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 |
|---|---|---|---|---|---|---|---|---|---|
1z2qtn | how was the bureau of census measuring population before sampling? | I'm currently reading about Dr Deming's early work at the Bureau of Census and it says
> many of the users of census data were willing to accept sample results, but some of the old-timers at the Bureau of the Census were opposed to the idea of sampling
I'm new to this section of history. I may guess they were me... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1z2qtn/eli5_how_was_the_bureau_of_census_measuring/ | {
"a_id": [
"cfpzzls"
],
"score": [
2
],
"text": [
"The census counts every person, or at least tries to, every ten years.\n\nHe is talking about people using the data collected - some of them insisted on using everything which, before modern computers could be a monumental task."
]
} | [] | [] | [
[]
] | |
dh60c4 | how is airport security regulated and kept consistent around the world |
Like do all the countries agree on regulations somehow, or could you theoretically get away with something by boarding a plane with something in one country and connecting to a different country. (I’ve never flown international so idk anything) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dh60c4/eli5_how_is_airport_security_regulated_and_kept/ | {
"a_id": [
"f3isgdq",
"f3j2fdq"
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"score": [
4,
8
],
"text": [
"No, it’s highly inconsistent from country to country.\n\nUS is the worst for sure, I hate travelling there. Its the only place they make us remove your shoes.\n\nAtm im in Nepal, and they only pass your luggage in a scanner,... | [] | [] | [
[],
[]
] | |
3rf3qu | what is the benefit of a water-cooled pc? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3rf3qu/eli5_what_is_the_benefit_of_a_watercooled_pc/ | {
"a_id": [
"cwnhmcx",
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"cwnhozu",
"cwnhqqn",
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"score": [
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5,
2,
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2
],
"text": [
"Generally superior cooling due to both heat absorption of liquid and a lack of stale warm air in the case. \n\nAlso quieter ",
"Water cooling is more effi... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
1r7qm7 | why group mentality is so powerful | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1r7qm7/eli5_why_group_mentality_is_so_powerful/ | {
"a_id": [
"cdkf899"
],
"score": [
7
],
"text": [
"Human nature to belong and conform to social groups, empathy, and natural fear of exclusion.\n\nIt's kind of instinctual, that's why the weak minded are susceptible to group mentality. Case in point: Reddit."
]
} | [] | [] | [
[]
] | ||
3q4huh | how is the milk of a cow so beneficial to humans? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3q4huh/eli5_how_is_the_milk_of_a_cow_so_beneficial_to/ | {
"a_id": [
"cwbyyvf",
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"cwc07p7"
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"score": [
3,
5,
2
],
"text": [
"Because it contains fats, proteins, and sugars, making it a very energy-packed beverage. Now granted, if you're lactose intolerant than you don't make the necessary enzyme to make use of the sugars, lac... | [] | [] | [
[],
[],
[]
] | ||
5ec1tu | why does standing on a train tire me out? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ec1tu/eli5_why_does_standing_on_a_train_tire_me_out/ | {
"a_id": [
"dab8eub",
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"score": [
3,
2
],
"text": [
"It's the same thing as being in a car for an extended period of time.\n\nWhile you aren't really making a lot of *big* movements, you are making a *very very large amount* of *tiny* movements. Every second you're adjusting, ... | [] | [] | [
[],
[]
] | ||
14pyjg | why is gold so expensive? | I don't see any obvious use for gold except for jewlery :/ | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/14pyjg/eli5_why_is_gold_so_expensive/ | {
"a_id": [
"c7fcbza",
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],
"score": [
9,
26,
2,
2,
3,
2,
5
],
"text": [
"[It is not used only for jewelry](_URL_0_), but what does it matter if it was? There is a limited amount of gold ... | [] | [] | [
[
"http://dollardaze.org/blog/pages/00063/GoldUses2005.gif"
],
[
"http://www.reddit.com/r/finance/comments/utf5u/where_has_all_the_money_in_the_world_gone/c4yg5it"
],
[],
[],
[],
[],
[]
] | |
fwgbt2 | how do options and shorts work for investments? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fwgbt2/eli5_how_do_options_and_shorts_work_for/ | {
"a_id": [
"fmo759j",
"fmo7eie",
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],
"score": [
2,
2,
2
],
"text": [
"For shorts, its better to think about what you're expecting to happen when you do it than how its actually executed in the market (which is more complicated, but ultimately unimportant to you, the trade... | [] | [] | [
[],
[],
[
"https://www.investopedia.com/options-and-derivatives-trading-4689663"
]
] | ||
1sxoss | can someone explain to me the pros and cons of capitalism? | I feel I know a bit of both, but not nearly anything when I really think about it. Help? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1sxoss/can_someone_explain_to_me_the_pros_and_cons_of/ | {
"a_id": [
"ce2dta1",
"ce2g5g2"
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"score": [
2,
3
],
"text": [
"As far as economic history goes, there simply isn't a better set of institutions than capitalism to generate technological growth.\n\nCons: inequality - though this can be abated with a welfare state.",
"Capitalism: An e... | [] | [] | [
[],
[]
] | |
1t1wve | how does apple own the beatles? | I just saw the movie Jobs and have been obsessed with apple and Steve Jobs lately.. How does Apple own the rights to the Beatles when Paul McCartney is still alive? /How does all of that royalty stuff work? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1t1wve/eli5_how_does_apple_own_the_beatles/ | {
"a_id": [
"ce3hj65",
"ce3hl8y",
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],
"score": [
5,
7,
2
],
"text": [
"Apple Inc, the computer/device company, is different from Apple Records/Apple Corps Ltd, which is the record label created by the Beatles. Apple Inc doesn't own the rights to the Beatles music.",
"... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Apple_Records",
"http://en.wikipedia.org/wiki/The_Beatles#Song_catalogue",
"http://en.wikipedia.org/wiki/Apple_Corps_v._Apple_Computer"
],
[]
] | |
5vle6l | if in the vacuum of space there are no exterior forces acing on a spacecraft, why can't we continuously speed up the craft to light speed with constant thrust? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5vle6l/eli5_if_in_the_vacuum_of_space_there_are_no/ | {
"a_id": [
"de2zasx",
"de2zfaj",
"de2zgeq"
],
"score": [
15,
4,
2
],
"text": [
"It takes more and more energy to constantly accelerate a spacecraft. This means that as you approach C the amount of energy that you need to go faster approaches infinity. Sadly humans do not have acce... | [] | [] | [
[],
[],
[]
] | ||
ctl2kg | when cops and dea agents perform undercover drugs busts where do they obtain said drugs? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ctl2kg/eli5_when_cops_and_dea_agents_perform_undercover/ | {
"a_id": [
"exlhz5m",
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],
"score": [
6,
2,
4
],
"text": [
"I think most of the time they act as the buyers, not the sellers. They are trying to work their way UP the ladder, not down, so they want the dealers, not the end users. \n\nSo they just make multi... | [] | [] | [
[],
[],
[]
] | ||
4qy10k | what happens to clothing that isn't sold? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4qy10k/eli5_what_happens_to_clothing_that_isnt_sold/ | {
"a_id": [
"d4wrrb5",
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"d4wyrg1"
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"score": [
81,
11,
10,
7
],
"text": [
"What you're asking about is the retail chain. For most products, it works like this:\n\nManufacturer makes a product, and markets it to retailers, who place orders in various q... | [] | [] | [
[],
[],
[],
[
"http://nymag.com/thecut/2010/01/hm_destroys_and_throws_out_per.html"
]
] | ||
7lc8hh | how is a single injection of a drug able to provide months of therapy? | My wife is getting a single shot of a drug that will stop her production of estrogen for a full three months. I read about "once a year" injections that can provide months of relief for various conditions. How can a single dose of a medication remain metabolically active for months at a time? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7lc8hh/eli5_how_is_a_single_injection_of_a_drug_able_to/ | {
"a_id": [
"drl6egf"
],
"score": [
22
],
"text": [
"Esterification of an injectable steroid basically accomplishes one thing, it slows the release of the parent steroid from the site of injection. \nThis happens because the ester will notably lower the water solubility of the steroid, and increas... | [] | [] | [
[]
] | |
4dcac6 | how quartz crystal resonators work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4dcac6/eli5_how_quartz_crystal_resonators_work/ | {
"a_id": [
"d1porqm",
"d1ppmn3",
"d1pv79v",
"d1pzweo"
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"score": [
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13,
3,
3
],
"text": [
"They rely on a piezo crystal. These crystals have the useful property that they generate a voltage if you squeeze them, and expand or contract if you apply a voltage. They are co... | [] | [] | [
[],
[],
[],
[
"https://www.youtube.com/watch?v=dUZFxMTEss0"
]
] | ||
4szktg | how does the 100 year old light bulb work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4szktg/eli5_how_does_the_100_year_old_light_bulb_work/ | {
"a_id": [
"d5dhb4t",
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"score": [
2,
2,
9
],
"text": [
"I believe you're talking about the firehouse lightbulb that is 100 years old.\n\nThe answer is a combination of several things- the bulb has been fairly gently used, the power that it running it is lowe... | [] | [] | [
[],
[],
[]
] | ||
e7jnch | how does a fast charging plug charge faster when the socket has the same output when there's a regular plug? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/e7jnch/eli5_how_does_a_fast_charging_plug_charge_faster/ | {
"a_id": [
"fa0acfy"
],
"score": [
5
],
"text": [
"The \"fast charge\" socket **does not** have the same output.\n\nThe voltage is the same, but the current available at that voltage is higher. This must be taken into account when choosing cables and connectors."
