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73yav3
why do us based airlines lag behind in service and quality, especially in their premium cabins?
Anything from ground service, to in flight food, how can an economic powerhouse like the US have such universally poor quality airlines? (Certainly I'm not talking about safety.) I don't see any US-based carriers on this list of top airlines: ANA All Nippon Airways Asiana Airlines Cathay Pacific Airways Emirates ...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/73yav3/eli5_why_do_us_based_airlines_lag_behind_in/
{ "a_id": [ "dnu2vbv", "dnu2ybf", "dnu3b0j", "dnu3eye", "dnu3vn0", "dnu4p21", "dnu59dh", "dnu6g6l", "dnu8d54", "dnufcf9", "dnuiqmo", "dnv8pdj" ], "score": [ 29, 3, 23, 5, 17, 99, 19, 7, 3, 7, 27, 2 ], "text": [ ...
[]
[]
[ [], [], [ "https://www.kiwi.com/stories/flight-price-index-2017/usd/", "Kiwi.com" ], [], [], [], [], [], [], [], [ "https://qz.com/533501/half-of-american-airlines-revenue-came-from-13-of-its-customers/" ], [] ]
2au5as
how do shops decide the price of a reduced item?
I bought a normally £5 item recently for £3.34 as it was slightly damaged, That seems like a very arbitrary price to reduce it to, how do they decide?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2au5as/eli5how_do_shops_decide_the_price_of_a_reduced/
{ "a_id": [ "ciystjb", "ciyt5g3" ], "score": [ 6, 2 ], "text": [ "They sold it to you for 2/3 the original price.", "often they *are* arbitrary reductions... as long as they can hit break even for that item, they tend to be happy to reduce close-dated / superficially damaged items." ...
[]
[]
[ [], [] ]
4gds7g
definition of "conflict of interest"
I've looked online and I just don't understand it, I thought it was when 2 people had different opinions but I was wrong
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4gds7g/eli5definition_of_conflict_of_interest/
{ "a_id": [ "d2gm57s", "d2gm9iu", "d2gmatb", "d2gmdmy" ], "score": [ 4, 7, 2, 5 ], "text": [ "A conflict of interest is where your personal or professional obligations to one person/group make you unable to fairly perform your role in your line of work.\n\nFor instance, if ...
[]
[]
[ [], [], [], [] ]
3ht9z9
why does gum pain feel good when flossing?
Some people enjoy it and others don't. Why does the good sensation happen?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3ht9z9/eli5_why_does_gum_pain_feel_good_when_flossing/
{ "a_id": [ "cuadc8b", "cuaetjo", "cuafwjt" ], "score": [ 5, 2, 7 ], "text": [ "You're not supposed to feel pain when you floss even when going deep into healthy gums. Bleeding or pain when flossing is a sign of inflamed gums (gingivitis). This may be so bad that it is affecting th...
[]
[]
[ [], [], [] ]
4eixjw
how can i avoid ever having to get a root canal?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4eixjw/eli5_how_can_i_avoid_ever_having_to_get_a_root/
{ "a_id": [ "d20ip0t", "d20isdy" ], "score": [ 6, 2 ], "text": [ "Ehm, take good care of your dental hygiene. Brush your teeth and floss them! Visit the dentist regularly (like twice a year I think) to check for cavities. \n\nAnd when you do need one, get your tooth pulled out instead, if ...
[]
[]
[ [], [] ]
ag99e1
pax americana
Can someone explain the concept of Pax Americana to me? The wikipedia page seemed pretty difficult to understand...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/ag99e1/eli5_pax_americana/
{ "a_id": [ "ee4gcxx" ], "score": [ 14 ], "text": [ "\"Pax Americana\" is the idea that the relative global peace and stability since 1945 is at least partially attributable to the fairly unassailable military and economic might of the United States. You're either part of the US-led economic worl...
[]
[]
[ [] ]
3yf2s2
why does the antenna for my tv not work when a train goes by?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3yf2s2/eli5_why_does_the_antenna_for_my_tv_not_work_when/
{ "a_id": [ "cycvyun", "cycw4ix", "cyd1nwa" ], "score": [ 2, 3, 2 ], "text": [ "Trains are metal, and metal reflects and blocks radio waves. Depending on your layout, it'll either be stopping the signal reaching your aerial well enough, or it'll be deflecting it so you get two sign...
[]
[]
[ [], [], [] ]
m1mlq
guy fawkes
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/m1mlq/eli5_guy_fawkes/
{ "a_id": [ "c2xbx08", "c2xcizm", "c2xd4ki", "c2xbx08", "c2xcizm", "c2xd4ki" ], "score": [ 18, 10, 3, 18, 10, 3 ], "text": [ "_URL_0_\n\nHe's not really hard to understand. \n\nHe was a revolutionary that tried to destroy Parliament in an effort to restore C...
[]
[]
[ [ "http://en.wikipedia.org/wiki/Guy_Fawkes" ], [], [], [ "http://en.wikipedia.org/wiki/Guy_Fawkes" ], [], [] ]
6f0yp6
why are bar codes relatively large when usually you only need one thin scan line to identify an item?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6f0yp6/eli5_why_are_bar_codes_relatively_large_when/
{ "a_id": [ "diejwck" ], "score": [ 3 ], "text": [ "You May have expierienced how long it takes from time to time for the employees to find the Barcode, now imagine its only half a cm thick.\n" ] }
[]
[]
[ [] ]
4sy4mu
why do trees affect global warming so much?
I've read in one of the biology books that I was reading that 90% of the photosyntesis on the planet Earth is carried by algae. So why is it that deforestation affects global warming this much?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4sy4mu/eli5_why_do_trees_affect_global_warming_so_much/
{ "a_id": [ "d5d2x1j", "d5d4blt" ], "score": [ 10, 2 ], "text": [ "Because trees are made mostly of carbon. When you have a solid tree trunk, you have sequestered carbon from carbon dioxide into mostly cellulose. \n\nIf you cut down trees and burn them, or burn them down to clear land, ...
[]
[]
[ [], [] ]
yw15k
a prison system with a focus on reintegration, not punishment
For example, how could you replace the current US prison system with a program that focuses on reintegration of law breakers back into society as opposed to punishing them for not conforming to a society they either don't understand or don't agree with.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/yw15k/eli5_a_prison_system_with_a_focus_on/
{ "a_id": [ "c5zdvtz", "c5zeow9", "c5zg1vb", "c5ziqmy" ], "score": [ 7, 12, 2, 2 ], "text": [ "The USA is unique amongst liberal democracies in the fact that it treats prison purely as a punitive measure. You could argue for some token rehabilitation programs that are in pl...
[]
[]
[ [], [ "http://www.bbc.co.uk/news/world-europe-18121914", "http://www.theatlantic.com/international/archive/2012/08/a-different-justice-why-anders-breivik-only-got-21-years-for-killing-77-people/261532/" ], [], [] ]
9a635t
why are industrial power generators 3-phased? why not 1 or 2 phases, what's so special about it?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9a635t/eli5_why_are_industrial_power_generators_3phased/
{ "a_id": [ "e4sz62x", "e4sztgp", "e4t0nxp", "e4t6hf7", "e4tep50", "e4tflx1", "e4th40v", "e4thr9n", "e4ts23g", "e4ts7wo" ], "score": [ 4, 58, 43, 483, 34, 8, 3, 6, 2, 3 ], "text": [ "3 phases is just a happy medium. Its cheap ...
