q_id stringlengths 5 6 | title stringlengths 3 296 | selftext stringlengths 0 34k | document stringclasses 1
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6qi6bb | when amazon video offers to show me a 1968 movie in hd for $1 more, is there actually any difference in quality? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6qi6bb/eli5_when_amazon_video_offers_to_show_me_a_1968/ | {
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"Sure.\n\nFilm in good condition is actually very high quality, better than HD. Quality was lost when SD media was made from it in the 1990s, so going back and making an HD version will result in a hig... | [] | [] | [
[],
[],
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65r5xl | why does going outside to get some "fresh air" genuinely seem to help with headaches/feeling ill? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/65r5xl/eli5_why_does_going_outside_to_get_some_fresh_air/ | {
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... | [] | [] | [
[],
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"https://en.wikipedia.org/wiki/Sick_building_syndrome",
"https://en.wikipedia.org/wiki/Indoor_air_quality"
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"http://www.nytimes.com/1996/12/01/realestate/the-house-can-make-you-sick.html"
],
[],
[],
[],
[]
] | ||
5h7wvd | how to wirelessly project my computer screen onto a tv? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5h7wvd/eli5_how_to_wirelessly_project_my_computer_screen/ | {
"a_id": [
"day2l1a"
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"text": [
"As u/CptCreosote said, Plex is probably the way to go. I wanted to add to that. This is service software that should run on a dedicated media PC you can designate as your media server. Congratulations, you're in the IT business now. I'm not sayin... | [] | [] | [
[]
] | ||
5ulwoj | why does music sound slower when i'm sick? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ulwoj/eli5_why_does_music_sound_slower_when_im_sick/ | {
"a_id": [
"ddv1jwy",
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"score": [
10,
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"text": [
"Your body temperature can deregulate your internal clock.\n\nQuoting [PubMed](_URL_0_):\n\n > Experiments investigating timing behaviour in humans under conditions where body temperature was raised or (much more rarely) low... | [] | [] | [
[
"https://www.ncbi.nlm.nih.gov/pubmed/7597195"
],
[]
] | ||
6m2nsr | would a cannonball splash save me from dying at a high enough altitude into the water? | I understand that water at high altitude becomes something like asphalt and if i were to fall on it, i would surely die, if i curled midway and protected myself with my arma and legs, would i survive? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6m2nsr/eli5_would_a_cannonball_splash_save_me_from_dying/ | {
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"i think youd have a better chance if you go in feet first, toes pointed, with your legs tightly together, arms tightly at your sides. with your ass clenched tight. you want to pierce the surface of th... | [] | [] | [
[],
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atcf5o | how can the color spectrum be wrapped into a continuous color wheel? how can the highest frequency colors blend into the lowest frequency colors without clashing? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/atcf5o/eli5_how_can_the_color_spectrum_be_wrapped_into_a/ | {
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... | [] | [] | [
[],
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"https://en.wikipedia.org/wiki/Spectral_color",
"https://en.wikipedia.org/wiki/Impossible_color"
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"https://midimagic.sgc-hosting.com/huvision.htm"
],
[],
[],
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[],
[],
[
"https://en.wikipedia.org/wiki/Opponent_process"
],
[
"https://en.... | ||
4ttx6w | why do flies have such short life-spans? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4ttx6w/eli5_why_do_flies_have_such_short_lifespans/ | {
"a_id": [
"d5k9r9r"
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"score": [
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"text": [
"Their lifespans are only short relative to human lifespans. There's no objective way to measure \"long\" or \"short\" when you're looking at organisms' life spans; these words only mean anything in reference to something else. You could just as e... | [] | [] | [
[]
] | ||
4g4ihf | when people are in an accident and initially live, but then "succumb to their injuries" in the hospital, what do they actually die of? | Can't they just replace blood now? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4g4ihf/eli5_when_people_are_in_an_accident_and_initially/ | {
"a_id": [
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"text": [
"There are a variety of things. For example if the kidneys or liver are damaged and can't be repaired, then the body can't do the processing it needs and the body slowly poisons itself. An initially survived head trauma could... | [] | [] | [
[],
[]
] | |
4ifl91 | why do we screw up our face when lifting heavy weight? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4ifl91/eli5_why_do_we_screw_up_our_face_when_lifting/ | {
"a_id": [
"d2xofjl"
],
"score": [
5
],
"text": [
"Its been scientifically proven that grunting reduces the level of perceived pain. I would assume that scrunching up your face achieves a similar effect."
]
} | [] | [] | [
[]
] | ||
apzk1o | can us political candidates make campaign promises in the form of legally binding contracts? if not, why not? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/apzk1o/eli5_can_us_political_candidates_make_campaign/ | {
"a_id": [
"egcbm70"
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"score": [
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"text": [
"No.\n\nIn order for a contract to be valid there must be \"consideration\" on both sides. You cannot be contractually bound to do something for free, there needs to be some sort of exchange of value (and additionally it needs to be \"conscionable... | [] | [] | [
[]
] | ||
31at6u | how come i can't tell you the order of the letters on a keyboard, but i'm easily able to type without looking? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/31at6u/eli5_how_come_i_cant_tell_you_the_order_of_the/ | {
"a_id": [
"cpzv1bl"
],
"score": [
10
],
"text": [
"Because of muscle memory, your fingers know exactly where the keys are, even if you don't remember the order of them."
]
} | [] | [] | [
[]
] | ||
sigit | like, really, explain like im 5. propulsion in space. how do space ships turn and about mass. | In 0 gravity space, does it take the same amount of force from an engine to propel something that weighs 30 tons and something that is 10 tons?
How does a ship turn in space? Do they need thrusters all around the ship? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/sigit/eli5_like_really_explain_like_im_5_propulsion_in/ | {
"a_id": [
"c4eay28",
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"score": [
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"text": [
"Well, you know that bully on the playground? How he always pushes you around? And you know how when he pushes you, he is pushed back a little too? The bully can't even stop himself from being pushed back when he pushes you, ... | [] | [] | [
[],
[]
] | |
99khlv | does starvation actually work towards weight-loss? if yes, why? if no, why not? and why do people think it does? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/99khlv/eli5_does_starvation_actually_work_towards/ | {
"a_id": [
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"score": [
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2
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"text": [
"Well the body burns approximately 1500-2000 calories every day just to survive. If you do not eat food the body will burn fat to meet its energy and you will lose weight. This is however very unhealthy and should be avoided.... | [] | [] | [
[],
[]
] | ||
7rusgd | why is grilled chicken healthy and fried chicken not? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7rusgd/eli5_why_is_grilled_chicken_healthy_and_fried/ | {
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"text": [
"Fried chicken is considered less healthy because it is covered in an oily fried salty crust -- basically a salty donut is being added to your chicken. (And this is on top of the fatty skin, which is oft... | [] | [] | [
[],
[],
[]
] | ||
2v0zot | how would the coldest (27c) star / brown dwarf feel to a touch (wise 1828+2650)? | Lets say - if we were not immediately sucked in and destroyed by its gravity, how would coldest (27C avg) brown dwarf star "WISE 1828+2650" feel like to a touch with a bare hand?