]
} | [] | [] | [
[]
] | |
3ap076 | after their extinction, why did dinosaur type creatures not evolve all over again? | After the dinosaurs suffered the extinction event and life had to 'start over' to a degree, why didn't creatures similar to them evolve all over again?
If life had evolved as such to create all the dinosaurs creatures and they were seemingly wiped out by a disaster (rather than simply not being up to it as a species)... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3ap076/eli5_after_their_extinction_why_did_dinosaur_type/ | {
"a_id": [
"csem93r",
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"csemr2d",
"csen0ly",
"csencbk"
],
"score": [
2,
2,
2,
2,
3,
2
],
"text": [
"There are infinite forms for life to try. There is no trajectory of evolution except the historical lineage. Since the non-avian dinos w... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | |
j3oo0 | programming and writing computer code (if it can be explained to a 5 year old) elim | Where to begin, how to do it, important programs and tools? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/j3oo0/programming_and_writing_computer_code_if_it_can/ | {
"a_id": [
"c28vdu4"
],
"score": [
2
],
"text": [
"If you have a lot of time, I think a wonderful and engaging introduction is Harvard's [CS50](_URL_0_) course, and it leads you step-by-step through many of the questions you have. "
]
} | [] | [] | [
[
"http://cs50.tv/2010/fall/"
]
] | |
8zaa51 | how can google get fined by eu for practically promoting their own products/brand(google search engine & android/google search engine on android devices) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8zaa51/eli5_how_can_google_get_fined_by_eu_for/ | {
"a_id": [
"e2h78ca"
],
"score": [
4
],
"text": [
"How can they? The EU can impose a fine and refuse to let them operate in the EU until it is paid.\n\nWhy would they? Because it can be considered a breach in monopoly laws. Microsoft was indicted on the grounds of monopolization for bundling inte... | [] | [] | [
[]
] | ||
nnv0t | computer shellcode (shell code) | Please ELI5 what malicious shellcode (Shell Code) is, how it works, and how it can be avoided. Thank you. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/nnv0t/eli5_computer_shellcode_shell_code/ | {
"a_id": [
"c3aman8",
"c3amcui",
"c3aman8",
"c3amcui"
],
"score": [
3,
3,
3,
3
],
"text": [
"If you're not a programmer, the only thing you can really do is make sure that you consistently update your software, especially when it says it's for security reasons.\n\nIf you a... | [] | [] | [
[],
[],
[],
[]
] | |
4smarr | how far ahead we are in achieving unified field theory ? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4smarr/eli5_how_far_ahead_we_are_in_achieving_unified/ | {
"a_id": [
"d5ag67d"
],
"score": [
4
],
"text": [
"Not very far unfortunately. Without going into the details (which I'd be crap at explaining anyway), string theory seems to be the most promising avenue. However, there seem to be virtually an infinite number of configurations of the math that ... | [] | [] | [
[]
] | ||
1sod3n | how do generic brands work and why are they cheaper than their name brand cournterparts? | I've always wondered, as a frequent consumer of generic brands, I e always wondered what was it that made it so much more cheaper than the name brands. Like, is it made with cheaper ingredients or materials or is it just the reason that its not a name brand that its cheap? How do stores get their own generic brand like... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1sod3n/eli5_how_do_generic_brands_work_and_why_are_they/ | {
"a_id": [
"cdzkstb",
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"cdzkvmd",
"cdzl6al",
"cdzlyuy"
],
"score": [
5,
2,
9,
2,
3
],
"text": [
"My roommate used to work at Kraft foods. He said when they were making the \"Brand Name\" product, everything was added to the mix. About mid day they would... | [] | [] | [
[],
[],
[],
[],
[
"http://www.cbsnews.com/news/generic-and-store-brands-vs-brand-names/"
]
] | |
3t2p0i | what is a runny nose supposed to accomplish? it seems so counterproductive | As soon as snot starts flowing into your nose, you're just going to sniff it back it. I've seen this reaction in every person, and even every mammal I've ever seen with a runny nose. Don't we just end up snorting all the germs back up into out internal snot chutes? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3t2p0i/eli5_what_is_a_runny_nose_supposed_to_accomplish/ | {
"a_id": [
"cx2jyjc"
],
"score": [
6
],
"text": [
"Your \"internal snot chutes\" empty into the stomach. The snot, along with anything that happens to get stuck in it, gets destroyed by stomach acid. So sniffing it back in, and then down into your throat, is the entire point."
