q_id stringlengths 5 6 | title stringlengths 3 296 | selftext stringlengths 0 34k | document stringclasses 1
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2kbe92 | how can infinity be used in mathematical equations? | I did a quick search for ELI5 questions on infinity and didn't find exactly what I was looking for.
I understand that infinity is "important to physics", and frequently used in a lot of advanced mathematics, but I can't wrap my head around that. For instance, when a calculator uses **π** in a calculation, it obviousl... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2kbe92/eli5_how_can_infinity_be_used_in_mathematical/ | {
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"When we write something like 1/∞, we're doing something called *abuse of notation*. It's more proper to say something like the limit of 1/x as x goes to ∞.\n\nThat being said, ∞ ... | [] | [] | [
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9mpg4n | how does water heater from showers instantly heat water? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9mpg4n/eli5_how_does_water_heater_from_showers_instantly/ | {
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"They don't, they're always on and have a reserve tank of preheated water that stays ready to go. That's why it's possible to use all the hot water. ",
"The water heater is a bi... | [] | [] | [
[],
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5gqeq2 | how do remotes not accidentally activate functions on other devices they're aimed at. | Between all my remotes there must be hundreds of buttons but every button only does what it's supposed to do on the device it's meant for. How is there no overlap in remote buttons? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5gqeq2/eli5_how_do_remotes_not_accidentally_activate/ | {
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"text": [
"For Infrared Remote Controls:\n\nThe RC5 standard specifies a 5 bit address before the command is send.\n\nThe NEC standard specifies a 16 bit address before the command is send.\n\nSo by giving the different appliances different addresses, the r... | [] | [] | [
[
"http://www.vishay.com/docs/80071/dataform.pdf"
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cqf36f | how do i interpret the mri brain scan images: are they the image of what my brain looks like? | Why does the shape change when the volume of the brain is constant? If the brain has fixed "ridges" in it, why does the position of those ridges in an MRI scan image sequence change in position? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cqf36f/eli5_how_do_i_interpret_the_mri_brain_scan_images/ | {
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"I’m not sure what you’re referring to. The ridges (called gyri) don’t move. An MRI takes pictures in cross section slices. And there are different processing techniques that cause the dark and light areas to mean different things depending on wha... | [] | [] | [
[]
] | |
5lf8ga | why is norton hated so much? what makes an antivirus/antimalware program good or bad anyway? | Follow up questions: Given it's so notoriously bad for some reason, how come sales reps at electronics stores push it so hard?
And also, what's the best antimalware software?
Edit: Oops, sorry, I just found a previous question about Norton. I *did* search for it so tbh I'm not sure what's going on there. Consider the... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5lf8ga/eli5_why_is_norton_hated_so_much_what_makes_an/ | {
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"d... | [] | [] | [
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"https://dns.norton.com/configureRouter.html",
"maliciousfuckersinc.com.cn"
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"http://www.pcmag.com/article2/0,2817,2372364,00.asp"
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"http://fortune.com/2016/06/29/... | |
597cqa | why isn't it light out when it's night time? with all the trillions of stars blanketing the night sky, where does all that light hitting earth go? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/597cqa/eli5_why_isnt_it_light_out_when_its_night_time/ | {
"a_id": [
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"text": [
"There are large dust clouds within the milky way galaxy which block light from many of the stars. Apart from that, though there are many stars, they are also very far away.\n\nIt used to be considered a paradox that, if there were an infinite nu... | [] | [] | [
[]
] | ||
3r149w | why is the opposite of the microwave oven so hard, why can't we freeze stuff in minutes? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3r149w/eli5_why_is_the_opposite_of_the_microwave_oven_so/ | {
"a_id": [
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"text": [
"Heat is easy. Heat is real. You can move heat, you can transfer heat, you can even create heat. You can't move cold. You can't transfer cold and you can't create cold without moving out all the heat. You can transfer heat out of something pretty ... | [] | [] | [
[]
] | ||
7dekcm | why do we feel exhausted after thinking all day? | As a kid I always felt exhausted when I would get home from school, even though I hadn't expended a significant amount of physical energy through exercise. I mean PE and recess, but that's not exactly rigorous activity.
Even now as an adult, I feel that way after work. I work in an office. I use my brain all day but ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7dekcm/eli5why_do_we_feel_exhausted_after_thinking_all/ | {
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"The brain burns through up to 1/5 of all the bodies energy needs.\n\nBurning energy at that rate is hard work, and thus the body needs rest afterwards.",
"The brain's primary source of energy is glucose, and the brain is... | [] | [] | [
[],
[]
] | |
7voqtk | do babies die from sudden pulmonary or cardiac arrest in death from sids? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7voqtk/eli5_do_babies_die_from_sudden_pulmonary_or/ | {
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"In 2013 I lost my son to “SIDS”\n\nHe was almost 3 months old, but had been born a month early. \n\nHis sitter had placed him to sleep on his stomach, whe... | [] | [] | [
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4tvi00 | how is depositing a check safe via a picture from your phone safe? | I just deposited a check from my phone and was thinking about how it doesn't seem so secure and easy to manipulate. Also how does depositing a check from a phone work? What information is the computer looking for? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4tvi00/eli5how_is_depositing_a_check_safe_via_a_picture/ | {
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"text": [
"Honestly, if you deposit a paper check nowadays it gets processed electronically anyway. \n\nPlus, people have been able to manipulate paper checks for ages. It's not uncommon for someone to leave enough space for someone to... | [] | [] | [
[],
[]
] | |
9wjeyi | why hasn’t albinism been weeded out of the gene pool? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9wjeyi/eli5_why_hasnt_albinism_been_weeded_out_of_the/ | {
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"text": [
"The siblings of an albino will carry the recessive gene, and so can pass it on, even if it's not active for them. In this way even if there is selection pressure against albinos individually, its very difficult to select against the gene since it... | [] | [] | [
[]
] | ||
18pp56 | why does every other church (and some old banks) put "first" in front of their name? | As a kid I always conflated it with the practice of every movie calling itself "The #1 [genre] film of the year," but something tells me this isn't an advertising ploy. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/18pp56/eli5_why_does_every_other_church_and_some_old/ | {
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"Apparently the [Fourth Church of Christ, Scientist](_URL_0_) ab... | [] | [] | [
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"https://www.google.com/maps?q=&layer=c&z=17&iwloc=A&sll=29.530607,-98.506072&cid=16612720712643273619&cbp=13,11.6,-0.2,0,0&panoid=KQTgXX4-uH69IicAeiIfpA&q=fourth+church+scientist+san+antonio&sa=X&ei=l1whUa-9MsTW2gXnyICoAQ&ved=0CP8BEKcf"
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7wt679 | what is the suns 11 years cycle and how does it work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7wt679/eli5_what_is_the_suns_11_years_cycle_and_how_does/ | {
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"The 11 year cycle is something scientists noticed quite some time ago. It started it by noticing sun spot activity. Sun spots would follow an 11 year cycle. For 5.5 years sunspot... | [] | [] | [
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81cw59 | why does there seem to be a greater variation of height in women and it doesn't affect their attractiveness as much as men? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/81cw59/eli5_why_does_there_seem_to_be_a_greater/ | {
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"Height, by societal and evolutionary standards, is related to one’s masculinity. This makes taller men more appealing to women. Femininity, on the other hand, is not greatly affected by one’s height. I’m not saying that this is the way we SHOULD ... | [] | [] | [
[]
] | ||
11hay6 | grammar (specifically, its vs. it's and why they are exemptions to the possessive apostrophe). | I am trying to explain to my nephew WHY "its" and "it's" are exemptions to the rules about possessive apostrophes, but all I'm doing is confusing him. He's already resistant to learning the proper rules and regularly tells me he "doesn't care," so I need a new approach.