[]
[]
[ [], [], [], [], [], [], [], [ "https://upload.wikimedia.org/wikipedia/commons/thumb/a/ae/Elementary_Two_Phase_Alternator.jpg/1024px-Elementary_Two_Phase_Alternator.jpg", "https://upload.wikimedia.org/wikipedia/commons/thumb/c/cc/3_phase_AC_waveform.svg/548px-3_phase_AC_waveform.svg.png" ], ...
ame4bw
why is it warned to not brush your teeth more than 3 times a day?
Was reading the back of my toothpaste whilst brushing my teeth, and it said “use twice daily no more than 3 times” why? What’s so dangerous about toothpaste?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/ame4bw/eli5_why_is_it_warned_to_not_brush_your_teeth/
{ "a_id": [ "efl9p2f", "eflem6o" ], "score": [ 29, 7 ], "text": [ "Toothpaste generally contains abrasives, so too much brushing can unduly wear your teeth or be harsh on your gums.\n\nThere could be a possible concern about ingesting unnecessary amounts fluoride as well, but I think this ...
[]
[]
[ [], [] ]
5zn5ix
how is it safe to use superglue for cuts? is it toxic or carcinogenic? what kind of wounds can it be used on?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5zn5ix/eli5how_is_it_safe_to_use_superglue_for_cuts_is/
{ "a_id": [ "dezjhbo", "dezl7db", "dezn5cb" ], "score": [ 2, 2, 3 ], "text": [ "Superglue will seal the wound and prevent infections that way. It is slightly toxic but it is better than allowing an infection. I am pretty sure it is only used for short term situations. I don't know...
[]
[]
[ [], [], [] ]
7md66o
how does animal agriculture (particularly cows) contribute to a bad environment?
Vegans always say to go vegan for the environment...but how does the animal industry affect the environment?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7md66o/eli5_how_does_animal_agriculture_particularly/
{ "a_id": [ "drt3g00", "drt3hyb", "drt3oaw", "drtaf1e", "drtcdq3" ], "score": [ 29, 9, 3, 7, 10 ], "text": [ "Cows fart a lot, like an amount equal in size to their body every day. Farts are mostly methane, methane is one of the worst greenhouse gases. The sheer num...
[]
[]
[ [], [], [], [ "https://en.wikipedia.org/wiki/Livestock%27s_Long_Shadow", "ftp.fao.org/docrep/fao/010/a0701e/a0701e00.pdf", "http://www-wds.worldbank.org/servlet/WDSContentServer/WDSP/IB/2004/02/02/000090341_20040202130625/Rendered/PDF/277150PAPER0wbwp0no1022.pdf" ], [ "http://news.cornell....
55lumb
how is animation "recycled"?
I recently saw a post that shows how Disney is able to recycle animation in the time crunch: _URL_0_
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/55lumb/eli5_how_is_animation_recycled/
{ "a_id": [ "d8bpeit" ], "score": [ 4 ], "text": [ "In the Disney case you are referring to, 'recycled' just means the original character's movements were copied or traced directly when drawing the animation for the new character (by hand). It was much easier and less time-consuming for the animat...
[]
[ "https://vid.me/RSLq" ]
[ [] ]
4yj6dz
how does tissue paper stay together when it's in the box?
As in, what is the method used to make them 'stick' while folded and undo itself as it is pulled out?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4yj6dz/eli5_how_does_tissue_paper_stay_together_when_its/
{ "a_id": [ "d6o2plx" ], "score": [ 2 ], "text": [ "Works exactly like two books with interleaved pages when you pull out pages one by one. Big surface - > big friction" ] }
[]
[]
[ [] ]
pvf1p
who programs the programs that programming reads?
After talking with some friends over the summer about basic computer programming I can understand the basic programming like "If a button is clicked then ______" and can understand how that is converted into binary, some of the data compression and data trees, etc. But who programs the computer chips to read the bina...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/pvf1p/who_programs_the_programs_that_programming_reads/
{ "a_id": [ "c3sjlpc", "c3sjxft", "c3sloz1" ], "score": [ 10, 2, 2 ], "text": [ "The string of binary is *always* an electrical signal. We just don't talk about it that way, because \"gate 147384032 increases voltage by 2\" tells you nothing about what the computer is actually doin...
[]
[]
[ [], [], [] ]
21t6wf
if the brain has the ability to create and deliver dopamine whenever there's an appropriate stimulus why can't we do it on demand?
I'm reading a study which shows that we give ourselves a dose of dopamine when drinking Pepsi but even more when drinking Coke (hence why Coke is more popular). If that's all it takes why do we need to wait for stimuli to come along?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/21t6wf/eli5_if_the_brain_has_the_ability_to_create_and/
{ "a_id": [ "cggajz6", "cggapfa", "cggaula" ], "score": [ 3, 2, 2 ], "text": [ "I take it you don't mean \"why do we need to wait for stimuli to come along\" but \"why do we have to create stimuli the hard way\". The short answer in both cases would be the same: to get stuff done. ...
[]
[]
[ [], [ "http://deathwish.net/arch/godisaniron.htm" ], [] ]
43ldn6
why do powders mix better with a smaller amount of liquid?
Chocolate powder, as an example, seems to clump a lot more when you add a full cup of water. Whereas if you just add a few spoons of water and mix it well, and then add the rest of the water, there are fewer clumps.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/43ldn6/eli5_why_do_powders_mix_better_with_a_smaller/
{ "a_id": [ "czj41l7" ], "score": [ 3 ], "text": [ "It's easier to break up the clumps when there is less room for the clumps to slip away from you.\n\nWhen there is a lot of water, the powder will end up in a few clumps that swirl around, and if you just stir without seeking them out, they don't ...
[]
[]
[ [] ]
4fd2rs
if we were able to physically isolate a color that we cannot process as humans, how would it appear to us?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4fd2rs/eli5_if_we_were_able_to_physically_isolate_a/
{ "a_id": [ "d27ruhf", "d27rvtr" ], "score": [ 5, 2 ], "text": [ "Black.\n\nThere are already plenty of \"colors\" we can't see. Ultraviolet and infrared are outside of the visible spectrum.\n\nMore importantly, we have three color-detecting types of cells called cones in our eyes. One det...
[]
[]
[ [], [] ]
21xecm
why do french people eat so much fat and bread but still manage to be so skinny?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/21xecm/eli5_why_do_french_people_eat_so_much_fat_and/
{ "a_id": [ "cghd1op", "cghdvkm", "cghdz01", "cghf9em", "cghllvy" ], "score": [ 13, 2, 2, 2, 2 ], "text": [ "Because they don't eat that much. Yes, bread and fatty foods are a major part of their diet, but French portion sizes are laughably small compared to what A...
[]
[]
[ [], [], [ "http://3.bp.blogspot.com/_h8xOxIM96Yo/TP63px4KaeI/AAAAAAAAA4k/U4Ke_7tQwPQ/s1600/french+salad.JPG" ], [], [] ]
aer905
why do older generations dislike newer ones?
I was at my parents this weekend and we began speaking about various aspects of life. It seemed to me that they couldn't stand much of the culture and aspects of the younger generations. I've gotten similar responses from a lot of places, why does this occur?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/aer905/eli5_why_do_older_generations_dislike_newer_ones/
{ "a_id": [ "edrtqsm", "edrtsmv", "edru7wm", "edrvtsn" ], "score": [ 7, 3, 13, 2 ], "text": [ "The best I've been able to understand is that people aren't comfortable with change, for better or worse.", "This is my absolute favourite answer to this question-- tackles th...
[]
[]
[ [], [ "https://youtu.be/LD0x7ho_IYc" ], [], [] ]
3pttw6
what evidence is there that saudi arabia funds isis? is it the saudi government or wealthy citizens who are doing the funding?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3pttw6/eli5_what_evidence_is_there_that_saudi_arabia/
{ "a_id": [ "cw9dhqy" ], "score": [ 2 ], "text": [ "The usual line we get is a situation similar to Pakistan. Officially, the government fights terrorists, cooperates with American anti-terror activities, and supplies information to counter-terrorist organizations. There have certainly been many c...
