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19kn70 | why i can read a sentence several times but i do not know what tge sentence is saying. i recognize the words but its like they have no meaning. this happens when ive been studying for a while. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/19kn70/eli5_why_i_can_read_a_sentence_several_times_but/ | {
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2rhc66 | how magnetic attractions work | no like seriously, i understand fields...why do they pull each other | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2rhc66/eli5_how_magnetic_attractions_work/ | {
"a_id": [
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"The magnetic force is a manifestation of electron spin and mediated by virtual photons. Certain spin alignments between the electrons and the external field are more favourable than others (depending on the material) i.e. t... | [] | [] | [
[],
[]
] | |
bwrhvi | how do guns work? | Like for example a revolver, how does it shoot a bullet so far and so strongly? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bwrhvi/eli5_how_do_guns_work/ | {
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"When you pull the trigger on a double-action revolver, a couple of things happen.\n\n1. The part holding the bullets rotates into place to align with the barrel.\n2. The hammer pulls back.\n3. Once a certain point is reache... | [] | [] | [
[],
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21y5fh | 4.33 gpa scale | A bunch of Canadian universities use 4.33, Stanford uses 4.3, etc.
What are the differences between this system andthe 4.0 system? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/21y5fh/eli5_433_gpa_scale/ | {
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"It's to implement plus/minus grading in a fair way.\nSpecifically, its to allow an A+ to gave a better GPA than an A.\n\nThe 'problem' is that without the plus/minus grading scale, there's no difference within a grade--an 89 and an 80 are virtual... | [] | [] | [
[
"http://senate.rutgers.edu/asraconplusminusgrades042806.pdf"
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40e8xu | i understand why construction workers would make a new road section or bridge to allow traffic to continue when an old one needs repaired. but why tear it down when the original one is fixed? why not make the new road section or bridge and stop there? | I've seen this multiple times driving both on small roads and major highways. But it doesn't seem like it would be very cost efficient to make a whole new road/bridge, fix the old one, and then tear down the new one.
EDIT: I can see how it would be more cost efficient to do this if the road or bridge is in a populated... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/40e8xu/eli5_i_understand_why_construction_workers_would/ | {
"a_id": [
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"text": [
"Because the temporary bridge isn't built to last an extended period of time.\n\nLike, you have scaffolding around a building as it's built - so why not build a building *from* scaffolding? Because it's not designed to last."
]
} | [] | [] | [
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2vchku | why do most sedans only have air vents in the front? why do they never make vents for the back seat passengers? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2vchku/eli5_why_do_most_sedans_only_have_air_vents_in/ | {
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"text": [
"Air is usually taken in under the bonnet - to have it come out through the dashboard is fairly easy as you just have to have pipes come through the firewall into the passenger compartment.\n\nIf you want vents for the rear seat passengers, you ne... | [] | [] | [
[]
] | ||
46gkma | how do other languages use ipuac nomenclature and common names even though they are derived from english? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/46gkma/eli5_how_do_other_languages_use_ipuac/ | {
"a_id": [
"d04xuq4"
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"score": [
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"text": [
"IUPAC chemical names are as much Latin as English. They use \"hex\" for instance rather than \"six\". The use of Latin names in science goes back centuries."