Thanks in advance! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/11hay6/eli5_grammar_specifically_its_vs_its_and_why_they/ | {
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"This might help:\n\n_URL_1_\n\nAnd there's a whole web page of these:\n\n_URL_0_",
"*it's* = *it is* follows the standard rule perfectly: a letter is omitted, so we use an apostrophe. If I abbreviate \"The book is lying ... | [] | [] | [
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2c25gn | when there are multiple people talking around me or there is a lot of noise around me, how am i able to choose what i'm hearing and comprehending? does it work like a camera focusing on the image in the foreground then refocusing on an image in the background? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2c25gn/eli5_when_there_are_multiple_people_talking/ | {
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"The human auditory system has evolved to hear human voices better than anything else. We a... | [] | [] | [
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"http://en.wikipedia.org/wiki/Cocktail_party_effect"
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10ko1h | why does the usa write the date as month-day-year as in 12-22-12. it seems counter-intuitive to me. it makes so much more sense to write it day-month-year as in 22-12-12. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/10ko1h/eli5_why_does_the_usa_write_the_date_as/ | {
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"text": [
"Why does it make more sense to write it as day-month-year to you?\n\nI am a Canadian and I would say it out loud as December 22nd, 2012. So 12/22/2012 makes ... | [] | [] | [
[],
[],
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"http://en.wikipedia.org/wiki/Date_format_by_country"
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1z6kpm | why is assuming that black people like fried chicken and watermelon considered racist? i don't know anyone, regardless or race, that doesn't like fried chicken and watermelon. it's a delicious summertime meal. [notbeingaracist] | I can see how it would be racist to assume that it's every black person's favorite meal or that's the only food they eat, but I don't understand why simply the assumption that a black person might like that food is perceived to be racist.
I'm sure plenty of people are going to call me a racist just for asking and downv... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1z6kpm/eli5why_is_assuming_that_black_people_like_fried/ | {
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"text": [
"Can confirm: fried chicken and watermelon are delicious.",
"If you look at the area where most African Americans were located when slavery was still a thing, it was the south. What's happens to be a... | [] | [] | [
[],
[],
[]
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1ivi9o | why does "fresh" outdoor air appear to wake you up? | For example, when inside an office building and opening a window to let outside air in can awaken you and make you more alert. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ivi9o/eli5why_does_fresh_outdoor_air_appear_to_wake_you/ | {
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"text": [
"Probably because your office building has crappy ventilation and the outside air has more oxygen compared to the stale inside air that everyone around you is breathing.",
"It's because of sensory adaptation. If we're hon... | [] | [] | [
[],
[]
] | |
43r8cs | what does the game engine do for a programmer | and why do I care unreal vs Unity etc... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/43r8cs/eli5what_does_the_game_engine_do_for_a_programmer/ | {
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"For programmers specific: the engine gives you a set of tools to deal with the hard stuff like animation, rendering, physics and resource management (and much else) more easily. It... | [] | [] | [
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42i154 | why does fire go away from gravity's pull? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/42i154/eli5_why_does_fire_go_away_from_gravitys_pull/ | {
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"text": [
"Because the hot air is less dense then the surrounding air. So the more dense air wants to be 'lower' and flows in from the sides, 'pushing' the hot air up.",
"Hot air is lighter than cold air. So really, it's the cold a... | [] | [] | [
[],
[]
] | ||
4nb370 | why haven't e-cigs become more popular than traditional cigarettes? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4nb370/eli5_why_havent_ecigs_become_more_popular_than/ | {
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"text": [
"There are more people in my town and work who use those than cigarettes. At least in the early 30s age.",
"Because they are made by Skynet to prepare us for the next step: sucking robot dicks.\n\nSe... | [] | [] | [
[],
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[]
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54sd6d | why are phone battery % ratings so wildly inaccurate? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/54sd6d/eli5_why_are_phone_battery_ratings_so_wildly/ | {
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"score": [
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"text": [
"Weird, mine has a linear and predictable progression. 100% - > 99%, then 99% - > 98%, all the way to 0%. Then it dies!",
"Might need to provide a bit more detail. Is you phone living on 0% for 2 h... | [] | [] | [
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379tb9 | how can a candy company (jelly belly) create flavors that taste like baby wipes, skunk smell, grass, etc., yet the major soda companies cannot create a diet soda that tastes exactly like the original? | Ok, I will say that Diet Dr. Pepper is very close.
Good lord! Did not expect to hit the front page. And now I understand when people say their inbox blew up! Thank you for all the explanations, though. Now someone can do a TIL ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/379tb9/eli5_how_can_a_candy_company_jelly_belly_create/ | {
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4gl1hd | why does tea or other sugary drinks taste bland after eating ice cream? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4gl1hd/eli5why_does_tea_or_other_sugary_drinks_taste/ | {
"a_id": [
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"text": [
"Sensory adaptation. It's the same reason a hallway that looks dimly lit after being outside in the sun looks blindingly bright after being holed up in your room in the dark. It's why the creaking of your house might be so loud at night when you... | [] | [] | [
[]
] | ||
63b9yo | i just read on wikipedia that eunuchs (a person in older societies who were castrated in order to be made to serve a specific function) who were castrated at young ages would end up with hormonal consequences. what would these consequences include? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/63b9yo/eli5i_just_read_on_wikipedia_that_eunuchs_a/ | {
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"text": [
"Mostly lack of sexual attraction to the spouse or harem of the person he served. They were often put in charge of harems (or mistresses) of royalty or the elite .",
"Normal puberty never happens, s... | [] | [] | [
[],
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4ehhxv | why is pear in most juices or fruit snacks. | Looking at my Minute Maid "Cranberry Apple Raspberry" juice, and noticed that it said it's "A 25% juice blend of Pear, Cranberry, Apple and Raspberry Juices". This got me thinking on how I've noticed that pear has a habit of showing up in many different fruit-based things. Rather it is a juice or fruit snack. Why is th... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4ehhxv/eli5_why_is_pear_in_most_juices_or_fruit_snacks/ | {
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"text": [
"It's sweet but doesn't have a very strong flavour of its own, so it's essentially being used as a natural sweetening agent",
"They are probably using pear as a natural sweetener. Cranberries, raspberries, and even many ... | [] | [] | [
[],
[]
] | |
2fs6dt | why is that i can know how to do something but i can't teach/explain how to do it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2fs6dt/eli5why_is_that_i_can_know_how_to_do_something/ | {
"a_id": [
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"text": [
"Albert Einstein said, \"If you can't explain it simply, you don't know it well enough.\"\n\nAlthough explaining things is also a skill that needs developing. You should start practicing explanations. Th... | [] | [] | [
[],
[],
[]
] | ||
d6xac4 | why do computers never show the correct file transfer time and keeps on changing? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/d6xac4/eli5_why_do_computers_never_show_the_correct_file/ | {
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"So when a computer shows you the time remaining in a file transfer, it's the result of calculations done by the computer to forecast how long the file transfer would take if *the transfer speed at the ... | [] | [] | [
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14reax | how do plants grow? (where does their mass come from) | I started a couple hydroponic tomato plants from seed, and watching them grow has left me with a question:
Where do plants get their mass from?
