q_id stringlengths 5 6 | title stringlengths 3 301 | selftext stringlengths 0 39.2k | document stringclasses 1
value | subreddit stringclasses 3
values | url stringlengths 4 132 | answers dict | title_urls list | selftext_urls list | answers_urls list |
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lgcbr | How does current flow in two phases from a three phase system without a neutral? | As an electrical apprentice, I'd really like to know what is going on with voltage and current in this type of system. I've asked teachers and journeyman, but their responses boil down to, "it just works."
I understand using a single phase with a neutral, and I have a decent but not strong idea of three phase. Using ... | askscience | http://www.reddit.com/r/askscience/comments/lgcbr/how_does_current_flow_in_two_phases_from_a_three/ | {
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"The 120V refers to [RMS](_URL_3_) rather than peak voltage. For sinusoidal electrical power, they are related as follows:\n\n V_RMS = V_peak / sqrt(2)\n\nwhere *sqrt(2)* is the square root of 2. So a 120V phase actually... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Ohm%27s_law",
"http://i.imgur.com/Zq0yn.png",
"http://en.wikipedia.org/wiki/Power_factor",
"http://en.wikipedia.org/wiki/Root_mean_square"
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"http://en.wikipedia.org/wiki/Ohm%27s_law",
"http://i.imgur.com/Zq0yn.png",
"http://en.wikipedia.org/wiki/Po... | |
23dls7 | Why did the practice of Astrology go from being practiced by Popes and Kings to considered witchcraft in the Christian world? | The Bible makes several references to practicing Astrology to detect holy events, including the Magi finding Jesus, and David predicting the future. It seems like god is directly endorsing astrology, yet today it is considered satanic or an evil act by many Christian practitioners. What caused this shift?
Edit: I'm no... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/23dls7/why_did_the_practice_of_astrology_go_from_being/ | {
"a_id": [
"cgw0lb2"
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"text": [
"The phrasing of the question makes an argument which is not true: that astrology 'equaled' witchcraft at some point in time. This was never the case, at least in a European-North American context.\n\nThe first point, about witchcraft: astrology w... | [] | [] | [
[]
] | |
2jbb2o | why is task manager more effective and faster rather than pressing the x or alt + f4 when something freezes? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2jbb2o/eli5why_is_task_manager_more_effective_and_faster/ | {
"a_id": [
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"Because being able to end a program that won't exit by normal means is one of the features of the Task Manager. \n\nWhether you hit X on a program window or press alt+f4 you are essentially asking the program: \"will you pl... | [] | [] | [
[],
[]
] | ||
5kyqy9 | How good of a military leader was Pancho Villa? | [deleted] | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5kyqy9/how_good_of_a_military_leader_was_pancho_villa/ | {
"a_id": [
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"text": [
"Villa had a lot of success early on with enthusiastic cavalry charges. He brought a lot of charisma to his command, was an excellent horseman and an excellent judge of horses, and could add mobility to his already mobile troops by putting them o... | [] | [] | [
[]
] | |
2gzx18 | When an atom undergoes alpha decay, does it lose electrons and stay neutral or keep them and become an anion? | In alpha decay, an atom loses two protons right? Assuming it was neutral beforehand, will it lose two electrons to stay neutral? | askscience | http://www.reddit.com/r/askscience/comments/2gzx18/when_an_atom_undergoes_alpha_decay_does_it_lose/ | {
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"text": [
"I came here with the idea that I was gonna answer your question, but then I thought about it and realised I didnt know the answer! \n\nIt is a very good question and something that most people would never consider (myself in... | [] | [] | [
[
"http://scienceline.ucsb.edu/getkey.php?key=215"
],
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] | |
45z0j4 | Are there any potential ways to modify the human eye to see more of the electromagnetic spectrum? | We only see a small piece of the electromagnetic spectrum. Is it even possible for man to potentially see more? If that is a possibility, how might technology expand the visible spectrum of light? | askscience | https://www.reddit.com/r/askscience/comments/45z0j4/are_there_any_potential_ways_to_modify_the_human/ | {
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"text": [
"Theoretically, this is absolutely possible. You take an opsin protein from another species, or one engineered to respond to a specific wavelength, you find out it's genetic code, ... | [] | [] | [
[],
[
"http://www.komar.org/faq/colorado-cataract-surgery-crystalens/ultra-violet-color-glow/"
],
[],
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4aq1w5 | why do we have state troopers and municipal cops? | Why do we have state troopers and municipal cops? Can't we just have municipal cops patrol the the highways and allow them to chase criminals into other towns?
Or alternatively call them "highway patrolman" instead of state troopers... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4aq1w5/eli5_why_do_we_have_state_troopers_and_municipal/ | {
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"text": [
"They have different jurisdictions and enforce different laws. \n\nMuni cops are responsible for the city and enforcing city ordinances. They'll pull you over ... | [] | [] | [
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7h2wy8 | can cycling in a well insulated room noticeably heat up the room? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7h2wy8/eli5_can_cycling_in_a_well_insulated_room/ | {
"a_id": [
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"text": [
"Yes. This is clearly evident when you get a large number of people exercising in an enclosed, insulated space.\n\nI remember Basic Training, ~40 people in a room doing Iron Mike's until the walls dripped with the excess mois... | [] | [] | [
[],
[]
] | ||
3z8woo | how propeller aircraft engines with different horsepowers but same rev speed make difference? | Let's say same aircraft is running with 200 hp engine at 3500 rpm. How would same aircraft affected if we run it with 400 hp engine at 3500 rpm? I am trying to understand how high power makes it faster while propeller speed is same. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3z8woo/eli5how_propeller_aircraft_engines_with_different/ | {
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"text": [
"If you put the same propeller on two engines with different power, it will run at two different rpm's (speeds).\n\nTo run the weaker engine at the same rpm as the stronger engine, ... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Vought_F4U_Corsair#Engine_considerations"
],
[],
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"http://design.designmuseum.org/media/item/5233/-1/149_2Lg.jpg"
]
] | |
456iub | how does emptying the recycle bin on your computer work? | What happens to the files? Where do they go? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/456iub/eli5_how_does_emptying_the_recycle_bin_on_your/ | {
"a_id": [
"czvk2zz",
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"score": [
10,
29
],
"text": [
"They stay right where they are! Sort of anyway. When you have a file on your computer, there is sort of a flag for the sector of memory containing that file saying \"do not write here. This bit contains a file\". When you ... | [] | [] | [
[],
[]
] | |
eysvz8 | [NSFW] - Did sexual positions evolve independently across multiple cultures, or can we trace certain positions from one culture to the next? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/eysvz8/nsfw_did_sexual_positions_evolve_independently/ | {
"a_id": [
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"score": [
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"text": [
"Hi there! After some discussion among the mods, we've removed your question. It's not a bad question - just one that's going to be difficult to answer as you're asking about multiple historical periods. (We think of these as \"throughout history... | [] | [] | [
[
"https://www.reddit.com/r/AskAnthropology/"
]
] | ||
2bcuw1 | what kind of consequences will russia face if they are held legally responsible for the downing of mh17? | What sanctions will Putin have to face? And how could these consequences affect the ongoing battle with Ukraine? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2bcuw1/eli5_what_kind_of_consequences_will_russia_face/ | {
"a_id": [
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"score": [
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"text": [
"The sanctions will be decided by some kind of UN vote most likely, and then individual countries can pursue whatever sanctions they wish. There's talk in the US already of not even waiting, they're convinced Russia did it and they want to push un... | [] | [] | [
[]
] | |
1g6uzg | Why don't we wet the bed after we're toilet trained? | We have no control over this as infants and toddlers, but somehow we do even when we're not conscious after we've been taught to use the toilet.
