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 |
|---|---|---|---|---|---|---|---|---|---|
3i0eym | why do "million" and "millennia" sound the same, but one refers to millions and the other refers to thousands? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3i0eym/eli5_why_do_million_and_millennia_sound_the_same/ | {
"a_id": [
"cuc64ib"
],
"score": [
3
],
"text": [
"Both derive from the word 'mille', thousand. But million refers to thousand thousands, whereas millennia refers to thousand years, or 'mille anni'."
]
} | [] | [] | [
[]
] | ||
d9v7pp | why can't we put a metallic grille on plane reactors to keep birds from getting to the engine? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/d9v7pp/eli5_why_cant_we_put_a_metallic_grille_on_plane/ | {
"a_id": [
"f1lle08",
"f1llh01",
"f1lloyn"
],
"score": [
7,
6,
3
],
"text": [
"We can’t do this because if a bird we’re to hit the grille and damage it, it could cause more damage as the grille will become entangled in the engine.\n\nMost engines only take ~20% of air through the ... | [] | [] | [
[],
[],
[]
] | ||
vsvsx | why are the trees still standing with green when the homes are charred? _url_0_ | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/vsvsx/eli5_why_are_the_trees_still_standing_with_green/ | {
"a_id": [
"c57ble1"
],
"score": [
6
],
"text": [
"The level of moisture in living trees is much greater than that of lumber and other building materials."
]
} | [
"http://i.imgur.com/s5qGo.jpg"
] | [] | [
[]
] | ||
bhnubv | if cameras can take videos with fps equaling single shutter speeds, why do photographers take dedicated still shots instead of video recording everything and later just isolating single frames for “photographs?” | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bhnubv/eli5_if_cameras_can_take_videos_with_fps_equaling/ | {
"a_id": [
"elu8wt0",
"eluecr0"
],
"score": [
9,
7
],
"text": [
"In some cases you can, but when you take a single frame you have more control over the light. When you take a photo you can balance the depth of field, aperture size and iso- getting the right ratio of the three can give you... | [] | [] | [
[],
[]
] | ||
ai4cnu | how do large companies send bulk letters? | For example, when the bank mails me my statement every month, how do they handle the process of printing the statement, putting it in an envelope and mailing it? Is there an assembly line for outgoing mail? Please help me understand! | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ai4cnu/eli5_how_do_large_companies_send_bulk_letters/ | {
"a_id": [
"eekz90y"
],
"score": [
3
],
"text": [
"I worked at a company where I spent one whole week with just printing letters (I had data from excel worksheet), putting them into envelopes and then bringing them to post office. I had to take one colegue with me, because every day, it was like ... | [] | [] | [
[]
] | |
4pdk2x | how does the sit in that is going on in the house of representatives work? | What is the purpose of a sit in and how does it work? Does the house have to do anything in response or can they ignore it until they stop? Please don't comment with your opinions on the sit in, just the way it works. Thanks :) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4pdk2x/eli5_how_does_the_sit_in_that_is_going_on_in_the/ | {
"a_id": [
"d4k2v6b",
"d4k2xrt",
"d4k8w7e"
],
"score": [
6,
7,
3
],
"text": [
"In the civil rights movement, sit-ins were very popular. Another word for it could be incompetence, but not in a bad way.\nWith these people, they are basically saying that they will not leave the floor... | [] | [] | [
[],
[],
[]
] | |
1qi4fn | how do polygraphs work. | And how to trick them ;) | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1qi4fn/eli5_how_do_polygraphs_work/ | {
"a_id": [
"cdd0dht"
],
"score": [
2
],
"text": [
"They detect abnormal changes in heartbeat, blood pressure, etc. They prime these machines by asking you simple questions (like, \"what is your name?\") to see how you react when telling the truth. Theoretically there should be physical results wh... | [] | [] | [
[]
] | |
42hl8t | what are eyeballs doing when looking at autostereograms (magic eyes) and why can some people not see the hidden image? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/42hl8t/eli5_what_are_eyeballs_doing_when_looking_at/ | {
"a_id": [
"czadpm0",
"czafhba",
"czalktq"
],
"score": [
3,
2,
2
],
"text": [
"Typically, your vision is diverging, although some stereograms are designed with a cross-eyed view.\n\nYou are basically tricking your brain into thinking you are looking at something three-dimensional.... | [] | [] | [
[],
[],
[]
] | ||
30il3l | the sounds a computer makes when downloading | What are those sounds made by computers when we download things and where are they coming from? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/30il3l/eli5_the_sounds_a_computer_makes_when_downloading/ | {
"a_id": [
"cpsr835"
],
"score": [
3
],
"text": [
"Downloading data is silent. What you're likely hearing is the sound of the hard drive writing the data to disc. For old HDDs (not newer SSDs), the data is stored on magnetic platters and read/written by a read/write head at the end of an articu... | [] | [] | [
[]
] | |
3ddafb | why is there such racial tension between australian aboriginals and australians? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3ddafb/eli5_why_is_there_such_racial_tension_between/ | {
"a_id": [
"ct42hcq",
"ct44o6n"
],
"score": [
9,
11
],
"text": [
"After taking the land, killing the bulk of indigenous Australians, forcibly removing their children, systematically destroying their culture, then dragging them into an English style European society which we then excluded ... | [] | [] | [
[],
[]
] | ||
4ijpr8 | why people say a college degree now is worth a high school degree from x years in the past? | Does it have to do with content, quality, or quantity of people with a degree? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4ijpr8/eli5_why_people_say_a_college_degree_now_is_worth/ | {
"a_id": [
"d2ylfvl",
"d2ylmlk",
"d2yofvt",
"d2yp0bg"
],
"score": [
34,
3,
7,
8
],
"text": [
"No, it has to do with how many people *have* college degrees.\n\nI don't agree with the sentiment as a whole, but I can at least understand the logic of it.\n\nA few decades ago, ... | [] | [] | [
[],
[],
[],
[]
] | |
c2bi0j | when your phone is ringing, why are the electronics around it buzzing? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/c2bi0j/eli5_when_your_phone_is_ringing_why_are_the/ | {
"a_id": [
"erj1jpf"
],
"score": [
4
],
"text": [
"I don't think that's what OP is asking. You can have a phone on silent, sitting next to other electronic devices, and you'll often hear very distinct electronic buzzing type noises from the other devices specifically when the cell phone is ringin... | [] | [] | [
[]
] | ||
eehplg | why does the sunrise continue to get later after the shortest day? | I live in the Northern Hemisphere and have noticed that the sunrise is later today than it was on the solstice. I've tried to get my head around it via [this article](_URL_0_) but still don't really get it, so please can someone ELI5? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/eehplg/eli5why_does_the_sunrise_continue_to_get_later/ | {
"a_id": [
"fbtpr0o",
"fbtq1os"
],
"score": [
2,
20
],
"text": [
"From my understanding the solar day, the time it takes for the sun to move around the earth is not 24 hours but slightly less or more. We use a full 24 hour clock so they go out of sync.",
"In short: the length of the d... | [] | [
"https://www.bbc.co.uk/news/magazine-30549149"
] | [
[],
[
"https://en.wikipedia.org/wiki/Synodic_day",
"https://en.wikipedia.org/wiki/Sidereal_time"
]
] | |
zyumc | marcus aurelius & niccolo machiavelli | Why are these two guys famous? I know a bit but what were they famous for? What was their famous thing about? What did these two guys? I don't just understand when people say Machiavellian politics etc. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/zyumc/eli5_marcus_aurelius_niccolo_machiavelli/ | {
