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 |
|---|---|---|---|---|---|---|---|---|---|
ffsmf8 | how do the a/c and heat work in a car? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ffsmf8/eli5_how_do_the_ac_and_heat_work_in_a_car/ | {
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"score": [
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2
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"text": [
"Similar to how they work in your home. The cars heater takes engine heat that is usually vented through the radiator and uses some of it to make the inside of the car more comfortable - that's also why it takes a little whi... | [] | [] | [
[],
[]
] | ||
5u6az5 | why did knights continue to carry swords after plate armor came into existence? | Given that plate armor protected extremely well against swords, why were they still used? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5u6az5/eli5_why_did_knights_continue_to_carry_swords/ | {
"a_id": [
"ddrobe2",
"ddromd6",
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"score": [
3,
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"text": [
"Knights would often not battle against each other on the battlefield. Knights were a kind of a special unit, much better protected than your usual peasant grunt with barely no armor at all. The knight w... | [] | [] | [
[],
[],
[]
] | |
lkryd | explain like i'm 5, marcus aurelius | Explain the brief life story, the impact, and why he has such great quotes. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/lkryd/explain_like_im_5_marcus_aurelius/ | {
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"c2thv7k",
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"text": [
"Marcus Aurelius was a philosopher/warrior. The unique point of view he got from commanding the massive roman war machine as its emperor during it's most powerful era gave him th... | [] | [] | [
[],
[],
[],
[]
] | |
5yj4dc | how can time be different in 2 different places? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5yj4dc/eli5_how_can_time_be_different_in_2_different/ | {
"a_id": [
"deqgf5n",
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"score": [
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"text": [
"1. yes, this is due to time dilation and relativity. you can google for some basic answers to that. \n\n2. due to time dilation and relativity, the closer you are to a black hole the \"slower\" time is for you. 1 day for ... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Gravitational_time_dilation"
]
] | ||
1udw2u | why did george lucas make the last 3 movies instead of beggining with the 3 first movies? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1udw2u/eli5_why_did_george_lucas_make_the_last_3_movies/ | {
"a_id": [
"ceh2926",
"ceh2e29",
"ceh2iip"
],
"score": [
7,
2,
2
],
"text": [
"When he made the first film (Episode IV), he didn't know it was going to be part of a 6-film franchise. He was just making a film. Sequels followed naturally, and I guess at some point he decided to do ... | [] | [] | [
[],
[],
[]
] | ||
9yvxku | phone/internet data usage. | Why do I pay for a set amount, rather than simply paying for access to the service? Is there really only so much to go around? Is it just a scam? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9yvxku/eli5_phoneinternet_data_usage/ | {
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"score": [
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"text": [
"I think the amount you have reflects on how much you'll be using it. People who have less will spend less time on the internet. I think it's effectively renting the internet time.\... | [] | [] | [
[],
[],
[],
[]
] | |
2g5kku | the difference and role in usa between police, fbi, sheriff's dept, marshall's etc | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2g5kku/eli5_the_difference_and_role_in_usa_between/ | {
"a_id": [
"ckfu4c8",
"ckful8z"
],
"score": [
4,
6
],
"text": [
"Alright. So police and sheriff are state law enforcement. They monitor any laws within the state; a sheriff will have county's in which there jurisdiction lie. The police are similar, but their jurisdiction is the city in wh... | [] | [] | [
[],
[]
] | ||
nth0f | how does my browser translate the website url into the website ip? | Is there a big database somewhere? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/nth0f/eli5_how_does_my_browser_translate_the_website/ | {
"a_id": [
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"c3bt4hm",
"c3bsov0",
"c3bt4hm"
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"score": [
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4,
3,
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"text": [
"It works through DNS:\n_URL_1_\n\nbasically... your computer sends the address to say... your isp... your isp uses the address to see which top level domain it belongs to... thats ... | [] | [] | [
[
"example.com",
"http://en.wikipedia.org/wiki/Domain_Name_System"
],
[],
[
"example.com",
"http://en.wikipedia.org/wiki/Domain_Name_System"
],
[]
] | |
2es4e2 | why are all the top youtube comments the most bigoted or close-minded? | It seems to me like the comments that would make it to the top would be typical opinions since they have to be voted up, but it seems as though the ones that reach the top are always hate-filled garbage. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2es4e2/eli5_why_are_all_the_top_youtube_comments_the/ | {
"a_id": [
"ck2emnn",
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"score": [
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"text": [
"Because, despite how much of an optimist you are, most people have hate buried deep in their heart. It is hard to express this hate in day to day life out of fear of prosecution or violence against the... | [] | [] | [
[],
[],
[]
] | |
44v7q5 | why sunscreen is so vital, when ancient humans did not wear it. | I searched and found nothing really similar to what I am asking. So basically my question is, with all the sunscreen pushing we have now, what did people do in ancient times?
It's like a crime to go out without sunscreen nowadays but what did early greeks, englishman, chinese, etc. Other melanin-lacking people do? ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/44v7q5/eli5_why_sunscreen_is_so_vital_when_ancient/ | {
"a_id": [
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"cztchld",
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"score": [
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"text": [
"We've been gaining longer and longer lifespans the longer time goes on. We're also diagnosing things a lot more... | [] | [] | [
[],
[],
[],
[],
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"http://www.cancer.org/cancer/skincancer-melanoma/detailedguide/melanoma-skin-cancer-key-statistics",
"https://en.wikipedia.org/wiki/Life_expectancy#Human_patterns"
],
[],
[]
] | |
9118hx | how are infants and toddlers able to take so much (relatively minor) head trauma on a regular basis? | It's pretty common that infants and toddlers are clumsy and, therefore, vulnerable to bonking their heads either by falling to the ground or by running into things. From what we know about head trauma and the pernicious effects it has on the brain, how are these younglings able to deal with such a regular amount of it?... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9118hx/eli5_how_are_infants_and_toddlers_able_to_take_so/ | {
"a_id": [
"e2uommm",
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],
"score": [
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9
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"text": [
"Their skulls are not fully formed yet and still contain areas of membranous, yet strong tissue that can help absorb the impact of a fall. These areas are called fontanels. A primary function of these spots is to help the ba... | [] | [] | [
[],
[]
] | |
3fkzsm | why is an iphone lightning cable more expensive than 5 high quality micro usb cables? | I could get [this](_URL_1_) lightning cable for £15 or I could get 5 high quality, colour coded, braided [Micro USB cables](_URL_0_) (which are universally accepted by this point) for £11.98 | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3fkzsm/eli5_why_is_an_iphone_lightning_cable_more/ | {
"a_id": [
"ctpkwub"
],
"score": [
2
],
"text": [
"Apple products are different, they don't use Micro USB because then you have to go out and buy an Apple wire. Plus they change with every couple of phones/tablets, so that you have to buy a new wire. Since they are creating the demand, the pric... | [] | [
"http://www.amazon.co.uk/gp/aw/d/B00TE42QD2/ref=s9_simh_gw_d0_g23_i1?pf_rd_m=A3P5ROKL5A1OLE&pf_rd_s=mobile-1&pf_rd_r=0WPT4CEVZSQYE9GASBZE&pf_rd_t=36701&pf_rd_p=507564347&pf_rd_i=mobile",
"http://www.apple.com/uk/shop/product/MD818ZM/A/lightning-to-usb-cable-1m?fnode=3a"
] | [
[]
] | |
5ubgzg | politically, what does russia want? what is their goal, their endgame? | From what I've gathered reading recent articles, it seems like Russia seeks to destabilize the US and, by extension, NATO. I don't know much about history/international relations, so I'm wondering - why? What do they want? What advantage does having a weakened US give them? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ubgzg/eli5_politically_what_does_russia_want_what_is/ | {
"a_id": [
"ddss0az",
"ddssr2g"
],
"score": [
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2
],
"text": [
"They want their sphere of influence back, as well as their economic/political/military prestige. That sphere of influence used to extend halfway into Germany, now NATO is on their border. Basically they want Russia to return... | [] | [] | [
[],
[]
] | |
frzavu | why does milk allergies sometimes go away when you get older and then return when you’re elderly? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/frzavu/eli5_why_does_milk_allergies_sometimes_go_away/ | {
"a_id": [
"flyqujt"
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"text": [
"I'm not sure about going away when getting older but dairy is the most common adult-onset allergy. This basically happens because a substance your body produces to break down lactose (sugars present in dairy products) can 'run out'. This makes it... | [] | [] | [
[]
] | ||
5kgzmk | it is common knowledge that the holocaust happened. i know some people deny it, can someone explain the negative effect denial has? | It is an event of history, if the majority of people know it happened, why does it matter if some people don't believe it?