If normal, fully-grown men have nocturnal emissions well into adulthood, how do we then have control over our bowels and bladders while we're unconscious? Can trained behavi... | askscience | http://www.reddit.com/r/askscience/comments/1g6uzg/why_dont_we_wet_the_bed_after_were_toilet_trained/ | {
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"text": [
"Nocturnal emissions have no bearing on bowel and bladder. completely unrelated. As a side note, daily sex and/or masturbation will prevent nocturnal emissions\n\n\nWhile the toiler per-se is not instinc... | [] | [] | [
[],
[],
[]
] | |
4zeal7 | what are the specific ingredients in beer that make it high in calories and carbs? | I know beer contains basic ingredients like barley, water, yeast and sometimes hops but what makes some beer higher in calories than other beer? What gives them their high carb count? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4zeal7/eli5_what_are_the_specific_ingredients_in_beer/ | {
"a_id": [
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"text": [
"To make beer you let barley or other types of grain go through a process that extracts its starch and makes it into sugar. The wort you end up with have been sold as sweet energy drinks and is comparable to soda. The wort is then further put thro... | [] | [] | [
[]
] | |
3ok7vn | why is the menstrual cycle the same as a calendar month? | Is it coincidence that a calendar month ended up being the same length of time as a menstrual cycle? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3ok7vn/eli5_why_is_the_menstrual_cycle_the_same_as_a/ | {
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"text": [
"It is not. It is much closer to a lunar month, with a twenty eight day cycle. Everybody is a little different of course, and birth control can be used to regulate a woman's cycle to some degree. ",
... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Menstrual_cycle"
],
[]
] | |
45jzvy | equinox isn't equal | The 2016 pring Equinox will occur on March 20, but where I live sunrise and sunset will be nearest the same times on March 16 (7:43AM - 7:44PM). Why isn't the most equal day on the Equinox but 5 days earlier? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/45jzvy/eli5_equinox_isnt_equal/ | {
"a_id": [
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"text": [
"The equinox isn't necessarily defined by when the days are most even where you live (rise vs set time) but rather when the sun crosses the celestial equator and appears in the north hemisphere in the sky. (For the north hemisphere) The autumnal e... | [] | [] | [
[]
] | |
1qonx6 | Did the Germans count on being able to use the Czech tanks? | Was owning the Pzkfw35t and 38t an essential part of the German blitzkrieg, or was it just a lucky break? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1qonx6/did_the_germans_count_on_being_able_to_use_the/ | {
"a_id": [
"cdevzy3",
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"score": [
9,
2
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"text": [
"Opening a can of worms here. There was actually no such thing as the Blitzkrieg so it'd be a bit hard for something to be an essential part of it. Blitzkrieg was more of a media term to explain things that they didn't unde... | [] | [] | [
[],
[]
] | |
2l8nfb | why do softer tires have better grip than harder tires? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2l8nfb/eli5_why_do_softer_tires_have_better_grip_than/ | {
"a_id": [
"clsguw0"
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5
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"text": [
"Because softer things deform and grip the imperfections in a surface. This isn't just tires, you'll probably notice that a softer a surface is, the easier it grips other surfaces. "
]
} | [] | [] | [
[]
] | ||
g1cmv | When my candle is lit, why does dust caught in the wax gather around the base of the wick? | I have a candle that has three wicks in it and is seated in a circular tin. I've used the candle enough such that all of the wax is liquid when it's lit.
I lost the lid for the candle so it just sits on my desk collecting dust. I try to wipe off the dust before I light it but obviously I can't get everything. Anyways... | askscience | http://www.reddit.com/r/askscience/comments/g1cmv/when_my_candle_is_lit_why_does_dust_caught_in_the/ | {
"a_id": [
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"text": [
"When the candle is burning, the capillary forces in the wick are drawing in the molten wax. So the dust gets carried there by the flow. That's my guess at least, I haven't researched it.\n",
"The wick is pulling up wax, ... | [] | [] | [
[],
[]
] | |
1rv910 | what is hdr, and why do "we" hate it? | Almost every other picture on Reddit has someone in the comment section hating on it for too much HDR, or a link to /r/shittyhdr. I have no idea what it is, but apparently camera phones have it. Can someone please explain to me what the fuck HDR is? And is it ever a good thing? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1rv910/eli5_what_is_hdr_and_why_do_we_hate_it/ | {
"a_id": [
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"text": [
"HDR is a technique that combines photos taken at different exposures to get the most detail out of each.\n\n\n\nThis used to be done I image editing tools like photo shop but many cameras and phones can... | [] | [] | [
[],
[
"http://i.imgur.com/C6frpWS.jpg",
"http://i.imgur.com/WjAzf5w.jpg"
],
[]
] | |
5oet4i | what has to happen to our recycled items before they actually get repurposed/what does the cleaning process of these items look like? | What actually happens after our recycling is collected and ~*magically*~ disappears into the abyss? Inevitably food residue makes it onto a lot of recyclables which then somehow have to be cleaned. How do recycling facilities sort through those incomprehensibly massive quantities of containers (of vastly differing shap... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5oet4i/eli5_what_has_to_happen_to_our_recycled_items/ | {
"a_id": [
"dcjcdxm"
],
"score": [
2
],
"text": [
"Newspapers: de-inking facilities separate ink from the newspaper fibers through a chemical washing process.\n\nGlass: A mechanical processing system breaks the glass into small pieces called cullet. Magnets, screens and vacuum systems remove meta... | [] | [] | [
[]
] | |
2hnwpk | why are led headlights so bright? | Is it because the light emanates from a smaller area? Isn't safety compromised by hindering the vision of incoming traffic? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2hnwpk/eli5_why_are_led_headlights_so_bright/ | {
"a_id": [
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"text": [
"LED lights are more efficient at turning electricity into light. Most other lights use a lot of the energy in creating heat. \n \nLights that are too bright can be dangerous, but there's not a lot of standardisation for them. Some lights can ha... | [] | [] | [
[]
] | |
8gwhwn | why do batteries in parallel have a stronger current than batteries in sequence? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8gwhwn/eli5_why_do_batteries_in_parallel_have_a_stronger/ | {
"a_id": [
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"text": [
"Let's say that I have an entrance to a building with two doors that guests have to pass through to get in. Each one can let 1 person through every 2 seconds. If I put them in series, each guest goes through one, and then th... | [] | [] | [
[],
[]
] | ||
b1sv7v | How do zygotes gain totipotency? | So a zygote forms from the fertilization of an egg cell by a sperm, which are both specialized cells. What's happening on a molecular level that allows two specialized cells to fuse and become a totipotent cell? | askscience | https://www.reddit.com/r/askscience/comments/b1sv7v/how_do_zygotes_gain_totipotency/ | {