"a_id": [
"c68wfu0"
],
"score": [
2
],
"text": [
"Niccolo Machiavelli was an author; he wrote a book called \"The Prince\", which was written in the form of an instruction manual to a leader of the time. He was explaining about how politicians should manipulate, pay false praise to their superio... | [] | [] | [
[]
] | |
3evc9a | how can you physically see things in a dream, colors and everything, even though your eyes are closed? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3evc9a/eli5_how_can_you_physically_see_things_in_a_dream/ | {
"a_id": [
"ctiqiq7",
"ctiqjfr",
"ctiql1y"
],
"score": [
2,
2,
2
],
"text": [
"This is a commonly asked question here. Please see several previous postings among [these previous posts.](_URL_0_) If they don't entirely answer your question, you might create a new post with\na more ... | [] | [] | [
[
"https://www.reddit.com/r/explainlikeimfive/search?restrict_sr=on&sort=relevance&t=all&q=how%20see%20dream"
],
[],
[]
] | ||
2zyl80 | why are the bottom of our feet so tough yet so ticklish? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2zyl80/eli5_why_are_the_bottom_of_our_feet_so_tough_yet/ | {
"a_id": [
"cpniddd"
],
"score": [
2
],
"text": [
"You got a lot of nerves on both your hands and feet, you use the ones on your hands to handle things and the ones in your feet to handle your balance, plus checking if you aren't walking over broken glass.\n\nIf you try it, its easy to notice tha... | [] | [] | [
[]
] | ||
17tvvg | why do some dogs never stop eating? | Like.. if you gave them unlimited amounts of food, they'd eat until they die. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/17tvvg/eli5_why_do_some_dogs_never_stop_eating/ | {
"a_id": [
"c88si3k"
],
"score": [
3
],
"text": [
"In the wild a wolf wouldn't have any idea when their next meal might be. So, overeating when there is an abundance of food will let that wolf build fat which will see it through during times when food is scarce. This instinct has continued on wit... | [] | [] | [
[]
] | |
9mbki5 | why does florida water taste weird? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9mbki5/eli5_why_does_florida_water_taste_weird/ | {
"a_id": [
"e7dhvbf"
],
"score": [
3
],
"text": [
"One thing to consider is not all of Florida uses similar water. There is both well and municipal sources, depending on which you got, and how it was treated or can have various different properties such as taste and smell. And well water is usual... | [] | [] | [
[]
] | ||
60estn | what would actually happen if you were ejected from an airlock into outer space without a space suit on? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/60estn/eli5_what_would_actually_happen_if_you_were/ | {
"a_id": [
"df5ujkd",
"df5wjoo",
"df5zs1r",
"df60pt5",
"df6202a",
"df62n1d",
"df6aif0",
"df6ant7",
"df6cvdx",
"df6e4ui",
"df6e9p2",
"df6flpe",
"df6g506",
"df6idef"
],
"score": [
42,
412,
2,
3732,
8,
843,
3,
2,
4,
7,
... | [] | [] | [
[
"https://youtu.be/lD08CuUi_Ek"
],
[],
[],
[
"https://www.scientificamerican.com/article/survival-in-space-unprotected-possible/"
],
[],
[
"https://www.scientificamerican.com/article/survival-in-space-unprotected-possible/"
],
[],
[],
[
"https://youtu.be/RjkrqMm52JI"
],
[
... | ||
240zd0 | how come i can smell my fart when i'm running? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/240zd0/eli5_how_come_i_can_smell_my_fart_when_im_running/ | {
"a_id": [
"ch2isi4",
"ch2jdmd"
],
"score": [
8,
5
],
"text": [
"Because you aren't running fast enough",
"You're on a treadmill."
]
} | [] | [] | [
[],
[]
] | ||
25dfih | - if the earth is a sphere, why is north america considered "the west?" | Why is American culture considered western culture? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/25dfih/eli5_if_the_earth_is_a_sphere_why_is_north/ | {
"a_id": [
"chg2o5s",
"chgai51"
],
"score": [
8,
2
],
"text": [
"Back in the day, if you started from Europe, you see Asia to the east and an undefined amount of water to the west. When we found out there's actually several Americas there the West/East dichotomy had already been establish... | [] | [] | [
[],
[]
] | |
s4s48 | why countries sell each other guns | Im confused as to why countries sell each other guns and armaments such as tanks, surely its just a threat to their own security? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/s4s48/eli5_why_countries_sell_each_other_guns/ | {
"a_id": [
"c4b2nfa",
"c4b2nur",
"c4b3bt8"
],
"score": [
3,
2,
3
],
"text": [
"You sell things to other people to make money. For example, the US sells fighter jets to Israel to make money, yet national security isn't threatened because Israel is 1) far away and 2) a friendly nat... | [] | [] | [
[],
[],
[]
] | |
6vk7wl | why are sprouted grains touted as being so much healthier than non-sprouted? | What is it about sprouting the grains that makes them more nutritious? Does cooking make a difference? How exactly does the sprouting change the nutritional profile? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6vk7wl/eli5_why_are_sprouted_grains_touted_as_being_so/ | {
"a_id": [
"dm0tqrp",
"dm0yb64"
],
"score": [
3,
4
],
"text": [
"sprouting grains increases the bioavailability of their nutrients. Unsprouted grains are harder to digest. Cooking grains can breakdown certain nutrients into more digestable forms but can also destroy some of the nutrients.... | [] | [] | [
[],
[]
] | |
9h7bjy | what is arp cache poisoning? | Very basic knowledge of computers, networks and associated jargon, so very small words are appreciated. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9h7bjy/eli5_what_is_arp_cache_poisoning/ | {
"a_id": [
"e69p7e5"
],
"score": [
5
],
"text": [
"Every network device has a MAC address, it's just a number, and every network card is built with it's own unique number. When you connect to a network (like your home Network), your computer asks for an IP (an address on the internet). Unlike a M... | [] | [] | [
[]
] | |
3ff7tv | why does a scale give different readings when i'm standing, crouching, or on my tip-toes? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3ff7tv/eli5_why_does_a_scale_give_different_readings/ | {
"a_id": [
"cto2gcl",
"cto2pdz"
],
"score": [
9,
6
],
"text": [
"It has to do with the way your weight disperses across the internal plate that's connected to the scale. If you stand on a corner, it's going to affect the way your weight makes it to the sensor, if you crouch with your ass ... | [] | [] | [
[],
[]
] | ||
3udxq9 | why do school district have to pay for special aids for students who are deaf or with major disabilities? why not health insurance? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3udxq9/eli5why_do_school_district_have_to_pay_for/ | {
"a_id": [
"cxe0v0b"
],
"score": [
3
],
"text": [
"Why should a school pay for health insurance? That's a private decision up to parents and families. They make these videos as it falls within their realm of responsibility to educate children regardless of condition of learning. "
]
} | [] | [] | [
[]
] | ||
ctbe29 | assuming they are not shot out if the sky. how long will satellites function without human interaction? what would make them fail? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ctbe29/eli5_assuming_they_are_not_shot_out_if_the_sky/ | {
"a_id": [
"exjtmcn"
],
"score": [
3
],
"text": [
"Usually the limiting factor in sattelite missions is funding.\n\nIf the project stops being funded the sattelite is either deorbitted and burns up in the atmosphere or left dead in space.\n\nIf communications with the sattelite is severed then it... | [] | [] | [
[]
] | ||
6mh15t | why does something just smelling/tasting bad make some people physically sick, even though they haven't consumed any of the item in question? | Also the fact that some people are much more susceptible to it than others...
