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 |
|---|---|---|---|---|---|---|---|---|---|
26n29r | how on earth is it a good idea to cross lanes of traffic like this on an overpass? | Many overpasses around in Utah cross over traffic. Everyone drives on the left. To accomplish this two new and seemingly uneccesary one-lane intersections are created.
This is what I'm talking about: _URL_0_
I assume there is some magic about this design. Hoping someone can explain it to me as if I were five. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/26n29r/eli5_how_on_earth_is_it_a_good_idea_to_cross/ | {
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"First, what makes you think it's bad? Traffic is separated. It looks a lot less confusing from the ground than it does from the air, because you only see what's in front of you. \n\nSecond, it's better because traffic enteri... | [] | [
"http://i.imgur.com/1Q0fz4s.jpg"
] | [
[],
[]
] | |
debo8x | if cancer is basically a clump of cells that dont want to die, why/how do things like cigarettes, asbestos, and the literal sun trigger it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/debo8x/eli5_if_cancer_is_basically_a_clump_of_cells_that/ | {
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"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4493566/",
"http://www.tuitnutrition.com/2015/02/metabolic-theory-cancer-2-theories.html",
"https://thetruthaboutcancer.com/mitochondria-function-reduce-cancer-risk/"
],
[],
... | ||
5shom0 | how is it that the president can have the authority to authorize a nuclear attack but not a travel ban? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5shom0/eli5_how_is_it_that_the_president_can_have_the/ | {
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"text": [
"Immigrants to the US, and especially US residents, have a lot more rights under the Constitution than random foreigners who may be nuke... | [] | [] | [
[],
[],
[],
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"https://www.uscis.gov/ilink/docView/SLB/HTML/SLB/0-0-0-1/0-0-0-29/0-0-0-2006/0-0-0-2364.html"
],
[],
[
"https://www.bloomberg.com/view/articles/2017-02-02/there-s-no-quick-fix-to-trump-s-immigration-ban",
"http://www.usatoday.com/story/news/2017/02/04/read-washington-judges-ru... | ||
jxa1q | can somebody please explain cosmic microwave backgorund radiation? | _URL_0_
I kinda sorta get it but... Not really. Please help me grasp this incredible discovery. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/jxa1q/eli5_can_somebody_please_explain_cosmic_microwave/ | {
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"When the universe was very young—as in, less than 400,000 years old—it was very, very hot. It was so hot, in fact, that matter couldn't exist except in a form called \"plasma\". This is the kind of stuff the sun is made out ... | [] | [
"http://en.wikipedia.org/wiki/Cosmic_microwave_background_radiation"
] | [
[],
[]
] | |
9rl9oj | why did pilgrims wear buckles on their hats? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9rl9oj/eli5_why_did_pilgrims_wear_buckles_on_their_hats/ | {
"a_id": [
"e8hp1ed",
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"score": [
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"text": [
"Contrary to popular myth, capotains never included buckles on the front of them; this image was created in the 19th century.",
"They didn't. That style of hat came after the Pilgrims left England and had established them... | [] | [] | [
[],
[]
] | ||
7k0ppd | how is fm radio still thriving as much as it supposedly is as a media source? | I have heard data given commercials recently that says something like "fm radio still reaches more Americans than any other media outlet" but I feel like the only place FM is still frequently used is in older vehicles that have no means of connecting or playing anything else. Will the inclusion of bluetooth/USB in mod... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7k0ppd/eli5_how_is_fm_radio_still_thriving_as_much_as_it/ | {
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"score": [
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"text": [
"digital radio is becoming more common, but it still pales in comparison to the number of cars that have a plain old FM radio receiver. \n\nMy cars aren't exactly new, they're both ... | [] | [] | [
[],
[],
[],
[]
] | |
j2thn | can someone explain how to start your own company? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/j2thn/can_someone_explain_how_to_start_your_own_company/ | {
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"text": [
"I regrettably don't have any first-hand experience, and I also would like to know more about this question, but I can offer what I witnessed from my mother starting her own company:\n\nKnow your shit. T... | [] | [] | [
[],
[],
[]
] | ||
2qsf23 | why do some radios only come with the fm station and not the am | Got a new radio today, and was curious why it didn't come with AM radio functions. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2qsf23/eli5why_do_some_radios_only_come_with_the_fm/ | {
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"text": [
"AM (_URL_1_) and FM (_URL_0_) radio are two different ways of encoding audio in a radio signal. the actual mechanics of converting the radio signal into audio you can hear are different, and the two different method require different circuitry or... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Frequency_modulation",
"http://en.wikipedia.org/wiki/Amplitude_modulation"
]
] | |
ae5i7x | why are all podcast ads for subscription services? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ae5i7x/eli5_why_are_all_podcast_ads_for_subscription/ | {
"a_id": [
"edmlxg0"
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"text": [
"Subscription services are just a very popular startup business model currently, it’s a really successful one as subscription services generate good, solid, predictable, and real cash flows (of course only for those that succeed). Subscriptions ar... | [] | [] | [
[]
] | ||
5sdope | is it cheaper to automate processes than to outsource them to cheap labour? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5sdope/eli5_is_it_cheaper_to_automate_processes_than_to/ | {
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"text": [
"In my experience it is enormously cheaper to outsource because there is zero investment. To automate requires capital investment for machines and time to switch over which is itse... | [] | [] | [
[],
[],
[],
[]
] | ||
5hdrzx | how does a heat pump work? | Also interested in the difference in normal operation mode and "aux" or "emergency" mode.
Note: I have googled, the responses just aren't in layman terms and I'm not understanding. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5hdrzx/eli5_how_does_a_heat_pump_work/ | {
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"text": [
"Sorry, can't flair. On mobile. ",
"It's basically an air conditioner that can be turned around. When it's an AC it blows cold air and hot air is pumped outside. When it's a he... | [] | [] | [
[],
[],
[],
[]
] | |
1tk0dd | what is happening when i turn off the television and the lights, and the television still looks to be dimly lit? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1tk0dd/eli5_what_is_happening_when_i_turn_off_the/ | {
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"text": [
"You mean old CRT TVs? The way those work is the back side of the screen is coated in phosphor. The TV makes images by firing a beam of electrons at the phosphor coating, making it glow. The beam moves from left-to-right and... | [] | [] | [
[],
[]
] | ||
6v7gcv | does a baby smell like s mix of its parents or a new smell to an animal with a more sensitive ability to detect odor? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6v7gcv/eli5_does_a_baby_smell_like_s_mix_of_its_parents/ | {
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"text": [
"Seems like it would be almost impossible for a baby to NOT smell like its parents since they come into so much daily and repeated skin to skin contact wit... | [] | [] | [
[],
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[],
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2lnj0d | the marvel cinematic universe and the film rights to their respective characters in the marvel comic universe. more specifically, quicksilver & scarlet witch. | I'm not that big of a comic book fan, but I do enjoy their film adaptations. Most of us know that the distribution rights to most Marvel entities belong to Marvel Studios, however, the franchises of Spider-man, Fantastic Four & X-Men still belong to Columbia Pictures and 20th Century Fox, respectively. This makes it ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2lnj0d/eli5_the_marvel_cinematic_universe_and_the_film/ | {
"a_id": [
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"text": [
"Quicksilver and Scarlet Witch occupy a weird little grey area in the usage rights that Marvel licensed to Fox. They're mutants, children of Magneto, so they're part of the X-Men franchise. So Fox can use them. However, they're *also* long-term Av... | [] | [] | [
[]
] | |
1gh1n6 | why do people on reddit care so much about comment and link karma? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1gh1n6/eli5_why_do_people_on_reddit_care_so_much_about/ | {
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"text": [
"Human brains love being rewarded, even if that reward is just positive feedback (in the form of an upvote or a comment agreeing) from other anonymous users. It creates pleasure to get link and comment k... | [] | [] | [
[],
[],
[
"http://uncyclopedia.wikia.com/wiki/Zen#A_Boy_and_His_Dog"
]
] | ||
18mlcx | why do i have to be 18 to buy a lighter? | I was looking at lighters in the dollar store earlier today and the lady at the counter asked if I was planning on buying one and I replied with "yes" and she asked me how old I was and I replied "17", where shortly after she said that I have to be at least 18 to buy one. Why is it like this? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/18mlcx/eli5_why_do_i_have_to_be_18_to_buy_a_lighter/ | {
"a_id": [
"c8g3nw3"
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"score": [
2
],
"text": [
"Because that's the legal age to buy tobacco and tobacco paraphernalia? "
]
} | [] | [] | [
[]
] | |
rrgct | buddism | I'm a moron when it comes to anything spiritual... I've heard things in passing about Buddhism, but I still don't know its core beliefs.
