q_id stringlengths 5 6 | title stringlengths 3 296 | selftext stringlengths 0 34k | document stringclasses 1
value | subreddit stringclasses 1
value | url stringlengths 4 110 | answers dict | title_urls list | selftext_urls list | answers_urls list |
|---|---|---|---|---|---|---|---|---|---|
30oxjl | how can someone have negative karma for every comment yet still have a positive karma score? | Here's the example:
_URL_0_
Every comment this user has made has huge negative karma, but she has positive karma on the summary.
| explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/30oxjl/eli5_how_can_someone_have_negative_karma_for/ | {
"a_id": [
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"text": [
"Reddit employs algorithms that try to prevent vote brigading and mass downvoting. For example if you clicked on a user's page and started downvoting every comment, reddit will probably ignore those downvotes when calculating the user's total karm... | [] | [
"http://np.reddit.com/user/ConfuzzledWife"
] | [
[]
] | |
dk6tlg | why does the sun hurt my eyes after coming outside from a darker house? | This is a question submitted by my 6 year old. After he came outside to a sunny day after playing indoors all morning he asked me why does the brightness from the sun hurt his eyes after being in the darkness of the inside? After some googling, I'm only able to find information about medical conditions, but we're askin... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dk6tlg/eli5_why_does_the_sun_hurt_my_eyes_after_coming/ | {
"a_id": [
"f4b498t"
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"score": [
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"text": [
"The eyes have a layer of light-sensing cells on the back called the retina. Those cells don't like being exposed to too much light and they will protest with that feeling of pain. To compensate the eyes have an iris (that colored part around the... | [] | [] | [
[]
] | |
1wljc0 | what would happen if the wind stopped blowing? | Not as in stopped blowing for a few seconds, but what if wind no longer existed. What would the effects be? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1wljc0/eli5_what_would_happen_if_the_wind_stopped_blowing/ | {
"a_id": [
"cf34fl3"
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"score": [
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"text": [
"If natural wind stopped entirely, the Earth's weather patterns would be severely messed up. These are some of the things that would change:\n\n- It would rarely rain in inland locations (wind moves moist air over dry spots and falls as rain). A... | [] | [] | [
[]
] | |
398zk3 | why can't humans control their organs and tell them to stop working? it's like our conscious mind is imprisoned by our subconscious mind | I'm not trying to voodoo myself or anything. Just curious | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/398zk3/eli5_why_cant_humans_control_their_organs_and/ | {
"a_id": [
"cs1di4p",
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"score": [
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"text": [
"Presumably over time any individuals who did possess such abilities would be removed from the gene pool. Because they'd be dead.",
"Living bodies are incredibly complex machines. Each part of these machines perform fun... | [] | [] | [
[],
[]
] | |
23xhc1 | how difficult would it be to crowdsource a successful isp in the us? | Defining successful as:
1. Delivers at least broadband speeds
2. Accessible by at least 50% of the United States
3. Ability to charge less than Comcast for the same speeds or higher, and still make profit | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/23xhc1/eli5_how_difficult_would_it_be_to_crowdsource_a/ | {
"a_id": [
"ch1j3xt",
"ch1k5sj"
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"score": [
3,
3
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"text": [
"Got a few hundred billion dollars lying around?",
"This question isn't ELI5. This is for AskReddit."
]
} | [] | [] | [
[],
[]
] | |
1q4pqq | how can my browser ensure that i am securely accessing a website (https:)? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1q4pqq/eli5_how_can_my_browser_ensure_that_i_am_securely/ | {
"a_id": [
"cd94z2d"
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"text": [
"When you access a website via https, you get a secure certificate from that server. That certificate is usually signed by a third party of trusted security entities, like Entrust.\n\nThe website will encrypt it's pages using an asymmetrical key. ... | [] | [] | [
[]
] | ||
1mz5yh | why is the muslim brotherhood, especially in egypt's case, "bad"? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1mz5yh/eli5_why_is_the_muslim_brotherhood_especially_in/ | {
"a_id": [
"ccdy8ma"
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"score": [
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"text": [
"It all depends on your point of view, and what your values are. The Muslim Brotherhood is a group that believes that government should be run according to the laws of Islam. In other words, they favor an Islamic theocratic system of government. ... | [] | [] | [
[]
] | ||
rfbqq | why is europe so much more "liberal" than america? | Socially, economically, etc. Never been able to figure this out, hoping someone else has any ideas.
EDIT: I meant "left", more so than "liberal". Full disclosure, I'm an American, so I use politics terms in weird ways. :-/
EDIT2: I apologize also for the gross simplification.
EDIT3: Thanks everyone for great resp... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/rfbqq/eli5_why_is_europe_so_much_more_liberal_than/ | {
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"http://www.boston.com/news/globe/ideas/articles/2007/08/05/the_downside_of_diversity/?page=full"
],
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] | |
680w48 | why people sing to their baby to make them sleep? | To be honest, it's kind of annoying | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/680w48/eli5_why_people_sing_to_their_baby_to_make_them/ | {
"a_id": [
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"score": [
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"text": [
"Short answer: **Because it works!**\n\nMy 7 month old will do anything to try and stay awake but is super grumpy (cries a lot) when he is tired. If I just cuddle him he is wriggling round trying to see what's going on or get... | [] | [] | [
[],
[]
] | |
6l1qba | why is it when we see a wheel spinning fast we often times catch a partially still "frame" of it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6l1qba/eli5_why_is_it_when_we_see_a_wheel_spinning_fast/ | {
"a_id": [
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"text": [
"Something to do with the \"refresh rate\" of our eyes/brain. Say our eyes renew an image every 1 second, the wheel is spinning so fast that it catches it at the right moment to seem stationry. Similar to why we start seeing ... | [] | [] | [
[],
[]
] | ||
1tqn9a | if the u.s. government makes all drugs legal, would that put drug cartels out of business? if yes, then who would manufacture and distribute those drugs? | Edit: Excluding marijuana and other drugs that you can find in nature.
Edit 2: Yes, I realize there is a difference between legailzation and decriminalization. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1tqn9a/eli5_if_the_us_government_makes_all_drugs_legal/ | {
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"text": [
"Cartels - as in the organizations that you are referring to as \"Drug cartels\" would not go out of business. The major players in Mexico are now large-scale... | [] | [] | [
[],
[],
[],
[],
[]
] | |
b5wdz5 | why can we visibly see steam, but can’t see air normally outside? and why is it sometimes we can see the shadow of exhaust (like from a bus) but not exhaust itself? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b5wdz5/eli5_why_can_we_visibly_see_steam_but_cant_see/ | {
"a_id": [
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"score": [
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"text": [
"When you can see steam, what you’re seeing is tiny drops of water being carried upward by the invisible water vapor. Since the air around steam is usually cooler than the steam, as soon as it evaporates tiny drops of water ... | [] | [] | [
[],
[]
] | ||
5jfgyd | what's the difference between animal fur and animal skin? | I read something today about the debate of using real animal fur in fashion, and that using animal skin was ok
What's the difference between animal fur and skin, and what makes animal skin more acceptable to use in fashion compared to fur?
