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
2u5ppz
why do i get nauseous while playing certain video games?
So, I've been having motion sickness for almost all my life. Recently I've decided to give video games a try (I am a 26 YO female, but growing up I never played video games, Asian parents, enough said) but discovered that my eyes (my brain?) can't handle the two camera movements and first person mode, especially the tw...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2u5ppz/eli5_why_do_i_get_nauseous_while_playing_certain/
{ "a_id": [ "co5d6b2", "co5dlpe" ], "score": [ 4, 2 ], "text": [ "Could be motion sickness from a bad frame rate. You see it when you watch sports at 30 fps. It's not \"smooth\" enough for your brain to watch seemlessly and it looks jagged, it tries to fill in the gaps and leads to you fee...
[]
[]
[ [], [] ]
1r7a7t
who decides if a song is going to be called "artist 1 - song name feat. artist 2" or "artist 2 - song name feat. artist 1"?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1r7a7t/eli5_who_decides_if_a_song_is_going_to_be_called/
{ "a_id": [ "cdkb7ly" ], "score": [ 2 ], "text": [ "The artist's name who's putting out the album (in which the song is on) will have his/her name first, while the other artist will be the \"feat\". Also, I'd imagine the first artist is the one who invites someone else to be the feature on the son...
[]
[]
[ [] ]
3avsms
when i drank for the first time, 3 drinks made me feel drunk. 4 years later i can probably drink 3x that and feel the same (thanks college). if these two me's were breathalyzed, would we both produce the same bac, or is my body now just more used to the feeling of 3 drinks?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3avsms/eli5_when_i_drank_for_the_first_time_3_drinks/
{ "a_id": [ "csgf6bj", "csgf9nl", "csgughs" ], "score": [ 28, 8, 2 ], "text": [ "Your BAC is constant; tolerance merely refers to how much a given amount of alcohol affects your judgment, inhibitions, etc. So drinking the same amount of alcohol with the same body mass will yield th...
[]
[]
[ [], [], [] ]
1sxqx4
how does pressing my tongue against the roof of my mouth and my finger between my eyebrows get rid of a stuffy nose?
It works for me after about 15 seconds of doing it.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1sxqx4/eli5_how_does_pressing_my_tongue_against_the_roof/
{ "a_id": [ "ce29hhy", "ce29yk2", "ce29yos", "ce2awoy", "ce2bdi6", "ce2cdaq", "ce2ciux", "ce2csfg", "ce2epl2", "ce2f5rj", "ce2feqc", "ce2j0cb", "ce2osz9", "ce2rbx5", "ce2w8u4", "ce2wxik", "ce2xbd6", "ce2yo19" ], "score": [ 373, 20, ...
[]
[]
[ [], [ "http://en.wikipedia.org/wiki/Vomer" ], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [ "http://upload.wikimedia.org/wikipedia/commons/7/7c/Gray994.png" ], [] ]
ac75nf
how do electrical and chemical signals travelling through the neurons in the brain turn into images such as daydreams or whenever you imagine something
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/ac75nf/eli5_how_do_electrical_and_chemical_signals/
{ "a_id": [ "ed5onpy" ], "score": [ 4 ], "text": [ "The short answer is that we don't know. We have a pretty good understanding of how individual neurons works and even bundles of cells together. But, how that translates into consciousness and thought is unknown." ] }
[]
[]
[ [] ]
80koe1
why is an overbite more common than underbite for people needing braces?
Why does an overbite happen more naturally than underbites?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/80koe1/eli5_why_is_an_overbite_more_common_than/
{ "a_id": [ "dux5a7f" ], "score": [ 2 ], "text": [ "Has to do with the placement of the bottom teeth which are connected to the jaw which is connected by a hinge the top teeth being bigger and cortisol connected to the skull sit over the bottom teeth an exaggeration of this is called an over bite ...
[]
[]
[ [] ]
6dwkdv
how did conservative talk radio become so successful and why does there seem to be no liberal equivalent?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6dwkdv/eli5_how_did_conservative_talk_radio_become_so/
{ "a_id": [ "di5wyjs", "di5x7ta", "di5xiu0", "di5ybb9", "di5zjff" ], "score": [ 7, 3, 2, 2, 2 ], "text": [ "Liberals don't like being yelled at or lied to.\n\nFor reasons I don't understand conservative white people like both.\n\n", "There's some good informatio...
[]
[]
[ [], [], [], [], [] ]
21vc68
why is the va medical system so bad?
I don't understand at all, and I KNOW its because my grandfather was treated with nothing less than what the queen would get. It because he was in the first batch of people to ever get an artificial heart valve, experiment by the VA. His companions all died within 5 years, even following the strict diet, with the valv...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/21vc68/eli5_why_is_the_va_medical_system_so_bad/
{ "a_id": [ "cggy3ju", "cggunbm", "cggupbs", "cggus0f" ], "score": [ 3, 3, 2, 6 ], "text": [ "I just signed up with the VA a few months ago so I would be good for the ACA. I served in the late 90's but never used the VA before. My first appt. was within a week. I showed up ...
[]
[]
[ [], [], [], [] ]
7kx65g
why do they offer a “mid tier” option at gas stations?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7kx65g/eli5_why_do_they_offer_a_mid_tier_option_at_gas/
{ "a_id": [ "drhusc6" ], "score": [ 2 ], "text": [ "Yes, a small number of cars specify this octane level.\n\nNote that these grades are *not* quality levels, but octane levels -- basically, how hard your engine can compress the fuel-air mixture without risking spontaneous ignition." ] }
[]
[]
[ [] ]
16ssak
how do they use camera techniques in lotr and the hobbit to make humans seem taller and hobbits seem shorter.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/16ssak/eli5how_do_they_use_camera_techniques_in_lotr_and/
{ "a_id": [ "c7z2bia", "c7z3gbw", "c7z7f9j", "c7z7xri" ], "score": [ 9, 2, 2, 3 ], "text": [ "_URL_0_\n\nBOOM forced perspective. done", "Go outside and look at a field of cows. \n\nThe cows closer to you look bigger than the cows further away. \n\nThe same thing is don...
[]
[]
[ [ "http://www.gtack.com/p.php?p=7ywux4c7&s=3" ], [], [], [ "http://www.imdb.com/name/nm0787449/" ] ]
1sf52c
why, biologically, does rubbing one's eyes make them red; and what do eyedrops do exactly to treat this?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1sf52c/eli5_why_biologically_does_rubbing_ones_eyes_make/
{ "a_id": [ "cdx3z68" ], "score": [ 4 ], "text": [ "When you rub your eyes it stimulates the blood vessels and causes them to get bigger (dilate), so you see more of the red. Eye drops that \"get the red out\" are called vaso constrictors. They cause the vessels to get smaller (constrict), so you ...
[]
[]
[ [] ]
5ik6mz
what is euler's formula and why is it "beautiful and mysterious?"
I was perusing through r/theydidthemath and, within the comments, someone said their favorite formula was Euler's formula, and they and several others were saying they loved how beautiful and mysterious it was. Well I Googled it and I can even understand most of the words describing it, let alone see the beauty in it,...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5ik6mz/eli5_what_is_eulers_formula_and_why_is_it/
{ "a_id": [ "db8t4xa", "db96d9u" ], "score": [ 3, 3 ], "text": [ "Eulers formula is basically a formula that relates 3 important concenpts in mathmatics. e, which is the base of the natural logarithm an important irrational number, i which is the 'imaginary' base number and the cos and sin...
[]
[]
[ [], [] ]
33t5yl
why isn't mouthwash a good enough substitute for toothpaste?