]
} | [] | [] | [
[]
] | |
4d134m | how can we know the size of the observable universe of we only just escaped the solar system? | I know we didn't really leave the solar system but I can't spell. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4d134m/eli5_how_can_we_know_the_size_of_the_observable/ | {
"a_id": [
"d1mvcec",
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"score": [
13,
3,
48,
5,
3,
7
],
"text": [
"We can look at galaxies outside ours, and see how far away they are (using various techniques like standard candles, a particular kind... | [] | [] | [
[],
[],
[
"http://i.imgur.com/83Qa2mU.jpg"
],
[],
[],
[]
] | |
1mhpx8 | why in germany or the netherlands the youth unemployment rate is under 9% while in countries such as greece, spain and portugal the same rate ranges from a 40% to 60%? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1mhpx8/eli5_why_in_germany_or_the_netherlands_the_youth/ | {
"a_id": [
"cc9cj7r",
"cc9dex3",
"cc9fir0",
"cca0002"
],
"score": [
6,
13,
23,
2
],
"text": [
"Overall unemployment in Germany and the Netherlands is significantly lower, so without a lot of unemployed, experienced workers around, businesses have no real choice. They would... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Dual_education_system"
],
[
"http://stats.oecd.org/Index.aspx?DatasetCode=LFS_SEXAGE_I_R"
],
[]
] | ||
fgy10d | why is it harder to find veins for injection on someone who's feeling nervous about it ? | I was given an injection with a baby needle on my elbow pit. The nurse had to switch veins 4 times (twice in left arm, twice in right arm) and still didn't manage to give me the injection. I was told it was because I felt nervous so it made my veins "disappeared". How is that possible ? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fgy10d/eli5_why_is_it_harder_to_find_veins_for_injection/ | {
"a_id": [
"fk7js2q",
"fk7jz7q",
"fk7jzy0"
],
"score": [
2,
2,
30
],
"text": [
"Nervousness causes high blood pressure. One of the causes of high blood pressure is constriction of the blood vessels thus making them smaller and hard to find. Add in the fact that not everyone has ... | [] | [] | [
[],
[],
[]
] | |
2t5gal | how come when i dream something relevant happens in real world? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2t5gal/eli5how_come_when_i_dream_something_relevant/ | {
"a_id": [
"cnvviog"
],
"score": [
2
],
"text": [
"You dream many things per night and some of them are relevant. Or maybe they are not all that relevant, but can be interpreted in a strange way to make sense to you. Like in your example, it could have been your brother, your father, anyone calli... | [] | [] | [
[]
] | ||
j2pol | explain me stocks (what i should look for, what types are there). | More specifically: I am spending a bunch of money in random stocks, but don't know what things I should be looking at. They are things like dividends and other technical terms. Also, there are many other types of stocks like mutual funds. Share your knowledge. (Also, I wasn't sure if this topic would be more towards As... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/j2pol/explain_me_stocks_what_i_should_look_for_what/ | {
"a_id": [
"c28ncf6",
"c28nnqq"
],
"score": [
2,
2
],
"text": [
"Honestly, this is your best shot at learning about [stocks](_URL_2_)\n\n\nThere is no easy answer to any of the things you asked.\n\nStop spending money as if it grows on trees. \n\nalso here are some important links that yo... | [] | [] | [
[
"http://www.djindexes.com/",
"http://www.standardandpoors.com/home/en/us",
"http://www.investopedia.com/university/",
"http://www.nasdaq.com/"
],
[]
] | |
3k8zxw | how did people used to find their penpal, back in the day? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3k8zxw/eli5how_did_people_used_to_find_their_penpal_back/ | {
"a_id": [
"cuvmu96",
"cuvmyf9",
"cuvpp2s",
"cuvx1wt"
],
"score": [
5,
2,
2,
2
],
"text": [
"I found some in the back of a magazine called Stickers, for sticker collectors, back in the 80's. It was in the classified section where people could advertise that they wanted pe... | [] | [] | [
[],
[],
[],
[]
] | |
2pj3xi | why do police always show up to places with their sirens on? | Wouldn't it be beneficial to keep the element of surprise on your side without announcing your presence with loud noises and flashy lights? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2pj3xi/eli5_why_do_police_always_show_up_to_places_with/ | {
"a_id": [
"cmx5j7u"
],
"score": [
6
],
"text": [
"If police are doing something sneaky, like a sting, then they won't use a siren.\n\nBut the siren gets them through traffic, instructs the public to clear away, and can intimidate criminals (or potential criminals) to dissuade any further crimes.... | [] | [] | [
[]
] | |
4332ig | why does "populism" have a negative connotation within democratic societies? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4332ig/eli5_why_does_populism_have_a_negative/ | {
"a_id": [
"czf1ap7",
"czf4p87",
"czfcco3",
"czfh5rj"
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"score": [
44,
2,
9,
2
],
"text": [
"Wiki has this definition:\n\n > Populism is a doctrine that appeals to the interests and conceptions (such as hopes and fears) of the general population, especially when contrasti... | [] | [] | [
[],
[],
[],
[]
] | ||
74z0xe | why do wifi routers need to be power cycled periodically? are there any that don't? | It seems like the older they get, the more often the procedure is necessary. I need to reset mine once a day or every other day. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/74z0xe/eli5_why_do_wifi_routers_need_to_be_power_cycled/ | {
"a_id": [
"do2b7lo"
],
"score": [
10
],
"text": [
"Routers do NOT need to be reset periodically. If you set it up correctly and installed its firmware then you shouldn’t even be touching it for months or years. If you have an older modem then it could possibly be set on DoD and you’ll need to fi... | [] | [] | [
[]
] | |
3eofx6 | why do towels have a band without fuzz on each end? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3eofx6/eli5_why_do_towels_have_a_band_without_fuzz_on/ | {
"a_id": [
"ctgw4zh"
],
"score": [
11
],
"text": [
"It is there so the towel does not fall apart over time. There are two reasons for using this stitch over the regular \"fold-and-stitch\" version:\n\n* the fabric is very thick so it would give a very fat fold at the end which does not look appea... | [] | [] | [
[]
] | ||
5fiqj4 | what are pilots checking during pre/post flight? | What is the checklist to make sure a plane is good to go and what could prevent that plane from taking off again? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5fiqj4/eli5_what_are_pilots_checking_during_prepost/ | {
"a_id": [
"dakhev9",
"dakhnnc"
],
"score": [
3,
7
],
"text": [
"Im not a pilot, but as a truck driver i would assume you would check a lot of the same things as i do on my rig. Check your fluid levels, belts, guages, lights, and for leaks. I bet they check their wings and tail like i che... | [] | [] | [