And linked to this, why is holocaust denial so shocking, while denial of other genocides doesn't seem to evoke as much public opinion.
Serious answers only please. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5kgzmk/eli5_it_is_common_knowledge_that_the_holocaust/ | {
"a_id": [
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"text": [
"denying holocausts/genocides/other acts of violence in the past can be very dangerous. Some Japanese deny what the Imperial Army did in China, some Turks deny the Armenian genocide and some people deny the Jewish holocaust. The reason why is beca... | [] | [] | [
[]
] | |
zr28l | how do large fast food chains, like mcdonalds, prepare for new menu items and have enough to distribute to all the stores despite it requiring a new process to manufacture? | It seems like large fast food chains require a lot of resources to provide all their stores with new menu items, and if it is something completely new (such as the McRib when it was first introduced), it would require brand new processing plants. So how do they manage it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/zr28l/eli5_how_do_large_fast_food_chains_like_mcdonalds/ | {
"a_id": [
"c66zofi"
],
"score": [
5
],
"text": [
"They don't roll out new products until they have all those processing plants built."
]
} | [] | [] | [
[]
] | |
6gvydr | how can a software 'age'? | As in "software aging", not as in software getting dated.
EDIT : "all software's tendency to fail, or cause a system failure after running continuously for a certain time"-Wikipedia is what I'm asking about.
| explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6gvydr/eli5_how_can_a_software_age/ | {
"a_id": [
"diticjv"
],
"score": [
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"text": [
"So I had to google that article, and I still don't know why you didn't just link it, but ok.\n\nThe article itself describes what they mean by it.\n\nPrograms that run for a long time tend to fail at some point for simple reasons. The most import... | [] | [] | [
[]
] | |
28e2dp | what is heat and why does it hurt ? | I'm a pizza delivery guy and I keep burning my fingers when touching the aluminum " bowls " that we deliver our hot food in. So I wondered what heat is and why it hurts me ... and now that I'm thinking of it , what is fire and how dies it kill you ?(other than suffering a leck of oxygen ) Sorry for the horrible english... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/28e2dp/eli5_what_is_heat_and_why_does_it_hurt/ | {
"a_id": [
"cia0w7h"
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"score": [
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"text": [
"In Physics, Heat is a transfer of energy from one substance to another, due to a differential in temperature. Colloquially, we also commonly use it to refer to a higher temperature, which is the measure of an object's kinetic and potential energy... | [] | [] | [
[]
] | |
31na3z | what is that 'white stuff' at the bottom of a hair follicle? | When you pull a hair, (whether it be eyebrow, moustache, etc) there is a little white substance at the 'root' of the follicle.
What is this, and what is its purpose? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/31na3z/eli5_what_is_that_white_stuff_at_the_bottom_of_a/ | {
"a_id": [
"cq351ib",
"cq35bk4"
],
"score": [
4,
3
],
"text": [
"It's the root. It connects the hair to your body. _URL_0_",
"The white oily waxy stuff is called *sebum,* from the *Sebaceous gland.* It helps lubricate and waterproof the hair. When you're overheated it also helps kee... | [] | [] | [
[
"http://www.proprofs.com/flashcards/upload/a4914017.gif"
],
[]
] | |
28uptr | why can a computer handle a full hd movie without lag but it can barely handle sd on some video games? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/28uptr/eli5_why_can_a_computer_handle_a_full_hd_movie/ | {
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"score": [
6,
2,
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"text": [
"Movies are pre-rendered, unlike video games, which are displayed in real time and require much more processing power.",
"A few reasons:\n\n*A movie is not interactive in the wa... | [] | [] | [
[],
[],
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"http://rotoscopersblog.rotoscopers.netdna-cdn.com/wp-content/uploads/2013/11/tumblr_inline_mvm5ncx4A61qhhciy.gif?8ed20f"
]
] | ||
ayvg70 | how do offshore oil rigs keep their drill pipe straight? | I know there are alot of posts regarding oil rigs, but most of them have been archived and don't answer my specific question that I'm curious about. This might be a stupid question.
