q_id stringlengths 5 6 | title stringlengths 3 296 | selftext stringlengths 0 34k | document stringclasses 1
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c66glk | when working out, is it good, bad or no impact on the result, if you get lactic acid build up? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/c66glk/eli5_when_working_out_is_it_good_bad_or_no_impact/ | {
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"Generally bad. Lactic acid buildup causes muscle cramping. It's usually as a result of anaerobic exercise, such as weightlifting, but it can be caused by poor condition and muscles being starved of oxygen due to the lungs no... | [] | [] | [
[],
[]
] | ||
ap1wxx | how do hoas actually have any power to enforce their rules? i.e. if i bought a house in one and refused to abide by their rules what gives them the power to fine me? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ap1wxx/eli5_how_do_hoas_actually_have_any_power_to/ | {
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"text": [
"You agreed by buying a house in the development. Same reason you have to pay HOA fees.\n\nJust cut your lawn.",
"Usually as part of the purchase, you woul... | [] | [] | [
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6l8lji | how does a country -test- a long range missile | Do they launch an actual rocket? Do they just launch something with gps on it? Long story how does a country say we can launch anywhere? Thanks for your help | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6l8lji/eli5_how_does_a_country_test_a_long_range_missile/ | {
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"They do launch a missile. They'll have a set of objectives such as range, accuracy and not exploding on launch. A missile can have longer range than tested. It's possible a test doesn't meet the maximum range of the missile,... | [] | [] | [
[],
[]
] | |
4z6cg7 | - what's the difference between relative and absolute motion? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4z6cg7/eli5_whats_the_difference_between_relative_and/ | {
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"In strictly physical terms, *all* motion is relative: there is no such thing as absolute motion. The key to understanding motion problems is to be clear about the frame of reference. \n\nYou might be standing still on the ground, with a dog sitt... | [] | [] | [
[]
] | ||
7w6sou | why does easter change dates every year? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7w6sou/eli5_why_does_easter_change_dates_every_year/ | {
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"Because it follows the moon and equinox (which aren't what our calendar is based on any more). Easter Sunday is the first Sunday following the first full moon after the Spring Equinox (which was later ... | [] | [] | [
[],
[],
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] | ||
ba7x73 | how body spray cans (and other similar cans) stay cold in room temperature? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ba7x73/eli5_how_body_spray_cans_and_other_similar_cans/ | {
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"text": [
"The temperature of spray cans will eventually become the same as the temperature of the air inside the room.\n\nThe reason they might feel cold is that we don't actually feel temperature of objects. We feel the change in our own skin temperature ... | [] | [] | [
[]
] | |
mnfom | evolution and mating with ancestors. | Hi, I wasn't really sure how to word this because I'm a little unsure of exactly what part about this I don't understand, but I'll try my best.
Basically what I'm not sure about is, at what point is a new species unable to reproduce with it's ancestors? What would stop that from happening? Is it a sudden thing?
If ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/mnfom/eli5_evolution_and_mating_with_ancestors/ | {
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"You mean at what point in our evolutionary devel... | [] | [] | [
[],
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"http://en.wikipedia.org/wiki/Speciation"
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"http://en.wikipedia.org/wiki/Reproductive_isolation",
"http://i.imgur.com/BP1k9.jpg"
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"https://en.wikipedia.org/wiki/Ring_species"
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"http://en.wikipedia.org/wiki... | |
duwd6d | how did people begin to disprove the geocentric model? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/duwd6d/eli5_how_did_people_begin_to_disprove_the/ | {
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"text": [
"Early evidence: the visible planets follow bizzare paths across the sky that are difficult to explain with the Earth at the center. Mercury and Venus never leave the Sun's proxim... | [] | [] | [
[],
[],
[
"http://tofspot.blogspot.com/2013/10/the-great-ptolemaic-smackdown-table-of.html"
],
[]
] | ||
3ptgg6 | why do dog's do that little moonwalk on grass after they pooped on it? | Whenever I walk my dog he does that little moonwalk dog thing on EVERYONE's lawn, regardless if he went to the bathroom on it or not. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3ptgg6/eli5_why_do_dogs_do_that_little_moonwalk_on_grass/ | {
"a_id": [
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"score": [
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"text": [
"They're using their feet to release chemicals that mark their territory. It's specifically used as a form of communication by your dog to let other dogs know that your dog 1) Was there, and 2) Took a poo. ",
"As Rhinest... | [] | [] | [
[],
[]
] | |
257vyr | why is it easier to text with one eye closed when i'm drunk? | Can someone explain the biology behind that? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/257vyr/eli5_why_is_it_easier_to_text_with_one_eye_closed/ | {
"a_id": [
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"text": [
"Not a scientist here! \n\nUmmm... I guess it can be basic logic.... Well currently you are using 2 eyes to see. if you are drunk, your vision is gonna be messed up because you have light coming into both eyes and stuff... Now if you close one eye... | [] | [] | [
[]
] | |
8xu9qx | how do you actually purchase shares? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8xu9qx/eli5_how_do_you_actually_purchase_shares/ | {
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"text": [
"For your typical small-change investor, you do this through a brokerage. You tell the brokerage firm what you want to buy and how much you're willing to pay their computer systems match you with a seller.\n\nI personally use E*trade, but there a... | [] | [] | [
[]
] | ||
5hbwx8 | how does chocolate stay soft in the inside of a hard chocolate shell? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5hbwx8/eli5_how_does_chocolate_stay_soft_in_the_inside/ | {
"a_id": [
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"score": [
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"text": [
"chocolate obviously sets hard, unless you add something to it to keep it from doing so.\n\nTypically this is done by making a ganache. You can make a simple one by melting chocolate and adding enough cream to stop it from setting hard.\n\nIt's su... | [] | [] | [
[]
] | ||
2b462v | what is the chemical reaction that lets white phosphorus burn underwater? | . | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2b462v/eli5_what_is_the_chemical_reaction_that_lets/ | {
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"text": [
"White phosphorus glows in the dark when exposed to damp air in a process known as chemiluminescence.\n\nA safer method for demonstrating the burning of white phosphorous under water is described. This demonstration uses 3% hydrogen peroxide solut... | [] | [] | [
[]
] | |
5tkhsq | why can we do some things simultaneously (e.g. talk and drive a car) but not others (drawing the number 6 while making clockwise circles with your leg)? | There is much negative research about multitasking, but clearly there are some amazing attributes (e.g. Piano playing). I'd love someone to explain it simply! | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5tkhsq/eli5_why_can_we_do_some_things_simultaneously_eg/ | {
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"text": [
"I studied brain science in university, including this exact topic.\n\nIn short, tasks that require similar kinds of mental processing interfere with each other, because the same part of your brain is trying to do both of the... | [] | [] | [
[],
[]
] | |
3bw8ne | how does funding a politician work exactly? | Basically, if a company gives a politician 5 million dollars, is that public information? Are companies or individuals required to make that information available? Do the politicians have to make that information available?