It seems to me like a liquid can get into more places than the bristles of a toothbrush. So if done for the same amount of time then surely they should be at least equal if not mouthwash a bit better.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/33t5yl/eli5_why_isnt_mouthwash_a_good_enough_substitute/
{ "a_id": [ "cqo58ch", "cqo7pls", "cqoankp" ], "score": [ 5, 2, 3 ], "text": [ "Toothpaste is a mild abrasive.This means that it is better at scraping, specifically scraping plaque from the teeth. Mouthwash does not have this property, and may not remove all plaque and food scraps ...
[]
[]
[ [], [], [] ]
2yhuv8
why are tanks for liquid transport round instead of square?
You can transport a higher volume in a box than in a cilinder, why do they do this?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2yhuv8/eli5_why_are_tanks_for_liquid_transport_round/
{ "a_id": [ "cp9nbak", "cp9npu2", "cp9nw3b" ], "score": [ 7, 5, 3 ], "text": [ "The cylinder (or sphere) equalizes the pressure of the liquid contents better.", "In squares (or any shape with a corner), the corners act as stress risers, making failure more likely in the event o...
[]
[]
[ [], [], [] ]
31gxmf
why does my piss sometimes smell like sugar puffs?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/31gxmf/eli5_why_does_my_piss_sometimes_smell_like_sugar/
{ "a_id": [ "cq1ft0q" ], "score": [ 5 ], "text": [ "Do you have Diabetes? There is also something called Maple Syrup urine disease." ] }
[]
[]
[ [] ]
dkrijz
what is the advantage of using root mean square velocity over average velocity?
Specifically, for gases with particles having a Maxwell-Boltzmann distribution.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/dkrijz/eli5_what_is_the_advantage_of_using_root_mean/
{ "a_id": [ "f4j790g", "f4jgl8a" ], "score": [ 4, 4 ], "text": [ "I cannot speak to the maxwell-boltzmann distribution, but from my knowledge of calculus and math in general: RMS weights the average in such a way as to give accurate representation of energy. The average velocity, then squa...
[]
[]
[ [], [] ]
6qw3e6
how do scientists know the exact number of protons, electrons and neutrons present in an atom?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6qw3e6/eli5_how_do_scientists_know_the_exact_number_of/
{ "a_id": [ "dl0hajc", "dl0qnr2", "dl17fja" ], "score": [ 627, 18, 4 ], "text": [ "Before any concept of subatomic particles, people knew about atoms and elements via a wide array of experiments (which could be detailed, but isn't really relevant to this story). When you have a pu...
[]
[]
[ [], [ "https://www.reddit.com/r/explainlikeimfive/comments/5yk23z/eli5_how_did_we_figure_out_how_many_protons_each/", "https://www.reddit.com/r/explainlikeimfive/comments/3qs8at/eli5_how_did_scientists_figure_out_how_many/" ], [] ]
38zkfx
what kind of damage wasp spray does to a human.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/38zkfx/eli5_what_kind_of_damage_wasp_spray_does_to_a/
{ "a_id": [ "crz481m", "crz5g40" ], "score": [ 2, 2 ], "text": [ "Open it up so you don't get stink set into the cabinet. You'll be fine so long as you don't go huffing it.", "Not too much. Now a days pesticides are relatively save in acute low dose cases. You can get sick from ingesti...
[]
[]
[ [], [] ]
4h3yv6
if every person's genome is unique, where along the umbilical cord does the mother's genome end and the child's begin?
The genome is obviously specific to an individual's cells, but the umbilical cord transports nutrients and blood and the like to the child. Is the cord itself the child's genome but what it transports are the mother's?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4h3yv6/eli5_if_every_persons_genome_is_unique_where/
{ "a_id": [ "d2n7eps", "d2n7k45", "d2n9n5k", "d2nbn0q" ], "score": [ 2, 29, 3, 2 ], "text": [ " > The cells in the placenta, like all nucleated cells, contain DNA. The placenta is derived from fetal cells, with a contribution from the lining of the mother’s uterus. These m...
[]
[]
[ [ "http://www.nsta.org/publications/news/story.aspx?id=53497" ], [], [], [] ]
2aol1g
how does dust collect, and why do some rooms in my house seem to be dustier than others?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2aol1g/eli5_how_does_dust_collect_and_why_do_some_rooms/
{ "a_id": [ "cix7d7l" ], "score": [ 3 ], "text": [ "Dust is made of tiny particles that float in air. When air moves through your home it pushes around little specks of dirt/ash/dander/pollen/skin and sometimes they settle on the top surfaces of things.\n\nSome rooms may be dustier if you spend m...
[]
[]
[ [] ]
1e6u5y
the difference between polygons and voxels
Maybe "explain like I'm not a computer science expert" would be more appropriate. From my understanding, both polygons and voxels are point-clouds. People whom I ask to explain this to me always say that voxels are more computationally expensive, harder to animate, and the likes but no real reason is given about why th...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1e6u5y/eli5_the_difference_between_polygons_and_voxels/
{ "a_id": [ "c9xcd0e", "c9xcdpo", "c9xci5v", "c9xejuj", "c9xg79s" ], "score": [ 3, 2, 3, 2, 3 ], "text": [ "A voxel is just a little block, like Minecraft buildings. So voxel animation is just having lots of little boxes there, and performing computation each time t...
[]
[]
[ [], [], [], [], [ "http://ftp.alvyray.com/Memos/CG/Microsoft/6_pixel.pdf", "http://media.bestofmicro.com/5/4/224392/original/last.jpg", "http://research.microsoft.com/en-us/um/people/kopf/pixelart/supplementary/comparison_bicubic.html" ] ]
44aojs
how does the 5th amendment (to the us constitution) work? logically, couldn't you come to the conclusion that someone is guilty because they keep invoking it? isn't it the same as a confession?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/44aojs/eli5_how_does_the_5th_amendment_to_the_us/
{ "a_id": [ "czor2mc", "czorbi0", "czoritw", "czorjpt", "czoro16", "czos5gj", "czossnd" ], "score": [ 7, 27, 3, 98, 7, 3, 2 ], "text": [ "No. Someone has to be proven guilty, *beyond a reasonable doubt*. The fact that they refuse to testify does not ...
[]
[]
[ [], [], [], [], [], [], [] ]
4399n4
if farmers have to rotate crops every other year to reduce nutrient drain in soil, why can trees and other plants live for so long without doing the same?
Trying to post this again. On mobile and fucked up the title.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4399n4/eli5_if_farmers_have_to_rotate_crops_every_other/
{ "a_id": [ "czggr27", "czgh91r", "czgi0u9", "czgigu6", "czgmf37", "czgog20", "czgoo6d", "czgq6y9", "czgqp2i" ], "score": [ 114, 4, 80, 12, 20, 2, 2, 8, 14 ], "text": [ "Farm crops are much faster growing than trees and other plants, ...
[]
[]
[ [], [], [ "https://en.wikipedia.org/wiki/Companion_planting" ], [], [], [], [], [], [] ]
29v4ut
why don't all cars have curved side mirrors, wouldn't that eliminate blind spots and therefore shoulder checking?
I'm a courier driver and I always have to shoulder check but why don't they just have curved mirrors or just two mirrors on top of each other that are directed in different angles to cover every view behind/beside you?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/29v4ut/eli5_why_dont_all_cars_have_curved_side_mirrors/
{ "a_id": [ "cios66l", "cioud3t", "cioumga" ], "score": [ 2, 3, 7 ], "text": [ "It would reduce, not eliminate blind spots. The drivers' side mirror is flat so distances can be better judged.\n\nYou can purchase Euro-style mirrors for some cars, in which the leftmost part of the dr...
[]
[]
[ [], [], [ "http://wheels.blogs.nytimes.com/2009/08/18/are-blind-spots-a-myth/?_php=true&_type=blogs&_r=0" ] ]
3o9fdx
nickelback hate.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3o9fdx/eli5_nickelback_hate/
{ "a_id": [ "cvv5pn6", "cvv5vaw", "cvv5vx3", "cvv62i7", "cvv6of4", "cvv6pbz" ], "score": [ 7, 21, 29, 3, 2, 5 ], "text": [ "I seem to recall one of their albums being advertised on primetime television. That was the height of corporate whoredom. Also really ...