With plants grown in soil it just kind of seemed obvious, that they are taking things from the soil. But with this hydroponic setup the only thing they are being fed is wate... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/14reax/eli5_how_do_plants_grow_where_does_their_mass/ | {
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"text": [
"Plants, like all life on earth, are carbon based. You're correct that they receive water, sunlight, and liquid nutrients, but you're forgetting that they also breathe. Plants filter Carbon Dioxide from the air, release the... | [] | [] | [
[],
[]
] | |
5vly5l | why would a government want to invest in coal powered power plants as opposed to wind/solar? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5vly5l/eli5_why_would_a_government_want_to_invest_in/ | {
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"It shouldn't. There is no economic reason to be investing in coal a... | [] | [] | [
[],
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"http://www.nbcnews.com/science/environment/streamers-birds-fried-midair-solar-plant-feds-say-n183336"
],
[],
[],
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"http://money.cnn.com/2017/02/14/investing/toshiba-nuclear-business-loss/index.html"
]
] | ||
9rs904 | why do triangles help to strengthen structures? | Or an arch with triangles, for that matter. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9rs904/eli5_why_do_triangles_help_to_strengthen/ | {
"a_id": [
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"score": [
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"text": [
"Imagine holding a long stick from the middle. Not that hard. Now imagine holding it from the very end. Now it's quite hard.\n\nTriangles are a way around this issue for structures. They take the for... | [] | [] | [
[],
[],
[]
] | |
34tlen | why is there a director's cut for some videos and movies? | Arent't all movies and videos technically "director's cuts"? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/34tlen/eli5_why_is_there_a_directors_cut_for_some_videos/ | {
"a_id": [
"cqxx52w",
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],
"score": [
3,
2
],
"text": [
"Not necessarily. The director films the movie he wants to make (artistically) and then the producers come in and edit it to make it ideal for movies (usually removing scenes to improve runtime to remove controversial materia... | [] | [] | [
[],
[]
] | |
6dvqjf | what's happening to egg whites when they whip from running to fluffy? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6dvqjf/eli5_whats_happening_to_egg_whites_when_they_whip/ | {
"a_id": [
"di5qg8n",
"di5sxlu"
],
"score": [
5,
3
],
"text": [
"Think of whipping up a sink of soapy water. The foam forms because of bubbles of air being trapped by the enhanced surface tension. Egg Whites are just like that but their surface tension is even higher allowing even smaller... | [] | [] | [
[],
[]
] | ||
6uwvhq | when agitated, if someone asks you to calm down, why does the immediate response most often tend to be: 'i am calm, stop telling me to calm down' and then get further agitated? | Thanks for the answers! Much clearer now. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6uwvhq/eli5_when_agitated_if_someone_asks_you_to_calm/ | {
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"text": [
"Someone telling you to calm down in many cases seems to imply that the concerned party is only upset because they are agitated, not because their complaints ... | [] | [] | [
[],
[],
[],
[],
[]
] | |
5zwb4r | why was nazi germany so fixated on heavily armoured tanks rather than improving their anti-tank shells and technology to combat the soviet kv tanks? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5zwb4r/eli5why_was_nazi_germany_so_fixated_on_heavily/ | {
"a_id": [
"df1m6u5",
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"score": [
43,
3
],
"text": [
"You phrase your question as if it were only just one or the other, when the reality was both options were pursued.\n\nBut what does 'improving anti-tank shells' mean exactly? Well, there were two main types of anti-tank she... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/7.5_cm_Pak_41"
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3e151d | how can the average man have more sexual partners than the average woman? | I saw a tiny clip on last week tonight reporting a large difference in the number of sexual partners in men and women. Looking into it further, I saw many reports that men, on average, have more opposite sex sexual partners than women. I'm confused because it seems that every time "team men" gains one more sexual partn... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3e151d/eli5_how_can_the_average_man_have_more_sexual/ | {
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"score": [
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13,
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4,
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2,
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"text": [
"This is likely for the same reason some men ... | [] | [] | [
[],
[],
[],
[],
[],
[
"https://www.youtube.com/watch?v=H2vN2QXZGnc"
],
[],
[],
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[]
] | |
2fdhva | why do we only see light from its source or from its reflection. | So yesterday my 6 year old son asked me why we don't see a room full of light. But only the reflection from the light source or the light source its self. I told him I didn't have a good answer for him but I would try and find out. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2fdhva/eli5why_do_we_only_see_light_from_its_source_or/ | {
"a_id": [
"ck86a08"
],
"score": [
3
],
"text": [
"You see by photons striking your retina. Basically the actual 'particles' of light hit a part of your body that is designed to be altered by their energy. Those alterations then send signals to your brain which it interprets as 'vision.'\n\nIf th... | [] | [] | [
[]
] | |
ayerrl | how a foldable phone screen is physically possible | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ayerrl/eli5_how_a_foldable_phone_screen_is_physically/ | {
"a_id": [
"ei07n0h",
"ei07xft"
],
"score": [
5,
7
],
"text": [
"Imagine medieval armor. Imagine the difference between plate and chainmail. Plate of course being very hard and rigid, offering protection(screen). Chainmail, still offering protection(screen), but using many many links to m... | [] | [] | [
[],
[
"https://appleinsider.com/articles/19/03/05/apple-supplier-corning-working-on-foldable-glass-for-future-phones"
]
] | ||
2160ds | why is radiation detrimental to your health? why are areas where there has been a nuclear disaster (like chernobyl) still hazardous if they are not emitting radiation (or if they are explain that too). | Thanks! Now I know about our bodies being molecular Jenga sets. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2160ds/eli5_why_is_radiation_detrimental_to_your_health/ | {
"a_id": [
"cg9xpu2",
"cg9ztb4"
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"score": [
2,
2
],
"text": [
"I assume you mean nuclear radiation, or fallout. Some radiation (light, radio waves) is almost harmless to you.\n\nRadiation is essentially different subatomic particles flying around. When you're in a highly radioactive are... | [] | [] | [
[],
[]
] | |
lw83j | what an unincorporated community is. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/lw83j/eli5_what_an_unincorporated_community_is/ | {
"a_id": [
"c2w2tb6",
"c2w2tb6"
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"score": [
7,
7
],
"text": [
"I'll try this one.\n\nAn unincorporated community is land that is within a county, but not within a city. Because you still need to list a city in the address, they use the nearest city as a reference without actually being ... | [] | [] | [
[
"http://i.imgur.com/TORBO.jpg"
],
[
"http://i.imgur.com/TORBO.jpg"
]
] | ||
3mvyvj | how did russian oligarchs amass their huge fortunes from the privatisation of russian industires? and how legal/ illegal were their resulting actions? | Are there any other examples throughout history that you can draw parallels to this specific case that would help my understanding?