"a_id": [
"einwmig",
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"text": [
"Activation of a few enzymes returns the cell to totipotency. Adding these enzymes to regular cells can make them pluripotent, this the existence of ipsc: induced pluripotent stem cells, which can be stem cells that were skin... | [] | [] | [
[],
[
"https://www.technologynetworks.com/cell-science/articles/cell-potency-totipotent-vs-pluripotent-vs-multipotent-stem-cells-303218"
]
] | |
j4ohk | explain the p=np problem li5. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/j4ohk/explain_the_pnp_problem_li5/ | {
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"text": [
"The P=NP problem is basically asking \"Is it just as fast to solve a math problem as it is to check the answer?\" P and NP are a cou... | [] | [] | [
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[],
[],
[],
[]
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28shuz | Are we any closer to resurrecting humans from cryostasis yet? | askscience | http://www.reddit.com/r/askscience/comments/28shuz/are_we_any_closer_to_resurrecting_humans_from/ | {
"a_id": [
"cie1li0",
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"score": [
3,
3
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"text": [
"No. The freezing process damages cells, as water turns to ice and expands. So they try to use different types of antifreeze, but [these are toxic](_URL_2_). And on top of that [not all cells are equally permeable](_URL_1_), ... | [] | [] | [
[
"http://www.ncbi.nlm.nih.gov/pubmed/15094092",
"http://www.pnas.org/content/early/2010/09/09/1011614107.full.pdf",
"http://www.nature.com/nature/journal/v183/n4672/abs/1831394a0.html"
],
[
"http://www.newscientist.com/article/mg22129623.000-gunshot-victims-to-be-suspended-between-life-and-deat... | ||
kxdi9 | Why aren't animals that can see in the dark blinded by daylight? | Cats, for example, can see in light that’s six times dimmer than our lower limit, so why isn't normal daylight too powerful for their eyes? | askscience | http://www.reddit.com/r/askscience/comments/kxdi9/why_arent_animals_that_can_see_in_the_dark/ | {
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"text": [
"Pupils dilate and contract so that the current light level is not overwhelming to whatever the eyes belongs to.",
"For starters, some species *are* 'day blind'. Mostly species ... | [] | [] | [
[],
[],
[],
[]
] | |
2ago42 | eli: how can a country simply write off debt of another country? wouldn't it put the country itself in deeper debt? | I don't understand the idea of writing off debt. How exactly would this work in real life? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ago42/eli_how_can_a_country_simply_write_off_debt_of/ | {
"a_id": [
"ciuwf7k"
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"score": [
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"text": [
"Say I owe Bob $10. Say it's been years since I paid Bob and keep telling him I'll repay him later. Bob can write of my debt by telling me to forget about the $10 altogether, so that I no longer owe him the $10."
]
} | [] | [] | [
[]
] | |
362r3f | Mathematical History | I'm not quite sure if anybody is an expert in the history of mathematics, but I would be interested to learn the history of some of the symbols used, particularly, the "curly d" symbol used to represent partial derivatives, but if you know any others, please do share. Where did these symbols come from and when were the... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/362r3f/mathematical_history/ | {
"a_id": [
"cra6qrx",
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"score": [
14,
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"text": [
"You're in luck, Cajori's History of Mathematical Notations is available online:\n\n_URL_0_\n\nThe partial derivative symbol was used here and there before 1841 when it was popularized by Jacobi (of Jacobian, or matrix of pa... | [] | [] | [
[
"https://archive.org/details/historyofmathema031756mbp"
],
[]
] | |
3m0mrh | how is the ceo of turing pharmaceuticals able to raise the price of daraprim (the aids drug) and make people pay the increase, without it being considered a monopoly? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3m0mrh/eli5how_is_the_ceo_of_turing_pharmaceuticals_able/ | {
"a_id": [
"cvayekc",
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"score": [
6,
3
],
"text": [
"Monopolies are not per se illegal. There is arguably nothing wrong here because anyone who wants to spend the time and money to manufacture a generic can do so. This is also not the only drug that can treat toxoplasmosis. ... | [] | [] | [
[],
[]
] | ||
uu25v | Why do some people snap better/louder with their non-dominant hand? | Me and a few of my friends all noticed that we snap louder with our non-dominant hand. Why does that happen? Is it normal? | askscience | http://www.reddit.com/r/askscience/comments/uu25v/why_do_some_people_snap_betterlouder_with_their/ | {
"a_id": [
"c4ynnx0"
],
"score": [
2
],
"text": [
"The snapping sound is caused by your middle finger hitting your ring finger. If you haven't practiced this with your hand your middle finger will hit your palm and make a much quiter noise. However I don't know why you would only be able to do th... | [] | [] | [
[]
] | |
9b1hw0 | why are some electrical plugs so huge that they cover the outlets next to them? what is taking up all that space? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9b1hw0/eli5_why_are_some_electrical_plugs_so_huge_that/ | {
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"e4zmwku",
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"e4zsbek"
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"score": [
6,
7,
9
],
"text": [
"Many devices integrate a converter from mains-voltage Alternating current to a much lower direct current voltage in the wall plug as opposed to a block in the middle of the cable or into the decice itse... | [] | [] | [
[],
[],
[]
] | ||
9el2xs | how does creatinine work in the body? | I know that creatinine can be measured to diagnose kidney or liver problems, but creatinine doesn't actually affect the liver or kidneys. How does this work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9el2xs/eli5_how_does_creatinine_work_in_the_body/ | {
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"Creatinine is a metabolic byproduct that is produced in muscle tissue. Specifically it is used as an indicator of kidney function because the kidneys are the only organs that filter it out of the blood. It is formed in the... | [] | [] | [
[],
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] | |
1omiz9 | Why are the people of a land as big as China relatively so culturally similar while Europe and the Middle East are so full of different people and cultures? | I know it is a rather large generalization to say the Chinese are all culturally similar, and that the culture can even vary from village to village, but looking at a global scale it would seem that china is much more culturally unified than other parts of the world of equal or smaller size. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1omiz9/why_are_the_people_of_a_land_as_big_as_china/ | {
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"That's because China is considered one nation, despite the fact that it encompasses such a huge geographic area. \n\nEthnically, it is comprised of a lot of ... | [] | [] | [
[],
[],
[],
[],
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] | |