Thanks! :) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5jfgyd/eli5_whats_the_difference_between_animal_fur_and/ | {
"a_id": [
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"text": [
"Ultimately, there is no real ethical difference between using an animal skin and using animal fur. They both involve killing an animal and skinning it.\n\nThe major argument I know of is that cowhide - the major animal skin used for fashion, whic... | [] | [] | [
[]
] | |
218370 | why do oil spills happen so often? | Given the recent Texas oil spill, I realized that oil spills are not an all to uncommon occurrence. Given the great environmental ramifications I'd think that this type of event would almost never take place, but it's happened several times in my 20 years of life. Why is this so? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/218370/eli5_why_do_oil_spills_happen_so_often/ | {
"a_id": [
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"text": [
"They all have their own reasons, despite how good things are you cant predict or prevent everything.",
"we move a lot of oil around. if there's a ship collision and the damaged ship is carrying rubb... | [] | [] | [
[],
[],
[]
] | |
2mbpwd | how do mouse clicks make websites and advertisers money? how do clickbait websites like buzzfeed make money | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2mbpwd/eli5_how_do_mouse_clicks_make_websites_and/ | {
"a_id": [
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"text": [
"Websites make money from mouse clicks because advertisers will pay the websites for the mouse clicks, based on the pay-per-click advertising model.\n\nAdvertisers make money from mouse clicks because if the websites' visitors click on the ads, th... | [] | [] | [
[]
] | ||
dc3ebj | why do trains make a low pitch noise when they start accelerating and why is there a linear progression of pitch to speed | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dc3ebj/eli5_why_do_trains_make_a_low_pitch_noise_when/ | {
"a_id": [
"f25q2g2"
],
"score": [
5
],
"text": [
"I assume you mean modern high speed train, refer to **Electromagnetically excited acoustic noise.** \n\nfaster speed = faster rotation of motor = faster and more frequent vibration, same with a string instrument, a low frequency would produce a ... | [] | [] | [
[]
] | ||
1sq671 | how did stone age man hunt big game? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1sq671/eli5_how_did_stone_age_man_hunt_big_game/ | {
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"text": [
"In groups, usually with some sort of plan (if they did it well). They used spears, slings, and later bows and arrows to strike at a distance.",
"A lot of their meat came from ... | [] | [] | [
[],
[],
[
"http://en.wikipedia.org/wiki/Spear-thrower"
],
[]
] | ||
7fci73 | what makes food taste the way it does? what makes sugar taste sweet? what makes lemon juice taste sour? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7fci73/eli5_what_makes_food_taste_the_way_it_does_what/ | {
"a_id": [
"dqbmruu"
],
"score": [
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"text": [
"I answered a similar question a few weeks ago in more detail if you'd like more info, but here goes\n\nOur tongue is covered with a bunch of proteins that are activated when you eat\n\nWhen they activate, each can send a signal to the brain elect... | [] | [] | [
[]
] | ||
1gyvol | why does my computer prompt me for a java update at least once a day? | It's SERIOUSLY fucking ANNOYING. I know I can disable prompts for it, but why why WHY does this piece of shit software have SO.FUCKING.MANY.UPDATES. ? Seriously, I know it's bad, but is it really *this* bad????
| explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1gyvol/eli5_why_does_my_computer_prompt_me_for_a_java/ | {
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"text": [
"It's partly your perception, it's partly that you probably postpone updating java, thus seeing java asking for updates more often.\n\nAn... | [] | [] | [
[],
[],
[],
[],
[],
[
"http://en.wikipedia.org/wiki/Java_version_history#Java_7_updates"
]
] | |
emexvp | why can't we see germs, even when there's tons of them? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/emexvp/eli5_why_cant_we_see_germs_even_when_theres_tons/ | {
"a_id": [
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"text": [
"You can see microbes, such as bacteria, when they're in very large quantities (like when you grow them on a plate). These will be in the billions of cells. If they are found in your environment, they may only be in the 10,000 to 1,000,000 region.... | [] | [] | [
[
"http://www.microbiol.it/en/4-chromogenic-media.html"
]
] | ||
924phk | why do spaceships always take off from warm places like florida? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/924phk/eli5_why_do_spaceships_always_take_off_from_warm/ | {
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"text": [
"It’s closer to the earth equator so they get a little extra help from the spin of the earth, Plus if they have to abort and crash down... | [] | [] | [
[],
[],
[],
[],
[],
[
"https://www.bbc.co.uk/news/uk-scotland-highlands-islands-44839536",
"https://en.wikipedia.org/wiki/Spaceport#Spaceports_with_achieved_satellite_launches"
]
] | ||
61t57d | during sunset, the sky acts like a prism, changing color from blue to red before going dark. but it skips one color of the spectrum -- green -- why? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/61t57d/eli5_during_sunset_the_sky_acts_like_a_prism/ | {
"a_id": [
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"text": [
"A clear cloudless day-time sky is blue because molecules in the air scatter blue light from the sun more than they scatter red light. So we get blue light from all sorts of angles, which overpowers the ... | [] | [] | [
[],
[],
[
"https://en.m.wikipedia.org/wiki/Green_flash"
]
] | ||
zeqvt | could someone eli5 sucrose, glucose, fructose and how it pertains to losing weight? | I'm lost as to its applications. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/zeqvt/could_someone_eli5_sucrose_glucose_fructose_and/ | {
"a_id": [
"c63xiqw"
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"score": [
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"text": [
"Glucose and fructose are very simple sugar molecules. They can be absorbed by the body directly into the bloodstream, to be used as fuel for cells.\n\nSucrose is a complex sugar molecule, in fact, it is a glucose and fructose molecule linked tog... | [] | [] | [
[]
] | |
47itva | visualizations of how gravity "bends" spacetime always shows the latter as a plane that is being push down by the mass of the object: _url_0_. in with direction is it actually bent if there's no up or down in space? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/47itva/eli5_visualizations_of_how_gravity_bends/ | {
"a_id": [
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"score": [
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"text": [
"That's because it's happening in 3D, and that's extremely difficult to imagine, let alone draw. \n\nJust imagine that no matter what direction you approach from, you see a depression in the \"surface\" you're travelling alon... | [
"https://youtu.be/MTY1Kje0yLg"
] | [] | [
[],
[
"https://xkcd.com/895/",
"https://en.wikipedia.org/wiki/Gravitational_lens#Explanation_in_terms_of_space.E2.80.93time_curvature",
"https://en.wikipedia.org/wiki/Einstein_field_equations#Mathematical_form"
]
] | ||
d2x5kw | why is rhyming satisfying, and does it cause a chemical reaction in the brain? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/d2x5kw/eli5_why_is_rhyming_satisfying_and_does_it_cause/ | {
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"text": [
"Because our brains are designed to recognize and use patterns.\n\nWe feel satisfied when things in the world match a pattern. Rhyming is one type of sound pattern that makes us sa... | [] | [] | [
[],
[],
[],
[]
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1he6zj | the legality of industrial hemp | I often hear people talk about legalizing industrial hemp in the US, but isn't it already legal? I mean, i see hemp necklaces and bracelets as well as hemp protein supplements at the grocery store. What is legal and what isn't for industrial hemp? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1he6zj/eli5_the_legality_of_industrial_hemp/ | {
"a_id": [
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"text": [
"Hemp is illegal to grow/produce in the US under Federal law, unless you get a permit that is probably impossible to obtain. All the hemp used in commercial products is imported, which is why it's all low-volume, specialty st... | [] | [] | [
[],
[]
] | |
6m9y6n | how do we capture the (electric) energy produced from motion, like a dam or a windmill, and store it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6m9y6n/eli5_how_do_we_capture_the_electric_energy/ | {
"a_id": [
"djzze68"
],
"score": [
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"text": [
"By using that mechanical energy to rotate a magnet in a wire coil. A rotating magnetic field inside a coil of wire induces an electric current in the wire.\n\nBasically all of our energy sources are converted to electricity in this way."