Is it even never possible to guesstimate? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2v0zot/eli5_how_would_the_coldest_27c_star_brown_dwarf/ | {
"a_id": [
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"score": [
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12,
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"text": [
"Are you asking how warm 27C is? Or what it's like to put your hand into an alien atmosphere? ",
"You'd get radiation burns and probably radiation poisoning. Conventional stars can't be alive and *n... | [] | [] | [
[],
[],
[]
] | |
2wxgpv | why is it that passengers fall asleep when the cabin pressurizes? | I'm flying to Miami right now and I've always wondered this. As soon as the cabin pressurized, people around me fell forward and instantly asleep, others on take off.
I can't do this and I never understood why this is. Why does it work only on some people? It's kind of freaky. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2wxgpv/eli5_why_is_it_that_passengers_fall_asleep_when/ | {
"a_id": [
"couzoll",
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"score": [
3,
3,
3
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"text": [
"I tend sleep on flights. It's not because of the pressurization -- it's because I'm strapped to an uncomfortable chair for a few hours, and sleeping is like a time machine to final approach.",
"The ... | [] | [] | [
[],
[],
[]
] | |
31ax66 | how did switzerland (specifically geneva) become the capital of international relations? | Sure, the neutrality is a reason, but there are other neutral nations. Besides, Switzerland is among the most expensive countries. What historically made it the capital and what keeps it being so to this day? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/31ax66/eli5_how_did_switzerland_specifically_geneva/ | {
"a_id": [
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"score": [
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"text": [
"It has a long history of remaining neutral in the various wars of Europe and neutral places are preferred for making treaties. That really is it. "
]
} | [] | [] | [
[]
] | |
130u86 | the difference between java and javascript. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/130u86/eli5_the_difference_between_java_and_javascript/ | {
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"text": [
"It's easier to explain how they're the same.\n\nThey both use the word *Java* in their na... | [] | [] | [
[],
[],
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[],
[
"http://www.youtube.com/watch?v=wgOgD_WbRXg&t=00m05s"
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4rws3l | do the signs on the backs of trucks that say, "warning stay back 200ft, not responsible for broken windshields" carry legal weight? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4rws3l/eli5do_the_signs_on_the_backs_of_trucks_that_say/ | {
"a_id": [
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"score": [
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"text": [
"It depends. If they have a tarp or cover on the load and your windshield gets broken by something coming out of the bed then yes, in a lot of cases they are covered because they took every reasonable precaution. If one of ... | [] | [] | [
[],
[]
] | ||
8quocm | unsupervised learning/machine learning and how data is relevant | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8quocm/eli5_unsupervised_learningmachine_learning_and/ | {
"a_id": [
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"score": [
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"text": [
"Unsupervised learning isn't generally used to make predictions - for that task a supervised learner is typically used. You hinted at why in your question - if we *do* have a way to evaluate whether our predictions are accurate, then we should be ... | [] | [] | [
[]
] | |
czr17j | what is the significance of bauhaus? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/czr17j/eli5what_is_the_significance_of_bauhaus/ | {
"a_id": [
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"text": [
"the band or the artist collective?",
"Bauhaus is a run of the mill asteroid. It is about 9.6km in average radius. It is part of a family of asteroids that may remnants of a collision of some celes... | [] | [] | [
[],
[],
[]
] | |
1y6e5c | why do we need suffixes in web addresses? e.g. .com, .org, .gov. | Why can't I just connect to a website by typing in "youtube"? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1y6e5c/eli5_why_do_we_need_suffixes_in_web_addresses_eg/ | {
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2,
2,
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],
"text": [
"Think of the top level domains (like .com, .org, .edu) as area codes on a phone call. Every new TLD or area code adds a whole lot more ... | [] | [] | [
[],
[
"something.it",
"something.bg"
],
[
"X.com"
],
[
"y.com",
"this.is",
"x.com/everythingelse",
"everythingelse.x.com",
"x.com"
],
[
"youtube.co.au"
],
[
"whitehouse.gov/.com"
]
] | |
2g1o4r | if the carbon in the air is absorbed to the ground isn't that bad for the soil? | The reason why i ask is because of this article in which they say the plant could absorb the carbon in the air and transfer it to the soil,but to me that seems like a accident waiting to happen.
_URL_0_ | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2g1o4r/eli5if_the_carbon_in_the_air_is_absorbed_to_the/ | {
"a_id": [
"ckes5yd"
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"score": [
2
],
"text": [
"All plants absorb carbon dioxide and use it to transform into cellulose to build the plant. Trees, grasses, flowers, bushes. Those are all fires awaiting a spark."