[]
[]
[ [], [], [ "https://www.youtube.com/watch?v=Qs4tNeGyTyI" ], [], [ "https://www.youtube.com/watch?v=7uSlqI1AVUk" ], [ "https://np.reddit.com/r/Music/comments/18kyy4" ] ]
9hcvcc
if earth has the perfect conditions for life to form, then why is all life the result of a single genesis event and not many?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9hcvcc/eli5_if_earth_has_the_perfect_conditions_for_life/
{ "a_id": [ "e6ayhog", "e6ayl81", "e6az9eq", "e6azftr", "e6azwuh", "e6b0o7z", "e6bcabu", "e6bf6dv", "e6biorn", "e6bmk0h" ], "score": [ 8, 28, 373, 5, 6, 17, 9, 5, 5, 3 ], "text": [ "Many people think life *had* the perfect con...
[]
[]
[ [], [], [], [], [], [], [], [], [], [] ]
3gbqn2
why do some animals have hooves while others have feet or paws?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3gbqn2/eli5_why_do_some_animals_have_hooves_while_others/
{ "a_id": [ "ctwpp28", "ctws3v3" ], "score": [ 9, 2 ], "text": [ "I'm not sure I fully understand your question. There's no specific *reason* why any part of an animal looks or functions the way it does, other than the fact that at some point in the animal's evolutionary history it must ha...
[]
[]
[ [], [] ]
8l46io
what happens if someone has stock in a company that is eventually bought by a larger company?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8l46io/eli5_what_happens_if_someone_has_stock_in_a/
{ "a_id": [ "dzconsp", "dzcoo7q", "dzcq8vp", "dzcsjq3", "dzcsyef" ], "score": [ 47, 7, 9, 2, 5 ], "text": [ "It depends on the structure of the deal.\n\nSometimes the larger company pays cash for the stock. They usually offer a higher price than the current market p...
[]
[]
[ [], [], [], [], [] ]
2itdwa
why are hazmat suits so big and bulky? how come they can't make them smaller and slimmer?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2itdwa/eli5why_are_hazmat_suits_so_big_and_bulky_how/
{ "a_id": [ "cl5awbr", "cl5dsfp" ], "score": [ 2, 2 ], "text": [ "They are a few sizes fits all and they are positive pressure suits so if one gets a hole, air flows out. ", "They are both positive pressure and most contain a SCUBA apparatus. This alone results in a system that isn't s...
[]
[]
[ [], [] ]
29rf5k
when was the second amendment limited to firearms (as opposed to explosives)?
There are a lot of great sources out there regarding the history of gun control. But what I can't find is the transition from "arms" to "man-portable firearms" as constitutionally protected. Clearly, citizens of the early American republic could (and sometimes did) possess artillery and explosives. Was there a defining...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/29rf5k/eli5_when_was_the_second_amendment_limited_to/
{ "a_id": [ "cinrq35" ], "score": [ 3 ], "text": [ "Explosives were explicitly restricted in the 1934 National Firearms Act, where most explosives and any non-shotgun with a bore larger than 0.5\" became regulated as [destructive devices](_URL_0_). There are strict regulations on the manufacture ...
[]
[]
[ [ "http://en.wikipedia.org/wiki/Destructive_device" ] ]
1381h4
why does the conflict between the israelis and the palestinians effect american foreign policy.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1381h4/eli5_why_does_the_conflict_between_the_israelis/
{ "a_id": [ "c71ornv" ], "score": [ 2 ], "text": [ "Without being as cynical as the other answers so far, Jews are an influential voting minority in the United States and this means the government gives aid to Israel. This is supported/perpetuated by lobbying from Israel like with Birthright where...
[]
[]
[ [] ]
1ebawe
the new gun laws in the us and what they change.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1ebawe/eli5_the_new_gun_laws_in_the_us_and_what_they/
{ "a_id": [ "c9yjkhc" ], "score": [ 2 ], "text": [ "I'm not sure there have been any new (nation-wide) gun laws actually passed. What specific law are you talking about?" ] }
[]
[]
[ [] ]
3aytb1
in the usa, why does the fcc allow all of a female breast to be shown on public tv, except for the areola and nipple?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3aytb1/eli5_in_the_usa_why_does_the_fcc_allow_all_of_a/
{ "a_id": [ "csh7f6c", "csh7fg5", "csh7kry", "csh7zpk", "cshdtfc" ], "score": [ 16, 5, 4, 9, 2 ], "text": [ "It's because cleavage, and even side boob, are apart of normal clothing for women to wear. Showing the whole nipple however is not and is very preventable. I...
[]
[]
[ [], [], [], [ "https://consumercomplaints.fcc.gov/hc/en-us/articles/202731600-Obscene-Indecent-and-Profane-Broadcasts" ], [ "https://consumercomplaints.fcc.gov/hc/en-us/articles/202731600-Obscene-Indecent-and-Profane-Broadcasts" ] ]
6w1twb
is sids (sudden infant death syndrome) really that mysterious, or is it just a diagnose stated to ease some of the blame from the parents?
I don't want to sound insensitive, but I've been thinking about SIDS a lot as a parent of two. Whenever I read about it, and how to prevent it, one thing that always strikes me is that all of the methods to avoid it involves stuff like not sleeping next to your child (especially after drinking or taking drugs), not cov...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6w1twb/eli5_is_sids_sudden_infant_death_syndrome_really/
{ "a_id": [ "dm4oo75", "dm4s0ss", "dm5apro", "dm5ob8b", "dm5wlfs" ], "score": [ 41, 14, 24, 5, 2 ], "text": [ "Yarr! Yer not alone in askin', and kind strangers have explained:\n\n1. [Is SIDS a catch all if there's no other explanation for a baby's death, or is it a...
[]
[]
[ [ "https://www.reddit.com/r/NoStupidQuestions/comments/5jkaom/is_sids_a_catch_all_if_theres_no_other/", "https://www.reddit.com/r/explainlikeimfive/comments/1l3fes/eli5_sudden_infant_death_syndrome_sids/", "https://www.reddit.com/r/explainlikeimfive/comments/22vxx7/eli5_what_exactly_is_sids_sudden_infan...
2qtkwy
whats the difference between extraneous variables and confounding variables (in psychology)
Or are they the same thing?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2qtkwy/eli5_whats_the_difference_between_extraneous/
{ "a_id": [ "cn9d1tk" ], "score": [ 3 ], "text": [ "a confounding variable is a special type of extraneous variable. a confounding variable varies with the independent variable, whereas general extraneous only means that it adds error or noise to findings, but...not in a predictable fashion.\n\nc...
[]
[]
[ [] ]
k5vhw
dizziness,how and why?
I always get dizzy but never understood it.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/k5vhw/eli5_dizzinesshow_and_why/
{ "a_id": [ "c2hqzgp", "c2hqzgp" ], "score": [ 8, 8 ], "text": [ "First off, how frequently do you get dizzy? Most doctors do not touch the symptom dizzy because it could have a neurological and/or middle/inner ear problem associated with it and you need to see an ENT (ear nose throat) doc...
[]
[]
[ [ "http://en.wikipedia.org/wiki/Epley_maneuver" ], [ "http://en.wikipedia.org/wiki/Epley_maneuver" ] ]
3o50u1
how exactly does our sense of smell work?
I understand our sense of smell the least. Sight and hearing are possible because of light and sound waves. Touch and taste are reactions in our bodies triggered by some direct contact. How does smell work? What do objects "give off" that allow us to smell them? What actually travels to our noses? How does that fleshy ...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3o50u1/eli5_how_exactly_does_our_sense_of_smell_work/
{ "a_id": [ "cvu2x15" ], "score": [ 2 ], "text": [ "Minuscule particles emitting from some source is able to act as a \"key\" to one of your smell receptors in your nose. This \"key\" will then trigger the receptor to emit a signal that is sent to the brain and then relayed back to the sensors wit...