]
} | [] | [] | [
[]
] | ||
5ugvpe | how come some erasers erase perfectly while others barely get anything off at all? | i have some pencils where the erasers are top notch and don't leave much behind while my other pencils have a shit for eraser. aren't they all made from the same material? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ugvpe/eli5_how_come_some_erasers_erase_perfectly_while/ | {
"a_id": [
"ddty605"
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"text": [
"So this is basically an issue of materials. Erasers work by the friction of rubbing it on the paper causing the rubber eraser to heat a little and become slightly adhesive. This allows it to gather the graphite up from where it is sitting on the ... | [] | [] | [
[]
] | |
48zdqu | what could happen to oj simpson if the knife found from his property turned out to be the knife that killed nicole zbrown simpson? | For refrence
[Knife turned into police allegedly found on O.J. Simpson estate](_URL_0_) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/48zdqu/eli5_what_could_happen_to_oj_simpson_if_the_knife/ | {
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"Really, not much that hasn't already been done... | [] | [
"http://www.fox5ny.com/news/100443963-story"
] | [
[],
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bew85z | how are magnets made into different shapes if they lose magnetism on impact or heating? | Many are shaped first then magnetised, but what about neodymium ones? Is there a way to shape natural magnetic rocks? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bew85z/eli5_how_are_magnets_made_into_different_shapes/ | {
"a_id": [
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"text": [
"Rare earth magnets are made by creating a fine powder, pouring it into a mold, and applying a strong magnetic field to rotate all the magnetic grains so they're parallel. Then the aligned powder is compacted and sintered. Sintering means the ... | [] | [] | [
[
"https://www.arnoldmagnetics.com/resources/magnet-manufacturing-process/"
]
] | |
3n52m0 | why do christians venerate the cross so much?isn't it, in its original form, a tool of torture?is there just something fundamental that i'm missing? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3n52m0/eli5why_do_christians_venerate_the_cross_so/ | {
"a_id": [
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22,
2,
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"text": [
"To Christianity, the cross is a symbol of Jesus' sacrifice of himself to redeem mankind of their sins and to allow humans into heaven. The idea is that Jesus willingly chose to suffer for all of mankin... | [] | [] | [
[],
[],
[]
] | ||
9mv1yn | how do climatologists determine ancient climate shifts? how accurate are these predictions estimated to be? | In a discussion with global-warming denier coworkers today, I was asked how researchers are so sure of what ancient climate change was like. I sufficed to answer "I don't know Ronnie, I'm not a damn climatologist, but I trust the people who are".
I know enough about the climate to give a conventionally educated expla... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9mv1yn/eli5_how_do_climatologists_determine_ancient/ | {
"a_id": [
"e7hki3u",
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"score": [
6,
3,
4
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"text": [
"IIRC ice cores taken from the Antarctic are a source of ancient climate data. The ice cores give insight into the composition of the atmosphere at the time the ice formed. ",
"There are a few fairly... | [] | [] | [
[],
[
"https://www.sciencedaily.com/releases/2008/04/080428200309.htm",
"http://teachclimatechange.org/what-is-dendroclimatology/",
"https://climate.nasa.gov/news/2616/core-questions-an-introduction-to-ice-cores/",
"https://en.wikipedia.org/wiki/Green_River_Formation",
"https://cosmosmagazine.... | |
dfsoyk | what actually happens to the bacteria in food after we heat it up? do their "dead bodies" stay in there? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dfsoyk/eli5_what_actually_happens_to_the_bacteria_in/ | {
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4
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"text": [
"Yea. Whole dead bodies, spilled guts and poop. If you're boiling the food, it's all in the water. If you're deep frying, it's in the oil.",
"You don't want to know what's in it. Any of it. Ever.\n\nYou'll become a di... | [] | [] | [
[],
[]
] | ||
1nvj6f | why do i get the munchies | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1nvj6f/eli5_why_do_i_get_the_munchies/ | {
"a_id": [
"ccmhnno",
"ccmj7p5",
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"score": [
2,
2,
2
],
"text": [
"The munchies after Weed or what? You're not being specific as people can get the \"munchies\" all normal with no drugs.",
"Because you can't decide what kind of snack you want...?",
"If you smok... | [] | [] | [
[],
[],
[]
] | ||
22q24q | why do most digital cameras' framerates drop almost to a slideshow in low-light conditions? | I used a few different digital camcorders, and high-end smartphones which even record at 60 fps, but when it comes to low-light conditions the framerate drops almost to a standstill and everything becomes blurry, unlike traditional tape camcorders. Why is that? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/22q24q/eli5_why_do_most_digital_cameras_framerates_drop/ | {
"a_id": [
"cgp98wh"
],
"score": [
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],
"text": [
"Digital cameras have the ability to adjust their \"shutter speed\" (not actually a shutter closing, but the sensor turning on and off). They do this because in low-light situations, the camera needs more time to collect what light is available.\n... | [] | [] | [
[]
] | |
apo7h2 | if sepsis is the presence of infection in the bloodstream, how is it that every infection a person gets doesn’t turn into septicemia? if it’s already in your body, why wouldn’t the infection get into the blood? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/apo7h2/eli5if_sepsis_is_the_presence_of_infection_in_the/ | {
"a_id": [
"ega0chw",
"ega0d0v"
],
"score": [
3,
3
],
"text": [
"Sepsis is when the body loses control of the immune proces. Normally during an infection the body dilates the blood vessels near the injury so that white blood cells can get to that area. Sepsis is when this goes apeshit and... | [] | [] | [
[],
[]
] | ||
a9qxut | why does the collision of matter and anti-matter release such a large amount of energy instead of merely canceling out? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a9qxut/eli5_why_does_the_collision_of_matter_and/ | {
"a_id": [
"eclnmiz",
"eclnns1"
],
"score": [
17,
6
],
"text": [
"Anti-matter doesn't have negative energy or anything like that, it has opposite charge. When a particle-antiparticle pair annihilate, the energy that is released is the total sum of energies of both particles, which consist... | [] | [] | [
[],
[]
] | ||
f766sg | why do crabs in a bucket pull one another down? | Do they just not want somecrab standing on top of them? Is it involuntary? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f766sg/eli5_why_do_crabs_in_a_bucket_pull_one_another/ | {
"a_id": [
"fi9fk8e",
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"fib2hbn"
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"score": [
10,
11,
2
],
"text": [
"Its actually not true as far as why they're doing it. It isnt to make sure the other crab doesn't get out first, its because crabs are dumb and dont know to work together to get out easier. They just ... | [] | [] | [
[],
[],
[]
] | |
1zglst | why is baby poo so brightly colored? | If they consume only off-white breast milk, why is their poop bright green and orange and off-white poop is the sign of a fatal illness?
Give me the scoop on this poop... whats the meanin' of this excretion?..
| explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1zglst/why_is_baby_poo_so_brightly_colored/ | {
"a_id": [
"cftgunm"
],
"score": [
3
],
"text": [
"It's their liver not being fully developed (completely natural) so some nutrients which small children and older will use, babies leave behind. This leads to the colour difference to babies' and adults' poop."