[]
[]
[ [] ]
aprv9d
why do projectors project on white surfaces and not black?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/aprv9d/eli5_why_do_projectors_project_on_white_surfaces/
{ "a_id": [ "egapnya", "egaqcgs" ], "score": [ 11, 9 ], "text": [ "Projections only look faded when the room is not completely dark and there is some other light source bouncing light off the screen, a black screen wouldn't show anything as black doesn't reflect light, hence why it is blac...
[]
[]
[ [], [] ]
cp1j3m
why haven’t humans occupied the oceans yet?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/cp1j3m/eli5_why_havent_humans_occupied_the_oceans_yet/
{ "a_id": [ "ewmkk0w", "ewmllm1", "ewmprad", "ewn3iei", "ewn41zl", "ewn8o2s" ], "score": [ 29, 17, 8, 5, 3, 5 ], "text": [ "It's unrealistic due to high cost, high maintenance, being reliant on sourcing nearly everything that would be needed from land. It's...
[]
[]
[ [], [], [], [], [], [] ]
16sz2s
how world seeds in minecraft and other games that use them work.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/16sz2s/eli5_how_world_seeds_in_minecraft_and_other_games/
{ "a_id": [ "c7z373g", "c7z4xdk" ], "score": [ 2, 2 ], "text": [ "Computers cannot produce truly random numbers on their own. For this they would need an external entropy source such as atmospheric noise picked up by a radio receiver; that's how the site [_URL_1_](_URL_0_) can generate a t...
[]
[]
[ [ "http://www.random.org/", "random.org" ], [] ]
1o276l
do i have a speech impediment if i can't roll my r's
I have never been able to roll my R's. The other day I was wondering if I had been born in a country where the primary language requires a lot of 'R' rolling, would people consider me to have a speech impediment? Similar to someone with a lisp or stutter.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1o276l/eli5_do_i_have_a_speech_impediment_if_i_cant_roll/
{ "a_id": [ "cco578c" ], "score": [ 3 ], "text": [ "if you had been born in a country with a rolling r in the language, you'd probably be able to do it. I'm from a country that does have it, and 95% of people are able to do it properly. but yeah, there is a 5% that doesnt. and the 95% doesnt alway...
[]
[]
[ [] ]
2vjybd
what causes an itch and why does my brain tell me to scratch a blister or wound when it could be the worst thing to do?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2vjybd/eli5_what_causes_an_itch_and_why_does_my_brain/
{ "a_id": [ "coiauxl" ], "score": [ 5 ], "text": [ "When you have the desire to scratch a blister or a wound, it's not the actual wound that \"wants\" to be scratched. It's the irritated/inflammed skin around the wound or blister. " ] }
[]
[]
[ [] ]
6oq7ow
why do some women have really painful menstruation period's while other's barely seem to be affected?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6oq7ow/eli5_why_do_some_women_have_really_painful/
{ "a_id": [ "dkjcwuh", "dkjfp7i", "dkjk3jn", "dkjkyhg" ], "score": [ 5, 6, 2, 2 ], "text": [ "A lot of women have undiagnosed endometriosis. I was diagnosed at 18 and the gynecologist said it is very common. If a woman has bad periods she probably has endometriosis. There ...
[]
[]
[ [], [], [], [] ]
3khmbj
why does motion cause people to fall to sleep, especially babies and children?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3khmbj/eli5_why_does_motion_cause_people_to_fall_to/
{ "a_id": [ "cuxitqm" ], "score": [ 2 ], "text": [ "Your brain is a pattern seeking device. When you hear monotone noises it can relax you because your brain identifies the pattern and can relax. Its why you can become sleepy during insanely boring speeches! \n" ] }
[]
[]
[ [] ]
r8vkr
how does the rule of 3 work?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/r8vkr/how_does_the_rule_of_3_work/
{ "a_id": [ "c43usb9", "c43wv5c", "c43xhe2" ], "score": [ 5, 2, 2 ], "text": [ "[You're going to have to be more specific.](_URL_0_)", "The comedy rule of three is paraphrased as follows:\n\nIn any given list, the first two items are ordinary, and the third is 'wacky.'\n\nTake ...
[]
[]
[ [ "http://en.wikipedia.org/wiki/Rule_of_Three" ], [ "http://tvtropes.org/pmwiki/pmwiki.php/Main/ArsonMurderAndJaywalking" ], [] ]
8yki3e
what is chloride in a hydration iv and why do you need it to be hydrated instead of just water, sodium, potassium, etc?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8yki3e/eli5_what_is_chloride_in_a_hydration_iv_and_why/
{ "a_id": [ "e2bli6m", "e2bracs" ], "score": [ 9, 2 ], "text": [ "Simple answer is to maintain your blood's PH and isotonic balances. IV fluids are usually sodium chloride solution, .9 & #37;, which is the level that you would find in human blood.\n\nWIthout the right balance, water would ...
[]
[]
[ [], [] ]
2nd5r3
what's the difference between bits and bytes, and is there an easy way to remember?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2nd5r3/eli5_whats_the_difference_between_bits_and_bytes/
{ "a_id": [ "cmciqw6", "cmciqx9", "cmcixba", "cmcixej", "cmciy6s" ], "score": [ 4, 2, 3, 5, 5 ], "text": [ "Bytes are 8 bits, by eight = byte. That's how I learned it, apparently my previous answer was too short so yeah.", "A bit is a zero or one in binary; by i...
[]
[]
[ [], [], [], [], [] ]
g0xwo0
sperm whale can make 200+ db sounds. wouldn't that make whailing/scientific research extremely deadly?
Aparently 180 dB causes eardrum rupture and intense pain and thus is extremely deadly. For comparison's sake, Krakatoa volcano's eruption was measured at around 183dB.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/g0xwo0/eli5_sperm_whale_can_make_200_db_sounds_wouldnt/
{ "a_id": [ "fncht7t", "fnci6yy", "fndabf1", "fndbot8", "fndpbf8", "fndskyp", "fndv03r", "fne5fe8" ], "score": [ 11, 903, 23, 3, 7, 6, 2, 2 ], "text": [ "Sound waves will bounce when hitting an entity of significant different density. This is...
[]
[]
[ [], [ "https://fas.org/man/dod-101/sys/ship/acoustics.htm", "https://www.youtube.com/watch?v=MyP7i1B_QNk" ], [ "https://en.wikipedia.org/wiki/Gasometer", "https://en.wikipedia.org/wiki/Batavia,_Dutch_East_Indies", "https://en.wikipedia.org/wiki/Pascal_(unit)", "https://en.wikipedia.org...
3fb3up
why do people accused of a crime plead not guilty, even when caught red handed?
I get the innocent until proven guilty reasoning, but I don't understand why more people don't seem to plead guilty when there is photographic or video evidence of them committing the crime? Wouldn't that be able to be leveraged by a lawyer as remorse to try to get leniency?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3fb3up/eli5why_do_people_accused_of_a_crime_plead_not/
{ "a_id": [ "ctmych2", "ctmydlh", "ctmye6f", "ctmyju0", "ctn0k2a" ], "score": [ 12, 2, 5, 2, 3 ], "text": [ "That vast majority do - [according to this paper](_URL_0_) 95% of defendants plead guilty to their charges.", "The majority of cases never go to trial, a...
[]
[]
[ [ "https://www.bja.gov/Publications/PleaBargainingResearchSummary.pdf" ], [], [], [], [ "https://www.youtube.com/watch?v=Qv5fqunQ_4I" ] ]
1uw5l4
how are there enough social security numbers for everyone in the u.s?