Any Buddists out there who can help me? Or anyone with some knowledge of it. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/rrgct/eli5_buddism/ | {
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"text": [
"I'm no good at ELI5, but...\n\nIt's easier to understand if you take a secular, non-spiritual viewpoint on the subject. \n\nBuddhism i... | [] | [] | [
[
"http://simple.wikipedia.org/wiki/Buddhism"
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[],
[],
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40t209 | why is the force of gravity lower in water then on land? | This may already have been asked, and probably in a better way. Is the force of gravity applied to water as a whole?
Thank you in advanced. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/40t209/eli5_why_is_the_force_of_gravity_lower_in_water/ | {
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"text": [
"It's not less, it's exactly the same.\n\nThere's just a new force involved, bouncy, that's pushing you up while gravity is pulling you down. It could be argues that bouncy is simply the force of gravity applied differently, ... | [] | [] | [
[],
[]
] | |
3im9dm | how is braille used/interpreted in cultures with complicated writing systems (arabic, japanese, etc.)? does each language have its own unique braille alphabet? | Title is pretty self explanatory. It seems like a Braille system for written languages with thousands of characters would be quite inefficient and difficult to learn. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3im9dm/eli5_how_is_braille_usedinterpreted_in_cultures/ | {
"a_id": [
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"score": [
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"text": [
"For [Chinese braille](_URL_0_) see here. It uses \"multiple characters\" for one sign. ",
"Generally, each language has it's own version of braille. Languages use the Latin alphabet mostly share the same basic characters... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Chinese_braille"
],
[
"http://unesdoc.unesco.org/images/0008/000872/087242eb.pdf"
]
] | |
9u915c | why does your brain automatically read words and why can’t you stop it from doing so? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9u915c/eli5_why_does_your_brain_automatically_read_words/ | {
"a_id": [
"e92ud98"
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"score": [
3
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"text": [
"Our brains are wired to pattern match. By teaching kids to read, we shortcut the patterns at an early age, and it becomes habit. Try looking at a totally different language and you certainly won’t automatically read it."
]
} | [] | [] | [
[]
] | ||
4igqsz | south atlantic anomaly | _URL_0_ is a bit.. bit confusing for me.
What effects does it have on satellites ( current and newer )? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4igqsz/eli5_south_atlantic_anomaly/ | {
"a_id": [
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"text": [
"The South Atlantic Anomaly is an area of low earth orbit where radiation is particularly high, due to the shape of Earth's magnetic field. This means that satellites pass through these areas are bombarded by high-energy particles, which cause cum... | [] | [
"https://en.wikipedia.org/wiki/South_Atlantic_Anomaly"
] | [
[]
] | |
9pswpm | why does the greenhouse effect doesn't work both ways? | So, i had a discussion with a friend who denies that climate change is man-made.
I refered to the greenhouse effect, and he asked why it wouldnt work both ways.
I was a litle bit baffled, because i couldnt awnser that question, and noticed that i dont actually know in detail how the greenhouse effect works.
So, if the... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9pswpm/eli5_why_does_the_greenhouse_effect_doesnt_work/ | {
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"text": [
"Perhaps because we arent talking reflection but absorption.\n\nGreen house gasses DO stop a lot of radiation from reaching \"the surface\" by absorbing the photons energy increasing its energy level. This increases its hea... | [] | [] | [
[],
[]
] | |
5fw9lc | how do cows pollute so much and why is this happening? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5fw9lc/eli5how_do_cows_pollute_so_much_and_why_is_this/ | {
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3,
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"text": [
"Cows, due to the way their stomachs and digestive tract work produce a lot of Methane by...well...~~farting~~ burping.\n\nMethane is estimated to be 23x worse in regards to negativ... | [] | [] | [
[
"http://i.dailymail.co.uk/i/pix/2014/05/21/article-2635309-1E10CA9400000578-463_634x431.jpg"
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[],
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1uxvur | what happens when a limb loses and then regains it's feeling? | specifically, if the brains impulses move so quickly, why doesn't the feeling come back immediately when the pressure from the nerve is released? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1uxvur/what_happens_when_a_limb_loses_and_then_regains/ | {
"a_id": [
"cemt3x0"
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"score": [
2
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"text": [
"Hi there, excellent question.\n\nWhen pressure is placed on a nerve(neuron), this prevents signals from getting through. \n\nThere are 4 main types of primary afferent axons:\n\n**A-alpha(I):** Control skeletal muscle. Fancy name is Propriocepto... | [] | [] | [
[]
] | |
3bexft | why don't video game industries use sd cards instead of discs? | Let's say on average (cause I don't know if they can be bigger than this) a disc is 25GB and 54Mb/s
but SD cards can hold more and are WAY faster. Why don't gaming companies switch over and use SD cards? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3bexft/eli5why_dont_video_game_industries_use_sd_cards/ | {
"a_id": [
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7,
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"text": [
"Compared to SD cards, Blu-ray discs are extremely more cheap to mass produce. Even with DVD's, you as a consumer can buy a 50 pack for pretty cheap.",
"well, consider the costs of them. you can buy... | [] | [] | [
[],
[],
[]
] | |
3ensj6 | if police officers are not required to tell us when they are undercover, what stops all police offers from just wearing normal clothes and always being undercover? | I don't see why police officers wouldn't just always stay undercover so that people didn't know they were there. I know this would be a bad thing for then to be able to do, but I don't know why they can't do it. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3ensj6/eli5_if_police_officers_are_not_required_to_tell/ | {
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"text": [
"Why would they?\n\nClearly marked police presence is a crime deterrent. Very few police activities involve being sneaky and doing undercover stuff (though ... | [] | [] | [
[],
[],
[],
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] | |
kpaa4 | can someone please eli5 why accretion hasn't affected saturn's ring? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/kpaa4/can_someone_please_eli5_why_accretion_hasnt/ | {
"a_id": [
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"text": [
"Can someone please ELI5 accretion?",
"Can someone please ELI5 accretion?"