(First reddit post so not sure if its done well or not!) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3mvyvj/eli5_how_did_russian_oligarchs_amass_their_huge/ | {
"a_id": [
"cvisdij"
],
"score": [
2
],
"text": [
"Watch Vory v zakone. A documentary about how they amassed such a wealth. \n\nIt's basically because they were first to really wealthy by illegal means. After the WW2 Stalin killed off majority of the inteligencia in Russia by literal witch trials... | [] | [] | [
[]
] | |
7g8aik | why does our body only release antibodies into our bloodstream after being infected? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7g8aik/eli5_why_does_our_body_only_release_antibodies/ | {
"a_id": [
"dqh8vds"
],
"score": [
11
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"text": [
"You do have low levels of most of the antibodies you are capable of producing at all times, and this helps with immunity. It is true that when a remembered pathogen is recognized, antibody production for it specifically kicks into super high gea... | [] | [] | [
[]
] | ||
3buad5 | what is a fief and why is it central to feudalism? | I'm reading Frank Herbert's DUNE and came across the phrase and can't quite wrap my head around it. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3buad5/eli5_what_is_a_fief_and_why_is_it_central_to/ | {
"a_id": [
"cspktb8",
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"score": [
4,
6
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"text": [
"Basically in feudalism the monarch holds all the lands. So he gives the rights for the lands to a vassal, the vassal can collect the taxes and basically owns the land and the serfs living there, in exchange for some of his t... | [] | [] | [
[],
[]
] | |
afvfu8 | if under-/un-cooked meat is so potentially dangerous, why are tartare and carpaccio so widely consumed, presumably safely? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/afvfu8/eli5_if_underuncooked_meat_is_so_potentially/ | {
"a_id": [
"ee1l9vs",
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"score": [
11,
2,
4
],
"text": [
"Cooking a meal is one of the best way to sterilize it so that it is safe to eat. However sterilization is only needed to correct issues with storage and processing. Most live creatures is safe to eat r... | [] | [] | [
[],
[],
[]
] | ||
4opo7k | inbreeding vs line breeding: how do you get enough of the same kinda dog to start a new breed? | I've read some google hits on this and still trying to understand. My wife and I got this incr double mut that I wish we could turn into a new breed. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4opo7k/eli5_inbreeding_vs_line_breeding_how_do_you_get/ | {
"a_id": [
"d4ek9f5",
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"score": [
7,
8
],
"text": [
"You don't, most pure bread dogs have genetic diseases like hip dysplasia. We have entrusted the genetic legacy of mans best friend to people like the AKC who judge pretty much on appearance alone for 5 minuits in a ring rath... | [] | [] | [
[],
[]
] | |
4mendp | how does a hydraulic press work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4mendp/eli5how_does_a_hydraulic_press_work/ | {
"a_id": [
"d3v2zmg"
],
"score": [
8
],
"text": [
"Peeps be down voting. \n\nRighto, here's as simple as it gets: there is a cylinder with a piston inside and a rod attached to the piston. Hydraulic fluid is pumped into one side of the cylinder where it pushes against one side of the piston. The ... | [] | [] | [
[]
] | ||
5gxanm | why can a person doing an illegal action (burglary, trespassing) sue the property or owner? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5gxanm/eli5_why_can_a_person_doing_an_illegal_action/ | {
"a_id": [
"davs4op",
"davscmb"
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"score": [
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8
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"text": [
"You can sue anybody for anything. Whether or not a judge will hear it because it's ridiculous, is a different story.",
"Often these cases are thrown out almost immediately.\n\nThey are not thrown out, however, if there i... | [] | [] | [
[],
[]
] | ||
3m80im | why are some youtube videos blocked with the message "the uploader has made this video unavailable in your country"? how does it benefit the uploader to make their video less accessible? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3m80im/eli5_why_are_some_youtube_videos_blocked_with_the/ | {
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3buhz6 | at what time and why did we stop using honorary epithet? | If you look back at famous people from the past, they all carry titles like "the Great", "the Magnificent", "the Horrible", "the Fat", "the Bald", "the Lionheart" etc.
Wouldn't it be cool if we could bring that back and have certain people use those titles if we don't think of it as overly narcisisstic but based on wh... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3buhz6/eli5_at_what_time_and_why_did_we_stop_using/ | {
"a_id": [
"cspmo5m",
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"score": [
3,
8
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"text": [
"Try /r/History\n\n\nBut I would guess it ended when democratic/republic nations came around, and titles and nobility fell in to disuse. They're still used in some positions, but they're traditional titles, like \"Judge Tarpa... | [] | [] | [
[],
[]
] | |
zbi2n | how is 5.1 surround sound recorded? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/zbi2n/eli5_how_is_51_surround_sound_recorded/ | {
"a_id": [
"c637jx5"
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"score": [
5
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"text": [
"Sometimes they use a microphone rig that has a bunch of microphones pointing in different directions, or just set up at different points around a stage or set, but I don't think this is very common.\n\nUsually, the sound for a movie is recorded a... | [] | [] | [
[]
] | ||
dcdk40 | how does a watermelon soak all the alcohol? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dcdk40/eli5_how_does_a_watermelon_soak_all_the_alcohol/ | {
"a_id": [
"f27jfzi"
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"score": [
26
],
"text": [
"If you pour 100 millilitres of alcohol i to 100 millilitres of water its volume is less than 200 millilitres of water because the alcohol fits snugly in between the water, just like flour could fit in between corn in a bowl. I light have this mi... | [] | [] | [
[]
] | ||
9cid94 | why did the universe stop at 3 dimensions? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9cid94/eli5_why_did_the_universe_stop_at_3_dimensions/ | {
"a_id": [
"e5aybgn"
],
"score": [
2
],
"text": [
"It didn't, humans just don't have the ability to sense more than 3 dimensions. Also, there are things past acceleration. After that is jerk. "
]
} | [] | [] | [
[]
] | ||
3dmndx | question about scaling an image to print | I need to scale an image to print exactly what I'd see on a larger screen. For example, my computer screen is 19" and I need that same image I'm seeing on my screen to print to fit a screen that would be 65" to scale. I know this might sound confusing, but if anyone understands what I'm talking about and can help me, t... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3dmndx/eli5_question_about_scaling_an_image_to_print/ | {
"a_id": [
"ct6l8po"
],
"score": [
2
],
"text": [
" > E is for explain.\nThis is for concepts you'd like to understand better; **not for simple one word answers, walkthroughs, or personal problems.**"
]
} | [] | [] | [
[]
] | |
2b33zb | if "buzzed driving is drunk driving," then why is the federal legal limit for operating a vehicle 8% bac? | Why do we have a legal limit if the current police policy is to pull over anyone that has even had a single drink?