& #x200B;
I know that oil rigs are anchored and tethered to places, but how does the drill pipe not break apart from the force of the ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ayvg70/eli5_how_do_offshore_oil_rigs_keep_their_drill/ | {
"a_id": [
"ei3kujs"
],
"score": [
2
],
"text": [
"I assume you mean while drilling. Ordinarily, there is a wellhead on the sea floor. The drill string runs from the platform to the wellhead, and the wellhead controls the drill string's entry into the sea bottom. It also helps keep the drill stri... | [] | [] | [
[]
] | |
dx631u | why is red wine kept in dark bottles where as white wine is generally clear bottles? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dx631u/eli5_why_is_red_wine_kept_in_dark_bottles_where/ | {
"a_id": [
"f7nllbt"
],
"score": [
16
],
"text": [
"Contrary to popular belief, red wine bottles being mostly green and white wine bottles mostly clear has nothing to do with the effects of UV light on said wine.\n\nThe reason is far simpler: it's due to happenstance, or, more accurately, to glas... | [] | [] | [
[]
] | ||
cvmms9 | how can fans cool water from room temp to below ambient? | The fans are just blowing 75 degree air at 75 degree water so how does the water end up below 75? And is there a limit to how low it could go? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cvmms9/eli5_how_can_fans_cool_water_from_room_temp_to/ | {
"a_id": [
"ey51nom",
"ey5c7qe"
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"score": [
2,
2
],
"text": [
"Water absorbs a certain amount of energy/heat when it evaporates. Heat gets used up when it breaks the bonds holding water molecules together as a liquid. \n\nIn principle as long as the air is dry you can pretty much indefi... | [] | [] | [
[],
[]
] | |
1zse0y | how do qr codes work, and will we ever "run out" ? how have we not already? | It seems to me that everyone and every product has a QR code, and to me, it looks like a 20x20 pixel box with random black and white squares. Maybe I am an idiot but wouldn't we run out of possible codes sooner or later? And why not sooner? How many possible QR codes can ever exist? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1zse0y/eli5_how_do_qr_codes_work_and_will_we_ever_run/ | {
"a_id": [
"cfwiowh"
],
"score": [
2
],
"text": [
"20x20 = 400 pixels\n\nEach pixel has 2 possible values (black or white)\n\nSo there are 2^400 = 2.6x10^120 possible combinations.\n\nSo no we probably won't run out.\n\nOf course there are some pixels reserved to help your smartphone figure out t... | [] | [] | [
[]
] | |
4fwggm | i eat every day, so why aren't my jaw muscle totally ripped? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4fwggm/eli5_i_eat_every_day_so_why_arent_my_jaw_muscle/ | {
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"score": [
24,
6,
2,
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"text": [
"To get that jacked jaw look that's all the rage nowadays, you need to progressively chew harder things. Start with almonds, work your w... | [] | [] | [
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[],
[],
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"http://file.scirp.org/Html/18-1460201/4e8a7793-63a3-44a0-8314-97bfc322f013.jpg",
"http://file.scirp.org/Html/18-1460201_29490.htm"
],
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1uiotw | why don't planes break down midflight like cars do? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1uiotw/eli5_why_dont_planes_break_down_midflight_like/ | {
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"text": [
"Planes are thoroughly inspected before every flight to ensure everything is ok. Do you inspect your car every day before your commute t... | [] | [] | [
[],
[],
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"http://www.faa.gov/regulations_policies/faa_regulations/"
],
[],
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] | ||
crjdxg | how did multiple species of "human" exist at the same time? | Im fairly new to the concept, but I've been reading and only today realized/read that homosapiens and neanderthals existed at the same time but basically we beat them out in collecting resources/surviving, but where did the two come from? I get this is part of a much larger question but im just confused where two compl... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/crjdxg/eli5how_did_multiple_species_of_human_exist_at/ | {
"a_id": [
"ex5qvcm",
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"score": [
11,
7
],
"text": [
"They branched of from a similar ancestor, but those branches ended, ours didn't. Think about it like dogs. There are multiple species of dogs all alive at the same time. Coyotes, wolves, dingos, etc.",
"I think maybe yo... | [] | [] | [
[],
[
"https://youtu.be/plVk4NVIUh8"
]
] | |
3b4mfq | how come males can ejaculate so voluntarily during a "wet dream" without physical activity, yet can't do so when they're awake? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3b4mfq/eli5_how_come_males_can_ejaculate_so_voluntarily/ | {
"a_id": [
"csit60l"
],
"score": [
8
],
"text": [
"Ejaculating during a wet dream is not voluntary. That would mean it was done by the will of the person having the dream."
]
} | [] | [] | [
[]
] | ||
23jbmn | why is it illegal for employers to pay employees under the table but cash tips are not? | First off, can someone explain how waitress / waiter wages work? Is it really legal to pay them less than minimum wage and expect them to make up the difference in tips? How does all of that work? Isn't paying cash tips the same as paying someone under the table to avoid taxes?
I mean it all has the same end result so... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/23jbmn/eli5_why_is_it_illegal_for_employers_to_pay/ | {
"a_id": [
"cgxk3fj"
],
"score": [
7
],
"text": [
"Special laws are in place allowing tipped employees to be paid less than the minimum wage, so long as their tips take their income above the minimum wage. If the tips aren't enough the business is on the hook for the rest.\n\nTips are reported i... | [] | [] | [
[]
] | |
2kandc | when i'm at the dentist, they wiggle the needle when injecting anesthetic. why? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2kandc/eli5_when_im_at_the_dentist_they_wiggle_the/ | {
"a_id": [
"cljgdxb",
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"score": [
4,
3
],
"text": [
"When someone injects you with a \"normal\" shot like a vaccine, they are putting it into a muscular area where the fluid will get absorbed into your bloodstream by your muscle fibers. Lidocaine is both difficult to get into ... | [] | [] | [
[],
[]
] | ||
z1508 | why do we still have republican/democrat national conventions? | It seems that these conventions are just a massive circlejerk touting how great their party is and how stupid/ineffective the other one is. Is there even a point to having three straight days of speakers doing this?
| explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/z1508/eli5_why_do_we_still_have_republicandemocrat/ | {
"a_id": [
"c60le9o"
],
"score": [
5
],
"text": [
"The three days of dominating press coverage is a good reason for the parties to want to keep them. It's also around the time when low information voters start tuning to politics, so it's an opportunity to brand your candidate and your opponent. ... | [] | [] | [
[]
] | |
5urpmv | what is a 'port' (with regard to file sharing) and why are there seemingly tens of thousands to choose from? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5urpmv/eli5_what_is_a_port_with_regard_to_file_sharing/ | {
"a_id": [
"ddwch1o",
"ddwch9v",
"ddwd8jh"
],
"score": [
15,
3,
3
],
"text": [
"Your computer has an IP address, which is like the address of an apartment building. It tells the network where to send messages. \nWithin your computer there are multiple programs. Ports are like pos... | [] | [] | [
[],
[],
[]
] | ||
1l9xw6 | the stages of cancer | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1l9xw6/eli5the_stages_of_cancer/ | {
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"text": [
"The criteria for stages differ between different types and locations of cancer. But generally it is based on overall mass, how much it has metastasized, and spread. Higher stages ... | [] | [] | [
[],
[],
[],
[]
] | ||
453zlf | why computers can't be turned off automatically after a certain amount of time? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/453zlf/eli5_why_computers_cant_be_turned_off/ | {
"a_id": [
"czuzdfv",
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"text": [
"Of course. This is default behavior for most operating systems. The computer can also hibernate after a period of inactivity, or just shut the monitor off.",
"Control Panel > Power options. There you can manage all kin... | [] | [] | [
[],
[]
] | ||
23ough | how do we know what the universe looks like today when all the light we see is from millions or billions of years ago? | Shouldn't the universe we see be like a fun house mirror with everything distorted? in fact, shouldn't it be worse than that? Wouldn't it be like looking at a fun house mirror, but in addition to everything being in the wrong place, your head might be your current age and your feet look like they did when you were a ba... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/23ough/eli5_how_do_we_know_what_the_universe_looks_like/ | {
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"cgzgj23",
"cgzgsux",
"cgzh1pu",
"cgzh5el",
"c... | [] | [] | [
[],
[],
[],
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"https://www.youtube.com/watch?v=mQ0hS7l9ckY#t=5m50s",
"http://i.imgur.com/6aqIbnL.jpg",
"http://d1jqu7g1y74ds1.cloudfront.net/wp-content/uploads/2013/10/milky_way.jpg"
],
[],
[],
[],
[],
[],
[
"http://www.space.com/18502-farthest-galaxy-discovery-hubble-photos.html... | |
5u5rl6 | why do playing cards develop a bad smell when left alone for a long period of time? | A few years ago, my friend gave me a gag-gift: a deck of cards that appeared to be stuck inside a mason jar. I found the jar yesterday, and was actually able to take the cards out. And when I did, the cards reeked. I don't know how to describe it, but it smells almost like plastic. I was just wondering how the cards ac... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5u5rl6/eli5_why_do_playing_cards_develop_a_bad_smell/ | {
"a_id": [
"ddrrzws"
],
"score": [
3
],
"text": [
"You are not far off. Playing cards are laminated with plastic to make it water resistant and longer lasting. Just like laminated magazine paper or temporary ID cards. When kept in that mason jar for a long time, presumably in an attic or a sto... | [] | [] | [
[]
] | |
5n92qt | what is that pain you get sometimes in your head that feels like something popped and it feels kind of hot for a bit? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5n92qt/eli5_what_is_that_pain_you_get_sometimes_in_your/ | {
"a_id": [
"dc9nzmd",
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"dc9xs21"
],
"score": [
7,
5,
3
],
"text": [
"Oh, I know that pain! It's the pain you should ask your doctor about instead of internet strangers.\n\nBut seriously, even if there were a doctor on ELI5, it is impossible to diagnose someone over the i... | [] | [] | [
[],
[],
[]
] | ||
1kzzb7 | how do electromagnetic brakes work? | Im doing a physics report for school and this is really confusing me! HELP PLEASE!