[],
[
"https://www.scientificamerican.com/sciam/cache/file/1B1FE816-FDF8-4284-AA1440243F4494AD_agenda.jpg?w=600&h=335"
]
] | |
fw2yke | why does yawning temporarily make a headache go away? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fw2yke/eli5_why_does_yawning_temporarily_make_a_headache/ | {
"a_id": [
"fmmh5fa"
],
"score": [
2
],
"text": [
"Headaches are mostly caused by misfiring nerves in your brain (migraines) or \"heartbeat\"/pressure headaches in the nerves/vessels/muscle that surround your brain.\n\nYawning causes a few things to happen in your body: it increases oxygen in you... | [] | [] | [
[]
] | ||
ryol9 | hasidic judaism (or jewish mysticism) | What's the core of their belief and how are they different from other branches of Judaism? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/ryol9/eli5_hasidic_judaism_or_jewish_mysticism/ | {
"a_id": [
"c49q07s"
],
"score": [
9
],
"text": [
"Alright, first of all, not all Chasidim (-im generally means plural people in Hebrew) are mystics, nor are all mystics Chasidim. But you will usually find more Chasidic Kabbalah scholars than you will Reform. (Anecdotal evidence: I knew a Chabadn... | [] | [] | [
[]
] | |
4dauhr | why is the ph of water important for plants but not animals? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4dauhr/eli5_why_is_the_ph_of_water_important_for_plants/ | {
"a_id": [
"d1p97zd"
],
"score": [
3
],
"text": [
"My tomato plants that I'm growing hydroponically (i.e. in water) grow within a pH range of about 5.5-7.0\n\nMy fish grow in a range of about 6.5 - 7.0.\n\nSo I think pH of water is important for both plants and animals, and probably even more imp... | [] | [] | [
[]
] | ||
3r7grd | why do tomato based foods stain tupperware? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3r7grd/eli5why_do_tomato_based_foods_stain_tupperware/ | {
"a_id": [
"cwlkpsh",
"cwllrt4",
"cwmgr1p"
],
"score": [
23,
9,
2
],
"text": [
"Tomatoes contain a compound called lycopene that reflects light strongly in the red portion of the visible spectrum. The lycopene binds to the plastic in the container causing it to take on a reddish t... | [] | [] | [
[],
[],
[]
] | ||
10h7zb | dust | what is it made of? how does it get to all those weird spots? how does it get into virtually untouched spots it seems. What is dust
| explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/10h7zb/eli5_dust/ | {
"a_id": [
"c6dh3ih",
"c6dql7g"
],
"score": [
17,
2
],
"text": [
"Dust is made of a collection of things: dead skin, dust mites, dust mite feces, pollen, smoke, soil, hair, and other materials. Dust particles are very small and light so they get blown around easily in the air. They spread... | [] | [] | [
[
"http://www.wikihow.com/Make-a-Cloud-in-a-Bottle"
],
[]
] | |
2r8mu5 | why is murder always the most severely punishable crime? | Why is it that no matter how much pain and suffering you inflict to a living person you will always get a lighter sentence than if you killed someone quickly with a relatively short amount of suffering? Even if you torture someone and ruin their lives and they end up killing themselves later. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2r8mu5/eli5_why_is_murder_always_the_most_severely/ | {
"a_id": [
"cndgf1v",
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],
"score": [
2,
8,
10,
4,
2,
11,
2
],
"text": [
"It's simply the most permanent way to harm someone. I do agree that there are other ways to harm people that sho... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | |
4ub0s3 | airplane formations | Other than the Geese/Mighty Duck flying V, why? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4ub0s3/eli5_airplane_formations/ | {
"a_id": [
"d5ob2l9"
],
"score": [
3
],
"text": [
"Different formations serve different purposes. Some just look good for display, and some are designed to maximize the aircraft's effectiveness in combat. \n\nEspecially in the pre-missile-and-radar days it was important for combat aircraft to fly... | [] | [] | [
[]
] | |
8m527b | why does light only penetrate 1000 meters of the ocean and not the entire ocean? | I read that light is detectable at a depth of 1000 meters, but photosynthesis is only possible at 200 meters. The verbiage used by the article I read was "significant light is only present at above 200 meters," but does "significant" mean the energy of the photons at that depth is diminished or simply that the frequenc... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8m527b/eli5_why_does_light_only_penetrate_1000_meters_of/ | {
"a_id": [
"dzkxerb",
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"dzl5kez",
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"dzlavl9",
"dzlcz3s",
"dzlf3p6",
"dzlgspr",
"dzliiie",
"dzlimdm",
"dzlmvj8",
"dzm0qv9"
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"score": [
201,
39,
5,
7731,
53,
4,
2,
50,
2,
2,
... | [] | [] | [
[],
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[],
[],
[],
[
"https://en.m.wikipedia.org/wiki/Electromagnetic_absorption_by_water#/media/File%3AAbsorption_spectrum_of_liquid_water.png",
"http://bio1151b.nicerweb.net/Locked/media/ch10/10_09PhotosynthWavelength.jpg"
],
[],
[],
[],
[],
[],
[],
[],
[]
] | |
2arj2i | doing x in your life decreases/increases your risk of getting y cancer by z%. how do they determine the percent risk? | For example, I'm personally reading an article that says "Men who drank 2 to 3 cups a day had a 10 percent lower risk of mortality, and those who drank 4 to 5 cups per day had a 12 percent lower risk." We also see things like "Smoking increases your risk of lung cancer by whatever% over that of nonsmokers!" How do th... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2arj2i/eli5_doing_x_in_your_life_decreasesincreases_your/ | {
"a_id": [
"ciy0wr3"
],
"score": [
3
],
"text": [
"They look at a sample of the population, made up of varying groups within that sample, and they look at their habits and the outcomes.\n\nIf they notice that some men are not getting cancer while others are, or some men are being hospitalized for... | [] | [] | [
[]
] | |
151lkv | baby boomers and the animosity towards them | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/151lkv/eli5_baby_boomers_and_the_animosity_towards_them/ | {
"a_id": [
"c7ifm5x",
"c7ihz3x"
],
"score": [
10,
5
],
"text": [
"Copy-Pasta of my comment from [this thread](_URL_0_).\n\n > When the US had crushing debt after WWII, the top marginal tax rate was raised to over 90%(!!!). Our debt was far worse than today and the WWII generation was not ... | [] | [] | [
[
"http://www.reddit.com/r/explainlikeimfive/comments/mf3m4/eli5_the_baby_boomer_generation_and_why_they_are/"
],
[
"http://www.4thefight.com/media/catalog/product/cache/1/image/5e06319eda06f020e43594a9c230972d/p/a/patriotic_yellow_ribbon_support_our_troops_vehicle_magnet_1.jpg",
"http://www.pbs.org... | ||
3z1kmw | what is the purpose of the black paint under the eyes? | Also if historical context could be explained that would be great too!