]
} | [] | [] | [
[],
[]
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ch5k3b | how do ads load on bad service but normal content doesn’t? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ch5k3b/eli5_how_do_ads_load_on_bad_service_but_normal/ | {
"a_id": [
"euplngk"
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"score": [
3
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"text": [
"Youtube (through Google) have many, many servers across multiple regions of the world to store their data. Very popular content may be hosted on multiple servers to constantly have it closer to the viewer, and on faster servers.\n\nLess popular, ... | [] | [] | [
[]
] | ||
1896ed | what the pirate bay are fighting for and what they hope to achieve in the future | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1896ed/eli5_what_the_pirate_bay_are_fighting_for_and/ | {
"a_id": [
"c8ctoz7",
"c8cub9v"
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"score": [
3,
2
],
"text": [
"The right to get free copyrighted stuff on the internet so that you don't have to pay content producers.",
"Their fighting for piracy since thats the business model for the website."
]
} | [] | [] | [
[],
[]
] | ||
42hp0g | weightlessness scenes in movies | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/42hp0g/eli5_weightlessness_scenes_in_movies/ | {
"a_id": [
"czadlsp"
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"score": [
3
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"text": [
"I don't know what they did for the expanse, but Apollo 13 was filmed on the vomit comet, it took several hundred runs according to [IMDB](_URL_0_)"
]
} | [] | [] | [
[
"http://www.imdb.com/title/tt0112384/trivia?item=tr0775381"
]
] | ||
4rdg2w | the recent cs:go gambling drama with differnt streamers and the website csgo lotto | So What actually happend there ? The only thing i know is that the website has no gambling permit like other csgo website and allow kids to gamble. What is exactly happening there and whats make it illegal ( except dont have gambling permit ) ? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4rdg2w/eli5the_recent_csgo_gambling_drama_with_differnt/ | {
"a_id": [
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"text": [
"_URL_0_\n\nthis explains a lot. You can't gamble on your own site. You can't advertise for something you own without expressly stating you own it.",
"Let's say I have a casino. But I ignore all the laws that restrict ga... | [] | [] | [
[
"https://www.reddit.com/r/gaming/comments/4r4luf/deception_lies_and_csgo_h3h3productions/"
],
[]
] | |
41vhz9 | why it took this long to find another planet behind pluto? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/41vhz9/eli5_why_it_took_this_long_to_find_another_planet/ | {
"a_id": [
"cz5g312"
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"score": [
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"text": [
"The further out you go, the less light planets reflect and the harder it is to see them against the backdrop of the stars. Pluto was only discovered with very painstaking comparison of images of the sky, with it very faintly moving between images... | [] | [] | [
[]
] | ||
28yrrs | how does gmail's undo a sent email feature work? | I have some comp sci background from Uni, but didn't focus on networking and this feature seems very interesting to me and I can't imagine how it works. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/28yrrs/eli5_how_does_gmails_undo_a_sent_email_feature/ | {
"a_id": [
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],
"text": [
"they send the mail not instantly, they hold it back for a moment. if you decide not to send the mail it had never left your mailbox."
]
} | [] | [] | [
[]
] | |
x4a1m | how is beer made | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/x4a1m/how_is_beer_made/ | {
"a_id": [
"c5j1upc",
"c5j21lg"
],
"score": [
6,
2
],
"text": [
"I make beer and wine so I guess I should chime in on this one.\n\nFirst, let's look at the basic ingredients:\n1. Grain\n2. Water\n3. Hops\n4. Yeast\n\nThe basic overall concept is to get the yeast to eat what's in the grain... | [] | [] | [
[],
[]
] | ||
2zgypu | why is there so much competing information when it comes to fitness? for every weight loss or fitness "fact" you can easily find someone saying the exact opposite, to the point where it's very difficult to find reliable information on fitness/weight loss/diet. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2zgypu/eli5_why_is_there_so_much_competing_information/ | {
"a_id": [
"cpistd3",
"cpitanv",
"cpj7jne"
],
"score": [
3,
3,
3
],
"text": [
"There are a lot of people with very little knowledge or training making a lot of claims. These people, be they famous fitness personalities or just gym trainers, make money by sounding like they know wh... | [] | [] | [
[],
[],
[]
] | ||
3bcyo1 | the shape of bread | Why is the shape of bread not a square, but has an M shaped curve near the top. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3bcyo1/eli5_the_shape_of_bread/ | {
"a_id": [
"csl0ico"
],
"score": [
6
],
"text": [
"The split in the top is a line cut into the top by the baker. As the yeast in the bread is warmed, it bursts into activity and releases a bunch of gas causing the bread to rise. As it rises above the edges of the pan, it starts to spill over. ... | [] | [] | [
[]
] | |
g1ao41 | how come we instantly recognize faces (the eyes, nose, and mouth) when we look at a certain arrangement of objects? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/g1ao41/eli5_how_come_we_instantly_recognize_faces_the/ | {
"a_id": [
"fneeq07"
],
"score": [
5
],
"text": [
"Basically our brain is tuned into finding patterns and faces, even where there are none. \n\nHere is the link:\n\n_URL_0_"
]
} | [] | [] | [
[
"https://en.m.wikipedia.org/wiki/Pareidolia"
]
] | ||
2ne9ze | when an active, obese person gets liposuction and surgery to get rid of the extra skin, are they muscular underneath all the fat because of how much weight they had to carry before? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ne9ze/eli5_when_an_active_obese_person_gets_liposuction/ | {
"a_id": [
"cmcu0v7"
],
"score": [
2
],
"text": [
"Probably not. Chances are, the obese person moves everywhere quite slowly and struggles up steps - just like you would if you were carrying an extra 100-200 pounds. Their muscles may be slightly stronger, but it's not significant or enough to gen... | [] | [] | [
[]
] | ||
1wz7dl | why can i go a day without food at home but when i am at school i feel so hungry after a lesson? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1wz7dl/eli5_why_can_i_go_a_day_without_food_at_home_but/ | {
"a_id": [
"cf6pa4r",
"cf6pg4b",
"cf6ph1h",
"cf6plrh",
"cf6pqbg",
"cf6wd2m"
],
"score": [
4,
3,
3,
3,
2,
3
],
"text": [
"Possibly because you are much more active at school/see other kids eating/smelling more food?",
"Just a sidenote: It is the opposite... | [] | [] | [
[],
[],
[],
[
"http://youtu.be/5NubJ2ThK_U"
],
[],
[]
] | ||
e0kurs | why does heartburn become more of an issue when you get older? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/e0kurs/eli5_why_does_heartburn_become_more_of_an_issue/ | {
"a_id": [
"f8etgcj",
"f8eyltk"
],
"score": [
4,
2
],
"text": [
"It's not so much your increasing age that makes it a problem, it's the recurrence. The longer you suffer from chronic heartburn or GERD, the more damage occurs to your esophagus. As a result this increases your risk of heig... | [] | [] | [
[],
[]
] | ||
1wre2z | how expensive would it be, and what would be the effect if we launched a nuclear warhead at the moon? | Title misspelt - I meant what would happen if we launched warheads to destroy the entire moon.