[]
[]
[ [] ]
dwwzjz
how and why are the records of pro boxers and mma fighters so lopsided?
A lot of fighters end up retiring undefeated or with one or two losses on their records. Is there just that big of a skill gap, or do their managers intentionally schedule cupcakes against them to build hype for marquee match-ups, or is it a combo of both?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/dwwzjz/eli5_how_and_why_are_the_records_of_pro_boxers/
{ "a_id": [ "f7m1dng", "f7m34xg", "f7m5md6" ], "score": [ 9, 5, 3 ], "text": [ "the vast majority of their fights happen in somewhat local/regional events all over the world. Then they take a couple undercards and if they lose you usually dont hear about them again, but if they win...
[]
[]
[ [], [], [] ]
8zxwnu
how do we decide that two languages are different languages, not different dialects?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8zxwnu/eli5_how_do_we_decide_that_two_languages_are/
{ "a_id": [ "e2m8avh", "e2mdr65", "e2ogmde", "e2pug8f" ], "score": [ 8, 4, 2, 2 ], "text": [ "There's not really a defined difference between them but it's much more of a question of conventionality.\n\nThere's the joke answer linguists typically give: \"A language is a dia...
[]
[]
[ [], [], [], [] ]
621z5j
why can't we make out own free isp?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/621z5j/eli5_why_cant_we_make_out_own_free_isp/
{ "a_id": [ "dfj2gw2", "dfj2k8g" ], "score": [ 2, 2 ], "text": [ "Because the ISP owns all of the infrastructure that gets the internet into your home. It would not be free to pay for the necessary equipment to start your own ISP, even if you were just running it for yourself. The guy in [...
[]
[]
[ [ "https://arstechnica.com/business/2014/04/one-big-reason-we-lack-internet-competition-starting-an-isp-is-really-hard/" ], [] ]
43zq9l
why is the 4k (2x higher res) version of this footage nearly half the size of the hd file?
_URL_0_
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/43zq9l/eli5_why_is_the_4k_2x_higher_res_version_of_this/
{ "a_id": [ "czm7dm5", "czmhxkm" ], "score": [ 2, 2 ], "text": [ "Both of those files are compressed.\n\nThey are different file types (the 4k one is an MP4 file, the HD one is a .MOV file), and the file types use different compression methods. But I don't think that would account for the ...
[]
[ "https://www.pond5.com/stock-footage/43390900/secretary-cordell-hull-collecting-newspaper.html" ]
[ [], [] ]
29p5yc
why do i always need a blanket to sleep even though it's hot as hell?
Edit: Thanks for the responses was just curious if other people had the same experience
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/29p5yc/eli5_why_do_i_always_need_a_blanket_to_sleep_even/
{ "a_id": [ "cin4nto", "cin4uty", "cin55fo", "cin5r31", "cin60hu", "cin68o1", "cin6ws7", "cin6x8c", "cin7dge", "cin7qvk", "cin84ix", "cin9jbf", "cin9szc", "cinadq6", "cinagm7", "cinangc", "cinbcp6", "cing3vg", "cinn3du" ], "score": [ ...
[]
[]
[ [], [], [], [], [], [], [], [], [ "http://www.reddit.com/r/explainlikeimfive/comments/1gk3vm/eli5_why_do_humans_have_such_a_strong_desire_to/cal5v5m", "http://www.researchgate.net/publication/51840615_Somatosensory_processing_in_neurodevelopmental_disorders" ], [], [], [], [], []...
y34nd
.why does it feel so good to take a great big shit?
Besides the basic overall good feeling of no longer having to poop, why does it feel so fucking good to take a big dump? The kind where you stretch it out because you have the place all to yourself.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/y34nd/elifwhy_does_it_feel_so_good_to_take_a_great_big/
{ "a_id": [ "c5rw4b1", "c5rw9ie", "c5rwmj7", "c5rxeak", "c5rxt99", "c5rxztk", "c5rytwk", "c5s0u5b" ], "score": [ 32, 61, 15, 6, 2, 6, 3, 2 ], "text": [ "If you're not already a gay man, you will be after you get the answer to this.", "Thi...
[]
[]
[ [], [], [], [], [], [ "http://www.drstool.com/poophoria.php" ], [], [ "https://en.wikipedia.org/wiki/Prostate_massage" ] ]
33vcdl
why is allowing women into clubs free before a certain time not illegal? why isn't this considered discrimination?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/33vcdl/eli5_why_is_allowing_women_into_clubs_free_before/
{ "a_id": [ "cqop5gf" ], "score": [ 2 ], "text": [ "Because the men who go to those clubs want there to be more women, thus more chance at finding a date, and aren't complaining about efforts made to attract more women to clubs that aren't normally as welcoming." ] }
[]
[]
[ [] ]
3h6phn
why do people like to consume the same media (music, movies, etc) repeatedly? is it biological?
Thanks for your help! Just was curious about while I was singing along to a song.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3h6phn/eli5_why_do_people_like_to_consume_the_same_media/
{ "a_id": [ "cu4pt7u", "cu4q34u", "cu4rbty", "cu4tj7v" ], "score": [ 31, 2, 7, 3 ], "text": [ "I noticed when my daughter was quite young that she really, really loved the ability to anticipate what was going to happen next in a movie. She would watch a particular film hun...
[]
[]
[ [], [], [], [ "http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0027241" ] ]
8v7miv
what is coinstar and how does it work?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8v7miv/eli5_what_is_coinstar_and_how_does_it_work/
{ "a_id": [ "e1l6wyo", "e1l6yxe", "e1l7fk4" ], "score": [ 3, 6, 2 ], "text": [ "It's a service where you can take your coins, pour it into a machine, it takes .11 for every dollar, it prints a voucher, you take it to customer service, they scan it, and give you cash. \n\nYou can al...
[]
[]
[ [], [], [] ]
asozu7
fur on coat hoods?
I know in arctic/antarctic climates, people wear coats with fur around the opening of the hood to keep their breath from freezing on their face. Why/how does this work?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/asozu7/eli5_fur_on_coat_hoods/
{ "a_id": [ "egvoa36", "egx6z7w" ], "score": [ 7, 2 ], "text": [ "Pretty much the same way that fur works in general. One of the best insulators is just plain old air. Heat transfers in a few ways, but the one you're going to run into most in cold environments is conduction, where your war...
[]
[]
[ [], [] ]
7hu3my
say i follow suit like many others in covering up my webcam due to security reasons, what other precautions should i think about?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7hu3my/eli5_say_i_follow_suit_like_many_others_in/
{ "a_id": [ "dqttz4g" ], "score": [ 4 ], "text": [ "Use a virtual private network anytime you are connecting to a public WiFi hotspot, or when conducting activities online that you do not want to be traceable. I use ProtonVPN.\n\nUse NoScript, Disconnect, HTTPS Everywhere, AdBlock, etc. when brows...
[]
[]
[ [] ]
77pne6
how does changing to snow tires for season work?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/77pne6/eli5how_does_changing_to_snow_tires_for_season/
{ "a_id": [ "donq6i3", "donqeao", "donqmpz", "donqu71", "donrysl", "dont3pa", "donxikt", "doo3mr8", "doo3ob5", "doo6fch" ], "score": [ 7, 2, 2, 4, 6, 3, 2, 2, 2, 2 ], "text": [ "So I live in the Upper Peninsula, where snow is ...