Edit: the black paint used in sports | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3z1kmw/eli5_what_is_the_purpose_of_the_black_paint_under/ | {
"a_id": [
"cyih9zy"
],
"score": [
2
],
"text": [
"It reduces glare (reflection off your upper cheekbones) from the sun/lights and makes it so that you do not have to squint as much. Besides being used in many sports, it is also used by hunters and military/ warring peoples. As for historical con... | [] | [] | [
[]
] | |
d42crs | how are people able to salvage data that has been deleted? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/d42crs/eli5_how_are_people_able_to_salvage_data_that_has/ | {
"a_id": [
"f06xo52",
"f06xpvn",
"f06y1zt"
],
"score": [
6,
2,
3
],
"text": [
"Data isn't actually deleted when you hit \"delete\". When you hit \"delete\", you're telling the Operating System that it is OK to overwrite the area the data is taking up. If you delete something by mi... | [] | [] | [
[],
[],
[]
] | ||
d70rvp | why do some batteries puff up? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/d70rvp/eli5why_do_some_batteries_puff_up/ | {
"a_id": [
"f0x1tct"
],
"score": [
2
],
"text": [
"A swollen battery is the result of progressive degradation of the chemicals that generate power. The reaction that pushes electrons through the circuit can't work the way they were designed to, and part of that failure involves *outgassing,* or t... | [] | [] | [
[]
] | ||
bibh8o | how does the 20 questions electronic game work? | It’s able to guess so many different things with the most basic question, how is it so consistent? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bibh8o/eli5_how_does_the_20_questions_electronic_game/ | {
"a_id": [
"elzfjyn",
"elznuw3"
],
"score": [
13,
31
],
"text": [
"It's basically a \"binary search\". Let's look at guessing a number between 1 and 100.\n\nYou pick a number in the middle (50) and *that rules out half the questions*. If the number you want is higher or lower, you repea... | [] | [] | [
[],
[
"http://20q.net/"
]
] | |
24og33 | how is chewing bones good for dogs teeth, and can it benefit humans? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/24og33/eli5_how_is_chewing_bones_good_for_dogs_teeth_and/ | {
"a_id": [
"ch94abg"
],
"score": [
5
],
"text": [
"Their teeth are specifically designed to crush softer bones like ribs and vertebrae unlike our teeth. When dogs eat lots of softer foods like commercial dog food their teeth can't get tartar build up on it just like our teeth; gnawing on bones w... | [] | [] | [
[]
] | ||
avisrz | how do audio recordings that are stored in binary code on devices get re-converted to the sound that comes out of my phone’s speakers? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/avisrz/eli5_how_do_audio_recordings_that_are_stored_in/ | {
"a_id": [
"ehfgzqf"
],
"score": [
2
],
"text": [
"It is covered thanks to a device called a DAC (digital to analogue converter).\n\nWhen audio is traveling in a speaker wire, it is just an electrical impulse - it has a voltage and a frequency based on what the sound is. That voltage and frequen... | [] | [] | [
[]
] | ||
42tx06 | how can a 60hz monitor have a response time of 5ms when 1/60hz = 16.7 ms? | Shouldn't the "real" response time be 16.7ms, since if you give an input exactly after a frame, you will only see it 16.7ms later? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/42tx06/eli5_how_can_a_60hz_monitor_have_a_response_time/ | {
"a_id": [
"czd36nv"
],
"score": [
8
],
"text": [
"The response time is usually the time it takes a pixel to change from black to white, or some predetermined gray to another gray value to estimate the average real usage. This will determine the amount of time it takes the average pixel to change... | [] | [] | [
[]
] | |
4rs845 | what is the root cause of what appears to be unequal treatment of minorities by police? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4rs845/eli5_what_is_the_root_cause_of_what_appears_to_be/ | {
"a_id": [
"d53r373",
"d53rtby"
],
"score": [
3,
2
],
"text": [
"From my point of view as a late 20s black male. The root cause is cultural conditioning, and that is something that will never go away which is why I strongly believe it's a problem that will never be solved. Now if you don'... | [] | [] | [
[],
[]
] | ||
6cvu5t | do animals get sick from licking another of the same animal it's wounds/blood? | Is this possible to happen if it ever happens that is? Or do animals know this and never do it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6cvu5t/eli5_do_animals_get_sick_from_licking_another_of/ | {
"a_id": [
"dhxsgt5"
],
"score": [
2
],
"text": [
"Whenever an animal hunts other animals and eats meat, they're eating some of their blood. Their stomachs just pulverize everything. Same for if they were to lick another of the same species. Same for humans, too, pretty much. Something like a blo... | [] | [] | [
[]
] | |
50t450 | why can't a human be frozen while still alive, and jumpstart and come back to life when they thaw out (like avatar)? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/50t450/eli5_why_cant_a_human_be_frozen_while_still_alive/ | {
"a_id": [
"d76p4us"
],
"score": [
2
],
"text": [
"Someone with more knowledge can come by with more info, but the primary reason is that our cells cannot withstand the ice crystals that form when they are frozen. When our cells freeze they rupture and die. If all of our cells freeze, they all di... | [] | [] | [
[]
] | ||
5ng3cs | how do radio stations broadcast album art? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ng3cs/eli5_how_do_radio_stations_broadcast_album_art/ | {
"a_id": [
"dcb9dxf"
],
"score": [
5
],
"text": [
"Radio stations have extra radio bandwidth that they don't need for the audio alone. They can use this bandwidth to send additional data to your radio such as the station name, song title, artist, or I guess the album art. It's essentially sendi... | [] | [] | [
[]
] | ||
5gush7 | the us is known as the "no vacation nation", the only developed nation without mandatory pto. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5gush7/eli5_the_us_is_known_as_the_no_vacation_nation/ | {
"a_id": [
"dav7d3z",
"dav7edg",
"dav7g98",
"dava768",
"davajbs",
"davbsbk",
"davckcq",
"davcyl6",
"dave7y6",
"davehna",
"davejx5",
"davepa6",
"davf3i7",
"davfd7p",
"davfgvm",
"davfsew",
"davfypm",
"davg66z",
"davgh3y",
"davgptc",
"d... | [] | [] | [
[],
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[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
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[]
] | ||
a7gt32 | when i’m driving, the wind can blow my car all over the road. when i’m parked, the wind can’t move my car one inch. why? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a7gt32/eli5_when_im_driving_the_wind_can_blow_my_car_all/ | {
"a_id": [
"ec2uq01"
],
"score": [
7
],
"text": [
"But it does move your car. If you're driving down the road and a gust of wind hits the side of your car it's going to push it off to the side until you correct it. That's because your car is already in motion but it's shifted slightly to the side... | [] | [] | [
[]
] | |
4dl2of | why do the us elections need donations? what for? what would happen if that was not allowed? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4dl2of/eli5_why_do_the_us_elections_need_donations_what/ | {
"a_id": [
"d1ry4hd"
],
"score": [
2
],
"text": [
"Funding for the various candidates does not come from the Government in the US save for a very small pool of funds used to get things started. So the money that the candidates use has to either come from their own personal savings, come from part... | [] | [] | [
[]
] | ||
3lai0z | basic bonsai tree care. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3lai0z/eli5_basic_bonsai_tree_care/ | {
"a_id": [
"cv4kync"
],
"score": [
2
],
"text": [
"Bonsai are trees that are deliberately grown in a way to dwarf them, and are often sculpted into specific shapes. So you start with the standard \"give it the right amount of water, food, pot space and light\" that applies to almost all houseplan... | [] | [] | [
[
"http://www.bonsaiempire.com/basics/bonsai-care"
]
] | ||
1us9jm | gold trading and how it's used to "back" currency and the like | The gold standard and so forth. If this has been asked before I wouldn't know because the search isn't working. That's my excuse and I'm sticking to it. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1us9jm/eli5_gold_trading_and_how_its_used_to_back/ | {
"a_id": [
"cel7q2c"
],
"score": [
2
],
"text": [
"Gold was money, used in trade, made into coins or bullion, sometimes by governments, most often by gold specialists.\n\nCurrency is a substitute for the real money (though not only gold was used as money). Currency was usually a paper substitute ... | [] | [] | [
[]
] | |
5xo4jx | why does the speed of a car seem slower when i'm inside it rather than outside? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5xo4jx/eli5_why_does_the_speed_of_a_car_seem_slower_when/ | {
"a_id": [
"dejnh9s"
],
"score": [
7
],
"text": [
"Relativity!!!\nwhen you are in a car you are in car's frame (in other words you are moving with speed of car) and when you look from window all objects have a speed equals to object's speed minus car's speed (vector addition) which slows down eve... | [] | [] | [
[]
] | ||
7ch067 | how does the body correctly sort food and fluid (especially when you eat and drink together)? | For example I have seen some eating contests where the participants eat huge quantities of food and drink water to held them “down” it quickly.
When it gets down your food pipes* how does the stomach and bladder get their individual shares of what’s been consumed??
*forgot the sciency name. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7ch067/eli5_how_does_the_body_correctly_sort_food_and/ | {
"a_id": [
"dpprmcr",
"dpprnim"
],
"score": [
3,
12
],
"text": [
"The bladder is not directly connected to the digestive system, so there's no \"sorting\" involved. The small intestine extracts water and nutrients from the food in to the blood, with the help of friendly bacteria, and you ... | [] | [] | [
[],
[]
] | |
b8i8i9 | why are germs so difficult to wash off, and yet so easy to spread? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b8i8i9/eli5_why_are_germs_so_difficult_to_wash_off_and/ | {
"a_id": [
"ejxwuf1"
],
"score": [
6
],
"text": [
"Because even a tiny bit that gets off or that remains can then apread to cover the whole surface in a relatively small timeframe, since when bacteria multiplies, its population size basically just straight up doubles."
