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 |
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3y6mi5 | if i'm in space, and i try to push an object away from me that is significantly heavier than i, what will happen? | As far as I'm concerned, if I would jump out of a spaceship, I'd be doomed to 'fly' through space in the direction I jumped for as long as something crossed my path.
Second, in Zero G, I'm able to toss heavy objects around with ease.
Assuming all of this is correct, If I tried to push a spaceshuttle or something else... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3y6mi5/eli5_if_im_in_space_and_i_try_to_push_an_object/ | {
"a_id": [
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"score": [
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"text": [
"You would propel yourself away from it because you are the less massive object. You would impart a minimal amount of force to the Space shuttle, but not enough to make any sort of real difference.",
"Conservation of mome... | [] | [] | [
[],
[]
] | |
1t1zr3 | why don't boats use headlights? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1t1zr3/eli5_why_dont_boats_use_headlights/ | {
"a_id": [
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"text": [
"Headlights are meant to see and be seen by...\n\n\nTo see, boats often don't need them since light from stars and the moon are often enough... when that isn't the case, they use spot-lights.\n\n\nTo be ... | [] | [] | [
[],
[
"http://2.bp.blogspot.com/-OgopQkLjMgY/TtcyrGehOhI/AAAAAAAACm8/DCQYwPsiupQ/s1600/HappyCam.jpg",
"http://www.youtube.com/watch?v=roc9VSnoMLM",
"http://4.bp.blogspot.com/-WXHkMKmAuW0/TVmQYgCNoSI/AAAAAAAAFH0/Q0hygjzk0Mo/s1600/CarquinzBridgNightShipLights2.2.12.11.600.jpg",
"http://www.reddit.co... | ||
6koarp | how did they do music videos like "take on me" without computers | Cant imagine how. Blame me for not knowing if its common knowledge but im curious. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6koarp/eli5_how_did_they_do_music_videos_like_take_on_me/ | {
"a_id": [
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"score": [
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"text": [
"First they shot the entire video live-action, then used frames from the parts they wanted to be animated as the basis to trace out sketch drawings, then replaced some of the live-action frames with the animated frames.\n\... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Rotoscoping"
],
[
"http://phototechmag.com/wp-content/uploads/2013/12/Mulligan_MA_2008_1.jpg",
"http://scrapgirls.com/wp-content/uploads/2016/01/DodgeBurn_TGU_ss1-Panel.jpg"
]
] | |
3jx7b9 | fed interest rates. why the interest rates are more wacked then ever. | I've been looking at my student loans and the 6.8% I have to pay. Yet I look at spreadsheets for the federal reserve where they have interest rates at .07%... Why is it that I have to deal with a huge interest rate and large institutions are essntially getting an interest rate lower than .1 %? And have these interest r... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3jx7b9/eli5_fed_interest_rates_why_the_interest_rates/ | {
"a_id": [
"cut1ecv",
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"score": [
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"text": [
"Banks are expected to pay back their loans roughly 100% of the time. In the unlikely event that a bank declares bankruptcy, it is likely that the government will step in and provide assistance. \n\nIndividuals can miss pa... | [] | [
"http://www.federalreserve.gov/datadownload/Output.aspx?rel=H15&series=40afb80a445c5903ca2c4888e40f3f1f&lastObs=&from=&to=&filetype=csv&label=include&layout=seriescolumn"
] | [
[],
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2r1a17 | why did television insist on having married couples in separate beds, when our real-life parents obviously slept together? | I never really got the reasoning behind it. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2r1a17/eli5_why_did_television_insist_on_having_married/ | {
"a_id": [
"cnbh7ho",
"cnbhbeo",
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"score": [
2,
9,
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],
"text": [
"I think it was purely because how uptight everyone used to be back in the day regarding sexuality of any sort, keeping to the mindset of, \"One only does it to procreate!\"\n\nAlso, found an article on ... | [] | [] | [
[
"http://www.snopes.com/radiotv/tv/marykay.asp"
],
[
"http://tvtropes.org/pmwiki/pmwiki.php/Main/SleepingSingle"
],
[]
] | |
1n30nx | microchips | A microchip might as well be a magic rune to me. How does bits of metal on a piece of plastic do anything? Let alone create insanely complex things like computers. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1n30nx/eli5_microchips/ | {
"a_id": [
"cceyiyp",
"ccezj87",
"ccf1ydb"
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"score": [
2,
5,
2
],
"text": [
"There's a little bit of a difference in complexity between a CPU and an Integrated Circuit, the integrated circuit (What many people call microchips) are literally just general purpose circuits (Things ... | [] | [] | [
[
"http://en.wikipedia.org/wiki/File:IBM_701console.jpg"
],
[],
[]
] | |
aj4cfj | why insurance premiums generally go up following an accident/tragic event? will they ever go down over time or are you stuck with the higher premium forever? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/aj4cfj/eli5_why_insurance_premiums_generally_go_up/ | {
"a_id": [
"eesn1vy",
"eeso4da",
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"score": [
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],
"text": [
"People who get into one accident tend to get into more accidents in the future. So insurance companies take this information and raise your rates accordingly. Eventually your premiums will go down if ... | [] | [] | [
[],
[],
[]
] | ||
77g9ib | what is this sideways slot in this outlet? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/77g9ib/eli5_what_is_this_sideways_slot_in_this_outlet/ | {
"a_id": [
"dolklwh",
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"score": [
7,
5
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"text": [
"It means the outlet is rated for 20 amps instead of the normal 15 and can accept plugs of [this shape](_URL_0_) for appliances that need the higher amperage.",
"it is a 20amp recepticle. Its pretty rare to find a 20amp ... | [] | [] | [
[
"https://cdnimg.webstaurantstore.com/images/products/main/110979/278977/all-points-38-1317-plug-nema-5-20p.jpg"
],
[
"https://images-na.ssl-images-amazon.com/images/I/418wWYoxqwL._SY300_.jpg"
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2refv0 | if you took a newborn baby from today and one from 4000 years ago and raised them together would there be any difference in intelligence or abilities? | Omitting natural variance between two unrelated people obviously. Are today's people smarter/healthier/better?
| explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2refv0/eli5_if_you_took_a_newborn_baby_from_today_and/ | {
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"score": [
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"text": [
"I don't know about intelligence, but the newer baby would most likely have a better imm... | [] | [] | [
[],
[],
[],
[],
[
"http://en.wikipedia.org/wiki/Flynn_effect"
],
[],
[],
[]
] | |
2qv9u1 | if adding heat to a gas increases the pressure, why is hot air thinner? | Such as in the summer it is harder for helicopters and airplanes to fly because the air is thinner. But why is this so if heat increases pressure? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2qv9u1/eli5_if_adding_heat_to_a_gas_increases_the/ | {
"a_id": [
"cn9ue1g",
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"score": [
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],
"text": [
"PV=nRT\n\nPressure increases with Temperature increases only if the Volume stays the same. If there is no container, the air will increase volume, lowering its density.",
"When the gas is held at a constant volume, like ... | [] | [] | [
[],
[]
] | |
6hpeuj | how cells can die if they go through mitosis. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6hpeuj/eli5_how_cells_can_die_if_they_go_through_mitosis/ | {
"a_id": [
"dj036ws"
],
"score": [
3
],
"text": [
"Mitosis is a pretty complicated process where things can go wrong. Within a cell undergoing mitosis, it can detect if something goes wrong in a step and basically signal itself to undergo apoptosis (programmed suicide). When apoptosis is signaled... | [] | [] | [
[]
] | ||
53bwzz | why is discrete mathematics so important in computer science? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/53bwzz/eli5_why_is_discrete_mathematics_so_important_in/ | {
"a_id": [
"d7rp17j",
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"score": [
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2
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"text": [
"You can draw a continuous line on a piece of paper. If it weren't for atoms (of which there are still billions in your line) there would be an infinite number of points in it.\n\nWhen a computer draws a line on a screen it ... | [] | [] | [
[],
[]
] | ||
30ihlc | why do computers last years without overheating or dying.. but consoles have a high potential to burn out after overuse or consistent use over time. | I've had computers on in my home for weeks with no issue, I'm not sure my consoles could survive the same treatment. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/30ihlc/eli5_why_do_computers_last_years_without/ | {
"a_id": [
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"score": [
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"text": [
"Consoles are just cheap computers without nearly enough cooling. Just cheaper parts and inferior design so the shelf life won't be as long if you constantly use it. \n\n ",
"Because a computer is b... | [] | [] | [
[],
[],
[]
] | |
4r306i | why is there no algebraic formula to solve 5th degree polynomials? | Why isn't there one, and what consequences does it have? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4r306i/eli5_why_is_there_no_algebraic_formula_to_solve/ | {
"a_id": [
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"score": [
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2
],
"text": [
"The branch of math you're looking for is called [Galois Theory](_URL_1_). I've learned it from [this book](_URL_0_), but it does leave out a lot of the details.\n\nThe details are complicated (you'll need a good background ... | [] | [] | [
[
"http://www.maths.gla.ac.uk/~ajb/dvi-ps/Galois.pdf",
"https://en.wikipedia.org/wiki/Galois_theory"
],
[]
] | |
6s1jet | the seth rich story and what went down | I've heard many different things but am not really picturing the timeline and implications. Can someone lay this out for me please. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6s1jet/eli5_the_seth_rich_story_and_what_went_down/ | {
"a_id": [
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"text": [
"Seth Rich was an employee of the Democratic National Committee, which is the top governing body of the USA's Democratic Party. In July of 2016, Rich was apparently assaulted and shot in an alleyway in Washington DC. He was found by police and tra... | [] | [] | [
[]
] | |
jilv1 | traveling in basketball. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/jilv1/eli5_traveling_in_basketball/ | {
"a_id": [
"c2cf3mw",
"c2cf3mw"
],
"score": [
2,
2
],
"text": [
"Moving with the ball without dribbling (bouncing the ball off the floor in a controlled manner)",
"Moving with the ball without dribbling (bouncing the ball off the floor in a controlled manner)"
]
} | [] | [] | [
[],
[]
] | ||
5xz6gi | why and how do dead pixels spread across a screen? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5xz6gi/eli5_why_and_how_do_dead_pixels_spread_across_a/ | {
"a_id": [
"delzvrd",
"delzzw0"
],
"score": [
3,
3
],
"text": [
"If anyone can explain also how a vertical line of dead pixels in my monitor came back to life, I would appreciate that as well.",
"physical damage and shock aside (where a physical trauma breaks connections, such as a dr... | [] | [] | [
[],
[]
] | ||
3jab2o | the current hillary v. wikileaks situation and how this has suddenly changed public opinion | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3jab2o/eli5_the_current_hillary_v_wikileaks_situation/ | {
"a_id": [
"cunlb1k",
"cunn4xu"
],
"score": [
2,
2
],
"text": [
"Nothing particularly interesting is happening involving Hillary's emails going public and their discuss of wiki leaks. Public opinion hasn't changed really, I'm not sure what your sources are. ",
"The issue with Hillary ... | [] | [] | [
[],
[]
] | ||
yhwcy | how does a car engine and transmission not seize up when you've applied the brakes? | I've been driving for a long time now, and I've never been able to work it out in my head how a car's engine can keep turning over even if I've applied the brakes so I'm at a complete stop.
My thought process:
The engine turns the crankshaft, which turns the gears of the transmission which turns the wheels. Now, a ma... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/yhwcy/eli5_how_does_a_car_engine_and_transmission_not/ | {
"a_id": [
"c5vprvh"
],
"score": [
3
],
"text": [
"Automatic transmissions have what's called a torque converter. This is a device that allows the engine to continue turning even when the wheels can't turn. It typically uses a fluid coupling, meaning, that instead of a shaft connecting the two ... | [] | [] | [
[]
] | |
1oscqa | what is the difference between a libertarian, and a conservative libertarian, or a libertarian republican? | If a Libertarian is a person with beliefs that agree with that of the economic side of the Republicans and the social side of the Democrats (mostly), then what are Conservative Libertarians or Libertarian Republicans?
Rand Paul is a Libertarian Republican, and that would mean he is solidly economically cons... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1oscqa/eli5_what_is_the_difference_between_a_libertarian/ | {
"a_id": [
"ccv9uok"
],
"score": [
3
],
"text": [
"As a Left-Libertarian, I can offer a perspective that most might not.\n\nThe left-right spectrum is too simplistic a way of looking at it. Think rather of a two-dimensional graph. The left and right designate the social issues, whereas the up and... | [] | [] | [
[]
] | |
3qc1ve | why government provided free health would be invading our private life? (american) | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3qc1ve/eli5why_government_provided_free_health_would_be/ | {
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"score": [
9,
13,
4,
2,
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"text": [
