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cj20mp
why is a chip on a credit card considered ‘safer’ than swiping the magnetic strip?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/cj20mp/eli5_why_is_a_chip_on_a_credit_card_considered/
{ "a_id": [ "evam0if", "evam62a", "evap26k", "evapvrd", "evaq19h", "evat59g", "evav4bg", "evawl9q", "evax7gh", "evaxd60", "evaxxao", "evayaq2", "evaycyd", "evaykz5", "evazt1m", "evazvns", "evb0xvq", "evb188q", "evb2uf7", "evb3opm", "e...
[]
[]
[ [], [], [], [], [], [], [], [], [ "https://www.quora.com/When-was-the-first-credit-card-with-a-magnetic-stripe-issued" ], [], [], [], [], [], [], [], [], [ "http://www.youtube.com/watch?v=UHSFf0Lz1qc&t=2m41s" ], [], [], [], [], [], [], [], [], [], ...
c64by5
why does it take 24 hours for muscles to start hurting after a workout? why not straight away?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/c64by5/eli5_why_does_it_take_24_hours_for_muscles_to/
{ "a_id": [ "es5zpxm", "es5zte9", "es606sl", "es61zjj", "es6523n", "es65r6f", "es65tq6", "es66rtx", "es67js5", "es6apjs", "es6ca5z", "es6eedk", "es6foia", "es6hiuq", "es6irn3", "es6k1vd", "es6mi5j", "es6ztek", "es7drmp", "es7l5to", "e...
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[ [ "https://en.m.wikipedia.org/wiki/Delayed_onset_muscle_soreness" ], [ "https://en.wikipedia.org/wiki/Delayed_onset_muscle_soreness" ], [], [], [], [], [], [], [ "www.strongerbyscience.com/doms" ], [], [], [], [], [], [], [], [], [], [], [], [], [] ]
2kz8la
why can't someone who is hiv positive donate blood to be used by other hiv patients that need blood?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2kz8la/eli5_why_cant_someone_who_is_hiv_positive_donate/
{ "a_id": [ "clpyuqq", "clpyvgc", "clpyvgz", "clpyx7q" ], "score": [ 7, 6, 3, 3 ], "text": [ "Human error with such things is sufficiently high you're guaranteeing a few new HIV infections every now and then. ", "They'd rather not even have HIV positive blood in the sys...
[]
[]
[ [], [], [], [] ]
saia0
what is happening when i add salt to already boiling water?
I know about boiling point elevation, but this is something different. I noticed today when I had a pot of boiling water (already raised to a boil) for pasta and I added salt to it that it began to bubble much more violently before calming down and stopping. What was happening there?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/saia0/eli5_what_is_happening_when_i_add_salt_to_already/
{ "a_id": [ "c4cftib", "c4citp7" ], "score": [ 14, 2 ], "text": [ "Nucleation, probably. The rough, uneven surface of the salt crystal allows for pockets of air to get trapped when they enter the water, and then as they release the water appears to boil more violently.", "Basically the...
[]
[]
[ [], [] ]
50beun
how do we know the universe is constantly expanding if only 4% of the universe is visible to us?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/50beun/eli5_how_do_we_know_the_universe_is_constantly/
{ "a_id": [ "d72mqkc", "d72nhxm" ], "score": [ 8, 23 ], "text": [ "The universe doesn't expand on the edges. It's just that more space is made. That being said, to the how we know this. You know how when you stand near train tracks as a train is passing by and the horn will xhange pitch as...
[]
[]
[ [], [] ]
18ag37
how do taxes work with real estate?
How are personal property taxes paid? Is it through the mortgage? How would property taxes be different if you had an LLC and were using property for rental income? How do you avoid getting hit with serious capital gains tax when selling a home with a lot of equity? Thanks reddit!
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/18ag37/eli5_how_do_taxes_work_with_real_estate/
{ "a_id": [ "c8d29xk" ], "score": [ 4 ], "text": [ "You pay a property tax every year, and it is completely separate from your mortgage. The amount is determined based on the value of the home and the tax rate of the city that you live in. If the city claims that your house is worth more than it a...
[]
[]
[ [] ]
501rv2
posthumanism
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/501rv2/eli5posthumanism/
{ "a_id": [ "d70it9k", "d70jfzi", "d70pbvv" ], "score": [ 7, 61, 3 ], "text": [ "Oh, this is a tough one.\n\nOk, the bottom line is this: humans are far from perfect. Our bodies are weak and clumsy, our brains need 8 hours of sleep a day to function properly, we get sick, we have c...
[]
[]
[ [], [], [] ]
rfvbw
anti-virus, how does it work, what's the best one, and why does everyone hate norton?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/rfvbw/eli5_antivirus_how_does_it_work_whats_the_best/
{ "a_id": [ "c45gxb2", "c45h2ce", "c45h4fv", "c45h77i", "c45hiad", "c45hm45", "c45hq3n", "c45hv7d", "c45hxst", "c45i5j1", "c45ipwt", "c45irqv", "c45j1sd", "c45jphm", "c45jsy4", "c45k1vk", "c45ka6g", "c45kcwk", "c45lbrl", "c45lmym", "c...
[]
[]
[ [], [], [], [], [], [], [], [], [], [], [], [], [ "https://www.google.com/search?q=norton+removal+tool&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a" ], [ "http://www.ted.com/talks/mikko_hypponen_fighting_viruses_defending_the_net.html...
4d6xa7
with our technical advancement on video and photo editing, can videos and photos still be considered as evidences? if not, how can something prove that "that" actually happened?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4d6xa7/eli5_with_our_technical_advancement_on_video_and/
{ "a_id": [ "d1o918r", "d1og33f" ], "score": [ 3, 2 ], "text": [ "Shopped images have flaws that would not normally exist in images. If anything is being sent as evidence it will likely be tested at some point, not to mention that images only hold so much weight in trial to begin with. ",...
[]
[]
[ [], [] ]
69a3qn
why are so many things in english?
I hope this doesn't sound ignorant. But for example Reddit is used by people all over the world and I am always surprised to see so many people from countries that don't speak English commenting in English. Another example is that I was looking up the Dracula's castle in Romania and tours were offered in English. Also ...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/69a3qn/eli5_why_are_so_many_things_in_english/
{ "a_id": [ "dh4ytwe", "dh4z4en" ], "score": [ 10, 2 ], "text": [ "Thank the British Empire, which at one point had approximately a quarter of the world's people under it. Also thank the United States' cultural and economic dominance, as this contributes to people having an incentive to le...
[]
[]
[ [], [] ]
1f869t
why is md5 considered the most secure encryption method for passwords? what makes it uncrackable?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1f869t/eli5_why_is_md5_considered_the_most_secure/
{ "a_id": [ "cbog450", "ca7pzo7", "ca7qeju", "ca7qq2y", "ca7r7zx" ], "score": [ 2, 4, 4, 5, 9 ], "text": [ "It's not, where the hell did you hear that?\n\n * MD5 is not an encryption algorithm. It's a hashing algorithm.\n * You don't want to use an encryption algori...
[]
[]
[ [], [], [], [], [] ]
2jczka
why does my phone camera not pick up something that glows in the dark even though i can see it with my naked eye?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2jczka/eli5_why_does_my_phone_camera_not_pick_up/
{ "a_id": [ "clajfiz" ], "score": [ 2 ], "text": [ "The human eye has far more range in tolerance for illumination conditions than a camera - we have multiple different types of sensors for different light conditions, combined with a pupil that can expand and contract to allow more or less light i...