EDIT: It has been pointed out to me that this could mean several things, I meant for use with train brakes or in rollercoasters. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1kzzb7/how_do_electromagnetic_brakes_work/ | {
"a_id": [
"cbuddbr",
"cbudkzw"
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"score": [
2,
2
],
"text": [
"Electromagnetic breaks are like motors in reverse, you can run current through a copper coil to move a magnet, or move a magnet past a copper coil to [induce a current](_URL_0_). The electricity induced in the coil makes the... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Eddy_current",
"http://www.youtube.com/watch?v=hCxmn1ERbXc",
"http://en.wikipedia.org/wiki/Regenerative_brake"
],
[]
] | |
2srxoj | how do critics rate movies? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2srxoj/eli5_how_do_critics_rate_movies/ | {
"a_id": [
"cnsbczs"
],
"score": [
2
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"text": [
"However they want!\n\nWhen a critic reviews movies, they're typically giving two forms of judgement:\n- A review describing the movie, including critical analysis, how much they enjoyed the film, and who else would enjoy the film \n- A score\n\nT... | [] | [] | [
[]
] | ||
86u0qv | if fruit is sweet to encourage animals to eat it and carry the seeds away from the parent tree, how do lemons and limes fit into this mix? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/86u0qv/eli5_if_fruit_is_sweet_to_encourage_animals_to/ | {
"a_id": [
"dw7svk3",
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"https://en.m.wikipedia.org/wiki/Citrus"
],
[],
[],
[],
[],
[],
[],
[],
[],
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[],
[],
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"https://www.reddit.com/r/explainlikeimfive/comments/45gnn5/eli5if_fruits_are_produced_by_plants_for_animals/"
],
[],
[],
[],
[],
[],
[],
[],
[],
[
... | ||
62mymp | can someone explain how i'm "wasting water" when i'm turning my faucets on? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/62mymp/eli5_can_someone_explain_how_im_wasting_water/ | {
"a_id": [
"dfns9j5",
"dfnslk5"
],
"score": [
7,
5
],
"text": [
"All of that process uses energy and resources. Your individual excess water usage might not really matter but if millions of people are doing that, that's heaps of resources devoted to making some noise while you brush your ... | [] | [] | [
[],
[
"https://water.usgs.gov/edu/wuww.html"
]
] | ||
38b9eg | why do music chords give you emotional reactions? such as dissonant = unfinished | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/38b9eg/eli5_why_do_music_chords_give_you_emotional/ | {
"a_id": [
"crtsn7q",
"crtu7wh"
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"score": [
6,
2
],
"text": [
"I actually did a research project in high school on a simplified version of this question years back. My study was about what mathematics said about musical harmony. While the project itself was pretty poorly done, I learned... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Equal_temperament"
]
] | ||
dhsgm6 | how do character models in video games nowadays move so fluently and realistically? | I can tell they probably aren't animated traditionally, so what do the makers of the game do to achieve that realistic movement? GTA and the latest Guitar Hero games are good examples. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dhsgm6/eli5_how_do_character_models_in_video_games/ | {
"a_id": [
"f3q237k",
"f3q289n",
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"score": [
16,
3,
9
],
"text": [
"Many use motion capture software to get a very precise idea of the movements and then just add small adjustments later. Other than that advanced hardware just made fluent and realistic animations easie... | [] | [] | [
[],
[],
[]
] | |
1sh9ro | how does a movie (for example the hobbit) have wb, new line cinema, and mgm as their studio distribution? | I was watching the Hobbit and all 3 logos came up. I'm sure there's a thing with companies buying other companies and what not, but I was curious about the details.
Also with we could see an Avengers movie that had Sony, 20th Century Fox, and Marvel at the beginning so the entire universe could join together.... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1sh9ro/eli5_how_does_a_movie_for_example_the_hobbit_have/ | {
"a_id": [
"cdxk0p0",
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"score": [
2,
6,
2
],
"text": [
"Well, New Line Cinema is a distributor that merged with WB in 2008. MGM is co-producing The Hobbit series with Warner - spread the risk, spread the reward.\n\nAnd yes, if a future Avengers film merged ... | [] | [] | [
[],
[],
[
"http://lotr.wikia.com/wiki/The_Hobbit_%28films%29#Development"
]
] | |
9ms2lh | why are renewable sources not our major sources of energy yet? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9ms2lh/eli5_why_are_renewable_sources_not_our_major/ | {
"a_id": [
"e7gvj9e",
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"score": [
8,
3,
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],
"text": [
"They’re expensive to implement, but the cost is ever decreasing so that it may become viable in the near future. ",
"still not as cheap/effective as non renewable sources yet. \n\nlets take solar p... | [] | [] | [
[],
[],
[]
] | ||
1nk5ih | how do we (in the u.s.) actually make a change in our government? | What can we do to stop all the nonsense with healthcare/education being more expensive than the rest of the world, Minimum wage being too low, the Gov't shutdowns, and NASA not being funded. I'm being a bit dramatic, but I feel helpless with all that is going on that I feel the majority disapproves of.