Doesn't this defeat the purpose of having a limit?
Why not just change the laws so that absolutely no one can legally drive after drinking any amount, and set the BAC level to less than naturally occur... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2b33zb/eli5_if_buzzed_driving_is_drunk_driving_then_why/ | {
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2,
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4
],
"text": [
"I've seen these ads, and I never took them to mean that you could get a DUI if you're under the legal limit. I'm pretty sure what it means is more along the l... | [] | [] | [
[],
[],
[],
[],
[]
] | |
7zzebd | what is the point of groomsmen and bridesmaids at a wedding? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7zzebd/eli5_what_is_the_point_of_groomsmen_and/ | {
"a_id": [
"durtwrs",
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"score": [
5,
8,
3
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"text": [
"Historically, the groomsmen were a bodyguard who defended the bride and groom and provided an escort for them. Or so I have heard.",
"Practically, it's for moral support. On the big day the bridesma... | [] | [] | [
[],
[],
[]
] | ||
1paqo6 | why can i see the stars in the sky better in the winter compared to the summer? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1paqo6/eli5_why_can_i_see_the_stars_in_the_sky_better_in/ | {
"a_id": [
"cd0h107"
],
"score": [
6
],
"text": [
"Warmer air is able to hold more moisture than colder air. Moist air appears hazier than dry air. Therefore, in cold, dry weather, you can see stars more clearly than you can in warm weather."
]
} | [] | [] | [
[]
] | ||
2t2l6a | why can i buy a $4 coffee almost everyday without thinking twice but it is a huge deal to pay $0.99 for an app? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2t2l6a/eli5_why_can_i_buy_a_4_coffee_almost_everyday/ | {
"a_id": [
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"score": [
8,
3,
5,
2,
5,
2,
3,
3
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"text": [
"You know you are going to enjoy that coffee, even if you are going to enjoy only once. Part ... | [] | [] | [
[],
[],
[],
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[],
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[]
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2fp4nx | why when i'm watching t.v. does conversation sound so quiet but everything out sounds loud? | Im watching a war movie and all the conversation that I want to hear is quiet as shit so I turn it up louder to hear, then when the gun shots start going off my whole family gets woken up thinking we're being ambushed. Why cant someone figure this shit out ? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2fp4nx/eli5_why_when_im_watching_tv_does_conversation/ | {
"a_id": [
"ckbdnm6",
"ckbdw58"
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"score": [
3,
2
],
"text": [
"If you are using standard television speakers and the movie is in stereo (like 5.1), some systems or players treat those speakers like midrange. The voices come out of the center channels/speakers on a 5 speaker system, so t... | [] | [] | [
[],
[]
] | |
1sh7hu | whats actually happening inside my hard drive when im moving files to different locations? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1sh7hu/eli5_whats_actually_happening_inside_my_hard/ | {
"a_id": [
"cdxjjad"
],
"score": [
2
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"text": [
"If it's on the same physical harddrive:\n\nThere is a portion of the harddrive which stores information like \"The File at C:\\test\\myfile.txt is stored at memory location 1235967335\". When you cut/paste, or drag drop it, that portion of your ... | [] | [] | [
[]
] | ||
fng7bg | how does bailing out massive industries with millions or even trillions of dollars compared to the general population help improve the economy? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fng7bg/eli5_how_does_bailing_out_massive_industries_with/ | {
"a_id": [
"fl9di68",
"fl9eeag"
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"score": [
29,
12
],
"text": [
"If some big industry goes bust it often has huge knock on effects.\n\nFor example if airlines go bust this will make it harder for hotels, if they go bust it makes it harder for restaurants and shops that rely on tourism.\... | [] | [] | [
[],
[]
] | ||
5ps3w8 | is there a political advantage to proposing new infrastructure projects in the united states? why have we see a decline in infrastructure in the us? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ps3w8/eli5_is_there_a_political_advantage_to_proposing/ | {
"a_id": [
"dctd702"
],
"score": [
2
],
"text": [
" > I though improved infrastructure would be a bipartisan initiative. I don't see the down side to political action on this issue\n\nInfrastructure costs money. If the government is already running in the red and wants to obtain even more money ... | [] | [] | [
[]
] | ||
84rzq9 | why does a 20000mah external battery charge a 3500mah phone 5 times over, but is unable to charge a 4640mah laptop once? | Are mAh not a reliable quantitative measurement, like liters? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/84rzq9/eli5_why_does_a_20000mah_external_battery_charge/ | {
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"score": [
2,
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20,
3
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"text": [
"A power bank isn't 100 per cent efficient and a laptop uses much more power, even when in idle",
"The mAh rating of a lithium battery is not *really* a flat, constant value, i... | [] | [] | [
[],
[],
[],
[]
] | |
14w32u | how do physicists test whether or not we are living in a computer simulation? | [One article](_URL_0_) of many on the subject
EDIT: The article is misleading. As Maqda7 pointed out, someone asked this question yesterday but used Arxiv as a source instead of Yahoo. They are testing whether or not it is *possible* to simulate a universe, which in turn will allow or deny for the possibility that our... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/14w32u/eli5_how_do_physicists_test_whether_or_not_we_are/ | {
"a_id": [
"c7gzlh8"
],
"score": [
3
],
"text": [
"Physicist 1: Why would anyone make such a pointless simulation?\n\nPhysicist 2: That's a good point.\n\nJournal: It's not."