8cfy4f | What's the difference between the effects on the heart due to aerobic exercise and due to amphetamine use? | Specifically referring to an average daily dose of Adderall if that makes a difference. I know that regular aerobic exercise trains your hear to be more efficient, which is why athletes commonly have lower resting heart rates. However, regular amphetamine use can result in ventricular hypertrophies and heart failures. ... | askscience | https://www.reddit.com/r/askscience/comments/8cfy4f/whats_the_difference_between_the_effects_on_the/ | {
"a_id": [
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"The heart is a muscle. When you exercise, the increased demand for blood to skeletal muscles cause the heart to pump harder and faster. Over time, the muscle in the heart is trained to more efficiently deliver blood by incr... | [] | [] | [
[
"https://courses.washington.edu/conj/heart/cardiacoutput.htm"
],
[]
] | |
60bfmy | why do gas companies ever bother lowering their prices? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/60bfmy/eli5_why_do_gas_companies_ever_bother_lowering/ | {
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"text": [
"If your competitor buys gas for a little less, they can sell it for a little less and make identical profits per volume. If they sell it for less, more people will buy gas there in... | [] | [] | [
[],
[],
[],
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] | |
1mdqbr | If the world's population became completely vegetarian would the amount of farmland decrease or increase? | askscience | http://www.reddit.com/r/askscience/comments/1mdqbr/if_the_worlds_population_became_completely/ | {
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"It would decrease. Most farmland is dedic... | [] | [] | [
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[],
[],
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13odrb | How does changing the tire pressure affect the car's traction? | Throughout my physics education it has made sense to me that the friction of the vehicle against the road should not be dependant on the surface area of the car's tires - F=uMG yada yada. So that is why I am confused about the tire pressure v. traction. Will you have the same traction with different tire pressures? | askscience | http://www.reddit.com/r/askscience/comments/13odrb/how_does_changing_the_tire_pressure_affect_the/ | {
"a_id": [
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"More lateral force can be applied through a larger contact patch given the same downforce because the contact pressure will be lower.\n\nTherefore the shear stress between the tire and the road can be greater before losing t... | [] | [] | [
[],
[]
] | |
4zm611 | why can an american go off to war and vote at age 18, but cannot buy a beer or a pistol until age 21? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4zm611/eli5_why_can_an_american_go_off_to_war_and_vote/ | {
"a_id": [
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"Mothers Against Drunk Driving heavily lobbied the federal government to withhold federal highway funding from states that refuse to set the drinking age to 21. They caved. 18-21 year olds are easy to be... | [] | [] | [
[],
[],
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] | ||
4uz5z6 | how do people get in the music industry? | Is just as simple as putting music on the internet and hoping someone important sees it. Or maybe get on one of those music shows and become famous from that? I never understood how some musical people become famous seemingly "out of nowhere". | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4uz5z6/eli5_how_do_people_get_in_the_music_industry/ | {
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"Some really do get discovered on YouTube etc. But much more often, they ask to perform at bars and other public locations, where they play hundreds of times, working on their skill... | [] | [] | [
[],
[],
[],
[
"https://m.youtube.com/watch?v=nGOXnOkWTd8"
]
] | |
3rosp0 | what is so special about henrietta lacks and why is she contaminating things? | As the question states. I have read some of the Wikipedia and the TIL thread. But I'm on morphine post surgery and it's confusing me. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3rosp0/eli5_what_is_so_special_about_henrietta_lacks_and/ | {
"a_id": [
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"score": [
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"text": [
"Henreitta Lacks died of cervical cancer back in the 50s. \n\nThe cancer that killed her made her cervical cells immortal. Almost every other cell we know about stops dividing after about 500 divisions. This is known as the [Hayflick limit](_URL_0... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Hayflick_limit"
]
] | |
2jvueg | what is "bad gas" (or "bad diesel" in my case) and what are the complications it can cause for a motor vehicle? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2jvueg/eli5_what_is_bad_gas_or_bad_diesel_in_my_case_and/ | {
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"text": [
"There are a few forms of bad diesel. Water or possible algea contamination being most common. Most diesels have a water trap that needs to be emptied every oil change. If the water is allowed to remain I've seen it rust out ... | [] | [] | [
[],
[]
] | ||
bkcdjn | what was the original purpose of the invention of the internet? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bkcdjn/eli5_what_was_the_original_purpose_of_the/ | {
"a_id": [
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"text": [
"The internet has taken a lot of forms over the years. It began with the developement of ARPANET ( Advanced Research Project Agency Network) which was funded by DARPA (Defence Advanced Research Projects Agency) for the sole p... | [] | [] | [
[],
[
"https://home.cern/science/computing/where-web-was-born"
]
] | ||
1e6evw | What was the nightlife like during the weimar republic? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1e6evw/what_was_the_nightlife_like_during_the_weimar/ | {
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"text": [
"This is a question I would be very happy to answer, but to my utter shock and horror, my personal library has virtually no sources regarding pre-1900s German literature and cultur... | [] | [] | [
[],
[
"http://en.m.wikipedia.org/wiki/Cabaret_(musical)"
],
[],
[
"http://www.amazon.com/War-Genocide-Holocaust-Critical-International/dp/0742557154/ref=sr_1_2?ie=UTF8&qid=1368413531&sr=8-2&keywords=holocaust+and+genocide"
]
] | ||
3hvfob | What are historians' assessment of Jimmy Carter's legacy, both of his presidency and his post-presidential activity? | Given the recent news regarding his health, I think this may be a good topic to have. When he left office, as I understand it, he was fairly unpopular. Today, perhaps due in large part to his humanitarian and advocacy work, he is viewed quite fondly. How do historians view his presidency? And how do they view the impac... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3hvfob/what_are_historians_assessment_of_jimmy_carters/ | {
"a_id": [
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"text": [
"In Nancy Gibb's and Michael Duffy's [The Presidents Club: Inside the World's Most Exclusive Fraternity](_URL_0_), they describe his problems with his presidency as a result of his technocratic background from serving under A... | [] | [] | [
[
"http://www.amazon.com/The-Presidents-Club-Exclusive-Fraternity/dp/1439127727"
],
[]
] | |
34iamd | why do people from low social classes tend to be conservative? | (def) conservative: holding to traditional attitudes and values and cautious about change or innovation, typically in relation to politics or religion.