It's seems that there are more Americans than there are variations of SSNs
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1uw5l4/how_are_there_enough_social_security_numbers_for/
{ "a_id": [ "cem8vzc" ], "score": [ 2 ], "text": [ "It's not that simple. The first three digits aren't random - they represent the state where you applied for an SSN. As such, states will run out of SSNs unevenly." ] }
[]
[]
[ [] ]
1ktcgh
shazam app
How does this even work? And how does it do it so fast, with so little of the song, and so accurate?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1ktcgh/eli5_shazam_app/
{ "a_id": [ "cbse4wk", "cbsi8ou" ], "score": [ 11, 2 ], "text": [ "Shazam works by treating each song like it has its own, unique fingerprint. The app works by using frequency, amplitude and time of specific points in each song to create this fingerprint in its database. When your app he...
[]
[]
[ [], [] ]
1ssp2u
the world is getting hotter yet it snows in cairo for the first time in 112 years
I am well studied in statistical outliars and do not know know frequent it snowed prior to 1901, but I am curious if anyone can educate me further about this.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1ssp2u/eli5_the_world_is_getting_hotter_yet_it_snows_in/
{ "a_id": [ "ce0tpbe", "ce0x4of" ], "score": [ 5, 3 ], "text": [ "The world is getting hotter on average. Local spots are seeing more extreme variations in temperature. ", "The world's weather depends on a VERY precise balance of hot/cold and humid/dry air. A variation in any of thes...
[]
[]
[ [], [ "http://curiosity.discovery.com/question/global-warming-cause-ice-age", "http://www.nwf.org/Wildlife/Threats-to-Wildlife/Global-Warming/Global-Warming-is-Causing-Extreme-Weather.aspx" ] ]
1m4cjh
how do we know if syria has handed over all their chemical weapons?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1m4cjh/eli5_how_do_we_know_if_syria_has_handed_over_all/
{ "a_id": [ "cc5n5gm" ], "score": [ 2 ], "text": [ "It's likely that any agreement that is made that requires them to give up their weapons would require them to allow very thorough investigations, and it's not easy to hide chemical weapons facilities like that, especially with satellites that cou...
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[]
[ [] ]
2t3tu2
why professors give exams they know almost everyone is going to fail.
Last semester we took our ochem final. Professor said historically his class average on the final was around 45%. Big surprise, the average for our class was a 42%. What's the point of making a test so hard almost everyone in the class is going to fail it? edit: Also the teacher normalized the scores so a 42% was pa...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2t3tu2/eli5_why_professors_give_exams_they_know_almost/
{ "a_id": [ "cnvg14z", "cnvg2qf", "cnvgjkp" ], "score": [ 2, 5, 3 ], "text": [ "Because artificially inflating your grades by giving you an easy test does not mean you actually know what it is about. It just gives you all feel good bandaid. If what is on the test is in line with wh...
[]
[]
[ [], [], [] ]
6xaikj
how red cross donations work
If I were to donate $100 to any Red Cross reflief effort, what would the breakdown be of how it is spent? Then, furthermore, what is the best way of comparing how impactful your money truly is between the different charity organizations that share a common goal?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6xaikj/eli5_how_red_cross_donations_work/
{ "a_id": [ "dmeez44" ], "score": [ 4 ], "text": [ "From Charity Navigator:\n\n > Program Expenses\t90.1%\n\n > Administrative Expenses \t3.8%\n\n > Fundraising Expenses \t5.9%\n\nThey have detailed assessments of almost all charities, and their scores give you a good idea of the impact of your...
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[]
[ [] ]
46jr0e
why is it so common for americans wear t-shirts under shirts?
Something I noticed and has puzzled me for a while - why do Americans wear t-shirts under shirts (what Americans call a dress shirt) - especially in office settings. It's not common at all here in the UK.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/46jr0e/eli5why_is_it_so_common_for_americans_wear/
{ "a_id": [ "d05odop", "d05oecs", "d05ofg3", "d05omoj" ], "score": [ 8, 3, 8, 3 ], "text": [ "I wear a tank top under my dress shirts for two reasons. One, an under shirt helps you stay cool when it's hot and warm when it's cold. Two, dress shirts can be see through, and ni...
[]
[]
[ [], [], [], [] ]
2tn9aw
why is it that the large textbook publishing companies (pearson, mcgraw-hill, prentice-hall, and nelson) haven't been broken up seeing as they buy up all the smaller textbook companies, and force students to pay and arm and a leg for textbooks?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2tn9aw/eli5why_is_it_that_the_large_textbook_publishing/
{ "a_id": [ "co0jevl" ], "score": [ 4 ], "text": [ "Textbooks are expensive only because they are limited run, limited market books.... not because some big-bad corporation is charging helpless students an \"arm and leg\" just to be evil. It is due to simple economics.\n\nMass market books (like p...
[]
[]
[ [ "http://en.wikipedia.org/wiki/Economies_of_scale" ] ]
a3jt44
why is actual atp yield in cellular respiration never 38?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/a3jt44/eli5_why_is_actual_atp_yield_in_cellular/
{ "a_id": [ "eb6tlku", "eb6vnlm", "eb6y8hy" ], "score": [ 2, 2, 2 ], "text": [ "This happens for several reasons:\n1. To actually get energy out of glucose metabolism, some energy input (ATP) from the cell is required. This drops the net ATP yield.\n2. Energy is not perfectly trans...
[]
[]
[ [], [], [ "https://en.wikipedia.org/wiki/Cellular_respiration" ] ]
byl3ut
why are jars so hard to open when left closed for a few days?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/byl3ut/eli5_why_are_jars_so_hard_to_open_when_left/
{ "a_id": [ "eqisis0", "eqisklz" ], "score": [ 3, 2 ], "text": [ "Usually because whatever is in the jar got between the threading at the top of the jar and the lid, dried up and got sticky. Or the jar got cold and the metal lid contracted.", "Changes in temperature in the environment ...
[]
[]
[ [], [] ]
6e1odv
why do languages that don't use the latin alphabet, use letters in a non-phonetic way when translated?
Like how 'Ching' in Chinese is spelled Xing
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6e1odv/eli5_why_do_languages_that_dont_use_the_latin/
{ "a_id": [ "di6xnvw", "di6yje8", "di6ysww", "di6zb9l" ], "score": [ 8, 8, 6, 5 ], "text": [ "When you develop a romanization system, often the language doesn't use the sound a letter usually makes, but has a sound that the alphabet doesn't have a single letter for by defau...
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[]
[ [], [], [], [] ]
6iip2h
elevator doors
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6iip2h/eli5elevator_doors/
{ "a_id": [ "dj6kell" ], "score": [ 3 ], "text": [ "The numbers are there for when the elevator is in emergency/maintenance mode. On that setting the operator (usually with a special key) can move the elevator up and down as he pleases, rather than having to go to a floor. The numbers on the doors...
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[ [] ]
fx9dws
how does etfs work?
I would appreciate a breakdown of who actually get the capital when I put money into an ETF, and what other popular investing/trading choices there are besides stocks, options and ETFs. Assume I’m a 5-year-old with a little financial acuity who got burnt fingers touching the stocks oven 5 years ago. Thank you all i...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/fx9dws/eli5_how_does_etfs_work/
{ "a_id": [ "fmt0x89", "fmtforr" ], "score": [ 3, 3 ], "text": [ "One of the basic rules in any investing, but especially stocks, is diversification. By spreading your money out among several different stocks, you won't be wiped out if any one of them performs poorly. On the flipside, you ...
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[ [], [] ]
m1yby
what the hell is going on in belarus right now???