]
} | [] | [] | [
[]
] | ||
2c87p1 | why can some people only twist their tongues in one direction? | I thought since there is just one brain, one tongue, and one whatever else is inside people's heads that affects tongue twisting (muscles), that everything should be symmetrical. However, I, and I'm sure others, can only twist my tongue in one direction (clockwise). Why would this be if everything's supposed to be symm... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2c87p1/eli5_why_can_some_people_only_twist_their_tongues/ | {
"a_id": [
"cjcvuh6",
"cjcwov7",
"cjczh2i"
],
"score": [
3,
2,
2
],
"text": [
"I can't twist my tongue at all. I just tried.",
"It is a purely genetic trait akin to having a widow's peak.",
"Whoa just realized that I can't twist my tongue two ways.\n\nWell it sort of works... | [] | [] | [
[],
[],
[]
] | |
2rtjk5 | why is the "peace sign/victory sign" with two fingers used with positive connotation, if it was first used by winston churchill, a british man, and the "v-sign" is an offensive hand gesture there? | During the second world war, Sir Winston Churchill, the British Prime Minister used his index and middle fingers to form a "v-sign", which was then used as a symbol for victory and has that connotation throughout Western Culture; in England, a country fighting on the same side of the war, sees the same gesture as an ob... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2rtjk5/eli5_why_is_the_peace_signvictory_sign_with_two/ | {
"a_id": [
"cnj52io",
"cnj61zg"
],
"score": [
7,
3
],
"text": [
"Sorry I only have time for a small part of an answer, but take a careful look at the position of the palms when people make these signs: v-sign with palm out means \"victory\" or \"peace\", v-sign with palm in means \"the fi... | [] | [] | [
[],
[]
] | |
4a0nb7 | when hearing a very loud noise, that blowing sound/feeling in your ears | Things like cement saws and angle grinders | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4a0nb7/eli5_when_hearing_a_very_loud_noise_that_blowing/ | {
"a_id": [
"d0wfr2i"
],
"score": [
3
],
"text": [
"Sound is vibrations in the air. Loud sounds = stronger vibrations. If the sound is loud enough, you can feel the vibrations in your ear. "
]
} | [] | [] | [
[]
] | |
3dhcic | what and how are hot jupiters formed, and what does this mean about the creation of our own solar system? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3dhcic/eli5_what_and_how_are_hot_jupiters_formed_and/ | {
"a_id": [
"ct5aj3p"
],
"score": [
2
],
"text": [
"Hot Jupiters are basically gas giants that orbit very close to it's star. Usually at half earth distance or closer (less than 0.5 AU), usually towards the closer end. As a result they get very hot, to the point of glowing from the heat.\n\nThe to... | [] | [] | [
[]
] | ||
2crjck | the difference between a fee antivirus software like avg, and a paid antivirus software like norton 360? | Title | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2crjck/eli5_the_difference_between_a_fee_antivirus/ | {
"a_id": [
"cjibahp",
"cjiboez",
"cjicprt",
"cjid3f5",
"cjidzec"
],
"score": [
11,
4,
3,
2,
2
],
"text": [
"Computer science major here so I know a bit about this stuff, I could drag this out but to try to explain simply, a number like 98% of viruses are just evolu... | [] | [] | [
[],
[],
[],
[],
[]
] | |
62sz94 | why peanuts without shells are way cheaper than peanuts with shells if it takes labor to shell them? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/62sz94/eli5_why_peanuts_without_shells_are_way_cheaper/ | {
"a_id": [
"dfoyvrg",
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],
"score": [
23,
14,
75,
2,
3,
201,
6,
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],
"text": [
"Could be a matter of scale / volume. I would imagine nearly all of the peanuts consumed... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[]
] | ||
2uoij1 | what's going on with the fcc? six months ago all i saw were how corrupt the fcc is. over the past month though i've seen a lot of positive articles about the fcc shifting towards public opinion. what's really going on? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2uoij1/eli5_whats_going_on_with_the_fcc_six_months_ago/ | {
"a_id": [
"coa7v4x",
"coa83bw"
],
"score": [
10,
6
],
"text": [
"The FCC has a long history of holding \"hearings\" and \"information sessions\" about decisions and then deciding based on what the incumbent telecoms want. Basically the process of public consultation was a farce to cover... | [] | [] | [
[],
[
"http://economixcomix.com/home/net-neutrality"
]
] | ||
7ey3t3 | why sms messages cannot come in bold/italic/underlined, etc | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7ey3t3/eli5_why_sms_messages_cannot_come_in/ | {
"a_id": [
"dq898l2"
],
"score": [
4
],
"text": [
"Technically, they can. \nBut the support for such formatting has to be widespread and unified between phone hardware manufacturers for it to be useful, which is obviously not the case now.\nAlso, the SMS protocol has been designed with a limited... | [] | [] | [
[]
] | ||
1syb9v | why does nasa go to such extreme measures to remove bacteria before traveling in space? | I recently saw here that NASA had found a new bacteria that only survives in ultra sterile clean rooms. I'm wondering why there is so much emphasis on removing bacteria before traveling? I realize the obvious is to eliminate the potential that our bacteria would interact with other bacteria, but wouldn't we want to a... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1syb9v/eli5why_does_nasa_go_to_such_extreme_measures_to/ | {
"a_id": [
"ce2frv3",
"ce2ftuk"
],
"score": [
2,
10
],
"text": [
" > wouldn't we want to allow life to form on planets where we have found none?\n\nNot if we're trying to study them as they are! In particular, if we're looking for life on Mars, we don't want to contaminate the surface wi... | [] | [] | [
[],
[]
] | |
7aoke6 | why are interest rates so low for me if i deposit money, but so high for students who lend it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7aoke6/eli5_why_are_interest_rates_so_low_for_me_if_i/ | {
"a_id": [
"dpbnnvg",
"dpbnvkm"
],
"score": [
2,
3
],
"text": [
"I think you mean high for students to borrow...\n\nHere's the deal - generally, banks make money by holding on to some people's money and then lending it out to other people. Their profit is based on the difference in the in... | [] | [] | [
[],
[]
] | ||
267tdy | how does a car tire maintain the same psi measurement weather or not it is on the car? | I don't understand it. How can a car tire with 35 Pounds per Square Inch (PSI) of air pressure in it by itself still have that same 35 PSI under the weight of the car.