Thanks. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3bw8ne/eli5_how_does_funding_a_politician_work_exactly/ | {
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"text": [
"Yes, current law dictates that those receiving campaign funds (and making expenditures with the money) must periodically report that information. The Federal Election Commission is one place that they must report to, and you... | [] | [] | [
[
"https://www.opensecrets.org/",
"https://if.then.fund/",
"http://www.fec.gov/pindex.shtml"
],
[]
] | |
1rytpp | why is it bad to put non-stick pans in the dishwasher? | I know it is bad but I would like to know WHY it is bad. It doesn't make sense how a pan that can handle to 400+ degrees on the stovetop will be harmed by a dishwasher.
| explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1rytpp/eli5_why_is_it_bad_to_put_nonstick_pans_in_the/ | {
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"text": [
"Many non-stick surfaces are just fine with being hot or exposed to detergents, but are prone to scratching or chipping. They commonly warn you to use plastic or wooden utensils to protect the coating, and not to put them in ... | [] | [] | [
[],
[]
] | |
3ka7eq | how did antarctic penguins evolve to travel so far for food and breeding? | I recently watched March of the Penguins and I can't get my mind around how they could have evolved to live in those conditions. I guess I'm asking for the Antarctic Penguin evolutionary history in relation to their environment. Thanks! | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3ka7eq/eli5_how_did_antarctic_penguins_evolve_to_travel/ | {
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"Consider you live in a nice warm climate, eating fish, and nesting inland to avoid seabirds preying on your eggs. You can walk to and on shore and don't really need to fly, so you lose that ability, but those wings make great swimming paddles so ... | [] | [] | [
[]
] | |
aa5dzt | do batteries really develop a “memory” from charging them when they aren’t fully dead and if so how? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/aa5dzt/eli5_do_batteries_really_develop_a_memory_from/ | {
"a_id": [
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"text": [
"NiCad (nickel cadmium) batteries had this “memory”, but lithium batteries that are used now don’t."
]
} | [] | [] | [
[]
] | ||
5fst4s | if a super conductor has zero resistance is it possible to pass infinite current | I have a decent understanding of electricity but couldn't find a decent or simple answer. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5fst4s/eli5_if_a_super_conductor_has_zero_resistance_is/ | {
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"text": [
"No. All superconductors have a \"critical current density,\" above which they cease to act like superconductors. This current density can be very large (several thousand amps per square millimeter), but not infinite."
]
} | [] | [] | [
[]
] | |
4wwni2 | why do video game developers release games on some platforms but not others? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4wwni2/eli5_why_do_video_game_developers_release_games/ | {
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"Because it takes real work and effort to produce a game on distinct platforms. Ultimately... | [] | [] | [
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4g1y5u | why ants are scared of chalk? we had an ants problem and i drew a circle around the ant with chalk and it was essentially trapped and didn't cross the line? why are they scared of it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4g1y5u/eli5_why_ants_are_scared_of_chalk_we_had_an_ants/ | {
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"text": [
"Ants leave a pheremone trail that can be traced/followed by other ants and by crossing the chalk the trail is diminished and they are separated from the colony",
"They aren't \"scared\" of it. Fear is too advanced of a ... | [] | [] | [
[],
[]
] | ||
6xz4uf | why did usa lose the drug war? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6xz4uf/eli5_why_did_usa_lose_the_drug_war/ | {
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"there is no way to win a war on inanimate objects. drugs are really really convincing . i mean, its drugs they make you feel good and... | [] | [] | [
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86kvzn | star formation | So stars form from clouds of dust due to gravity and the left overs become planets. But stars are mostly hydrogen, a very light element, while planets have much heavier elements. Shouldn't the heavier elements be in the center of this cloud before the star starts to form and become part of star? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/86kvzn/eli5_star_formation/ | {
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"text": [
"The mass is rotating from the original collapsed cloud. They can't simply negate this velocity in order to fall into the center of the cloud (any more than the earth can suddenly fall straight into the sun). As such, there is a distribution of el... | [] | [] | [
[]
] | |
31vbvh | why is my cat so hell bent on showing me his butthole? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/31vbvh/eli5why_is_my_cat_so_hell_bent_on_showing_me_his/ | {
"a_id": [
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"text": [
"Well, humans have this taboo about buttholes that other animals don't have. But he's probably showing you that he trusts you.\n\nCats recognise each other by small, and cats' butts have scent glands. So it's common for cats to sniff each other's ... | [] | [] | [
[]
] | ||
dbod30 | the injection of liquidity by the fed last week | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dbod30/eli5_the_injection_of_liquidity_by_the_fed_last/ | {
"a_id": [
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2
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"text": [
"Banks / Markets ran out of cold hard cash, which means they can't make anymore new loans, which means business that needs said loan go bankrupt, which cascades and ruins everyone's day in the end.\n\nHow do you know when a b... | [] | [] | [
[],
[
"https://fred.stlouisfed.org/series/SOFR",
"https://fortune.com/2019/09/26/the-feds-repo-market-bailout-is-a-sign-of-deeper-problems-that-are-getting-worse-over-time/"
]
] | ||
3d89y7 | how is 50 cent bankrupt? | As I understand it, he is being sued for $5 million but he's worth like $155 million, I thought bankruptcy was when you had no money to pay debts? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3d89y7/eli5how_is_50_cent_bankrupt/ | {
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"There's a few different types of bankruptcy. There's the kind when you owe people a lot more money than you have (like if you bought a car for $10,000 but now it's only worth $5000), which is probably the kind you're thinking of. This is not 50 ... | [] | [] | [
[]
] | |
c6f47k | how scientists counted numbers of electrons on each shell (energy level) of atom? | As I know, you can’t “see” every electron orbiting nucleus of atom, it’s more like electron cloud around nucleus. And I don’t understand how scientists figured maximum number of Ed electron on each energy level | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/c6f47k/eli5_how_scientists_counted_numbers_of_electrons/ | {
"a_id": [
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"tl;dr : Electrons exist in predictable energy levels that we can measure by seeing how much energy it takes to remove each of those electrons (ionisation energies) and graphing it.\n\n & #x200B;\n\nThis is a great question! and unfortunately requ... | [] | [] | [
[
"https://imgur.com/a/wT0ackk",
"https://imgur.com/a/qSC8WnS"
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3cuc28 | why does peanut better remove gum so well? | It gets it out of hair, carpet and seemingly everything. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3cuc28/eli5_why_does_peanut_better_remove_gum_so_well/ | {
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"text": [
"It's a case of \"like dissolves like.\" Gum is a substance that repels water (hydrophobic - literally water-fearing). Peanut butter is also hydrophobic because it is mainly made of peanut oil and fats.\n\nTherefore, because ... | [] | [] | [
[],
[]
] | |
1jq973 | why it's a big deal that bacteria is becoming immune to antibiotics? | I mean, I get why, but we have so many different drugs. Are they getting immune to all of them? And if so, why can't they just research something new? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1jq973/eli5_why_its_a_big_deal_that_bacteria_is_becoming/ | {
