanism is imperfect, but we tell by noticing how the sound is subtly different depending on how it hits our ears. (It reflects off those extremely complex ear surfaces we have evolved.)\n\nAlso, we just turn our head ...
[]
[]
[ [], [] ]
t9ue5
what is the big deal with red velvet anything?
I've noticed recently everywhere is advertising red velvet cupcakes, cakes, crepes, etc. and it just seems like a a huge marketing scam. Anyone care to clarify the "specialness" of red velvet?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/t9ue5/eli5_what_is_the_big_deal_with_red_velvet_anything/
{ "a_id": [ "c4krzz1", "c4ksc8y" ], "score": [ 7, 5 ], "text": [ "Red velvet cake screws with people's heads. It's really just very moist cocoa-flavored cake with a cream cheese frosting, but the red coloring confuses them so they don't necessarily associate the taste with chocolate. Most ...
[]
[]
[ [], [] ]
azmwrl
if a person's lung size cannot increase, how does exercise serve to improve lung function?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/azmwrl/eli5_if_a_persons_lung_size_cannot_increase_how/
{ "a_id": [ "ei8vmh6" ], "score": [ 4 ], "text": [ "While the size of your lung cannot increase, both the coordination of your inspiratory/expiratory muscles as well as oxygen ventilation/perfusion efficiency can. " ] }
[]
[]
[ [] ]
7gjw7d
why do babies survive injury so well?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7gjw7d/eli5_why_do_babies_survive_injury_so_well/
{ "a_id": [ "dqjn35n", "dqjneym" ], "score": [ 3, 2 ], "text": [ "Babies bones aren't as brittle as their older counterparts because they haven't been as calcified through ossification (hardening of bone).", "Some are even just cartilage like the knee caps till they are older. They are...
[]
[]
[ [], [] ]
5fk4tv
dream length
Why can you sleep for ten hours, but have a dream feel like it lasted ten minutes. Shouldn't your dreams feel longer if you sleep longer, and why do most dreams feel so short?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5fk4tv/eli5_dream_length/
{ "a_id": [ "dakt6r8" ], "score": [ 2 ], "text": [ "You don't spend the entire time you're asleep dreaming.\n\nThere's several different brain states while you're snoozing, and the ones where people report experiencing dreams can actually take a while to reach. So your long snooze may really have ...
[]
[]
[ [] ]
n7bmi
how our planet would react if the object next to mercury is an indeed alien spacecraft?
Will we panic and become extremely defensive? Or will we try to communicate with the alien species?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/n7bmi/eli5_how_our_planet_would_react_if_the_object/
{ "a_id": [ "c36tkqs", "c36tpt8", "c36tuy7", "c36tkqs", "c36tpt8", "c36tuy7" ], "score": [ 2, 3, 3, 2, 3, 3 ], "text": [ "Any aliens with technology to travel between stars would probably also have weapons that could wipe us out. But, they would also have no...
[]
[]
[ [], [], [], [], [], [] ]
39nsxd
why is rachel dolezal identifying as black considered a negative thing? is her racial identity that much different from a transgendered person identifying as a different gender?
Genuinely curious, sorry if this is an ignorant question. Thank you!
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/39nsxd/eli5_why_is_rachel_dolezal_identifying_as_black/
{ "a_id": [ "cs4wcdw", "cs4wwzy", "cs4x40a", "cs500qa", "cs5510u" ], "score": [ 23, 10, 10, 5, 2 ], "text": [ "The main issue appears to be that she (allegedly) *doesn't* identify as black, and merely lied about her race to further her career. She even presented a ...
[]
[]
[ [], [], [], [], [] ]
2bnkzp
why is that words like modernize, minimize, maximize, etc, americans spell with a z and europeans spell with an s, but words like advertise or exercise we still spell with an s?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2bnkzp/eli5_why_is_that_words_like_modernize_minimize/
{ "a_id": [ "cj73nau" ], "score": [ 7 ], "text": [ "[The theoretical reason is that -ize and -ise endings are about cleaning up words of Greek origin. Words that aren't Greek weren't changed.](_URL_1_)\n\nSo exercise, from the Latin exercitium, meaning to train, keeps the -ise while realize, from ...
[]
[]
[ [ "http://www.merriam-webster.com/info/spelling-reform.htm", "http://en.wikipedia.org/wiki/American_and_British_English_spelling_differences#-ise.2C_-ize_.28-isation.2C_-ization.29" ] ]
2nxs7p
when you are applying thermal paste onto your processor, why isn't the more the merrier?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2nxs7p/eli5_when_you_are_applying_thermal_paste_onto/
{ "a_id": [ "cmhv6ga", "cmhvdeh" ], "score": [ 4, 13 ], "text": [ "All that the thermal compound is for is to fill in the tiny scratches in both the processor and the heatsink plate to create a smaller gap or no gap which improves the cooling efficiency. So if too much is applied you are c...