]
} | [] | [
"http://news.yahoo.com/blogs/sideshow/whoa-physicists-testing-see-universe-computer-simulation-224525825.html"
] | [
[]
] | |
d5d1lu | why is the solar system always illustrated co-planar and all. like since the sun is spherical isn't it logical that some planets might revolve sun in plane perpendicular to what earth revolves? why is the northen hemisphere always represented on top? there is no top and bottom in the space. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/d5d1lu/eli5_why_is_the_solar_system_always_illustrated/ | {
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"score": [
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"text": [
"The northern hemisphere is almost always put on top because that's how mapmakers have done things for centuries. If everybody's maps are rotated all willy-nilly it's going to cause some confusion. Now, ... | [] | [] | [
[],
[],
[]
] | ||
a965s6 | why can’t power plants take the byproducts of coal production be put back into the mines? | Me and my dad we’re discussing what people could do with the ash from coal burning for power production. He asked why they couldn’t just put the ash back into the mines that the coal came out of in order to avoid adding more pollutants to the atmosphere. IDK if this is the right place for this question but it’s worth a... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a965s6/eli5_why_cant_power_plants_take_the_byproducts_of/ | {
"a_id": [
"ecgsf21",
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"score": [
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],
"text": [
"Ash is not really an issue from coal power plants. It is used for fertilizers, and other industrial things and does not really get into the air. The air pollutants are the gaseous byproducts like CO, CO2, etc. Those can be s... | [] | [] | [
[],
[]
] | |
edrifm | cpus seem to hit its limit of 3.5-4ghz before they generate too much heat. why dont companies just make bigger cpus instead of adding 8+ cores? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/edrifm/eli5_cpus_seem_to_hit_its_limit_of_354ghz_before/ | {
"a_id": [
"fbk3lxi",
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"score": [
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"text": [
"Hold out your hand, and spread your thumb and pinky finger out as far from each other as they'll go. The distance, tip to tip, is, *very roughly,* how far light can travel in a nanosecond. In order for the signals in a chip... | [] | [] | [
[],
[]
] | ||
wa9a0 | eugenics | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/wa9a0/eli5_eugenics/ | {
"a_id": [
"c5blqq2",
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"text": [
"Eugenics is the idea of breeding humans to improve the quality of later generations.\n\nIt was popular in the 20s and 30s as \"advanced science\" and \"a way to better humanity\". The idea was we'd restrict reproduction for ... | [] | [] | [
[],
[
"http://imm.io/vNZD",
"http://www.geneletter.com/cyprus-how-one-nations-culture-influences-its-genes-16/"
]
] | ||
5xnaas | what algorithms do programmers use to produce "randomness" | I know that it is impossible to make something truly random, but what algorithms do most people use to do so? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5xnaas/eli5_what_algorithms_do_programmers_use_to/ | {
"a_id": [
"dejfzlu",
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"score": [
13,
3,
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],
"text": [
"There are different possibilities: There are so called \"hash functions\". You put a number in, you get a number out. The important thing: if you put two close values in, you get two vastly different o... | [] | [] | [
[],
[],
[]
] | |
bjprx6 | why were prehistoric animals so much bigger than their present counterparts? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bjprx6/eli5_why_were_prehistoric_animals_so_much_bigger/ | {
"a_id": [
"ema6n8w",
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... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[
"https://www.livescience.com/24916-animal-size-versus-climate.html"
],
[],
[],
[],
[],
[],
[
"https://en.m.wikipedia.org/wiki/Mammoth_steppe"
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[],
[],
[],
[
"https://youtu.be/0ZGbIKd0XrM"
],
[],
[
"https://www.reddit.com/r/s... | ||
1uxy71 | if it is illegal for countries to spy on their own citizens, why has nothing been done? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1uxy71/eli5_if_it_is_illegal_for_countries_to_spy_on/ | {
"a_id": [
"cemralc",
"cemrar2"
],
"score": [
2,
2
],
"text": [
"That's the problem. It's *not* illegal.",
"In a lot of countries it's perfectly legal and in certain circumstances it's perfectly legal in the US too. The police spy on suspects during stakeouts, phone taps, etc."
]
} | [] | [] | [
[],
[]
] | ||
ah177i | why are so many dash cam videos from russia? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ah177i/eli5_why_are_so_many_dash_cam_videos_from_russia/ | {
"a_id": [
"eeaktw3",
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"score": [
74,
14,
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],
"text": [
"Insurance fraud is very common in Russia, so lots of people get dash cams to prevent that. People throw themselves in front of cars and claim that they were injured, that sort of thing.",
"Some dr... | [] | [] | [
[],
[],
[]
] | ||
85ycnx | being exercise an activity that wears out our bodies causing pain and struggle, why is it better for us to do it rather than making sure to maintain ourselves free of physical stress? how is exercise not interpreted by our bodies as improper overuse? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/85ycnx/eli5_being_exercise_an_activity_that_wears_out/ | {
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"text": [
"Because your body is designed to repair itself, and not using those repair functions causes them to break down as well. Just like someone who is kept away from all germs ends up w... | [] | [] | [
[],
[],
[],
[]
] | ||
e9fk8s | how do microorganisms produce enzymes? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/e9fk8s/eli5_how_do_microorganisms_produce_enzymes/ | {
"a_id": [
"faiiscj"
],
"score": [
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],
"text": [
"The same way that macroorganisms do. Enzyme production happens on the cellular level. Enzymes are just proteins that catalyze a certain reaction, in essence, they’re the proteins that *do* things. So DNA > mRNA > protein"
]
} | [] | [] | [
[]
] | ||
48jc9p | how/why do stock photos get made, and why are some of them so weird? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/48jc9p/eli5_howwhy_do_stock_photos_get_made_and_why_are/ | {
"a_id": [
"d0k17lb"
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"score": [
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"text": [
" > How/why do stock photos get made?\n\nStock photography is the supply of photographs, which are often licensed for specific uses. It is used to fulfill the needs of creative assignments instead of hiring a photographer. Stock photography is oft... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Stock_photography",
"http://www.shutterstock.com/pic-38027860/stock-photo-bold-young-man-kissing-woman-with-head-made-of-watermelon.html?src=wcAdeZTB4_k4QIMkm5y39g-1-2"
]
] | ||
ax4xje | i heard some species can technically live forever through a process called biological immortality (such as jelly fish or lobster). how does this work exactly? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ax4xje/eli5_i_heard_some_species_can_technically_live/ | {
"a_id": [
"ehr8omr"
],
"score": [
11
],
"text": [
"Some animals that are immortal have enzymes that will strengthen their telomeres, meaning their cells don't deteriorate after dividing. Lobsters are like this, but they eventually grow big enough to be strangled by their own shells."