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"text": [
"Yes bacteria are getting resistant to just about every antibiotic around. Lots of drugs are not bacteria killers. \n\"They\" are working on it. It just might... | [] | [] | [
[],
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[],
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61ybnr | why is the skin on our arms and legs generally clear and beautiful, while our faces and back tend to get acne and clogged pores? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/61ybnr/eli5why_is_the_skin_on_our_arms_and_legs/ | {
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... | [] | [] | [
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"https://en.wikipedia.org/wiki/Sapienic_acid",
"https://en.wikipedia.org/wiki/Acid_mantle"
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6s2qzu | how did salt and pepper become the chosen ones of food spices? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6s2qzu/eli5_how_did_salt_and_pepper_become_the_chosen/ | {
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"... | ||
3xpj3n | if oil is an scarce resource, why is it's price going down? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3xpj3n/eli5_if_oil_is_an_scarce_resource_why_is_its/ | {
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"text": [
"It is a finite resource but it is actually fairly abundant (I know that this will be corrected by someone soon). \nFor example the Ghawa... | [] | [] | [
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"http://www.ft.com/cms/s/0/20474556-9a62-11e5-9228-87e603d47bdc.html",
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8cct9g | why is typically considered worrisome when a baby doesn't cry/make noise after being born? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8cct9g/eli5_why_is_typically_considered_worrisome_when_a/ | {
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"text": [
"Because crying and/or making noise is normal, so the lack of that usually indicates some sort of medical problem (usually a respiratory problem of some sort).",
"Usually because it’s very possible ... | [] | [] | [
[],
[],
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] | ||
xk5ej | is there a reason we can't just boil contaminated water to make it drinkable? | For third world countries and the like. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/xk5ej/is_there_a_reason_we_cant_just_boil_contaminated/ | {
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"Not all contaminants are alive. Boiling kills \"germs\", you still need to remove poisonous chemicals.\n\nYou could potentially take boiling a step further... | [] | [] | [
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ciij3i | how does the police obtain the position of a call without the phone having location turned on? |
I know this is possible and is also less accurate than GPS positioning, but am not really sure how it works.
My guess would be that they get the info from the provider who calculates the position based on the caller's proximity to their antennas.
Also, why is it less accurate? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ciij3i/eli5_how_does_the_police_obtain_the_position_of_a/ | {
"a_id": [
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"score": [
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"text": [
"They use the signal strength of your phone between multiple phone masts and that helps them narrow bit down. Its also instant you don't need to keep someone on then line",
"Every phone pings to it's nearest tower while ... | [] | [] | [
[],
[]
] | |
5g72wp | when people say "your stomach shrinks when you don't eat" what do they really mean? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5g72wp/eli5when_people_say_your_stomach_shrinks_when_you/ | {
"a_id": [
"daq13g3"
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"text": [
"There's a couple different reasons for this, some of it related to the size of your stomach (the body organ where food goes to start digestion). \n\n1. Your stomach expands quite a bit if you eat a lot. And if you often eat large amounts, your... | [] | [] | [
[]
] | ||
bgrct8 | why is the word 'drinking' associated with alcohol? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bgrct8/eli5_why_is_the_word_drinking_associated_with/ | {
"a_id": [
"eln7w4e",
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"score": [
3,
12
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"text": [
"Well when going out \"drinking\" in social gatherings most people pretty much always drink alcoholic beverages also because alcohol changes how you behave and makes you kinda more confident where as going out drinking water... | [] | [] | [
[],
[]
] | ||
f44374 | what does eating slower actually do for you? | When I was younger my mother would always tell me to eat slower, and I abided, but what does it actually do for you? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f44374/eli5_what_does_eating_slower_actually_do_for_you/ | {
"a_id": [
"fho25ti",
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"score": [
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"text": [
"For people that over eat, eating slower can help you eat less. It takes a while for you to realize you are full.",
"One eating slower allows you to chew your food more, burn... | [] | [] | [
[],
[],
[],
[]
] | |
5fmt8a | how does bernoulli's principle work in aspirators? | I know the concept, but I can't for the life of me understand it conceptually. I haven't had this much trouble in physics since Newton's third law, and this is really bothering me. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5fmt8a/eli5_how_does_bernoullis_principle_work_in/ | {
"a_id": [
"dalftqj"
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"score": [
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"text": [
" > but I can't for the life of me understand it conceptually.\n\nThink about the pressure of a fluid being the effect of the collision of many particles of the fluid. The bulk effect of this kinetic motion is the pressure on the vessel walls.\n\... | [] | [] | [
[]
] | |
2pni1b | what causes us to have a random "awkward" flashback, even though that flashback had nothing to do with what you were doing? | I'm talking about those flashbacks you have where you cringe just thinking about it.
EDIT: I should note; I don't mean an actual "flashback". More of a bad memory.
EDIT2: You're all awesome. Thanks for the answers. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2pni1b/eli5_what_causes_us_to_have_a_random_awkward/ | {
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"cmyk0v2",
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"c... | [] | [] | [
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"http://en.wikipedia.org/wiki/Involuntary_memory"
],
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dxh88a | whats the difference between bigot and racist and prejudice and discrimination ? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dxh88a/eli5_whats_the_difference_between_bigot_and/ | {
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"score": [
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"text": [
"A Bigot is someone who is mean to someone because of how they perceive the other person's identity. A Racist is someone who participates in systematically abusing power over groups of people because o... | [] | [] | [
[],
[],
[]
] | |
nyo8a | why black, magenta, and possibly white aren't colours, and are there any other non-colour colours? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/nyo8a/eli5_why_black_magenta_and_possibly_white_arent/ | {
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"text": [
"They are colours, but they're not monochromatic colours - ones with only one wavelength of light. They're made up of a combination of monochromatic colours. \n\nIt's a bit like t... | [] | [] | [
[],
[],
[],
[
"http://www.youtube.com/watch?v=S9dqJRyk0YM"
]
] | ||
2qphps | when someone gets a tattoo, why do antibodies trap the ink in place under the skin, instead of disposing of it? | It seems like tattoos "work" because antibodies surround ink droplets in the dermis layer under the epidermis. It would make more sense, biologically, to me if instead of just holding the ink in place, they treated the ink like bacteria or a virus to remove it from the body. What exactly is happening here?