]
} | [] | [] | [
[]
] | ||
1pbvwz | relatively speaking, can the light speed be exceeded? | I require an explanation like I'm 5, and I'm going to try to explain my question like I'm 5 as well, so bear with me for a little:
So imagine you are in a bicycle and someone is standing on the sidewalk. You bike past them at 20km/h and they see you go away at that speed. BUT, now imagine that both you and the guy who... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1pbvwz/eli5_relatively_speaking_can_the_light_speed_be/ | {
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"text": [
" > For you and the guy ON the boat, you are still traveling at 20km/h, but for the guy on the pier, you are going at 70km/h: 50km/h from the boat and 20km/h from your biking.\n\nActually, he'd see you going just slightly *under* 70 km/h. Speeds... | [] | [] | [
[]
] | |
7kb2i4 | why can't we build an airplane that have something like bird wings, like the one illustrated by da vinci? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7kb2i4/eli5_why_cant_we_build_an_airplane_that_have/ | {
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"text": [
"Bird flight isn't very efficient, they're *extremely* light to enable flight at all and pretty slow.\n\nThe fixed-wing flight our aircraft use is much faster and can carry much greater loads.",
"For the reasons lithium m... | [] | [] | [
[],
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65gmoi | why does it seem like after you go through some tragic events in life you lose the capability of having feelings? | I've been numb for like 2 years after losing a loved one and other eventful things. I was always a very emotional guy but I feel like I'm physically incapable of crying if I wanted to now. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/65gmoi/eli5_why_does_it_seem_like_after_you_go_through/ | {
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"I think maybe we subconsciously prioritize certain things once we experience tragedy. Things that used to provoke emotion end up being nowhere what we've gone through and we someh... | [] | [] | [
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7iyhj3 | remember when point and shoot cameras had a flash that made a high pitched tone when you turned it on? what made that sound? what was the purpose of that sound? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7iyhj3/eli5remember_when_point_and_shoot_cameras_had_a/ | {
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"text": [
"That was probably the sound of a capacitor charging up. Then the camera has enough power for one flash. Then it charges up again. \n\nCapacitors are a way for an electronic device to get steady energy a... | [] | [] | [
[],
[],
[]
] | ||
8pzv5a | how does our body's immune system determine what bodies are foreign bodies? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8pzv5a/eli5_how_does_our_bodys_immune_system_determine/ | {
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"text": [
"Antibodies and antigens. \n\nWhen cells come into the body, they have antigens, or \"markers\" that allow the T cells to \"sniff them out\" with their antibo... | [] | [] | [
[],
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"https://img.purch.com/w/660/aHR0cDovL3d3dy5saXZlc2NpZW5jZS5jb20vaW1hZ2VzL2kvMDAwLzA5OS83Mjcvb3JpZ2luYWwvdGh5bXVzLmpwZw==",
"http://www.itsaturday.com/images/seriesImages/1889/Ozzy-and-Drix-20022003.jpg",
"https://en.wikipedia.org/wiki/Natural_killer_cell"
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b6ub66 | at what age does a car stop decreasing in value and instead increase do to it antiquity? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b6ub66/eli5_at_what_age_does_a_car_stop_decreasing_in/ | {
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"For most cars, never. It's not just raw age that makes a car valuable -- the car itself has to be desirable. For example, a 70s Toyota Corolla is never going to be as valuable as a 70s Chevy Impala or P... | [] | [] | [
[],
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eq1s6o | when you have a stuffy nose and stand up it totally clears for a little bit then clogs back up. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/eq1s6o/eli5_when_you_have_a_stuffy_nose_and_stand_up_it/ | {
"a_id": [
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"text": [
"Stuffy noses are caused mostly by inflamed tissues in our nasal passages and sinuses. When you stand up, gravity and inertia cause the blood in our heads to shift slightly lower in our bodies (the same reason why you can feel light headed if you ... | [] | [] | [
[]
] | ||
1oeut6 | what's so great about honey? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1oeut6/eli5_whats_so_great_about_honey/ | {
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"text": [
"People love the sweet taste. ",
"Honey is great, but the bees are priceless to humanity. They pollinate 80 percent of our flowering crops which constitute 1/3 of everything we eat.",
"it is swee... | [] | [] | [
[],
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65iv57 | why does cold water expose or agitate sensitive parts of the tooth but normal temperature water doesn't. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/65iv57/eli5_why_does_cold_water_expose_or_agitate/ | {
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"text": [
"Sensitive teeth are more aggravated by stimuli than average, generally because they are well protected because of the condition of the tooth - decay, thinning of the enamel etc, can expose the nerves more to temperature changes.\n\nNerve endings ... | [] | [] | [