]
} | [] | [] | [
[]
] | |
bamm3f | why are tennis players given three balls before serving when they only use two? they usually just throw the third one away anyways. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bamm3f/eli5_why_are_tennis_players_given_three_balls/ | {
"a_id": [
"ekcnhrt",
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"text": [
"When you serve you get 2 serves. So holding onto 2 is what is taught. 1 for your first serve and one for your second if needed. While you play, the balls can be worn down. So by examining all three (3 in a can), you choo... | [] | [] | [
[],
[]
] | ||
dtncb9 | why do lights moving in the dark create a trail behind them? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dtncb9/eli5_why_do_lights_moving_in_the_dark_create_a/ | {
"a_id": [
"f6xo6e0",
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"score": [
5,
3
],
"text": [
"It's called \"persistence of vision\" and it's what makes things like movies and TV possible. In ELI5 terms, our eyes don't adjust to changes in the world fast enough so we see \"ghost images\" of things that already happene... | [] | [] | [
[],
[]
] | ||
us5vd | how is a space rocket aimed at a planet? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/us5vd/eli5_how_is_a_space_rocket_aimed_at_a_planet/ | {
"a_id": [
"c4y37il",
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2
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"text": [
"Short answer: very carefully.\n\nLong answer: You're aiming at a target that is moving in an elliptical orbit at varying speed around a star. It can take weeks, months, or years for your rocket to trave... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Launch_window",
"http://en.wikipedia.org/wiki/Transfer_orbit#Application_to_interplanetary_travel",
"http://www.albinoblacksheep.com/flash/spacedpenguin",
"http://en.wikipedia.org/wiki/Attitude_control_%28spacecraft%29",
"http://en.wikipedia.org/wiki/Orbit_i... | ||
6yni93 | why most of youtube thumbnails nowadays pictures people making weird faces | [example ](_URL_1_), [example 2](_URL_2_), [example 3](_URL_0_) of what I'm talking about
Are there any specific reasons for making such hideous faces? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6yni93/eli5_why_most_of_youtube_thumbnails_nowadays/ | {
"a_id": [
"dmor8to"
],
"score": [
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"text": [
"Gets more views basically.\n\nThey all have high contrast and human faces, which makes them attention grabbing. As for why on earth those kinds of faces would get more views, I imagine a lot of people on youtube find them funny and are more like... | [] | [
"http://i.imgur.com/N8p3eZN.jpg",
"http://i.imgur.com/TElXRmt.jpg",
"http://i.imgur.com/i6mSwTK.jpg"
] | [
[]
] | |
4be87m | how do pets/animals know when humans are sick or in pain? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4be87m/eli5how_do_petsanimals_know_when_humans_are_sick/ | {
"a_id": [
"d18bpg2",
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"score": [
2,
3,
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"text": [
"other animals tend to be much more attuned to the tiny cues we humans miss- when sick, you act, look, and smell differently.",
"I am not a veterinarian (and I did not stay at Holiday Inn last night ... | [] | [] | [
[],
[],
[
"http://www.dailymail.co.uk/news/article-2611101/Barking-wrong-bee-Bazz-beekeeping-dog-wears-special-suit-protect-stings-sniffing-disease-wipes-hives.html",
"http://www.telegraph.co.uk/news/science/science-news/3354028/Dogs-can-read-emotion-in-human-faces.html"
]
] | |
311lcf | how does the american military industrial complex work? | I've been wondering about this in particular regard to R & amp;D and how government contracting works.
Does the military tell the arms industry a concept of what it wants or does the industry just make whatever it wants and then try to sell it to the government?
Who decides what these companies should make and resea... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/311lcf/eli5_how_does_the_american_military_industrial/ | {
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2,
2
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"text": [
"Every agency has their own budgets. One of the cooler ones is DARPA, they are more or less an incubator for cool ideas. \n\nThere are also research facilitie... | [] | [] | [
[],
[],
[],
[],
[]
] | |
4aily9 | why do we feel sad, down or even tired in gloomy and rainy weather? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4aily9/eli5_why_do_we_feel_sad_down_or_even_tired_in/ | {
"a_id": [
"d10mphs",
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"score": [
4,
3,
6
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"text": [
"Insufficient exposure to sunlight has been associated with low levels of melatonin and serotonin, carbohydrate craving, weight gain, and sleep disturbance, resulting in feeling down/sad/tired as you put... | [] | [] | [
[],
[
"http://www.nhs.uk/conditions/Seasonal-affective-disorder/Pages/Introduction.aspx"
],
[]
] | ||
1myixt | the line between freedom of speech and breaking the law. eg racism | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1myixt/eli5_the_line_between_freedom_of_speech_and/ | {
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"text": [
"Racist speech is not against the law. There is something called [\"fighting words\"](_URL_0_), which is pretty rare. And there is also inciting violence with words. But just gener... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Fighting_words#United_States"
],
[],
[
"http://www.law.cornell.edu/uscode/text/18/1038"
],
[
"http://en.wikipedia.org/wiki/Hate_speech",
"http://en.wikipedia.org/wiki/Brandenburg_v._Ohio",
"http://en.wikipedia.org/wiki/Hate_crime_laws_in_the_United_State... | ||
9zvpqx | if the earth became tidal locked to the sun, will it still be hospitable? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9zvpqx/eli5_if_the_earth_became_tidal_locked_to_the_sun/ | {
"a_id": [
"eacmgc0"
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"score": [
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"text": [
"I'm no scientist but one documentary I watched talked about the habitability of other tidally locked planets. It said while yes both extremes will be uninhabitable, there will be a Goldilocks zone in the middle that might support life, although t... | [] | [] | [
[]
] | ||
3sljp9 | what exactly is the difference in last gen tech and graphics compared to now with xbox one and ps4? | Also why do they look so much better and realistic? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3sljp9/eli5_what_exactly_is_the_difference_in_last_gen/ | {
"a_id": [
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"score": [
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2
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"text": [
"Engineers figured out how to make each piece of a chip smaller, so the graphics chip has more pieces on it and can do more things at a time. For example, the Xbox 360 has 48 processors doing graphics work. The Xbox One has 7... | [] | [] | [
[],
[]
] | |
33j2jd | the difference it would make on a trial in the us if the 'innocent until proven guilty' were reversed | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/33j2jd/eli5the_difference_it_would_make_on_a_trial_in/ | {
"a_id": [
"cqlcpne"
],
"score": [
6
],
"text": [
"Why would there be a trial? The man's already guilty, just throw him in prison or execute him."
]
} | [] | [] | [
[]
] | ||
3orm9r | why is rand paul not a popular presidential candidate? | It seems to me that Rand Paul is not a popular presidential candidate. Why is Rand Paul not a popular presidential candidate? Why is Rand Paul not a popular candidate in the GOP? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3orm9r/eli5why_is_rand_paul_not_a_popular_presidential/ | {
"a_id": [
"cvzt61i",
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5
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"text": [
"Can you provide a reason why he would be more popular? What about him would make him as popular as Trump, Jeb Bush, Ben Carson, or Marco Rubio?",
"He was (relatively) popular before the race started... | [] | [] | [
[],
[],
[]
] | |
5klou4 | how does whipping cream work? what's going on that makes it thicken like that? | Clarification: What's special about cream that allows it to whip while other similar (and not so similar) liquids don't whip? Are there other things that whip? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5klou4/eli5how_does_whipping_cream_work_whats_going_on/ | {
"a_id": [
"dbot4mq"
],
"score": [
3
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"text": [
"Air!\n\nWhen you whip the cream, you're incorporating a lot of air into it. The little bubbles, combined with the cream, end up forming a foam instead of a liquid."