]
} | [] | [
"http://thinkprogress.org/climate/2014/09/09/3478143/black-fingers-of-death-climate-change/"
] | [
[]
] | |
1x9uet | why are most new dvd menus still 4:3 instead of 16:9 | I have a slightly older HDTV (only has one HDMI plug). Every time I put in a DVD, I have to click the change ratio button to 4:3 just to see the options at the bottom of the screen (first world problem, I know). It has been getting annoying that I then have to switch it back to 16:9 to watch the show or movie. This hap... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1x9uet/eli5_why_are_most_new_dvd_menus_still_43_instead/ | {
"a_id": [
"cf9fnx6"
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"score": [
4
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"text": [
"It is not a problem with the DVD, it is a problem with your set-up. \n\nMy guess it that your misconfigured DVD player outputs a \"squished\" 4:3 signal that you \"correct\" by pressing \"zoom\" or \"stretch\" on the TV remote. It fills the scree... | [] | [] | [
[]
] | |
4cp2xx | why does caffeine have a half-time? why isn't the metabolizing speed constant? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4cp2xx/eli5_why_does_caffeine_have_a_halftime_why_isnt/ | {
"a_id": [
"d1k7199",
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"score": [
3,
7
],
"text": [
"When there's half as much caffeine in your body, there are half as many chances for each caffeine molecule to bump into the caffeine-destroying mechanisms that your body has. Those interactions happen pretty much at random."... | [] | [] | [
[],
[]
] | ||
5j825y | why do senses like sight and hearing tend to deteriorate with age? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5j825y/eli5_why_do_senses_like_sight_and_hearing_tend_to/ | {
"a_id": [
"dbe2kzr"
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"score": [
11
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"text": [
"Sight deteriorates largely because the focus point for an image moves off of the fovea, normally the focus ends up behind the fovea, making the person farsighted. When it is associated with old age, this is called [presbyopia](_URL_1_). The lens... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Presbycusis",
"https://en.wikipedia.org/wiki/Presbyopia"
]
] | ||
61xa7a | why do people answer questions better if they look at a different direction rather than maintaining eye contact with the person? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/61xa7a/eli5_why_do_people_answer_questions_better_if/ | {
"a_id": [
"dfi1hx7"
],
"score": [
5
],
"text": [
"Because eye contact is emotionally draining. We use up a lot of mental processing power looking at another person - discerning their expression, hypothesizing their intention, their thoughts, their motivations. \n\nIf we are trying to do somethi... | [] | [] | [
[]
] | |
17ob63 | why do constellations look nothing like what they are supposed to represent? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/17ob63/eli5_why_do_constellations_look_nothing_like_what/ | {
"a_id": [
"c87c1sx",
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"score": [
2,
2
],
"text": [
"It takes imagination and creativity.",
"They are just dots in the sky, it's not like early astronomers and navigators who named these constellations could just rearrange them to fit the shape perfectly of whatever it was... | [] | [] | [
[],
[]
] | ||
1vfc4z | what's happening when i put my car in park, take my foot off the brake, and feel like its rolling back a tiny bit? | I think this happens with all cars. You pull into your parking spot, your foot is on the brake, you put it in park, take your foot off the brake, and then you feel it seem to roll back. What's happening to cause that movement? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1vfc4z/eli5_whats_happening_when_i_put_my_car_in_park/ | {
"a_id": [
"cerp58q",
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"score": [
9,
3
],
"text": [
"Putting your car in park is basically sliding a lock into place in the transmission, which is just a collection of gears that control how the power from the engine is transferred to moving the car. Since there is a little b... | [] | [] | [
[],
[]
] | |
368xeq | why can i run for half an hour on a treadmill without being tired, but running on concrete for a couple of minutes tires me and makes my legs hurt? | Pretty much the title. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/368xeq/eli5why_can_i_run_for_half_an_hour_on_a_treadmill/ | {
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7,
4,
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"text": [
"A few reasons, mainly:\n-More impact on your feet, and stress on different parts of your legs when you run on treadmill vs. road, you land differently on your feet due to self cont... | [] | [] | [
[],
[],
[],
[]
] | |
dk71lr | why are phone screens so hard to see when you film them? | We can see them very well, but cameras seem to have a hard time capturing them. Why? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dk71lr/eli5_why_are_phone_screens_so_hard_to_see_when/ | {
"a_id": [
"f4bc8mp",
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"score": [
2,
7
],
"text": [
"my best guess is because its just emitting light. have you ever tried recording the sun? it basically just blocks out anything being recorded. why the camera cant record light is probably really simple but i dont really know... | [] | [] | [
[],
[]
] | |
1y6sl6 | how do objects get named? (for example 'blanket' and how do the powers that be decide what is called what.) | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1y6sl6/eli5_how_do_objects_get_named_for_example_blanket/ | {
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"score": [
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5,
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"text": [
"Adding to this question, I've always wondered how a gender is chosen (in languages that do that) when a new objec... | [] | [] | [
[],
[],
[
"http://www.etymonline.com",
"https://en.wikipedia.org/wiki/Vulgar_Latin",
"http://en.wikipedia.org/wiki/OED",
"http://www.etymonline.com/index.php?term=ancient",
"http://www.etymonline.com/index.php?term=old",
"http://www.etymonline.com/index.php?term=blanket",
"http://www... | ||
ba8zve | for the average person in developed countries like the usa, how much has life changed (in economic terms) today compared to 50 years ago? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ba8zve/eli5_for_the_average_person_in_developed/ | {
"a_id": [
"ek9u1db"
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"score": [
3
],
"text": [
"Drastically. The cost of living has risen disproportionately compared to salary & wage increases for the average worker, particularly the working class (blue collar or service industry jobs). Execs in the upper echelons of the corporate industr... | [] | [] | [
[]
] | ||
201xek | why is 'butt chugging' a trend? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/201xek/eli5_why_is_butt_chugging_a_trend/ | {
"a_id": [
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"text": [
"Some dumbass Pi Kappa Alpha at University of Tennessee decided that it would be a brilliant idea to pour alcohol up his ass to get really drunk. Ended up getting hospitalized and once news spread of this idiots actions the story ended up getting ... | [] | [] | [
[]
] | ||
18qfam | why are food cans ribbed? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/18qfam/eli5_why_are_food_cans_ribbed/ | {
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49,
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"Structural rigidity. Same reason corrugated cardboard is stronger than paperboard.\n\nedit: a ribbed structure can be compressed because the ribs can bend and flex, whereas something like a soda can h... | [] | [] | [
[],
[],
[]
] | ||
7lgpdj | what is a government bond? | I can't seem to get it for some reason. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7lgpdj/eli5_what_is_a_government_bond/ | {
"a_id": [
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"score": [
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5,
2,
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"text": [
"It is a loan that the Federal or State government gives to a local government for a specific project. Repairing roads, building schools, establishing a city park, etc. The local go... | [] | [] | [
[],
[],
[],
[]
] | |
4qq1qu | why are governments compensating taxis for the rise of ride-sharing services like uber? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4qq1qu/eli5_why_are_governments_compensating_taxis_for/ | {
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"text": [
"Because ride sharing programs are bypassing laws, safety regulations, and regulatory fees, basically cheating the system and bypassing the actual free market. ",
"No. We don't... | [] | [] | [
[],
[],
[],
[]
] | ||
67c3ax | why new ships are pushed sideways into the water ,isn't it dangerous | here is a reference video
_URL_0_ | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/67c3ax/eli5_why_new_ships_are_pushed_sideways_into_the/ | {
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"dgp9rpu",
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"score": [
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2
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"text": [
"They are launched that way when there isn't enough room to launch them lengthwise. Look at the video you posted, every one of those is on a narrow river or canal.\n\nIf you plan it right it's no more dangerous than any other... | [] | [
"https://youtu.be/osfrALLVP14"
] | [
[],
[]
] | |
8sj20n | why is water bottle cost so much when they're sold separately? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8sj20n/eli5_why_is_water_bottle_cost_so_much_when_theyre/ | {
"a_id": [
"e0zqntr"
],
"score": [
6
],
"text": [
"Because it's profitable to sell it.\n\nRetail price is picked to be as high as possible to maximize profit. The production cost of the bottle water product is pennies per 1000 gallons"
]
} | [] | [] | [
[]
] | |
3dtfy7 | why does the value of my country's dollar (australian) fluctuate so much against the euro/usd/gbp? | When I was in the United States in 2012, the Australian Dollar was worth about $1.05USD which was great for me because it meant I could do tons of shopping and have a pretty cheap holiday given American prices tend to be lower than Australian Prices.