It's a known social phenomenon that people from lower social classes tend to have more conservative values. I would think it would be the opposite since left-leaning p... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/34iamd/eli5_why_do_people_from_low_social_classes_tend/ | {
"a_id": [
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],
"text": [
"Where do you get this from? I dont think the data transfered for example it is proven the poor areas of america almost always vote Democrat. Blacks also always vote Democrat. Highly populated areas typically poor inner citie... | [] | [] | [
[],
[]
] | |
1gwjz8 | Why do beards get itchy? | askscience | http://www.reddit.com/r/askscience/comments/1gwjz8/why_do_beards_get_itchy/ | {
"a_id": [
"caojv2u"
],
"score": [
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"text": [
"When you shave your hair you cut it off flat. Those flat edges are sharp enough that they grab onto the skin as they grow back out. You usually also pull on the skin as you're shaving to get a \"closer\" shave. This can result in the hair being ... | [] | [] | [
[]
] | ||
7m0edd | why are schools strict on females showing shoulders and exposing skin? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7m0edd/eli5_why_are_schools_strict_on_females_showing/ | {
"a_id": [
"drqfoy2",
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5,
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"text": [
"Because they seem to believe the archaic and stupid notion that all teenage boys are slavering hormonal beasts and the mere sight of even the tiniest bit of skin will put them into a lust filled rage an... | [] | [] | [
[],
[],
[]
] | ||
ekggc5 | why does the same water feel a different temperature to your body than it does to your head? for example when in the shower? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ekggc5/eli5_why_does_the_same_water_feel_a_different/ | {
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9y4lgl | what does 4k oled mean, and how does it differ from regular 4k? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9y4lgl/eli5_what_does_4k_oled_mean_and_how_does_it/ | {
"a_id": [
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"score": [
2,
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"text": [
"it is a 4k tv but with a better screen. The screen is better because with oled the pixels can turn off. This means that you get better blacks. Instead of there being a glow from the backlight even on a black screen the scree... | [] | [] | [
[],
[]
] | ||
169lq4 | why does 'water' keep coming out of my nose when i have a cold? what's the purpose? | I think you can all relate. It's the stuff that's just transparent, no green/yellowish goo, just almost water... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/169lq4/eli5_why_does_water_keep_coming_out_of_my_nose/ | {
"a_id": [
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"score": [
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],
"text": [
"This question actually has a really cool answer. The stuff that's coming out is a result of your nasal mucus membranes going into overdrive. These membranes regularly generate a little bit of mucus to help flush dirt and things out of your nasa... | [] | [] | [
[]
] | |
yt6jx | as a non-american, what exactly are electoral colleges and how do they affect the us presidential election? | I often hear the phrase being used as the election looms ever closer, and know that they are a large topic for discussion, am I right in thinking that they are linked to certain states? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/yt6jx/eli5_as_a_nonamerican_what_exactly_are_electoral/ | {
"a_id": [
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"text": [
"In the US the president is not elected by popular vote, instead he is elected by the electoral college. The representatives to the electoral college are decided by each state. Each state get's one electoral college member per member of congress... | [] | [] | [
[]
] | |
1ecdbj | why human immune systems cannot adapt to diseases like cancer, aids, etc. but can adapt/evolve to other illnesses that would've otherwise killed us centuries ago? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ecdbj/eli5_why_human_immune_systems_cannot_adapt_to/ | {
"a_id": [
"c9yuar2",
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19,
6,
2
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"text": [
"The main way the immune system recognizes threats is through the presentation of antigens. Antigens are proteins on the surface of cells. With most disease-causing things, the body can react to the a... | [] | [] | [
[],
[],
[]
] | ||
3so9um | why don't companies bring back those discontinued products people miss so much? | I'm talking your Surges, Hi-C Ecto Coolers, Fruitaburst Gums, French Toast Crunches, basically anything on those listicles of awesome stuff we'll never see again. Even if only for a limited time they could make a killing. Just get their marketing team to hype the hell out of the re-release for months before they actual... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3so9um/eli5_why_dont_companies_bring_back_those/ | {
"a_id": [
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"text": [
"You assume that they haven't already considered and ruled out doing so behind closed doors. And sometimes they do, sometimes even on a recurring (annual/seasonal) basis.\n\nBut the bottom line is that the product was discontinued for a reason, a... | [] | [] | [
[]
] | |
3bgew7 | What's the limiting factor in making bipedal robots? | After the somewhat recent DARPA robotics challenge, its pretty clear that we have a very long way to go before we get to machines like the police robots seen in chappie and the like.
My question is, what's stopping us? I'm referring mostly to the problem of balance/walking. I understand that this is certainly not a si... | askscience | http://www.reddit.com/r/askscience/comments/3bgew7/whats_the_limiting_factor_in_making_bipedal_robots/ | {
"a_id": [
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"text": [
"If you just need it to move on an infinite plane, it would be easy. Walking up stairs and over obstacles is more complicated than just walking normally and trying to balance. And if the robot can't walk up stairs and over obstacles, wheels would ... | [] | [] | [
[]
] | |
bha4dc | what makes a meat "processed" | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bha4dc/eli5_what_makes_a_meat_processed/ | {
"a_id": [
"elr70oe"
],
"score": [
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"text": [
"Processed meat is any meat that is preserved by any of a number of methods, such as smoking, curing, salting, or addition of chemical preservatives. Examples of processed meat are bacon, salami, pepperoni, obviously bologna and hot dogs, most l... | [] | [] | [
[]
] | ||
aj1hip | the difference between a pun and a play on words. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/aj1hip/eli5_the_difference_between_a_pun_and_a_play_on/ | {
"a_id": [
"eerxx9v",
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"score": [
12,
5
],
"text": [
"A pun is specifically a joke made using the multiple meanings of a word or exploiting that some words with different meanings sound the same. A play on words is much more broad as an exercise of wit where words are the main... | [] | [] | [
[],
[]
] | ||
3w2ncx | why do actors fake eating on tv and movies, rather than just eating the food? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3w2ncx/eli5_why_do_actors_fake_eating_on_tv_and_movies/ | {
"a_id": [
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"score": [
12,
2,
5,
6,
2,
2,
2
],
"text": [
"Cos they have many takes to get a scene right and the food is cold by the time they get to it. Or theyre tired o... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | ||
4xwjzh | what causes major isp's (brighthouse, comcast, etc) have frequent service outages? | I just had a service outage, second one in two weeks, that lasted for a few hours and it got me thinking. How do these massive companies have such unreliable services, and what causes their outages?
I also came here because all of my google results used some intense jargon that I didn't understand, and seemed to say t... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4xwjzh/eli5_what_causes_major_isps_brighthouse_comcast/ | {
"a_id": [
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"score": [
5,
2,
2
],
"text": [
"Simple. It's out dated technology that can't keep up with the demands of the country. Before anyone starts downvoting, let me explain. Coaxial cable have been delivering signal into our homes since b... | [] | [] | [
[],
[],
[]
] | |
8ju0hy | why is our immediate response to pleasure closing our eyes? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8ju0hy/eli5_why_is_our_immediate_response_to_pleasure/ | {
"a_id": [
"dz2ews8",
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"score": [
8,
2
],
"text": [
"By closing our eyes, we increase the sensation by limiting distractions so we can focus on the pleasure more. ",
"For perspective, vision is typically 90 of incoming sensory bandwidth. Your example if not the only time ... | [] | [] | [
[],
[]
] | ||
mv2v8 | the positions and opinions of the candidates of the 2012 us election to a non-american. | Ideally, I'd love for this to be as non biased as possible, though I understand that your personal feelings and opinions may get in the way of this.
Mostly, I'd just like to be able to understand what the r/politics posts are talking about when they mention the different candidates. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/mv2v8/eli5_the_positions_and_opinions_of_the_candidates/ | {
"a_id": [
"c3439ss",
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"score": [
2,
2
],
"text": [
"If you could clarify which posts you're most interested in it would be much easier. There's quite a long litany of positions each candidate holds.",
"If you could clarify which posts you're most interested in it would be... | [] | [] | [
[],
[]
] | |
a88ja9 | Will my phone charge faster/more if my portable battery is in a higher position than my phone? | I've been wondering if the battery has to "push" electrons, so that if the phone is in a lower position, charging will be more efficient. | askscience | https://www.reddit.com/r/askscience/comments/a88ja9/will_my_phone_charge_fastermore_if_my_portable/ | {
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12,
4,
11,
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],
"text": [
"No. Or at least not noticeably so. The electricity uses the electromagnetic force to move, and the wire is built to take advantage of that fact. The force carriers (electrons) ar... | [] | [] | [
[],
[],
[
"https://en.wikipedia.org/wiki/Lithium_polymer_battery",
"https://doi.org/10.1016/S0022-0728(96)04833-4",
"https://www.energy.gov/eere/articles/how-does-lithium-ion-battery-work"
],
[]
] | |
1xaes9 | why is it that internet routers seem to "go bad" after a few years? | I've noticed that many of my routers start dropping connections, requiring constant restarts, and some have simply stopped working after several years of use. Is this a universal property of routers or am I just unlucky? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1xaes9/eli5_why_is_it_that_internet_routers_seem_to_go/ | {
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"score": [
10,
2,
6,
6,
202,
5,
3,
4,
3,
5,
16... | [] | [] | [
[],
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[],
[],
[],
[],
[],
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[
"http://preview.tinyurl.com/o46ysnm",
"http://en.wikipedia.org/wiki/Electrostatic_discharge",
"http://en.wikipedia.org/wiki/Electromagnetic_pulse"
],
[],
[],
[],
[]
] | |
2yjpo2 | shouldn't bi-weekly mean twice in the same week instead of once in two weeks? | I have always been confused with the usage of bi-weekly. Shouldn't it be used to mean twice in the same week and not once in two weeks?