Thanks! | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6mh15t/eli5_why_does_something_just_smellingtasting_bad/ | {
"a_id": [
"dk1ityv",
"dk1kzrr"
],
"score": [
3,
2
],
"text": [
"It is something called taste aversion. \n\nBasically, you have smelled something similar to the bad smelling thing in your past and it has done some sort of harm to your body, and your brain makes a copy of that smell so tha... | [] | [] | [
[],
[]
] | |
75pvre | how are the bubbles when you spit formed? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/75pvre/eli5_how_are_the_bubbles_when_you_spit_formed/ | {
"a_id": [
"do81af7"
],
"score": [
2
],
"text": [
"I'm assuming this is referring to when you simply spit on the ground.\n\nWhen you spit you are forcing saliva out of your mouth by mechanical (muscular) forces and also by forcing air out of your lungs. The gases you exhale when spitting do not ... | [] | [] | [
[]
] | ||
1jo6dq | liberalism vs socialism | If my understanding is right, socialism and liberalism have similar goals (distribute money democratically, break down private enterprises). However, when I visited /r/socialism, a guy mentioned that liberalism is 'evil'. What are the differences and beliefs of the two ideologies? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1jo6dq/elif_liberalism_vs_socialism/ | {
"a_id": [
"cbgmb69",
"cbgmlng",
"cbgmndl",
"cbgmuye",
"cbgn7f1"
],
"score": [
3,
2,
7,
7,
2
],
"text": [
"One major difference is that liberals may acknowledge what they consider pragmatic considerations in their lives. It is possible to be a 1% top earning execut... | [] | [] | [
[],
[],
[],
[
"http://www.reddit.com/r/socialism/comments/1i1ymy/lets_lighten_it_up_a_little_bit_whats_your_best/cb085hx"
],
[]
] | |
8arr35 | how did "chinese" food in the u.s. get so standardized? | Pretty much anywhere in the country has the same menu items that come out almost exactly the same way. It's almost like they are all variants of the same chain. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8arr35/eli5_how_did_chinese_food_in_the_us_get_so/ | {
"a_id": [
"dx10lgh",
"dx123vj",
"dx12hil",
"dx1r480",
"dx1rdoo",
"dx1uide",
"dx1wnh5",
"dx1yixb",
"dx21mc0",
"dx24pb9"
],
"score": [
14,
362,
52,
5,
7,
11,
16,
9,
5,
3
],
"text": [
"They all buy from the same enormous restau... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | |
24ntr8 | how does applying to college work, with paying, scholarships, admittance, and etc. | Applying, if you are accepted, do you go? Financial aid, the entire process. All the fun stuff about college. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/24ntr8/eli5_how_does_applying_to_college_work_with/ | {
"a_id": [
"ch8x46f"
],
"score": [
2
],
"text": [
"Its a lot of paperwork, and it varies based on the school.\n\nBut the basics are these -\n\nYou apply to college by filling out an application. Many use the \"Common App\" or the \"Universal App\" but some schools have their own application they... | [] | [] | [
[]
] | |
a4r4u3 | do people calmly wake up from comas? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a4r4u3/eli5_do_people_calmly_wake_up_from_comas/ | {
"a_id": [
"ebgzili",
"ebgzk5w"
],
"score": [
3,
2
],
"text": [
"I've been in a coma( 2 days) and so have a few of my family members, from what I've seen no, they usually jump up or make a loud gasp, in my case it was screaming.",
"I feel bad for anyone who watched the 2013 YouTube re... | [] | [] | [
[],
[]
] | ||
7dvo07 | what does it mean that a city was founded by someone ? | I read often that some great ancient leader founded a city, e.g. the various Alexandria founded by A. the great.
I am unsure what does that entails. For example: from where did the citizens come ? Is it just a matter of saying "this pre-existing conglomerate of abitations is henceforth to be known as Alexandria" ? Or ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7dvo07/eli5_what_does_it_mean_that_a_city_was_founded_by/ | {
"a_id": [
"dq0nhq5",
"dq0nlm3",
"dq0rmfq"
],
"score": [
2,
10,
2
],
"text": [
"Practically speaking most founded towns in the old world were already small settlements and generals would add economy to them by basing resupply ports, garrisons, etc there and relocate populations fr... | [] | [] | [
[],
[],
[]
] | |
e74z4o | how do christmas lights flash individual bulbs? | With most Christmas lights, they have a line of LED's. How do they light particular LED's individually? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/e74z4o/eli5_how_do_christmas_lights_flash_individual/ | {
"a_id": [
"f9vkr59"
],
"score": [
7
],
"text": [
"Many are done as an arangement of 3 strings. If you look closely you can see three wires on many strings or icicle lights. If you really look closely, there's never a need for the entire string to be off and a individual bulb lit. You can get a... | [] | [] | [
[]
] | |
4olrp0 | what is the point of image-based captchas if there are already lots of bots that can solve them? do ticket-reselling websites have some secret ocr/high performance photo recognition software that google doesn't? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4olrp0/eli5_what_is_the_point_of_imagebased_captchas_if/ | {
"a_id": [
"d4dnnad",
"d4dp1zk"
],
"score": [
3,
3
],
"text": [
"Captchas don't need to be perfect to be useful. If robots are making 5 accounts an hour then it's not really the end of the world, if they are making 5 accounts a second then a service quickly can get overwelmed. A speed bum... | [] | [] | [
[],
[]
] | ||
aeoob9 | how does comparable gpu's have completely different power needs? | I don't know if it's the right subreddit, but I wanna ask: how does nvidia geforce gt 1030 need 30W, and gtx 560 needs 150W, while they have basically the same performance? (In benchmarks gt1030 has 140th place, while gtx560 has 141th) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/aeoob9/eli5_how_does_comparable_gpus_have_completely/ | {
"a_id": [
"edr776h",
"edr8ve5"
],
"score": [
4,
2
],
"text": [
"More modern manufacturing process, using smaller transistors that leak less heat during operation, and improvements to the arrangement of those transistors that results in a more efficient architecture.",
"The amount of ... | [] | [] | [
[],
[]
] | |
78bfiz | if uranium has a half life of 4.5 billion years, why do uranium fuel rods used in nuclear reactors need to be replaced every six years? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/78bfiz/eli5_if_uranium_has_a_half_life_of_45_billion/ | {
"a_id": [
"dosi6rf",
"dosia1p",
"dosjhpa"
],
"score": [
2,
19,
3
],
"text": [
"Because they are being spent. You can keep gasoline in a barrel for a really long time too, but need to refill your car at pretty regular intervals during use.\n\nThe same concept applies to all fuel, ... | [] | [] | [
[],
[],
[]
] | ||
ftq1dp | why do racecars have to change tires so often? usually tires are good for much longer than a day. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ftq1dp/eli5_why_do_racecars_have_to_change_tires_so/ | {
"a_id": [
"fm8d1dq",
"fm8dlie",
"fm8e1sw"
],
"score": [
2,
20,
3
],
"text": [
"The quick and easy answer is race tires are designed for performance not longevity, as soon as racecars start to lose performance in the tire they change them so that they maintain an optimal race pace... | [] | [] | [
[],
[],
[]
] | ||
jq96p | jpeg compression | As a programmer, I see things like lossy data compression as sort of a black art. I believe that everything can be explained in simple terms, so if anyone out there can do it, please do! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/jq96p/eli5_jpeg_compression/ | {
"a_id": [
"c2e982u",
"c2eaq3h",
"c2e982u",
"c2eaq3h"
],
"score": [
5,
3,
5,
3
],
"text": [
"Let's take an image that is 1000 by 1000 pixels. Each pixel requires some number of bytes of data to tell you what color it is. Now, that's a significant amount of data, so a com... | [] | [] | [
[],
[
"https://secure.wikimedia.org/wikipedia/en/wiki/File:Dctjpeg.png",