Fast Forward to today, the Australian dollar is only worth $0.72 USD... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3dtfy7/eli5_why_does_the_value_of_my_countrys_dollar/ | {
"a_id": [
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"score": [
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"text": [
"The aussie dollar did have a big run up vs the u.s. Dollar when the GFC hit because australian interests rates remained relatively high, and thus attractive to foreign investors - driving its price up. Think of it like anyt... | [] | [] | [
[],
[]
] | |
67u0qg | why can't we just install windows on consoles (xbox scorpio etc.) if they're so powerful to run hardware intensive games? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/67u0qg/eli5_why_cant_we_just_install_windows_on_consoles/ | {
"a_id": [
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"score": [
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"text": [
"Windows is designed to run on standard PC hardware. This makes certain assumptions about the CPU, how it's connected to the rest of the system, what's provided by BIOS/UEFI, built-in interfaces for ev... | [] | [] | [
[],
[],
[]
] | ||
ehx7j9 | how does the hydrolysis of atp actually transfer energy to another molecule? | So I understand that the hydrolysis of ATP is exergonic reaction but how does that free energy transfer to another molecule/enzyme? Is the hydrolysis of ATP raising the local temperature and thereby giving energy to the molecules nearby or is there some transferring of high-energy electrons via the gamma phosphate on ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ehx7j9/eli5_how_does_the_hydrolysis_of_atp_actually/ | {
"a_id": [
"fcm58lq",
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"score": [
3,
2,
2
],
"text": [
"Mmm, so ATP is a highly unstable molecule so a natural decomposition would just waste energy as heat. This heat is 'wasted energy' since it is unable to do work.\n\nIn metabolism ATP's highly energetic ... | [] | [] | [
[
"http://www.science.smith.edu/departments/Biology/Bio231/glycolysis.html"
],
[],
[]
] | |
2lqdbn | why isn't 'being a qualified scientist' one of the requirements for a job as chairman of the committee of science and space (example: ted cruz)? | Also relevant: Being an educator on an education committee, a doctor on a health committee, etc. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2lqdbn/eli5_why_isnt_being_a_qualified_scientist_one_of/ | {
"a_id": [
"clx61qx",
"clx65zl",
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"score": [
7,
2,
2,
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],
"text": [
"Because there aren't enough scientists/doctors/teachers in Congress to make that workable.",
"I have heard the argument that you have to have both points of view, that it isn't... | [] | [] | [
[],
[],
[],
[]
] | |
6fzbas | why does ibm watson have so many commercials? (who is the target?) | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6fzbas/eli5_why_does_ibm_watson_have_so_many_commercials/ | {
"a_id": [
"dim89li"
],
"score": [
7
],
"text": [
"It is mostly about branding *getting their name out there repeatedly over and over - \n\nso when you think of the best possible soda - Coke or Pepsi pops in your head.\n\nWhen you think of fast food - boom you think of mcdonalds or burger king\n\... | [] | [] | [
[]
] | |
90m5ve | how do nighttime rainbows function? | p.s. didn't know it was a thing till today. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/90m5ve/eli5_how_do_nighttime_rainbows_function/ | {
"a_id": [
"e2rh9w5",
"e2rh9wh",
"e2rhcmz"
],
"score": [
3,
2,
2
],
"text": [
"A moonbow (also known as a lunar rainbow or white rainbow), is a rainbow produced by moonlight rather than sunlight. Other than the difference in light source, its formation is exactly the same as for a... | [] | [] | [
[
"https://en.m.wikipedia.org/wiki/Moonbow"
],
[],
[]
] | |
5dmmg8 | what is the science behind cryogenically freezing someone? is there any real hope that a cryogenically frozen person will be revived? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5dmmg8/eli5_what_is_the_science_behind_cryogenically/ | {
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"da5z64w",
"da5zaqq",
"da5zm0x",
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"d... | [] | [] | [
[],
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"https://www.cryogenicsociety.org/cryonics/"
],
[],
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[],
[],
[],
[],
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"https://labs.fhcrc.org/roth/publications.html",
"http://journals.lww.com/annalsplasticsurgery/Abstract/2014/05000/Hydrogen_Sulfide_Mitigates_Reperfusion_Injury_in_a.20.aspx",
"http://www.ted.com/talks/... | ||
ktre2 | eili5: solipsism | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/ktre2/eili5_solipsism/ | {
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49orcd | why do investors value higher margins over higher overall profits? | I'm always reading about companies jettisoning lines of business with lower margins, even if those lines are profitable. What's up with that? Wouldn't you rather have 6% of $200 than 10% of $100? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/49orcd/eli5_why_do_investors_value_higher_margins_over/ | {
"a_id": [
"d0thkzi",
"d0tm8b8"
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"score": [
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10
],
"text": [
"Its more about efficiently using your investment money.\n\nLet's say that the return on the S & P 500 index is 5% a year. I can put money in an index fund and get that return. Instead, I invest in ABC corp, who makes a 7%... | [] | [] | [
[],
[]
] | |
3m98j3 | why are card games and slot machines at casinos considered gambling and have an age limit, yet arcade coin machines aimed at children are not? | Some of these arcade machines are based mostly on luck and you are technically gambling money in the hopes to win more money. For example, machines such as on those where you drop a coin in at the top, all the coins are hanging over the edge and there's a slider that moves back and forth. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3m98j3/eli5_why_are_card_games_and_slot_machines_at/ | {
"a_id": [
"cvd3bwq"
],
"score": [
2
],
"text": [
"Usually those are technically, and by that I mean legally, \"games of skill\" since when/where you drop the coin effects the output. Slot machines are random and do not care if you pull the level or push the button, drop in one coin at a time or... | [] | [] | [
[]
] | |
1h85h4 | how does the voyager keep leaving the solar system? | It's been leaving for the past year every month... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1h85h4/eli5_how_does_the_voyager_keep_leaving_the_solar/ | {
"a_id": [
"carrgoe",
"carri8s"
],
"score": [
6,
6
],
"text": [
"There's more than one definition of the edge of the solar system. There isn't a simple line in the sand (or in space) that separates our solar system from the rest of the universe. There's a fuzzy boundary, and it takes time... | [] | [] | [
[],
[]
] | |
5qlz5w | how are bots able to get around captchas and security features on ticketmaster to buy thousands of tickets to concerts at a time? | _URL_0_