EDIT: For more info... I mean like how did the currency rate drop so much almost overnight and the economy there in general. Also why do all dictators have bad moustaches? :P
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/m1yby/eli5_what_the_hell_is_going_on_in_belarus_right/
{ "a_id": [ "c2xeqcf", "c2xeqcf" ], "score": [ 2, 2 ], "text": [ "[Dictator with bad mustache](_URL_0_)", "[Dictator with bad mustache](_URL_0_)" ] }
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[]
[ [ "http://en.wikipedia.org/wiki/Alexander_Lukashenko" ], [ "http://en.wikipedia.org/wiki/Alexander_Lukashenko" ] ]
b7tbzf
this part of the wiki about π(pi)
> The digits appear to be randomly distributed. In particular, the digit sequence of π is conjectured to satisfy a specific kind of statistical randomness, but to date, no proof of this has been discovered.  Reading the wiki about Pi and cannot get my mind around what this is supposed to mean. The quote comes from ...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/b7tbzf/eli5_this_part_of_the_wiki_about_πpi/
{ "a_id": [ "eju2a9s", "eju2vb3", "eju32ve" ], "score": [ 3, 9, 3 ], "text": [ "There are different kinds of random.\n\nUsually, if you say something is completely random, you mean it has a uniform probability distribution. That means every possibility is equally likely to happen.\...
[]
[ "https://en.m.wikipedia.org/wiki/Pi" ]
[ [], [], [] ]
5nkfur
differences between all of the atomic models
I'm in grade 10 science and I'm doing fine. But one thing I'm struggling with is remembering the difference between all of the people's theories of the atomic model. Here are the questions on the work sheet. -Explain Dalton's theory on the atomic model -Explain Thomson's theory on the atomic model -Explain Rutherf...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5nkfur/eli5differences_between_all_of_the_atomic_models/
{ "a_id": [ "dcc50uz", "dccir73", "dcdlwmc" ], "score": [ 5, 2, 2 ], "text": [ " > I'm in grade 10 science and I'm doing fine. But one thing I'm struggling with is remembering the difference between all of the people's theories of the atomic model. Here are the questions on the wo...
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[]
[ [], [], [] ]
25j10j
how do (subway) trains coordinate themselves such that they don't encounter accidents?
How do operators know if a train is stalling in front of them and they have to slow down? Also, how do they stagger the trains in short time intervals (e.g. 2 minutes, 5 minutes) without encountering issues?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/25j10j/eli5_how_do_subway_trains_coordinate_themselves/
{ "a_id": [ "chhnd2c" ], "score": [ 6 ], "text": [ "Signal interlocks, and 'absolute block protection'. When a train is on a track section, a small current passes into the rail, which registers on some safety equipment to show that 'block' as occupied. \nThe rail sections have insulators between ...
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[]
[ [] ]
3ewn5v
why do baseball players use corked bats?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3ewn5v/eli5_why_do_baseball_players_use_corked_bats/
{ "a_id": [ "ctj1wkm", "ctj3y97" ], "score": [ 10, 2 ], "text": [ "It is not because the bat is lighter. This is false.\n\nIt is because the wood will compress more when the ball hits the bat. The ball hit off a corked bat will come off hotter (faster) than a ball hit with a normal bat. ...
[]
[]
[ [], [ "https://youtu.be/8lreYjArfnc" ] ]
eouex0
are shrunken heads real or a myth? if they are real, how on earth do you shrink a skull?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/eouex0/eli5_are_shrunken_heads_real_or_a_myth_if_they/
{ "a_id": [ "fef5c3i", "fef5ocl" ], "score": [ 4, 16 ], "text": [ "A lot of them were faked.\n\nThere are a few real examples though, you peel the skin off, sew the orifices shut and preserve the head.\n\nIt shrinks when it's preserved.", "Its real but the couple of stone-aged tribes t...
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[]
[ [], [] ]
1o5v03
how did elements become biological cells?
I understand evolution for the most part, but I don't understand the very beginning, how elements became cells. Surely the most basic of cells are complex things.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1o5v03/eli5_how_did_elements_become_biological_cells/
{ "a_id": [ "ccp3dre", "ccp9hc7" ], "score": [ 3, 2 ], "text": [ "The process you are talking about is known as abiogenesis. Scientists aren't really 100% sure about how it happened, and there are experiments being done to reproduce this event. There are many hypotheses and any one working...
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[]
[ [ "http://www.youtube.com/watch?v=v8nYTJf62sE" ], [] ]
52ydkb
why do sharks, being predators, have eyes on their sides?
Most predator species like lions, bears, falcons, and even humans have their eyes on the front of their faces to help with hunting, while prey species like cows, rabbits, or chickens have their eyes on the sides. Why do sharks, a predatory species, not have eyes aimed forwards?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/52ydkb/eli5_why_do_sharks_being_predators_have_eyes_on/
{ "a_id": [ "d7ocuea", "d7ocz4r", "d7odoac", "d7oe2n1", "d7oxbg0" ], "score": [ 2, 2, 5, 13, 2 ], "text": [ "If i'm not wrong, they use more other senses to detect their prey than their eyes. They can detect blood for pretty far away with the equivalent of their sme...
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[]
[ [], [], [], [], [] ]
1fshy3
what is "washing" money, and why do criminals need to do it?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1fshy3/eli5_what_is_washing_money_and_why_do_criminals/
{ "a_id": [ "cadcif5", "cadck5v", "cadcuoc", "cadec28", "cadwvo9", "caee9lf" ], "score": [ 7, 8, 63, 3, 2, 2 ], "text": [ "If you get a ton of money from illicit activities, like selling drugs, then you have to make it look like you got it from legal activit...
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[ [], [], [], [], [], [] ]
66b1iu
why do we have the carbon trading system if it's so flawed?
It seems that carbon trading, using carbon credits and all that, doesn't really reduce carbon emissions as a whole. One company pollutes less, so another company can pollute more. Sure, companies have to pay for carbon credits, but is it really that big of a blow to them? Maybe I'm just not understanding the system?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/66b1iu/eli5_why_do_we_have_the_carbon_trading_system_if/
{ "a_id": [ "dgh0tov", "dgh3lyy" ], "score": [ 7, 3 ], "text": [ " > One company pollutes less, so another company can pollute more.\n\nAnd pay more for that privilege.\n\nThat encourages clean companies to be cleaner, so they can sell more carbon credits, and dirty companies to be cleane...
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[]
[ [], [] ]
5xm9q8
how do hacking attacks compromise user accounts if passwords are stored as hashed values?
Unless you could reverse the hash back into the password, wouldn't the password be safe?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5xm9q8/eli5_how_do_hacking_attacks_compromise_user/
{ "a_id": [ "dej6iri", "dej8e3s" ], "score": [ 3, 15 ], "text": [ "It depends on how long it takes to hash a password, and on how many tries it would take to guess your password. A bad hashing algorithm(like MD5) means people can brute force the password, just checking every possible pass...
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[]
[ [ "https://www.youtube.com/watch?v=7U-RbOKanYs" ], [ "www.openwall.com/john/" ] ]
ed9y6y
why do you sometimes wake up with patterns all over the body
Every so often you wake up with patterns/marks all over the body from the bedding or alike. How is it this happening compared to most times where you wake up with none?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/ed9y6y/eli5_why_do_you_sometimes_wake_up_with_patterns/
{ "a_id": [ "fbgf8po", "fbgfo8r" ], "score": [ 3, 3 ], "text": [ "You stayed in the same position while asleep for longer. While you're asleep, your body is in a semi paralyzed state so you don't move very much or hurt yourself by rolling off the bed etc. It's also a time where your body r...