[]
[]
[ [], [] ]
3ndchr
why democrats and republicans are so called, when both parties are in favor of democracy and republic?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3ndchr/eli5why_democrats_and_republicans_are_so_called/
{ "a_id": [ "cvmzpli" ], "score": [ 7 ], "text": [ "**Because** everyone is in favor of democracy and republic. So that name isn't objectionable to anyone, so you have the broadest possible appeal.\n\nThe names are historic. The republicans formed in opposition to the democrats largely over the ...
[]
[]
[ [] ]
5q7ued
why is it easier to see physical differences in your own race vs other races?
Of course not all look the same of a different race, but it's easier to see many more variants of facial features of your own race. It my experience, the more people of that race that I'm around the more variants of facial features I can see.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5q7ued/eli5_why_is_it_easier_to_see_physical_differences/
{ "a_id": [ "dcx4nyj" ], "score": [ 7 ], "text": [ "Basically you tend to notice and remember just the details you really need to remember things. If you only know one black person or one Asian person or whatever, you don't really need to remember anything else. Your brain just kinda goes \"Matt i...
[]
[]
[ [] ]
2sqa2c
with the current feasibility of space travel and habitable planets increasing, when a planet is "colonized" how are the land rights allocated?
First come first served? Or allocated per population size. And once that has been decided, what are the reasonable chances of enforcing them?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2sqa2c/eli5_with_the_current_feasibility_of_space_travel/
{ "a_id": [ "cnrvgny", "cnrvles", "cnrvxz8" ], "score": [ 10, 6, 3 ], "text": [ "That hasn't been decided yet. But, if it follows like any past discovery of new land, then whoever can first put a military force on a new piece of land and defend it from others will be considered to ...
[]
[]
[ [], [], [] ]
2bj2t0
why does youtube stop the view count at ~300 views on popular videos and then updates it later?
...yet the like count keeps going?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2bj2t0/eli5_why_does_youtube_stop_the_view_count_at_300/
{ "a_id": [ "cj5t300", "cj5t5wl", "cj5t606", "cj5ta6e" ], "score": [ 11, 2, 2, 4 ], "text": [ "This question has been asked many times before, but not recently so I'll help ya out.\n\nIt stops at 301+ because YouTube automatically audits the views on a video at 301. The vi...
[]
[]
[ [], [], [], [ "http://www.youtube.com/watch?v=oIkhgagvrjI" ] ]
108wby
kant's categrocial imperative.
What's it all about?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/108wby/eli5_kants_categrocial_imperative/
{ "a_id": [ "c6bk9bu" ], "score": [ 2 ], "text": [ "It is only moral to behave in a way which if everyone behaved that way would be a net good.\n\nWhat it gets rid of in ethics is the special pleading of small impacts. Think about movie piracy. You've heard the old \"well, okay, but I wouldn't h...
[]
[]
[ [] ]
66p558
what impact has/will the detonation of the 1000+ nuclear bombs detonated during the cold war, and all those since, have/had on the environment.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/66p558/eli5_what_impact_haswill_the_detonation_of_the/
{ "a_id": [ "dgk5n7m", "dgk5r09", "dgk6cdh", "dgkc2tl" ], "score": [ 11, 2, 3, 2 ], "text": [ "Imagine you are in a big ball pit just like the one in this picture _URL_0_. Then you do a wee wee in the ball pit. Imagine that the wee wee is nuclear fallout.\n\nNow imagine tha...
[]
[]
[ [ "http://vignette1.wikia.nocookie.net/joke-battles/images/f/f3/Ball_Pit.jpg/revision/latest?cb=20151220220107" ], [], [], [ "https://en.wikipedia.org/wiki/Low-background_steel" ] ]
31i6rm
why do so many people in the usa get arrested for resisting arrest? surely you need to be arrested for something else first in order to resist.
I know that in the UK the standard "Arrested for being a dick" is "Breach of the peace" - is it the same thing? EDIT: It seems that it is a blanket term for refusing to comply with Police instructions - I wonder if it has always been as poorly defined or if it is one of those laws that has suffered from expanding defi...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/31i6rm/eli5_why_do_so_many_people_in_the_usa_get/
{ "a_id": [ "cq1shkb", "cq1tajd", "cq1tiz0", "cq1tz6z", "cq1vxwo", "cq1whnu", "cq1wu3e", "cq1x1z6", "cq1xb48", "cq1xdzo", "cq1zy1o", "cq203cc", "cq20bvw", "cq20c87", "cq20loc", "cq21h48", "cq21hbj", "cq21w6t", "cq224j0", "cq288iq", "c...
[]
[]
[ [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [] ]
d6umue
how do phone companies release phones that are so similiar when they have 2-3 years in development behind the scenes?
the new iPhone 11 and google pixel 4 both have the camera clump in the top left. As-well as with the S8 (?) and the pixel, the finger print scanner was moved to the back. So many companies ditched the headphone jack within the same year. along with so many other changes that happened in the same year. How does this hap...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/d6umue/eli5_how_do_phone_companies_release_phones_that/
{ "a_id": [ "f0vkuo9" ], "score": [ 10 ], "text": [ "Phone development is spurred by consumer wants. Because most consumers look for the same things, they design phones around those.\n\nDitching the headphone jack could also be seen as a money-making opportunity. Companies have only ditched the he...