[]
[]
[ [] ]
6p7jby
as humans, why do we tend to prefer a sedentary lifestyle and have poor posture if we need exercise and our poor posture causes us pain?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6p7jby/eli5_as_humans_why_do_we_tend_to_prefer_a/
{ "a_id": [ "dkn7025", "dkn948l" ], "score": [ 5, 2 ], "text": [ "Honestly, one of the hardest parts about fitness -if it is not intrinsically motivating- is that the ramifications of NOT doing it are not immediately seen. For example, if you touch fire you are immediately burned so you pa...
[]
[]
[ [], [] ]
88h2zs
how do we measure magnetic fields?
E.g. I have a magnetic iPad cover which turns it on every time I open it. How does it know when the cover is opened?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/88h2zs/eli5_how_do_we_measure_magnetic_fields/
{ "a_id": [ "dwkk3j2", "dwkq2jy" ], "score": [ 2, 5 ], "text": [ "There are a few things that you can measure about magnetic fields. Strength and structure are the two we are concerned with most.\n\nTo measure the strength of a magnetic field we use a wire. A wire moving through a magnetic...
[]
[]
[ [], [ "https://imgur.com/5vssnt8", "https://en.wikipedia.org/wiki/Lorentz_force" ] ]
f9ejz5
how can you use melting points to determine if a substance was pure/impure?
And if an assignment of a structure is correct/incorrect? Thanks!
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/f9ejz5/eli5_how_can_you_use_melting_points_to_determine/
{ "a_id": [ "fir1gj0", "fir23ya" ], "score": [ 4, 3 ], "text": [ "Pure substances have a single, well defined phase transition temperature. For instance melting point for water is 0 Celsius degree, while ethanol boiling point is around 78 Celsius degree.\n\nWell defined means that, if you ...
[]
[]
[ [], [] ]
1qks4v
why is the earth's extremely fast rotation and revolution unnnoticeable to us?
Full disclosure I'm five.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1qks4v/eli5_why_is_the_earths_extremely_fast_rotation/
{ "a_id": [ "cdds0y4", "cdds1wf", "cddszyq" ], "score": [ 5, 3, 2 ], "text": [ "What is the Earth rotating and revolving around relative to? Relative to the sun? Yeah. Relative to us? Not at all. \n\nPhysicists found out a long time ago that we don't really notice our speed unless ...
[]
[]
[ [], [], [] ]
62s4yp
on what do our eyes focus in pitch dark?
Like if it is pitch dark, do the eyes focus on the dark "wall" directly in front of them? Or are they just indefinitely trying to focus on something? Or are they idling because it is dark? :) Thanks!
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/62s4yp/eli5_on_what_do_our_eyes_focus_in_pitch_dark/
{ "a_id": [ "dfotjvf", "dfouotk", "dfoxthb", "dfoxtrg", "dfoyepj", "dfoyoq3", "dfozvau", "dfp01gr", "dfp0noq", "dfp1920", "dfp2ywn", "dfp4dia", "dfp9r2g", "dfpbuzl", "dfpf161", "dfq2v22" ], "score": [ 15, 470, 54, 36, 733, 68,...
[]
[]
[ [], [], [], [ "https://en.wikipedia.org/wiki/Phosphene", "https://en.wikipedia.org/wiki/Prisoner%27s_cinema" ], [], [], [], [], [], [], [], [], [], [], [], [] ]
36p923
what did the earliest humans use stone tools for?
I saw pictures of rocks and stones that were used as tools a long time ago. What could a small rock actually be used for?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/36p923/eli5_what_did_the_earliest_humans_use_stone_tools/
{ "a_id": [ "crfvoxz", "crfvrvj", "crfw370" ], "score": [ 2, 9, 3 ], "text": [ "A regular rock can be used as a makeshift hammer, or to shape another rock, or as a weapon, especially when thrown, or flung by slings and such. \n\nMoreover, you can take certain types of stone, specif...
[]
[]
[ [ "http://s.hswstatic.com/gif/wilderness-weapons-1c.jpg" ], [], [] ]
e5jk5k
do animals get bigger step by step because of natural and sexual selection?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/e5jk5k/eli5_do_animals_get_bigger_step_by_step_because/
{ "a_id": [ "f9k1rhv", "f9k2r9m" ], "score": [ 3, 2 ], "text": [ "Some animals do, yes. Over time, if it is the advantageous thing to do, animals will evolve to be bigger. If it is no advantageous, as sometimes being bigger means it is harder to hide and find enough food to keep alive, the...
[]
[]
[ [], [] ]
2snv3n
why am i getting my words mixed up so often
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2snv3n/eli5_why_am_i_getting_my_words_mixed_up_so_often/
{ "a_id": [ "cnrcfk8" ], "score": [ 2 ], "text": [ "Because this is asking about a condition you suffer it qualifies as a personal problem according to the sidebar rules. Personal problems are typically influenced by your specific situation, and explanations would have to make assumptions into the...
[]
[]
[ [] ]
a4pvjx
what is the difference of mouth odour of people who stay up all night compared to when they sleep at nights?
What is the difference of mouth odour of people who stay up all night compared to when they sleep at nights? What is the phenomenon behind it?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/a4pvjx/eli5_what_is_the_difference_of_mouth_odour_of/
{ "a_id": [ "ebglr1g", "ebh39pp" ], "score": [ 8, 2 ], "text": [ "Smell a bunch of people's mouths and ask them about how well they slept. Get back to us when done ", "Morning breath is mostly caused by lack of saliva. People who suffer from dry mouth also get this. Decreased saliva in...
[]
[]
[ [], [] ]
68en7x
why do small language differences exist, as in "color" and "colour"?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/68en7x/eli5_why_do_small_language_differences_exist_as/
{ "a_id": [ "dgxvsvc" ], "score": [ 4 ], "text": [ "In that particular case it's because someone in America made a conscious effort to reform spelling to make it more simple and distinctly \"American\". So they took the unnecessary 'u' in colour out, as well as turning 'centre' into 'center'.\n\nB...
[]
[]
[ [] ]
383skv
why do hearing common sounds such as people smacking, coughing, sneezing, and breathing loudly anger me?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/383skv/eli5_why_do_hearing_common_sounds_such_as_people/
{ "a_id": [ "crs0zjr", "crs11p2", "crs14pr", "crs1vgz", "crs2vyh" ], "score": [ 27, 4, 4, 7, 6 ], "text": [ "Sounds like you have misophonia, as do I and most of my cousins. You're not being a crank; you really do experience these sounds differently.", "Ive got...
[]
[]
[ [], [], [], [], [] ]
4fk3id
if it's a national election on the federal level, why are voting laws decided by district?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4fk3id/eli5_if_its_a_national_election_on_the_federal/
{ "a_id": [ "d29hjct", "d29hma7", "d2a0b41", "d2a2doo" ], "score": [ 121, 9, 5, 2 ], "text": [ " > If it's a national election on the federal level\n\nIf you're talking about the US presidential election, it's **not** a national election on the federal level. The entities ...
[]
[]
[ [], [], [], [] ]
9ey8mg
if it’s recommended to get 8 hours of sleep, if one night you get only 3 hours of sleep how come the next night you don’t have to “make up” the lost time and get 13 hours to feel refreshed as opposed to just 9 or 10?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9ey8mg/eli5_if_its_recommended_to_get_8_hours_of_sleep/
{ "a_id": [ "e5sel4q", "e5serfn", "e5sf4ip" ], "score": [ 6, 6, 3 ], "text": [ "It is impossible to ever make up lost sleep. The damage you have done is done and while you can recover from it slightly you cannot undo that damage. ", "Your brain is like a warehouse.\n\nDuring th...