Update: OK! The ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1nk5ih/eli5_how_do_we_in_the_us_actually_make_a_change/ | {
"a_id": [
"ccjegfu",
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"score": [
8,
4
],
"text": [
"First of all, let me applaud you for taking an interest in making this country a better place. There is too much apathy, especially amongst young people regarding politics.\n\nThe single most important thing you can do as a... | [] | [] | [
[
"www.house.gov",
"www.senate.gov"
],
[]
] | |
6a6uef | my house wasn't "grounded". what does that mean? | We bought a new house but we are spending more time renovating it than we thought. Mainly because the house was dangerously out of code. One them was the electrical system; our electrician said that the house was not grounded. What does that mean and what could happen if the house does not get grounded? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6a6uef/eli5_my_house_wasnt_grounded_what_does_that_mean/ | {
"a_id": [
"dhc4xov",
"dhc78ew"
],
"score": [
5,
4
],
"text": [
"Grounding essentially is wiring a house so that if for instance it gets struck by lightning, or there is a power surge, the energy has somewhere to go. that isn't the wiring in the house.\n\nGrounding allows excess electrica... | [] | [] | [
[],
[]
] | |
5nrpvb | why can we see gases when it's cold that we can't at normal temperature? (eg breath, exhaust) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5nrpvb/eli5_why_can_we_see_gases_when_its_cold_that_we/ | {
"a_id": [
"dcdrh0v"
],
"score": [
3
],
"text": [
"You don't!\n\nYou are not seeing *gasses* when you see a puff of breath in cold air, or from a car's exhaust. you are seeing particles, especially *water droplets*, that are forced out of solution.\n\nWater vapor = invisible water in the air\n\nw... | [] | [] | [
[]
] | ||
3nia6w | if the stock market always goes up, then why would anyone sell at a low point? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3nia6w/eli5_if_the_stock_market_always_goes_up_then_why/ | {
"a_id": [
"cvobtao",
"cvodnqi"
],
"score": [
6,
3
],
"text": [
"The stockmarket in general has an upward trend, but that doesn't mean every individual stock will always go up. Plenty of them stagnate, or continuously lower in value until the company goes bankrupt. Additionally, even if a... | [] | [] | [
[],
[]
] | ||
aa72hs | why do rainwater reflections always go straight down, regardless of angle/perspective? | For example, [this picture](_URL_0_). | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/aa72hs/eli5_why_do_rainwater_reflections_always_go/ | {
"a_id": [
"ecpiqi7",
"ecpl5mw",
"ecpnk1n"
],
"score": [
6,
4,
3
],
"text": [
"Puddles are generally on the ground, so the reflection will be vertical (assuming you're standing upright). If you were to lay down on the ground, the reflections would be horizontal from your perspecti... | [] | [
"http://40.media.tumblr.com/690dfe449fbaf4ff62de5b372c890e59/tumblr_ncobyiJ0EK1tgmvjco1_500.jpg"
] | [
[],
[],
[]
] | |
4swyug | the ins and outs of libertarianism and how gary johnson stands in relation to core libertarian, republican, and democratic values | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4swyug/eli5_the_ins_and_outs_of_libertarianism_and_how/ | {
"a_id": [
"d5cvwy4",
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"score": [
2,
12,
2
],
"text": [
"I like to think of the whole political system as a spectrum, sort of like light is a spectrum. On one side you have a more conservative view, the other you have liberal. Democrats and republicans are c... | [] | [] | [
[],
[],
[]
] | ||
blmhpn | why one struggles to sleep in the start but quickly falls back to sleep after snoozing the alarm? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/blmhpn/eli5_why_one_struggles_to_sleep_in_the_start_but/ | {
"a_id": [
"empm2qj"
],
"score": [
4
],
"text": [
"Newton's first law: objects in motion tend to stay in motion, while objects at rest tend to stay at rest."
]
} | [] | [] | [
[]
] | |
b3fexr | why is the human eye unable to slowly move between two focal points? and why can they smoothly track an object when the observer or the object is moving? (like staring at a lightpost while in a car, or waving your hand) | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b3fexr/eli5_why_is_the_human_eye_unable_to_slowly_move/ | {
"a_id": [
"eiz8byl",
"eizaxz7"
],
"score": [
2,
5
],
"text": [
"Basically the human eye “looks” with movements called saccades, which means the eye rapidly jumps from one focal point to another, rather than smoothly moving. That’s why the hand waving motion is easy to to track because es... | [] | [] | [
[],
[]
] | |
6w37c0 | why is it bad to have two anti-virus softwares installed? | I've heard that having multiple anti-virus/malware programs installed can create a lot of problems. Is this true? Why or why not? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6w37c0/eli5_why_is_it_bad_to_have_two_antivirus/ | {
"a_id": [
"dm52xtq",
"dm53ja5"
],
"score": [
9,
5
],
"text": [
"Because when a antivirus scans your pc, what they actually do is scan your HDD for files, meaning, they put your pc under a lot of stress reading a lot of files and processing them looking for patterns of known malware and s... | [] | [] | [
[],
[]
] | |
8lxejk | how do video game knock-offs exist? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8lxejk/eli5_how_do_video_game_knockoffs_exist/ | {
"a_id": [
"dzj5hpx",
"dzj5lfn",
"dzj6vgh"
],
"score": [
2,
2,
2
],
"text": [
"Copyright laws apply to specific things. \nIf something else is created out of copying a specific thing, but results in something that is no longer that other thing, than it can exist. \nBecause it’s a ... | [] | [] | [
[],
[],
[]
] | ||
1dw6yy | emulsion | How do two unmixable liquids appear uniform (unlike oil in water), and stay in solution (do not separate)? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1dw6yy/eli5_emulsion/ | {
"a_id": [
"c9ufty4",
"c9uilhc"
],
"score": [
2,
4
],
"text": [
"Oil and water don't mix because water is polar (has + and - charge on different parts), and oil is non polar (netural charge all over).\n\nIf I add a chemical that has a polar part and a non polar part, the water can stick t... | [] | [] | [
[],
[]
] | |
6w9rk5 | when hunting, what's the point of wearing camouflage if you're just gonna wear a bunch of bright orange stuff along with it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6w9rk5/eli5_when_hunting_whats_the_point_of_wearing/ | {
"a_id": [
"dm6dhli",
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"dm6n2gr",
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"dm6n95i",
"dm6nc3k",
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"d... | [] | [] | [
[],
[],
[],
[],
[],
[
"http://i.dailymail.co.uk/i/pix/2014/03/26/article-2589722-1C8E3A0500000578-6_634x506.jpg",
"http://i.dailymail.co.uk/i/pix/2014/03/26/article-2589722-1C95CCDE00000578-820_306x423.jpg",
"http://starecat.com/content/wp-content/uploads/do-you-want-to-be-seen-or-not-mate-cam... | ||
jn1eg | how does surface tension work? or, how i explained surface tension to my five year old when we were blowing huge bubbles... | My daughter and I have been studying stages of matter, properties of matter, and surface tension. One day, we decided to have a day exploring surface tension by blowing bubbles. After trying to figure out how to explain surface tension to her, I think I finally got it right....
"Let's think of a water molecule as a li... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/jn1eg/eli5_how_does_surface_tension_work_or_how_i/ | {
"a_id": [
"c2dfz9q",
"c2dfz9q"
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"score": [
7,
7
],
"text": [
"Also, if you guys want a ridiculously awesome bubble blowing recipe, here you go. This will give you huge bubble tunnels, and awesome large spherical bubbles: \n\n* 1 pkg unflavored gelatin\n* 1 cup of hot water (just boiled... | [] | [] | [
[],
[]
] | |
4vheju | can you feasibly get rid of/fix negative interest rates? | I understand negative interest rates but is there a means to combat them? Go back to the good ole' days of making return on your invested money? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4vheju/eli5_can_you_feasibly_get_rid_offix_negative/ | {
"a_id": [
"d5ydzi8"
],
"score": [
2
],
"text": [
"It's not like every interest rate on earth went negative. Just very specific types of government to bank interest rates. There is other investments that have returns. The point of negative rates is to say \"hey, maybe put your money in the thing ... | [] | [] | [
[]
] | |
28x5r1 | why do we stare? what happens in our brains when we do ? | Why do we stare? What is happening in our brains when we do, especially in the occipital lobe? Also, why does it feel mildly good and can be somewhat difficult to pull yourself out of a stare? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/28x5r1/eli5_why_do_we_stare_what_happens_in_our_brains/ | {
"a_id": [
"cifj9ee"
],
"score": [
2
],
"text": [
"Generally, our brains actively sort through the stimuli we revieve before passing it onto the frontol cortex for processing into our conscious minds. When we \"zone out\", this process begins to bypass the occipital lobe, meaning that visual stim... | [] | [] | [
[]
] | |
2cvc32 | why do we get jealous and how can we overcome it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2cvc32/eli5_why_do_we_get_jealous_and_how_can_we/ | {
"a_id": [
"cjjdy8x",
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"cjjg4la",
"cjjhey9",
"cjjlm8z"
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"score": [
91,
11,
2,
6,
2
],
"text": [
"You get jealous when you invest your own self-worth in another person. So if that other person is not paying attention to you, it makes you feel like you ar... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
eiswfs | when you scare someone why can it possibly induce a heart attack, what happens within a persons body for this to happen | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/eiswfs/eli5_when_you_scare_someone_why_can_it_possibly/ | {
"a_id": [
"fctatji",
"fctc230"
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"score": [
14,
3
],
"text": [
"When you are scared, your fight or flight response is activated. You body is preparing you to deal with danger, either by running away, or by fighting back. Either way, it begins optimzing your body for strength and speed,... | [] | [] | [
[],
[]
] | ||
8s7kmr | the relation between fractal and emergence. | Why fractals are considered system with an emergent behavior? what are their emergent properties?