[]
[]
[ [] ]
1myayk
how much does it usually take for muscles to increase in mass after workout? and what's the process of muscle growth?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1myayk/eli5how_much_does_it_usually_take_for_muscles_to/
{ "a_id": [ "ccdqdg8", "ccdr9le", "ccds5ci", "ccdsr3j", "ccdu8k8", "ccdw2o5" ], "score": [ 7, 2, 2, 2, 65, 2 ], "text": [ "I'm going to awnser your last question first.\n\nThe process of muscle growth is self-repair. Whien you work out, and you strain yourse...
[]
[]
[ [], [], [], [], [ "http://ga.water.usgs.gov/edu/propertyyou.html" ], [] ]
1eldn3
why do computer programs often update new versions along the lines of "1.01" "1.25" etc rather than just v1, v2, v3 etc?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1eldn3/eli5_why_do_computer_programs_often_update_new/
{ "a_id": [ "ca1cfb6", "ca1d4uz", "ca1hd2n" ], "score": [ 7, 2, 3 ], "text": [ "Changes can be major or minor.\n\nA major change might involve a complete new user interface, a different method of operation \"under the covers\", or a whole range of new features. You might charge exi...
[]
[]
[ [], [], [] ]
4in9wi
zero-knowledge proof
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4in9wi/eli5_zeroknowledge_proof/
{ "a_id": [ "d2zhj6m" ], "score": [ 6 ], "text": [ "Let's say I claim I have discovered how to turn lead into gold, but I need your money to make it successful. \n\nWe might find ourselves at an impasse. You don't want to invest in something that doesn't work without proof, but I don't want to r...
[]
[]
[ [] ]
6xripn
how does the mega downloading system work?
How does Mega (a file-sharing website, which fun fact was created by the same guy who created Megaupload) download the file? What is it doing when it's downloading on the website itself (and how fast it takes to download to the computer)?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6xripn/eli5_how_does_the_mega_downloading_system_work/
{ "a_id": [ "dmi47gs" ], "score": [ 2 ], "text": [ "It is possible to instruct the browser to store arbitrary data temporarily, which will be stored inside the RAM of your computer. The data storage is called `variable`.\n\nWhat Mega probably does is to store the downloaded content of the file to ...
[]
[]
[ [] ]
9djtpr
why does your body/bones ache when it’s cold or rainy outside?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9djtpr/eli5_why_does_your_bodybones_ache_when_its_cold/
{ "a_id": [ "e5i27t4", "e5i3mhn", "e5i5939", "e5i5n20", "e5i6dq2", "e5i6x8e", "e5i7gjq", "e5i7tt3", "e5i8b2p", "e5i8hjy", "e5i9cjh", "e5idiex" ], "score": [ 643, 51, 16, 49, 3, 11, 3, 7, 7, 2, 2, 2 ], "text": [ ...
[]
[]
[ [], [ "https://www.ncbi.nlm.nih.gov/m/pubmed/7790795/" ], [], [], [], [], [], [], [ "https://www.cloudywithachanceofpain.com" ], [], [], [] ]
81ylhk
; why does the usa need to import 90 percent of the aluminum it consumes when there is so much aluminum recycling going on?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/81ylhk/eli5_why_does_the_usa_need_to_import_90_percent/
{ "a_id": [ "dv65egi", "dv69f5x", "dv69k8d", "dv6ac9j", "dv6acl9", "dv6cr9r", "dv6dpyl", "dv6e8ey", "dv6fywe" ], "score": [ 1051, 74, 3, 51, 244, 129, 9, 2, 6 ], "text": [ "A lot of scrap aluminum from the U.S. is actually recycled in...
[]
[]
[ [], [], [], [], [], [], [], [], [] ]
20ntn6
how are geysers, such as old faithful, so precise with their 'eruptions'? what earthly mechanism sets it off every ~91 minutes?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/20ntn6/eli5_how_are_geysers_such_as_old_faithful_so/
{ "a_id": [ "cg522xg" ], "score": [ 2 ], "text": [ "Geysers occur when an underground cavern fills with water, that is then heated by geothermal activity. In some cases, the geothermal heat is quite constant, and since the size of the cavern is constant, the geyser will erupt pretty regularly." ...
[]
[]
[ [] ]
zntur
explain like i'm five: declination
I just read the wiki on it, it seems a little above my comprehension. Anyone care to help?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/zntur/explain_like_im_five_declination/
{ "a_id": [ "c667tta" ], "score": [ 3 ], "text": [ "When you give your position on the surface of the earth you use *latitude* and *longitude*.\n\nWhen you give the position of something in the sky you use *declination* and *right ascension*.\n\n**Declination** is the equivalent of **latitude**. ...
[]
[]
[ [] ]