"It wouldn't.\n\nBut conservatives like to argue that if the government provides healthcare, then the government will \"control\" health... | [] | [] | [
[],
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[],
[]
] | |
4oecg9 | ect's effects on the brain | I understand exactly how the procedure is done, but what I would like to know is how/why it helps with depression. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4oecg9/eli5_ects_effects_on_the_brain/ | {
"a_id": [
"d4buj45",
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"score": [
2,
2
],
"text": [
"We're not 100% sure. \n\nThe prevailing theory is that the seizure induced by the electric current clears up/resets/changes neurotransmitter receptors, so it helps serotonin levels normalise. ",
"Benefits of ECT for depr... | [] | [] | [
[],
[]
] | |
7f2047 | why do archers say you should not fire a bow without an arrow? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7f2047/eli5_why_do_archers_say_you_should_not_fire_a_bow/ | {
"a_id": [
"dq8x7uv",
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"score": [
35,
7
],
"text": [
"Dry firing in archery refers to the loosing of the string of a bow or other weapon without ammunition, which should never be done. Without the arrow to absorb the energy, the energy is instead dissipated through vibration o... | [] | [] | [
[],
[]
] | ||
2ycjld | how do fingerprint recognition systems work? if you're dead, how long after could your fingerprint still work? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ycjld/eli5_how_do_fingerprint_recognition_systems_work/ | {
"a_id": [
"cp88kcx"
],
"score": [
3
],
"text": [
"Assuming your body doesn't decompose, your fingerprint remains the same after death. \n\nEdit: as far as scanners work, I know that Apple TouchID scanners work by looking at your fingerprint and turning its shape / lines into an equation. It the... | [] | [] | [
[]
] | ||
8grn6k | why do presidents and ceos typically resign after a controversy instead of staying or being fired? like for a example a while back the president of a university resigned after hate symbols appeared around the campus why didn’t he stay? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8grn6k/eli5_why_do_presidents_and_ceos_typically_resign/ | {
"a_id": [
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"score": [
30,
2,
5,
3,
3,
2
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"text": [
"So the reason for the departure is that it allows the institution to blame them and move on. The university can say \"It was the presid... | [] | [] | [
[],
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[],
[],
[],
[]
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lzyxm | why my crappy knee hurts when it rains | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/lzyxm/eli5_why_my_crappy_knee_hurts_when_it_rains/ | {
"a_id": [
"c2wyp0f",
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"score": [
6,
6
],
"text": [
"It has to do with air pressure. Low air pressure often brings rain as well as joint pain. [See this article](_URL_0_). ",
"It has to do with air pressure. Low air pressure often brings rain as well as joint pain. [See th... | [] | [] | [
[
"http://www.arthritis-treatment-and-relief.com/air-pressure-and-joint-pain.html"
],
[
"http://www.arthritis-treatment-and-relief.com/air-pressure-and-joint-pain.html"
]
] | ||
5eucfc | why do vaginas have lips and flaps. why isn't there just a hole like with an anus? (nsfw?) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5eucfc/eli5_why_do_vaginas_have_lips_and_flaps_why_isnt/ | {
"a_id": [
"daf6yo4",
"daf7bb4",
"daf7upl"
],
"score": [
11,
3,
4
],
"text": [
"The majora and minora labias are there to protect the vagina and they provide the lubrication during sex, here's a link [labia library](_URL_0_) ",
"When you're a fetus your genitals are determined... | [] | [] | [
[
"www.labialibrary.org.au/anatomy/"
],
[],
[]
] | ||
18aydt | agonist vs antagonist | What is an agonist, and what does it do? What is an antagonist, and what does it do? What would happen if you took both drugs (that affect the same type of receptors) at once? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/18aydt/agonist_vs_antagonist/ | {
"a_id": [
"c8d6yeb"
],
"score": [
3
],
"text": [
"Agonists attach to a site and activate it, antagonists lock to a site and do nothing.\n\nThe most common way to think of it is like a lock and key.\n\nIn your body you have *receptor sites*, these are the locks. There are certain chemicals that f... | [] | [] | [
[]
] | |
5ej39o | what is left and right? how would you explain left and right to me if i had no body? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ej39o/eli5what_is_left_and_right_how_would_you_explain/ | {
"a_id": [
"dacsnnf",
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"score": [
2,
2
],
"text": [
"Left and right are relative directions that require a frame of reference. You'd have to use an object to illustrate the difference between left and right.",
"If you had no body it'd be damn hard to explain a *lot* of stu... | [] | [] | [
[],
[]
] | ||
7qjb19 | if water is able to smooth rocks into pebbles over centuries, how come sand at a beach is still rough in shape? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7qjb19/eli5_if_water_is_able_to_smooth_rocks_into/ | {
"a_id": [
"dsq1ujj",
"dsqhtwr"
],
"score": [
12,
2
],
"text": [
"Sand is different all over the world, some is smoother than others. Some is fragments of coral and always building up so you get new bits of sand all the time and the buried bits never have a chance to get \"polished\".",
... | [] | [] | [
[],
[]
] | ||
2ux8dd | is popcorn considered a vegetable? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ux8dd/eli5_is_popcorn_considered_a_vegetable/ | {
"a_id": [
"coci24a",
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"score": [
3,
4,
4
],
"text": [
"No but the USDA once declared pizza to be a vegetable.",
"Corn, and popcorn is nutritionaly and botanically a grain. Sweet corn is sometimes considered a vegetable for culinary purposes",
"At it... | [] | [] | [
[],
[],
[]
] | ||
3o4lbl | what is a single advantage of banning breastfeeding in public? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3o4lbl/eli5_what_is_a_single_advantage_of_banning/ | {
"a_id": [
"cvty0jx",
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"score": [
5,
2,
2
],
"text": [
"Uptight, hypersensitive, sexually repressed people won't have to deal with the \"horror\" of seeing a boobie. That's my opinion, the rest of this is just an attempt to fool the stupid bot from removing ... | [] | [] | [
[],
[],
[]
] | ||
4yfhx9 | why aren't neighbourhoods built grid-style anymore? what are the benefits of crescents and cul de sacs? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4yfhx9/eli5_why_arent_neighbourhoods_built_gridstyle/ | {
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"score": [
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"text": [
"Subdivision layouts provide more privacy... | [] | [] | [
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[
"https://www.cmhc-schl.gc.ca/publications/en/rh-pr/tech/images/socio75-2.jpg"
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[]
] | ||
251fqp | why does it feel strange to leave your hands hanging by your sides when standing still | Every day when waiting for the bus or train, I see people are standing and no one is just hanging their hands by their sides. They're either playing with the phone, hands in the pockets, in their hoodies, arms folded, or cupped together. I always default to hands in the pockets without thinking about it. So why does it... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/251fqp/eli5_why_does_it_feel_strange_to_leave_your_hands/ | {
"a_id": [
"chcsv7n"
],
"score": [
2
],
"text": [