[]
[]
[ [], [], [] ]
1p1pn2
if everybody lost $20, would that cause inflation?
I know the mint reproduces damaged bills, but how does it account for lost ones?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1p1pn2/if_everybody_lost_20_would_that_cause_inflation/
{ "a_id": [ "ccxtkvn", "ccxtnvi", "ccxunel", "ccxxumk", "ccxyhms" ], "score": [ 5, 2, 35, 6, 6 ], "text": [ "It definitely wouldn't cause inflation. If anything it would lower inflation slightly.\n\nBut $20 per person is $6 billion or so, which is pretty substantia...
[]
[]
[ [], [], [], [], [] ]
1rwjcj
difference between reasonable suspicion and probably cause
Sorry that should say probable, not probably.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1rwjcj/eli5_difference_between_reasonable_suspicion_and/
{ "a_id": [ "cdrovpz" ], "score": [ 6 ], "text": [ "\"Probable cause\" is best translated as \"more likely than not.\" So when a police officer has probable cause to arrest you, it means he's aware of evidence that makes it more likely than not that a crime was committed, and that you're the perso...
[]
[]
[ [ "http://lawcomic.net/guide/?p=1789", "http://lawcomic.net/guide/?p=2256" ] ]
dtu9xz
how did 1970/80's vhs video producers add text and animations to the video?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/dtu9xz/eli5_how_did_197080s_vhs_video_producers_add_text/
{ "a_id": [ "f6z5i4o" ], "score": [ 6 ], "text": [ "There had been special editing computers that created those Animations, Texts and animated Texts, got the unedited feed from one videosource (mostly an other VCR), added the FX to the signal and recorded it to a second videosource (also an other ...
[]
[]
[ [] ]
y4xyb
how did the dutch take land from the sea?
I always hear that much of the Netherlands is below sea level and I know that Holland has levees, but how did the Dutch build these levees and move the sea? When were they built? How much land have they taken from the sea?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/y4xyb/eli5_how_did_the_dutch_take_land_from_the_sea/
{ "a_id": [ "c5sdbm0", "c5sde1f" ], "score": [ 2, 3 ], "text": [ "There's a couple of different ways, but the most iconic one is the making of polders. The basic idea is quite simple: you select a lake, you make a dyke around the bit you want to turn into a polder, and you start pumping ou...
[]
[]
[ [], [] ]
5hczm5
if someone makes money in the financial markets - does that imply that someone else must have lost the same sum?
Or is wealth just being created and everyone is getting richer?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5hczm5/eli5_if_someone_makes_money_in_the_financial/
{ "a_id": [ "daz8m3g", "daz8tz9", "dazbwa9" ], "score": [ 2, 3, 2 ], "text": [ "Not necearilly. Imagine an IPO where the original price was $$30 a share and the buyer sold it when it wen to $40. And it keeps going up. No one loses. Of course nothing goes up forever so then people s...
[]
[]
[ [], [], [] ]
1t143f
just how much is the president actually involved in the decision for drone attacks or airstrikes?
I mean, I realize he's the Commander in Chief and all, but how much does he actually know what is happening. People are usually quick to blame Obama for drone strikes gone horribly wrong, but is that because he gave the commands to let it happen, signed off on them, or because he's top-dog and gets the blame by defaul...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1t143f/eli5_just_how_much_is_the_president_actually/
{ "a_id": [ "ce39yx0" ], "score": [ 2 ], "text": [ "I don't know the specifics of drones and all this, but the President, as the last man on the ladder, will usually find himself held accountable for the actions of the military. The President is also what I like to call \"the quarterback of the go...
[]
[]
[ [] ]
7f5nbd
how come taking an extended break from something sometimes makes you come back to it stronger than ever?
So for example, I didn't play tennis for months, and when I played again, it was the best I ever played. Even with a game. A FPS shooter, I took an extended break, came back, and won lots of matches over many veteran players. Why is this? Thanks!
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7f5nbd/eli5_how_come_taking_an_extended_break_from/
{ "a_id": [ "dq9nrb0", "dq9nubf", "dq9qwqx", "dq9srct" ], "score": [ 5, 11, 3, 3 ], "text": [ "Most likely confirmation bias.\n\nCould also be that you're having more fun, increasing your performance. ", "Overthinking interferes with muscle memory. Taking a break can cl...
[]
[]
[ [], [ "https://www.google.com/amp/s/www.psychologytoday.com/blog/the-athletes-way/201308/why-does-overthinking-cause-athletes-choke%3famp" ], [], [] ]
6bi3dp
who is seth rich? why is his death significant?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6bi3dp/eli5_who_is_seth_rich_why_is_his_death_significant/
{ "a_id": [ "dhmqwmu", "dhmrc2g", "dhn0rga" ], "score": [ 4, 8, 2 ], "text": [ "He was a Democratic National Committee staffer who was murdered after he leaked some stuff to wikileaks. Significant?", "He's a DNC staffer who was murdered last summer. Theres a bunch of the wikil...
[]
[]
[ [], [], [] ]
cvcp20
how do the “plant a tree for every x” things work
By all means I want to help the planet, but I am a little curious about these claims. The most recent one I’ve seen is the search engine Ecosia. I know there are many other businesses that do this with products, so how do they work? who’s making sure the trees are getting planted? Where do they get planted? I’m guessin...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/cvcp20/eli5_how_do_the_plant_a_tree_for_every_x_things/
{ "a_id": [ "ey3jvja" ], "score": [ 10 ], "text": [ "This is a marketing strategy to attract customers, in stead of spending money on commercials, they spend money on planting trees. Most companies probably just pay charities to plant a tree for them. \n\n\n[_URL_0_](_URL_0_)" ] }
[]
[]
[ [ "https://onetreeplanted.org/" ] ]
6rqobr
how do sites like reddit, twitter and tinder take off, as there are no other users yet?
EDIT: Wow this post blew up, read some great responses, thanks for taking the time.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6rqobr/eli5_how_do_sites_like_reddit_twitter_and_tinder/
{ "a_id": [ "dl7329z", "dl73d4e", "dl73mza", "dl73ud6", "dl74k0u", "dl74lyu", "dl757e1", "dl75mwu", "dl77smr", "dl79963" ], "score": [ 11, 12, 26, 481, 191, 33, 5, 48, 325, 9 ], "text": [ "im guessing word of mouth on the feat...
[]
[]
[ [], [], [], [], [], [], [], [], [ "Break.com", "https://www.forbes.com/sites/jaymcgregor/2016/12/14/how-we-bought-reddit-for-200/#46cf0f4d44a8" ], [] ]
4c8jbt
what is actually happening in your body that causes you to occasionally get a head rush when you stand up?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4c8jbt/eli5_what_is_actually_happening_in_your_body_that/
{ "a_id": [ "d1fy9vo", "d1fz2jm" ], "score": [ 10, 4 ], "text": [ "This mostly has to do with blood pressure. If your blood pressure is too low, when you stand up, it gets even lower and you feel this \"head rush\" because the amount of blood and oxygen to your brain drops precipitously."...
[]
[]
[ [], [] ]
38575x
why oil and gas rigs may cause earthquake and falls?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/38575x/eli5_why_oil_and_gas_rigs_may_cause_earthquake/
{ "a_id": [ "crsenix" ], "score": [ 2 ], "text": [ "It's not the drilling itself which causes the earthquakes, but one of the methods of disposing of the wastewater. Deep injection wells get rid of waste by injecting it deep underground, where it seems like it acts as a lubricant for plates, causi...