EDIT 2: Also, what would it do to the waves? I read somewhere that earth's gravity depends slightly on the moon, so what would it do to gravity? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1wre2z/eli5_how_expensive_would_it_be_and_what_would_be/ | {
"a_id": [
"cf4o977",
"cf4ofpm",
"cf4q8e1"
],
"score": [
2,
5,
2
],
"text": [
"Very expensive.\n\nAnother crater on the moon.",
"There are not enough nuclear weapons by far. See the craters on the Moon? It's already survived countless hits by asteroids. A few nuclear weapon... | [] | [] | [
[],
[],
[
"http://thepatientcapacitor.com/2009/07/if-stephen-fry-wanted-to-blow-up-the-moon/"
]
] | |
4x37eu | why does a slight change in glasses prescription cause headaches and eye ache? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4x37eu/eli5_why_does_a_slight_change_in_glasses/ | {
"a_id": [
"d6c598e"
],
"score": [
2
],
"text": [
"Because your eyes are trying to focus through your new lens as if it was your old ones. Your eye are a muscle and this causes strain on it as it tries to focus again and again.\n\nTry putting the new ones on as you wake up."
]
} | [] | [] | [
[]
] | |
emsmo7 | how do electric cars heat the cabin? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/emsmo7/eli5_how_do_electric_cars_heat_the_cabin/ | {
"a_id": [
"fdqu6dx",
"fdr3t32",
"fdr9izz",
"fdrxd1v"
],
"score": [
2,
55,
18,
2
],
"text": [
"The engine of a car gets hot and air blows that heat inside the cabin\n\nElectric cars use electric heaters. They engineer the cabins better to maintain the heat and make the ele... | [] | [] | [
[],
[],
[],
[]
] | ||
2r5pjy | how is it that someone can post the same question on askreddit every day, and it gets thousands of upvotes and tens of thousands of people answering the same thing? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2r5pjy/eli5_how_is_it_that_someone_can_post_the_same/ | {
"a_id": [
"cncpf40"
],
"score": [
3
],
"text": [
"Because it the question has easy answer that get tones of upvotes, people will upvote the question just so their response gets more upvotes. \n\n\nExample\n\n\"What show should have gotten another season?\"\n\nThe first person that says Firefly g... | [] | [] | [
[]
] | ||
4sg9t5 | why is it possible to order something from china on ebay and pay zero postage, but ordering from australia to australia costs so much more? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4sg9t5/eli5_why_is_it_possible_to_order_something_from/ | {
"a_id": [
"d591g13",
"d591yay",
"d592mzw",
"d592o7k",
"d5937a8",
"d5949hl"
],
"score": [
6,
13,
38,
2,
2,
4
],
"text": [
"You pay for postage directly or indirectly either way, just sometimes it is included in the total price for the item sometimes it is a... | [] | [] | [
[],
[
"https://www.washingtonpost.com/news/storyline/wp/2014/09/12/the-postal-service-is-losing-millions-a-year-to-help-you-buy-cheap-stuff-from-china/"
],
[
"https://www.reddit.com/r/explainlikeimfive/comments/2evxw8/eli5_why_can_a_chinese_company_ship_me_an_ebay/",
"http://fortune.com/2015/03/11... | ||
9xou8u | is there a reason why there are no indian fast food chains? | It seems like every well-loved cuisine has a fast food chain variant (Italian: sbarro/pizza hut, mexican: taco bell/chipotle, chinese: Panda Express, british: Long John Silvers, etc) but I've never seen an indian food chain. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9xou8u/eli5_is_there_a_reason_why_there_are_no_indian/ | {
"a_id": [
"e9twlst",
"e9txh3i"
],
"score": [
15,
4
],
"text": [
"In the US it's not popular enough to support fast food, especially amongst the demographic that eats fast food. ",
"Not in the USA, in England there’s plenty of fast food Indian shops. \n\nEngland has a long history wit... | [] | [] | [
[],
[]
] | |
5k31bj | contact with heat | Why can I briefly light my hand on fire with the Germ-X trick and have a flame run over my hand but when I contacted a hot grate from a deep fryer it instantly peeled back layers of skin? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5k31bj/eli5_contact_with_heat/ | {
"a_id": [
"dbkw87k"
],
"score": [
2
],
"text": [
"Germ-X is a poor conductor of heat. Even though it's on fire on the outside, on the inside it's still cool because heat takes a while to transfer from one side to the other.\n\nHot oil and hot metal are much better conductors of heat, so you're n... | [] | [] | [
[]
] | |
1h3iqp | what is the war on terror? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1h3iqp/what_is_the_war_on_terror/ | {
"a_id": [
"caqisjz"
],
"score": [
3
],
"text": [
"The \"War on Terror\" isn't so much an actual war as much as a declaration of an initiative to devote resources to stopping terrorism. I'm not an expert on the matter but after its declaration we increased funding in airport security, CIA, NSA, a... | [] | [] | [
[]
] | ||
1je9yu | why do i have need to use 4g on my phone for gps but on m garmin it's free? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1je9yu/eli5why_do_i_have_need_to_use_4g_on_my_phone_for/ | {
"a_id": [
"cbdsvdm"
],
"score": [
3
],
"text": [
"Because part of the purchase price of your Garmin includes a library of maps. The downside of this is that access to updated maps can be somewhat limited, in addition you sometimes need to chose what area you want maps for.\n\nYour cell phone do... | [] | [] | [
[]
] | ||
cy0oug | if you have 2 credit cards, and one has debt, can’t you just use one to pay the other, then the next month do the same, and so on and so on? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cy0oug/eli5_if_you_have_2_credit_cards_and_one_has_debt/ | {
"a_id": [
"eyowtr8",
"eyoyws4"
],
"score": [
2,
2
],
"text": [
"Credit cards basically always have debt unless youre paying off your balance. Doing this essentially is like giving the credit card company a bunch of I.O.U's. All you're doing is adding more to your balance that needs to be... | [] | [] | [
[],
[]
] | ||
1n8nb8 | why do beverages like coffee and beer taste better now than when i was young? | I used to hate the taste of beer especially and now I love it. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1n8nb8/eli5_why_do_beverages_like_coffee_and_beer_taste/ | {
"a_id": [
"ccgccq2",
"ccgcdyu"
],
"score": [
2,
3
],
"text": [
"Children are really sensitive to bitter flavors. This makes sense, as many poisons taste bitter. But this bitter sensitivity fades as you get older, allowing you to enjoy things that have bitter flavors.",
"My theory:\n\... | [] | [] | [
[],
[]
] | |
4t4d9d | how can a lawn survive a full winter covered by snow, but start dying and turn bright green from 2 days of being covered by a tarp (or something similar)? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4t4d9d/eli5_how_can_a_lawn_survive_a_full_winter_covered/ | {
"a_id": [
"d5ehuvq",
"d5ejwqt",
"d5ekczo",
"d5et7m9",
"d5f2lri",
"d5fc2zj",
"d5fjucu"
],
"score": [
33,
125,
1605,
10,
2,
9,
2
],
"text": [
"Snow actually insulates the ground, keeping the grass at a near constant temperature at which the grass can... | [] | [] | [
[],
[],
[],
[
"https://en.wikipedia.org/wiki/Soil_solarization"
],
[],
[],
[]
] | ||
448zs2 | why did martin shkreli raise the price of life saving medicine a ridiculous amount? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/448zs2/eli5_why_did_martin_shkreli_raise_the_price_of/ | {