"It's a learned trait. In almost every social improvement course, they teach you to stand with your hands outside of your pockets. People are learned to close off their body language. This is one way we are accidentally taught that practice. I... | [] | [] | [
[]
] | |
5j4kvw | ada requires that there be elevators in public buildings with multiple stories. people are not supposed to use elevators in the event of a fire. are disabled people just supposed to be left to die if there is a fire in a tall building? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5j4kvw/eli5_ada_requires_that_there_be_elevators_in/ | {
"a_id": [
"dbdcro1",
"dbdlq01"
],
"score": [
11,
2
],
"text": [
"have you never been in a fire safety course in one of these buildings? \n\n1) the doors to the stairwells are fireproof/fire resistant for x number of minutes\n\n2) if you notice each floor has a landing that will seem larg... | [] | [] | [
[],
[
"http://usatoday30.usatoday.com/news/sept11/2001/12/19/usatcov-wtcsurvival.htm"
]
] | ||
2bqu3d | why are male animals more colorful and attractive in the animal world but it is the other way around for humans, where most attention for beauty is towards females? | Male peacocks, geese, and lions all make themselves more distinctive as ways to attract mates. Peacocks have lots of colors on their feathers, geese can have different colored heads, and male lions have manes. Female animals on the other hand, are more plain looking so they are attracted to beautiful males. Why is beau... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2bqu3d/eli5why_are_male_animals_more_colorful_and/ | {
"a_id": [
"cj7zv2e"
],
"score": [
6
],
"text": [
"Because female humans don't have to camouflage themselves with their nests in the bushes to hide from predators"
]
} | [] | [] | [
[]
] | |
1ywltt | why was the korean war not considered a united nations victory? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ywltt/eli5why_was_the_korean_war_not_considered_a/ | {
"a_id": [
"cfoe1tb"
],
"score": [
6
],
"text": [
"For one, it never ended. They are in a cease fire - not peace, and not unification. It ended at loggerheads and the creation of an insane DMZ and two different countries - one socialist/communist and one not. \nFor two. North Korea. Hows tha... | [] | [] | [
[]
] | ||
7gv0dt | what is that weird smell that comes off old guitar strings? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7gv0dt/eli5_what_is_that_weird_smell_that_comes_off_old/ | {
"a_id": [
"dqlvdvm",
"dqmcqpq"
],
"score": [
16,
3
],
"text": [
"Rotting skin and sweat stuck in the itty bitty cracks of the strings.\n\nMost strings are a material that doesn't rust or oxidize, like silver or stainless steel. That'll have a bit of a metallic smell, but everything else ... | [] | [] | [
[],
[
"http://www.nature.com/news/2006/061023/full/news061023-7.html"
]
] | ||
1mt5uo | what is plasma? how is it considered a fourth phase of matter? | As a followup question, is fire plasma? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1mt5uo/eli5what_is_plasma_how_is_it_considered_a_fourth/ | {
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"cccdsah",
"ccce08y",
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"score": [
55,
2,
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126
],
"text": [
"Plasma is essentially matter that has been given so much energy that its electrons are moving so fast that they fly off and you are left with the ionized remnants. It is consid... | [] | [] | [
[],
[],
[],
[]
] | |
blzxpr | during world war ii, how were american companies with investments in axis countries affected? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/blzxpr/eli5_during_world_war_ii_how_were_american/ | {
"a_id": [
"emspb0o",
"emsxsn5"
],
"score": [
3,
3
],
"text": [
"Generally speaking, they lost them.\n\nSome could be recovered to some degree after the war, but most of the Axis nations got bombed flat so there wasn't much left.\n\nFun fact: Fanta was invented by Coca-Cola Germany during... | [] | [] | [
[],
[
"https://www.reddit.com/r/AskHistorians/",
"https://www.reddit.com/r/AskHistory/"
]
] | ||
6lbg39 | who actually sets up and fires off the large fireworks shows for local cities? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6lbg39/eli5_who_actually_sets_up_and_fires_off_the_large/ | {
"a_id": [
"djsjxrz"
],
"score": [
4
],
"text": [
"Experts. Companies that do this, do nothing else but fireworks displays. The most famous fireworks company in the US is the one that does the Macy's display in NYC: [Grucci Fireworks.](_URL_0_)"
]
} | [] | [] | [
[
"http://www.grucci.com/home.html"
]
] | ||
6xyagq | if i pop an eye out, rotate it 45 degrees and pop it back in, what do i see? | Also, how do doctors know which rotation to pop the eye back in? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6xyagq/eli5_if_i_pop_an_eye_out_rotate_it_45_degrees_and/ | {
"a_id": [
"dmjcs7o",
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"dmjda3c",
"dmjdj83",
"dmjnw6a"
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"score": [
3,
6,
13,
3,
2
],
"text": [
"If you pop your eye out, there's a good chance you'll sever your optic nerve (the nerve that transmits info from your eye to your brain) and cause permanent ... | [] | [] | [
[],
[
"http://www.bartleby.com/107/illus889.html"
],
[
"https://www.theguardian.com/education/2012/nov/12/improbable-research-seeing-upside-down",
"http://www.magiceye.com/3dfun/stwkdisp.shtml"
],
[
"https://i.imgur.com/YOSdTYg.jpg",
"https://i.imgur.com/qlk5QlA.jpg"
],
[]
] | |
1c962l | why dr. who is so popular. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1c962l/eli5_why_dr_who_is_so_popular/ | {
"a_id": [
"c9e9h7k",
"c9e9nxu"
],
"score": [
7,
4
],
"text": [
"For pretty much the same reasons that Star Wars is popular. People enjoy escapist sci-fi space opera with good special effects.",
"High quality acting combined with a light, whimsical premise that allows for nearly endle... | [] | [] | [
[],
[]
] | ||
7hql9d | why are people constantly posting 30 second videos of a picture instead of just posting the picture on facebook? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7hql9d/eli5_why_are_people_constantly_posting_30_second/ | {
"a_id": [
"dqsz6aa"
],
"score": [
2
],
"text": [
"The only valid reason I can think of is that they want their images and videos to be in the same repository.\n\nBut there is rarely valid logic in Facebook."
]
} | [] | [] | [
[]
] | ||
2gaeed | the whole kim dotcom thing | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2gaeed/eli5_the_whole_kim_dotcom_thing/ | {
"a_id": [
"ckh6fp4",
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"ckhhitt",
"ckhimgs",
"ckhiq0i",
"ckhktla",
"ckhlcl4",
"ckhm0nw",
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"c... | [] | [] | [
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"www.mega.co.nz"
],
[],
[
"http://en.wikipedia.org/wiki/Kim_Dotcom"
],
[],
[
"http://en.wikipedia.org/wiki/Kim_Dotcom"
],
[
"http://www.theguardian.com/technology/2014/aug/17/kim-dotcom-megaupload-new-zealand-interview"
],
[],
[],
[],
[
"Letsbuyit.com"
]... | ||
2iadn1 | why are people so against eating candy and sweets early in the morning? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2iadn1/eli5why_are_people_so_against_eating_candy_and/ | {
"a_id": [
"cl0bcuo"
],
"score": [
5
],
"text": [
"This person is not at all opposed.\n\nPersonally, I've never let the time of day (or night) dictate what food was appropriate for me to consume.\n\nMy friends/wife/coworkers regularly give me shit about eating \"non-breakfast\" food in the mornin... | [] | [] | [
[]
] | ||
cr1nff | what makes a first edition book special? are there different kinds of first editions, where one is more valuable? | For example, I have a book I bought last year that says first edition by the ISBN. Does that make it one as defined when books sell for a crazy amount? Or is it restricted to a few of those first printed?