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[ [], [] ]
6q6ftg
how can companies give away free products and still make money?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6q6ftg/eli5_how_can_companies_give_away_free_products/
{ "a_id": [ "dkuwxqy", "dkuxf80", "dkuz5mk", "dkuzop1", "dkv01wq", "dkv0g6j", "dkv22dg", "dkv2unj", "dkv4du2", "dkv4h13", "dkv74xp", "dkv7cjm", "dkv88pr", "dkv8dv2", "dkvfgtq", "dkvfrrz", "dkvhhn3", "dkvhle7", "dkvio98", "dkviu6v", "d...
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[]
[ [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [] ]
foshz4
when agreeing to cookies on a website, what exactly am i agreeing to?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/foshz4/eli5_when_agreeing_to_cookies_on_a_website_what/
{ "a_id": [ "flgxe7x", "flgy35c", "flh5q8c", "flh91tm", "flh9yl9", "flhifiz", "flhm1od", "flhoos9", "flhoqwc", "flhqy0y", "flhxj36", "fli85er", "flifajj", "flin877", "flj5zs2", "flk3l4d" ], "score": [ 94, 2802, 12, 217, 3, 18,...
[]
[]
[ [], [], [], [ "Reddit.com", "CNN.com" ], [], [], [], [], [], [], [], [], [], [ "https://en.wikipedia.org/wiki/General_Data_Protection_Regulation", "https://en.wikipedia.org/wiki/Privacy_and_Electronic_Communications_Directive_2002" ], [], [] ]
38r40d
why are things just behind bright lights impossible to see, until you get past the light?
I'm thinking of things like highway/road construction sites, police cars with bright flashing lights, etc. When I'm approaching the light, i cannot see what is just past it at all - but as soon as I get past the light, it becomes clear again. Are my eyes just being overwhelmed by the light?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/38r40d/eli5_why_are_things_just_behind_bright_lights/
{ "a_id": [ "crx6cpd" ], "score": [ 2 ], "text": [ "Because your eye can only process so much light at one time. When there is a bright light in your direct field of vision, your eye is forced to process all of its light, and not have any capacity for anything else. Once that light is no longer in...
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[ [] ]
9qh0jh
what is ionization energy?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9qh0jh/eli5_what_is_ionization_energy/
{ "a_id": [ "e894efv" ], "score": [ 6 ], "text": [ "An ion is an atom that has gained or lost one electron, leaving it with a positive or negative charge - this is the loose definition of ionization.\n\nIonization energy is the measure of the amount of energy required to remove one electron, there...
[]
[]
[ [] ]
a5fm3i
what are the random characters you see when you open an mp3 file in notepad?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/a5fm3i/eli5_what_are_the_random_characters_you_see_when/
{ "a_id": [ "ebm7ja1", "ebm7kej", "ebma7bm", "ebn2dil" ], "score": [ 2, 11, 8, 2 ], "text": [ "They're the results of the program attempting to interpret the file's binary data as ASCII encoded text. Depending on how data is read it is possible for something that is complet...
[]
[]
[ [], [], [], [] ]
6hj8wu
the movie 2001: space odyssey's metaphors
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6hj8wu/eli5_the_movie_2001_space_odysseys_metaphors/
{ "a_id": [ "diyrrn0" ], "score": [ 2 ], "text": [ "This is an awesome movie, and was an SF groundbreaker. This is mainly due to Kubrick's visual style. He did multiple things that no one had done before. For example, no sound in space. Most SF films previously had ignored the fact that sound does...
[]
[]
[ [] ]
27547l
why did bitcoins end up being worth so much?
Does anyone actually do anything with them besides put them on exchanges and hoard them?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/27547l/eli5_why_did_bitcoins_end_up_being_worth_so_much/
{ "a_id": [ "chxh3wx", "chxk4fa", "chxob0v" ], "score": [ 3, 2, 2 ], "text": [ "Bitcoins is a currency that cannot be taxed by governments. Shady people used them to transfer huge amounts of money. Since they were used, they became popular and therefore increased in value.", "B...
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[ [], [], [] ]
8yn3po
how does mortgage amortization work ?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8yn3po/eli5_how_does_mortgage_amortization_work/
{ "a_id": [ "e2c6l54" ], "score": [ 10 ], "text": [ "So let's say you borrow $100,000 for 30 years at 6% (those numbers are to make the math easier to follow rather than being realistic). The loan payment is calculated to be a fixed amount that pays both the interest and principle back over the l...
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[ [] ]
29uy89
why is the us's dial code +1 and the uk's dial code is +44?
Didn't the Alex Graham Bell create the first practical telephone and thus theoretically the English should be '+1'?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/29uy89/eli5_why_is_the_uss_dial_code_1_and_the_uks_dial/
{ "a_id": [ "cioq6bd" ], "score": [ 12 ], "text": [ "He did most of the work in the US, and patented it in America. It makes sense for the US code to be 1. " ] }
[]
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[ [] ]
6iv8e5
when we look directly above outside, the sky appears to be a darker blue, however in the distance it looks more like a lighter blue/grey?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6iv8e5/eli5_when_we_look_directly_above_outside_the_sky/
{ "a_id": [ "dj9b8ds", "dj9dt69" ], "score": [ 7, 3 ], "text": [ "When you observe the sky by looking up 90 degrees you are observing it though less atmosphere. \n\nWhen you look at the sky in the distance, near the horizon, you're basically observing it through as much atmosphere as possi...
[]
[]
[ [], [] ]
nd7w7
wireless
I don't get how from data is sent across the air from one point to another.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/nd7w7/eli5_wireless/
{ "a_id": [ "c38629c", "c38629c" ], "score": [ 6, 6 ], "text": [ "Through Radio waves. The same way that you can hear the radio in your car.", "Through Radio waves. The same way that you can hear the radio in your car." ] }
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[ [], [] ]
4m34wu
why does having my ac on affect my cars acceleration?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4m34wu/eli5_why_does_having_my_ac_on_affect_my_cars/
{ "a_id": [ "d3s5v2w", "d3s5whj" ], "score": [ 2, 2 ], "text": [ "certain things on your car run by belt and the A/C compressor is one of them.\n\nEssentially, the belt that runs the A/C compressor is spun by the engine, so when the A/C compressor kicks in, it puts a slight strain (or 'dra...
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[ [], [] ]
2tvl6n
why has voter turnout declined among subsequent generations.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2tvl6n/eli5why_has_voter_turnout_declined_among/
{ "a_id": [ "co2paxn", "co2rnxz" ], "score": [ 3, 2 ], "text": [ "In the US, at least, voter turnout has remained pretty steady in the post-WWII era. [See the chart here](_URL_0_).\n\nThe important distinction made in that chart that a lot of other turnout reports don't factor in is that i...
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[]
[ [ "http://www.fairvote.org/research-and-analysis/voter-turnout/" ], [] ]
1ldebh
why do egyptian hieroglyphs have heads of animals on human faces
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1ldebh/why_do_egyptian_hieroglyphs_have_heads_of_animals/
{ "a_id": [ "cby40vw", "cby4asm" ], "score": [ 3, 3 ], "text": [ "They're pictures of the Egyptian gods. Many of them have human bodies, but animal heads. Examples are [Ra](_URL_2_), [Anubis](_URL_0_) and [Set](_URL_1_).", "You might be thinking of [Egyptian relief paintings](_URL_3_),...
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[ [ "http://upload.wikimedia.org/wikipedia/commons/6/6d/Anubis_standing.svg", "http://upload.wikimedia.org/wikipedia/commons/7/7a/Set.svg", "http://upload.wikimedia.org/wikipedia/commons/0/0d/Re-Horakhty.svg" ], [ "http://en.wikipedia.org/wiki/Ra", "http://en.wikipedia.org/wiki/Sobek", "ht...