]
} | [] | [] | [
[]
] | |
8w78wr | how do fireworks have varying volumes and lengths of sound? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8w78wr/eli5_how_do_fireworks_have_varying_volumes_and/ | {
"a_id": [
"e1tfl7q"
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"score": [
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],
"text": [
"It varies on the intensity of the explosion. Think of this explosion as a force that moves the air around it. This movement of air causes vibrations in your ear drums and is interpreted in your brain as sound. Think of it as waves in water. Small... | [] | [] | [
[]
] | ||
28rh32 | why aren't women as deeply interested in technology as men are? | It seems that outside of purchasing/using consumer products, men dominate the tech universe. Is there an explanation for this? From my observations, it appears that there are far more men creating new technologies, developing software, taking up hobbies like building computers and making video games, hacking and moddin... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/28rh32/eli5_why_arent_women_as_deeply_interested_in/ | {
"a_id": [
"cidpvw5",
"cidr1eo"
],
"score": [
12,
4
],
"text": [
"Take a look at how we're raised. At a young age, boys tend to get legos, video games, rc cars, and the like. Girls get dolls, fake oven playsets, dress up costumes, and the like.\n \nParents set their kids up for this crap... | [] | [] | [
[],
[
"http://www.reddit.com/r/TwoXChromosomes/comments/28qtt2/hello_ladies_im_a_guy_from_rchess_and_id_like_to/"
]
] | |
5nsd0d | how does the brain encode sounds and music such that you can "hear" an almost perfect recording in your head, from memory, as if it's digitally encoded | Building on the earworm question posited recently. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5nsd0d/eli5_how_does_the_brain_encode_sounds_and_music/ | {
"a_id": [
"dcdy32o"
],
"score": [
4
],
"text": [
"Scientists have started to zero in on the way the brain stores and encodes information, called sparse distributed representation. This encoding mechanism is in fact digital. Large groupings of neuronal columns and micro-columns connected to senso... | [] | [] | [
[]
] | |
6c2bnj | how do processors know which command to run first? | I can understand most of the technical information on the topic. I'm just unsure about the step-by-step process taken by the processor and programmer in turning the hunk of metal into a functioning computer. So, what tasks taken by each get a computer to start running commands input by a program? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6c2bnj/eli5_how_do_processors_know_which_command_to_run/ | {
"a_id": [
"dhrcj8n"
],
"score": [
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],
"text": [
"It's hardcoded. A processor when it's powered on starts executing whatever happens to be at an address burned into the processor's circuitry. There's a ROM of some sort at that address that contains initialization and boot code.\n\nFor instance, ... | [] | [] | [
[]
] | |
3cdxkp | what makes a pepper hot? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3cdxkp/eli5_what_makes_a_pepper_hot/ | {
"a_id": [
"csummkj",
"csumodn"
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"score": [
2,
3
],
"text": [
"Chili peppers have a chemical called capsacium. It give the peppers their heat, and are fat soluble. So dairy will neutralize the heat better than water. ",
"There is a chemical in hot peppers that can pass freely thr... | [] | [] | [
[],
[]
] | ||
2g68gz | why does the byte system use the base of 2? | Currently teaching my kid the rules of exponents in algebra. We're talking about how the byte system works similar to the metric system but uses the base 2. Can any body tell me specifically why 2 is used, in layman's terms?
*edit: I stand corrected that it is a binary system, not a 'byte' system. Clearly this isn't m... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2g68gz/eli5_why_does_the_byte_system_use_the_base_of_2/ | {
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"score": [
3,
2,
16,
3
],
"text": [
"Because bits have exactly two states: 0 and 1; off and on. If you have 4 bits, you can express 2^4 values. A byte is 8 bits, and thus can express 2^8 values.",
"Its not \"byte... | [] | [] | [
[],
[],
[],
[]
] | |
3cg21b | what happens to a police officer when he/she shoots someone in the line of duty? | Is there an investigation internally/externally/both? Is the officer put on suspension until they can justify his/her actions, etc.? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3cg21b/eli5what_happens_to_a_police_officer_when_heshe/ | {
"a_id": [
"csv6lrq"
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"score": [
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"text": [
"I'm not aware of any standard \"literally this happens every time\" routine. But typically:\n\nAn officer shoots someone. A supervisor and someone from IA (Internal Affairs) is called to the scene. The firearm that the officer used is taken from ... | [] | [] | [
[]
] | |
f12v34 | what does osi mean ?? | I have problem grasp this concept, I'm not a network expert but I'm not totally five, | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f12v34/eli5_what_does_osi_mean/ | {
"a_id": [
"fh1o274"
],
"score": [
2
],
"text": [
"It stands for Open Systems Interconnection model. It's a way of splitting computer networking into distinct \"layers\" and different levels of abstraction.\n\nThe layers are:\n\n1. Physical (Physical copper wires and the electrons on them)\n2. Da... | [] | [] | [
[]
] | |
a72mkb | what causes perceptions of human beauty to change throughout time, and is there any biological basis for these perceptions beyond "healthy"? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a72mkb/eli5_what_causes_perceptions_of_human_beauty_to/ | {
"a_id": [
"ebzswiw",
"ebzvli6"
],
"score": [
9,
6
],
"text": [
"Some beauty standards for women were a marker of wealth. \n\nA curvier woman meant her family was wealthy enough to enable her to be well-fed. Fat women = indulgence in food, a luxury. \n\nIn China, the practice of foot b... | [] | [] | [
[],
[]
] | ||
4bf6mu | why are some upset about obama visitng cuba? | I understand some background of why there's tension in Cuba with the US, but why are some people so critical of him visiting and attempting to restore diplomatic relations with the country? How is any of this a bad thing? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4bf6mu/eli5_why_are_some_upset_about_obama_visitng_cuba/ | {
"a_id": [
"d18kem3",
"d18mop4"
],
"score": [
9,
3
],
"text": [
"There are some people that are critical of any actions to normalize relations with Cuba. There are also many people who are critical of anything that Obama does. So, this action gets both groups upset.",
"Bad habits. The... | [] | [] | [
[],
[]
] | |
nzrir | which form of radiation is the most dangerous to us: gamma, beta or alpha? | I know alpha is about 20 times more ionising, but gamma is much more penetrating, which is more dangerous to us and what exactly is ionising. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/nzrir/which_form_of_radiation_is_the_most_dangerous_to/ | {
"a_id": [
"c3d8huv",
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"score": [
8,
2
],
"text": [
"It depends on how you're exposed to it. For example, alpha radiation can be shielded by a couple of sheets of office paper, but if you swallowed some, it's going to cause potentially more problems than gamma radiation in the... | [] | [] | [
[],
[]
] | |
bop904 | why do video game console makers lose money from consoles regardless of success and popularity? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bop904/eli5_why_do_video_game_console_makers_lose_money/ | {
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"text": [
"Sometimes console makers sell hardware below cost to gain a higher market share or install base. As the price of hardware fall the loss... | [] | [] | [
[],
[],
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[],
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] | ||
3ma4vk | why didn't bruce jenner go to jail after the fatal car crash | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3ma4vk/eli5_why_didnt_bruce_jenner_go_to_jail_after_the/ | {
"a_id": [
"cvdbery"
],
"score": [
5
],
"text": [
"The investigation determined that it was an accident, not a criminal act. Sometimes shit just happens when people drive cars."