"https://secure.wikimedia.org/wikipedia/en/wiki/JPEG#Quantization"
],
[],
[
"https://secure.wikimedia.org/wikipedia/en/wiki/File:Dctjpeg.png",
"https://secure.wikimedia.org/wikipedia/en/wiki/JPEG#Quantization"
]
] | |
5ickcc | why do people lose weight during sleep? | Basically the title. About 3 months ago I started to log my eating habits as well as weight loss/gain. Measuring at night, I noticed that in the mornings sometimes I could go down as much as 2 pounds. Anyone care to explain? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ickcc/eli5_why_do_people_lose_weight_during_sleep/ | {
"a_id": [
"db72prt",
"db72sr9",
"db72tsc",
"db72zcf"
],
"score": [
2,
2,
5,
8
],
"text": [
"water loss, either through sweat, pee, or just the humidity in your breath.\n\nthe other is carbon dioxide, inhale oxygen, exhale CO2. Add up all those carbons and you can get a m... | [] | [] | [
[],
[],
[],
[]
] | |
7v3lj7 | the difference between men's and women's deodorant, aside from price | My friend notes that guys stick deodorant is cheaper, and obviously there's a lot that's just marketing spin to sell products, but is there any/much relevant chemical difference between them, and if so, what is it; and thirdly, does that drive the price difference at all? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7v3lj7/eli5_the_difference_between_mens_and_womens/ | {
"a_id": [
"dtp7tzc",
"dtp8hsk"
],
"score": [
3,
5
],
"text": [
"The ingredients. \n\nWomens products tend to contain more fragrances and moisterizers then men's products.\n\nThose extra ingredients don't come free.",
" > and thirdly, does that drive the price difference at all\n\nNo.... | [] | [] | [
[],
[]
] | |
300gbo | why don't word processors like ms word have extensive autocorrect like smartphone keyboards do? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/300gbo/eli5_why_dont_word_processors_like_ms_word_have/ | {
"a_id": [
"cpnxe9x"
],
"score": [
7
],
"text": [
"Extensive autocorrect on smartphones exists because typing on them is hard for most people. When you have a full keyboard, and in a word processor for desktop you are expected to, it's more annoying than helpful for the program to make guesses ab... | [] | [] | [
[]
] | ||
4zm67t | how do venus flytraps digest? | My only guess is they break food down with some secretion, but I really haven't a clue. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4zm67t/eli5_how_do_venus_flytraps_digest/ | {
"a_id": [
"d6x0m7e"
],
"score": [
14
],
"text": [
"They secrete digestive enzymes. Interestingly enough, the digestive action of venus fly traps seem to have come from defenses against insects that were co-opted into carnivory. Jasmonic acid, which is used in other plants to activate defense mec... | [] | [] | [
[]
] | |
kj41n | how does a new show get on tv? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/kj41n/eli5_how_does_a_new_show_get_on_tv/ | {
"a_id": [
"c2knfpo",
"c2knfpo"
],
"score": [
3,
3
],
"text": [
"Someone comes up with an idea and pitches it to a network. \n\nIf the network likes the idea they create a \"pilot episode\" so they can see if they still like it and show it to other people to see if they like it too.\n\nIf... | [] | [] | [
[],
[]
] | ||
3iwrhk | ...why does flash seem to be universally hated? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3iwrhk/eli5why_does_flash_seem_to_be_universally_hated/ | {
"a_id": [
"cukb670",
"cukc5k1",
"cukcdgp",
"cukka9o",
"cukm3u5",
"cukoknl"
],
"score": [
5,
34,
16,
4,
3,
2
],
"text": [
"A lot of people are just jumping in on the bandwagon because they see that you're supposed to hate it so they hate it. But they have n... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | ||
1mrbkh | what does the recent increase in arctic ice say about global warming and climate change? | An article on the front page today mentioned this, and I'm mostly oblivious to meteorology.
Article: _URL_0_ | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1mrbkh/eli5_what_does_the_recent_increase_in_arctic_ice/ | {
"a_id": [
"ccbvxvf",
"ccbysjl"
],
"score": [
9,
6
],
"text": [
"One year does not a trend make on a long term global temperature graph. \n\nTherefore, this really says nothing at the moment. Come see me in a couple or 10 years.",
"Here is a sequence...\n\n88, 86, 84, 82, 80, 72, 76... | [] | [
"http://arstechnica.com/science/2013/09/arctic-melt-season-over-leaving-behind-more-ice-than-recent-years/"
] | [
[],
[]
] | |
6kxkoi | when we first started measuring temperature how did we decide how large a degree would be? was it merely and arbitrary figure that worked, or was there a specific reason behind it? | I was laying by the pool today alone, immersed in my own thoughts and began to wonder about measuring temperature. I understand that time is divided into days because it is an observable phenomenon that occurs regularly, but what about temperature? Is there any history behind the decision to measure degrees at precisel... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6kxkoi/eli5_when_we_first_started_measuring_temperature/ | {
"a_id": [
"djpkiof",
"djpknk0",
"djpr3td"
],
"score": [
6,
4,
2
],
"text": [
"It's based on water. They froze some water and decided that would be 0, they boiled some and decided that would be 100. So it's arbitrary in the sense that 100 is an arbitrary number but that's what it'... | [] | [] | [
[],
[],
[]
] | |
804ppu | why hasn’t cancer been bred out of the gene pool by natural selection? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/804ppu/eli5_why_hasnt_cancer_been_bred_out_of_the_gene/ | {
"a_id": [
"dusx9fl",
"dusxe0c",
"dusxlh3",
"dusxupe"
],
"score": [
10,
13,
12,
3
],
"text": [
"Because cancer isn't solely genetical in origin. There are various causes, including viruses. Also, some cancers don't normally appear until middle age or after, so victims wou... | [] | [] | [
[],
[],
[],
[]
] | ||
3j1be9 | the price of eggs have skyrocketed, but why hasn't the price of chicken gone up? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3j1be9/eli5_the_price_of_eggs_have_skyrocketed_but_why/ | {
"a_id": [
"culfoq6",
"culhwxy"
],
"score": [
30,
12
],
"text": [
"The chickens we eat are not the same chickens that lay the eggs we eat. Apples and oranges.",
"Because the chickens that lay eggs were severely impacted by the avian flu, killing more than 45 Mil birds while the chicke... | [] | [] | [
[],
[]
] | ||
14lc1t | what exactly happens when a music producer "masters" a song/album? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/14lc1t/eli5_what_exactly_happens_when_a_music_producer/ | {
"a_id": [
"c7e5fsy",
"c7e5nfg",
"c7e6iyh",
"c7e7kwg",
"c7e7vot",
"c7e89u3",
"c7e8e0p",
"c7ear9f",
"c7eds6r"
],
"score": [
339,
42,
5,
9,
6,
3,
16,
3,
2
],
"text": [
"When most people hear the term 'mastering', they are think of the ... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | ||
eba5kp | what makes ab+ plasma and platelets a universal donor? | I’ve been donating blood regularly for years, and donating plasma and platelets more regularly recently. I understand some basics around blood interoperability, but don’t know what makes AB+ a universal platelet donor. Can someone fill me in? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/eba5kp/eli5_what_makes_ab_plasma_and_platelets_a/ | {
"a_id": [
"fb3epsq",
"fb3g50r"
],
"score": [
2,
5
],
"text": [
"It get a bit more complicated, but to break it down into just the AB things, because that's what explains this mostly. You have two main blood cell factors, A and B. They interact a bit like puzzle pieces with some clottin... | [] | [] | [
[],
[]
] | |
30fe29 | what is an actual good strategy for taking those personality tests you find on job applications? what exactly are they looking for? | I work for a franchise retail store. A major one with locations everywhere. My franchisee just bought a new store last week and promoted me to GM. But before I could go through corporate training, I had to take a computer based "apptitude" test.