for referenc... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2qphps/eli5_when_someone_gets_a_tattoo_why_do_antibodies/ | {
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"cn89kd8",
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"text": [
"I was under the impression that it was the white blood cells, through their phagocytic action, that engulf the ink and cause the permanence of the tattoo.\n\nI don't think we make antibodies to the ink.... | [] | [
"http://i.imgur.com/2vVmYWh.jpg"
] | [
[],
[],
[
"http://youtu.be/D0B7F5UbTOQ"
]
] | |
7en65q | how do (usually paid for) fake social media likes, favorites, and followers actually happen? | I often see advertisements for tools to rapidly gain likes, followers, plays (on soundcloud), or additional methods of clout on various social media sites. What methods do these programs use to make this happen? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7en65q/eli5_how_do_usually_paid_for_fake_social_media/ | {
"a_id": [
"dq65zc1",
"dq66jaf"
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"score": [
2,
11
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"text": [
"They have a bunch of fake accounts, controlled by a computer program. If you pay them and tell them your account name, they will use the computer program to make all of the accounts follow and \"Like\" your post.",
"It'... | [] | [] | [
[],
[]
] | |
2akuwd | why is the f-35 so behind schedule? what's exactly wrong with it? | Why is this jet so expensive? I've never heard of any US defense program costing this much, what makes it so unique? Why now? Is it just sensationalist garbage or is there something more sinister going on? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2akuwd/eli5why_is_the_f35_so_behind_schedule_whats/ | {
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"score": [
18,
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"text": [
"The perfect weapons system for the U.S. military is one that\n\n1. is assembled using parts from 435 Congression... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | |
6ctca8 | why does spinning increase penetration power i.e a drill | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6ctca8/eli5_why_does_spinning_increase_penetration_power/ | {
"a_id": [
"dhx8k05",
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"score": [
5,
2
],
"text": [
"A drill bit is a twisted blade. In order for it to work it needs to rub the blade across the surface to be removed. This only works of the it spins. \n\nYou could create a hole using a blade in a vertical motion, but this wo... | [] | [] | [
[],
[]
] | ||
dpb919 | difference between standard deviation and variance. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dpb919/eli5_difference_between_standard_deviation_and/ | {
"a_id": [
"f5tscpy",
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"text": [
"One important characteristic of a set of data is its dispersion-- basically, how much its values are spread out. So how do we stick a number to measure the dispersion of a set of d... | [] | [] | [
[],
[],
[],
[]
] | ||
1zz3iz | why can we imagine a painting or image perfect in our head/imagination but when it comes to painting or producing it, it comes out looking horrible | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1zz3iz/eli5_why_can_we_imagine_a_painting_or_image/ | {
"a_id": [
"cfy9rcx"
],
"score": [
2
],
"text": [
"I think it's because visual stuff happens in the occipital lobe and movement is controlled by the frontal lobe. I think it takes some serious connecting to sync them up in this (very) specific way.\n\nI've been drawing for about ten years and whi... | [] | [] | [
[]
] | ||
4sqoqq | why are dolls usually a possessed item in scary movies? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4sqoqq/eli5_why_are_dolls_usually_a_possessed_item_in/ | {
"a_id": [
"d5bodme"
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"score": [
4
],
"text": [
"Possessed humanoid objects make people more uneasy. They have heads that can turn for creepy effects, they can \"stand\" like a human when it's being possessed, sit in chairs, do creepy human things.\n\nImagine a possessed lamp. Lamps already sta... | [] | [] | [
[]
] | ||
4tk297 | the concept behind "injury prone." is it just a label or does it hold some scientific backing? | My friends like to call me injury prone and can't say i blame them. Just this past year I tore my hamstring, quadriceps contusion, broken collarbone and broken wrist. Some of my friends have had 0 injury in their whole high school athletic careers.
Are some people more predisposed to injuries than someone doing the s... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4tk297/eli5_the_concept_behind_injury_prone_is_it_just_a/ | {
"a_id": [
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"score": [
13,
3,
5,
2
],
"text": [
"Everyone is born differently with traits inherited by their parents and so forth. Some are gifted genetically and some are not. It is entirely possible that your genes didn't crea... | [] | [] | [
[],
[],
[],
[]
] | |
1dw13a | what is null? | I am a software engineer but my boss isn't. I understand the difference between a null value and, say, an empty string but myself and the other programmers are unable to explain that in a way someone with business experience can understand.
Please help me explain like I'm five what Null is and how it differs from the ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1dw13a/eli5_what_is_null/ | {
"a_id": [
"c9udenj",
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"score": [
5,
2
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"text": [
"Suppose I send you a letter and ask you a question.\n\na) If you send me back the letter with nothing written on it -- > empty string\n\nb) If you don't send anything back -- > NULL\n\n\nEDIT: To incorporate what /u/glutie... | [] | [
"http://www.reddit.com/r/explainlikeimfive/comments/1dw13a/eli5_what_is_null/c9udenj"
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[],
[]
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3dzepd | if a boxer kills his or her opponent in the ring, what happens? does the boxer get any penalty or do they walk away scot-free? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3dzepd/eli5_if_a_boxer_kills_his_or_her_opponent_in_the/ | {
"a_id": [
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2
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"text": [
"Depends on where you are and context. If I were to get into a match, make an illegal punch and kick them in the head while they're down that's obviously not the same as a chance fracture from a legal move causing internal bl... | [] | [] | [
[],
[]
] | ||
3ct4xn | how do scientist know anything about things that are light years away? | I was talking with my boyfriend about black holes the other day and things we know about them...
I'm just wondering how we know ANYTHING about stuff that is light years away that we can only observe through telescopes...I just don't understand how you would even start any sort of hypothesis. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3ct4xn/eli5how_do_scientist_know_anything_about_things/ | {
"a_id": [
"csyobur",
"csyp77h",
"csytjlj"
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"score": [
2,
2,
3
],
"text": [
"Well, you can see them, to start with. This gives you ideas about what they look like and the sort of energies that escape from them. Even better than that, there's a tool called spectroscopy. Light is ... | [] | [] | [
[],
[],
[
"http://www.amazon.com/A-Short-History-Nearly-Everything/dp/076790818X"
]
] | |
53x1re | why can a dslr do 60fps video at 4k but can only take stills at ~8 fps? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/53x1re/eli5why_can_a_dslr_do_60fps_video_at_4k_but_can/ | {
"a_id": [
"d7x0zv9",
"d7xjskj"
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"score": [
3,
2
],
"text": [
"The quality of a still shot is significantly higher than a single frame of 4k video. It isn't correct to just view all images as equivalent.",
"Taking stills means opening and closing the shutter. Shooting video means o... | [] | [] | [
[],
[]
] | ||
a8z013 | when baking, why do you only incorporate one egg at a time? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a8z013/eli5_when_baking_why_do_you_only_incorporate_one/ | {
"a_id": [
"ecf4ik0",
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"score": [
2,
7
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"text": [
"Just to make sure each is fully incorporated. You could have some real textural issues if you ended up with unmixed egg.",
"So they can properly incorporate. Butter (like all fat) doesn’t like mixing with liquid so you ... | [] | [] | [
[],
[]
] | ||
2i2qut | how the military know where to attack when bombing islamic state and in other wars? | So it says they are bombing the command and control posts and headquarters of Islamic State with airstrikes but how do they know? I doubt Islamic State would be advertising where their very important vulnerable buildings are? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2i2qut/eli5how_the_military_know_where_to_attack_when/ | {
"a_id": [
"cky9wi8"
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"score": [
3
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"text": [
"* You can have eyes on the ground or in the sky that monitor possible locations in and see the amount of traffic going in and out and how important the people are that go in and out.\n* You can have agents within the enemy's ranks, telling you wh... | [] | [] | [
[]
] | |
6udphh | can somebody explain what critical flicker fusion is? | It's required in my film course that I research it, but every source I've found doesn't make any sense to me. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6udphh/eli5_can_somebody_explain_what_critical_flicker/ | {
"a_id": [
"dlrxxo8"
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"score": [
2
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"text": [
"You remember drawing those cartoons on the inside of a notebook? The ones where you'd draw on the corner of every page and then when you fanned the pages with your thumb it became a moving cartoon? That's flicker fusion. The flicker fusion thresh... | [] | [] | [
[]
] | |
1ztjf4 | "could of" | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ztjf4/eli5_could_of/ | {
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"text": [
"I'm going to remove this as not really being an eli5 question, but not before noting that this has always been a thing. People who don't do a lot of writing occasionally write as t... | [] | [] | [
[],
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4vvf19 | where sidebands come from during amplitude modulation | I was learning about basic amplitude modulation recently and learned that creating an AM signal just means varying the Carrier signals strength in a way that patterns the modulating signal.