[]
[]
[ [], [], [], [], [], [], [ "https://www.youtube.com/watch?v=GlYEMH10Z4s" ], [], [], [] ]
5hmojk
explain me voltage, electricity and current like i'm literally 5
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5hmojk/eli5_explain_me_voltage_electricity_and_current/
{ "a_id": [ "db1asl2", "db1box5", "db1brt1" ], "score": [ 5, 3, 5 ], "text": [ "Electricity is the build up of electrons.\n\nCurrent is the movement of electrons.\n\nVoltage is how hard the current is being pushed.\n\nAmperage is how many electrons are being pushed.\n\n", "Atom...
[]
[]
[ [], [], [] ]
1dunhz
how does a tax haven country benefit from the rich storing their money there?
Please ELI5 how does attracting rich people to store their personal wealth in a tax haven benefit a country? Assuming there is extremely low or 0% tax, are there any benefits socially, politically or economically? I've been wondering how a country like Singapore work its growth model.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1dunhz/eli5_how_does_a_tax_haven_country_benefit_from/
{ "a_id": [ "c9u0wrl", "c9u5nco", "c9u9di1" ], "score": [ 36, 4, 2 ], "text": [ "You put the money into a bank in that tax haven.\n\nBanks, when they look after your money, don't just leave it sitting in the safe doing nothing. They invest it! They might do this by lending it to ot...
[]
[]
[ [], [], [] ]
4noge6
why do us gold coins have a particular value (i.e $25) attached to them if the gold itself is worth hundreds, if not thousands of dollars?
_URL_0_
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4noge6/eli5_why_do_us_gold_coins_have_a_particular_value/
{ "a_id": [ "d45kojl", "d45m4uw", "d45njqn" ], "score": [ 24, 6, 2 ], "text": [ "In order to be minted as valid currency, they must have a value assigned to them. Since the value of gold fluctuates, it makes no sense to print actual value. Instead, the mints choose smaller denomina...
[]
[ "https://invest.usgoldbureau.com/50-gold-american-eagle-1-troy-oz-gold-coin-bu?custentity_campaign_search=AdWords&custentity_campaign_type=Search&custentity_campaign_keyword=&custentity_campaign_family=87949694839&gclid=CjwKEAjw7e66BRDhnrizmcGc8VcSJABR6gaR9zFCXoZwkHfWOavCR60v6-V9fu2QMKgkZcwwScg2tBoC...
[ [], [], [] ]
1s0j61
how hexidecimal can be converted to text
So this question was inspired by a hexidecimal "code" on an /r/wtf thread, which read 53 48 4d 58 54 51 4b 2e 42 4e 4c 2f 4d 47 4b 35 4a 33 30 and translated to SHMXTQK.BNL/MGK5J30 Now, all that I know is hexidecimal is base 16, but how the hell can it be converted from a string of numbers to text?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1s0j61/eli5how_hexidecimal_can_be_converted_to_text/
{ "a_id": [ "cdsplx2", "cdspsgz" ], "score": [ 3, 4 ], "text": [ "The thing you are missing/forgetting is that those numbers are converted to ASCII text characters.\n\n[Here is a chart](_URL_0_) of the ASCII system.\n\nIn it, you can look up what any number translates to in ASCII. For exa...
[]
[]
[ [ "http://www.asciitable.com/index/asciifull.gif" ], [] ]
8drctq
why is it easier to drink from a paper cup than from a glass mug when moving in a car?
I think its related to physics in some way
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8drctq/eli5_why_is_it_easier_to_drink_from_a_paper_cup/
{ "a_id": [ "dxpdz2u" ], "score": [ 5 ], "text": [ "The paper cup is flexible. Accommodation to bumpy going can be unconsciously accommodated by small movements of the teeth, lips and container." ] }
[]
[]
[ [] ]
3ksgns
how does advertising work so well? don't advertisements annoy many people to the point of not wanting to buy their product?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3ksgns/eli5_how_does_advertising_work_so_well_dont/
{ "a_id": [ "cv0210x", "cv04weo" ], "score": [ 4, 4 ], "text": [ "I think there are levels to ads. Like some are good and they leave the impression of quality like on telly then there are banner ads where I wouldn't even try to remember what they advertise", "Oscar Wilde once said, \...
[]
[]
[ [], [ "https://www.youtube.com/watch?v=Is3icfcbmbs" ] ]
6hzd01
why is it that some people can stand the sight of blood while others get dizzy and nauseous from seeing just a drop.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6hzd01/eli5_why_is_it_that_some_people_can_stand_the/
{ "a_id": [ "dj2a5uw", "dj2a68m" ], "score": [ 3, 3 ], "text": [ "For many, seeing blood makes us slightly uneasy. For others, it's extremely stressful. Researchers believe that everybody has this fainting reflex when seeing blood and guts, to some degree (The exception would be doctors an...
[]
[]
[ [], [] ]
2uulxj
why on mobile (reddit is fun) do approximately 3/4 of images or links show up as naught upon clicking the link?
It's frustrating as hell, even with a robust internet connection, to not be able to load/view a great number of potentially time-wasting gifs and images. I get that tiny thumbnail of a broken image.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2uulxj/eli5_why_on_mobile_reddit_is_fun_do_approximately/
{ "a_id": [ "cobu9ax" ], "score": [ 2 ], "text": [ "I don't have the answer, but this doesn't really seem like an ELI5, more of just a regular question" ] }
[]
[]
[ [] ]
3udza3
why aren't smaller dog breeds less intelligent despite having a smaller head size?
This might seem like a stupid question but I've always been curious as to why the size of the brain doesn't seem to have a large impact on intelligence. Anyone with neuroscience knowledge wanna help me out?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3udza3/eli5_why_arent_smaller_dog_breeds_less/
{ "a_id": [ "cxe2r4s", "cxe72vs" ], "score": [ 3, 5 ], "text": [ "1. their brains aren't that much smaller. the actual cranial volume between breeds of dogs is much less variable than other parts of their body.\n\n2. smaller breeds of dogs are actually dumber and have shittier neuro-muscul...
[]
[]
[ [], [] ]
41g4nj
why aren't people electrocuted during a flash flood/storm?
As we all know water and electricity is a no go. I'd imagine all the fallen power lines and all electrical equipment would at least cause a tingling sensation for the unfortunate people stuck in a flash flood. What happens with all the electricity during a flood/storm?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/41g4nj/eli5_why_arent_people_electrocuted_during_a_flash/
{ "a_id": [ "cz23pk4", "cz3kdul" ], "score": [ 2, 2 ], "text": [ "Being electrocuted in the water isn't easy. I know you get told a lot about not taking a bath during a lightning storm. But chances are even if you did, nothing would happen. There are still thigns taller than you, still a w...
[]
[]
[ [], [] ]
9n8qq5
the way characters hold knives in movies / games
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9n8qq5/eli5_the_way_characters_hold_knives_in_movies/
{ "a_id": [ "e7kerz1", "e7kerzi" ], "score": [ 11, 2 ], "text": [ "from many years of martial arts ive learned there are many different forms for gripping a knife, forward is a quick slash and jabbing in the chest/gut area. holding it with the blade pointing backward is a more artery attac...
[]
[]
[ [], [] ]
fkup6g
if we all received a a universal income, doesn't this just increase the price of every product and service, defeating the purpose?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/fkup6g/eli5_if_we_all_received_a_a_universal_income/
{ "a_id": [ "fkuvx0x", "fkuw5vg", "fkuwakq" ], "score": [ 4, 3, 2 ], "text": [ "The increase is relatively small, the impact is of a similar scale to a moderate increase in the minimum wage, since the money is given regardless of income some individuals will see a dramatic increase...