(I understand the way the numbers, age, and infamy okay into value) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cr1nff/eli5_what_makes_a_first_edition_book_special_are/ | {
"a_id": [
"ex162r6",
"ex1b2t9"
],
"score": [
6,
3
],
"text": [
"Think of it similar to \"rookie cards\" in card collecting. They are special because there is only 1 first edition, just as a player will only have one rookie season and during that season their cards often aren't sought aft... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Printer%27s_key"
]
] | |
27gret | how can open sourced encryption algorithms be safe from hackers? (i.e. bitcoin) | Couldn't you just reverse engineer the source code ? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/27gret/eli5_how_can_open_sourced_encryption_algorithms/ | {
"a_id": [
"ci0mwo1",
"ci0mwrj",
"ci0mxj2",
"ci0nu0q"
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"score": [
2,
10,
5,
2
],
"text": [
"The point is that an open source system can be examined and tested by the community to find flaws. A closed one can't be. There could be any number of glaring flaws in the system ... | [] | [] | [
[],
[],
[],
[]
] | |
1w1f51 | reducing the resolution and dpi of an image increases the file size. wtf? | _URL_0_
Please help! I don't get it. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1w1f51/eli5_reducing_the_resolution_and_dpi_of_an_image/ | {
"a_id": [
"cexseov",
"cexsuxa",
"cexsvv3",
"cextctx",
"cexv0gn"
],
"score": [
2,
6,
10,
4,
7
],
"text": [
"What program did you use? Post a link to the original image.",
"It's likely that the compression algorithm used by the software that you used to reduce t... | [] | [
"http://imgur.com/TjnU3fM"
] | [
[],
[],
[
"http://en.wikipedia.org/wiki/JPEG"
],
[
"Paint.Net"
],
[]
] | |
2jsn1n | i have had anosmia (no sense of smell) for as long as i can remember. how does this occur and does it change other senses? | Is anosmia something you are born with? Or does it develop over time? Also I know that eating food uses taste and smell does this change the way I taste food? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2jsn1n/eli5_i_have_had_anosmia_no_sense_of_smell_for_as/ | {
"a_id": [
"clepm0r"
],
"score": [
2
],
"text": [
"It certainly will affect how you taste food. I'm sure there was a trick where you blindfold someone, get them to hold their nose and give them a slice of apple and a slice of onion, and they'll find it hard to tell the difference. \nNow to you, y... | [] | [] | [
[]
] | |
mpapn | paypal, how it works, if it's trustworthy/worthwhile and should i get it? | I'm considering selling my old computer over eBay, but I need a payment method for my potential buyer. Is PayPal a safe choice? I've heard many, many bad things about it, such as not being allowed to access money from transactions until as much as a week later. Has anyone used it and had a poor experience or a good exp... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/mpapn/eli5_paypal_how_it_works_if_its/ | {
"a_id": [
"c32qt1i",
"c32qyz7",
"c32rvke",
"c32tla3",
"c32qt1i",
"c32qyz7",
"c32rvke",
"c32tla3"
],
"score": [
6,
4,
2,
2,
6,
4,
2,
2
],
"text": [
"PayPal *is* \"safe.\" But they're also assholes *if* something goes wrong.\n\nMaybe check ou... | [] | [] | [
[
"https://www.dwolla.com/default.aspx"
],
[],
[],
[],
[
"https://www.dwolla.com/default.aspx"
],
[],
[],
[]
] | |
2ty6o1 | the tennis world ranking system | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ty6o1/eli5_the_tennis_world_ranking_system/ | {
"a_id": [
"co3dtdw"
],
"score": [
3
],
"text": [
"there are 19 different kinds of tournaments that are part of the ranking system, each is awarded a value.\n\nFor example. winning a grand slam tournament is worth 2000 points, but merely qualifying is already 25 points. and winning a Futures 10,0... | [] | [] | [
[]
] | ||
157y5k | what happens if you're driving in your car at the speed of light and you turn your headlights on? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/157y5k/what_happens_if_youre_driving_in_your_car_at_the/ | {
"a_id": [
"c7k1zz7",
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"c7k3dz6",
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47,
3,
2,
6
],
"text": [
"There's no real answer, because according to everything we know about physics right now, it is impossible for you to travel at the speed of light. Physics ca... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
7k2gpd | why do we see things that happened so long ago when we look out into the universe? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7k2gpd/eli5_why_do_we_see_things_that_happened_so_long/ | {
"a_id": [
"drb1d6s"
],
"score": [
2
],
"text": [
"Because light takes time to travel. \n\nThink of a firework. You see the light, and a second or two later you hear the bang. The bang happened a few seconds ago, but you're hearing it now. \n\nIt's the same with distant stars and their light. The... | [] | [] | [
[]
] | ||
f2p8a6 | why is distilled water considered not drinking water? maybe it isn't optimal, but how would pure water be actually harmful? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f2p8a6/eli5_why_is_distilled_water_considered_not/ | {
"a_id": [
"fhdv5zz",
"fhdv6kk",
"fhdymdh"
],
"score": [
9,
6,
2
],
"text": [
"No minerals. Need them electrolytes and whatnot. Technically helps to dehydrate you if you drink too much distilled water by leeching minerals from your system.",
"here you go\n\n_URL_0_",
"This... | [] | [] | [
[],
[
"https://www.reddit.com/r/explainlikeimfive/comments/eulclu/eli5_how_is_drinking_distilled_water_bad_for_you/"
],
[]
] | ||
3cure4 | what exactly is the issue with money in politics? | Pardon me if this question isn't quite direct, as I'm having a difficult time phrasing it correctly. I've heard a lot about campaign financing, and while on the surface the concept of candidates having more money than others sounds unfair, I can't quite pinpoint why, once I apply what I know about how that money is uti... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3cure4/eli5_what_exactly_is_the_issue_with_money_in/ | {
"a_id": [
"csz83gb"
],
"score": [
2
],
"text": [
"The issue isn't really money in politics. The issue is a disproportionate amount of money coming from select special interests. Compared to how much money this country spends advertising toothpaste or cars or beer, the Presidential election cyc... | [] | [] | [
[]
] | |
1q9v6e | is it possible to die from old age, and old age only? | You hear about deaths of old age, but are those really directly caused by old age, or is it that old age weakened the body which led to a heart attack, stroke, or some other cause? If you are perfectly healthy but very old, will your body ever shut down on its own with no other causes? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1q9v6e/eli5_is_it_possible_to_die_from_old_age_and_old/ | {
"a_id": [
"cdanuzn",
"cdao443"
],
"score": [
2,
3
],
"text": [
"You don't just die from time. \n\nHowever with time your cells are losing their capability to copy themselves flawlessly. Having flawed cells, or bad repairs, at vital places in your body, is what is then causing issues like... | [] | [] | [
[],
[]
] | |
14zq80 | why is a day 24 hours as opposed to any other number? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/14zq80/eli5_why_is_a_day_24_hours_as_opposed_to_any/ | {
"a_id": [
"c7hxr9a",
"c7hxzmx",
"c7hyimw",
"c7hzsyd",
"c7i5n9s"
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"score": [
14,
2,
5,
3,
2
],
"text": [
"It's by convention. 12 was thought to be significant because of the number of lunar cycles in the year. _URL_0_",
"Because, when they invented the first ... | [] | [] | [
[
"http://en.m.wikipedia.org/wiki/Hour#section_2"
],
[],
[],
[
"http://www.youtube.com/watch?v=U6xJfP7-HCc"
],
[]
] | ||
avsueg | why "righty-tighty, lefty-loosy" does not apply to twist-ties, like the ones on the bag covering a loaf of sliced bread, which are almost always wound backwards (turn clockwise to undo). | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/avsueg/eli5_why_rightytighty_leftyloosy_does_not_apply/ | {
"a_id": [
"ehhgyxh",
"ehhnbm1",
"ehhxth9"
],
"score": [
6,
2,
2
],
"text": [
"Nuts and Bolts need complimentary spirals to work properly, so the relevant industries and their manufacturers have all decided on a \"Righty Tighty\" standard. \n\nTwist Ties are glorified bits of str... | [] | [] | [
[],
[],
[]
] | ||
ews1o3 | how does the commentary in fifa games work? | How do the lines get generated in a particular sequence? Are the sentences recorded individually? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ews1o3/eli5_how_does_the_commentary_in_fifa_games_work/ | {
"a_id": [
"fg3zwla"
],
"score": [
7
],
"text": [
"I mean if you were to think about it, there are really only a finite amount of possible situations in a football match. So long as you have a player and an action, and prerecord all of the possible player names and actions, it becomes more realis... | [] | [] | [
[]
] | |
397a7v | why has digital technology so quickly outpaced medical, transportation, and pretty much every other technology? | The world is vastly different from when I was a kid in only one way--digitally (smart phones, the internet, augmented reality, etc.). Why hasn't other technology kept pace? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/397a7v/eli5_why_has_digital_technology_so_quickly/ | {