This process, from my understanding, should only be changing the amplitude of a signal on a particular frequency. Yet, somehow, ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4vvf19/eli5_where_sidebands_come_from_during_amplitude/ | {
"a_id": [
"d61qjnn"
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"score": [
2
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"text": [
"Without resorting to formulas:\n\nYou can't change a sine waves's amplitude without creating a non-sinusoidal waveform. \n\nAll non-sinusoidal waves contain more than one frequency. With AM, the frequencies are above and below the carrier by the ... | [] | [] | [
[]
] | |
ffugy0 | how do cash back apps make their money? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ffugy0/eli5_how_do_cash_back_apps_make_their_money/ | {
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"text": [
"They get information about the purchase habits of customers. That information is more valuable to product sellers than the cash back they pay to customers. The difference in val... | [] | [] | [
[],
[],
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5semdw | why does software search for new updates immediately after installing the latest update? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5semdw/eli5_why_does_software_search_for_new_updates/ | {
"a_id": [
"ddefkfu",
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"score": [
7,
2
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"text": [
"Some times it is not possible to go straight from version A to version C without upgrading to version B first. For example a new firmware might have a new way to do firmware upgrades and the most recent upgrade does not have... | [] | [] | [
[],
[]
] | ||
7ocz68 | why do emojis look different across platforms and why do they look especially bad in web browsers? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7ocz68/eli5_why_do_emojis_look_different_across/ | {
"a_id": [
"ds8jlfg"
],
"score": [
13
],
"text": [
"Emojis are Unicode characters just like the letters and numbers in the text around them. Character number 65 is \"Latin capital letter A\", and number 128512 is \"Grinning face\". When I type 😀, your device just gets that number, and it's up to... | [] | [] | [
[]
] | ||
3jzuk2 | why are lawn mowers so loud? the engine is a third the size of a car's but makes three times as much noise? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3jzuk2/eli5_why_are_lawn_mowers_so_loud_the_engine_is_a/ | {
"a_id": [
"cutmv3g",
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"cutv7c1",
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"score": [
9,
29,
3,
2,
4,
6,
2
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"text": [
"Your car has technology to dampen, out reduce, the sound. Lawnmowers have engines that are essentially expose on ... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | ||
1ix2fd | what makes one person intelligent (iq 135) and another slow (iq 95). assume no physical brain damage, birth defects, etc. | Assumptions: Same/similar upbringing, social level/climate, maybe (non-identical) twin brothers.
Notes: IQ numbers are for example. I'm looking for differences in intelligence level. Smart vs. dumb. Einstein vs. (fill in your favorite Dumb & Dumber type person). All other things being equal. I guess I'm lookin... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ix2fd/eli5_what_makes_one_person_intelligent_iq_135_and/ | {
"a_id": [
"cb8vgjx",
"cb8xcnp",
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"score": [
26,
11,
2,
3
],
"text": [
"There are so many potential factors that there is no meaningful answer to this question.",
"It's really complex. It's a huge variety of factors, which include genetics, your... | [] | [] | [
[],
[],
[],
[]
] | |
3ok5xx | could a bank "create" money by applying a positive amount of money to a account while not reducing the amount of money on another? what systems are in place to prohibit this? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3ok5xx/eli5could_a_bank_create_money_by_applying_a/ | {
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"text": [
"They could do this. The system in place to prevent this is the fact that banks are frequently audited. Some are a... | [] | [] | [
[],
[],
[],
[],
[],
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1jl1y9 | why do i want karma so bad? | Why do I desire to have a lot of karma from people I don't even know? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1jl1y9/eli5_why_do_i_want_karma_so_bad/ | {
"a_id": [
"cbfprix",
"cbfpxyk"
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"score": [
3,
10
],
"text": [
"It validates that people like your ideas, think you're funny, or generally enjoy what you say.\n",
"I know this one! This is a psychological phenomenon known commonly as the [Skinner Box](_URL_0_), which is used to expl... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Operant_conditioning_chamber"
]
] | |
2fmvz8 | how to read basic phonetic symbols so i can pronounce stuff correctly from sites like _url_0_ | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2fmvz8/eli5_how_to_read_basic_phonetic_symbols_so_i_can/ | {
"a_id": [
"ckaq6sl",
"ckaqzb4",
"ckat2k7",
"ckau6mp"
],
"score": [
16,
6,
4,
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],
"text": [
"You're really asking for something that could never be condensed into an ELI5 type format, and I realize wikipedia isn't the best source, but there really is a whole lot of useful... | [
"dictionary.com"
] | [] | [
[
"http://en.wikipedia.org/wiki/International_Phonetic_Alphabet"
],
[
"http://learnenglishorstarve.files.wordpress.com/2012/07/ipa-generic.png?w=594"
],
[
"http://upload.wikimedia.org/wikipedia/en/thumb/8/8f/IPA_chart_%28C%292005.pdf/page1-926px-IPA_chart_%28C%292005.pdf.jpg"
],
[
"Dicti... | ||
36tonz | why are there water tanks on the rooftops of older buildings? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/36tonz/eli5_why_are_there_water_tanks_on_the_rooftops_of/ | {
"a_id": [
"crgzch2",
"crgzo8s"
],
"score": [
6,
2
],
"text": [
"They provide water pressure. The water mains don't pump the water hard enough to, for example, run a shower on the top floor. They do, however, pump hard enough to slowly refill the tanks\n\nEdit to add: new buildings have... | [] | [] | [