in both [Emergence ](_URL_1_)and [Fractal ](_URL_0_)Wikipedia pages this correlation is cited. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8s7kmr/eli5_the_relation_between_fractal_and_emergence/ | {
"a_id": [
"e0x5bw7"
],
"score": [
6
],
"text": [
"Basically a fractal is a special case of emergence with more restricted parameters than the wider set of emergence. "
]
} | [] | [
"https://en.wikipedia.org/wiki/Fractal#Characteristics",
"https://en.wikipedia.org/wiki/Emergence"
] | [
[]
] | |
415nrn | in a trillion years what will the universe look like? will there be anything left? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/415nrn/eli5_in_a_trillion_years_what_will_the_universe/ | {
"a_id": [
"cyzt649"
],
"score": [
7
],
"text": [
"_URL_0_ This is a great listing of stuff that'll happen in the very very far future. My favorite one is how if the Proton doesnt decay, then in 10^1500 years iron stars could form - stellar mass spheres of cold iron. Universe does some weird stuf... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Timeline_of_the_far_future"
]
] | ||
2vgz65 | all beers generally have the same ingredients, how do they differentiate taste by so much? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2vgz65/eli5_all_beers_generally_have_the_same/ | {
"a_id": [
"cohjhjs",
"cohjxjd",
"cohjyyv"
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"score": [
3,
2,
3
],
"text": [
"By the type of yeast used, the amount of the various ingredients, extra ingredients (like orange peel), what they are brewed in, the temperature they ferment at, how long they ferment, how they are proc... | [] | [] | [
[],
[],
[]
] | ||
3drimk | why can't horses get rid of flies on their eyes? | Watching a video on horse training and he mentions it wears a fly sheet to protect its eyes from flies that feed on the corners of their eyes.
This might be a very silly question but whats stopping the horse blinking and getting the flies off themselves, surely in wild they didnt have fly sheets so there must be a r... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3drimk/eli5_why_cant_horses_get_rid_of_flies_on_their/ | {
"a_id": [
"ct7xww0"
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"score": [
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"text": [
"They blink, the fly flies off, goes about two feet, pulls a u-turn and goes back to the eye. \nThey can get rid of them, but they can't keep them away. \n \nReally, the ancestor to the domestic horse wouldn't have had this problem because t... | [] | [] | [
[]
] | |
8zeqh6 | why do planes often pass the destination airport and land from the other direction? | I frequently travel for work and notice that when I'm flying home from the south (travelling north), the plane will land from the north side, but when coming from the north, the plane lands from the south side. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8zeqh6/eli5_why_do_planes_often_pass_the_destination/ | {
"a_id": [
"e2i53xx",
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"score": [
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"text": [
"As a rule, planes take off and land into the wind. This means the speed over the ground is lower. Air is very much like a river. If you are swimming up the current, you are traveling slower in relation to the shore. Going wi... | [] | [] | [
[],
[]
] | |
5j5vm6 | how do geckos stick? | ... to walls, glass and upside down? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5j5vm6/eli5_how_do_geckos_stick/ | {
"a_id": [
"dbdna85",
"dbdncpj",
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"score": [
3,
2,
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],
"text": [
"Geckos use what are called Van der Waal's forces, or induced dipole forces, to stick to objects. Van der Waal's forces are extremely weak electromagnetic forces which exist for an extremely short time ... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Van_der_Waals_force",
"https://en.wikipedia.org/wiki/Seta"
],
[]
] | |
f7mfen | how can russia affect the presidency. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f7mfen/eli5_how_can_russia_affect_the_presidency/ | {
"a_id": [
"fic8j4h"
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"score": [
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"text": [
"Internet 'people' passing on 'information' that plays into certain peoples' preconceptions that harden their positions."
]
} | [] | [] | [
[]
] | ||
2x11dn | if public toilets are hard to clog, why don't we use the same technology for home toilets? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2x11dn/eli5_if_public_toilets_are_hard_to_clog_why_dont/ | {
"a_id": [
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"text": [
"If you want to pay $300 or more for a toilet, go ahead, you can get a toilet that's almost impossible to clog.\n\nMost people will stick with their $80 toilets.",
"Cost is definitely a main issue, but in some cases, the... | [] | [] | [
[],
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13pf1p | what would happen if the us government attempted supply-side economics today? | Quick Description of Supply Side Economics:
Essentially the government drastically lowering taxes, allowing the people to have more money to spend. More money to spend goes towards goods, therefore increasing demand and supplying jobs because the businesses have more money to hire workers. Then, the government making m... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/13pf1p/what_would_happen_if_the_us_government_attempted/ | {
"a_id": [
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"text": [
"Supply-side economics is a bit different from what you're describing. It involves lowering taxes on *suppliers*, which is intended to produce lower prices, which then spurs purchasing, growing the economy, which in turn leads to higher tax revenu... | [] | [] | [
[
"http://graphics8.nytimes.com/news/business/0915taxesandeconomy.pdf",
"http://en.wikipedia.org/wiki/Laffer_curve",
"http://en.wikipedia.org/wiki/Income_tax_in_the_United_States"
]
] | |
3ei6l2 | how can an object enter a black hole if it stops in time when being observed from a distance? | I have been very interested in black holes lately and one thing that baffled me was the premise of time. Apparently if you are a distance away from a blackhole watching an object fall into it, it will stop in time. Not only does it stop but it will remain so (from our perspective) and indefinite amount of time. So in a... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3ei6l2/eli5_how_can_an_object_enter_a_black_hole_if_it/ | {
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"score": [
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"text": [
"Time dilation effects the object falling in, not outside observers. And while it grows slow, it never stops. Like going faster means you are still going less that light.",
"I'm on the side that sa... | [] | [] | [
[],
[],
[]
] | |
1wu7ia | if you ate meat from an animal that had been given a hormone for weight gain, would the hormone pass to you? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1wu7ia/eli5_if_you_ate_meat_from_an_animal_that_had_been/ | {
"a_id": [
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"score": [
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"text": [
"Because your post isn't asking a simplified conceptual explanation, but rather for an answer, its been removed. \n\nYou should try /r/answers, /r/askreddit or even one of the more specialized answers subreddits like /r/askhistorians, /r/askscie... | [] | [] | [
[]
] | ||
56szxk | why is it that a building with the ac set to 70 degrees on "cool" mode is colder than a building set to 70 degrees on "warm" mode? shouldn't they be the same temperature? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/56szxk/eli5_why_is_it_that_a_building_with_the_ac_set_to/ | {
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23,
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"text": [
"part of it is perception, you come in from a cold outside temp, you will want to warm up, and 70 doesnt really do that, likewise when its hot and you want to cool down.\n\nBut the other half is drafts.... | [] | [] | [
[],
[],
[]
] | ||
7kdj4z | how do restaurants know how many portions of slow cooked food to prepare? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7kdj4z/eli5_how_do_restaurants_know_how_many_portions_of/ | {
"a_id": [
"drdgaa0",
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"score": [
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2,
2
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"text": [
"When I worked in restaurants, we had prep guides that compared the last week and last year sales of items. It gave us a rough estimate of what we needed. Sometimes it is too much, sometimes too little. ... | [] | [] | [
[],
[],
[]
] | ||
1o0fkx | why are religious conservatives opposed to social safety nets for the poor? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1o0fkx/eli5_why_are_religious_conservatives_opposed_to/ | {
"a_id": [
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"score": [
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"text": [
"This is still phrased in a loaded way. You were asked to phrase it neutrally, but you didn't.",
"A few decades back, the republican party decided to adopt some religious conservative ideologies in o... | [] | [] | [
[],
[],
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10ergl | how can parking garages hold so much weight? | To me it just seems like these structures support so much weight constantly and consistently. Is there anything different about the way they are constructed? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/10ergl/eli5_how_can_parking_garages_hold_so_much_weight/ | {
"a_id": [
"c6cu0ko"
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"score": [
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],
"text": [
"Lots and lots of concrete, reinforced with steel bars inside, good placement of columns, arches, and other support structures, all built on a solid foundation.\n\nOne important concept here is weight distribution. If a car parks directly above a ... | [] | [] | [
[]
] | |
13wvyc | why do women get sweet cravings more than men? | Or do they? Is this just a stereotype? THANKS! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/13wvyc/eli5_why_do_women_get_sweet_cravings_more_than_men/ | {
"a_id": [
"c77vgpf"
],
"score": [
2
],
"text": [
"Not sure they do. I can tell you that my wife craves chocolate at certain points in a 28 day cycle. That time corresponds to an increase in my whiskey intake."