"a_id": [
"cs0y08n"
],
"score": [
2
],
"text": [
"The other techs have kept up. We have cars with GPS and 4G network connectivity. We have robots that use lasers for surgery. Some things just aren't as obvious as smart phones and the internet. "
]
} | [] | [] | [
[]
] | |
6sanl0 | those "we buy houses" signs on street lamps do they actually buy your home or is it all a scam? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6sanl0/eli5those_we_buy_houses_signs_on_street_lamps_do/ | {
"a_id": [
"dlbbc4e",
"dlbbf2z",
"dlbcopa",
"dlbffmx",
"dlbiolh"
],
"score": [
6,
123,
2,
2,
7
],
"text": [
"I know one company (open door) flips them after paying cash to the owners under their true market value. Their flips are thrown on the market in Phoenix, Ve... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
zxv5b | why does major league baseball play so many more games per season than the national football league? it seems both games take about the same time on average. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/zxv5b/eli5_why_does_major_league_baseball_play_so_many/ | {
"a_id": [
"c68n7q6",
"c68ocn9"
],
"score": [
8,
3
],
"text": [
"Recovery time. Football is much more physical and the players need more down time. ",
"Football is a lot harder on the body. Football players, even the most athletic ones, can really only handle one game per week, over ... | [] | [] | [
[],
[]
] | ||
49l64a | how do facebook videos have so many views? | Almost any time I click on a link to a Facebook video, its view count seems so much higher than a comparable Youtube video would have (save for Music videos). | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/49l64a/eli5_how_do_facebook_videos_have_so_many_views/ | {
"a_id": [
"d0sorzj",
"d0spb9g"
],
"score": [
2,
14
],
"text": [
"Auto-play is on by default. Most people don't turn it off. One of the many tactics used to increase add revenue. ",
"Because, as Hank Green so eloquently put it, [they cheat, they lie and they steal](_URL_0_).\n\nBasica... | [] | [] | [
[],
[
"https://medium.com/@hankgreen/theft-lies-and-facebook-video-656b0ffed369"
]
] | |
3l650z | how do undercover police "hitmen" meet their murder for hire suspect? | I was watching a few vids on youtube of undercover cops pretending to be hitmen. They record women trying to hire someone to kill their husband. I was just wondering how it is that they end up hiring an undercover officer? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3l650z/eli5_how_do_undercover_police_hitmen_meet_their/ | {
"a_id": [
"cv3gif7",
"cv3h0u0",
"cv3i0ry",
"cv3s5q0"
],
"score": [
13,
3,
9,
4
],
"text": [
"I don't understand what you mean.\n\nHow is that they find these \"hitmen\" to supposedly hire?\n\nOr are you asking how they find police to go undercover as the supposed hitmen?\... | [] | [] | [
[],
[],
[],
[]
] | |
3i6939 | why the stock markets are crashing today? how is china's devaluing of its currency contributing to this? i remember a new article a year ago that said the us wanted china to devalue it currency to reflect its economy more accurately. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3i6939/eli5why_the_stock_markets_are_crashing_today_how/ | {
"a_id": [
"cue17vl",
"cuektk9"
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"score": [
2,
2
],
"text": [
"I don't understand it either. Most of what I read says it's due to them not being able to import as much American goods in the future. However, I see it as Chinese labor just went on sale and our markets should be up.",
... | [] | [] | [
[],
[]
] | ||
2f2gtf | why do we still use infantry when we have drones and advanced missile technology? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2f2gtf/eli5_why_do_we_still_use_infantry_when_we_have/ | {
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"text": [
"Why wouldn't we? It doesn't matter how much you blow something up if you don't actually walk in and occupy it.",
"Because a missile... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | ||
c99elo | how do electric circuits work? | I’ve always been very mechanically minded, although when it comes to electronics and circuits, I’m baffled.
How can pieces of silicon and metal make my computer turn on, to being able to run games and programmes? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/c99elo/eli5_how_do_electric_circuits_work/ | {
"a_id": [
"esumumw",
"esumz3q",
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"score": [
3,
3,
15
],
"text": [
"Certain materials called conductors or semiconductors can make electrons \"flow\" at the molecular level. As a very basic example imagine water going through a hose. This doesn't apply to all electrica... | [] | [] | [
[],
[],
[]
] | |
66amo5 | what is the limit of space travels for humans right now? | I mean what distance can we pass with current technology and will be limit for space travels ever exceeded?
I'm gonna be grateful for every reply :) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/66amo5/eli5_what_is_the_limit_of_space_travels_for/ | {
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"text": [
"very very limited. \n\nspace outside of Earth's atmosphere is dangerous. this is where the ISS is. primary danger is micrometeoroids that can puncture. \n basically putting y... | [] | [] | [
[],
[
"http://www.dailymail.co.uk/sciencetech/article-3587882/What-happens-tiny-fleck-paint-hits-space-station-Tim-Peake-reveals-crack-ISS-window-debris-collides-craft.html"
],
[],
[]
] | |
byxg4v | how does microsoft and sony compete with similar specs? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/byxg4v/eli5_how_does_microsoft_and_sony_compete_with/ | {
"a_id": [
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"text": [
"They both have a similar release date in mind since you don't want to come out too far after your competition and 3rd party developers want to know when to start making higher end games. As well they h... | [] | [] | [
[],
[],
[]
] | |
4gl3at | the iraq war seems to be widely regarded as a mistake. why was the u.s. so motivated to get involved at that time? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4gl3at/eli5_the_iraq_war_seems_to_be_widely_regarded_as/ | {
"a_id": [
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"text": [
"The main reason prior to entering the war was the U.S. state department's theory that Saddam Hussein possessed weapons of mass destructions (WMDs) and would use these WMDs on his enemies such as Israel, or sell them to terro... | [] | [] | [
[],
[]
] | ||
5423ro | when watching movies, why at the time so special effects seem so real, but then after watching more realistic effects, then going back and watching the other movie again do they seem so fake? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5423ro/eli5_when_watching_movies_why_at_the_time_so/ | {
"a_id": [
"d7y9hkz"
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"score": [
3
],
"text": [
"Because you have something to compare it to. Also, re-watching CGI makes flaws much more noticable than during the 1^st showing."
]
} | [] | [] | [
[]
] | ||
8ez81n | what happens to your body when you get numb? specifically cold though water. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8ez81n/eli5_what_happens_to_your_body_when_you_get_numb/ | {
"a_id": [
"dxzb79z",
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"score": [
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8
],
"text": [
"When the environment you are in is cold, the blood veins on the outside of your body contract to prevent too much heat loss. But by doing that, it will deprive the cells on the outside, including the receptors there, from th... | [] | [] | [
[],
[]
] | ||
2c572m | are you necessarily "healthy" if you are built and have large muscles? | What does the doctor mean when she says that I'm "healthy? I always thought cardio exercise was "healthy" because it works out your heart the most. I don't see how weight lifting can benefit you in any way other than give you muscles for cosmetic purposes. Also, does yoga do your body any good compared to running or we... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2c572m/eli5_are_you_necessarily_healthy_if_you_are_built/ | {
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"score": [
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31,
2,
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3,
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"text": [
"It's rare that people will have only exercised for power or \"gains\... | [] | [] | [
[],
[],
[
"http://io9.com/5953154/why-getting-physically-stronger-will-help-you-to-live-longer"
],
[],
[],
[
"http://www.livestrong.com/article/84419-health-benefits-muscular-strength-/>"
],
[],
[],
[]
] | |
2vlxa7 | why can i tell how full a container is by the pitch of the liquid that is falling in it. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2vlxa7/eli5_why_can_i_tell_how_full_a_container_is_by/ | {
"a_id": [
"coiu5u7"
],
"score": [
3
],
"text": [
"As you add water to the container, the resonant cavity gets smaller and smaller, meaning the natural frequency gets higher and higher."