[]
] | ||
4wp0ld | why does erdogan hate gülen so much ? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4wp0ld/eli5_why_does_erdogan_hate_gülen_so_much/ | {
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"The rumor is that, Gülen asked Erdoğan for a certain quota within the MP's in AKP. For example, 40% of the MP's.(The figure may not be necessarily correct) Anyways, besides that, they started fighting over money belongs to t... | [] | [] | [
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2a1rdv | how does google manage to map the world so accurately. | I mean I know imaging is made possible by satellites, but finding out locations and what is named what??? Even community participation helps, what about rural areas? I live in India, and I know places which are on Google Maps which could not have been reported by anyone! How then, did they end up there? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2a1rdv/eli5_how_does_google_manage_to_map_the_world_so/ | {
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"text": [
"Actually, the map data isn't done by satellites. Maps are created by extremely accurate surveying using [theodolites](_URL_0_). In the old days, only mapmaking companies had the equipment to turn this data into maps. Now, co... | [] | [] | [
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1r7kw9 | the size of space | I know space is incredibly huge and I love hearing new explanations of how big it really is. a user once said "imagine you have a really big piece of paper and a ball point pen. put a single dot down and that represents our solar system. 9 feet away draw another point, that's the closest star. 20 miles another dot and ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1r7kw9/the_size_of_space/ | {
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"text": [
"Space is big. You just won't believe how vastly, hugely, mind- bogglingly big it is. I mean, you may think it's a long way down the road to the chemist's, but that's just peanuts to space. - Douglas Adams\n\nNot so much an e... | [] | [] | [
[],
[]
] | |
173scu | what this quote from george washington means, and it's significance. | *"A free people ought not only to be armed but disciplined; to which end a uniform and well digested plan is requisite: And their safety and interest require that they should promote such manufactories, as tend to render them independent on others, for essential, particularly for military supplies."* - George Washingto... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/173scu/eli5_what_this_quote_from_george_washington_means/ | {
"a_id": [
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"text": [
"Washington is stating two things:\n\n1. That \"a free people\" shouldn't (or you could say can't) defend themselves just by having weapons, they have to be responsible and trained in their care and use, and organized to fight together, rather tha... | [] | [] | [
[]
] | |
cvk72q | are screens bad for my baby? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cvk72q/eli5_are_screens_bad_for_my_baby/ | {
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"text": [
"Do you really want to start the smartphone addiction before you have to?",
"Beyond physical addiction, they are extremely harmful to emotional and psychological development. Children who are given devices to keep themsel... | [] | [] | [
[],
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] | ||
2d7kuf | how can the kurds have an all-kurd military when they are not a state? | With the recent news of the Kurds going on the offensive against IS I was curious how this would work. If they don't have a state, how do they have a government? How do they fund this military? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2d7kuf/eli5_how_can_the_kurds_have_an_allkurd_military/ | {
"a_id": [
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"text": [
"The Kurds are an ethnic minority in the Middle East. In Iraq, there is an autonomous region in the north known as Kurdistan. While not technically independent from Iraq, it spent most of the American occupation functioning basically as a small st... | [] | [] | [
[]
] | |
7oi4j0 | what is the atomic radius and is there a formula to calculate it? | plz help i have an exam tomorrow and its not looking good for me. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7oi4j0/eli5_what_is_the_atomic_radius_and_is_there_a/ | {
"a_id": [
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"score": [
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"text": [
"Simply google atomic radius, you’ll see what’s known as a “trend”. That’s how you calculate it. "
]
} | [] | [] | [
[]
] | |
19gvlo | where exactly does the justice system break down allowing a petty thief to do jail time and bankers who are responsible for $millions in fraud to get away with their crime? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/19gvlo/eli5_where_exactly_does_the_justice_system_break/ | {
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"text": [
"what crime are you refering to?unethical isnt the same as criminal",
"I am a banker by trade, I'm willing to answer any questions you have on what I do etc in an effort to cl... | [] | [] | [
[],
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76rk8b | is there any way to block solar flares from affecting the whole planet? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/76rk8b/eli5is_there_any_way_to_block_solar_flares_from/ | {
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"text": [