]
} | [] | [] | [
[]
] | |
divt2u | why does it feel satisfying to sigh when you’re sad? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/divt2u/eli5_why_does_it_feel_satisfying_to_sigh_when/ | {
"a_id": [
"f3zo1ky"
],
"score": [
29
],
"text": [
"This **is** because when you **breathe** deeply, it sends a message to your brain to calm down and relax."
]
} | [] | [] | [
[]
] | ||
4nvp43 | what molecular attribute governs bouncy-ness | More specifically why does a bouncy ball on contact with a solid reflect it's direction. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4nvp43/eli5_what_molecular_attribute_governs_bouncyness/ | {
"a_id": [
"d47aphz"
],
"score": [
6
],
"text": [
"Elasticity and electromagnetism. Basically, when the ball hits the floor, it deforms elastically. Atoms and molecules are pushed together, against their own repulsive forces. This stores energy. Once there is no more energy to store (the ball has... | [] | [] | [
[]
] | |
3i6kz3 | what's happening to the global stock markets right now? | Bonus question, is this the 2008 GFC all over again? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3i6kz3/eli5_whats_happening_to_the_global_stock_markets/ | {
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"text": [
"Imaging the investors in the stock market as a bunch of pannicky ... | [] | [] | [
[],
[],
[],
[],
[],
[
"http://qz.com/308153/the-shadowy-trading-behind-chinas-stock-market-boom/",
"http://finance.yahoo.com/echarts?s=000001.SS+Interactive#",
"http://www.washingtonpost.com/news/wonkblog/wp/2015/03/31/chinas-stock-market-sure-looks-like-a-bubble/",
"http://finance.yahoo.c... | |
7re0ox | how does the electric company measure how much electricity you are using during different times of the day. (peak vs non peak hours) if they only read it once a month. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7re0ox/eli5_how_does_the_electric_company_measure_how/ | {
"a_id": [
"dsw860n"
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"score": [
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"text": [
"If they're billing you for power you're using at different times of day then they are either reading it multiple times per day or they have a smart meter that is storing the data and being read out once a month\n\nOld power meters were dumb, they... | [] | [] | [
[]
] | ||
192mn1 | yawning and hearing | I play the drums, and sometimes when I practice, I play with hearing protection headphones designed for shooting ranges. If I yawn and open my nasal cavity at the same time while my ears are protected, the sound changes and sounds clearer, and no, it sounds nothing like the normal sounds I would hear if I didn't have e... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/192mn1/eli5_yawning_and_hearing/ | {
"a_id": [
"c8kasfw"
],
"score": [
3
],
"text": [
"Yawning opens up your [Eustachian tubes](_URL_1_), which are like the pressure valves for your middle ear. This tube normally stays closed, and so the air that's in your middle ear (which pushes against the inside of your eardrum) is trapped ther... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Eustachian_tube#Pressure_equalization",
"http://en.wikipedia.org/wiki/Eustachian_tube"
]
] | |
lgsw6 | string cheese | Why does string cheese pull apart in strands unlike other cheeses? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/lgsw6/eli5_string_cheese/ | {
"a_id": [
"c2skh6y",
"c2skh6y"
],
"score": [
3,
3
],
"text": [
"have you ever tried pulling apart other cheese like that?",
"have you ever tried pulling apart other cheese like that?"
]
} | [] | [] | [
[],
[]
] | |
5vvhk5 | why does spaghetti sauce stain certain plastic containers so badly? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5vvhk5/eli5_why_does_spaghetti_sauce_stain_certain/ | {
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10,
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"text": [
"Plastic containers are to various extents permeable. Spag sauce is oily and deeply pigmented.\n\nWarming oils makes them less viscous, making them more easily penetrate the poro... | [] | [] | [
[],
[],
[],
[]
] | ||
a6bh1v | horsepower. if a car had 1hp it wouldnt move an inch but a horse would have no problem pulling a car. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a6bh1v/eli5_horsepower_if_a_car_had_1hp_it_wouldnt_move/ | {
"a_id": [
"ebti8br"
],
"score": [
2
],
"text": [
"Sure it would move, just slowly. A tiny smart car can go 60 MPH with only an 80 horsepower motor. It could easily travel slowly with a 1HP motor, since drag is a function of velocity squared. 30 MPH should take only 20HP and 15MPH only 5HP. t... | [] | [] | [
[]
] | ||
cuolrq | how do governments enact and enforce tariffs? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cuolrq/eli5_how_do_governments_enact_and_enforce_tariffs/ | {
"a_id": [
"exwrfr6"
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"text": [
"There's customs at the border. All goods that enter need to be declared properly before being let in. If whatever being let in is subject to import taxes or tariffs they will send a bill to the recipient. In some cases the goods may even be st... | [] | [] | [
[]
] | ||
2pa2nk | dogs eat "dog food" everyday and it has everything their bodies need, why isn't there a human equivalent to "dog food"? | The kibble dogs eat supposedly contain everything a dog needs to survive and be healthy. Why isn't there a human version of this concept? Eating can be such a chore sometimes, as well as worrying about the health consequences of eating the wrong stuff. Some days I wish I could just fill up the tank.