For example: Bicycle = two cycles(wheels) in one frame; Bi-sexual = on person with two sexual preferences; Similarly shouldn't bi-weekly mean twice in one week? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2yjpo2/eli5_shouldnt_biweekly_mean_twice_in_the_same/ | {
"a_id": [
"cpa50ft",
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"score": [
3,
3,
3
],
"text": [
"Yes, it should. Look at bi-annual vs biennial. The former means twice a year, the latter means every other year.\n\nThough it seems as though bi-weekly can actually mean either twice a week or every oth... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Biweekly"
],
[],
[]
] | |
52a6ui | What caused the Age of Battles? | In medieval military history, it is generally taken as a given that decisive field battles were rare and unusual events, generally avoided by medieval generals to the extent possible. Instead, warfare revolved around ravaging and siege - a positional, attritional warfare based on grinding one's enemy down. It is also m... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/52a6ui/what_caused_the_age_of_battles/ | {
"a_id": [
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"There wasn't an Age of Battles, to put it pithily. Battle has always been a part of war, but by their very nature, decisive battles are rare things. Siege, raid, and pitched battle are all tools available to a commander, and there are many prob... | [] | [] | [
[]
] | |
47ms94 | why hasn't the leaning tower of pisa fallen over? will it eventually fall? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/47ms94/eli5_why_hasnt_the_leaning_tower_of_pisa_fallen/ | {
"a_id": [
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"text": [
"Because engineers have anchored it. They drove a ton of steel piles into the ground and connected them to the tower with steel cables.\n\nIt won't fall any time soon. With enough money, material and care, anything can stand... | [] | [] | [
[],
[]
] | ||
63ov95 | what does it mean to unlock your phone to another service provider? and why, depending on the brand, does it cost so much and take so long? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/63ov95/eli5_what_does_it_mean_to_unlock_your_phone_to/ | {
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"text": [
"Most phones are *capable* of talking to other carriers that use the same networking technology. For example, in the USA, AT & T T-Mobile and I think a couple others all use the same GSM system. \n\nHowe... | [] | [] | [
[],
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3b9x2a | how does 1080i work? | I just don't understand this. How can a TV not be able to maintain a consistent pixel resolution?? I get frame stuttering, but I've never been able to make sense of i resolutions. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3b9x2a/eli5_how_does_1080i_work/ | {
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"text": [
"The i for \"interlaced\" means first your TV draws the even-numbered lines for the whole screen, then the odd-numbered lines. \n\nBy contrast in p for \"progressive\" mode your TV draws all the lines in order.",
"Interla... | [] | [] | [
[],
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] | |
a5q3a4 | why does the stomach flu (norovirus, rotavirus) present such intense, violent symptoms in most people? | Is causing intense pain, vomiting, and diarrhea beneficial to the survival of the virus, or is it just the body’s way of trying to get it out? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a5q3a4/eli5_why_does_the_stomach_flu_norovirus_rotavirus/ | {
"a_id": [
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"Both. The pain is caused by the virus to basically make you immobile, noone wants to move much when in a lot of pain, vomiting and diarrhoea are two great ways to spread the virus to those taking care of you because you yourself are too sick to d... | [] | [] | [
[]
] | |
1zac39 | If stars have more planets than previously thought, would this "add " enough mass to galaxies so we don't need dark matter for explaining their dynamics? | askscience | http://www.reddit.com/r/askscience/comments/1zac39/if_stars_have_more_planets_than_previously/ | {
"a_id": [
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"text": [
"This can't explain astronomical observations. There is about 4-5 times as much mass as we can see in star form, and planets typically weigh at most a few tens of a percent of their stars, but often much less. If planets wei... | [] | [] | [
[],
[
"http://apod.nasa.gov/apod/ap060824.html"
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8ibmp3 | What separates the historical method from journalism? | Is there a clear line between the two? Is it purely a matter of the age of the topic? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/8ibmp3/what_separates_the_historical_method_from/ | {
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"text": [
"I trained as an historian to doctoral level, but spent six years working professionally as a journalist and have continued to freelance since that time, so I hope that I'm in a decent position to draw some lines for you here. I should stress tha... | [] | [] | [
[]
] | |
v7ufk | What is AskScience's opinion on /r/NoFap? Is there actual evidence that not masturbating will positively affect a person's energy and motivation? | askscience | http://www.reddit.com/r/askscience/comments/v7ufk/what_is_asksciences_opinion_on_rnofap_is_there/ | {
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"I want to know if there's any negative effects of masturbation. ... | [] | [] | [
[],
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"http://youtu.be/wSF82AwSDiU"
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"http://www.ncbi.nlm.nih.gov/pubmed/19016689"
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"http://www.ncbi.nlm.nih.gov/pubmed/12659241",
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],
[
"http://www.zju.edu.cn/jzus/2003/0302/030219.pdf... | ||
9ms1o2 | what is title insurance | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9ms1o2/eli5_what_is_title_insurance/ | {
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"text": [
"title insurance protects you from any financial loss due to problems with title. \n\nwhen you buy a house, it's recorded in public records. anyone that has a claim on the house i... | [] | [] | [
[],
[],
[],
[]
] | ||
6aorma | how are hummingbirds able to hover and fly in any direction? to clarify, what is going on aerodynamically that allows this to happen? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6aorma/eli5_how_are_hummingbirds_able_to_hover_and_fly/ | {
"a_id": [
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"text": [
"The little wings flap in such a way that there is more turbulence above the bird than below it. \n\nThere's a general aerodynamic principle (bernoulli effect) that means that quickly moving air is at a lower pressure than th... | [] | [] | [
[],
[]
] | ||
3vi2nz | What did Roman legionnaires actually do with the land they got after their tour of duty, and could it actually sustain their owners? | Since I was a kid I read about how Roman legionnaires, after finishing their tour of duty, would get some money and a piece of land to settle down on, as a reward. Lately it occurred to me that I never really thought about if that was actually a good deal; just checked if off as "oh, that's nice, guess they'll become f... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3vi2nz/what_did_roman_legionnaires_actually_do_with_the/ | {
"a_id": [
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"text": [
"I'm not 100% sure if this really counts as a follow up question, but somewhat related to this I guess. It's my understanding that giving land to soldiers was practiced by the Successor kingdoms too. Was that any different than the Roman system in... | [] | [] | [
[]
] | |
3j1kte | why are new smartphone processors hexa and octa-core, while consumer desktop cpus are still often quad-core? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3j1kte/eli5_why_are_new_smartphone_processors_hexa_and/ | {
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"https://en.wikipedia.org/wiki/Re... | ||
bdftu7 | how do bike/car stuntmen learn to do it without dying? | So I saw [this video](_URL_0_) where the biker drove and made a jump from the ramp , went spinning in the air then landed un-harmed. While I understand this is due to him practicing it multiple times , possibly for months or years, I do not understand how do they practice such dangerous moves without risking death.
&... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bdftu7/eli5_how_do_bikecar_stuntmen_learn_to_do_it/ | {
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"Firstly, they can practice with safety equipment. You can have mats and nets and other things to soften the landing of a failed attempt.\n\nAlso, they start with smaller, safer types of tricks and work their way up.\n\nLastl... | [] | [
"https://img-9gag-fun.9cache.com/photo/amBR734_460svvp9.webm"
] | [
[],
[
"https://www.youtube.com/watch?v=lJzcqA2yU1w"
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3zc5fe | Were any African countries positively impacted by the colonial era? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3zc5fe/were_any_african_countries_positively_impacted_by/ | {
"a_id": [
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"text": [
"There is really no measure of whether a country was overall Positively or Negatively affected by the colonial era. Rather, there were positive effects and negative effects in different areas and to different peoples. A Black officer in the King'... | [] | [] | [
[]
] | ||
6c391u | What is the cause of diffusion and osmosis? How does it work? | I know the general gist of how diffusion/osmosis works, I just don't know *why* it works like it works. | askscience | https://www.reddit.com/r/askscience/comments/6c391u/what_is_the_cause_of_diffusion_and_osmosis_how/ | {
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"text": [
"Diffusion is caused by the random movement of particles; anything with energy moves and shakes a little. From this random moving and shaking, it is much more likely that things get further apart from e... | [] | [] | [
[],
[],
[]
] | |
1zo6ma | Is there a search engine (of sorts) where you can search for the earliest recorded use of a certain word? | Currently I'm writing a paper on Menno Simons, and am looking for the earliest source I can that uses the word Mennonites. I was curious if you all might have a source you go to search of the earliest date of a word that perhaps users had contributed or that was centrally controlled.
Thank you! | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1zo6ma/is_there_a_search_engine_of_sorts_where_you_can/ | {
"a_id": [
"cfveyvw"
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"score": [
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"text": [
"Unless I'm mistaken, I believe that's what the Oxford English Dictionary is supposed to do. I'd check there first."
]
} | [] | [] | [
[]
] | |
3ornqs | What is the most widely accepted explanation for the Late Bronze Age collapse? | Edit: amazing responses, thanks all! | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3ornqs/what_is_the_most_widely_accepted_explanation_for/ | {
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"text": [
"Well, the consensus is generally something like \"it was the Sea People, but it was also a bit more complex\". The Sea People raids leading to the collapse captures the imagina... | [] | [] | [
[],
[],
[],
[]
] | |
2rv1fh | how do chinese people alphabetize? | EDIT: Oh shit, I need to get bored in class more often. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2rv1fh/eli5_how_do_chinese_people_alphabetize/ | {
"a_id": [
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"cnk1w16",
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"c... | [] | [] | [
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"http://upload.wikimedia.org/wikipedia/commons/thumb/3/31/Love-zh.svg/2000px-Love-zh.svg.png"
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[],
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"http://en.wikipedia.org/wiki/Cantonese_phonology#Tones",
"http://upload.wikimedia.org/wikipedia/commons/1/1f/CJK_37_Strokes_%288... | |
3yczko | What happened/happens to military dead on the losing side? | What happened to the dead after the battle was over? I assume the the winning side was able to recover their dead as they took the territory with the victory, but what about the losers? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3yczko/what_happenedhappens_to_military_dead_on_the/ | {
"a_id": [
"cycghuv"
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"score": [
2
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"text": [
"You should narrow it down to a time period, specific war or countries. This is too broad to give a good answer."
]
} | [] | [] | [
[]
] | |
9rf4ad | why do so many water droplets stay in place on a glass shower door after you are done? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9rf4ad/eli5_why_do_so_many_water_droplets_stay_in_place/ | {
"a_id": [
"e8geaka"
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"score": [
2
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"text": [
"Water molecules would kinda prefer to be close to other water molecules rather than to air molecules so they gather together in drops (you can Google water surface tension if you like). While the shower glass may look smooth to us its tiny bumps ... | [] | [] | [
[]
] | ||
3su47v | Any background info on this Greek artifact? | _URL_0_
Found it on another sub and people are either amused or disgusted. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3su47v/any_background_info_on_this_greek_artifact/ | {
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"score": [
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"text": [
"Probably a krater, illustrated with satyrs. Here they are pouring wine ( or, more precisely, likely wine mixed with water, from just such a krater). As satyrs were supposed to be constantly looking for sex ( therefore hypersexuality in men was ... | [] | [
"https://i.imgur.com/b2NaZ02.jpg"
] | [
[]
] | |
f2gktp | whats the difference between sugar in fruits, sugar in sweets, sugar in normal food (like potatoes, meat) and raw white sugar that i buy in supermarket? which one is worse for my health? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f2gktp/eli5_whats_the_difference_between_sugar_in_fruits/ | {
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"text": [
"They are all sugar. \n\nThe only difference is that some foods (fruit for example) also have fiber in them, which very slightly slows down the rate at which your body absorbs the sugar. But that hardly... | [] | [] | [
[],
[],
[]
] | ||
30o9pc | why are med schools and residencies so selective when there is a national shortage of doctors? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/30o9pc/eli5_why_are_med_schools_and_residencies_so/ | {
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"score": [
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"Because lowering the standards causes more harm to society than th... | [] | [] | [
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1lp9mt | why don't companies like boeing and rolls-royce use robots in their manufacturing processes? | I recently toured Boeing's manufacturing facilities, and the guide told us that every single part of their aircraft is assembled by hand. And other companies that make high-quality machines or vehicles, like Rolls-Royce, swear that they can make a better product when robots aren't involved; they say that the human can,... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1lp9mt/eli5_why_dont_companies_like_boeing_and/ | {
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10
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"text": [
"While every industry has different manufacturing challenges, in complex and technically difficult builds I imagine having robots would be difficult for a few reasons. A robot why automated and efficient, may not always perf... | [] | [] | [
[],
[]
] | |
94zye7 | why is plastic so bad for the environment if it's raw material literally comes out of earth ? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/94zye7/eli5_why_is_plastic_so_bad_for_the_environment_if/ | {
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"Plutonium literally comes from the earth, too.\n\nEverything item we use comes from the earth. Some, however, are toxic.\n\nPlastic is made from petroleum, a... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
5a3crr | why are large objects cgi in a normally 2-d animated movie or tv show? | I've noticed this and it's always weird to me. For example in The Iron Giant that's a 2-D animated film, the giant is CGI. Why is this? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5a3crr/eli5_why_are_large_objects_cgi_in_a_normally_2d/ | {