]
} | [] | [] | [
[]
] | |
6s6bw9 | do other species of animals follow a specific sleep schedule or, like humans, do they choose when to go to sleep? | e.x. Humans can choose if they want to stay up late or go to sleep early | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6s6bw9/eli5_do_other_species_of_animals_follow_a/ | {
"a_id": [
"dlacd31",
"dlacf6m"
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"score": [
2,
5
],
"text": [
"Most animals have a specific sleep schedule based on their preferred foraging hours and the local climate.\n\nOwls are active at night (nocturnal) because their extreme night vision gives them a dramatic hunting advantage in... | [] | [] | [
[],
[]
] | |
7qhrlh | why the term "food coma" after eating a heavy meal. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7qhrlh/eli5_why_the_term_food_coma_after_eating_a_heavy/ | {
"a_id": [
"dspao3v",
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"score": [
2,
2
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"text": [
"It's not a medical term.\n\nIt's just a sort of funny way to refer to that sleepy feeling you get after you eat a heavy meal.",
"\"Food Coma\" refers to the feeling of lethargy that often follows a heavy meal, specifical... | [] | [] | [
[],
[]
] | ||
20pxsk | why do i occasionally (in a wakeful state) feel as if i am in a dream-like state, as if everything is surreal (and feel like i'm floating)? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/20pxsk/eli5_why_do_i_occasionally_in_a_wakeful_state/ | {
"a_id": [
"cg5mqmk",
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"score": [
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5,
17,
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"text": [
"_URL_0_\n\nThe most common cause is anxiety, especially if it's usually happening when you... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Depersonalization"
],
[],
[],
[],
[],
[],
[],
[]
] | ||
57q5xs | why is it in some places the moon looks gigantic in the sky but where i live in texas, the moon is always very small? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/57q5xs/eli5_why_is_it_in_some_places_the_moon_looks/ | {
"a_id": [
"d8u26cn",
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"score": [
2,
3,
7
],
"text": [
"[the notebook prepared me for this moment]\nHold out your thumb at arms length and hold it up to the moon. The moon should be the size of your thumbnail no matter where you are in the world \n\n*unless ... | [] | [] | [
[],
[],
[
"http://i.imgur.com/B7AyYDd.jpg"
]
] | ||
3iq9lz | the internet outages happening all over the us | How is it that a cut cable in Chicago can affect areas like Houston, Dallas, or LA? Also, aren't the odds of an outage happening at multiple companies like L3 extremely extremely low? I'd prefer if it were qualified people answering but I have no way of validating qualifications so just honor system I gues | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3iq9lz/eli5_the_internet_outages_happening_all_over_the/ | {
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15,
2,
6,
3,
3
],
"text": [
"_URL_0_\n\nChicago is a major node for backbone providers. The mesh network is not uniformly distributed",
"I wonder where the cable was cut. I live ... | [] | [] | [
[
"http://personalpages.manchester.ac.uk/staff/m.dodge/cybergeography/atlas/att_backbone_large.gif"
],
[],
[
"http://internethealthreport.com/",
"http://map.norsecorp.com/"
],
[],
[]
] | |
o69q4 | calling europeans and history scholars more generally – eli5: in broad terms, how did the major regions/nationalities of europe become distinct from one another in the past? | Inspired by learning about how the French and Germans, despite being apart of the Germanic tribes primarily in a certain sense, became quite distinct (my understanding is the French are more of a mix between the Roman people and the Germanic tribes, etc, though this is perhaps a limited understanding).
Anyway, I've t... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/o69q4/calling_europeans_and_history_scholars_more/ | {
"a_id": [
"c3er2zr"
],
"score": [
5
],
"text": [
"**TLDR: Germany was born German, France was Romanized first, went through a period of German rule, but it didn't take.**\n\nEurope before the Romans was a patchwork of small-to-medium sized tribes and languages. In Northern Europe these were most... | [] | [] | [
[]
] | |
8epz57 | is it possible for 2 qr codes to be the exact same thing? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8epz57/eli5_is_it_possible_for_2_qr_codes_to_be_the/ | {
"a_id": [
"dxx63t6",
"dxx651r"
],
"score": [
2,
4
],
"text": [
"Is it possible for two QR codes to be the same arrangement of black and white? Yes.\n\nCan two different QR codes do the exact same thing? Yes.\n\nCan the same QR code be two different things? No.\n",
"Yes.\n\nQR codes j... | [] | [] | [
[],
[]
] | ||
18ku7u | meteors, asteroids and near earth objects | Always had an interest in astrophysics, and since now later on tonight theres the DA14 flying as an object closest to Earth, I was just wondering if someone could explain what these were, how they travel/orbit and other random/trivial information.
Thanks! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/18ku7u/eli5_meteors_asteroids_and_near_earth_objects/ | {
"a_id": [
"c8fo989"
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],
"text": [
"An asteroid is a smallish (by solar system standards) object within the solar system that's not a comet (doesn't have the highly irregular orbit that causes the comet tail). The term asteroid is usually used to talk about objects closer to the su... | [] | [] | [
[
"http://en.m.wikipedia.org/wiki/Asteroid#section_3"
]
] | |
5ohp61 | how can there be 3 tonnes of co2 in every tonne of fuel? | Ok-
I'm doing some analysis on shipping fleet running costs for a work project.
My source data set (the IMO's 3rd Greenhouse gas survey, table 14) had the data I was particularly interested in, concerning fuel consumption across different sizes of vessel. It also has average CO2 Emissions for each size and type of ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ohp61/eli5_how_can_there_be_3_tonnes_of_co2_in_every/ | {
"a_id": [
"dcjcn1m",
"dcjcua5",
"dcjcui2",
"dcjcxc1",
"dcje97p",
"dcjl5h7"
],
"score": [
4,
2,
2,
10,
2,
2
],
"text": [
"Burning things is basically binding oxygen to things. Burn a C atom and it adds 2 Oxygen atoms. Co2, get it? Three atoms are going to w... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | |
emubj4 | how do whipped cream containers work? | U push down and out comes the cream like it’s mf magic. How? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/emubj4/eli5_how_do_whipped_cream_containers_work/ | {
"a_id": [
"fdt3xwu",
"fdve29e",
"fdr22qs",
"fdr7dnf",
"fdrcc51",
"fdrcwy5",
"fdrog4u",
"fdrxcmq",
"fds3zmt",
"fds5fmd"
],
"score": [
3,
2,
3976,
2,
225,
14,
328,
25,
3,
3
],
"text": [
"Big pressure inside the can, little pre... | [] | [] | [
[],
[],
[],
[],
[],
[],
[
"http://justsayn2o.com/nitrous.dairy.html"
],
[],
[],
[]
] | |
3gab24 | why hair turns white but eyebrows do not. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3gab24/eli5_why_hair_turns_white_but_eyebrows_do_not/ | {
"a_id": [
"ctwa84y"
],
"score": [
3
],
"text": [
"They totally do. Different hairs on different parts of you're body are of different types and they may turn grey at different times it not at all."
]
} | [] | [] | [
[]
] |
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