[],
[]
] | ||
2uxass | why don't trains derail going through snow. | _URL_0_ | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2uxass/eli5why_dont_trains_derail_going_through_snow/ | {
"a_id": [
"cocipuz",
"cocirah",
"cocj25o",
"cock7un"
],
"score": [
5,
4,
3,
2
],
"text": [
"Mostly because trains are really, really heavy. That train almost certainly had a snow plow attachment, much like how big trucks use snow plow attachments to clear roads.\n\nThey ... | [] | [
"http://www.liveleak.com/view?i=a1a_1423095659"
] | [
[
"https://www.youtube.com/watch?v=8AgfPXH0I2I"
],
[],
[
"https://www.youtube.com/watch?v=Ak-RdQeGock"
],
[]
] | |
q34ck | why does caffeine make me feel happy | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/q34ck/eli5_why_does_caffeine_make_me_feel_happy/ | {
"a_id": [
"c3ucho8"
],
"score": [
3
],
"text": [
"Caffeine strengthens the signals between some of the nerve cells in your brain. This can make you feel alert, awake, quick, energetic, or happy.\n\nIt only works for a little while, and if you use it too often, your brain will adjust, reducing th... | [] | [] | [
[]
] | ||
4fp4vv | what is hazing? why does it happen and where did this sadism come from? | I just do not get these stupid and sometimes violent initiations. I thought they were confined to University, but it even happens in the fire department, according to [Law & Order] (_URL_0_) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4fp4vv/eli5_what_is_hazing_why_does_it_happen_and_where/ | {
"a_id": [
"d2asfdi"
],
"score": [
2
],
"text": [
"Imagine you coordinated a social group called the I Climbed Mount Everest group. Except that anyone could join. It didn't matter if you actually climbed mount everest or not.\n\nIf everyone in the group has had a shared experience, this is some... | [] | [
"http://www.imdb.com/title/tt1343624/"
] | [
[]
] | |
82sl79 | might be a repost but - if heat denatures protein, why does over cooking meat make it tough and chewy | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/82sl79/eli5_might_be_a_repost_but_if_heat_denatures/ | {
"a_id": [
"dvclkun"
],
"score": [
3
],
"text": [
"Here's a question for you. Can you rip the shirt you're wearing off of you? If you're wearing a cotton t-shirt, the answer is probably yes. The reason is that the shearing force relative to the fibrous density is high. Now imagine taking that sam... | [] | [] | [
[]
] | ||
3d3liv | how to gaming companies miss big bugs and glitches even after test runs? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3d3liv/eli5_how_to_gaming_companies_miss_big_bugs_and/ | {
"a_id": [
"ct1h7pf",
"ct1hl7g",
"ct1hpov",
"ct1kyco"
],
"score": [
38,
2,
61,
3
],
"text": [
"Imagine a needle in a haystack that is 10 kilometers wide, and there are only 10 people designated to finding said needle. It would take them an insanely long time. They might fi... | [] | [] | [
[],
[],
[],
[]
] | ||
e5f066 | why is 45 degrees the optimal angle for a projectile in yearns of distance traveled? | I know this assumes it is under optimal conditions without air resistance, but still
I intuitively understand why this is the case, but I can’t explain the maths behind it in an easy/simple way way | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/e5f066/eli5_why_is_45_degrees_the_optimal_angle_for_a/ | {
"a_id": [
"f9jkqif",
"f9jsx17"
],
"score": [
5,
2
],
"text": [
"if you throw a rock horizontally, it won't be in the air long because of gravity.\n\nif you throw a rock vertically, it wont go far because you threw it vertically, but it will be in the air long.\n\nif you want to throw it ... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Range_of_a_projectile"
],
[]
] | |
7xe5uo | - why do u.s. title 1 schools always seem to remain poor despite receiving additional funding? | Edit: I guess what I mean is, it seems like Title 1 schools always need basic things. Like, needing more teachers, needing more resources, needing more supplies, needing building repairs etc but can never seem to "find" the money to make those things happen. A good example -- a few schools in my area have huge class ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7xe5uo/eli5_why_do_us_title_1_schools_always_seem_to/ | {
"a_id": [
"du7l32q",
"du7mb9n",
"du7scfw",
"du7tme1"
],
"score": [
16,
2,
2,
13
],
"text": [
"Because throwing money at a problem doesn’t fix the the problems when the underlying problems go beyond just needing funding. \n\nCultural issues\nHome life issues\nIncome issues... | [] | [] | [
[],
[],
[],
[
"https://www.chronicle.com//img/photos/biz/photo_76570_landscape_650x433.jpg",
"https://www.npr.org/2017/05/17/528822128/the-color-of-law-details-how-u-s-housing-policies-created-segregation",
"https://www.nytimes.com/2014/09/11/business/economy/a-simple-equation-more-education-more-... | |
43ux88 | why is belgium's suicide rate so high? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/43ux88/eli5_why_is_belgiums_suicide_rate_so_high/ | {
"a_id": [
"czl6mjr"
],
"score": [
6
],
"text": [
"Part of it could be the willingness to admit it IS suicide. Many countries report much lower suicide due to the religious and cultural stigma associated (this is even seen in some of the more conservative states of America). I'm sure there may be... | [] | [] | [
[]
] | ||
8fdsue | on a physiological level what’s happening to the brain/mouth when we misspeak/slur our speech? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8fdsue/eli5_on_a_physiological_level_whats_happening_to/ | {
"a_id": [
"dy2w66n",
"dy2yzsx"
],
"score": [
6,
8
],
"text": [
"You know how we all know how to walk? \n\nSometimes, we trip. We didn't stop knowing how to walk, but we tripped anyway. \n\nPretty sure it's like that. ",
"Yay I'm a speech language pathologist. It can be a lot of diff... | [] | [] | [
[],
[]
] | ||
bfb51u | what is an inner product? (linear algebra) | From what I keep reading it's a generalisation of the dot product, but what does this even mean? Why not just use the dot product between the vectors in the inner product?
[Here](_URL_0_) is how the lecture slides I'm studying from defines the inner product, but it doesn't really make sense to me.