]
} | [] | [] | [
[]
] | ||
6m57ag | random erections? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6m57ag/eli5random_erections/ | {
"a_id": [
"djyzfls"
],
"score": [
3
],
"text": [
"I'm just assuming that is a \"everything is working here\" routine check.\nThe morning ones are like the POST test when you turn on a PC."
]
} | [] | [] | [
[]
] | ||
1mf44v | how is an alien lifeform supposed to know how to interpret information that we send out into space? | To start I'm sorry if this has been asked before but I could not find a similar link.
But to further elaborate, I saw the recent post on /r/pics of the images sent out with voyager I and could not understand how we expect them to understand a portion of it. Now of course I understand that math is a sure subject. As fa... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1mf44v/eli5_how_is_an_alien_lifeform_supposed_to_know/ | {
"a_id": [
"cc8ls8t",
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],
"score": [
2,
3
],
"text": [
"We hope they are super advanced geniuses. If the only living things out there are small unicellular bacteria, then its a no go.\n\nIf they are brilliant, then hopefully they will be able to use the clues we left them to figu... | [] | [] | [
[],
[]
] | |
lsra8 | how do modes in music work? | Mixolydian, phrygian, dorian? My main focus is solos, particularly in jazz where a soloist is said to be playing in a "dorian mode." How does it differ from a regular scale? Some youtube clips or examples of each mode would be appreciated, too. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/lsra8/eli5_how_do_modes_in_music_work/ | {
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"score": [
5,
2,
4,
5,
2,
4
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"text": [
"Modes are nothing more than different scales, just like the major and minor scales, that can be used at various times. Each mode or scal... | [] | [] | [
[
"http://www.youtube.com/watch?v=MgpLzDX_ZFU",
"http://www.youtube.com/watch?v=AiZOa7Nxwgo&feature=related"
],
[],
[],
[
"http://www.youtube.com/watch?v=MgpLzDX_ZFU",
"http://www.youtube.com/watch?v=AiZOa7Nxwgo&feature=related"
],
[],
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] | |
ctp304 | why can we clearly tell whether a singer is male or female 90% of the time even if they are singing the same pitches? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ctp304/eli5_why_can_we_clearly_tell_whether_a_singer_is/ | {
"a_id": [
"exmj1lq"
],
"score": [
7
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"text": [
"In addition to the fundamental frequency, which is the note you're singing, human voice is also made up of three main resonating frequencies called [formants](_URL_1_). Formants are determined by the shape of your vocal tract, and although they d... | [] | [] | [
[
"https://www.researchgate.net/profile/Jillian_OConnor/publication/221689580/figure/fig4/AS:669613754966030@1536659768918/Spectrograms-of-the-average-female-left-panel-and-male-voice-right-panel-for-the-five.ppm",
"https://en.wikipedia.org/wiki/Formant"
]
] | ||
3tgj6f | why is it easier for me to remember long strings of numbers as sequences of other numbers, rather than individual digits? | For the number 431357990 I can remember "four thirty-one, three fifty-seven, nine-ninety" much easier than "four three one three five seven nine nine zero".
I understand that in my head I'm turning 9 digits into three numbers instead of nine numbers, and therefore have less total numbers to remember, but, it is arguab... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3tgj6f/eli5why_is_it_easier_for_me_to_remember_long/ | {
"a_id": [
"cx5x3wd",
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"score": [
3,
2,
2
],
"text": [
"You can only hold a certain number of items in your short term memory. By grouping them, you are creating a relationship with something you already know and remembering the relationships instead of the ... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Mnemonic"
],
[],
[]
] | |
21tig2 | why are we not using ionosphere? | I heard a lot about "free" energy transfer, "long distance efficiency", etc.
Also, some of Tesla's finest works include machines that are capable of producing, and transferring electricity throughout ionosphere.
Or maybe it's all a pipe-dream?
Thanks! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/21tig2/eli5_why_are_we_not_using_ionosphere/ | {
"a_id": [
"cggd58l",
"cggdk01"
],
"score": [
3,
9
],
"text": [
"Nobody has ever invented a scheme that could both actually work and also be efficient enough to be worth using. It is probably a pipe dream due to the inverse square law... ",
" > I heard a lot about \"free\" energy tr... | [] | [] | [
[],
[]
] | |
1ggizh | what is the difference between a cd and a dvd? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ggizh/eli5_what_is_the_difference_between_a_cd_and_a_dvd/ | {
"a_id": [
"cak0462"
],
"score": [
54
],
"text": [
"[Close up image of the two](_URL_1_)\n\nSince the size of the Disc's are exactly the same, for the DVD to store more space they have to fit more information on the same area. \n\nThey do this by using a laser that is smaller, that can read more ... | [] | [] | [
[
"https://docs.google.com/viewer?url=http%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fcommons%2Fa%2Fad%2FComparison_CD_DVD_HDDVD_BD.svg&docid=5eb9a8b1c0c28a5356d62fd2ad9a5659&a=bi&pagenumber=1&w=799",
"http://www.sharewareguide.net/images/guide/25-article/003.gif",
"http://3.bp.blogspot.... | ||
1zxayz | how come even when a video online is completely loaded it still goes from crystal clear to hazy? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1zxayz/eli5_how_come_even_when_a_video_online_is/ | {
"a_id": [
"cfxy5p4"
],
"score": [
2
],
"text": [
"1. The resolution is dropping\n\n2. Thumbnails don't really need to be compressed.\n\n"
]
} | [] | [] | [
[]
] | ||
5uw7ut | why are trains still used so much today? | I understand that before planes and other forms of modern transportation trains would be extremely effective modes of transportation for people as well as resources. But what is it that industrial trains are transporting nowadays that requires dozens of rail cars?