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3vcaw1
how does nat geo get so much great footage of rare, small, and dangerous animals?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3vcaw1/eli5_how_does_nat_geo_get_so_much_great_footage/
{ "a_id": [ "cxm8r4b", "cxm9x6s", "cxma77f" ], "score": [ 3, 2, 2 ], "text": [ "They have the means to to put professional photographers \"in the field\" for long stretches at a time.", "By sending people into areas known to contain these creature, sometimes with trackers or hi...
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[ [], [], [] ]
831oj2
what is google accelerated mobile pages (amp) and why is it important for the futur of the mobile web?
It seems to be the next big thing but it's hard for me to get it. Thanks
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/831oj2/eli5what_is_google_accelerated_mobile_pages_amp/
{ "a_id": [ "dvegz25" ], "score": [ 3 ], "text": [ "it strips all the style elements and other heavy stuff so you get a barebones site that loads faster. whether it's important for the future of the mobile web is debatable since it breaks a lot of stuff including text formatting, but it also saves...
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2b6fjt
what makes music artists put so much useless sound at the end of a song?
Something that really annoys me is listening to a good song, only for there to be 20-60 seconds of useless sound on the end of the song. Not every song, but it seems very prevalent. Surely I can't be the only one to notice this. It just makes no sense to me and seems extremely pointless. Yet artists continue to do it. ...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2b6fjt/eli5_what_makes_music_artists_put_so_much_useless/
{ "a_id": [ "cj29d5i" ], "score": [ 2 ], "text": [ "What exactly do you mean by \"useless sounds\"? Are you talking about a fade-out? Holding the last note for 20-60 seconds? Finished with an instrumental section instead of with singing?" ] }
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1dgc40
besides losing unsaved work, what are the risks associated with shutting down your computer suddenly and improperly?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1dgc40/besides_losing_unsaved_work_what_are_the_risks/
{ "a_id": [ "c9q42q8" ], "score": [ 3 ], "text": [ "-Files being open in the operating system that haven't written (Disabling write-behind caching reduces this risk). This can require the OS to need repair, which means basically resetting those files to their normal state.\n\n-Mechanical devices ...
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2s09a1
would the earth be deviated from its orbit if it was hit by an asteroid as big as portugal ?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2s09a1/eli5_would_the_earth_be_deviated_from_its_orbit/
{ "a_id": [ "cnkx669" ], "score": [ 2 ], "text": [ "As big as Portugal how? \n\nLet's assume an asteroid with the diameter the length of Portugal (roughly 530 km).\n\nThe mass of the asteroid would be around 1.5*10^20 kilograms. \n\nEarth has a mass of 6*10^24 kilograms. That's about 40 000 times ...
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f7uccg
putting a spoon or fork into an open bottle of champagne - does it really help keeping it fresh? if so, why?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/f7uccg/eli5_putting_a_spoon_or_fork_into_an_open_bottle/
{ "a_id": [ "fifoel4" ], "score": [ 3 ], "text": [ "No, it adds a new nocuolation point for the carbon dioxide to from bubbles and escape from. Repressurizing the bottle will help but only slightly." ] }
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5k41ku
what is the role of a female orgasm during reproduction?
I've always wondered but never really understood if the male sperm is in any way helped by a females orgasm and vise versa. I know its a cheeky question, but would like to understand that like I am 5 cause I really dont understand it.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5k41ku/eli5_what_is_the_role_of_a_female_orgasm_during/
{ "a_id": [ "dbl3ppj", "dbl3zai", "dbl48ta", "dbl4emy", "dblce4z", "dblcex6", "dbld1h2", "dblg2ab" ], "score": [ 9, 7, 23, 88, 3, 3, 5, 2 ], "text": [ "Essentially, it's debated whether there is a mechanical advantage in getting sperm into th...
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[ [ "http://www.popsci.com/science/article/2011-09/what-point-female-orgasm" ], [], [], [], [], [], [], [] ]
8054qu
why is the smoking rate among women so low in north africa and asia?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8054qu/eli5_why_is_the_smoking_rate_among_women_so_low/
{ "a_id": [ "dut2i0w" ], "score": [ 4 ], "text": [ "Nothing to do with health concerns, unfortunately. It would be nice to think that women in those countries were able to make informed choices, but unfortunately the opposite is true. Women in those countries don’t smoke for the same reason as chi...
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do26qy
why does turning the heat/defrost function on my car make the windshield unfog?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/do26qy/eli5_why_does_turning_the_heatdefrost_function_on/
{ "a_id": [ "f5jf6le" ], "score": [ 3 ], "text": [ "Dry warm air moving past water tends to make it evaporate, even if that air is not that hot itself (ie. doesn't need to be at 100 degrees celsius (the boiling point of water)). Your heat/ventilation system is designed to take advantage of this to...
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2oquzb
why does it seem that the 'random play' or 'shuffle' option of every music player has a bias toward certain songs?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2oquzb/eli5_why_does_it_seem_that_the_random_play_or/
{ "a_id": [ "cmpmytn", "cmpn0hm", "cmpn197", "cmpnmc7", "cmpt9nj" ], "score": [ 2, 2, 6, 6, 2 ], "text": [ "Most of them aren't actually random. They are biased and usually will pick songs you've listened to a lot, just not frequently. True random gets harder with t...
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[ [], [], [], [ "http://en.wikipedia.org/wiki/Confirmation_bias" ], [ "www.youtube.com/watch?v=9rIy0xY99a0" ] ]
4n5t93
why do farmers have to leave their land fallow to maintain productive soil, but forests can grow for hundreds or thousands of years in the same soil?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4n5t93/eli5_why_do_farmers_have_to_leave_their_land/
{ "a_id": [ "d4116gs", "d411frp", "d411hwx", "d41bdxg", "d41fiif" ], "score": [ 19, 13, 3, 2, 3 ], "text": [ "The value system of your forests are different than that of your farmland. The farmer is not asking \"will my crops grow at all\", they are asking \"will m...
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[ [], [], [], [], [] ]
d53jdm
why do babies/toddlers instinctively stick their fingers into holes?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/d53jdm/eli5_why_do_babiestoddlers_instinctively_stick/
{ "a_id": [ "f0jdeuz" ], "score": [ 8 ], "text": [ "There are a few primal instincts that newborns have that are designed to give them enough to survive until higher learning kicks in, but I don’t think finger sticking is one of them. What you’re talking about sounds like more of the early learnin...
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2d7mn1
how does the stage lighting at music festivals/concerts work?
I just got back from Outside Lands and was wondering. Is it preprogrammed? Done manually? How does it stay in sync so well with the music if programmed and how does it have so much complexity if manual?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2d7mn1/eli5_how_does_the_stage_lighting_at_music/
{ "a_id": [ "cjmvod3" ], "score": [ 2 ], "text": [ "Either it's programmed to create lighting 'scenes' that are specifically coordinated with a bands musical set, and the band would play to a click track (an audible click heard only by the band, drummer usually)that helps them follow the timing of...
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31azlq
how did easter be one about chocolate and eggs and an easter bunny? who's mind goes from jesus on the cross to 'let's eat chocolate' ?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/31azlq/eli5_how_did_easter_be_one_about_chocolate_and/
{ "a_id": [ "cpzwgwc", "cpzwhxh", "cpzwizm", "cpzwjgo", "cpzwx4r", "cpzxblv" ], "score": [ 4, 5, 4, 2, 3, 5 ], "text": [ "Easter goes back to older Springtime/Renewal/Rebirth/Fertility traditions.\n\nRabbits and Eggs are both associated with fertility and ne...
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274zsy
if i murder a spider in cold spider blood, does it feel pain like we would?