"In 2013, the ticket retailer Ticketmaster estimated that bots sometimes purchase more than 60 percent of the tickets for a given show" | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5qlz5w/eli5_how_are_bots_able_to_get_around_captchas_and/ | {
"a_id": [
"dd0c847"
],
"score": [
5
],
"text": [
"Just to be very clear-- we have no idea how many (if any) tickets are purchased by bots on ticketmaster. In fact the article embedded in this states so, as below\n\n > Live Nation will not say how many of the 148 million tickets it sells each yea... | [] | [
"http://ew.com/article/2016/12/16/obama-law-ticket-bots/"
] | [
[]
] | |
b9t0m5 | how are oranges specifically grown to be "easy peelers". or is it just simply a variety of orange. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b9t0m5/eli5_how_are_oranges_specifically_grown_to_be/ | {
"a_id": [
"ek6nngw",
"ek6szzb"
],
"score": [
20,
3
],
"text": [
"Selective breeding. People plant the seeds of the ones that are easy to peel and don't plant the seeds of the ones that aren't. You can do this to get almost any quality if you give it enough time.",
"Juice oranges are ... | [] | [] | [
[],
[]
] | ||
d42j2s | kids medicine is dosed by weight but all adult medication is essentially take 2 pills. | As a regular sized adult male surely I need more medicine than a small female? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/d42j2s/eli5_kids_medicine_is_dosed_by_weight_but_all/ | {
"a_id": [
"f0717u0",
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"score": [
15,
14,
4
],
"text": [
"That's not even remotely close to true, though. You've just happened to have been given drugs at a dosage that requires you to \"take two however often\".\n\nA lot of common antibiotics for example ha... | [] | [] | [
[],
[],
[]
] | |
2d4m0e | does listening to things in your sleep actually work? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2d4m0e/eli5does_listening_to_things_in_your_sleep/ | {
"a_id": [
"cjm1f3i",
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"score": [
153,
8,
2
],
"text": [
"Sadly, many studies have [discredited any claim](_URL_1_) that we learn facts and information while asleep. Although, we are apparently capable of [being conditioned](_URL_0_) while asleep. ",
"Th... | [] | [] | [
[
"http://www.npr.org/blogs/health/2012/08/28/160137395/can-you-learn-while-you-re-asleep",
"http://yadda.icm.edu.pl/yadda/element/bwmeta1.element.elsevier-3044fc6c-d7fe-3dd0-85d6-a1e4e90a251f/c/main.pdf"
],
[],
[]
] | ||
2t8nct | the creation of aquarium glass. zoo's have huge pieces of glass containing the tank. how is this glass created and installed? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2t8nct/eli5_the_creation_of_aquarium_glass_zoos_have/ | {
"a_id": [
"cnwsnve"
],
"score": [
2
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"text": [
"It isn't glass. It is plexiglass, which is stronger despite being less dense (heavy) as well as much easier to manipulate/form. Still, it can be as thick as half a meter or more (~1.5feet) in a large public aquarium.\n\nMore info:\n > Polymethylm... | [] | [] | [
[
"http://www.nytimes.com/2006/03/23/arts/23aqua.html?pagewanted=all",
"http://www.sciencefocus.com/qa/how-thick-aquarium-glass"
]
] | ||
2qjxah | why do 30 second medication commercials spend 20+ seconds explaining worst case scenario risks and warnings? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2qjxah/eli5why_do_30_second_medication_commercials_spend/ | {
"a_id": [
"cn6r3cz",
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"score": [
4,
7
],
"text": [
"At least in the US, there's a law which says that if an ad for a drug tells you what that drug does, they have to tell you about possible major side effects in the same ad. A lot of drugs have lots of potentially major side... | [] | [] | [
[],
[
"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3278148/",
"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3278148/table/t1-ptj3610669/"
]
] | ||
46xuud | why treadmills are bad for your knees? or if this is a myth? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/46xuud/eli5_why_treadmills_are_bad_for_your_knees_or_if/ | {
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"score": [
32,
5,
2,
2
],
"text": [
"Running is bad for your knees. The biomechanics of running on a treadmill are slightly different than running on the ground, but none of this is harder on your knees than running... | [] | [] | [
[],
[],
[],
[]
] | ||
1u4fdf | why does gum take so much longer to digest than other foods and where is it during that time? | Why does it take so much longer than other foods such as caramel or taffy? Could I die from swallowing to much gum? Is it coating the walls of my stomach or small intestine? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1u4fdf/eli5why_does_gum_take_so_much_longer_to_digest/ | {
"a_id": [
"ceeedou"
],
"score": [
2
],
"text": [
"While it's true that your body can't digest gum, the idea that it stays in your body a super long time (7 years, or whatever) is a myth. Same as if you swallowed a quarter, barring any complications, you'll pass it out of your system in a day or ... | [] | [] | [
[]
] | |
dokyv7 | why does it hurt to foam roll muscles? | And further, what is actually happening to the muscle that’s being rolled? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dokyv7/eli5_why_does_it_hurt_to_foam_roll_muscles/ | {
"a_id": [
"f5oo1t6"
],
"score": [
7
],
"text": [
"You’re literally pulling on the muscle fibers in a concentrated area. The tighter the muscle, the more resistance. The more resistance the more it hurts as it gives."
]
} | [] | [] | [
[]
] | |
3dnafg | why anyone would be opposed to the iran nuclear deal? | I have been watching the news and I have yet to see/hear one person provide a legitimate reason as to why they believe the nuclear deal with Iran is not a good deal. Every "reason" to oppose the deal I've heard has been some variation of, "This deal is a fast-track to Iran getting a nuclear weapon." Given my (possibly ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3dnafg/eli5_why_anyone_would_be_opposed_to_the_iran/ | {
"a_id": [
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20,
14,
3,
5,
9
],
"text": [
"It gives Iran back their money and opens revenue opportunities for them to sell oil and make even more money. Money they will likely use to expand all thei... | [] | [] | [
[],
[],
[],
[],
[]
] | |
1ikrbl | why do congressional districts not follow county lines? | Congressional districts seem random to me. What's the deal? Wouldn't it be simpler/less prone to controversy if they simply followed county lines? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ikrbl/eli5_why_do_congressional_districts_not_follow/ | {
"a_id": [
"cb5ek3p"
],
"score": [
2
],
"text": [
"Congressional districts are created according to population size while county lines are created for various reasons (geography, politics, etc.) which have nothing to do with population and do not change according to population. \n\nEach congressi... | [] | [] | [
[]
] | |
2e4w2f | how do cars not overheat when they cook outside in california/miami/texas heat for hours? | Not only that, but then you get in (where the interior is like an oven) and turn the car on, heating up the engine and components, etc. How does the car still function normally without overheating? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2e4w2f/eli5how_do_cars_not_overheat_when_they_cook/ | {
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"score": [