-someone woken up by train horns nightly | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5uw7ut/eli5_why_are_trains_still_used_so_much_today/ | {
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"text": [
"Tracks are Already laid and trains can support tons of cargo (be it people and supplies) decently quickly and relatively cheap ",
"... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | |
145ceg | when making online purchases with credit card, why do they ask for the cvs number at the back of the card? how does it offer more security? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/145ceg/when_making_online_purchases_with_credit_card_why/ | {
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"score": [
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320,
239,
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4,
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"text": [
"Since it's on the back, it makes it harder ... | [] | [] | [
[],
[
"http://krebsonsecurity.com/all-about-skimmers/"
],
[],
[],
[
"http://techniglee.com/2011/01/credit-card-numbers-explained/"
],
[],
[],
[],
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[]
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2rtgfn | soap; considering soap is a relatively new thing in the grand scheme of life, and is considered extremely important (obviously) so that we don't catch disease, how did people in the history of humanity survive without it? | Ok, so obviously soap and cleaning products are important to life today. We have to keep our bodies clean, our houses clean, and our food clean. If we don't do that, we put ourselves at serious risk of disease. So my question is: how did past societies stay clean and survive without soap, without constantly catching di... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2rtgfn/eli5_soap_considering_soap_is_a_relatively_new/ | {
"a_id": [
"cnj41r2"
],
"score": [
16
],
"text": [
"1: Soap is old. Thousands of years old, in fact. There are other substances that will do something similar to what the soap is doing. Most ancient cultures had something like it. \n\n2: Soap is not necessary for life, and neither is hygiene, for... | [] | [] | [
[]
] | |
5ej0n8 | how come we don't feel the weight of our bodies? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ej0n8/eli5_how_come_we_dont_feel_the_weight_of_our/ | {
"a_id": [
"dacsh3c",
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"score": [
27,
3,
8
],
"text": [
"Short answer... we do. It's more the fact that our brain is specifically good at noticing change (which is why our eyes are attracted to rapid movement and after a minute of the AC turning on you don't... | [] | [] | [
[],
[],
[]
] | ||
11vjup | how college football rankings are calculated | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/11vjup/eli5_how_college_football_rankings_are_calculated/ | {
"a_id": [
"c6q64np"
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"score": [
3
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"text": [
"The rankings are a composite made from three different standings.\n\n* Coaches' Poll, this is a standing created from a poll taken among coaches of college teams\n\n* Harris Poll, this is a standing created from a poll taken among select media fi... | [] | [] | [
[]
] | ||
62gt3j | why does the marijuana drug test (immunoassay) test look for thc metabolites instead of thc itself? | Seems like they could have made the test relevant for current intoxication instead of intoxication at some random time in the past. Was this done for political reasons or are there technical reasons? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/62gt3j/eli5why_does_the_marijuana_drug_test_immunoassay/ | {
"a_id": [
"dfmhew7"
],
"score": [
2
],
"text": [
"Because it's easier. When you have an easily demonizable group you usually just take the easy route to discriminate against them.\n\nThis test makes it dead simple, they don't care if you're high at the moment, they just care that you have been h... | [] | [] | [
[]
] | |
4r5b69 | what does growth mean in terms of a countries economy? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4r5b69/eli5_what_does_growth_mean_in_terms_of_a/ | {
"a_id": [
"d4yfqmm",
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2,
2
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"text": [
"The way I learned economic growth, the ways economic growth is measured is by increasing the production capacity the country has (or, in other words, produce more stuff, which then brings in more money when the country expor... | [] | [] | [
[],
[]
] | ||
57bnxb | nuclear powerplant fuel rods | I'm watching some videos on Chernobyl and for whatever reason, my mind refuses to understand things unless they are explained in a very "plastic" (I hope I used the word in a right context) way.
The main culprit for that disaster was the design flaws of the reactor - so I'm looking into reactor, the RMBK, trying to fi... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/57bnxb/eli5_nuclear_powerplant_fuel_rods/ | {
"a_id": [
"d8qkn1s",
"d8qqor8"
],
"score": [
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7
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"text": [
"I'll help as best I can:\n\nFuel rods are tubes containing pellets \n\nHere: _URL_0_\n\nHow they're physically handling them in the picture you provided I don't know.\n\nAs for the core melting into the water, the steam itse... | [] | [
"http://i.imgur.com/vNw2O0p.jpg"
] | [
[
"https://commons.m.wikimedia.org/wiki/File:Nuclear_fuel_element.jpg#mw-jump-to-license"
],
[
"http://www.virginiauranium.com/wp-content/uploads/2012/10/energy_comparison-urainium-pellet.jpg"
]
] | |
16b84r | what would happen if someone would drink a big mug of coffee and go to bed before it kicks in? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/16b84r/eli5_what_would_happen_if_someone_would_drink_a/ | {
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"score": [
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],
"text": [
"My intuition is that you would fall asleep just like normal, but then sleep lighter and maybe worse. There is a study I found that says [about that](_URL_0_).... | [] | [] | [
[
"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1402564/"
],
[
"http://blog.aarp.org/2011/11/01/to-stay-awake-drink-coffee-then-nap-no-really/"
],
[],
[
"http://en.wikipedia.org/wiki/Power_nap#The_caffeine_nap"
],
[]
] | ||
657gzq | why isn't internet available through city power lines? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/657gzq/eli5_why_isnt_internet_available_through_city/ | {
"a_id": [
"dg810qs",
"dg819gs"
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"score": [
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2
],
"text": [
"Telco- tech. \n\nThe reason is the type of wires and how they run from house to house, city to city. The long and the short of it is too much, too long and too noisy. In your house it's a short distance over low voltages so... | [] | [] | [
[],
[]
] | ||
6frkuy | why back in early 2000 motherboards were green, and now they are mostly black. why the color change and why aren't we seeing any pink motherboards? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6frkuy/eli5_why_back_in_early_2000_motherboards_were/ | {
"a_id": [
"dikgfp8",
"dil4x8m"
],
"score": [
12,
2
],
"text": [
"Back in those days we didn't have fancy windowed PC cases. Once those modded cases and windows popped up the manufacturers started to built visually appealing components. E.g. fancy RAM heatsinks, nice motherboards, PSUs an... | [] | [] | [
[],
[]
] | ||
6dpgmu | why can't youtube videos stay active in the background on mobile devices? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6dpgmu/eli5_why_cant_youtube_videos_stay_active_in_the/ | {
"a_id": [
"di4dkr6",
"di4dli0"
],
"score": [
5,
2
],
"text": [
"IT can, why do you think it \"can't\" Youtube has purposefully changed their system to attempt to prevent you from doing this on mobile devices and making that \"feature\" available only to their YouTube Red subscribers as ... | [] | [] | [
[],
[]
] | ||
7r5ryn | why do cars slightly move up when your foot isn’t touching the gas pedal? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7r5ryn/eli5_why_do_cars_slightly_move_up_when_your_foot/ | {
"a_id": [
"dsufnhs",
"dsufo4y",
"dsufp2t"
],
"score": [
8,
2,
4
],
"text": [
"Only ones with automatic transmissions do. A torque converter is between the engine and drive wheels. When the wheels are not turning but the engine is, the torque converter still tries to rotate the wh... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Idle_speed"
],
[]
] | ||
8s6a2p | what is the actual purpose of having a united states space force? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8s6a2p/eli5_what_is_the_actual_purpose_of_having_a/ | {
"a_id": [
"e0wwdq4"
],
"score": [
6
],
"text": [
"I think the idea is to split the responsibility for space off of the Air Force, much like how NASA was split off for civilian aerospace work. The Air Force actually spends more on space operations than NASA (moreso if you include agencies like th... | [] | [] | [
[]
] | ||
49ki4q | what are the differences between mental and clinical depression? | So basically I've been trying to write a depressed character in a proper way for Nanowrimo, because I've yet to see popular fantasy put depressed characters in the spotlight (by 'popular fiction' I mean the likes of teenage books like Skullduggery, PJO, and books like that which I grew up with).