"[We're already doing that by accident, with radio waves.](_URL_0_)\n\n > Very Low Frequency (VLF) broadcasts have created a planetary cocoon, shielding the planet from high energy particle radiation, according to a NASA pre... | [] | [] | [
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"https://www.smithsonianmag.com/smart-news/human-activity-changing-space-too-180963369/"
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fyzv5n | how did some companies evade tax, or do money laundering by charities? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fyzv5n/eli5_how_did_some_companies_evade_tax_or_do_money/ | {
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"There is a TON of ways they avoid tax. The legal ones are a lot to do with not directly keeping money.\n\nAmazon for example just reinvest all their money. You'd think they have more raw profits than anyone, but they don't. They reinvest profit... | [] | [] | [
[]
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5ckc6f | how land taxes work | Theoretically say a person inherits land or pays cash outright, if said person owns said land, why is it required to pay taxes on the land? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ckc6f/eli5_how_land_taxes_work/ | {
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"text": [
"They're required to pay taxes because the law dictates they must pay property taxes.\n\nPaying property tax is a way of ensuring that people who have stuff pay for the shared infra... | [] | [] | [
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4eiuvi | should i take estrogen to balance my high testosterone levels? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4eiuvi/eli5_should_i_take_estrogen_to_balance_my_high/ | {
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"text": [
"This seems like a situation that really should be discussed with a doctor instead of reddit. It may have potential benefits or drawbacks, but having a doctor with better knowledge of your individual circumstances would give ... | [] | [] | [
[],
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1xi7cj | after reading the creationist post, in the nicest possible way, how do they think everything became the way it was now, and after hearing evolution explained, why do they choose to disbelieve it/what flaws do they find in it? | I am not here to create any arguments such as the last post of a similar nature, but his post did get me wondering about what makes them still believe Creationism, or how do they explain Evolution's flaws after hearing it explained? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1xi7cj/eli5_after_reading_the_creationist_post_in_the/ | {
"a_id": [
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"text": [
"Virtually all the people I know who believe in Creationism do so because they refuse to doubt their faith in their church and their God. Most of them were taught to believe by their parents, and simply cannot admit to themselves that they are wro... | [] | [] | [
[]
] | |
4kh801 | how does a phone battery lose its initial capacity? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4kh801/eli5_how_does_a_phone_battery_lose_its_initial/ | {
"a_id": [
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"text": [
"Most phone batteries are Lithium Ion batteries. In a Li-Ion battery, Lithium ions are located inside the anode (the \"-\" side of the battery), inside the cathode (the \"+\" side of the battery) and in the electrolyte in between.\n\nThe Lithium I... | [] | [] | [
[]
] | ||
21y3sa | why do we hear so much about mexican drug cartels but nothing about the american distributors they sell to? | What happens when the drugs cross the border? Where do they go? Who is moving them and why do we never hear about it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/21y3sa/eli5_why_do_we_hear_so_much_about_mexican_drug/ | {
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"http://www.npr.org/2014/03/31/297145984/son-of-a-secret-smuggler-digs-up-the-truth-about-... | |
3mlwuy | would it ever be profitable for a studio to simply place a movie on youtube after a run in the box offices, netflix/hulu? | I was watching My Family (staring Edward James Olmos) yesterday after I found that someone had uploaded it to youtube. I could not find it for purchase on amazon or streaming on netflix/hulu/cable on demand. So why don't movie studios just place their movies on youtube, require you to have adblock turned off and place ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3mlwuy/eli5_would_it_ever_be_profitable_for_a_studio_to/ | {
"a_id": [
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"score": [
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"text": [
"Well there is no way it couldn't be profitable. As long as the studio made sure that they milked all the other options(by order:box office, DVD, streaming/vod services and TV)",
"Well, in the current model, chances are, ... | [] | [] | [
[],
[]
] | |
yvkg8 | why does it seem like i'm running/bicycling faster when it's dark outside? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/yvkg8/why_does_it_seem_like_im_runningbicycling_faster/ | {
"a_id": [
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"text": [
"I've not found anyone claiming a definitive answer for this question, but \"motion parallax\" seems to pop up a lot.\n\nWhen you're driving in a car and look out of the window, things close to the car appear to travel more quickly than things fa... | [] | [] | [
[]
] | ||
3bzibi | what happened to digg? | People keep mentioning it as similar to what is happening now.