From my understanding spiders have nerve endings etc, so I assume it would understand something was wrong, but when they are poisoned or hurt etc, do they actually interpret that pain as we would?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/274zsy/eli5if_i_murder_a_spider_in_cold_spider_blood/
{ "a_id": [ "chxg2xu", "chxg80k", "chxh26y" ], "score": [ 2, 5, 2 ], "text": [ "I've wonder how some can assume that one living being (e.g. humans) somehow interpret pain while another living being (e.g. a spider) doesn't necessarily. Their \"wiring\" might be different in that th...
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[ [], [], [ "http://insects.about.com/od/insects101/f/Do-Insects-Feel-Pain.htm" ] ]
29tl4y
the effects mdma has on someone
I don't know a lot about any drugs other than weed. I was curious about the effects that MDMA has on people? I'm not looking into taking any, this is just a general question that I would like explained to me :)
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/29tl4y/eli5_the_effects_mdma_has_on_someone/
{ "a_id": [ "cioclji", "ciocm5f", "ciod5zo", "ciodvmd", "cioecou", "cioede2", "ciohfxy", "cioinoj" ], "score": [ 3, 2, 4, 3, 3, 2, 3, 2 ], "text": [ "I want to have sex with everything, talk incessantly, and grind my teeth. I think its differ...
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[ [], [ "https://www.erowid.org/experiences/subs/exp_MDMA.shtml" ], [], [], [], [], [], [] ]
57ycy1
why do some foods say not to re-heat?
This is some pasta bake sauce jar. Just cheese and kidney beans no meat.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/57ycy1/eli5_why_do_some_foods_say_not_to_reheat/
{ "a_id": [ "d8vxcbs" ], "score": [ 3 ], "text": [ "Normally it is the container that cannot be reheated, rather than the food. Plastic trays or to-go boxes can't handle the heat of whatever food is on them being heated (either for the first time, or again) and so they say do not re-heat. Move the...
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6tmfxl
why is it that retail jobs seem to expect the most out of their employees for seemingly the least pay?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6tmfxl/eli5_why_is_it_that_retail_jobs_seem_to_expect/
{ "a_id": [ "dlltndc" ], "score": [ 9 ], "text": [ "The reason is that in retail, almost every employee nearly all the time is facing a customer. If you're not \"excited\" about the company, constantly cheerful, etc., customers could pick up on that and have a less enjoyable shopping experience, a...
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23vrnf
tomatoes and peppers are native to the americas. why are they identified with traditional italian/indian/chinese/etc food?
I have trouble imagining Italian food without tomatoes, or Indian or Chinese food without spicy peppers. However, just a handful of centuries ago, those foods were unknown outside of America. They were brought back to Europe by colonizers. What did people eat there before the introduction of American produce? Why aren...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/23vrnf/eli5_tomatoes_and_peppers_are_native_to_the/
{ "a_id": [ "ch11lp1" ], "score": [ 5 ], "text": [ "A handful of centuries is an extremely long time. I wouldn't be surprised if the foods you mention almost completely supplanted traditional foods in Asia and Europe. Many New World crops offered vastly superior yields and nutritional value -- the...
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1rzeho
how the "ice tsunami" in the attached video happens /moves
_URL_0_
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1rzeho/eli5_how_the_ice_tsunami_in_the_attached_video/
{ "a_id": [ "cdsf7mx" ], "score": [ 2 ], "text": [ "It is called chandeliering ice. It happens when the ice melts rapidly. The solid chunks of ice melt into these much smaller ice crystals: [Chandeliering Ice](_URL_0_ ) . So if you now have a lake full if these little vertically bobbing ice crys...
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[ "http://youtu.be/ER2WSBtVoPw" ]
[ [ "http://i.imgur.com/lUAtM4S.jpg" ] ]
50yjhe
if i move at the same spinning speed of the earth but in the opposite way, will i have the same hour of the day forever?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/50yjhe/eli5_if_i_move_at_the_same_spinning_speed_of_the/
{ "a_id": [ "d77wnx5", "d77wtu4", "d784xkn" ], "score": [ 13, 11, 13 ], "text": [ "Yes. In theory you could do this in an airplane if you could keep it fueled. The sun would stay at the same angle in the sky from your point of view -- in effect the time of day would never change.\n...
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auqkqx
carl jung's theory of the unus mundus and synchronicity
I just came across this in a book I'm reading. Googled it, mind melted a bit, figured this would be the place to ask for an explanation. I'm really intrigued by the explanations I've read, but I'm afraid I haven't fully grasped the concept.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/auqkqx/eli5_carl_jungs_theory_of_the_unus_mundus_and/
{ "a_id": [ "eh9zh1d" ], "score": [ 3 ], "text": [ "It's been 15 years since I studied Carl Jung. His work is difficult. Synchronicity, as I understood it, is a way of understanding how things work in the world by observing what happens when other things happen and noting the patterns. In modern s...
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4fu6ox
why do some animals dont mind being frozen for half a year but we die in a couple of minutes if our body loses a few degrees?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4fu6ox/eli5_why_do_some_animals_dont_mind_being_frozen/
{ "a_id": [ "d2bz2ju", "d2c6w6w" ], "score": [ 7, 2 ], "text": [ "Their blood has stuff in it that basically acts like antifreeze, and we don't. When people freeze, the water in our bodies turns to ice which is very damaging to our cells, it pretty much grinds us up from the inside out wh...
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3zloue
why america has over 7,000 nukes. what situation could they even need half of this number?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3zloue/eli5_why_america_has_over_7000_nukes_what/
{ "a_id": [ "cyn3e9p", "cyn3iwe", "cyn3mxe", "cyn51av", "cyn6vu2", "cynd5kg" ], "score": [ 103, 74, 2, 14, 10, 9 ], "text": [ "You need to go back to the Cold War to really understand this. America and the USSR were in a heated arms race to constantly deter ...
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25nygn
if scientists discover "the theory of everything," then what?
I remember learning years ago in high school science that Einstein was trying to find a "theory of everything," but was unable to achieve that goal. I see mentions of this theory on the internet every now and again and I don't fully understand what discovering it would achieve. Does string theory have anything to do ...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/25nygn/eli5_if_scientists_discover_the_theory_of/
{ "a_id": [ "chj105p", "chj1kq6", "chj256e" ], "score": [ 6, 4, 3 ], "text": [ "We would still have to discover a lot. What scientists would know through the \"theory of everything\" is the physics that govern everything.\n\n Think of a jig saw puzzle, its like the outline of the p...
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[ [], [], [] ]
2p4sb0
what is actually happening when i compress files via winzip and how is it different from winrar? what determines the compression ratio?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2p4sb0/eli5_what_is_actually_happening_when_i_compress/
{ "a_id": [ "cmtdt60" ], "score": [ 4 ], "text": [ "Imagine I give you a series of character and tell you to remember it.\n\nrrrrrrgggrggggrrrrrrgggggggggggg\n\nYou could remember it as it is, or you could choose a shorthand that would let you re-create it. One way would be:\n\n7R3GR4G6R12G\n\nYou...
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223dnj
how discounts for bulk quanity purchases are economical for the vendor?
It seems that when items are bought in bulk, the cost per unit is often lower than if only a signle unit was purchased. Why would a company lower the cost per unit for bulk purchases when they could make a lot more money of they keep the markup the same as individual units?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/223dnj/eli5_how_discounts_for_bulk_quanity_purchases_are/
{ "a_id": [ "cgiy7gf" ], "score": [ 2 ], "text": [ "It's more work and more packaging to sell things individually. It also takes up warehouse space and takes more time to get paid.\n\nLet's say you have a broken down old car in your driveway. You might be able to get $2000 selling it for parts. Th...