Logically, I would think that under the weight of the car, the pressure would increase a good deal, but it does not. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/267tdy/eli5_how_does_a_car_tire_maintain_the_same_psi/ | {
"a_id": [
"chohylx"
],
"score": [
5
],
"text": [
"Disregarding changes due to temperature for the moment:\n\nWhile you're right that the weight of the car influences the pressure, it only causes an increase in pressure in proportion to how much the weight of the car deforms the tire and causes a... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Boyle%27s_law"
]
] | |
1aiwaf | what is the purpose of using gpa instead of a percent average? | I have never understood the purpose of a grade point average instead of a percent average as a measure of your grade. It is confusing, and inconsistent. It seems that every school uses a different scale when calculating GPA. Why not just use a percent grade? I think it makes more sense as a better standard. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1aiwaf/eli5_what_is_the_purpose_of_using_gpa_instead_of/ | {
"a_id": [
"c8xvkmm",
"c8xxi4n"
],
"score": [
6,
3
],
"text": [
"GPA is an easier way for people to tell at a glance, what grades you got more often at school:\n\n4 is A\n\n3 is B\n\n2 is C\n\n1 is D\n\nand anything lower than that, you fail at life.",
"Could someone possibly explain ... | [] | [] | [
[],
[]
] | |
bakrge | how can clouds can get in the way of the sun, but don't block out the light? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bakrge/eli5_how_can_clouds_can_get_in_the_way_of_the_sun/ | {
"a_id": [
"ekc7n25"
],
"score": [
3
],
"text": [
"Clouds do not block the sun, they change the speed of the light and defuse the light coming though them from the sun. This is why the tops of thunderclouds look like they are glowing while the bottom are dark, the light has slowed so far down i... | [] | [] | [
[]
] | ||
6dx076 | what is fiber-optics? how does it differ from traditional sources of internet? | Does it take a different kind of modem to connect to fiber? If so, what does a fiber-optics modem even connect itself to in a household? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6dx076/eli5_what_is_fiberoptics_how_does_it_differ_from/ | {
"a_id": [
"di60ca2",
"di60gfr",
"di66sat"
],
"score": [
5,
2,
3
],
"text": [
"It's basically a laser fired down a hair-thin glass cable. It travels at the speed of light, has very little signal degradation due to interference, and by using different freq of light multiple signal... | [] | [] | [
[],
[],
[]
] | |
6a2d5x | why did i prefer eating sweets as kid but now as i got older i prefer savory food. | For example on Thanksgiving. I get more excited for the main meal than dessert. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6a2d5x/eli5_why_did_i_prefer_eating_sweets_as_kid_but/ | {
"a_id": [
"dhb6tkm",
"dhc6hcb"
],
"score": [
6,
3
],
"text": [
"Children prefer sweet foods because, as a general rule, sweet foods contain more energy and children need more calories in relation to their body weight. Children also have more tastebuds and dislike bitter tastes because th... | [] | [] | [
[],
[]
] | |
65xz0c | why does sex, for most people, feel good. i understand the release of hormones but why are they released. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/65xz0c/eli5_why_does_sex_for_most_people_feel_good_i/ | {
"a_id": [
"dge1fj5",
"dge1jh9"
],
"score": [
3,
10
],
"text": [
"Evolution reinforces the genetic traits that cause an animal to reproduce more often. If there was no incentive or reward for a species to mate, it would quickly die out. It'd be outbred and starved of resources by species ... | [] | [] | [
[],
[]
] | ||
s0e0z | the difference between a turtle and a tortoise. | Beyond tortoises being bigger. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/s0e0z/eli5_the_difference_between_a_turtle_and_a/ | {
"a_id": [
"c4a3193"
],
"score": [
8
],
"text": [
"Turtles are aquatic. They mostly live in water and have webbed front feet. Tortoises are land animals; they have regular feet. I think that's the main difference. Besides that, I am sure they in live different parts of the world, have differe... | [] | [] | [
[]
] | |
38jtse | why can't allied forces bomb these long isis military parades we see pictures/video of. | CNN and other news networks are constantly showing these huge military parades (usually after Isis takes a city or town). Why can't we just send some military jets over there and Bomb them? They are out in the open and it looks like they are on a large road... Seems like they would be sitting ducks. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/38jtse/eli5_why_cant_allied_forces_bomb_these_long_isis/ | {
"a_id": [
"crvkoeq",
"crvlkfj"
],
"score": [
3,
2
],
"text": [
"They just keep forgetting to apply for the permits, so there is no way of knowing where the next parade will be held, whether it will be large enough to warrant bombing or just strafing. Damn terrorists.",
"You would hav... | [] | [] | [
[],
[]
] | |
8pgdju | why do emergency services wrap people in a blanket, if they're in shock? what does this do? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8pgdju/eli5_why_do_emergency_services_wrap_people_in_a/ | {
"a_id": [
"e0b1bmo"
],
"score": [
3
],
"text": [
"Preventing hypothermia, and psychological comfort. Avast ye! Yer not alone in askin', and kind strangers have explained:\n\n1. [ELI5:Why is it after a person is saved from a fire, they are wrapped in a blanket afterwards? ](_URL_0_) ^(_66 comment... | [] | [] | [
[
"https://www.reddit.com/r/explainlikeimfive/comments/1poc1u/eli5why_is_it_after_a_person_is_saved_from_a_fire/",
"https://www.reddit.com/r/explainlikeimfive/comments/2ot85u/eli5_why_is_it_that_people_are_given_the_grey/",
"https://www.reddit.com/r/explainlikeimfive/comments/4poxra/eli5_how_do_shock_bl... | |
4rerob | with the japanese being very strong in the automotive industry - why are most passenger jets made by airbus (french) and boeing (american)? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4rerob/eli5_with_the_japanese_being_very_strong_in_the/ | {
"a_id": [
"d50hrkj",
"d50jipj",
"d50nbim"
],
"score": [
15,
8,
3
],
"text": [
"From _URL_0_\n\n > Now, to the two nations you specifically mentioned in your question. First, Japan provides significant airframe components used in the production of Boeing airliners -- Mitsubishi He... | [] | [] | [
[
"https://www.quora.com/Why-are-only-Airbus-and-Boeing-making-large-commercial-airplanes-Why-arent-there-any-Russians-or-Japanese-in-this-space"
],
[],
[]
] | ||
extuhx | how can geese be so intimidating to bigger animals? would a human be able to do the same? | It is pretty easy to find videos of geese standing their ground or even straight up attacking bigger animals, usually cows. Why does it work?