The test is basic reading, basic math, and then a personality test. T... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/30fe29/eli5_what_is_an_actual_good_strategy_for_taking/ | {
"a_id": [
"cprwori",
"cprxf3o"
],
"score": [
4,
2
],
"text": [
"the more elaborate ones have a combination of questions that let them see if you're honest. \n\nNot being able to sleep because of stress cannot be good in my view. Bad stress management. \nIt's like saying yes to the questi... | [] | [] | [
[],
[]
] | |
4akpiz | how does a program that is a 2mb download take up 30mb of space when installed? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4akpiz/eli5how_does_a_program_that_is_a_2mb_download/ | {
"a_id": [
"d1173jw"
],
"score": [
2
],
"text": [
"It depends. There's really 3 scenarios:\n\n1. It's a compressed installer that extracts itself as part of the installation\n\n2. The installed runs a bunch of scripts that generate placeholder files\n\n3. It's a stub installer that actually is ju... | [] | [] | [
[
"http://java.com/en/download/manual.jsp"
]
] | ||
2k7v2e | how are home run distances in baseball calculated as soon as the ball lands? | Even home runs hit out of the stadium seem to be known immediately. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2k7v2e/eli5_how_are_home_run_distances_in_baseball/ | {
"a_id": [
"cliq0lj"
],
"score": [
3
],
"text": [
"They point a laser range finder at the spot it landed."
]
} | [] | [] | [
[]
] | |
3fzn7e | why the american constitution is still the same yet laws change | As in, why has nobody decided that it may be a little out of date and thought to change it?
Bonus points for explaining how drawn out the process would be to change it. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3fzn7e/eli5_why_the_american_constitution_is_still_the/ | {
"a_id": [
"cttfca9",
"cttfpqw"
],
"score": [
7,
20
],
"text": [
"We have amendments for this exact reason. Changing the original document can be dangerous, like in Animal Farm, where all four-legged were equal, then all four-legged were equal both some are better. We want to keep the ori... | [] | [] | [
[],
[]
] | |
1sna0v | why does society have "girl stuff" and "guy stuff" | as an example: my brother has just had a daughter and also has a step son. The daughter is a newborn and the step son is 3. With the season being one for giving, I'm seeing a definite difference in the gifts being given to each of them. The step son is generally given "boy things" which are typically gi joes and toy to... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1sna0v/eli5_why_does_society_have_girl_stuff_and_guy/ | {
"a_id": [
"cdz93uq",
"cdz9gmb",
"cdz9ifj",
"cdzatky"
],
"score": [
3,
8,
3,
2
],
"text": [
"Because boys and girls are different.. Give boys barbie dolls and soon they're stripped naked and they're whacking things with them like hammers... give girls GI Joes and they play... | [] | [] | [
[],
[],
[],
[]
] | |
83a2jx | sometimes police can enter a house saying they have a warrant, but do not need to produce it for proof to the people in the house? | I've been bingeing LivePD on YouTube, and in this episode the police officer said something I've never heard before:
(starting at about 30 seconds) _URL_0_
The women inside asks for them to produce the warrant, and the officer says that he has one but he is not required to show it?
Is this a state by state thing, or... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/83a2jx/eli5_sometimes_police_can_enter_a_house_saying/ | {
"a_id": [
"dvg8t14",
"dvgg5yy"
],
"score": [
12,
4
],
"text": [
"Under the Federal Constitution there is no requirement to show the warrant. There is a standard of reasonableness with regard to the manner of execution of the search or arrest, and some decisions have cited the display of ... | [] | [
"https://www.youtube.com/watch?v=sJb4LIuaijY"
] | [
[],
[]
] | |
30p9u4 | why does my husband get an erection when he's tired? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/30p9u4/eli5_why_does_my_husband_get_an_erection_when_hes/ | {
"a_id": [
"cpuk1fx",
"cpuk3ro",
"cpulxc6",
"cpupkue"
],
"score": [
14,
4,
11,
2
],
"text": [
"Your body needs to tense a muscle to *prevent* an erection. When you're tired this muscle relaxes and you become erect. Same reason you get morning wood.",
"His body is relax... | [] | [] | [
[],
[],
[],
[]
] | ||
bc78yz | how do people "let go" and choose to die? | I've heard countless stories of people waiting until family members show up to finally let go, or hearing about a spouse dying while you're both sick and one "lets go" after hearing. I just don't understand how anyone can command their body that way. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bc78yz/eli5_how_do_people_let_go_and_choose_to_die/ | {
"a_id": [
"ekolzi1",
"ekoqhkj",
"ekotr8g",
"ekpcmym",
"ekpcsh9"
],
"score": [
10,
36,
3,
2,
49
],
"text": [
"I'm no expert, but I think a lot of the time that person is actively fighting to stay alive for as long as possible whether it's a conscious or subconsciou... | [] | [] | [
[],
[],
[],
[],
[]
] | |
22o9ce | why are ncaa basketball rules so different from nba rules? | Since there's all this talk about if players are "NBA ready" (the same is said for football players) why are the rules so different? If they groom these players for success, why is there a longer shot clock and shorter games? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/22o9ce/eli5why_are_ncaa_basketball_rules_so_different/ | {
"a_id": [
"cgou3g3",
"cgouflv"
],
"score": [
5,
4
],
"text": [
"The NCAA wants to differentiate itself from the NBA to minimize the perception that the players in one billion dollar league are very well compensated while the players in the other are lucky to get a scholarship.",
"The... | [] | [] | [
[],
[]
] | |
3b4c5l | modern germany's outlook and regulations on naziism? | To elaborate, is Nazi paraphernalia *completely* banned in the country? Is there like a common knowledge rule to just *not* bring up the Nazi era? Is Naziism a segment in German history courses?