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45qs3k
why does deep frying a fish (as opposed to grilling or steaming) make all of the bones and tough parts edible?
Just munched my way through an entire fish, head, tail and all, which I'm normally not able to do
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/45qs3k/eli5_why_does_deep_frying_a_fish_as_opposed_to/
{ "a_id": [ "czzjpds", "czzrgo0" ], "score": [ 2, 16 ], "text": [ "just FYI whoever posted here before this comment (and who isn't /u/rudedood), it looks like you're shadow-banned ", "You don't deep fry the bones etc, you \"clean\" the fish first which means cutting out all the edible ...
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[ [], [] ]
u9dej
how satellite image websites (like google maps in satellite view) can take pictures of heavily clouded/smoggy areas?
I flew from Seoul's Incheon airport on Friday and as we passed over the city I looked down and tried to take a photo. It was so heavily polluted you could barely see anything. Do Satellite imaging companies wait for a clear day or is there some other technology to see through smog and cloud? How does the military get a...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/u9dej/eli5_how_satellite_image_websites_like_google/
{ "a_id": [ "c4tf1vx", "c4tkf3c", "c4tn0sf" ], "score": [ 6, 3, 3 ], "text": [ "A lot of what you see on google maps is actually \"orthophotography\", not \"satellite\" _URL_0_ othophoto is really just a photo from the taken from the air.\n\nOften They'll have special planes fly re...
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[ [ "photography.An" ], [], [ "http://science.slashdot.org/story/07/04/30/0237218/how-google-earth-images-are-made", "http://web.archive.org/web/20100317183549/http://www.google.com/librariancenter/articles/0604_01.html" ] ]
3plmla
why the engineers behind the hindenburg blimp thought that filling the blimp with hydrogen was a good idea.
I'm sure that the average scientist would know that pressurized hydrogen is flammable. Did they just assume the blimp could not fail like in the case of the Titanic? I'm fully prepared for the Archer jokes to flood in here...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3plmla/eli5_why_the_engineers_behind_the_hindenburg/
{ "a_id": [ "cw7cqu1", "cw7cr8n", "cw7dcci", "cw7p2qe" ], "score": [ 5, 2, 4, 2 ], "text": [ "because it's cheaper and more buoyant than helium; helium is pretty hard to extract in large quantities", "Because it was extremely cheap, and easy to manufacture, also the onl...
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2wmhfi
why is it that when i'm really drunk i can barely taste what i'm drinking, but i feel like i'm hypersensitive to how food tastes?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2wmhfi/eli5_why_is_it_that_when_im_really_drunk_i_can/
{ "a_id": [ "cos9zd8", "cosa9m8", "cosamr8" ], "score": [ 2, 4, 2 ], "text": [ "This is a fantastic question. I want to know too.", "Because you are becoming taste blind to the beer over time. If you sit in a room that has a nice smell you'll eventually not be able to smell it...
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[ [], [], [] ]
2mmfti
what happens if you were to be injured in outer space (e.g. on the international space station)?
Does blood clot the same? Do injuries take longer to heal?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2mmfti/eli5_what_happens_if_you_were_to_be_injured_in/
{ "a_id": [ "cm5lwrb" ], "score": [ 3 ], "text": [ "Blood will clot pretty much the same, but it would be a lot messier. Especially a major trauma - the cleanup would be pretty gruesome.\n\nPerforming surgery in zero-g is so far all hypothetical. The Skylab astronauts trained for some medical em...
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apbtfi
why are some books (mostly reference and educational books) printed with two columns of text, as opposed to novels with one column?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/apbtfi/eli5_why_are_some_books_mostly_reference_and/
{ "a_id": [ "eg79yhu", "eg7d15v" ], "score": [ 17, 8 ], "text": [ "Reference and educational books tend to have smaller type than novels. Smaller type means more words per line and it is harder to make sure you don't skip a line while you are reading. \n\nAlso, information in textbooks and...
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[ [], [ "https://www.viget.com/articles/the-line-length-misconception/" ] ]
zo873
how we can tell a galaxy is x light years away?
Example, how can we tell that a galaxy is 2.5 million light years away?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/zo873/eli5_how_we_can_tell_a_galaxy_is_x_light_years/
{ "a_id": [ "c66aod7" ], "score": [ 2 ], "text": [ "[Here is a nice little video explaining how we measure the universe](_URL_0_)\n\nSkip to 3:30 if you want specifically how they do it for galaxies. Recommend to watch full video though." ] }
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[ [ "http://vimeo.com/41434123" ] ]
bkau81
how do series like planet earth capture footage of things like the inside of ant hills, or sharks feeding off of a dead whale?
Partially I’m wondering the physical aspect of how they fit in these places or get close enough to dangerous situations to film them; and partially I’m wondering how they seem to be in the right place at the right time to catch things like a dead whale sinking down into the ocean? What are the odds they’d be there to...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/bkau81/eli5_how_do_series_like_planet_earth_capture/
{ "a_id": [ "emfb3d9", "emfbd9q", "emfbqjf", "emff53k", "emfj5lf", "emfjgwf", "emfke49", "emflrwx", "emforsl", "emfqnt4", "emfqwsx", "emfrpsg", "emfta35", "emftj8n", "emftlfi", "emftthy", "emftygv", "emfv1it", "emfv2bq", "emfvvnv", "e...
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[]
[ [], [], [], [], [], [], [], [], [ "https://www.youtube.com/watch?v=T20vkGZxULo" ], [ "https://www.youtube.com/watch?v=qAOKOJhzYXk" ], [], [], [], [], [ "https://www.kuow.org/podcasts/thewild" ], [], [ "https://www.google.com/amp/s/www.mirror.co.uk/tv/tv-news/blu...
li7k0
central limit theorem and normal distributed variables, in statistics
I'm taking a statistics class that's kicking my ass. The class is online, the professor is pretty worthless. My classmates are of little help! I'm completely lost. Why is normal distribution relevant, and how does central limit theorem relate to it?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/li7k0/eli5_central_limit_theorem_and_normal_distributed/
{ "a_id": [ "c2swl8s", "c2swl8s" ], "score": [ 2, 2 ], "text": [ "I'll give it a shot. First the book definition:\n\nCentral Limit Theorem: For any population with mean μ and standard deviation σ, the distribution of sample means for sample size *n* will have a mean of μ and a standard dev...
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[ [ "http://onlinestatbook.com/2/sampling_distributions/SampDist_v1.html" ], [ "http://onlinestatbook.com/2/sampling_distributions/SampDist_v1.html" ] ]
3sg07f
if waterjet cutting is capable of slicing metal with water, how does it not destroy the pipes and nozzle that carry and direct the water?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3sg07f/eli5_if_waterjet_cutting_is_capable_of_slicing/
{ "a_id": [ "cwww84h" ], "score": [ 2 ], "text": [ "Typically an finely-powdered abrasive is added just prior to stream exit, and the very hard ceramic nozzles *do* wear out quickly. But, they're easy and quick to replace." ] }
[]
[]
[ [] ]
85fpfe
why do the tips of some airplane wings angle vertically while others do not?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/85fpfe/eli5_why_do_the_tips_of_some_airplane_wings_angle/
{ "a_id": [ "dvx31hj", "dvx38ew", "dvx3cy8" ], "score": [ 2, 3, 3 ], "text": [ "Winglets reduce wingtip vortices, High pressure on the lower surface creates a natural airflow that makes its way to the wingtip and curls upward around it.", "They're called winglets and they're th...