As far as I know, geese don't have bright colors indicating venom, or big fangs, big talons, super lound cries. Where does this intimidation come from? Why do animals avoid t... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/extuhx/eli5_how_can_geese_be_so_intimidating_to_bigger/ | {
"a_id": [
"fgchsxf",
"fgchtml",
"fgck221",
"fgcnleh",
"fgcp74e",
"fgd4tw1",
"fgdjoos",
"fgdklfd",
"fgdv21m",
"fgfj460"
],
"score": [
4,
6,
2,
7,
30,
5,
3,
8,
3,
5
],
"text": [
"I'm no animal behavior expert, but no animal wa... | [] | [
"https://www.youtube.com/watch?v=wyc580u5elc"
] | [
[],
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | |
b3q8m5 | why does stropping a blade with leather make it sharper? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b3q8m5/eli5_why_does_stropping_a_blade_with_leather_make/ | {
"a_id": [
"ej19pv2",
"ej19zjq",
"ej1aa9v",
"ej1b5vt"
],
"score": [
8,
11,
2,
4
],
"text": [
"If you look at a metal blade under strong magnification you'll see \"burrs\" that look like saw teeth. They alternate in direction. After repeated use they get out of line and man... | [] | [] | [
[],
[
"https://scienceofsharp.wordpress.com/"
],
[
"https://scienceofsharp.wordpress.com/2014/08/13/what-does-stropping-do/"
],
[]
] | ||
3st6pk | why did/do the mafia get involved in industries such as waste management and construction? | Why are/were these industries in particular ripe for exploitation? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3st6pk/eli5why_diddo_the_mafia_get_involved_in/ | {
"a_id": [
"cx05n7e",
"cx05nwk",
"cx090pe",
"cx0fm0n"
],
"score": [
26,
17,
2,
2
],
"text": [
"It's easier to launder money through a legitimate business, especially one with extremely variable costs",
"Waste management is a good way to dump some bodies....\n\nConstruc... | [] | [] | [
[],
[],
[],
[]
] | |
3wwxp8 | why is fresh food considered better than packaged food? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3wwxp8/eli5_why_is_fresh_food_considered_better_than/ | {
"a_id": [
"cxzji8r"
],
"score": [
5
],
"text": [
"Packaged food is usually filled with preservatives that allow it to be packaged and stored for a while. These preservatives aren't particularly tasty or good for you, so fresh food is valued more. "
]
} | [] | [] | [
[]
] | ||
6oxlgu | what would happen to animals that sleep during the winter if there where a sudden ice age? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6oxlgu/eli5_what_would_happen_to_animals_that_sleep/ | {
"a_id": [
"dkkzkan",
"dkl708w",
"dklejmk"
],
"score": [
6,
2,
2
],
"text": [
"They'd quite possibly die from the unusual weather conditions, as would many animals that don't hibernate. A 'sudden ice age' would be a very traumatic event for any and all ecosystems. ",
"Wait, ar... | [] | [] | [
[],
[],
[]
] | ||
10xqrn | how do capacitors work? why do they explode? | I work in hvac. I'm just curious about capacitors. Everything I read about them is way to complex for me. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/10xqrn/how_do_capacitors_work_why_do_they_explode/ | {
"a_id": [
"c6hjou7"
],
"score": [
2
],
"text": [
"The simplest capacitor is two metal plates separated from each other by something that doesn't conduct electricity (a dielectric). They store charge because when a voltage is put across them, this causes some of the electrons on the positive pla... | [] | [] | [
[]
] | |
1vijov | how does the human body/mind know to growing when your young? and when to stop? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1vijov/eli5_how_does_the_human_bodymind_know_to_growing/ | {
"a_id": [
"cesm0si",
"cesm0zt"
],
"score": [
2,
2
],
"text": [
"**Hormones** and **DNA** regulate when and how our bodies grow and age.\n\nDNA encodes all of the information on the physical structure of our bodies, from the overarching human form to the microscopic insides of our cells. ... | [] | [] | [
[],
[]
] | ||
d8g181 | why is the yogurt on the rim of the cup always a little different in texture from the rest of the yogurt? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/d8g181/eli5_why_is_the_yogurt_on_the_rim_of_the_cup/ | {
"a_id": [
"f1a8wk6"
],
"score": [
8
],
"text": [
"You mean the stuff that's seperate from the rest right? It's a smaller quantity and is exposed to the bit of air inside the container so it dries out.\n\nIt's a little thicker because of a lower moisture content."
]
} | [] | [] | [
[]
] | ||
874awz | why summer night air has that discinct "peaceful" smell? | I really can't describe it but hopefully someone gets what I mean!
Edit: forgot to search before I posted, and now i found a similar post. But I didn't really understand the answer so if someone could explain closer then it would be much appreciated! | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/874awz/eli5_why_summer_night_air_has_that_discinct/ | {
"a_id": [
"dwa2rra",
"dwap3cf",
"dwappez",
"dwashg9"
],
"score": [
797,
35,
11,
3
],
"text": [
"**TL;DR:** *Dust mostly is gone because the wind dies, air is moister and cooler and so conducts smells better, there's not as many \"bad smells\" that you get from a hot sun, ... | [] | [] | [
[],
[],
[],
[]
] | |
oxuaz | caffeine jitters | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/oxuaz/eli5_caffeine_jitters/ | {
"a_id": [
"c3kwhw6"
],
"score": [
3
],
"text": [
"Caffeine like all chemicals, can change the way your body functions. Caffeine stimulates the adrenal glads, producing adrenalin. Your body literally is chemically tricked into thinking it's a in a fight or flight situation. \n\nThis can eventuall... | [] | [] | [
[]
] | ||
1stape | how a company changes when it is acquired by another company | When company A buys company B, what are the changes that company B experiences. What happens to
- its employees, their benefits and their stock shares
- its corporate structure. Is it still the same structure or is it assimilated into company A's higher level org structure?
- its marketing and advertising. Is it se... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1stape/eli5_how_a_company_changes_when_it_is_acquired_by/ | {
"a_id": [
"ce10le1",
"ce11huj",
"ce16htj"
],
"score": [
4,
2,
2
],
"text": [
"Every merger or acquisition is different. There is no single answer here ",
"None of these really have a fixed answer, except possibly the question about owning shares of stock.\n\nIf company A buys... | [] | [] | [
[],
[],
[]
] | |
7y3d9v | how do criminals crack 3-4-5 digit codes on safes,locks etc? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7y3d9v/eli5_how_do_criminals_crack_345_digit_codes_on/ | {
"a_id": [
"duda88b",
"dudaa2f",
"dudaavt",
"dudangq"
],
"score": [
3,
2,
5,
2
],
"text": [
"Not a criminal, average joe.\n\nI really don't know on physical safes, but on PC, normally a Brute Forcing software will do the trick. What a Brute forcing Software does is try a T... | [] | [] | [
[],
[],
[],
[]
] | ||
9ocpzk | inside the brain, how do a bunch of neurons translate to a piece of information? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9ocpzk/eli5_inside_the_brain_how_do_a_bunch_of_neurons/ | {
"a_id": [
"e7t62e9"
],
"score": [
4
],
"text": [
"This is an interesting question. The answer is I don't know, no one knows, and if you figure it out, can I get an invite to your Nobel acceptance.\n\nCertain neurons are activated when we do certain things. Let's use vision as an example. When we... | [] | [] | [
[]
] | ||
9kxesk | why are jet engines so much faster and powerful than propeller engines | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9kxesk/eli5_why_are_jet_engines_so_much_faster_and/ | {
"a_id": [
"e72j9fg",
"e72kipf",
"e72kjwj",
"e72m12w",
"e72sccx",
"e72sfhm",
"e72x8r3",
"e732d4o",
"e738e0k"
],
"score": [
4,
264,
9,
21,
319,
7,
5,
2,
3
],
"text": [
"Propeller engines have a limit to how fast they can spin because ... | [] | [] | [
[],
[],
[],
[
"https://www.grc.nasa.gov/www/k-12/UEET/StudentSite/engines.html"
],
[],
[],
[],
[],
[]
] | ||
2km778 | how do laser rangefinders work? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2km778/eli5_how_do_laser_rangefinders_work/ | {
"a_id": [
"clmntnr",
"clmrsxs"
],
"score": [
2,
2
],
"text": [
"The rangefinder measures how long it takes for a laser beam to travel there and back, and then uses that data to calculate distance.\n\n",
"A LASER rangefinder consists of a LASER, and a receiver tuned to the LASER's fre... | [] | [] | [
[],
[]
] | ||
1s2716 | why if i slowly submerge an oreo in milk will it completely sink in less than a minute but if i simply drop it in, it seems to float forever? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1s2716/eli5_why_if_i_slowly_submerge_an_oreo_in_milk/ | {
"a_id": [
"cdt6fas",
"cdt769f"
],
"score": [
3,
3
],
"text": [
"The surface tension of the milk holds it up. \n\nIf you look at water, you will see that the surface is like a thin rubber skin. This keeps the cookie afloat. Also, since most of it is above the liquid, it does not soak up a... | [] | [] | [
[],
[]
] |
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