Any help is apprec... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bfb51u/eli5_what_is_an_inner_product_linear_algebra/ | {
"a_id": [
"elcfpz0",
"elcfx77",
"elcvujf",
"elcyqll",
"eldcvbe"
],
"score": [
6,
3,
5,
2,
2
],
"text": [
"I'll try my best, but I've never successfully explained undergraduate abstract algebra to a five year old!\n\n[_URL_0_](_URL_0_) might be useful.\n\nYou're ri... | [] | [
"https://imgur.com/a/lAyK7PZ"
] | [
[
"http://mathworld.wolfram.com/InnerProduct.html"
],
[],
[],
[],
[]
] | |
1okic7 | why is congress and the president exempt from the aca? | This is not politically motivated; it's impossible to search for this online and find an answer that is not politically spun. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1okic7/eli5_why_is_congress_and_the_president_exempt/ | {
"a_id": [
"ccst90g",
"ccsw38t"
],
"score": [
7,
8
],
"text": [
"They aren't. That's a Republican talking point, but it's complete BS. Congress, unlike everyone else in the country, is *required by law* to buy into the new exchanges. \n\nThey're almost anti-exempt... ",
"They are not ... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Attending_Physician_of_the_United_States_Congress"
]
] | |
18lu44 | how come these past few years, the legalization for marijuana has been getting more attention? | Why is that? It seems like these past 5-7 years Marijuana has been getting more media attention. More governments are legalizing it. Why didn't this happen 15-25 years ago? Why all of a sudden? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/18lu44/how_come_these_past_few_years_the_legalization/ | {
"a_id": [
"c8g1rqb"
],
"score": [
8
],
"text": [
"Because popular opinion on marijuana has reached a tipping point, and public opinion on the War on Drugs is pretty close.\n\n----------------------------------------------------------------------------\n\nActual EL5 version:\n\nBilly at daycare i... | [] | [] | [
[]
] | |
5xm77q | why do we continue to make nuclear weapons, despite a seemingly global hatred for them? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5xm77q/eli5why_do_we_continue_to_make_nuclear_weapons/ | {
"a_id": [
"dej5sj7",
"dej5u31",
"dej5v2h",
"dejnusm"
],
"score": [
3,
2,
7,
2
],
"text": [
"Personally I'd sum it up to paranoia and human selfishness.\n\nCountry A won't disarm because Country B won't disarm, because Country A won't disarm. And then Country C looks at Co... | [] | [] | [
[],
[],
[],
[]
] | ||
7dlq6p | how is it possible to have unknown elements on the periodic table where the atomic number is known but not the actual element? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7dlq6p/eli5_how_is_it_possible_to_have_unknown_elements/ | {
"a_id": [
"dpyn3r5",
"dpyojl1",
"dpyxzpn"
],
"score": [
12,
2,
3
],
"text": [
"That's the entire point of the **periodic** table. It was developed because we recognized that the elements have these recurring properties that fit predictable patterns. This allowed us to put them in... | [] | [] | [
[],
[],
[]
] | ||
ev5hpu | asthma | I know it has to do something with the lungs, but how exactly does it work? And why do inhalers help? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ev5hpu/eli5_asthma/ | {
"a_id": [
"fftf2mm"
],
"score": [
14
],
"text": [
"Lungs say 'oh no there's something irritating me' so they inflame and produce mucous, mucous + inflammation mean it's hard to breathe because air can't get through.\nAsthma can be triggered by things like dust/mould/anything in the air, or somet... | [] | [] | [
[]
] | |
2eaci6 | why do we enjoy teasing the ones we love and making them angry? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2eaci6/eli5_why_do_we_enjoy_teasing_the_ones_we_love_and/ | {
"a_id": [
"cjxjq6q"
],
"score": [
7
],
"text": [
"The ability to reach a point where you can upset someone without really pissing them off is a sign of intimacy, just like any other kind of teasing. It's not perfect, but it shows that the person is comfortable with you doing those things to them... | [] | [] | [
[]
] | ||
o8ixo | assassin's creed storyline | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/o8ixo/eli5_assassins_creed_storyline/ | {
"a_id": [
"c3f8zcr"
],
"score": [
52
],
"text": [
"There were these futuristic aliens that colonized the Earth thousands of years ago and created humans in their image to serve as slaves. They used magic devices that would later be known as \"Pieces of Eden\" to control the slave-humans. Eventua... | [] | [] | [
[]
] | ||
6gcmla | why does a spanish language conversation sometimes have random english words thrown into the mix | A couple was speaking spanish at a glasses place yesterday, and part of their conversation had some English words in there at seemingly mid or end sentence. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6gcmla/eli5_why_does_a_spanish_language_conversation/ | {
"a_id": [
"dip86az",
"dip89we",
"dip8r8i",
"dip8wpo",
"dip9l2y",
"dip9uou",
"dipc1mw",
"dipgxn3"
],
"score": [
10,
25,
48,
12,
6,
10,
3,
4
],
"text": [
"My best guess is that, over the course of either learning Spanish or English, they disc... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[]
] | |
6qe9e3 | blue light is suddenly an issue, hurting our sleep, but generations before us watched tv before bedtime, bathed in so much blue light. what's the difference? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6qe9e3/eli5_blue_light_is_suddenly_an_issue_hurting_our/ | {
"a_id": [
"dkwl95d"
],
"score": [
7
],
"text": [
"The issue is we have much brighter technology and have actually studied the effects. Previous generations also had black and white televisions or much smaller screens to look at, plus no cell phones so the amount of blue light they viewed was gre... | [] | [] | [
[]
] | ||
avk7ua | is there a practical reason for a car's driver to be on the side rather than the middle? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/avk7ua/eli5_is_there_a_practical_reason_for_a_cars/ | {
"a_id": [
"ehfr373",
"ehfrn6d",
"ehfs1gs",
"ehg3hj6",
"ehg859c",
"ehg8bf4",
"ehg8iey",
"ehghlrv",
"ehgn95z",
"ehi27pc"
],
"score": [
87,
3,
50,
229,
3,
27,
6,
8,
5,
2
],
"text": [
"You can fit more people in the front row. A... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | ||
4fphit | why didn't the titanic crew simply turn around and go unload people on to the iceberg? | I'm, of course, assuming that hypothermia wouldn't set in nearly as quickly if you were dry on the frozen ice. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4fphit/eli5_why_didnt_the_titanic_crew_simply_turn/ | {
"a_id": [
"d2auk49",
"d2auq8v",
"d2auwo4"
],
"score": [
11,
3,
6
],
"text": [
"Being dry on the ice would indeed be better than being in the cold water in terms of hypothermia. It would be a much better situation to be in. \n\nBut the reality is there wasn't any good way of doing... | [] | [] | [
[],
[
"http://www.icebergwatereurope.com/wp-content/uploads/2013/02/iceberg2.jpg"
],
[
"https://en.wikipedia.org/wiki/Sinking_of_the_RMS_Titanic#/media/File:Titanic_iceberg.jpg"
]
] | |
697kin | why does the current century not line up with the calendar year? | For clarification: why do we live in the 21st century but the calendar year is 2000s, shouldn't we be in the 20th century? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/697kin/eli5_why_does_the_current_century_not_line_up/ | {