"a_id": [
"czof8ft",
"czofhzn"
],
"score": [
2,
2
],
"text": [
"Why did you ask your boss for a raise, your parents to give you more money for your allowance? Same exact reason. ",
"Yeah pretty much that last one. Given that he's been [indicted on securities fraud](_URL_0_), it's a ... | [] | [] | [
[],
[
"http://www.bloomberg.com/features/2015-martin-shkreli-securities-fraud/",
"https://www.washingtonpost.com/news/to-your-health/wp/2015/09/22/turing-ceo-martin-shkreli-explains-that-4000-percent-drug-price-hike-is-altruistic-not-greedy/",
"http://www.chicagotribune.com/business/ct-turing-doubles-... | ||
2hjh9d | if we couldn't stop ebola from spreading from 1 person to over 6,000 people (current estimation), how can we stop it from spreading from the 6k infected people to a much larger number? | Doesn't the containment problem grow exponentially as the number grows? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2hjh9d/eli5if_we_couldnt_stop_ebola_from_spreading_from/ | {
"a_id": [
"ckt7r7x",
"ckt86sj"
],
"score": [
2,
3
],
"text": [
"The containment problem gets harder but we have had more time to prepare. Ebola got out of hand because people were not treating the threat properly, and hopefully now they will be.",
"There's lots of parts to the contai... | [] | [] | [
[],
[]
] | |
6ea96z | why is it that 4k makes such a big difference in quality against 1080p for a videogame but barley for a tv series/movie | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6ea96z/eli5_why_is_it_that_4k_makes_such_a_big/ | {
"a_id": [
"di8t0hj"
],
"score": [
5
],
"text": [
"The difference is between something that is already rendered vs. something that is being rendered at that time.\n\n1080p resolution is 1,920x1,080, while 4k resolution is 3840×2160. That means that 4k has _a lot_ more pixels available to it and,... | [] | [] | [
[]
] | ||
4irhtf | why is primer needed for a paint job? why not just use paint? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4irhtf/eli5_why_is_primer_needed_for_a_paint_job_why_not/ | {
"a_id": [
"d30hhgy",
"d30htkf"
],
"score": [
2,
9
],
"text": [
"So the color that was originally under the paint doesn't show through the new color. Also, for latex paint, it lets the paint grip on to the new object so it doesn't chip as easily.\n\nPaint can be used on its own in some c... | [] | [] | [
[],
[]
] | ||
bzx6z4 | why do jury verdicts need to be unanimous? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bzx6z4/eli5_why_do_jury_verdicts_need_to_be_unanimous/ | {
"a_id": [
"eqy0952",
"eqy0zn3"
],
"score": [
14,
3
],
"text": [
"Because we have agreed that to convict someone the standard they are held to is \"beyond a reasonable doubt.\" That is an extremely high bar, and it is assumed that if as a juror you don't believe that burden has been met, ... | [] | [] | [
[],
[]
] | ||
2is73j | why can you just tag the base to get a runner out at first in baseball but it seems like you need to tag the runner himself all other times? | I am a Brit and have never understood when it is OK to just tag the base and under which circumstances you need to whack the dude with the ball in your glove (which are entirely unnecessary by the way - catch the ball with your bare hands like gentlemen do). | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2is73j/eli5_why_can_you_just_tag_the_base_to_get_a/ | {
"a_id": [
"cl4yak5",
"cl4yat9"
],
"score": [
3,
2
],
"text": [
"It's an issue of \"forced\" or not. If the runner has an alternative destination then you have to tag them, if they do not...you can tag the base. In the case of a runner stealing from first to second, the runner could ret... | [] | [] | [
[],
[]
] | |
2tzj7y | what is the difference between sleep paralysis and lucid dreaming? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2tzj7y/eli5_what_is_the_difference_between_sleep/ | {
"a_id": [
"co3r82h",
"co3rhur",
"co3sr3h",
"co3tfxf"
],
"score": [
3,
3,
3,
3
],
"text": [
"In sleep paralysis you don't feel asleep, just trapped in a sleeping body. In lucid dreaming you feel freed into a dream world. So they are basically opposite, even though they bot... | [] | [] | [
[],
[],
[],
[]
] | ||
9ur2nr | how does electricity get into a battery | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9ur2nr/eli5_how_does_electricity_get_into_a_battery/ | {
"a_id": [
"e96bp8e",
"e96btyt",
"e96c94m"
],
"score": [
3,
3,
7
],
"text": [
"It doesn’t get into the battery, that’s what a battery is. By combining different elements that undergo a chemical reaction that produces extra electrons. There’s a natural “pull” whenever an imbalance... | [] | [] | [
[],
[],
[]
] | |
354fhl | why are blackberry phones considered more secure/unhackable compared to apple or android phones? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/354fhl/eli5_why_are_blackberry_phones_considered_more/ | {
"a_id": [
"cr0w8zg"
],
"score": [
4
],
"text": [
"I believe it is the same reason Macs seemed more virus-resistant for quite awhile, too-- because fewer people use it, fewer people are creating viruses for it. Why create a massive virus to affect a minority of users when you can put your effort ... | [] | [] | [
[]
] | ||
1v6xwd | why does non-dairy creamer dissolve more quickly in hot coffee/tea than cold? | When my coffee has been sitting in a mug for a few minutes before I decide to add non-dairy (powdered) creamer, the creamer tends to clump up and dissolve more slowly than if I add it when the coffee is piping hot. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1v6xwd/eli5why_does_nondairy_creamer_dissolve_more/ | {
"a_id": [
"cepalob"
],
"score": [
2
],
"text": [
"When something is hot, the molecules are moving around in it much faster. That's actually what heat means on a physical level. All that moving around is kind of like stirring on the molecular level. Things get mixed by the motion and there's more... | [] | [] | [
[]
] | |
1mnzqe | what is database indexing? | I've got a general idea as it speeds up processing of searches, but I'm not quite sure what exactly is being done on the back-end. Can someone please explain indexing? What is it exactly, and how is it done in regards to databases? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1mnzqe/eli5_what_is_database_indexing/ | {
"a_id": [
"ccazn4n"
],
"score": [
2
],
"text": [
"A database is like a library - it holds information.\n\nA completely unindexed table is called a \"heap.\" It's analogous to the books just being piled in a heap on the floor. The info's still in there, but it's going to take forever to find the ... | [] | [] | [
[]
] | |
40a08n | why are polygraph tests inadmissable in court? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/40a08n/eli5why_are_polygraph_tests_inadmissable_in_court/ | {
"a_id": [
"cyslx4f",
"cysm2uf"
],
"score": [
7,
2
],
"text": [
"They're not considered very trustworthy. They really only measure heartrate, and while it is common for your heartrate to elevate while lying, your heartrate can elevate for a LOT of reasons- like stress for example. Do you ... | [] | [] | [
[],
[]
] | ||
nqtz8 | it's nearly 2012...eli5 what problems are still preventing a hoverboard from being created and mass marketed. | Why is this technology still not available to us? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/nqtz8/its_nearly_2012eli5_what_problems_are_still/ | {