[]
[]
[ [], [ "https://upload.wikimedia.org/wikipedia/commons/thumb/d/d4/737-NG_winglet_effect_%28simplified%29.svg/1920px-737-NG_winglet_effect_%28simplified%29.svg.png" ], [] ]
3jjayi
why some people can't sleep due to brain activity?
Example, I can't stop thinking even if I want to stop.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3jjayi/eli5why_some_people_cant_sleep_due_to_brain/
{ "a_id": [ "cupsa5t", "cuq52rt" ], "score": [ 2, 2 ], "text": [ "A lot of hyperactivity in the mind is linked to the diet, shown more obviously with substances such as caffeine but also with other foods/drinks. E.g. Apple juice before bed can cause hyperactivity in terms of vivid/imaginat...
[]
[]
[ [], [] ]
1lb1wi
how ssl and tls work to secure data, and what the differences between the two are
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1lb1wi/eli5_how_ssl_and_tls_work_to_secure_data_and_what/
{ "a_id": [ "cbxfwsl" ], "score": [ 2 ], "text": [ "SSL (secure socket layer) and TLS (transport layer security) both encrypt data by allowing a client, your web browser, to negotiate a an encryption key with a server - a web server. This key is private and generated not the fly allowing the comm...
[]
[]
[ [] ]
5kclt0
does black matter exist?
The only thing I know about it is that we cant measure it or see it. How is it a fact that is exist?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5kclt0/eli5does_black_matter_exist/
{ "a_id": [ "dbmzz8w", "dbn1gcx" ], "score": [ 4, 8 ], "text": [ "*Dark* matter can be measured by its gravitational influence. Galaxies can be seen to have much more gravitational pull than can be explained from non-dark matter. It also fits into our model of how the universe evolved from...
[]
[]
[ [], [] ]
4y10xn
how cheaters are not caught in online video games.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4y10xn/eli5_how_cheaters_are_not_caught_in_online_video/
{ "a_id": [ "d6k28lf", "d6k3sl9", "d6k5779", "d6kar62" ], "score": [ 18, 3, 2, 3 ], "text": [ "Because they don't ban anyone who is cheating the moment they find out they are cheating.\n\nIt's a constant struggle between cheaters finding new ways to cheat the system and the...
[]
[]
[ [], [], [], [] ]
2jujga
why have game developers and producers stopped making demos of their games?
It seems in the last 8 yrs or so there are barely any demos being made of their products. Is it because they don't have faith in their game or another reason? Thanks in advance.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2jujga/eli5_why_have_game_developers_and_producers/
{ "a_id": [ "clf7aud", "clf7dsp", "clf88fy" ], "score": [ 2, 8, 2 ], "text": [ "They still make them...literally a sub market in the psn", "So the answer is there are less demos due to consumer habits. This means it is our fault. Many people like to \"try\" the game before they...
[]
[]
[ [], [], [ "https://www.youtube.com/watch?v=7QM6LoaqEnY" ] ]
4sm9v1
if i were to urinate, then pick up a syringe and inject said urine into my bloodstream, what would happen?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4sm9v1/eli5_if_i_were_to_urinate_then_pick_up_a_syringe/
{ "a_id": [ "d5adnie", "d5ae1ee", "d5aeall", "d5aejhy" ], "score": [ 54, 3, 3, 2 ], "text": [ "You'd be injecting a lot of concentrated salt, and any impurities that were removed from your bloodstream. Not sure of the instantaneous effect, but after a while your body would ...
[]
[]
[ [], [], [], [] ]
3ouqcc
what causes someone to develop a strong connection to someone, and what causes sadness/being hurt when rejected by the person.
I've always wanted to know if there's a scientific reason.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3ouqcc/eli5_what_causes_someone_to_develop_a_strong/
{ "a_id": [ "cw0ohqk", "cw0sor7", "cw15cjz" ], "score": [ 5, 19, 3 ], "text": [ "Attraction is going to be influenced by a million different factors but definitely: physical traits, body language, scent, personality traits, social status etc. \n", "imagine you were building a h...
[]
[]
[ [], [], [] ]
3co8yb
starting with the comment linked in the body, there is a discussion about how the us's "liberal" is about the same as many countries' "conservative". in what ways?
_URL_0_ I'm from the US, and while I don't consider myself to be an extreme liberal, I definitely lean more that way. What exactly are the liberal beliefs of these other countries if our liberals would be considered conservative there?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3co8yb/eli5_starting_with_the_comment_linked_in_the_body/
{ "a_id": [ "csxd492" ], "score": [ 3 ], "text": [ "Most countries liberal parties are extremely vocal about their support for things like expanded health care, improved minimum wage and improved welfare support. And they're also plenty vocal about making sure the rich people pay for the majority...
[]
[ "https://www.reddit.com/r/AskReddit/comments/3clvdn/what_piece_of_reddit_common_knowledge_completely/csx03j3" ]
[ [] ]
5hol5a
why did new york city become the place for the big city to be built instead of some other state?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5hol5a/eli5_why_did_new_york_city_become_the_place_for/
{ "a_id": [ "db1qwim", "db1qx2g", "db1r031", "db2202w" ], "score": [ 12, 2, 2, 5 ], "text": [ "Lots of States have large metropolitan areas. As to why NYC grew to be a big city. It sits at the mouth of two large rivers that go inland making it an ideal trading post. ", ...
[]
[]
[ [], [], [], [] ]
645n2d
what the hell is going on in the u.s. senate right now? what is a filibuster and why is it bad that they are gone?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/645n2d/eli5_what_the_hell_is_going_on_in_the_us_senate/
{ "a_id": [ "dfzn83b" ], "score": [ 10 ], "text": [ "A filibuster is when a senator or a group of senators purposely delay proceedings. This is accomplished by using the rule that senators are allowed to make a proposal or speech with no time limit. The group of senators will start talking and t...
[]
[]
[ [] ]
13rit4
why the usa doesn't use renewable energy exclusively, what are the pros and cons of renewable energy
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/13rit4/eli5_why_the_usa_doesnt_use_renewable_energy/
{ "a_id": [ "c76izhv", "c76kbt7", "c76lxwk", "c76o5hv" ], "score": [ 5, 2, 2, 5 ], "text": [ "Pro: It's renewable, sustainable and clean\n\nCons\n\n* It's expensive to build\n* It's not dense. You would need very large dams or solar or wind farms to create a usable amount o...
[]
[]
[ [], [], [], [] ]
fjw061
. what’s the difference between open nat and double nat?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/fjw061/eli5_whats_the_difference_between_open_nat_and/
{ "a_id": [ "fkpmqvj" ], "score": [ 2 ], "text": [ "Keep in mind those two terms are specifically used on Xbox consoles, they aren't general networking terms.\n\nNAT is your home router's way of translating your internal IP address (which isn't recognised on the internet), into your external IP ad...
[]
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[ [] ]
3t740d
why are we bombing the islamic state with aircrafts and not sending any troops on the ground?
Is there some different implications when you dispatch soldiers on the ground? Is there a geopolitical or military reason for this? Genuinely curious.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3t740d/eli5_why_are_we_bombing_the_islamic_state_with/
{ "a_id": [ "cx3mwif", "cx3mxq5", "cx3n1ii", "cx3nb42", "cx3nste", "cx3yzv0", "cx4a0h7" ], "score": [ 12, 2, 3, 6, 6, 2, 2 ], "text": [ "Dead soldiers make for bad PR.\n\nAlso, locals often will often blame the western devils them for their shitty si...