6o8eck
why do some online merchants need your card type (visa, mastercard, etc.) when entering info and others do not?
When buying things online I've noticed that some online merchants require more information when paying with a credit card than others do. Why are some merchants able to figure out card type and others aren't? A related question is why (in the United States, at least) do some gas stations require a zip code when using ...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6o8eck/eli5_why_do_some_online_merchants_need_your_card/
{ "a_id": [ "dkfcga6", "dkfcwha", "dkfnikp" ], "score": [ 15, 4, 5 ], "text": [ "Because some are more sophisticated than others. The first digit tells you the \"team\" of the card: 3=AMEX, 4=VISA, 5=Mastercard. If your lazy programmers don't code this up, the user has to enter i...
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[ [], [], [] ]
5qvu28
why do people like red velvet cake? is there a reason besides the visual appeal?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5qvu28/eli5_why_do_people_like_red_velvet_cake_is_there/
{ "a_id": [ "dd2gxjc" ], "score": [ 4 ], "text": [ "The redish color originally came from dutch process cocoa, which had a dark red color. It's a mildly chocolate cake.\n\nPeople love the red color so they add it to make it ever more red, but the cake itself is traditionally a mildly chocolate cak...
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1yo206
how do life rafts blow up under water?
Where does the raft pull the air from when the string is pulled if its submerged under water? Is it a chemical reaction or do they come with an air tank?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1yo206/eli5_how_do_life_rafts_blow_up_under_water/
{ "a_id": [ "cfm9xyf" ], "score": [ 2 ], "text": [ "Compressed CO2 cartridges " ] }
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[ [] ]
aha6ex
why have movie trailers not only become much longer but now most seem to include the entire plot and end scenes condensed into the trailer?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/aha6ex/eli5_why_have_movie_trailers_not_only_become_much/
{ "a_id": [ "eecn1l9", "eecnkma", "eeco5n5", "eecpcqr", "eecpdj1", "eect0hy", "eed2i8n" ], "score": [ 29, 5, 2, 8, 2, 25, 2 ], "text": [ "Could I also ask, on top of that,why do so many trailers seem to start with a 5 second trailer trailer", "Po...
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[ [], [], [], [], [], [ "http://www.retroyoutubevideos.com/1960s/movie-trailers-1960s/" ], [] ]
2b3au9
why you get mach effects ("breaking the sound barrier")
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2b3au9/eli5why_you_get_mach_effects_breaking_the_sound/
{ "a_id": [ "cj1dumg" ], "score": [ 5 ], "text": [ "When an object is going faster than the speed of sound it creates a shock wave that radiates outward like a cone behind the object. The object drags this \"cone\" along as it travels, and where the cone touches the ground you would hear a \"sonic...
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5t1gsu
film grain even in modern movie blurays, is it purposeful or why cant it be cleaned out?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5t1gsu/eli5_film_grain_even_in_modern_movie_blurays_is/
{ "a_id": [ "ddjdwrb" ], "score": [ 3 ], "text": [ "Film grain is a product of the chemistry that makes film. It can be made smaller, but the smaller grains take more light to switch on (expose). That makes finer grain film \"slower\" and it's a tradeoff between lighting and grain size. To elim...
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9c6ctf
activated charcoal toothpaste
IF this doest fit here please remove I know its suppose to be natural and healthy for teeth whitening but is it an all around normal toothpaste replacement? There are somethings I feel going natural just can hang with, is dental care one of them?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9c6ctf/eli5_activated_charcoal_toothpaste/
{ "a_id": [ "e58cdj4", "e58k7kc" ], "score": [ 14, 7 ], "text": [ "Dentists have shown that long time use of the AC tooth whitening actually harms teeth. It’s too abrasive and ruins the underlying enamel. Using it a couple times for a quick boost in whitening won’t be detrimental but I wou...
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[ [], [] ]
2393vs
who gets to determine the english translations of foreign language country names?
For example, let's take the name of a city we all know and love: Moscow. In the original Russian cyrillic (AFAIK) it is spelt MOCKBA. Then, it is sometimes translated as MOSKVA. And then after that, it somehow ends up on our North America maps as MOSCOW. How do these names of cities and countries make this transition...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2393vs/eli5_who_gets_to_determine_the_english/
{ "a_id": [ "cguon0n" ], "score": [ 5 ], "text": [ "It kind of depends on the country. Most country names are based on what the speakers of a particular language decided to call the country. A perfect example of this is what we English speakers call Germany. \n\n* Germans, Dutch, Chinese, Japan...
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42bg1u
if we can control ovulation by hormonal manipulation, why don't breast expansion pills that utilize lactation exist?
We can trick the body into thinking its pregnant so its stops sending out eggs for fertilization. One would assume that similar method of pregnancy trickery to induce lactation would also exist, in turn causing breast growth. Are the two body processes differently wired enough that the same method wouldn't work? Is the...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/42bg1u/eli5_if_we_can_control_ovulation_by_hormonal/
{ "a_id": [ "cz90v3w", "cz91azr", "cz91m3e" ], "score": [ 19, 9, 3 ], "text": [ "You realise that a pill that induces lactation would have the side-effect of inducing lactation, right? And that for the vast majority of the population that is *not* a positive side effect? ", "Ye...
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[ [], [], [] ]
41g4i0
in the beginning of time, after the big bang, how did the first organisms come into being? how did the first organic matter come in to existence?
In the beginning, when the Big Bang happened, what did it send off that would eventually lead to life? To explain further, to my understanding everything in the universe seems to be inorganic, except here on earth. So how did life begin in the first place? What was it that created the first organic matter which would...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/41g4i0/eli5_in_the_beginning_of_time_after_the_big_bang/
{ "a_id": [ "cz22osp", "cz23544", "cz23rk6", "cz23w45" ], "score": [ 3, 2, 2, 3 ], "text": [ "Organic matter technically means carbon compounds. Carbon and other atoms were formed in stars and blown out by supernovas. Then on Earth the first organic molecules formed through...
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[ [], [ "https://www.youtube.com/watch?v=YSjAkXYaLDQ" ], [ "https://en.wikipedia.org/wiki/List_of_interstellar_and_circumstellar_molecules" ], [] ]
at4khu
how do skydivers breath while free-falling when wind is blowing against their face?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/at4khu/eli5_how_do_skydivers_breath_while_freefalling/
{ "a_id": [ "egyk0vw" ], "score": [ 10 ], "text": [ "They aren't going that much faster than riders are on a motorbike. The lungs can generate plenty of pressure to overcome the Bernoulli effect." ] }
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1q17na
how effective would martial arts be in a real street fight?
If a trained kung-fu master fought a more conventional fighter, like Mike Tyson, would there be any competition?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1q17na/eli5_how_effective_would_martial_arts_be_in_a/
{ "a_id": [ "cd84a2r", "cd84jym", "cd84mym", "cd869hv" ], "score": [ 2, 3, 3, 2 ], "text": [ "Boxing is a martial art. Bruce Lee studied western boxing for the foot work. Any boxer would be a match for an untrained person. now comparing the effectiveness of each particular ...
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[ [], [], [], [ "http://www.youtube.com/watch?v=SFV66lBhyhM", "http://www.youtube.com/watch?v=B8AlAzZGX3Q", "http://www.youtube.com/watch?v=_d3KM_OMOxk&list=PLFC401B2883351982", "http://www.youtube.com/watch?v=HU-W0RayPSw", "http://www.youtube.com/watch?v=-AjiU79m44M", "http://www.yo...