"a_id": [
"c3b7rve",
"c3b7rve"
],
"score": [
4,
4
],
"text": [
"This isn't my area of expertise, but I can think of a few reasons:\n\n1) The amount of energy needed to power the device. The weight of a person plus the board plus the engine could easily weigh over 200 lb. That means tha... | [] | [] | [
[],
[]
] | |
33hdw4 | why being quiet is so taboo. | I hear all the time how people get so offended when someone is quiet. Quiet people aren't making small talk with you, but it's not about hurting your feelings, and how often do you see quiet people make someone feel like shit over a "stupid question" or for whatever reason people insult others? When people do insult ot... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/33hdw4/eli5_why_being_quiet_is_so_taboo/ | {
"a_id": [
"cqkvfjs",
"cqkvsqr"
],
"score": [
2,
3
],
"text": [
"It's considered a natural trait of humans to communicate and love. Most people consider the purpose of life to be \"To live and love\". When you are quiet, you make it seem like you don't want to be a part of our party. It's... | [] | [] | [
[],
[]
] | |
7s2qwx | how did people living before the modern ages survive and get different sources of food which grew far outside their nation if global shipping came very later on? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7s2qwx/eli5_how_did_people_living_before_the_modern_ages/ | {
"a_id": [
"dt1k9s4",
"dt1kpmt"
],
"score": [
5,
2
],
"text": [
"What makes you think that the essential vitamins weren't available locally?\n\nVitamins are basic chemicals needed for life. Any stable ecosystem will have sources of them.",
"Your question contains a false assumption. ... | [] | [] | [
[],
[]
] | ||
4iaory | how low would gravity need to be for a human to survive falling at its terminal velocity? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4iaory/eli5_how_low_would_gravity_need_to_be_for_a_human/ | {
"a_id": [
"d2whk15",
"d2wij9v",
"d2wkfx3",
"d2wm5zy"
],
"score": [
17,
2,
6,
2
],
"text": [
"Depends what you land on. Humans have survived falls at terminal velocity on earth: it's just not pleasant, and not massively likely. ",
"I think the problem here is twofold.\... | [] | [] | [
[],
[],
[],
[]
] | ||
a8inq0 | why do people irrationally hate things that are popular, e.g fortnite, musicians etc. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a8inq0/eli5_why_do_people_irrationally_hate_things_that/ | {
"a_id": [
"ecaze66",
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"ecb7csj",
"ecb7mm0",
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222,
... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | ||
3phgjp | why do we believe that "this is the one" and fear we "will never meet somebody like him/her in our life again"? | Is this a healthy thought, based on biology or psychology or is this an indicator for fears of loss? Is such thing even possible, regarding that there are over 7 billion people living on the world?
Edit: Of course I meant: why do SOME people believe that. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3phgjp/eli5_why_do_we_believe_that_this_is_the_one_and/ | {
"a_id": [
"cw6arib",
"cw6bgwc"
],
"score": [
2,
2
],
"text": [
"I don't believe either of those things. I just want to be clear that not everyone believes this. Or feels this.",
"Carl jung believed we have archetypal images in the psyche which can manifest unto people. He gave a stor... | [] | [] | [
[],
[]
] | |
9r163x | why is ios said to almost never be affected by viruses, whereas other operating systems are? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9r163x/eli5_why_is_ios_said_to_almost_never_be_affected/ | {
"a_id": [
"e8d7x22",
"e8d7yir"
],
"score": [
2,
2
],
"text": [
"With mobile phone operating systems, a challenge is getting malicious code onto a user's device. With web browsers limiting plugins like Flash and Java, and blocking installation of apps from outside offical sources, that i... | [] | [] | [
[],
[]
] | ||
4drpbg | why is the standard dose of just about all medicines two tablets? couldn't they just make one that's twice as concentrated? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4drpbg/eli5_why_is_the_standard_dose_of_just_about_all/ | {
"a_id": [
"d1tohxc",
"d1tokie",
"d1tp2wj",
"d1tp4cv",
"d1tt0nu",
"d1tvatl",
"d1u5qbc"
],
"score": [
6,
20,
9,
4,
3,
2,
2
],
"text": [
"But what if you needed to give a smaller dose to someone who was physically smaller, or whose body was weaker and... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | ||
bw89oj | why does the water pressure drop a little bit once the water heats up? | When I have a shower, I leave the hot water on to heat up and I can hear the drop in pressure when it's done. I also notice this when using the kitchen sink and the water seems to become less oxygenated(?) Always wondered why, if the water heats up in the pipe shouldn't it expand and the water pressure rise? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bw89oj/eli5_why_does_the_water_pressure_drop_a_little/ | {
"a_id": [
"epvut5u",
"epvuuoi"
],
"score": [
3,
2
],
"text": [
"Do you mean water flow? Usually rubber in taps expands when it heats so the flow decreases.",
"It shouldn't have anything to do with the water per se, but with the supply chain, since technically, if you heat water, the ... | [] | [] | [
[],
[]
] | |
4bol8e | what is a site's robot.txt? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4bol8e/eli5_what_is_a_sites_robottxt/ | {
"a_id": [
"d1b19dz"
],
"score": [
3
],
"text": [
"It's a file containing instructions telling search engine spiders and other programs which parts of the site they shouldn't look at, for example _URL_0_ on Reddit. It won't stop an evil program from reading those pages, but a polite one like Goog... | [] | [] | [
[
"https://www.reddit.com/robots.txt"
]
] | ||
2jkz8i | why does having bigger muscles enable someone to lift or push more weight? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2jkz8i/eli5_why_does_having_bigger_muscles_enable/ | {
"a_id": [
"clcp1ne",
"clcsscg"
],
"score": [
11,
2
],
"text": [
"Actually the 650 skeletal muscles in the human body contract when they receive signals from motor neurons, which are triggered from a part of the cell called the sarcoplasmic reticulum. Motor neurons tell your muscles to co... | [] | [] | [
[],
[]
] | ||
3ymppp | is it possible to change the structure of molecules using electricity or vibrations? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3ymppp/eli5is_it_possible_to_change_the_structure_of/ | {
"a_id": [
"cyer1v7",
"cyer77d"
],
"score": [
3,
6
],
"text": [
" > I.E: Change water into quartz\n\nNo. Water is composed of two hydrogen atoms bound to a single oxygen atom. Quartz is composed of two oxygen atoms bound to a single silicon atom. Short of using a particle accelerator t... | [] | [] | [
[],
[]
] | |
1w55p7 | legally speaking, how does recanting a confession work? | I'm in the US so US law in particular is my interest here. Let's say I walk into a police station and tell them I killed Jim Smith. Boom, confessed, nice nice. Three days later, I decide I'd rather have not told them that and recant my confession. Pain in the ass me, right?