I'm very confused abo... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/49ki4q/eli5what_are_the_differences_between_mental_and/ | {
"a_id": [
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"score": [
11,
12,
287,
4,
4,
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"text": [
"By \"clinical depression\" they are referring to major depressive disorder (or similarly... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[]
] | |
2oe1cg | where did all the biomass that makes up animals and plants come from? | I know that matter cannot be created nor destroyed, so something had to be consumed to make up the huge amount of biomass on earth. As I understand it, soil used to be biomass as well. Where did it all come from? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2oe1cg/eli5_where_did_all_the_biomass_that_makes_up/ | {
"a_id": [
"cmm8iqs",
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"cmm9kad",
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"score": [
4,
3,
2,
3,
2
],
"text": [
"Biomass is not intrinsically different than regular mass. Plants are made up of mostly air and water for example. Gasses and stone.",
"The Earth. All the ... | [] | [] | [
[],
[],
[],
[],
[]
] | |
bjp7vu | why can we catch a slight buzz shortly after a sip of alcohol even though it hasn’t been digested yet? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bjp7vu/eli5_why_can_we_catch_a_slight_buzz_shortly_after/ | {
"a_id": [
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"emacod2",
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"score": [
27,
133,
738,
2,
3
],
"text": [
"Drugs can pass into your bloodstream directly through your tongue. For alcohol, you could even have vapour entering via your lungs, though I guess that w... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
3q0hik | why are orcas considered dolphins and why are they called killer whales? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3q0hik/eli5_why_are_orcas_considered_dolphins_and_why/ | {
"a_id": [
"cwb0oh3",
"cwb1yb7"
],
"score": [
5,
3
],
"text": [
"Biologically, orcas belong to the order Cetacea which includes dolphins, whales, and porpoises. Orcas are technically the largest dolphin in the world. There are approximately 35 other oceanic dolphin species. The term 'kill... | [] | [] | [
[],
[]
] | |
2sih88 | why did the swiss bank change the value of the franc and what effects does that have on the economy? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2sih88/eli5_why_did_the_swiss_bank_change_the_value_of/ | {
"a_id": [
"cnpr87e",
"cnq3z7m"
],
"score": [
15,
2
],
"text": [
"The Swiss Central Bank has been holding the Franc/Euro Exchange rate at a 1.20 Francs per Euro minimum rate since 2011. \n\nToday they announced to no longer keep it this way, which made the rate shortly drop to 0.85 Francs... | [] | [] | [
[],
[]
] | ||
25d85z | what was america online (aol), and how was it different from the internet. | All I remember was a couple of friends who used to have AOL and hearing, "Visit us on the web at _URL_0_, or America Online, keyword: example."
What was a keyword? Why was the web address different from the AOL keyword? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/25d85z/eli5_what_was_america_online_aol_and_how_was_it/ | {
"a_id": [
"chg0oro",
"chg0qet",
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"chgbhoy",
"chgfwbm"
],
"score": [
3,
2,
20,
55,
3,
2,
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2
],
"text": [
"AOL was both an ISP and a search engine and a content provider. People would use AOL as... | [] | [
"www.example.com"
] | [
[],
[],
[],
[],
[],
[],
[],
[]
] | |
4xya4a | why do snipers have to take the coriolis effect into account even though the shooter and the target spin together with the ground? | What I mean is : if you shoot a projectile that travels 500 mp/h from a truck that goes 50 mp/h in the same direction, the bullet goes 550 mp/h relatively to the ground but 500 mp/h relatively to the truck because the truck's momentum transfers to the shooter and the rifle.
Same goes for jumping on a plane : it doesn't... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4xya4a/eli5_why_do_snipers_have_to_take_the_coriolis/ | {
"a_id": [
"d6jfo9q",
"d6jfvjz"
],
"score": [
13,
27
],
"text": [
"Suppose we have a sniper on a rotating sphere, located on the axis of rotation. He shoots a bullet towards a target standing on the centre of the sphere. The target is also rotating about the same axis, but because of its ... | [] | [] | [
[
"https://upload.wikimedia.org/wikipedia/commons/b/b6/Corioliskraftanimation.gif"
],
[]
] | |
3g8stm | why flies fly towards to light? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3g8stm/eli5_why_flies_fly_towards_to_light/ | {
"a_id": [
"ctvwuh8"
],
"score": [
2
],
"text": [
"Many insects navigate by the sun. Since the sun is so far away from them it will stay in relatively the same place in the sky for an extended period of time. If they keep the sun in the same place in relation to their body they can then fly in mo... | [] | [] | [
[]
] | ||
57gh6c | when are two symbiotic species of cellular organisms considered to be one organism of different cells? | Say cells A and B are different species from each other, but they have an incredibly strong symbiotic relationship such that one would die without the other. Is there a point where this is instead considered a multicellular organism, where the previously different species are now considered specialized cells of the org... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/57gh6c/eli5_when_are_two_symbiotic_species_of_cellular/ | {
"a_id": [
"d8rqhm6"
],
"score": [
2
],
"text": [
"The short answer is virtually never. The fact that despite the symbiotic relationship, cells A and B still reproduce by themselves without the need of each other and not from the same cell when reproduction happens, even if subsequent survival re... | [] | [] | [
[]
] | |
28907g | why do huge shows like game of thrones and breaking bad use a different director each episode? wouldn't they want to keep a similar vibe and vision throughout the season? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/28907g/eli5_why_do_huge_shows_like_game_of_thrones_and/ | {
"a_id": [
"ci8nqed",
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"ci8rwr3",
"ci8saqu",
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"ci8t4gz",
"ci8tjdy",
"ci8tovd",
"ci8tymy",
"ci8ula9",
"ci8usp6",
"ci8v569",
"ci8va60",
"ci8vbmx",
"c... | [] | [] | [
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] | ||
371trm | university hospital vs. regular hospital | What is the difference between a university hospital and a normal hospital? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/371trm/eli5_university_hospital_vs_regular_hospital/ | {
"a_id": [
"criyhnr",
"crizyc9"
],
"score": [
3,
3
],
"text": [
"As far as patient care goes, nothing noticeable. University hospitals however, are teaching hospitals. That means that they will have medical students and residents providing patient care in addition to the full time provide... | [] | [] | [
[],
[]
] | |
6yesjg | my econ teacher posed a question to us regarding sunk costs. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6yesjg/eli5_my_econ_teacher_posed_a_question_to_us/ | {
"a_id": [
"dmmskc1",
"dmmsmjb",
"dmmsn0f"
],
"score": [
3,
3,
4
],
"text": [
"Quotes from Wikipedia:\n\n > In traditional microeconomic theory, only prospective (future) costs are relevant to an investment decision. Traditional economics proposes that economic actors should not l... | [] | [] | [
[],
[],
[]
] | ||
2kw6da | why does packaged thin-sliced turkey stink so bad, even when freshly opened? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2kw6da/eli5_why_does_packaged_thinsliced_turkey_stink_so/ | {
"a_id": [
"clpx67r",
"clpaiza",
"clpc7f3",
"clpclpp",
"clpjhtc"
],
"score": [
3,
78,
7,
6,
2
],
"text": [
"If you're talking about the Oscar Mayer 'deli fresh'. The package has a small amount of SO2 (sulfur dioxide) in the packaging air. This helps keep it fresh... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
2g13yk | scottish users of reddit: why is your country voting to leave the u.k. ? | American here. Wouldn't this be really more of a hassle than it's worth? What does Scotland gain from this besides a new found independence. (literal and figurative) | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2g13yk/eli5_scottish_users_of_reddit_why_is_your_country/ | {
"a_id": [
"ckennt8",
"ckepa9i",
"ckepmyw"
],
"score": [
9,
3,
3
],
"text": [
"* Scotland would have all governing powers in the Scottish Parliament rather than England having the final say\n* We can vote in a political party we actually want. Fact - There are more Pandas in Scotl... | [] | [] | [
[],
[],
[]
] | |
30pxve | unincorporated cities of the usa | Such as Universal City, Ca and Hacienda Heights, Ca. Why do these exist? What the the advantages of them? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/30pxve/eli5_unincorporated_cities_of_the_usa/ | {
"a_id": [
"cpunuml"
],
"score": [
4
],
"text": [
"An unincorporated area is basically just a region of a county that isn't governed by any municipality. Instead, the county government represents them."