]
} | [] | [] | [
[]
] | ||
1srca2 | why aren't mirrors a cure for nearsightedness? | When I look in a mirror, all the images I see are right in front of me, displayed on the mirror, sometimes four inches away from my face depending on how close I get to it. I can see things from this distance perfectly fine; my short-range vision is superb.
However, when I look through a mirror at images of things whi... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1srca2/eli5_why_arent_mirrors_a_cure_for_nearsightedness/ | {
"a_id": [
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"score": [
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2,
2,
2
],
"text": [
"It is just reflecting light, a mirror is not a lense so what you see in it is what you would normally see.",
"the light still travels the same distance, it doesn' t just appear... | [] | [] | [
[],
[],
[],
[]
] | |
2sb9nh | what awas the original cocktail? and why/how was it invented?? | If you have any details regarding the story behind it, it would be great. Plus I wanna drink this so… | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2sb9nh/eli5_what_awas_the_original_cocktail_and_whyhow/ | {
"a_id": [
"cnnuv0q"
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"score": [
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],
"text": [
"The answer to this is unknown. According to [Wikipedia](_URL_0_):\n\n > The Oxford English dictionary cites the word as originating in the U.S. The first recorded use of the word cocktail as a beverage (possibly non-alcoholic) in the United Stat... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Cocktail#Etymology"
]
] | |
bi5bsj | what is my body doing with caffeine free diet cola? | With no sugar or caffeine is my body actually using anything besides the water? What happens to the rest of the ingredients and do they have any negative effects? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bi5bsj/eli5_what_is_my_body_doing_with_caffeine_free/ | {
"a_id": [
"ely66s0"
],
"score": [
3
],
"text": [
"There are usually some salts and small amounts of other minerals your body can make use of, but most of what's in there is just coming right out the other end."
]
} | [] | [] | [
[]
] | |
7udu6s | why are there still around 20 cases of polio per year? why not zero, or thousands? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7udu6s/eli5_why_are_there_still_around_20_cases_of_polio/ | {
"a_id": [
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2
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"text": [
"There are not thousands because the vaccine is cheap, safe, effective, and widespread.\n\nThere are not zero because there are some parents who do not vaccinate their children. This is especially a problem in areas where the... | [] | [] | [
[],
[]
] | ||
2hq0hc | what determines your vocal range? as in, why can some people cover multiple octaves when a typical range is only 1.5? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2hq0hc/eli5_what_determines_your_vocal_range_as_in_why/ | {
"a_id": [
"ckv0525"
],
"score": [
3
],
"text": [
"Your voice box is a controllable resonant cavity. By changing the stiffness and shape of the cavity, you can change the resonant frequency and thus what sounds are emitted. Blowing air through your voice box introduces broad band sound energy, bu... | [] | [] | [
[]
] | ||
71hok2 | what causes an engine (in a manual transmission car) to stall when trying to drive away? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/71hok2/eli5_what_causes_an_engine_in_a_manual/ | {
"a_id": [
"dnatagd"
],
"score": [
2
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"text": [
" > But I still don't understand what causes the engine to actually stall, and how the various techniques prevent that.\n\nAn engine uses the force of burning gasoline to in turn compress more air and gasoline for combustion. The excess force of ... | [] | [] | [
[]
] | ||
6mytm9 | how do share prices actually change in real time? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6mytm9/eli5_how_do_share_prices_actually_change_in_real/ | {
"a_id": [
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"score": [
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"text": [
"There is no \"algorithm\". The share price listed is simply the last price that a trade was executed at. It doesn't have any deeper meaning on the face, its just a general indicator of the amount that last transaction occurred at.\n\nAny buyer ... | [] | [] | [
[]
] | |
ernysc | why are cpus sold as chips and gpus sold as graphics cards? | In desktop PCs, basically all CPUs are just the chips which you can then place on the motherboard. GPUs are sold as graphics cards like the 2080 Ti. Why is this and what is the purpose? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ernysc/eli5_why_are_cpus_sold_as_chips_and_gpus_sold_as/ | {
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"text": [
"There aren't many cpu makers, and motherboard companies follow cpu regulations/data sheets when drafting their designs. They also incorporate some rarely changing standards, like ddrX ram slots, pcie co... | [] | [] | [
[],
[],
[]
] | |
7fqeaa | why sampling in music is generally acceptable while plagiarism in written works is such a big deal. | Why is it that a musician can sample large portions of someone else's song while an author cannot take a portion of someone else's written work? If the resulting work is sufficiently different and has a recognizable source, what's the big deal? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7fqeaa/eli5_why_sampling_in_music_is_generally/ | {
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"text": [
"In both cases, only a very tiny sample is acceptable, and even then, if it forms a key part of the resulting work, the original creator... | [] | [] | [
[],
[],
[],
[],
[
"https://en.wikipedia.org/wiki/Legal_issues_surrounding_music_sampling"
],
[]
] | |
n1ot6 | how southwest airlines hedges their fuel expenses? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/n1ot6/eli5_how_southwest_airlines_hedges_their_fuel/ | {
"a_id": [
"c35lb5b",
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"score": [
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7
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"text": [
"Fuel Hedging is a contractual tool some large fuel consuming companies, such as airlines, use to reduce their exposure to volatile and potentially rising fuel costs. A fuel hedge contract allows a large fuel consuming compan... | [] | [] | [
[],
[]
] | ||
2jp1yj | why are some guns "effective" at medium to long range, but considered not "effective" at short rage? | Say a rifle has a effective range of medium to long, but not short/close? The round would still have kinetic energy to penetrate the target. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2jp1yj/eli5_why_are_some_guns_effective_at_medium_to/ | {
"a_id": [
"cldqec2"
],
"score": [
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"text": [
"Let's take an extreme example: a .50 cal sniper rifle. That thing is super heavy, is slow to reload, and has a huge long barrel. Now imagine you're inside a house. That barrel would keep bumping into things, the weight really isn't made to be ca... | [] | [] | [
[]
] | |
1i45rl | abenomics and japan | I'm really into international politics and keeping my finger on the pulse of things in that regard, but I lack the knowledge of Economics to understand the more complex aspects of it. Abenomics, as you know if you're answering, is one of the biggest issues in relation to Japan, but I can't begin to understand what deci... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1i45rl/eli5_abenomics_and_japan/ | {
"a_id": [
"cb0t6sv"
],
"score": [
3
],
"text": [
"Abenomics has one goal: to increase *private* investment. So all policies are aimed towards this goal. There is also the fact that China took over Japan's spot as the second largest economy. That lends more of a personal reason to invigorate the ... | [] | [] | [
[]
] | |
28m1ox | are all humans related? | Do we all come from an original source even with the huge geological barriers such as oceans or did humans all just evolve in different locations? Am I a distant cousin with anyone else or even other species? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/28m1ox/eli5are_all_humans_related/ | {
"a_id": [
"cic7dlc"
],
"score": [
10
],
"text": [
"Yes, all humans are descended from a common human population. Furthermore, all life on Earth is related by common descent. Go far enough back and your lineage merges with that of cows, or clams, or trees, or mushrooms."