Seriously, though--how, in a legal procedu... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1w55p7/eli5_legally_speaking_how_does_recanting_a/ | {
"a_id": [
"ceys3vl"
],
"score": [
2
],
"text": [
"[This](_URL_0_) wikipedia article is actually a pretty good survey briefing of the topic of both coerced and voluntary false confessions. \n\nTypically, short of evidence of coercion, once a confession is out there it's usable by the prosecuti... | [] | [] | [
[
"http://en.wikipedia.org/wiki/False_confession"
]
] | |
93sny5 | what is the funny taste we experience after hitting our heads too hard? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/93sny5/eli5_what_is_the_funny_taste_we_experience_after/ | {
"a_id": [
"e3fragq",
"e3fs2ln"
],
"score": [
71,
9
],
"text": [
"Post traumatic dysgeusia\n\nThe short version is that it's your body undergoing trauma and your salivary glands sort of going haywire temporarily. \n\nIt is not an adrenal response or spinal/brain fluid as most people false... | [] | [] | [
[],
[]
] | ||
1xefu8 | what is wifi, like, physically? electromagnetic radiation? if so, what kind? | I've never fully understood the properties of a WiFi signal. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1xefu8/eli5_what_is_wifi_like_physically_electromagnetic/ | {
"a_id": [
"cfalfra",
"cfanlfd",
"cfapuip"
],
"score": [
30,
13,
4
],
"text": [
"Radio waves. Very high frequency, approximately what you use for good cordless phones. ",
"Yes, it's electromagnetic radiation. Depending on what type of WiFi set-up you have (or are using if you'... | [] | [] | [
[],
[],
[
"http://www.youtube.com/watch?v=trYBogpHHGY"
]
] | |
2ek7lo | how did we learn to make fire? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ek7lo/eli5_how_did_we_learn_to_make_fire/ | {
"a_id": [
"ck09eq3",
"ck0c2tq",
"ck0dyx3",
"ck0gh6p",
"ck0hhd0"
],
"score": [
12,
5,
4,
2,
2
],
"text": [
"Someone else will probably have a better informed/cited answer. But I did a quick 5 minute research session and will back up what I found with a wikipedia li... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Control_of_fire_by_early_humans"
],
[],
[],
[],
[]
] | ||
cxxn39 | why are lakes so calm but oceans and rivers so unpredictable? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cxxn39/eli5_why_are_lakes_so_calm_but_oceans_and_rivers/ | {
"a_id": [
"eyo5uyc"
],
"score": [
3
],
"text": [
"Lakes are smaller than oceans by a lot, and so they end up with fewer instances of turbulence or choppiness compared to ocean water.\n\nFor example, the spin of the Earth causes a band of high winds and ocean currents near the equator, which chur... | [] | [] | [
[]
] | ||
6pxut7 | the human body maintains a core temperature of around 37℃. how does the body know its temperature ? how does it know if its above or below its ideal temperature ? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6pxut7/eli5_the_human_body_maintains_a_core_temperature/ | {
"a_id": [
"dkt11wo"
],
"score": [
2
],
"text": [
"your skin is covered in cells that detect temperature. These react very quickly to any temperature outside of a very narrow range. When it goes too far from that range, it transmits signals very similar to pain. these signals go to your brain, wh... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Thermoreceptor"
]
] | ||
66g6o1 | why do we, as humans, often make decisions contrary to what our brains "know deep down" that we're supposed to do? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/66g6o1/eli5_why_do_we_as_humans_often_make_decisions/ | {
"a_id": [
"dgi8wm0",
"dgi9pbg"
],
"score": [
3,
2
],
"text": [
"If I recall correctly, our limbic system dictates our \"gut instincts\" and our prefrontal cortex dictates decisions based on logic. The more data we get, the more our prefrontal cortex gets overloaded with information causi... | [] | [] | [
[],
[]
] | |
megw9 | how mao got into power and why china is one of the most successful communist countries. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/megw9/eli5_how_mao_got_into_power_and_why_china_is_one/ | {
"a_id": [
"c308w7g",
"c309bja",
"c30abad",
"c30bn5e",
"c308w7g",
"c309bja",
"c30abad",
"c30bn5e"
],
"score": [
3,
5,
2,
5,
3,
5,
2,
5
],
"text": [
"I can answer the second part of the question\n\n* organised labour workforce\n\n* firewall i... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[]
] | ||
4uc08q | why is a scratch on a black car white and on a white car black? | I usually only buy white or black cars and over the years I have noticed one annoying thing about all of them.
If I get a scratch on my white car it shows up black. Very obvious.
If I get a scratch on my black car it shows up white. Very obvious.
| explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4uc08q/eli5_why_is_a_scratch_on_a_black_car_white_and_on/ | {
"a_id": [
"d5ohnak",
"d5ohuuz"
],
"score": [
10,
8
],
"text": [
"It's nor white or black: it's grey and being half way between the 2 colors, it appears to be dark against white and fair against black. ",
"There are 4 major layers in the paint on a car, from bottom to top they are: \... | [] | [] | [
[],
[]
] | |
13zknj | how wireless charging works and why it can/can't be put in roads to power electric cars? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/13zknj/eli5_how_wireless_charging_works_and_why_it/ | {
"a_id": [
"c78ipu7",
"c78jfw9",
"c78jkiy",
"c78jrgp",
"c78lkxf",
"c78nifa",
"c78vuh7",
"c78wtuw"
],
"score": [
67,
2,
3,
16,
2,
7,
2,
3
],
"text": [
"Imagine you have two loops of wire very close to each other. You put an electrical current... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Electromagnetic_induction"
],
[],
[
"http://lh5.ggpht.com/_WYjBARlQnps/TLy0Nb3zdDI/AAAAAAAAA64/vkR6Nf6esHc/FogPattern_thumb%5B2%5D.jpg"
],
[],
[],
[
"http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=5&ved=0CE8QFjAE&a... | ||
vaxpk | ipv6, the new and improved internet protocol? | Maybe start with what an internet protocol is, and how IPv6 differs from IPv4 (is there an IPv5?)