6ckv27
how possible is it to digitally create/simulate the senses of smell, taste and touch the way audio/video simulate hearing/vision?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6ckv27/eli5_how_possible_is_it_to_digitally/
{ "a_id": [ "dhvg06g" ], "score": [ 2 ], "text": [ "Audio and visual elements do not 'simulate' things for the senses to experience. They actually put stuff out. A screen lights up, displays images in a 2D environment that our eyes can interpret as 3D. A speaker can vibrate the air to mimick the s...
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c2lhwr
- why, after drinking a good cup of coffee, people have to take a nice, healthy defecation?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/c2lhwr/eli5_why_after_drinking_a_good_cup_of_coffee/
{ "a_id": [ "erkwgz9", "ermi9ka" ], "score": [ 5, 2 ], "text": [ "This only happens to folks who don't drink multiple cups of coffee a day. As a person who averages 3-5 cups on a weekday this doesn't happen to me ever, and I'm not unique.", "I certainly wouldn’t call coffee shits “nice...
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[ [], [] ]
768mxo
if birth control makes your body think you’re pregnant why don’t pregnancy tests always test positive when you’re on it?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/768mxo/eli5_if_birth_control_makes_your_body_think_youre/
{ "a_id": [ "doc4fo5", "doc5d7w", "docemnv" ], "score": [ 14, 2, 9 ], "text": [ "Birth control affects the levels of hormones like estrogen/progesterone, which are always in your body (the levels just fluctuate).\n\nPregnancy tests test for HCG (human chorionic gonadotropin), a hor...
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[ [], [ "http://c8.alamy.com/comp/ADW0H6/menstrual-cycle-graph-menstruation-ADW0H6.jpg" ], [] ]
7uxyva
how do things like footprints get fossilized? is it the same process as bones?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7uxyva/eli5how_do_things_like_footprints_get_fossilized/
{ "a_id": [ "dtosl13" ], "score": [ 2 ], "text": [ "Something steps in mud and creates footprint. Mud dries out forming a hard imprint. Then soil/dirt/more mud eventually fills it up. Then eventually that layer gets eroded, leaving the original hardened mud layer.\n" ] }
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bxrdkl
why do some get severe anxiety from everyday scenarios while others don’t?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/bxrdkl/eli5_why_do_some_get_severe_anxiety_from_everyday/
{ "a_id": [ "eq96o5x", "eq98pa3" ], "score": [ 2, 2 ], "text": [ "Overtly active cortisol production, lack of socialization in infancy, a trauma has been linked to the aparent trigger.\n\nCould be a mix of any of them.", "From what I have read it could be a person suffering from A: Jus...
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[ [], [ "https://www.nimh.nih.gov/health/topics/anxiety-disorders/index.shtml" ] ]
aciaiw
why former presidents have secret service protection for life and why this concern isn't shared in other countries?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/aciaiw/eli5_why_former_presidents_have_secret_service/
{ "a_id": [ "ed82jt5", "ed82q8h", "ed835kr" ], "score": [ 33, 7, 4 ], "text": [ "They recieve permanent security detail so that they can feel free to make controversial or unpopular decisions without fear of assassination by some loon once they leave office.\n\nOther countries also...
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[ [], [], [] ]
2nv791
why is jewish and muslim more of an identity than christian or catholic.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2nv791/eli5_why_is_jewish_and_muslim_more_of_an_identity/
{ "a_id": [ "cmh6c3v", "cmh6y3u", "cmh74c0" ], "score": [ 6, 2, 3 ], "text": [ "It probably just seems that way in Europe and North America where Christianity is so ubiquitous.\n\nIn places like the Middle East and Asia, where Christians are a minority, they constitute a very disti...
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[ [], [], [] ]
10lnp2
- romney's "47 percent" video
Could someone explain in simple terms the basic points of what he was talking about in this video?? Thanks!
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/10lnp2/eli5_romneys_47_percent_video/
{ "a_id": [ "c6eisux", "c6ej9ya" ], "score": [ 2, 4 ], "text": [ "I believe he was saying that 47% of the population is going to vote for Obama by default, so there's no need in trying to get the support of that group of people.", "Basically there are these two people who want to want ...
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[ [], [] ]
7pmwy5
how do dvds work? how does a plastic disk with a reflective side hold data that can be observed at a later date?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7pmwy5/eli5_how_do_dvds_work_how_does_a_plastic_disk/
{ "a_id": [ "dsigbvh" ], "score": [ 8 ], "text": [ "It works very similar to an old record, actually. But, instead of bumps and a needle, it uses a reflector and a laser. \n\nThe reflective part isn't completely solid though , but rather contains TRILLIONS of little divots that don't reflect the l...
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4s0np1
why are chicken eggs shaped like a teardrop?
What particular advantage could it have over the round eggs of amphibians or the more oval shaped eggs of reptiles?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4s0np1/eli5_why_are_chicken_eggs_shaped_like_a_teardrop/
{ "a_id": [ "d55kpmr", "d55kyem" ], "score": [ 12, 16 ], "text": [ "They are less likely to roll out of a nest and fall out of the tree or roll away, since they roll in a circular motion due to the egg shape. Plus, the shells are hard, so the egg shape is easier to lay. Lizard eggs are usu...
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[ [], [] ]
ywefh
why americans have certain style of handwriting.
I lived in the States for over 5 years (not anymore) and noticed that most of my American friends had similar handwritings especially when they write on paper. For people here to say that "hey, I can write and that's not what my handwriting looks like!!", I know that I can't generalize, but still, even the computer f...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/ywefh/eli5_why_americans_have_certain_style_of/
{ "a_id": [ "c5zek87", "c5zer3g", "c5zjhaf", "c5zogeh" ], "score": [ 28, 8, 3, 3 ], "text": [ "Well, first of all, that's teenage (or 20s) girl handwriting. All three examples. I'd bet money on it. ", "[There are cultural differences in handwriting](_URL_2_), you're not...
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[ "http://www.reddit.com/r/funny/comments/yvdz5/so_my_buddy_and_his_lady_friend_came_back_from/", "http://www.reddit.com/r/funny/comments/yvbg3/this_was_on_my_bathroom_door_in_the_house_i_just/", "http://imgur.com/z5RKw", "http://imgur.com/NpOxN", "http://www.reddit.com/r/funny/comments/yvf66/pissed_off_count...
[ [], [ "http://www.menphis75.com/images/foto_varie/ScritturaAutomatica.JPG", "http://www.casaxeuropa.org/wp-content/uploads/2012/08/scrittura-creativa.jpg", "http://en.wikipedia.org/wiki/Regional_handwriting_variation", "http://img269.imageshack.us/img269/5646/scrittura2.png" ], [], [] ]
2vw0jp
why is it that the video games that involve shooting or some kind of violence or killing are the most popular?
I'm not trying to insinuate that all gamers are sadistic psychopathic killing machines I just notice that this is a trend which I also happen fall into.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2vw0jp/eli5_why_is_it_that_the_video_games_that_involve/
{ "a_id": [ "coldtd9", "coljqn8" ], "score": [ 5, 3 ], "text": [ "Actually, the most popular games tend to be simple ones like tetris, bejeweled, Farmville, and stuff like that. \n\nBut I think the reason violence works well with video games is it's the easiest human fantasy for them to s...
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2n8jw0
if marijuana is illegal in most states how "legal" is it when people post pics of their nugs on instagram and facebook?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2n8jw0/eli5_if_marijuana_is_illegal_in_most_states_how/
{ "a_id": [ "cmbcx5p", "cmbkuxw" ], "score": [ 4, 7 ], "text": [ "its not. however just because it is illegal does not mean it is punished or enforced. The state would have to pay someone to surf facebook and find weed. collect enough evidence and make sure the defendant can't say the pi...
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