8,
3,
2,
2
],
"text": [
"Running temp for an engine is usually around 195 degrees. Even the hottest of summer days does not approach that.",
"The engine is a metal box fueled by explosions, its normal... | [] | [] | [
[],
[],
[],
[]
] | |
4gxlxn | what would happen to the internet/world if google suddenly went bankrupt and shut down? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4gxlxn/eli5_what_would_happen_to_the_internetworld_if/ | {
"a_id": [
"d2ln0fc",
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],
"score": [
7,
3
],
"text": [
"We would start using Bing or whatever other services filled the void. There will be plenty of companies offering identical services to google. It probably won't be as good to start, and it won't be as integrated as google wa... | [] | [] | [
[],
[]
] | ||
21beu5 | why are bananas the classic slipping cliché in most cartoons? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/21beu5/eli5why_are_bananas_the_classic_slipping_cliché/ | {
"a_id": [
"cgbefnd",
"cgbfg7f",
"cgbiqvm"
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"score": [
2,
2,
2
],
"text": [
"Because... they're slippery.",
"The banana peel gag actually grew out of a real problem in mid-19th century America. Prior to the late 19th century, it was quite common for people to throw their tra... | [] | [] | [
[],
[],
[]
] | ||
5m5xh8 | how and why do almonds have a split directly down the middle? | I was eating some today and I didn't know why this was... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5m5xh8/eli5_how_and_why_do_almonds_have_a_split_directly/ | {
"a_id": [
"dc129wf",
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"score": [
19,
5,
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],
"text": [
"Almonds are seeds, almond seeds are dicots, meaning they have 2 cotyledons. \nWhen you split the seed in half you are exposing each cotyledon\nTherefore both sides of the almond are not completely join... | [] | [] | [
[],
[],
[
"http://cf.ydcdn.net/1.0.1.64/images/main/A5cotyledon.jpg"
]
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2ev0ua | . why is the mustard pack at most fast food restaurants see through in the back when the mayo and the ketchup packets are not see through. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ev0ua/eli5_why_is_the_mustard_pack_at_most_fast_food/ | {
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291,
105,
23,
79,
5,
5,
19,
10,
... | [] | [] | [
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"http://www.reddit.com/r/AskReddit/comments/h99wq/why_are_mustard_and_relish_packets_clear_on_one/c1tlcwk"
],
[
"http://www.reddit.com/r/AskReddit/comments/h99wq/why_are_mustard_and_relish_packets_clear_on_one/"
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] | ||
7btl4s | why are baby animals cool with humans/other species, but adult animals are not? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7btl4s/eli5_why_are_baby_animals_cool_with_humansother/ | {
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"Most animals have the instinct to rely on larger creatures (usually their parents) to survive. Partially because they are not ready to defend themselves yet.\n\nBaby birds can't fly away, baby cats don... | [] | [] | [
[],
[],
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3d0ven | why don't we ask primates to teach us their language(s)? | We have been teaching apes ASL for a long time. Now that we know they have gesture based languages in the wild, why don't we ask a primate born in the wild who knows ASL to teach us?
Edit: This is the only source I have found so far: _URL_1_
It isn't the original on I read, but in this one they can still only identif... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3d0ven/eli5_why_dont_we_ask_primates_to_teach_us_their/ | {
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"text": [
"Do you have a source for this gesture language? I've heard if them knowing sign language that we've taught them but have never heard of them having their own",
"For all they talk once they are taug... | [] | [
"https://en.wikipedia.org/wiki/Michael_(gorilla)",
"http://io9.com/5926132/chimpanzee-hand-gestures-suggest-human-communication-is-even-older-than-we-thought",
"http://news.bbc.co.uk/earth/hi/earth_news/newsid_9475000/9475408.stm"
] | [
[],
[],
[]
] | |
1k409h | what happens when you turn your automatic car off when it is still in drive? is it bad for the engine? | Sometimes I get home, and remember to put up all the windows and turn off the lights, but forget to put the car in park before turning it off. It normally makes an unpleasant sound. Is that bad for the car? What's happening to the car that makes that sound? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1k409h/what_happens_when_you_turn_your_automatic_car_off/ | {
"a_id": [
"cbl5qbx"
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"score": [
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"text": [
"Not bad for it at all. If your car makes a sound it might be your car alone, try to record it and post it here, or /r/MechanicAdvice. \n\nIf your on a hill and turn your car off without putting in Park, it will start to roll. The Park position on... | [] | [] | [
[]
] | |
66ufcm | how come when phone screens break, they are still completely functional and readable, but when computer monitors or tvs break, they can no longer display the correct colors? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/66ufcm/eli5_how_come_when_phone_screens_break_they_are/ | {
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"When phone screens 'break' they are not actually breaking. It's just the glass coating over the screen. They have that coating to protect the phone since it probably gets handled and dropped more than a... | [] | [] | [
[],
[],
[]
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85oebp | on wwii propeller planes, how did the nose guns shoot without damaging the blades? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/85oebp/eli5_on_wwii_propeller_planes_how_did_the_nose/ | {
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"score": [
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"text": [
"With a [interrupter gear](_URL_0_). The technology was developed in WW1. It's a simple... | [] | [] | [
[
"https://www.youtube.com/watch?v=faZiS1CYZs0"
],
[],
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"http://www.aerospaceweb.org/question/weapons/q0303.shtml",
"http://www.aerospaceweb.org/question/weapons/guns/fokker-synchronizer.jpg"
],
[],
[],
[],
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1it560 | what is a police state? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1it560/eli5_what_is_a_police_state/ | {
"a_id": [
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"text": [
"A police state is where the government exerts harsh, rigid, totalitarian-like control over both social life and the economy. While it's impossible to define just when a nation becomes a \"police state\", there are a few trai... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Nolan_Chart"
]
] | ||
3qhi2c | maybe i'm just young, but why was pulp fiction considered such a great movie? | It seemed like a scattered plot with not much of a story. Was it something to do with when it was released? I understand the actors that were in it are big time but is that enough to make a movie a top 10 all time film?