Edit: Rip inbox | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3bzibi/eli5_what_happened_to_digg/ | {
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"csr7ocd",
"csr7xx2",
"c... | [] | [] | [
[],
[],
[],
[],
[],
[],
[
"http://readwrite.com/2008/05/17/digg_users_revolt_against_mrbabyman",
"https://upload.wikimedia.org/wikipedia/en/a/ae/HD_DVD_Night_Digg_Frontpage_before_rose_blog_post_screenshot.png",
"http://imgur.com/gallery/Y9G4SpV"
],
[],
[],
[],
[],
[],
[],
[]... | |
38ugq8 | why do people have to shower before entering a pool? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/38ugq8/eli5_why_do_people_have_to_shower_before_entering/ | {
"a_id": [
"crxx59f",
"crxx5cw",
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"crxzc7h",
"crxzj85"
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"score": [
2,
5,
5,
2,
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],
"text": [
"I know of no place that requires this, but I suppose it would be to promote hygiene as water can carry infections from someone who is no... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | ||
2nn4zj | i understand microprocessors, and that they are made up of transistors, but for these circuits, what does the "switching" to turn on different ic's | I understand the fundamentals of microelectronics. I dont understand however, how a processor is able to actuate different electrical circuits. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2nn4zj/eli5_i_understand_microprocessors_and_that_they/ | {
"a_id": [
"cmf35p5"
],
"score": [
2
],
"text": [
"Transistors in digital ICs are used mostly like little switches. The voltage on the gate terminal of the transistor turns it on or off, allowing current to flow between the source and drain terminals. So the output of one transistor can go to t... | [] | [] | [
[]
] | |
3rfi2r | when you put two phones up to each other and the people on the other ends talk it creates a very distorted and sometimes a sound like talking into a fan. why does this happen. | It's a long story as to why my grandparents do this, Just wondering why it happens. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3rfi2r/eli5_when_you_put_two_phones_up_to_each_other_and/ | {
"a_id": [
"cwnlmx5"
],
"score": [
4
],
"text": [
"It's called a feedback loop.\nWhat you're hearing is, in essence, a recording of a recording of a recording of a recording of a recording of a- You get the point.\nSound goes in both phones, through the line to speakers of both phones, back into ... | [] | [] | [
[]
] | |
74h2vc | what is that white stuff on my teeth i scrape off sometimes? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/74h2vc/eli5_what_is_that_white_stuff_on_my_teeth_i/ | {
"a_id": [
"dny6rp9"
],
"score": [
7
],
"text": [
"Bio film. Bacteria basically create this gooey substance to live in and try to take over the world. They’re comfy there so they can replicate. But when we brush our teeth, were disturbing their colonies and pull them apart. Ideally, you shouldn’t... | [] | [] | [
[]
] | ||
auuqgm | does water flowing through a hydroelectric dam carry fish and marine life? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/auuqgm/eli5_does_water_flowing_through_a_hydroelectric/ | {
"a_id": [
"ehartj7",
"ehasziv",
"ehauo8j"
],
"score": [
13,
6,
3
],
"text": [
"No. the intakes have screens and stuff to prevent that happening. Fish would get battered into paste by the turbines and would clog up the workings along with anything small enough to survive.\n\nThere... | [] | [] | [
[],
[],
[]
] | ||
4hl1w3 | why it is perfectly acceptable to have people wearing only underwear in picture advertisements but we ourselves are not allowed to stroll around in just underwear. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4hl1w3/eli5_why_it_is_perfectly_acceptable_to_have/ | {
"a_id": [
"d2qhjm7"
],
"score": [
6
],
"text": [
"Why do you think we're not allowed? A bathing suit has the same amount of coverage. As long as it is opaque it should be fine, though some cities enact ordinances otherwise.\n\nAs far as private property, like a mall, they are free to set their... | [] | [] | [
[]
] | ||
2z6hhq | how can schools/universities put so much emphasis and consequences on plagiarism when the professors/teachers blatantly plagiarize lecture materials like power-points as their own without consequences? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2z6hhq/eli5_how_can_schoolsuniversities_put_so_much/ | {
"a_id": [
"cpg3ad9",
"cpg3eys",
"cpg3iyz",
"cpg3pzt"
],
"score": [
5,
3,
2,
2
],
"text": [
"I don't know what kind of professors you have, but all mine have/had sources and citations in their lectures.",
"College professor checking in. Some of us absolutely use found ... | [] | [] | [
[],
[],
[],
[]
] | ||
1h06xi | why you can't buy individual songs over 10 minutes long on itunes (why do you have to buy the whole album??). | If you don't know what I'm talking about, look up a long song. If you don't know a long song, try the Tchaikovsky Piano Concertos. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1h06xi/eli5_why_you_cant_buy_individual_songs_over_10/ | {