Please and thank you very much! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3b4c5l/eli5_modern_germanys_outlook_and_regulations_on/ | {
"a_id": [
"csipl79",
"csipnij"
],
"score": [
4,
2
],
"text": [
"They do acknowledge naziism in school. Nazi paraphernalia is banned for collecting purposes, although museums can display it. Same goes for Mein Kampf, not allowed to be sold or distributed.\n\nSource: My mother is German, t... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Strafgesetzbuch_section_86a"
]
] | |
3si1sp | if gas pumps can accurately measure high speed flow, why do they always slow to a crawl at the end? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3si1sp/eli5if_gas_pumps_can_accurately_measure_high/ | {
"a_id": [
"cwxefvf"
],
"score": [
2
],
"text": [
"Think of it like filling a water bottle from a faucet. If you open the tap all the way and try to fill it you will have to stop when the water starts bubbling out of the top from the air trying to escape. The result is that you have a bottle that... | [] | [] | [
[]
] | ||
9lmohd | we always hear that the military is "fighting to protect our rights." but who are they fighting and why do they want to take away our rights? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9lmohd/eli5_we_always_hear_that_the_military_is_fighting/ | {
"a_id": [
"e77s1wm"
],
"score": [
2
],
"text": [
"That statement is not meant to be taken literally. The implication is that if, *hypothetically,* someone were to bring us harm, the military would stop them.\n\nBy that logic, anyone who joins the military has signed up to (maybe, someday) die fo... | [] | [] | [
[]
] | ||
28acbm | what problems do modern mathematicians attempt to solve? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/28acbm/eli5_what_problems_do_modern_mathematicians/ | {
"a_id": [
"ci8zgbb",
"ci91ct0",
"ci92g4o",
"ci985rd",
"ci992ys",
"ci9cx75",
"ci9fjsb",
"ci9govi",
"ci9krqf",
"ci9nlem",
"ci9pyvf"
],
"score": [
27,
502,
25,
2,
4,
8,
3,
60,
4,
6,
9
],
"text": [
"How to make a living ... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Moving_sofa_problem"
],
[
"M.Sc",
"http://en.wikipedia.org/wiki/A/B_testing",
"http://en.wikipedia.org/wiki/Travelling_salesman_problem",
"http://en.wikipedia.org/wiki/Navier%E2%80%93Stokes_equations"
],
[
"arxiv.org",
"http://arxiv.org",
... | ||
30r0so | what is the rationale for why we need to increase defense spending? | So apparently Tom Cotton and Marco Rubio presented a plan to increase defense spending, but aren't offsetting the increase with cuts elsewhere. This is odd considering Republicans are all about fiscal responsibility. Rubio says that defense is too important to get caught waiting for cuts to go through elsewhere when we... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/30r0so/eli5_what_is_the_rationale_for_why_we_need_to/ | {
"a_id": [
"cpuyhu9",
"cpv1u3o"
],
"score": [
2,
2
],
"text": [
"Because defense contractors get their profits from selling bullets, bombs, building cities, yada yada from the war effort. You really didn't know that?",
"I find it a little obnoxious that you just say 'we' like only Am... | [] | [] | [
[],
[]
] | |
963ytn | if every living human body disappeared off the face of the earth all at once, would anything happen to the planet's orbit? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/963ytn/eli5_if_every_living_human_body_disappeared_off/ | {
"a_id": [
"e3xnfsl"
],
"score": [
5
],
"text": [
"Yes! There would be change in the orbit of the Earth.\n\nThe Earth does not technically orbit the Sun, rather, the two objects orbit a common point in space, called the barycenter, about 450km from the center of the Sun. (still *well* within the... | [] | [] | [
[]
] | ||
bu53a6 | what, exactly, happens to the body of the climbers in "the death zone" (i.e. on mount everest) that causes their death? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bu53a6/eli5_what_exactly_happens_to_the_body_of_the/ | {
"a_id": [
"ep6zr7i",
"ep71fn0",
"ep71w1w",
"ep71w33",
"ep72ia0"
],
"score": [
4,
35,
5,
6,
10
],
"text": [
"There is not enough oxygen in the air at that altitude to keep a human alive. Climbers carry oxygen in bottles, to supplement the air they breathe. Withou... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
l3m28 | what do these things do individually in our bodies? | Please explain what the following *actually* do in our bodies:
* carbohydrates (simple and complex)
* fats
* proteins
| explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/l3m28/eli5_what_do_these_things_do_individually_in_our/ | {
"a_id": [
"c2phms2",
"c2pij9n",
"c2pjbap",
"c2phms2",
"c2pij9n",
"c2pjbap"
],
"score": [
2,
3,
2,
2,
3,
2
],
"text": [
"I am far from an expert, but hopefully this will suffice.\n\nCarbohydrates are metabolized into simpler carbohydrates through a process ... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Hydrolysis#Hydrolysis_of_polysaccharides"
],
[],
[],
[
"http://en.wikipedia.org/wiki/Hydrolysis#Hydrolysis_of_polysaccharides"
],
[],
[]
] | |
1qzat8 | why does kissing make us... horny? | Why do people get aroused by the act of kissing? I mean, why is it hot to do so? I want to get the science behind it!
This isn't a question a 5 year old would make but what the hell, I'll ask it anyway!
| explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1qzat8/eli5_why_does_kissing_make_us_horny/ | {
"a_id": [
"cdi2d8b",
"cdi3d8p"
],
"score": [
4,
9
],
"text": [
"Your lips are very sensitive to fine touch, and for a lot of people, they are erogenous zones, meaning that certain stimulation can turn you on. It's the same reason why some people are sensitive to things like sucking on ea... | [] | [] | [
[],
[]
] | |
9q3czt | how is the country (united states) with the largest deficit also the world's largest "super power"? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9q3czt/eli5_how_is_the_country_united_states_with_the/ | {
"a_id": [
"e86ab0m"
],
"score": [
2
],
"text": [
"Superpower refers to military strength. \n\nI think you mean debt instead of deficit (correct me if I’m wrong). Even though our debt is high, our GDP is massive. As producers and consumers, the US still dwarfs other nations. "
]
} | [] | [] | [
[]
] | ||
a2wrpu | why do helium-3 and deuterium in nuclear fusion produce 1 helium and an extra proton, instead of lithium which has 3 protons | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a2wrpu/eli5_why_do_helium3_and_deuterium_in_nuclear/ | {
"a_id": [
"eb1qx1a"
],
"score": [
7
],
"text": [
"It will form Lithium-5 initially, but Lithium-5 is exceptionally unstable with a half life on the order of 10^-24 seconds. All the lithium-5 that is formed quickly releases a proton and decays to stable Helium-4"
]
} | [] | [] | [
[]
] | ||
1j2m52 | why is russia divided into several oblasts, krai, and republics instead of just states or provinces, and what is the difference between a krai and oblast? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1j2m52/eli5_why_is_russia_divided_into_several_oblasts/ | {
"a_id": [
"cbajnvq",
"cbann0p"
],
"score": [
10,
6
],
"text": [
"It's just the Russian equivalent of a State or Providence. They can be used interchangeably. \n\nMany people do that realize this but many American states are legally called commonwealths. A commonwealth is no different tha... | [] | [] | [
[],
[]
] | ||
628vi5 | why is it easy to tear paper in half but not to pull it apart? | Paper is super easy to tear in half, but it's incredibly difficult to pull apart. I imagine it has something to do with an increased number of bonds I'm trying to break simultaneously, but I can't find anything on the topic. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/628vi5/eli5_why_is_it_easy_to_tear_paper_in_half_but_not/ | {
"a_id": [
"dfkosl6",
"dfkouvo",
"dfkozho"
],
"score": [
27,
3,
14
],
"text": [
"You've stumbled onto a key concept in engineering, which is the difference between [normal stress](_URL_1_) and [shear stress](_URL_0_).\n\nIn normal stress (tension or compression), you're pushing or... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Shear_stress",
"https://en.wikipedia.org/wiki/Stress_(mechanics\\)"
],
[],
[]
] | |
23hi72 | why aren't all dreams lucid? | Yes I realize some people are natural lucid dreamers | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/23hi72/eli5_why_arent_all_dreams_lucid/ | {
"a_id": [
"cgx1qu3",
"cgx1ta7"
],
"score": [
2,
2
],
"text": [
"Because the part of the brain that controls logic is pretty much off. If it was on all the time we would realize how odd it is to be flying or whatever. It's when we become aware of the bizarre that we stop and think, \"I m... | [] | [] | [
[],
[]
] | |
3426we | why do we have a saying for when someone sneezes, but not for when someone hiccups? | I just came back from filling up my water when the girl waiting behind me started hiccuping. It seemed awkward to have nothing to say for the whole minute that she was waiting for me to finish. Maybe I'm just too awkward as a person, but I feel like it would go a long way if we had some saying to acknowledge someone's ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3426we/eli5_why_do_we_have_a_saying_for_when_someone/ | {
"a_id": [
"cqqj3cb"
],
"score": [
7
],
"text": [
"Hiccups have never been an indication of impending death, a sneeze has, though. There was a time when plagues and diseases were ravaging whole countries and killing millions. A sneeze was not only an indication of possible sickness but even death... | [] | [] | [
[]
] | |
afiu7v | what exactly is the difference between chilblains and frostnip? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/afiu7v/eli5_what_exactly_is_the_difference_between/ | {
"a_id": [
"edyyoih"
],
"score": [
5
],
"text": [
"Frostnip is a precursor to frostbite and is caused by ice crystals forming under the skin.\n\nChillblains are caused by a circulation problem in small capillaries due to cold but not necessarily freezing temperatures."