]
} | [] | [] | [
[]
] | |
1leqgf | if water cannot be "destroyed", why are we so concerned with preserving it? | By "destroyed" I mean that it just goes through the water cycle. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1leqgf/eli5_if_water_cannot_be_destroyed_why_are_we_so/ | {
"a_id": [
"cbyh8qa",
"cbyhc3y"
],
"score": [
14,
7
],
"text": [
"We're not concerned with preserving water, but preserving cleanm usable, or drinkable water. If we can't clean it as fast as we use it, we run out of usable water.",
"Because it can be polluted. And cleaning filthy wat... | [] | [] | [
[],
[]
] | |
eiql26 | how do mics at concerts dont pick up the sound of the instruments or fans? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/eiql26/eli5_how_do_mics_at_concerts_dont_pick_up_the/ | {
"a_id": [
"fcsvpuw",
"fcsvxjt",
"fct3fpl"
],
"score": [
14,
4,
3
],
"text": [
"The mics they use are designed to only pick up sound from a specific distance and direction. This has to do some with the pattern on the grill of the mic. In actuality, there will be some bleed-through... | [] | [] | [
[],
[],
[
"https://en.wikipedia.org/wiki/Microphone#Cardioid,_hypercardioid,_supercardioid,_subcardioid"
]
] | |
359f6k | what does a panic attack or anxiety attack feel like? | I dated someone who had these frequently. I always tried to be understanding and supportive, but I couldn't comprehend the feeling. It was intense. I've never experienced one of these before. Help me understand. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/359f6k/eli5_what_does_a_panic_attack_or_anxiety_attack/ | {
"a_id": [
"cr29q6q",
"cr29rm2",
"cr2j7p2"
],
"score": [
4,
3,
2
],
"text": [
"Think about something you have a strong phobia of (e.g. spiders, snakes, etc.). Then imagine being locked in a small room with a bunch of whatever it is you have a phobia of and not being able to escape... | [] | [] | [
[],
[],
[]
] | |
b5usyr | why aren't email addresses case sensitive? | I'm learning programming right now, and it seems that by all accounts, coding is inherently case sensitive (so 'A' is a distinctly different character from 'a'). However, email addresses aren't case sensitive and will work if they have all the characters be in upper case, all in lower case or anything in-between. Moreo... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b5usyr/eli5_why_arent_email_addresses_case_sensitive/ | {
"a_id": [
"ejg18wc",
"ejg1hhi",
"ejg1n3d",
"ejg1too",
"ejg1wmp"
],
"score": [
9,
2,
2,
6,
2
],
"text": [
" > Was it at all taxing space in the days where computers were severely limited with the amount of space they have to add systems to make it non-case sensitiv... | [] | [] | [
[],
[],
[],
[],
[]
] | |
4p0cak | why does a liquid just bellow it's freezing temperature turn solid first when you pour or stir it? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4p0cak/eli5why_does_a_liquid_just_bellow_its_freezing/ | {
"a_id": [
"d4gzxra",
"d4h5ee9"
],
"score": [
37,
7
],
"text": [
"In order to freeze a liquid, there must be a point for the ice to propagate from. Mainly, these points are impurities, but it can also form by molecules lining up and connecting together to form the first crystal of ice. ",... | [] | [] | [
[],
[]
] | |
a2h2ze | how do self checkout machines ensure that customers aren't stealing items or taking things by mistake when scanned incorrectly? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a2h2ze/eli5_how_do_self_checkout_machines_ensure_that/ | {
"a_id": [
"eay867w",
"eay8fhc",
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"eay9rzn",
"eayai91",
"eayfeja"
],
"score": [
42,
20,
4,
5,
8,
3
],
"text": [
"They've calculated risk. \n\nEssentially, people are generally trustworthy and scan all items. If there is an issue they wave down the... | [] | [] | [
[],
[],
[],
[],
[
"https://www.independent.co.uk/news/uk/home-news/avocados-carrots-self-service-scam-supermarkets-checkout-stealing-a8370621.html"
],
[]
] | ||
6k1v9j | what did homo sapiens do for the first 90% of their existence? | [Anatomically modern humans][1] have been around from a conservative estimate of 200,000 years to as far back as [350,000 years][2]. There is evidence of [behavioral modernity][5] (abstract thinking, planning, burial, symbolic behavior (e.g. art, ornamentation, music), ranged weapons (spears and arrows)) between 50,000... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6k1v9j/eli5what_did_homo_sapiens_do_for_the_first_90_of/ | {
"a_id": [
"djis192"
],
"score": [
3
],
"text": [
"A simple answer is that they were hunter/gatherers. There won't be a whole lot of evidence that survived that long. Early humans used a lot of natural resources in their more pure form.\n\nEarly Australians probably used boats or rafts held tog... | [] | [
"https://en.wikipedia.org/wiki/Anatomically_modern_human",
"https://en.wikipedia.org/wiki/Timeline_of_human_prehistory",
"https://www.nytimes.com/2017/06/07/science/human-fossils-morocco.html?mcubz=0",
"https://en.wikipedia.org/wiki/Behavioral_modernity",
"https://en.wikipedia.org/wiki/Sumerian_language",
... | [
[]
] | |
5ush5q | how does exercise benefit a human physiologically? | It's difficult to explain what I'm trying to say, but basically how is exercise beneficial for the human body if you're putting the body under such stress where it tears the muscles and creates an uncomfortable burning sensation during the workout? It sounds counter productive right? Also what else happens in the body ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ush5q/eli5_how_does_exercise_benefit_a_human/ | {
"a_id": [
"ddwj1ld",
"ddwnply",
"ddwwns3",
"ddwzy7n",
"ddx44c9"
],
"score": [
3,
16,
2,
3,
2
],
"text": [
"Creating micro-tears in the muscle is one of the key components of muscle growth. The body produces more muscle fibres to fill the 'tiny holes' created by th... | [] | [] | [
[],
[],
[],
[],
[]
] | |
e0mkjd | when people are super wealthy do they have to give money to charity because otherwise their taxes would be way too high? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/e0mkjd/eli5_when_people_are_super_wealthy_do_they_have/ | {
"a_id": [
"f8f27x3"
],
"score": [
2
],
"text": [
"I think people that are really wealthy like Bill Gates donate to charity because at that point you have everything and did everything and because money doesn't buy happiness they decide to give it away as a purpose for them"
]
} | [] | [] | [
[]
] | ||
1v0qry | what exactly does a database do? | I don't quite understand what a database does/what it is used for. For example, Oracle's database, what does it do and how/why would a company use it? How does it help them? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1v0qry/eli5what_exactly_does_a_database_do/ | {
"a_id": [
"cenkecd"
],
"score": [
4
],
"text": [
"A database is just an organized collection of information -- it can be as simple as a written ledger or as complex as a warehouse full of computers.\n\nEvery organization has information it needs to be able to store and access readily -- database... | [] | [] | [
[]
] | |
g1fkd0 | why is alcohol so effective for cleaning stuff? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/g1fkd0/eli5_why_is_alcohol_so_effective_for_cleaning/ | {
"a_id": [
"fnfcxnr",
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],
"score": [
7,
3,
6,
2
],
"text": [
"Depends on what you're cleaning. Water will be a better solvent for sugar due to its higher level of polarity than alcohol. Alcohol is great for dissolving non-polar things like oi... | [] | [] | [
[],
[],
[],
[]
] |
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