Sorry if this offends anyone. Please excuse my ignorance. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3qhi2c/eli5_maybe_im_just_young_but_why_was_pulp_fiction/ | {
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"score": [
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"text": [
"You have to keep in mind, this movie was EXTREMELY influential for its time. while I still think its an amazing movie in its own right, you should always take the time period int... | [] | [] | [
[],
[],
[],
[]
] | |
4pm5lb | what does david cameron's resignation as prime minister mean for britian and the rest of the world? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4pm5lb/eli5_what_does_david_camerons_resignation_as/ | {
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"text": [
"Basically, nothing. David Cameron steps down as prime minister someone from the Tory party will be voted to be their leader/representative and become the new prime minister. That's it really.",
"Ca... | [] | [] | [
[],
[],
[]
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mh5pa | can anyone eli5 the moment generating function? | We talked about it in my probability class today. I'm fine with pushing symbols around but it'd be good to have a simple explanation of what it means and why it's important. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/mh5pa/can_anyone_eli5_the_moment_generating_function/ | {
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"text": [
"It's hard to ELI5 since no five year old will know anything about basic probability theory or function transforms.\n\nPerhaps I'll first just explain the name. The nth moment of a random variable is the value E[X^n]. Each ... | [] | [] | [
[],
[]
] | |
dea6g0 | are are zoo animal births less successful than in their natural habitats? if so... why? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dea6g0/eli5_are_are_zoo_animal_births_less_successful/ | {
"a_id": [
"f2tszrh"
],
"score": [
9
],
"text": [
"Zoo animals births are 1000x more successful than in the wild. Zoos aren't just a place for entertainment. \n\nIt a rehabilitation center focusing on saving species. \n\nIf an animal is born in a zoo there's a WHOLE medical staff ready to jump in... | [] | [] | [
[]
] | ||
9wry2c | how is the speed of an airplane calculated when it is in the air? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9wry2c/eli5_how_is_the_speed_of_an_airplane_calculated/ | {
"a_id": [
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"text": [
"A pitot tube located on the outside of the aircraft in the airflow, measures the airflow and indicates the velocity in the airspeed indicator inside the cockpit or a GPS which uses satellites.",
"Airplanes have pitot tub... | [] | [] | [
[],
[]
] | ||
5qrmw7 | why do they say pinching yourself will wake you from a dream? how can someone control the substance of their "lucid dream"? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5qrmw7/eli5_why_do_they_say_pinching_yourself_will_wake/ | {
"a_id": [
"dd1q2je"
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"text": [
"Studied and practiced lucid dreaming for a couple years. To answer your first question, pinching yourself in your dream can cause a pain response. When you dream, the logic center of your brain goes into a resting state, that's why in dreams ever... | [] | [] | [
[]
] | ||
4z19qq | with an infinite spectrum of frequencies to choose from, why does everything use 2.4ghz? | Microwave ovens, wifi, Bluetooth, and countless proprietary wireless protocols all use 2.4 GHz. What's so attractive about this specific frequency? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4z19qq/eli5_with_an_infinite_spectrum_of_frequencies_to/ | {
"a_id": [
"d6rztwz",
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"text": [
"It is one of a small number of frequencies reserved by regulators for free use without a license.\n\nMany other frequencies are better for communications, but have been reserved for licensed use.",
"We use lots of freque... | [] | [] | [
[],
[
"http://content.moonblink.com/wordpress/wp-content/uploads/US_Frequency_Allocations_Chart.png",
"http://puu.sh/qKSPI.jpg"
]
] | |
r7imc | how much would it really matter if tomorrow, the moon was gone? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/r7imc/how_much_would_it_really_matter_if_tomorrow_the/ | {
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10,
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"text": [
"* There would be no more tides, possibly causing problems for many high tide ports around the world, but they would adapt.\n* Animals that use the moon for navigation or night vision would be confused... | [] | [] | [
[],
[],
[
"http://www.astrobio.net/index.php?option=com_retrospection&task=detail&id=2507",
"http://www.newscientist.com/article/dn4786-no-moon-no-life-on-earth-suggests-theory.html",
"http://en.wikipedia.org/wiki/Barycenter"
]
] | ||
1i5lzp | the concept of work in physics? details inside. | Robert M. Hazen "You do Work if you push you're car along the road as long as it is moving,but if the car doesn't move no mater how hard you push or how much sweat you work up you're not doing any Work,in the same manner if you lift a heavy weight you're doing Work but if you just hold it out in front of you ,no mater ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1i5lzp/eli5the_concept_of_work_in_physics_details_inside/ | {
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" > Because you keep the weight in front of you from falling don't you apply a force opposite to gravity?\n\nYes, but force and work are different concepts.\n\nWork is the change in the potential energy ... | [] | [] | [
[],
[],
[]
] | |
9f3nnl | what is the difference between permutations and combinations. | I cannot for the life of me get the difference between permutations and combinations. My teachers have explained multiple times, claiming that permutations tends to refer to order and arrangement, whilst combination usually “choosing from a group of people or committee”. While I do get these, I do not understand why ar... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9f3nnl/eli5_what_is_the_difference_between_permutations/ | {
"a_id": [
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"score": [
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"text": [
"When discussing permutations, the order of the items selected is counted: two sets of items with the same members, but chosen in a different order, are respected as a distinct permutation.\n\nIe the sets [1 2 3] and [2 1 3... | [] | [] | [
[],
[]
] | |
4ciqc6 | what does it mean when drinks are only 20% juice? what is the other 80%? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4ciqc6/eli5_what_does_it_mean_when_drinks_are_only_20/ | {
"a_id": [
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2,
2,
2
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"text": [
"Something else--probably added water. If I have a bucket of juice, straight from the fruit, and add four buckets of water, I've got a beverage that's 20% (1... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
9v5l10 | why are horses put down when they get injured racing. why not have them recover and live their lives out. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9v5l10/eli5_why_are_horses_put_down_when_they_get/ | {
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"text": [
"Horses are difficult to treat and expensive to keep. A horse with a broken shoulder would be very hard to have recover at all, and even if somehow it survived it would never be abl... | [] | [] | [
[],
[],
[],
[]
] | ||
1ja7c3 | why are humans more intrigued by negativity and malice than positivity and good? | Example - News is 90% "And today a 10 year old was shot in the face while..." and 10% "Today a 10 year old was granted the wish to fly to Mars...".
Why is it we want bad, bad, bad and are always searching for it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ja7c3/eli5_why_are_humans_more_intrigued_by_negativity/ | {
"a_id": [
"cbcoha0",
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11,
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"text": [
"Because \"good\" is supposed to be normal. People generally aren't intrigued by normal.\n\nThink of it this way: \"All planes land safely\" is not newsworthy. And it shouldn't be--that is what is supposed to happen. A plane... | [] | [] | [
[],
[]
] | |
1kgftl | how did single cell organisms evolve into having things like eyes which seems like one of the senses that would evolve out of nowhere? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1kgftl/eli5_how_did_single_cell_organisms_evolve_into/ | {
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"score": [
9,
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3... | [] | [] | [
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"http://api.ning.com/files/*54juLYOTrM7gzNyJXbDWIbAg74LbB4hM2Z7lWi3WHn-G3Rqb8rcjsxAvKkarGaLrLHBj0pe1ID3qg*Jyfp12hnOOFN7O3Rw/evolutionoftheeye.jpg"
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1qinys | what is the process of remastering old films/movies? also, as a followup, how long does this typically take? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1qinys/eli5_what_is_the_process_of_remastering_old/ | {
"a_id": [
"cdd74x0"
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"text": [
"Strangely, (at least it seems strange to some people) regular old film is extremely detailed, somewhere around 25 megapixels per image. In order to distribute a movie, it gets converted to an easier-to-use format, but this process loses some of t... | [] | [] | [
[]
] | ||
nlcaz | hardware encryption | How is it different than any other kind of encryption? As a side note, can ANYTHING be decrypted? Or are there some things which are impossibly difficult? (in a reasonable amount of time) | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/nlcaz/eli5_hardware_encryption/ | {
"a_id": [
"c39ztc1",
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3,
3
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"text": [
"The only difference is that the encryption is done with specialized hardware, not with software. Because it is done on special hardware, it is generally faster and can be more difficult to crack.\n\nIf an encryption scheme ... | [] | [] | [
[],
[]
] | |
567y74 | do bird feathers decompose? | If so, how long does the process take? If not, why not? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/567y74/eli5_do_bird_feathers_decompose/ | {
"a_id": [
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3,
2
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"text": [
"yes. its literally hair and a soft form of keratin(the stuff your finger nails are made of), so it would take about as long as a finger nail would take to decompose. like around a full year to decompose completely.",
"Th... | [] | [] | [
[],
[]
] | |
1ewz2z | last month, yitang "tom" zhang proved the twin prime conjecture, one of math's oldest problems. what is the conjecture and how did he do it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ewz2z/eli5_last_month_yitang_tom_zhang_proved_the_twin/ | {
"a_id": [
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2
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"text": [
"He did not prove the twin prime conjecture, but he did prove something that is directly related to the twin prime conjecture.\n\nThe twin prime conjecture is very simple: There are infinitely many pairs of primes that diffe... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Sieve_of_Eratosthenes"
],
[]
] | ||
3ei431 | how do countries get their names? | Places like America, Britain, Kenya, Mongolia, Russia.