EDIT: Well it h... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2pa2nk/eli5_dogs_eat_dog_food_everyday_and_it_has/ | {
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"cmuuody",
"cmuv01v",
"cmuvkz2",
"cmuwea4",
"cmuwet9",
"cmuwi13",
"c... | [] | [] | [
[],
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"http://www.soylent.me/"
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[
"https://www.youtube.com/watch?v=4vIjIqPPUSU"
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"https://www.yo... | |
1nzc40 | what exactly is "net code" and what problems does it actually cause in gaming? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1nzc40/eli5_what_exactly_is_net_code_and_what_problems/ | {
"a_id": [
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"score": [
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6
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"text": [
"Net code refers to any code that is involved in making a game's multiplayer work over the internet. \n\nThe biggest issue net code faces is latency and trying to make sure you and the other players all see everything at the ... | [] | [] | [
[],
[]
] | ||
jwdmt | storm surge | When they say there will be 5-10 foot storm surge does that mean water is going to be 5-10 feet high? As in on the street? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/jwdmt/eli5_storm_surge/ | {
"a_id": [
"c2fn8gt",
"c2fn8gt"
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"score": [
7,
7
],
"text": [
"storm surges are caused by the lower atmospheric pressure associated with a hurricane. hurricanes are basically giant low pressure systems, and because the atmosphere isn't pushing down as much on the ocean, it rises.\n\na 5... | [] | [] | [
[],
[]
] | |
495cm7 | why landing a rocket is so difficult? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/495cm7/eli5_why_landing_a_rocket_is_so_difficult/ | {
"a_id": [
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"score": [
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2
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"text": [
"Depends on your definition of \"land\". Dumping them via parachute in the ocean is pretty easy. But I'm going to guess you mean what SpaceX is doing.\n\nMost of the fuel on a rocket is used not to go up, but to go *fast*. Re... | [] | [] | [
[],
[
"http://www.popularmechanics.com/space/rockets/a14028/why-the-spacex-platform-rocket-landing-is-so-damn-hard/"
]
] | ||
1sfulg | why will a digital camera focus on the object you want perfectly, then unfocus and say it's unable to? | Why doesn't it just stay focused?
For example, if I'm trying to get a macro photo of a flower or something, and I try to focus on one petal, as the camera is trying to focus, I can *clearly see* it focus successfully, but then it will unfocus almost immediately for no reason.
Thanks, hopefully. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1sfulg/eli5_why_will_a_digital_camera_focus_on_the/ | {
"a_id": [
"cdx6xtj",
"cdx91u8"
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"score": [
3,
2
],
"text": [
"Because cameras are assholes",
"It doesn't mean it can't focus.\n\nIt means it can't *tell* that it's focused.\n\nIt might be, for example, that it uses the edge of shapes to tell when it's focused. If the entire shot is... | [] | [] | [
[],
[]
] | |
3pnxwt | my understanding of black holes is that it's an object of very big mass and density so that even light can't escape it's mass, therefore the "black" hole. is there more to it, why are there theories that the black holes are some sort of wormholes? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3pnxwt/eli5_my_understanding_of_black_holes_is_that_its/ | {
"a_id": [
"cw7wgo9"
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"score": [
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"text": [
"/u/SavageAuthor is correct with the wormhole part. I'm just expanding on [his comment](_URL_1_).\n\nFirst, black holes are holes in space-time. What that means is that they are a collection of events and object that are erased from time, and that... | [] | [] | [
[
"https://www.youtube.com/watch?v=vNaEBbFbvcY",
"https://www.reddit.com/r/explainlikeimfive/comments/3pnxwt/eli5_my_understanding_of_black_holes_is_that_its/cw7vtwf"
]
] | ||
6wjfws | how is harvey an example of global warming and not just a "once in 500 years flood" like the president said? | The President tweeted _URL_0_
Can anyone explain to me how this isn't an exact example of Global Warming? For years they've been saying we will start getting bigger storms with larger flooding and here it is, right? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6wjfws/eli5_how_is_harvey_an_example_of_global_warming/ | {
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7,
5,
11,
10,
2
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"text": [
"Yes, you're pretty much right (although Donald was, for once, also kind of right). We measure large natural disasters, amongst other ... | [] | [
"https://twitter.com/realDonaldTrump/status/901797906046439426"
] | [
[],
[],
[],
[],
[],
[]
] | |
1sxh9v | why can we eat our beef steaks rare, but need to eat pork well-cooked? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1sxh9v/eli5why_can_we_eat_our_beef_steaks_rare_but_need/ | {
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"score": [
7,
2,
12,
3
],
"text": [
"You can eat both rare but there is a higher chance of getting sick or catching a parasite from raw pork.",
"There was a long period of time when there was a good likelihood th... | [] | [] | [
[],
[],
[],
[]
] | ||
2levic | is there a good chance that time-dilation will be used one day to "speed up" time? | Let's say we have a very rich but aging person who wishes to leave earth and come back 50 years later when medical technology is presumably better. He can board a spaceship that travels close to the speed of light, and stay on board a few years before he comes back, by which time decades on earth have passed.
My quest... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2levic/eli5_is_there_a_good_chance_that_timedilation/ | {
"a_id": [
"clu4ae0"
],
"score": [
7
],
"text": [
"The amount of energy required to accelerate a manned spacecraft to any significant percentage of the speed of light, much less close to the speed of light, is well beyond anything we can manage with current technology. \n\nAccording to Wolfram Al... | [] | [] | [
[]
] | |
453q4j | why does the united states on a whole go through so many periods of xenophobia, when it is and has mostly always been an immigrant country? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/453q4j/eli5why_does_the_united_states_on_a_whole_go/ | {
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"score": [
5,
4,
32,
7,
6,
2
],
"text": [
"Before it was uneducated people making natural assumptions based on their flawed psychological functions.\n\nNow we live in a system th... | [] | [] | [
[],
[
"http://www.thesocialcontract.com/pdf/nine-three/ix-3-174.pdf"
],
[],
[],
[],
[]
] | ||
az5bq3 | how come when breathing through our mouths it dries up quickly but we can breathe fine through our nose all day | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/az5bq3/eli5_how_come_when_breathing_through_our_mouths/ | {
"a_id": [
"ei5d6b3"
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"score": [
3
],
"text": [
"Because of the way our bodies are!\n\nAir coming into the body isnt as humid or moist as the air inside our lungs. Our nasal passages and sinuses DO dry out but they continually provide moisture in the sinus cavities to humidify incoming air, the... | [] | [] | [
[]
] | |
d1jtkj | why is an emulator required to play playstation/xbox/nintendo games on a pc? | After all, doesn't a PC contain all of the same components as video game consoles? (Hard drive, GPU and CPU, etc.) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/d1jtkj/eli5_why_is_an_emulator_required_to_play/ | {
"a_id": [
"ezmg8kt"
],
"score": [
8
],
"text": [
"PCs and game consoles both contain CPUs, yes, but they speak different languages. You need an emulator to translate back and forth between console-speak and PC-speak."
]
} | [] | [] | [
[]
] | |
3aho0n | who would win in a fist fight? a human or a monkey? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3aho0n/eli5_who_would_win_in_a_fist_fight_a_human_or_a/ | {
"a_id": [
"cscq3ol"
],
"score": [
2
],
"text": [
"Unfortunately, we have some real-life examples to inform the answer to this question. \n\nThe monkey wins. Always. Most of the time fights like this happen it doesn't end well. Travis the Chimpanzee comes to mind. He killed one person, and bit of... | [] | [] | [
[]
] |
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