]
} | [] | [] | [
[]
] | |
4g1ht0 | with all the cancer research, public education and millions of deaths, why do so many people still pick up smoking cigarettes as a ling term habit? | I will say, I did smoke for almost 6 years, from 16 to 22, and have not touched one since (I'm in my 30's now). My reasoning then was "why not, I can always quit", mostly because I had no role models or adult figures in my life really paying any attention, and I was a bit self destructive... even then, I knew it was ba... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4g1ht0/eli5_with_all_the_cancer_research_public/ | {
"a_id": [
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"score": [
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2,
2,
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"text": [
"Because for a long time (and probably still is), smoking is cool. Thi... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[
"https://en.wikipedia.org/wiki/Micromort",
"http://www.nytimes.com/2016/03/06/opinion/sunday/can-nicotine-be-good-for-you.html?_r=0"
],
[]
] | |
98m5ie | why do leds light up instantly while incandescent bulbs turn on with a fade | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/98m5ie/eli5_why_do_leds_light_up_instantly_while/ | {
"a_id": [
"e4h1ay1",
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"score": [
11,
8
],
"text": [
"Incandescent bulbs use Tungsten filament which emits light at high temperature. The electric current heats up the filament and it takes a second for that to happen. Once heated up, it emits light.",
"And why are LEDs in... | [] | [] | [
[],
[]
] | ||
929jpf | how antivirus sandboxes works, if it does at all? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/929jpf/eli5_how_antivirus_sandboxes_works_if_it_does_at/ | {
"a_id": [
"e34cutx"
],
"score": [
3
],
"text": [
"It's like parents putting a child onto a room from which it can't get out, a child can destroy stuff in that room, and do damage, but house is safe. Then you take a child out and parents fix the damage in the room.\n\nEdit: There are chances that... | [] | [] | [
[]
] | ||
zvdz1 | why does winrar say it has a 40 day trial yet, never runs out? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/zvdz1/eli5_why_does_winrar_say_it_has_a_40_day_trial/ | {
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"text": [
"Damn I hope someone answers this one. ",
"Great question - I wonder if anybody actually pays for it?",
"Because fuck WinZip.\n\nThat's why!",
"w... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
3ai5dc | how did banana peels get the bad reputation of being slippery? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3ai5dc/eli5_how_did_banana_peels_get_the_bad_reputation/ | {
"a_id": [
"csctwgc"
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"score": [
3
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"text": [
"Their reputation came from widespread use in early Slapstick routines but Mythbusters showed that they are actually slippery (if you have a whole floor of them anyway). _URL_0_"
]
} | [] | [] | [
[
"https://www.youtube.com/watch?v=84rIcFwp3Z4"
]
] | ||
52kphj | how can a usb transfer power and transfer data? how does it know which one to do? | Also, I feel like if it's constantly pumping out power, if I plug in something that doesn't need power like a USB, it would fry it.
How does it know if it should charge something (like a Bluetooth headset), transfer data to it (USB) or both (cellphone)? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/52kphj/eli5_how_can_a_usb_transfer_power_and_transfer/ | {
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"text": [
"There are power and data lines inside the cable. When a usb cord is plugged in, the two devices tell each other what they are using the data transfer part of the cable. If one says... | [] | [] | [
[],
[],
[],
[]
] | |
8idox2 | why updating my game doesn’t increase the amount of storage it uses | So I’ve had Fortnite on my Xbox for a really long time now. And when I first installed it, it was about 9 GB. Every week there is a 1-9 GB update and every couple months a really big one.
How come after all this time the amount of storage it takes is only about 15GB instead of something like 80GB. Please explain | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8idox2/eli5_why_updating_my_game_doesnt_increase_the/ | {
"a_id": [
"dyqwlg4"
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"score": [
11
],
"text": [
"Because the updates *replace* some of the existing components, rather than simply being added to them.\n\nIt might be that there's a bug in some of the code, so that buggy code gets thrown out and new code gets put there instead without the bug.... | [] | [] | [
[]
] | |
1wma0g | why (near) perpetual motion car is not possible. | Since perpetual is assumed impossible, why could we still not use alternators, solar and wind power to power an electric car to make the battery stay charged longer, not indefinitely?
| explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1wma0g/eli5_why_near_perpetual_motion_car_is_not_possible/ | {
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"score": [
2,
2,
2
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"text": [
"Solar and wind power generation aren't very efficient, so you're not talking about that much capacity on a car sized implementation -- not enough power generated to make it worth it.",
"Wind, in par... | [] | [] | [
[],
[],
[]
] | |
1z373n | how can using a public wi-fi signal be dangerous for security on your devices? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1z373n/eli5_how_can_using_a_public_wifi_signal_be/ | {
"a_id": [
"cfq2s1w",
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"score": [
2,
5,
3
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"text": [
"They can hack your computer by spoofing webpages that will download malware or phish. They can access your personal computer a lot easier without having to deal with ports and such because you are conne... | [] | [] | [
[],
[],
[
"http://www.techweekeurope.co.uk/news/european-parliament-wi-fi-man-in-the-middle-attack-132795",
"http://en.wikipedia.org/wiki/Man-in-the-middle_attack"
]
] | ||
42vsh7 | does anyone know why some penguins 'commit suicide'? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/42vsh7/eli5_does_anyone_know_why_some_penguins_commit/ | {
"a_id": [
"czdjunt",
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3,
2,
2
],
"text": [
"Its only be observed, nobody quite knows why this behavior happens. Penguins are socialble birds, it is believed they experience depression after a loss of a mate and a mix of that, and disorientation w... | [] | [] | [
[],
[],
[]
] | ||
4cgmer | why are laptop prices still so high? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4cgmer/eli5_why_are_laptop_prices_still_so_high/ | {
"a_id": [
"d1hyp51"
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"score": [
3
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"text": [
"That's really not the case. Just from a quick search on NewEgg, There are 14\" Lenovo Thinkpads (i5 6200U, 4GB RAM, 1TB HD, 1080P screen) for $499.\n\nIt's also worth noting that comparing a 2.3ghz i5-6200U is not an apples-to-apples to the i5-24... | [] | [] | [
[]
] | ||
21f50j | why do partially charged devices believe themselves to be more charged than they really are? | My cell phone takes about 30 minutes to charge. If I unplug it after 10, it will show maximum charge bars. Then, a couple hours later, it will come to its senses and show the actual amount of charge that it received.
I feel like a similar phenomenon has been happening ever since first seeing rechargeable appliances in... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/21f50j/eli5_why_do_partially_charged_devices_believe/ | {
"a_id": [
"cgcg9oj"
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"score": [
2
],
"text": [
"The charge \"percent\" is only an rough guess. Phones use lithium ion batteries that start at 4.2volts fully charged and will shut down around 3-3.4 volts depending on the type and usage(usually 3.3v). The reason the guestimation is rough is a co... | [] | [] | [
[]
] |
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