Who names countries and how does the name come about? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3ei431/eli5_how_do_countries_get_their_names/ | {
"a_id": [
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2
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"text": [
"Every name has its own history. Like all language it is a developing process. For example America has been named accidently by German mappers. They got the maps from Amerigo Vespucci, an Italian who w... | [] | [] | [
[],
[],
[]
] | |
3anife | why don't meteorologists routinely report dew point rather than relative humidity? | I find dew point to be more useful, and would prefer not to have to consult a psychrometric chart to find it. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3anife/eli5_why_dont_meteorologists_routinely_report_dew/ | {
"a_id": [
"cse9lec"
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"score": [
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"text": [
"Most people have a very limited understanding of the weather, and aren't interested in the details. The vast majority of the people want to know, is it warm? cold? sunny or cloudy? and is it going to rain? \n\nPeople who have different work relat... | [] | [] | [
[
"http://www.wunderground.com/cgi-bin/findweather/getForecast?query=Miami%2C+FL"
]
] | |
2y3qwm | is 'new' dirt ever created? why or why not? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2y3qwm/eli5_is_new_dirt_ever_created_why_or_why_not/ | {
"a_id": [
"cp5ypbb"
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"score": [
4
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"text": [
"Yes. Dirt is made up of three parts: sand, clay, and loam. The first two are basically just rocks, only broken down into really small grains. The distinction between “sand” grains (tiny) and “clay” grains (really really tiny) is kinda arbitrary b... | [] | [] | [
[]
] | ||
2qousq | why can't i just brush my teeth with mouthwash? | nowadays mouthwash seems to have everything that toothpaste has: flouride, tartar control, breath freshener, etc. i also understand that the mechanical movement of a toothbrush help remove the bacteria on the teeth that cause tooth decay, which is why the act of brushing is important. but why do we still use toothpaste... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2qousq/eli5_why_cant_i_just_brush_my_teeth_with_mouthwash/ | {
"a_id": [
"cn8477x",
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"score": [
2,
2
],
"text": [
"They say it does, and it does definitely help, but brushing will always be slightly more effective for the reason you mentioned, it dislodges material from the teeth. Brushing itself isn't even enough, really. My teeth look ... | [] | [] | [
[],
[]
] | |
2091d0 | the tv show cosmos seems to have caused a big stir in the us. why is this? | I've seen parts of the show on the internet but have yet to see a full episode, so forgive me if I am wrong here. The show seems to be a nice looking science documentary and doesn't seem to me to be anything revolutionary. Maybe over here in the UK we are spoilt for choice when it comes to science and nature documentar... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2091d0/eli5the_tv_show_cosmos_seems_to_have_caused_a_big/ | {
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3,
13,
6
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"text": [
"Haven't heard anything about people being miffed by it, but it really made renaissance Christians look terrible. ",
"It is a remake of a groundbreaking science documentary series from 1980. Many pe... | [] | [] | [
[],
[],
[]
] | |
70x0rw | apparently, the smell of freshly mowed grass is actually chemicals that grass releases to warn other grass of the oncoming danger. why would this be a thing since there's literally nothing grass can do to avoid the oncoming danger? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/70x0rw/eli5_apparently_the_smell_of_freshly_mowed_grass/ | {
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"https://ed.ted.com/lessons/can-plants-talk-to-each-other-richard-karban"
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[],
[],
[
"https://link.springer.com/chapter/10.1007%2F978-90-481-9316-5_11"
],
[
"http://news.nationalgeographic.com/2017/07/caterpillar-cannibalism-plant-defense-spd/",
"http://news.nationalgeographic.com/ne... | ||
7ckxr9 | why does molasses spoil while honey doesn't? | By my understanding, Honey is so concentrated in sugar content that it sucks water out of the bacteria.
Wouldn't Mollasses do the same? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7ckxr9/eli5_why_does_molasses_spoil_while_honey_doesnt/ | {
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"text": [
"Sure, but honey has more sugar than molasses does, as a result the effect is worse for the bacteria in honey than molasses and more can survive in molasses. ",
"It's a threshold issue: A fluid compo... | [] | [] | [
[],
[],
[]
] | |
2ci64h | hypothetically, if the rotation speed of earth started to accelerate, is there a speed at which we would be thrown into space? | What would be the effects on the planet, and life here, as the rotation speed exponentially increased ever more each month? (Would we feel dizzy? What would kill us?)
*I did search, but as far as year back I couldn't find something like this (these) question(s)* | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ci64h/eli5hypothetically_if_the_rotation_speed_of_earth/ | {
"a_id": [
"cjfp1yv",
"cjfp6p4"
],
"score": [
7,
2
],
"text": [
"I highly recommend this: _URL_0_",
"If by magic the planet started to accelerate like that, and also by magic it held together at those speeds, yes, our perceived weight would gradually reduce, and eventually cross zero ... | [] | [] | [
[
"http://what-if.xkcd.com/92/"
],
[]
] | |
ake5k9 | if an independent game studio goes under, who/which company owns the intellectual properties? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ake5k9/eli5_if_an_independent_game_studio_goes_under/ | {
"a_id": [
"ef43zqs",
"ef446y7"
],
"score": [
3,
2
],
"text": [
"When a company shuts down, it generally sells all its assets off to recoup as much money as possible. That includes whatever copyrights and other intellectual property it might own. So the rights are owned by whoever bough... | [] | [] | [
[],
[]
] | ||
xnute | why don't smartphones (or any cell phones for that matter), when using its autofill/autocorrect feature while you're texting, detect over time which words you use more often and stop prompting is to correct the words we never use? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/xnute/eli5_why_dont_smartphones_or_any_cell_phones_for/ | {
"a_id": [
"c5o06ro"
],
"score": [
13
],
"text": [
"In some cases, they do. For example, the SwiftKey keyboard for Android analyzes not only the way you use it, but also your most commonly used words and phrases in your emails and social networks.\n\nHowever, in general, it's better to base predi... | [] | [] | [
[]
] |
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