]
} | [] | [] | [
[]
] | ||
4fppjf | how do the deaf understand techno? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4fppjf/eli5_how_do_the_deaf_understand_techno/ | {
"a_id": [
"d2awik0"
],
"score": [
6
],
"text": [
"Loud music, particularly bassy loud music creates waves in the air that can be felt, rumbles in the floor, etc. Raves also have lots of interesting lighting and people. They think it's fun and interesting. What greater \"understanding\" of tech... | [] | [] | [
[]
] | |
bnu2s4 | how skyscrapers are built | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bnu2s4/eli5_how_skyscrapers_are_built/ | {
"a_id": [
"en95kbu"
],
"score": [
4
],
"text": [
"You dig a deep pit until you hit bedrock, form the substructure of the skyscraper using beams and build the structure of the rest of the skeleton. Generally they will have a single core for the building made of reinforced concrete with thick stee... | [] | [] | [
[]
] | ||
1yd8zc | why can't other large companies set up their own internet service that is wifi based? | I am not talking about providing service for all America - rather to the more populated areas - thus I feel that WIFI could reduce all the cost of wiring to individual homes.Like WIFI for NYC? Can that service be viable? I know there still lies the cost of big infrastructures, wires, admins, engineers etc - but I think... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1yd8zc/eli5why_cant_other_large_companies_set_up_their/ | {
"a_id": [
"cfjfyiu"
],
"score": [
2
],
"text": [
"* That's not what their business is\n\n* It's a MASSIVE investment for a comparatively small return\n\n* Even if you are able to solve all the current problems with long-distance WiFi connections (Look at LTE. It's the best we've got right now an... | [] | [] | [
[]
] | |
3djjqb | what is the sputtering sound tractor trailers make when slowing down ? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3djjqb/eli5_what_is_the_sputtering_sound_tractor/ | {
"a_id": [
"ct5qyko",
"ct5r0c7",
"ct5ra4t",
"ct5rbuw",
"ct5t1m9"
],
"score": [
6,
2,
2,
2,
2
],
"text": [
"Engine braking. No fuel comes into the cylinders and the engine acts as a compressor. What you hear is the sound of air in the exhaust. ",
"Possibly what ... | [] | [] | [
[],
[],
[],
[],
[
"https://www.youtube.com/watch?v=7FSkNSOeTWM"
]
] | ||
2i5ztf | why were hops ultimately chosen as the go-to beer "seasoning," now used almost exclusively instead of spice sachets, etc.? | I enjoy a good beer, but hops give me awful headaches. My understanding is that in ye olden times brewers often used spice sachets (of things like clove or cinnamon) to take the bite out of their brews, and that "seasoning" with hops was just one style. Nowadays the vast majority of beers are hop-style, and it seems li... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2i5ztf/eli5_why_were_hops_ultimately_chosen_as_the_goto/ | {
"a_id": [
"ckz62r6",
"ckz634o",
"ckz65ck",
"ckzd2ra"
],
"score": [
3,
3,
4,
2
],
"text": [
"two main resons:\n\ntaste. people just like hops more than [Gruits](_URL_0_).\n\nhop is antiseptic, contrary to herbs, so you can eliminate some bacterias with it, what is especial... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Gruit"
],
[],
[],
[]
] | |
2q0kmg | why does the nba have franchises in such odd locations, while mlb and nfl mostly cover the same cities? | There are NBA teams in Portland, San Antonio, Oklahoma City, Memphis, Salt Lake City, Sacramento, and the Hornets started in Charlotte seven years before there was an NFL team there. Meanwhile more traditional sports markets such as St Louis, Pittsburgh, Tampa, Cincinnati, and Baltimore don't have teams. Why is this?... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2q0kmg/eli5why_does_the_nba_have_franchises_in_such_odd/ | {
"a_id": [
"cn20is3"
],
"score": [
2
],
"text": [
"It has to do with the history of the NBA vs the ABA. NBA formed first, putting teams in the cities you'd expect. ABA formed second and put teams in places without teams already (by definition, *not* the typical cities to have teams). When the two... | [] | [] | [
[]
] | |
ao3rny | why do game developers always seem to overdo it when it comes to balancing games? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ao3rny/eli5_why_do_game_developers_always_seem_to_overdo/ | {
"a_id": [
"efxx9ha"
],
"score": [
3
],
"text": [
"with major changes, it pushes forward a new meta, new strategies, new ways to attack and defend. It the best weapon gets tweaked with just minor tweaks, people will most likely still use it in the same fashion, but if they nerf it to bits, sudde... | [] | [] | [
[]
] | ||
1limsi | why is syria potentially america's problem, and not the un's? | I understand that other countries, like Russia for example, can make things more complicated, but shouldn't the use of chemical weapons on its own people be a good enough reason for the UN to get involved, simply from a human rights standpoint? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1limsi/eli5_why_is_syria_potentially_americas_problem/ | {
"a_id": [
"cbzm2j0",
"cbzntho"
],
"score": [
2,
3
],
"text": [
"It is quite possible that it is the other way around, i.e. America is the problem for Syria, not the opposite. \n\nBefore US started to train and finance insurgents the place was just another shitty dictatorship. It was even... | [] | [] | [
[],
[]
] | |
yuqs9 | starcraft and its culture | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/yuqs9/eli5_starcraft_and_its_culture/ | {
"a_id": [
"c5yzr52",
"c5yzz0z",
"c5z0j9o",
"c5z17fa"
],
"score": [
3,
29,
4,
2
],
"text": [
"By culture, I'm assuming you're referring to the growing e-sports movement that started in Korea and is now spreading over the world?\n\nEssentially, Korea at one point was in the... | [] | [] | [
[],
[
"http://www.reddit.com/r/explainlikeimfive/comments/myv9f/why_is_starcraft_2_so_massively_popular_and_how/"
],
[],
[
"http://www.time.com/time/specials/2007/article/0,28804,1815747_1815707_1815675,00.html"
]
] | ||
3gigmv | why can't hiv be treated with chemo therapy | Why can't HIV infection be treated with chemo therapy and bone marrow transplant? When people receive an allogeneic BMT (Bone marrow from donor) or Autologous BMT (from their own stem cells) they have to undergo reimmunisation because they lose immune memory which was acquired from exposure and vaccines. So why doesn't... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3gigmv/eli5why_cant_hiv_be_treated_with_chemo_therapy/ | {
"a_id": [
"ctyf98o"
],
"score": [
2
],
"text": [
"I'm confused as to why you think it would be. The virus is still there. It would just attack the new T-cells. Chemotherapy specifically targets rapidly growing cells. Viruses are not cells and wouldn't be effected by a chemotherapy treatment."