Thanks! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/vaxpk/eli5_ipv6_the_new_and_improved_internet_protocol/ | {
"a_id": [
"c52vrue",
"c52w8t3",
"c52wjgo",
"c52xmro"
],
"score": [
3,
9,
3,
2
],
"text": [
"Watch this [video from Google regarding the differences.](_URL_0_)",
"Imagine you invent the telephone. Telephones are complicated and expensive, and not many people can afford... | [] | [] | [
[
"http://www.youtube.com/watch?v=-Uwjt32NvVA&feature=my_liked_videos&list=LLXgJVc_9yMPjQfXRcMPvtXA"
],
[],
[],
[]
] | |
2brd9z | how is it that we are the most advanced species on the planet, yet our young take so long (much longer than most species) to be self-sufficient? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2brd9z/eli5_how_is_it_that_we_are_the_most_advanced/ | {
"a_id": [
"cj85h8l",
"cj85hmy",
"cj85icc",
"cj85m6q",
"cj873r3"
],
"score": [
13,
2,
5,
3,
2
],
"text": [
"That's just it. It takes a while to amass information and use it.\n\nAn animal just does whatever comes natural, aka 'instinct'. But humans are taught and ... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
3slcw2 | what are the differences of viral, fungal, and bacterial infections in the human body. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3slcw2/eli5_what_are_the_differences_of_viral_fungal_and/ | {
"a_id": [
"cwya6ie"
],
"score": [
2
],
"text": [
"The difference is the type of critter that is making you sick/causing the infection. Viral infections are caused by a maybe alive, maybe not depending on who you talk to, bit of protein and RNA that hijack your cells to produce more copies of its... | [] | [] | [
[]
] | ||
1ph2vb | how come potatos float, but things just as heavy sink? | Also, how do boats really work (without the engines) | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ph2vb/eli5_how_come_potatos_float_but_things_just_as/ | {
"a_id": [
"cd27pe5",
"cd27rs2"
],
"score": [
5,
6
],
"text": [
"If something (like a potato or wood) is less dense than the liquid (like water) you place it in, it will float. It is about density, not weight.",
"Floating doesn't have as much to do with weight as it has to do with den... | [] | [] | [
[],
[]
] | |
unkde | what is the difference between private property and personal property? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/unkde/what_is_the_difference_between_private_property/ | {
"a_id": [
"c4wx0g1",
"c4wx4y0"
],
"score": [
4,
2
],
"text": [
"*Personal* property is stuff that you just like... have lying around. Your clothes would be personal property, along with your phone, dog, and TV.\n\n*Private* property is stuff like an office or factory. You're not holding ... | [] | [] | [
[],
[]
] | ||
4vhhow | how does helium in a sealed balloon "wear out" after a few days, and what do blimps do to counteract this effect? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4vhhow/eli5_how_does_helium_in_a_sealed_balloon_wear_out/ | {
"a_id": [
"d5ydw5f",
"d5ylgc3",
"d5yvesp"
],
"score": [
291,
38,
2
],
"text": [
"Helium is the smallest stable molecule there is. It is so small that it can fit between the molecules of most solid materials. So keeping helium in a rubber balloon is like keeping water in a cloth b... | [] | [] | [
[],
[],
[]
] | ||
2j7r0y | if my computer can watch gameplay of a game on the highest quality why can't my video card support it's graphics. | (I know I'm being stupid just can't figure it out) | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2j7r0y/eli5if_my_computer_can_watch_gameplay_of_a_game/ | {
"a_id": [
"cl94ou4",
"cl94qr2",
"cl954is"
],
"score": [
5,
2,
2
],
"text": [
"When you play the game, your computer has to calculate many things like how the light is going to bounce off different objects, it has to load texture files, render complex 3d models and many more.\n\n... | [] | [] | [
[],
[],
[]
] | |
1a6bjd | why when repaving a freeway is the concrete under an overpass never paved over | every time i drive on a freeway, I always see that the new pavement never extends under an overpass, I just drive on the old pavement until I am about 50-100ft clear of the overpass, the the new pavement begins again. this is in California btw, don't know about other states
here's a image to clear it up...or confuse ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1a6bjd/why_when_repaving_a_freeway_is_the_concrete_under/ | {
"a_id": [
"c8uhf90"
],
"score": [
2
],
"text": [
"The dump truck which feeds the paving machine often has its [bed extended high into the air](_URL_0_), which probably exceeds the clearance of many overpasses. I'd imagine they just skip them and finish up with smaller equipment after the main dr... | [] | [
"http://imgur.com/174S8us"
] | [
[
"http://i.imgur.com/Ar5ina5.jpg"
]
] | |
2deq3j | why can't we bring in sealed beverages through tsa checkpoints but we can buy those same beverages on the other side at 200% markup? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2deq3j/eli5_why_cant_we_bring_in_sealed_beverages/ | {
"a_id": [
"cjosfyz",
"cjosg66",
"cjov6kc",
"cjovdi5",
"cjow46o",
"cjowcw7",
"cjoysdw",
"cjp23rl",
"cjpf2lf",
"cjpfdah"
],
"score": [
12,
35,
4,
4,
2,
26,
10,
6,
2,
2
],
"text": [
"You just answered your own question.",
"... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | ||
6lb5vu | if fireworks are illegal, why do people get them anyway and don't get penalized? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6lb5vu/eli5_if_fireworks_are_illegal_why_do_people_get/ | {
"a_id": [
"djshi8a",
"djshy2u",
"djsi34g"
],
"score": [
6,
2,
5
],
"text": [
"Fireworks are illegal in the same way that jaywalking is illegal. They're a minor infraction punishable by a small fine. So unless you're causing trouble, most cops aren't going to waste their time writ... | [] | [] | [
[],
[],
[]
] | ||
bk5nqn | how does ritalin work? | So from what I have gathered, Ritalin leads to the release of dopamine and noradrenaline at synapses. It blocks the dopamine transporters, leading to the effects of dopamine being longer-lasting.
& #x200B;
My question is: Why and how does the release of dopamine and noradrenaline help with concentration and ADHD? An... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bk5nqn/eli5_how_does_ritalin_work/ | {
"a_id": [
"eme3akx",
"eme8ew7",
"emefchk"
],
"score": [
2,
3,
2
],
"text": [
"For me it doesn't help directly with concentration, but I don't get frustrated and angry so easily, which then leads to being able to concentrate easilier.\n\nSource: got adhd and been on ritalin uno fo... | [] | [] | [
[],
[
"https://www.youtube.com/watch?v=FO10z7FX13c",
"https://www.ncbi.nlm.nih.gov/pubmed/24259638"
],
[
"https://upload.wikimedia.org/wikipedia/de/6/6f/Stoch_reson_example1.png"
]
] | |
3e6vdj | they had rc planes and helicopters way before and no one cared so what's the big issue with people and drones? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3e6vdj/eli5_they_had_rc_planes_and_helicopters_way/ | {
"a_id": [
"ctc0kva",
"ctc0nas",
"ctc1qnj",
"ctc1wgz",
"ctc2d1b",
"ctc3caq",
"ctc433z",
"ctc4hmg",
"ctc4ld8",
"ctc63z4",
"ctc7tkd",
"ctc7uq7",
"ctc826o",
"ctc8kkg",
"ctc8xg5",
"ctc9mze",
"ctc9ywv",
"ctca219",
"ctcaay8",
"ctcag9b",
"c... | [] | [] | [
[
"http://southpark.cc.com/full-episodes/s18e05-the-magic-bush"
],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[
"http://www.dailynews.com/general-news/20150720/san-bernardino-county-fires-spark-bills-aimed-at-drones"
],
[],
[],
[],... | ||
6kbgdr | why aren't bluefin tuna more commonly bred? | I heard recently that a bluefin tuna sold in Japan for half a million dollars and some places sell a single sashimi piece of bluefin tuna for over $600. I've also read that the bluefin has become so overfished that it's thought to be near extinction or endangered at the very least. So why not breed/farm bluefin tuna? N... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6kbgdr/eli5_why_arent_bluefin_tuna_more_commonly_bred/ | {
"a_id": [
"djkr9hb",
"djl4u9t"
],
"score": [
5,
2
],
"text": [
"It's not as profitable as you would think. Bluefins require *massive* amounts of food per pound of weight gained. They also are 1000+ lbs so you need a huge amount of space and heavy duty equipment to do it. The land and ... | [] | [] | [
[],
[]
] | |
5xzxhg | why do pets have "favorite" toys? | Is this behavior also observed in nature, or is there some other instinct that it is mirroring? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5xzxhg/eli5why_do_pets_have_favorite_toys/ | {
"a_id": [
"dem57ct"
],
"score": [
4
],
"text": [
"Pets are just like us. They have smells they prefer, colors (if they can see them) etc. They also often like predictibility and routine at times and may find relaxing with the same object often soothing. Other features that cause a pet to enjoy a... | [] | [] | [
[]
] |
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