[]
[]
[ [ "https://youtu.be/5Ffh7JEz1x4" ], [], [] ]
24akwa
how the hell does tmz get information before anyone else?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/24akwa/eli5_how_the_hell_does_tmz_get_information_before/
{ "a_id": [ "ch57756" ], "score": [ 2 ], "text": [ "Freelancers sell them celebrity information for a price. " ] }
[]
[]
[ [] ]
1stye0
why do we sometimes hear sounds that arn't there?
why do we sometimes hear someone call our name or our phone ring when it didn't?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1stye0/eli5why_do_we_sometimes_hear_sounds_that_arnt/
{ "a_id": [ "ce17df4" ], "score": [ 3 ], "text": [ "Ears are crazy complicated, with lots of little parts that have to react to extremely small amounts of energy. And it takes several different parts of your brain to process the information being sent by your ears for you to be able to make sense ...
[]
[]
[ [] ]
67kumk
what does the rpm of hard drives mean, and why is it important?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/67kumk/eli5_what_does_the_rpm_of_hard_drives_mean_and/
{ "a_id": [ "dgr6qeh", "dgr6r0m" ], "score": [ 2, 6 ], "text": [ "Rpm is revolutions per minute. It means how fast does the drive spin.\n\nFaster RPM's mean the hard drive has a lower seek time (time finding the data), and it can read the data at a faster rate (although density matters he...
[]
[]
[ [], [] ]
3mk76n
how is apple able to have such a smooth ui, with so little ram?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3mk76n/eli5_how_is_apple_able_to_have_such_a_smooth_ui/
{ "a_id": [ "cvfnasr", "cvfndr3", "cvfnhcp" ], "score": [ 13, 7, 4 ], "text": [ "Because apple produces its software for a limited number of devices which they also fully control. This means they are better able to optimise the device for the software and the software for the devic...
[]
[]
[ [], [], [] ]
ps76y
pakistan's government and politics.
I'm so lost could someone give me a basic rundown and maybe mention the beliefs of the various parties and just what the government is?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/ps76y/eli5_pakistans_government_and_politics/
{ "a_id": [ "c3rv0p7" ], "score": [ 3 ], "text": [ "Even though Pakistan technically has a parliamentary democracy like Western countries, their military and their intelligence agency (the ISI) have their own ideas, policies, and allies. The parliamentary government focuses on the public things: b...
[]
[]
[ [] ]
a9ac3f
why do trees survive fires right next to burned down buildings?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/a9ac3f/eli5_why_do_trees_survive_fires_right_next_to/
{ "a_id": [ "echpg1q" ], "score": [ 3 ], "text": [ "Chemistry and physics both play a roll, but in the specific context of the recent California fires, the fires burned so hot and spread so fast, the trees were largely unscathed due to prevailing winds." ] }
[]
[]
[ [] ]
21i68q
music theory. in general, but more specifically musical keys.
For the specific part, what does it mean that something is in a key? are different keys better at different things? or is what key something is in arbitrary/based on how easy it is to play in that key?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/21i68q/eli5_music_theory_in_general_but_more/
{ "a_id": [ "cgdak1b", "cgdaozd", "cgdcjm2" ], "score": [ 5, 2, 24 ], "text": [ "Professional musician here. Music Theory is grammar, music is the language. \n\nKeys are the main area of organization-kind of like a color scheme. This effects both melodic and harmonic content. \n\nI...
[]
[]
[ [], [], [] ]
bv8fej
why do some airplanes leave a white trail after them while others do not?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/bv8fej/eli5_why_do_some_airplanes_leave_a_white_trail/
{ "a_id": [ "epml9c9", "epmop9s", "epmxk0b" ], "score": [ 3, 9, 3 ], "text": [ "All jet planes have potential to have trails behind them. The trails are condensed water vapor. When the jet engines fire they produce co2 and water vapor, if the plane is in cold enough environment i...
[]
[]
[ [], [], [] ]
yt82m
why do i look more attractive in unnatural light compared to natural sunlight?
Thanks for the replies. All of what you said makes sense.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/yt82m/eli5_why_do_i_look_more_attractive_in_unnatural/
{ "a_id": [ "c5ymgsn", "c5ynnt8", "c5ynslc", "c5yocf4" ], "score": [ 4, 2, 2, 2 ], "text": [ "If I had to guess I would say it is similar to why people can look thinner in B & W and/or dim lighting. Basically it obscures things that would otherwise change an assessment of a...
[]
[]
[ [], [], [], [] ]
24pqib
how do i pick a good watermelon, and what are the people who are tapping the fruit looking for?
what does the sound tell us? what am i supposed to be listening for?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/24pqib/eli5_how_do_i_pick_a_good_watermelon_and_what_are/
{ "a_id": [ "ch9gz90", "ch9gzks" ], "score": [ 2, 11 ], "text": [ "Just as in picking any other melons, what you are looking for first is weight relating to size. A heavier melon contains more juice and usually is more flavorful. The thumping can sometimes elicit a hollow sound which migh...
[]
[]
[ [], [] ]
442nkh
why does releasing an empty bow shatter it?
Why doesn't the energy just turn into sound and vibrations of the bow string?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/442nkh/eli5_why_does_releasing_an_empty_bow_shatter_it/
{ "a_id": [ "czmyhlb", "czmykwq", "czmyq95", "czmzxf0", "czn6dai", "czn72su", "czn78z9", "czn7akh", "czn8ftm", "czn8hl3", "czn9h9e", "cznaq5y", "cznbkzd", "cznd40i", "cznf5rc", "cznfk0o", "cznfmgn", "cznkhb4", "cznp0l9", "cznsimp", "c...
[]
[]
[ [], [], [], [], [], [ "https://m.youtube.com/watch?v=Qbr5z0Cv0YA" ], [ "https://www.youtube.com/watch?v=EfyzL9C-8WY" ], [], [], [], [ "https://www.youtube.com/watch?v=_PDU-bz1wys" ], [], [], [], [], [], [], [], [], [], [], [], [], [] ]
3axrzk
if something is absolutely frictionless, could you touch/hold it?
Yes, out of the Nvidia physics demo video!
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3axrzk/eli5_if_something_is_absolutely_frictionless/
{ "a_id": [ "csgwzm4", "csgxas9", "csgxplx", "csh09gk", "cshjegp" ], "score": [ 66, 34, 5, 2, 3 ], "text": [ "Sure. You wouldn't really be able to grip it (it would slip out), but you could encase it in your hands, or you could hold it using variations in its shape....
[]
[]
[ [], [], [], [], [] ]
akyohc
in music, why use an 8/8 time signature when the piece would (or would it not?) sound the same using a 4/4 time signature but with a faster tempo?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/akyohc/eli5_in_music_why_use_an_88_time_signature_when/
{ "a_id": [ "ef91jcr", "ef9pxyo" ], "score": [ 9, 3 ], "text": [ "You are right that there is technically no difference between 8/8 and 4/4. They are just hints to the musician on how he should think while playing the piece. If you have a series of 1/8th notes in a 4/4 piece the musician w...
[]
[]
[ [], [] ]
dyteu9
what causes you to have to breathe and/or swallow manually when you become aware of your own breathing and/or swallowing?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/dyteu9/eli5_what_causes_you_to_have_to_breathe_andor/
{ "a_id": [ "f83ch7l" ], "score": [ 9 ], "text": [ "First of all, thanks.\n\nSecond of all, it's because they're unconscious bodily functions normally \"managed\" by a corner of our brain that takes care of these sorts of \"routine tasks\". You don't have to think to perform them, your body knows ...
[]
[]
[ [] ]
7y4shg
what is the distinction between moles, freckles, beauty marks, birth marks, etc.?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7y4shg/eli5_what_is_the_distinction_between_moles/
{ "a_id": [ "dudnxst" ], "score": [ 2 ], "text": [ "Freckles are caused by melanin spots on the skin very similar to birthmarks, they are not raised.\n\nMoles and beauty marks are raised which points to unregulated cell growth (possible cancer) and should be checked by a doctor." ] }
[]
[]
[ [] ]
1cwrc1
political bias aside what type of government are we technically and in real life?