[]
[]
[ [], [], [], [], [], [], [ "https://en.wikipedia.org/wiki/Lernaean_Hydra", "http://i.imgur.com/qdCuOIk.jpg", "https://youtu.be/9mTlnrXFAXE", "http://www.pulitzer.org/files/2015/editorial-cartooning/zyglis/05zyglis2015.jpg" ] ]
14p4gt
math people, explain monte carlo integration like i'm 5.
If you could also explain importance sampling that would be awesome.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/14p4gt/math_people_explain_monte_carlo_integration_like/
{ "a_id": [ "c7f4rqd", "c7fddfq" ], "score": [ 119, 4 ], "text": [ "You have a rectangular back yard that is 10 by 15 feet. There is a pond in the middle of irregular shape. You want to know the area of the pond. You start throwing small stones toward the yard randomly, and record the freq...
[]
[]
[ [], [] ]
8ttle1
the calibration and dropping of the bulbs in a galileo thermometer?
how does when the temperature increase, they drop one by one??
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8ttle1/eli5_the_calibration_and_dropping_of_the_bulbs_in/
{ "a_id": [ "e1a55bn" ], "score": [ 4 ], "text": [ "The different bulbs all have different density liquids in them.\n\nWhen the surrounding liquid is denser than the liquid in the bulb, the bulb will float. Otherwise, it sinks.\n\nIt's based on the idea that as temperature increases, density decre...
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[]
[ [] ]
273sq1
why do inmates get free lunch while school students don't?
Xpost from /r/adviceanimals
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/273sq1/eli5_why_do_inmates_get_free_lunch_while_school/
{ "a_id": [ "chx43mt", "chxa7h9", "chxebv2" ], "score": [ 11, 3, 3 ], "text": [ "A lot of prisons actually charge inmates for room and board while they are in prison so they don't always get a free lunch. As to why all school students don't; it is generally accepted that the paren...
[]
[]
[ [], [], [] ]
c1z73d
what makes a computer programmable and not a single purpose machine?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/c1z73d/eli5_what_makes_a_computer_programmable_and_not_a/
{ "a_id": [ "ergjwzi", "erglelt", "ergodsk" ], "score": [ 11, 2, 2 ], "text": [ "It's whole structure. \n\nThe CPU is just a blank calculation machine. It gets data and commands from the memory and writes data back into the memory, so what it does depends fully on what is saved in ...
[]
[]
[ [], [], [] ]
8181b5
unstoppable force vs immovable object paradox; is there any reason why the solution is not that the unstoppable force passes through the immovable object?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8181b5/eli5_unstoppable_force_vs_immovable_object/
{ "a_id": [ "dv15jxz", "dv15xj7" ], "score": [ 2, 2 ], "text": [ "That's just sidestepping the paradox. You could as easily ask \"what if the unstoppable force misses\" I'd say the more significant issue is that neither unstoppable forces nor immovable objects exist. ", "Because the o...
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[ [], [] ]
33srjq
what is the all "paying for mods" talk about?
I am not a gamer, but I'm seeing a lot of commentary around the "paying for mods" topic on reddit/imgur. What's the deal?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/33srjq/eli5_what_is_the_all_paying_for_mods_talk_about/
{ "a_id": [ "cqo1z8j", "cqo204s", "cqo257z", "cqo2tj0" ], "score": [ 3, 8, 3, 2 ], "text": [ "Valve is introducing a paid mods feature, everyone is protesting because the introduction of paid mods essentially ruins the modding community and is just another way for valve to ...
[]
[]
[ [], [], [], [] ]
18gof5
the crew elements of movies/tv shows
How are direction, art direction, cinematography, production, etc. different from one another? What are directors, art directors, cinematographers, and producers in charge of exactly? What makes those different elements "good" or "bad"? What are some examples of good direction,cinematography, etc? And why are they co...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/18gof5/eli5_the_crew_elements_of_moviestv_shows/
{ "a_id": [ "c8eoavc" ], "score": [ 8 ], "text": [ "There are basically two bosses on a movie crew.\n\nThe director is the head of all the creative departments. He's responsible for making all the creative decisions about the project. Some directors are very hands-on with *everything,* and give di...
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[]
[ [] ]
4kbahu
how does the wayback machine work? do deactivated accounts and deleted posts still get stored even if you don't archive them in the _url_0_ website?
Don't the archives present security issues as well, since personal information is always present there? Can you request them to take a page or site off from their archives for good? There have been a few threads re: TWM but I hope for clearer answers. Thank you!
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4kbahu/eli5_how_does_the_wayback_machine_work_do/
{ "a_id": [ "d3dn9mq" ], "score": [ 7 ], "text": [ "They have maaaaaaassive servers in the petabyte range. (It's a major source of funding stress for them I think – getting more and more storage) edit: [9 PB + 20 TB/mo](_URL_0_) i was wrong\n\nThey regularly crawl through the web (so your personal...
[ "archive.org" ]
[]
[ [ "https://en.wikipedia.org/wiki/Wayback_Machine#Storage_capabilities" ] ]
5octjz
why do doctors/etc. squirt out the contents of a syringe before administering it in movies/television?
I've seen this quite a few times in various movies and TV shows, and I'm sure that people don't actually do this in real life, right? When did this trope start? What's the purpose behind it?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5octjz/eli5_why_do_doctorsetc_squirt_out_the_contents_of/
{ "a_id": [ "dcib50r", "dcib7h1", "dcibnmz", "dcicf0a", "dcieljy", "dcir7p8" ], "score": [ 54, 8, 9, 9, 59, 2 ], "text": [ "They are removing air from the syringe.\n\nYou do not want a bubble of air in one of your veins or arteries.", "Pointing the needl...
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[]
[ [], [], [], [], [], [] ]
1ej3cz
why is it ok for the u.s. to fire missiles at pakistan, killing civilians, but not ok for north korea to do the same to its perceived enemies?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1ej3cz/eli5_why_is_it_ok_for_the_us_to_fire_missiles_at/
{ "a_id": [ "ca0pwwe", "ca0qjwt", "ca0rp02", "ca0szo3", "ca0t88q", "ca0txhi", "ca0vd5z", "ca0vkt9", "ca0vlej", "ca0vsfr", "ca0vws6", "ca0vwsn", "ca0w5l5", "ca0w5yf", "ca0w9c9", "ca0wb2o", "ca0wirn", "ca0wo3t", "ca0wqmu", "ca0wy0l", "c...
[]
[]
[ [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [ "http://en.wikipedia.org/wiki/Shamsi_Airfield#Lease_by_the_United_States_.282001-2011.29", "http://en.wikipedia.org/wiki/Terrorism_in_Pakistan", "http://www.reuters.com/article/2011/05/20/us-pak...
21xikj
why did humanity develop money? could the worlds population exist without money?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/21xikj/eli5_why_did_humanity_develop_money_could_the/
{ "a_id": [ "cghdokh", "cghe1s2", "cgheef2", "cghho50", "cghi2zk", "cghmgo1", "cghnqzw" ], "score": [ 17, 10, 23, 2, 3, 2, 2 ], "text": [ "How many goats will get me into the movie theater? How many cars is compensation for a day's work?\n\nThat's wh...
[]
[]
[ [], [], [], [], [], [], [] ]
39ir9u
how is the change in the height of a mountain determined after something like an earthquake happens?
I guess this would entail how are the heights of mountains measured in general also. Just something I've always wondered about. Thanks!
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/39ir9u/eli5_how_is_the_change_in_the_height_of_a/
{ "a_id": [ "cs3q0n7" ], "score": [ 3 ], "text": [ "These days they would be measured with lasers and GPS.\n\nPreviously, they used triangulation. If you have two points of know position and elevation that have clear site of the summit, you can use trigonometry to compute the its exact location."...
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[ [] ]