... | [] | [] | [
[]
] | |
fy3jx2 | what is the difference between a wet market and a farmer's market? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fy3jx2/eli5what_is_the_difference_between_a_wet_market/ | {
"a_id": [
"fmy2qcx",
"fmy4pfz"
],
"score": [
12,
2
],
"text": [
"A wet market is just slang for a market that sells perishable goods. When people say wet market they usually mean markets that sell live animals for food and either slaughter it for you or sell it to you live. Most farmer... | [] | [] | [
[],
[]
] | |
vlpbp | why do some stalkers want to kill their idols that they love so much? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/vlpbp/eli5_why_do_some_stalkers_want_to_kill_their/ | {
"a_id": [
"c55k5f3",
"c55k689",
"c55mrub",
"c55tbzv"
],
"score": [
11,
10,
7,
2
],
"text": [
"There is probably a better explanation of it but it's sometimes something along the lines of \"If I can't have you then no one can\"",
"They will be a part of the idol's hist... | [] | [] | [
[],
[],
[],
[]
] | ||
7f556h | what is the reason that some electrical devices with huge voltage ratings don't kill you, and what are the electrical properties that cause this? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7f556h/eli5_what_is_the_reason_that_some_electrical/ | {
"a_id": [
"dq9kxfq"
],
"score": [
2
],
"text": [
"For an honest to God five year old, I'd say voltage is like the mass of the electricity moving, amps are the speed. If a semi truck bumps into you, you'll be fine, whereas a bullet that has orders of magnitudes less mass but plenty of speed will ... | [] | [] | [
[]
] | ||
3a62yx | why is everyone making such a big deal about hillary clinton's emails? | It's something about the Benghazi attack three years ago? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3a62yx/eli5_why_is_everyone_making_such_a_big_deal_about/ | {
"a_id": [
"cs9lhxi",
"cs9luaz",
"cs9ndgq",
"cs9rd04",
"cs9wvs4",
"csa3cwu"
],
"score": [
14,
181,
20,
8,
5,
2
],
"text": [
"Because she didn't do what she was supposed to, instead of using her government email account, she used her person email. A lot of p... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | |
pqmk5 | how could mj have been so broke if he owned the rights to all the beatles songs? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/pqmk5/eli5_how_could_mj_have_been_so_broke_if_he_owned/ | {
"a_id": [
"c3rg3kt",
"c3rgfgx",
"c3rhogt",
"c3rkwe9",
"c3rope5"
],
"score": [
20,
5,
6,
3,
5
],
"text": [
"Ridiculous purchases and not paying his debts. There's always going to be more and more ridiculous things to spend money on. ",
"Being broke for fabulous... | [] | [] | [
[],
[],
[],
[],
[
"http://www.time.com/time/arts/article/0,8599,1908185,00.html",
"http://www.pophistorydig.com/?tag=michael-jackson%E2%80%99s-music-catalog",
"http://www.snopes.com/music/artists/jackson.asp"
]
] | ||
1ho7bc | why doesn't the radio work when you start the engine? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ho7bc/eli5_why_doesnt_the_radio_work_when_you_start_the/ | {
"a_id": [
"caw7dwm",
"caw7nqw"
],
"score": [
13,
2
],
"text": [
"The starter motor sucks up a great deal of current as it starts the engine. There isn't really any electricity to spare for the radio while the starter motor is drawing current.",
"Several circuits on key ignition. Cra... | [] | [] | [
[],
[]
] | ||
cay1tq | why do cars take longer to start when in cold weather vs warm weather? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cay1tq/eli5_why_do_cars_take_longer_to_start_when_in/ | {
"a_id": [
"etbt63i",
"etbzsex"
],
"score": [
4,
2
],
"text": [
"Gasoline burns when it's a mixture of gasoline vapor and air. When it's cold it is harder to evaporate it",
"The engine also needs to be lubricated by the engine oil to function correctly. Colder oil is more viscous i.e... | [] | [] | [
[],
[]
] | ||
4unbjn | what is the "halting problem" in relation to something being turing complete? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4unbjn/eli5_what_is_the_halting_problem_in_relation_to/ | {
"a_id": [
"d5r6wqw"
],
"score": [
3
],
"text": [
"Halting problem means that\n\nIt's impossible to make a program that sees if another program runs indefinitely\n\nFor example this pseudo code would run forever\n\n 10 X = 0\n 20 PRINT \"Hello world\"\n 30 X = X + 1\n 40 IF X > 0 GO... | [] | [] | [
[]
] | ||
25h8t0 | stack (programming) | What is a stack in programming, I haven't come across this in my own programming but have elsewhere. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/25h8t0/eli5stack_programming/ | {
"a_id": [
"chh4vbk",
"chh4wbk",
"chh58p6",
"chh9r65",
"chhcokv",
"chhgjgn"
],
"score": [
5,
4,
3,
2,
2,
2
],
"text": [
"A stack is a data structure. Like a stack of plates, the last plate you put on the stack is the first one you take off. This is known ... | [] | [] | [
[],
[
"http://www.reddit.com/r/explainlikeimfive/comments/25h8t0/eli5stack_programming/chh6elz",
"http://www.staff.science.uu.nl/~dijks106/SSM/userinterface.html"
],
[],
[],
[],
[]
] | |
bta8ce | how does anything live on islands where the max elevation is less than about 20 feet? | Every time I see videos of boats hitting massive waves that they have to climb like a small mountain it makes me wonder how these same storms don't just wipe clean any and every small island in the ocean. It seems like whenever a big storm came, waves would just wash over any low lying islands in their path and take ev... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bta8ce/eli5_how_does_anything_live_on_islands_where_the/ | {
"a_id": [
"eov7c1t",
"eov97e5"
],
"score": [
29,
19
],
"text": [
"The same waves typically peter out as the sea floor elevation rises towards the island.\n\nWhile it does happen, the waves produced out at sea dont carry the same force as a tidal wave, as only the surface water is raised ... | [] | [] | [
[],
[]
] | |
fx31w0 | why does turning the music down in the car help you better find a parking spot | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fx31w0/eli5_why_does_turning_the_music_down_in_the_car/ | {
"a_id": [
"fmruwsz",
"fmrx0f0"
],
"score": [
3,
10
],
"text": [
"Fewer senses are being overwhelmed. With lower volume you are focusing solely on seeing now.",
"Your brain finds it easier to process sounds so prioritises them.\n\nWhen you turn the music down it's got less work to do"... | [] | [] | [
[],
[]
] | ||
16i9uc | the (arbitrary) difference between species and subspecies? | Having spent some time watching and reading in the various atheism-related threads in the last 1,5 years since I'm a redditor, I wondered about some of the specifics about the difference between micro- and macro-evolution. I see many creationists who claim that while micro-evolution is a fact (we see the evolution of a... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/16i9uc/eli5_the_arbitrary_difference_between_species_and/ | {
"a_id": [
"c7wa5fq"
],
"score": [
4
],
"text": [
" > how is it decided that the variation within a species has become large enough to classify an animal as a different species altogether?\n\nWhen someone feels it is, but one of the criteria they're supposed to use is that the two groups can't (... | [] | [] | [
[]
] | |
di6fhd | why does it look like time goes one second backwards when you look at an analog watch? | I've always wondered why I feel like I see the needle go one second backwards or stand still the moment I look at a watch | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/di6fhd/eli5_why_does_it_look_like_time_goes_one_second/ | {
"a_id": [
"f3tm675"
],
"score": [
18
],
"text": [
"The short version is your eyes are moving faster than your brain can deal with it, and you're experiencing lag. While your eyes are trying to focus on the new target (the watch), your brain isn't able to interpret the images for a short time. On... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Chronostasis"
]
] |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.