"a_id": [
"d9dcyt5"
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"score": [
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"text": [
"It's cheaper to animate. The hardest thing to animate is movement so that takes time and time=money. Why the giant is a cgi model is because it's easy to make it a 3D it model. Robots, cars and aircrafts are the things that mostly gets to be cgi ... | [] | [] | [
[]
] | |
2fospf | How does chlorine gas kill you? | askscience | http://www.reddit.com/r/askscience/comments/2fospf/how_does_chlorine_gas_kill_you/ | {
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"Chlorine is a reactive chemical, quite like oxygen actually (actually not as bad as oxygen), but our bodies are designed to deal with oxygen so we don't get poisoned by it. What chlorine does is it corr... | [] | [] | [
[],
[],
[]
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yxod1 | What are the physics behind surviving a fall from 3km up without a parachute? | I thought that for hitting the earth at terminal velocity, death is 100% guaranteed. Would trees be enough to slow the fall? [How could this woman survive?](_URL_0_) | askscience | http://www.reddit.com/r/askscience/comments/yxod1/what_are_the_physics_behind_surviving_a_fall_from/ | {
"a_id": [
"c5zq07g",
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"score": [
3,
2
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"text": [
"Soft earth, aka lots of decaying matter could be enough. Generally not hitting anything overly rigid would increase your chances. \n\nPeople have occasionally survived falls from great heights over the years\n\n_URL_3_\n\n_... | [] | [
"http://www.reddit.com/r/todayilearned/comments/ywqjj/til_a_17_yr_old_woman_fell_3_km_into_the_amazon/"
] | [
[
"http://209.157.64.200/focus/f-news/1071076/posts",
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"http://www.greenharbor.com/fffolder/ffresearch.html",
"http://www.oddee.com/item_96967.aspx"
],
[]
] | |
1ud7vr | why do reditors get so upset over reposts? | Not everyone is on reddit 4 hours a day every day and they might miss some interesting posts; in which case, a repost from last month might be helpful | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ud7vr/eli5_why_do_reditors_get_so_upset_over_reposts/ | {
"a_id": [
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"score": [
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"text": [
"Usually it's not the repost itself that upsets people, it's the reposter trying to take credit for a repost as original work.",
"Search before submitting with keywords from your topic. The search box is in the upper rig... | [] | [] | [
[],
[]
] | |
16pgg1 | If any of the planets orbiting stars that we have discovered had lights similar to earth (city lights that can be seen from space) could we see it with our telescopes? | askscience | http://www.reddit.com/r/askscience/comments/16pgg1/if_any_of_the_planets_orbiting_stars_that_we_have/ | {
"a_id": [
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"score": [
2,
3
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"text": [
"Nope, not at present. Right now, we really can't distinguish the light from a planet remotely precise enough to do that. to tell that, you'd either want to have a way to uniquely identify that its a light, which would requir... | [] | [] | [
[],
[
"http://kepler.nasa.gov/"
]
] | ||
1agohz | how old is that story about Alexander crying salt tears because there were no more worlds to conquer? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1agohz/how_old_is_that_story_about_alexander_crying_salt/ | {
"a_id": [
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"text": [
"It doesn't appear in any ancient texts! \n\nSegrais writes that Greek Historians claimed that Alexander wept at hearing the legend of Achilles, Plutarch has Julius Ceaser weeping because he can't match up to Alexander's accomplishments. But no wh... | [] | [] | [
[]
] | ||
2rvjlw | what is a purchase order? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2rvjlw/eli5what_is_a_purchase_order/ | {
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2,
2,
3,
3,
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"text": [
"It's basically a contract. A company or government agency issues a purchase order when they have approved the purchase of a product or s... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | ||
d0e9ii | How do you differentiate between history and mythology? | Like for example religious figures. What separates fact and fiction.
Aside from the European side, a bit Indian context would be appreciated.
I was arguing with my dad and he considers Ramayana and Mahabharata and the Vedas to be history. I can't quite digest that. He doesn't offer and explanation for that. I conside... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/d0e9ii/how_do_you_differentiate_between_history_and/ | {
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],
"text": [
"This encroaches on a difficult topic because it implies an evaluation of a range of religious texts that are approached with faith rather than academic scrutiny. Most people t... | [] | [] | [
[],
[],
[],
[
"http://news.bbc.co.uk/2/hi/south_asia/1923794.stm",
"https://www.britannica.com/topic/Scylla-and-Charybdis",
"https://www.scientificamerican.com/article/ancient-sea-rise-tale-told-accurately-for-10-000-years/",
"https://www.nature.com/news/did-humans-drive-hobbit-species-to-exti... | |
18qp79 | A question about artificial limbs. | I am just wondering if scientists that are working to create more realistic and capable synthetic limbs use people with fully functioning limbs to learn how our brains and bodies actually cause us to move our limbs in the way we do. I have read that a lot of problems with people who get these newer more sophisticated l... | askscience | http://www.reddit.com/r/askscience/comments/18qp79/a_question_about_artificial_limbs/ | {
"a_id": [
"c8h7mrv"
],
"score": [
3
],
"text": [
"The problem you mention is an open research question, and lots of people are working on how such an artificial limb may work.\n\nA researcher at the University of Pittsburgh named [Andy Schwartz](_URL_1_) recently made headlines and [a 60 Minutes... | [] | [] | [
[
"http://www.independent.co.uk/news/science/a-sensational-breakthrough-the-first-bionic-hand-that-can-feel-8498622.html",
"http://www.neurobio.pitt.edu/faculty/schwartz.htm",
"http://www.ncbi.nlm.nih.gov/pubmed/9129578",
"http://www.cbsnews.com/8301-18560_162-57559345/breakthrough-robotic-limbs-mov... | |
i9fmk | Has there ever been any experiments showing any kind of seemingly paranormal activity, such as objects floating on their own, with no visible explanation in sight, or episodes of mental illness with no known diagnosis? | askscience | http://www.reddit.com/r/askscience/comments/i9fmk/has_there_ever_been_any_experiments_showing_any/ | {
"a_id": [
"c21yl3z",
"c21ytam",
"c21zdsp"
],
"score": [
8,
3,
2
],
"text": [
"No double blind study has ever produced plausible paranormal activity.\n\nThere have been lots of episodes of mental illness with no know diagnosis, but that really is just reflective of how complex and... | [] | [] | [
[],
[
"http://www.randi.org/site/"
],
[
"http://caps.ucsf.edu/wordpress/wp-content/uploads/2011/02/bem2011.pdf"
]
] | ||
2k15au | US/Israel before and after Suez | So the common line is that the US and Israel have always been the closes friends as far as nation-states go. But I'm trying to write a paper on Israel's use of its great power benefactors to become a regional power, and i read somewhere that the US and Israel were pretty estranged until after the Suez Crisis when the U... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2k15au/usisrael_before_and_after_suez/ | {
"a_id": [
"clhbjlr"
],
"score": [
8
],
"text": [
" > 1) What was the US stance on Israel at its inception? I imagine the US would try to win the favor of the whole Middle East (gaining foundational regional influence over the Soviets) but when the Soviets won the social favor of anti-imperialist... | [] | [] | [
[
"http://fas.org/sgp/crs/mideast/RL33222.pdf"
]
] |
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