I saw on the tubes that the US is a Constitutionally Constrained Republic not a Democracy. I believe we were told in school that we're a Representative Democracy. I googled "representative democracy vs constitutional republic" and the #1 hit was a Ron Paul forum which didn't seem to be the best place to get an obj...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1cwrc1/eli5_political_bias_aside_what_type_of_government/
{ "a_id": [ "c9kporv", "c9kppfs", "c9kt3zw", "c9l2wmu" ], "score": [ 5, 8, 3, 2 ], "text": [ "We're a constitutionally constrained republic. The people however choose their representatives through a democratic process. They can both exist at the same time.", "We are all...
[]
[]
[ [], [], [], [] ]
3cqchm
if i drink so much water that my pee turns clear, is my body just functioning as a really complicated water heater?
I drink A LOT of water, especially when I'm at work, at least a gallon a day. This means I have to go to the restroom pretty often during the day. Usually right before lunch time, I notice that my urine is pretty crystal clear and I wonder if the water I drank is doing anything for my body.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3cqchm/eli5_if_i_drink_so_much_water_that_my_pee_turns/
{ "a_id": [ "csxykl3", "csxywfl", "csy00tk", "csy0tz6", "csy6z2j", "csy75tn", "csy8vq1" ], "score": [ 6, 3, 2, 5, 2, 2, 2 ], "text": [ "Even when it's clear, your pee still contains waste products, so no, you're not just a walking water heater.", ...
[]
[]
[ [], [], [], [], [], [], [] ]
5vi0h1
is it theoretically possible to have exactly the same child twice when you have enough children with a single woman?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5vi0h1/eli5_is_it_theoretically_possible_to_have_exactly/
{ "a_id": [ "de27rqb", "de27y4a" ], "score": [ 11, 18 ], "text": [ "The most likely way for this to happen is having identical twins.\n\nBut I assume you mean two identical children from different pregnancies.\n\nIt's one of those things that's theoretically possible because by chance they...
[]
[]
[ [], [ "https://en.wikipedia.org/wiki/List_of_people_with_the_most_children" ] ]
f2qfz9
why does being cold make you feel more awake?
Why do people who stay in a warm environment after waking up they can remain tired. However, if a person goes outside or has a cold shower they feel more away or alert?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/f2qfz9/eli5_why_does_being_cold_make_you_feel_more_awake/
{ "a_id": [ "fhe15dv" ], "score": [ 6 ], "text": [ "Cold \"shocks\" us. The brain wakes up pretty easily when its cold because having normal temperature is essential for survival. \nSo you are more ready to move and go somewhere warmer." ] }
[]
[]
[ [] ]
c78k7n
how is pounds converted to kilograms of one is a weight and the other is a mass?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/c78k7n/eli5_how_is_pounds_converted_to_kilograms_of_one/
{ "a_id": [ "esdr2dx" ], "score": [ 2 ], "text": [ "Yeah basically. Scales assume you're measuring on an Earth sized planet where acceleration due to gravity is 9.8 m/s/s." ] }
[]
[]
[ [] ]
2nj0l1
what is physically happening to the airplane when it feels like it's slowing down mid-air?
I'm not a great flyer, but today had one of the worst experiences ever. Tons of turbulence and the plane would at times feel like it was slowing down or the engines were stopping. Can anyone explain what this was?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2nj0l1/eli5_what_is_physically_happening_to_the_airplane/
{ "a_id": [ "cme11uf", "cmefjxi" ], "score": [ 12, 3 ], "text": [ "[Otolith](_URL_0_) organs are in your inner ear, and provide acceleration cues to your brain. If a doctor tells you to close your eyes, stand on one foot to balance, and they give you a slight shove, they're testing whethe...
[]
[]
[ [ "http://en.wikipedia.org/wiki/Otolith" ], [] ]
airs5i
why is there an l in lgbtq when there already is a g?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/airs5i/eli5_why_is_there_an_l_in_lgbtq_when_there/
{ "a_id": [ "eepy77e" ], "score": [ 14 ], "text": [ "Because \"gay\" used to only refer to gay men. And gay women were and still mostly are referred to as lesbians. " ] }
[]
[]
[ [] ]
375uzd
why can't anesthesia be used during bone marrow donations?
I know very little about this subject. I've just heard it is extremely painful. If that is true, wouldn't anesthesia be a good option?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/375uzd/eli5_why_cant_anesthesia_be_used_during_bone/
{ "a_id": [ "crjytg6", "crjzqh1", "crkblt6" ], "score": [ 8, 5, 2 ], "text": [ "There is a new, and less painful way of donating bone marrow where you it is pulled from your blood stream. It feels like donating blood, but it last for several hours. It is called peripheral blood s...
[]
[]
[ [], [], [ "http://bethematch.org/Support-the-Cause/Donate-bone-marrow/Donation-process/Donating-bone-marrow/" ] ]
69re58
what the difference between hot and cold things on a molecular level(for example what's the difference between hot and cold water? it's still just h2o anyway)
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/69re58/eli5what_the_difference_between_hot_and_cold/
{ "a_id": [ "dh8rfh3", "dh8rg45", "dh8rn6s" ], "score": [ 2, 3, 8 ], "text": [ "The average kinetic energy.\n\nAll particles are in motion, and the faster they go the more energy they have. heating up something means that you're causing the particles to move faster.\n\nThat's also ...
[]
[]
[ [], [], [] ]
6x9zfy
how come headphones / earphones don't need a battery if they're plugged by wire?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6x9zfy/eli5_how_come_headphones_earphones_dont_need_a/
{ "a_id": [ "dmeam9y", "dmearil" ], "score": [ 2, 2 ], "text": [ "A standard audio jack will pump enough power through it to power the headphones, but not enough to charge a battery, usually.", "Headphone wire is transmitted as an analog signal using voltage on the wire. There is lit...
[]
[]
[ [], [] ]
25dye8
do catholics believe that the eucharist is literally the body of christ and the wine is literally the blood of christ?
I never thought about this until last year (I'm 28) when a bunch of catholic friends got married and had full mass. I asked, and couldn't get a straight answer. I always assumed it was just a metaphor, but the more I hear, the more it seems they believe the wine and bread to literally be the blood and body. For example...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/25dye8/eli5_do_catholics_believe_that_the_eucharist_is/
{ "a_id": [ "chg80qr", "chg85ik", "chg8aby", "chg9j7c" ], "score": [ 6, 2, 3, 2 ], "text": [ "[It's actually a surprisingly complicated topic.](_URL_0_)\n \nBasically the official view of the Catholic Church is that while to the senses they do not appear to change, when the...
[]
[ "http://www.thecrimson.com/article/2014/5/11/black-mass-extension-school/" ]
[ [ "http://en.wikipedia.org/wiki/Transubstantiation" ], [ "http://en.wikipedia.org/wiki/Transubstantiation" ], [], [] ]
4q5rsu
the difference between hospice death and doctor assisted suicide
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4q5rsu/eli5_the_difference_between_hospice_death_and/
{ "a_id": [ "d4qehuv", "d4qfle2", "d4qjem1", "d4qp2bi", "d4qp3vr", "d4qqehp", "d4qqmj3", "d4qqqiz", "d4qrfvd", "d4que9u", "d4qv0jw", "d4qv2s7", "d4qvqal", "d4qwtoe", "d4qzjkr", "d4rv5cj" ], "score": [ 440, 15, 18, 2, 48, 9, ...
[]
[]
[ [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [] ]
3p26u5
how does sound change mood (ie. music) and why does certain types of sound alter mood differently in different people?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3p26u5/eli5_how_does_sound_change_mood_ie_music_and_why/
{ "a_id": [ "cw2l91a", "cw3srj0" ], "score": [ 2, 2 ], "text": [ "There's also a concept called [qualia](_URL_0_). Certain things we experience can't be accurately described (you can't describe what makes a hug nice in the same way you can describe what makes 2 + 2 add to 4), so how do we ...