"a_id": [
"dh4dqb3",
"dh4e9bs"
],
"score": [
6,
27
],
"text": [
"The answer given by u/Phage0070 is good.\n\nI'll also add a comparison:\nWhen you are born, you begin the first year of your life. When you turn 1, you begin your 2nd year. When you turn 2, you begin your 3rd year, and so o... | [] | [] | [
[],
[]
] | |
6r2xqj | why do people like listening to aggressive music? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6r2xqj/eli5why_do_people_like_listening_to_aggressive/ | {
"a_id": [
"dl1wqai"
],
"score": [
2
],
"text": [
"This is more of an ask reddit question but it's because it pumps you full of energy, it's not for everyone but then again neither is classical soft piano music. "
]
} | [] | [] | [
[]
] | ||
6898ke | it hurts like hell to step on a pin. how did ancient humans walk barefoot through forests full of sharp twigs etc? | Just stood on a pin and it got me thinking that it must hurt like fuck to run through a forest with no shoes. How did ancient humans do it? Have our feet become softer over time as we use shoes? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6898ke/eli5_it_hurts_like_hell_to_step_on_a_pin_how_did/ | {
"a_id": [
"dgwnj14",
"dgwnjig",
"dgwnjug",
"dgwom8g",
"dgwpz6d"
],
"score": [
2,
5,
2,
22,
10
],
"text": [
"Walking barefoot makes your soles tougher so that twigs and the like aren't a huge consideration. Also, pins are entirely unnatural, jutting up at a 90° ang... | [] | [] | [
[],
[],
[],
[
"https://www.youtube.com/watch?v=AdfQgt1--H0"
],
[]
] | |
cozxa6 | you know that certain way you breathe to fog up glass? why doesn’t regular breathing fog up glass? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cozxa6/eli5_you_know_that_certain_way_you_breathe_to_fog/ | {
"a_id": [
"ewm9r2v",
"ewm9xf1"
],
"score": [
7,
6
],
"text": [
"When you go \"HAAAAAH\" with your mouth wide and blowing slowly the air picks up more moisture because it spends more time in your mouth and throat and then lays the moisture on the glass because it's moving slowly past the ... | [] | [] | [
[],
[]
] | ||
2ir9za | how if i have some software that requires a product key that you must pay for, that many people can use the same key? | title is kind of naff - sorry. What I mean is, people just put these codes up online, after its been redeemed once. How can people keep using it over and over? For example, a single product key for windows being used by thousands of people? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ir9za/eli5how_if_i_have_some_software_that_requires_a/ | {
"a_id": [
"cl4oy87"
],
"score": [
3
],
"text": [
"There are two ways that a product key can be validated. The first way is that the program \"phones home\" to check that the key is valid, and is tied to your account. This type of validation means that the same key can (usually) only be used on... | [] | [] | [
[]
] | |
4a9o4e | how can basic calculus be used in economics? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4a9o4e/eli5_how_can_basic_calculus_be_used_in_economics/ | {
"a_id": [
"d0yiogm"
],
"score": [
7
],
"text": [
"if you take the basic supply and demand graph, the area between the demand curve and the equilibrium price is the benefit to buyers, while the area between the supply curve and equilibrium price is the benefit to sellers. so if you do something l... | [] | [] | [
[]
] | ||
d2ul53 | how does your body know to grow skin where it doesn't normally have to? such as over the stump of a lost limb or the socket of a pulled tooth? | Had a tooth pulled recently, really curious how my body knows to grow skin over the empty socket when it doesn't normally have to grow skin there. It's not like your body tries to grow skin over your teeth. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/d2ul53/eli5_how_does_your_body_know_to_grow_skin_where/ | {
"a_id": [
"ezwydl8"
],
"score": [
9
],
"text": [
"Stumps of lost limbs are a result of closing wounds in such a way that the stump is covered by skin. The body doesn't actually generate new skin - see here for an example: _URL_0_\n\nI'll leave the tooth socket to someone else as I don't think I ... | [] | [] | [
[
"http://www.medicalexhibits.com/obrasky/2008/08082_01X.jpg"
]
] | |
w25r5 | eili5: how does an emp (electromagnetic pulse) bomb work? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/w25r5/eili5_how_does_an_emp_electromagnetic_pulse_bomb/ | {
"a_id": [
"c59kk3f"
],
"score": [
19
],
"text": [
"[Searched](_URL_1_)\n\nRelevant [discussion](_URL_0_)\n\nOriginal question by [nerdyshades](_URL_2_)\n\n > Why would a pulsing electro magnet fry electronics?\n\nTop comment courtesy [chunkyks](_URL_3_)\n\n > You know how you have a radio in you... | [] | [] | [
[
"http://www.reddit.com/r/explainlikeimfive/comments/v5zg5/how_an_emp_works/",
"http://www.reddit.com/r/explainlikeimfive/search?q=EMP&restrict_sr=on",
"http://www.reddit.com/user/nerdyshades",
"http://www.reddit.com/user/chunkyks"
]
] | ||
n8acb | why are some people tone deaf? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/n8acb/eli5_why_are_some_people_tone_deaf/ | {
"a_id": [
"c371dz5",
"c373u48",
"c371dz5",
"c373u48"
],
"score": [
9,
2,
9,
2
],
"text": [
"It is usually because of not being trained in music. When I say training, I don't mean being taught by maestro from Italy, but as in listening to music and being familiar with note... | [] | [] | [
[],
[],
[],
[]
] | ||
7x72jl | why do soda bottles "glug" when you empty them? | So if you're pouring out a typical soda bottle with a neck thinner than the body, it will make a "glug" sound and the bottle will shake, and it will seem like the liquid is coming out in waves. What causes this? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7x72jl/eli5_why_do_soda_bottles_glug_when_you_empty_them/ | {
"a_id": [
"du60rx9",
"du61hv5",
"du61lzj"
],
"score": [
7,
7,
3
],
"text": [
"The need for air to fill the space recently emptied inside your bottle. It rushes past your mouth and into the bottle creating those waves, and the glugging. \n\nThink of it this way, if the liquid is l... | [] | [] | [
[],
[
"https://www.reddit.com/r/explainlikeimfive/comments/3o0h34/eli5_when_liquid_is_poured_from_certain_bottles/",
"https://www.reddit.com/r/explainlikeimfive/comments/4rs5pc/eli5_why_does_liquid_pulse_out_of_a_bottle_when/",
"https://www.reddit.com/r/explainlikeimfive/comments/5v2m7f/eli5_why_does_... | |
2258em | network topology | I'm trying to wrap my head around how topologies are actually classified and how they function with the Internet. I know about star, bus, ring, etc as far as physical topologies work, and about hybrid topologies, but I'm unclear as to how these work for connections over the Internet vs local connections.
As an example... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2258em/eli5_network_topology/ | {
"a_id": [
"cgjk9m3"
],
"score": [
2
],
"text": [
"First, pick which layer of the OSI model you are referring to. After that, you can analyze it. \n\nSo a local office may have a layer 2 star topology, but at layer 3 (which is generally what we are concerned with when we talk about connecting two... | [] | [] | [
[]
] |
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