[]
[]
[ [ "https://en.wikipedia.org/wiki/Qualia" ], [ "https://www.reddit.com/r/explainlikeimfive/comments/3hngpt/eli5why_are_major_keys_in_music_associated_with_a/" ] ]
7n4nwd
how crypto currencies fluctuate in price
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7n4nwd/eli5_how_crypto_currencies_fluctuate_in_price/
{ "a_id": [ "drz0h1w" ], "score": [ 3 ], "text": [ "You can think of crypto currencies just as any other finite good or asset: its price is determined by supply and demand which are also influenced by its scarcity. People buy bitcoins or other crypto currencies for different reasons: some do becau...
[]
[]
[ [] ]
998big
why are loading bars inconsistent?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/998big/eli5_why_are_loading_bars_inconsistent/
{ "a_id": [ "e4lowy1", "e4loz70", "e4lphpg", "e4lqko0" ], "score": [ 3, 9, 2, 2 ], "text": [ "Ahoy, fellow redditor. Yer not alone in askin', and kind strangers have explained:\n\n1. [Why do the first 98% load so quickly, but the last 2% take so long? ](_URL_6_) ^(_2 commen...
[]
[]
[ [ "https://np.reddit.com/r/explainlikeimfive/comments/3zx6lf/eli5why_are_most_computerssoftwares_loading_bars/", "https://np.reddit.com/r/explainlikeimfive/comments/3e71t5/eli5_why_are_loading_bars_a_lie/", "https://np.reddit.com/r/explainlikeimfive/comments/7aoc1x/eli5_how_does_a_loading_bar_work/", ...
ltuu4
the information on black holes in following link
_URL_0_
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/ltuu4/eli5_the_information_on_black_holes_in_following/
{ "a_id": [ "c2vkcqc", "c2vkcqc" ], "score": [ 4, 4 ], "text": [ "The mass being compressed in a black hole does not become a singularity. Instead, the laws of physics say FUCK YOU and make a new universe inside the black hole by increasing the mass of the matter inside.", "The mass be...
[]
[ "http://arxiv.org/abs/1110.5019" ]
[ [], [] ]
1nc800
why do some children's disappearances spark nationwide news coverage while some only get talked about locally?
For example, there's a boy in my local area who has been missing nearly two weeks (feared abducted). Why hasn't this been shown on national news like other disappearances?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1nc800/eli5_why_do_some_childrens_disappearances_spark/
{ "a_id": [ "cch98wr", "cch9fk8", "cchdlnn", "ccheeuv", "cchf8ed", "cchfbxo", "cchfz2r", "cchgej0", "cchgtui", "cchh4cf", "cchhcmr", "cchnbx4" ], "score": [ 25, 66, 21, 5, 3, 3, 63, 9, 2, 4, 7, 2 ], "text": [ "...
[]
[]
[ [], [], [], [], [], [ "en.wikipedia.org/wiki/Missing_white_woman_syndrome" ], [], [], [], [], [], [] ]
9wlgve
what is the difference between cloud computing and web hosting?
Fifteen years ago people who own dedicated servers or colocate their own servers for hosting websites. But nowadays more people are using Cloud for that. What is the difference? I notice web hosting charges a flat monthly fee but cloud charges differently. If I had a website is it better to use cloud or regular hosting...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9wlgve/eli5_what_is_the_difference_between_cloud/
{ "a_id": [ "e9lkb5e", "e9lpwsq", "e9n44bi" ], "score": [ 8, 2, 2 ], "text": [ "Imagine you live in an apartment. You might not always be using it, but it's still yours. Whenever you want to use it, you go to the same building, and open the same door, and you're back home. If you n...
[]
[]
[ [], [], [] ]
4hw88e
why does a light disappear if i move farther from its source?
Considering that a light moves at its speed and it could possibly surround the planet (or not, it would ignore the gravity etc.) why does the light fade as I move away from it, or the eye chooses to ignore it because it's too small compared to other informations it catches?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4hw88e/eli5_why_does_a_light_disappear_if_i_move_farther/
{ "a_id": [ "d2suqbz", "d2surar" ], "score": [ 5, 3 ], "text": [ "First, light doesn't ignore gravity. It's very much affected by it.\n\nLight appears to fade as you move away from a source because the intensity of light obeys the inverse-square law; that is, if you double the distance bet...
[]
[]
[ [], [ "https://upload.wikimedia.org/wikipedia/commons/thumb/2/28/Inverse_square_law.svg/420px-Inverse_square_law.svg.png" ] ]
8x15zq
how do 7.1 surround system headsets work?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8x15zq/eli5_how_do_71_surround_system_headsets_work/
{ "a_id": [ "e2010jd", "e201pjg" ], "score": [ 2, 3 ], "text": [ "You have 2 ears. \n\nThe direction of a sound can be boiled down to volume, clarity, etc.\n\nAll that needs done is to mimic what the audio would sound like if it were to come from a different direction.\n\nAs an example the...
[]
[]
[ [], [] ]
9scs66
how does "density" differ from "weight" and "mass"?
Need to explain this to some 10 year olds before long so I'm just checking I'm pitching at the right level. Your collective help is much appreciated!
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9scs66/eli5_how_does_density_differ_from_weight_and_mass/
{ "a_id": [ "e8nr3qr", "e8nr5zw", "e8nrap5" ], "score": [ 17, 5, 3 ], "text": [ "Mass is how much stuff you have.\nWeight is the effect of gravity on the stuff you have.\nDensity is how much stuff you have in a volume.", "Density describes how much mass you put in a given area....
[]
[]
[ [], [ "https://assets.fishersci.com/TFS-Assets/CCG/product-images/FS100340~p.eps-650.jpg" ], [] ]
fn05i0
[ama] mathematics
Welcome to ELI5’s first “Ask Me Anything!” We’re inviting expert educators to respond to your questions here on ELI5. Today the topic will be mathematics, brought to you by University of Oxford maths professor Tom Crawford (u/tomrocksmaths). Dr. Crawford has asked us to share [his video about exponential growth, and wh...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/fn05i0/ama_mathematics/
{ "a_id": [ "fl8f9ph", "fl8l4hc", "fl8m661", "flax59i", "fl6vvwe", "fl6yx0j", "fl70p0i", "fl71rih", "fl7229q", "fl72ijh", "fl72moe", "fl743lc", "fl75hrj", "fl760za", "fl7760s", "fl78ms9", "fl78oj3", "fl79oct", "fl7amch", "fl7b8ul", "f...
[]
[ "https://www.youtube.com/watch?v=xUVERo2xpH4", "https://www.youtube.com/watch?v=NKMHhm2Zbkw", "https://www.youtube.com/channel/UCRfo-DAifrP3lzcxUHtGm_A" ]
[ [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [] ]
cymhv2
how do octopuses make ink?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/cymhv2/eli5how_do_octopuses_make_ink/
{ "a_id": [ "eyswn15" ], "score": [ 9 ], "text": [ "The important thing to remember here is that it’s not ink as regular ink we use in pens. IIRC octopus ink is basically sun tan in liquid form. They keep it in a gland. \nSimilar to how a skunk keep its stink i a gland by its butt." ] }
[]
[]
[ [] ]
5uyqj9
why are chillis spicy and other fruits such as oranges sweet?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5uyqj9/eli5_why_are_chillis_spicy_and_other_fruits_such/
{ "a_id": [ "ddxve8m" ], "score": [ 4 ], "text": [ "TL;DR: Evolution. Chilis and other spicy peppers have their seeds distributed by animals (like birds) that *are not affected* by the capsicum. Thus their seeds are distributed over large distances, rather than the limited range of land animals. "...
[]
[]
[ [] ]