"a_id": [
"capk771"
],
"score": [
4
],
"text": [
"Well especially with older albums like \"2112\" by Rush for example, the song \"2112\" literally took up half the album. Apple/Amazon doesn't like the fact that you just bought essentially half an album for $.99. Therefore you can only get the so... | [] | [] | [
[]
] | |
8avu07 | how do zero acceleration and zero velocity work? | Zero acceleration is when the velocity is constant..correct? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8avu07/eli5_how_do_zero_acceleration_and_zero_velocity/ | {
"a_id": [
"dx1zmke"
],
"score": [
4
],
"text": [
"Yes, acceleration is when there's no change in velocity. Zero velocity is when there's no change in position (or specifically, displacement). But velocity is a bit weird in that's it's kinda arbitrary. It needs to be relative to something.\n\nSo ... | [] | [] | [
[]
] | |
1kiowi | when i make a sound in a closed room, why doesn't the sound wave created keep bouncing back and forth forever? where does the "sound" go? | Thought of this randomly while driving into work this morning. We know energy is neither created nor destroyed, only transferred. So why doesn't the "sound wave" keep reverberating indefinitely? Does it get absorbed by the walls? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1kiowi/eli5_when_i_make_a_sound_in_a_closed_room_why/ | {
"a_id": [
"cbpbpw2"
],
"score": [
6
],
"text": [
"It vibrates the walls, floor, ceiling and everything in the room. These vibrations don't reflect perfectly. Instead they wiggle and jiggle and radiate the energy away as heat. When you make a sound, you are *very very slightly* raising the temper... | [] | [] | [
[]
] | |
bsx0mj | how are sperm whales nearly several hundred million times louder than what it takes to rupture your eardrum? | The volume of a jet engine 25 m away is 150 dB. The volume of a sperm whale click is 236 dB. Since dB is on a logarithmic scale, that would put the click at 400 MILLION times louder. Granted, I don't know how far away 236 dB is measured at, but surely if 150 dB is enough energy to rupture your eardrums, then wouldn't 2... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bsx0mj/eli5_how_are_sperm_whales_nearly_several_hundred/ | {
"a_id": [
"eordwiy",
"eororak"
],
"score": [
3,
9
],
"text": [
"I’m no expert in this subject but as I understand it: soundwaves this loud are more like shockwaves, measuring their amplitude with decibels doesn’t make the most sense but it does convey how powerful they are. Also the supe... | [] | [] | [
[],
[
"https://oceanexplorer.noaa.gov/explorations/sound01/background/acoustics/acoustics.html"
]
] | |
2kgnqp | what exactly is "microfiber" and why is it the only thing i can use to clean my glasses without smudging? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2kgnqp/eli5_what_exactly_is_microfiber_and_why_is_it_the/ | {
"a_id": [
"cll4qc8",
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"cllrmxv"
],
"score": [
283,
65,
5,
28,
11,
2,
2,
2,
3
],
"text": [
"Extremely thin fibers of polyester, polypropylene, or polyamide. ... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[
"http://www.ultramicrofibers.com/whatis",
"http://www.google.com/patents/US6737004"
]
] | ||
1a32hz | how does it make sense that 2% reduced fat milk has 37% less fat than whole milk? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1a32hz/eli5_how_does_it_make_sense_that_2_reduced_fat/ | {
"a_id": [
"c8tmu7o",
"c8tmvo1",
"c8tmvyv",
"c8tu7a7"
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"score": [
19,
15,
8,
2
],
"text": [
"Whole milk is not 100% fat.",
"The 2% refers to the percentage of the milk which is fat, not the percentage by which it's been reduced. Whole milk is about 4% fat.",
"\"W... | [] | [] | [
[],
[],
[],
[
"http://en.wikipedia.org/wiki/Fat_content_of_milk"
]
] | ||
a2jyt7 | how to describe the 1 to 10 pain rating scale | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a2jyt7/eli5_how_to_describe_the_1_to_10_pain_rating_scale/ | {
"a_id": [
"eaz2w49",
"eaz3dx7"
],
"score": [
3,
3
],
"text": [
"The best way I’ve seen this explained — and this is also _hilarious_ — is [this comic from website Hyperbole and a Half](_URL_0_) \n\nIt’s always subjective, but it’s used as an indicator of pain in relation to other things.... | [] | [] | [
[
"http://hyperboleandahalf.blogspot.com/2010/02/boyfriend-doesnt-have-ebola-probably.html?m=1"
],
[]
] | ||
1szqm1 | why is a mac and a pc able to play together online while a playstation and xbox cannot? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1szqm1/eli5_why_is_a_mac_and_a_pc_able_to_play_together/ | {
"a_id": [
"ce2vpqa",
"ce2w0jd"
],
"score": [
5,
2
],
"text": [
"Because Microsoft and Sony don't want them too.",
"Computer games usually connect to the company who made the game's servers to play. This means everyone who is on the game on a computer is at the same place.\n\nFor con... | [] | [] | [
[],
[]
] | ||
206he7 | how do plane transponders work? can someone simply just turn them off without atc knowing? | Shouldn't there be some sort of fail safe for this type of thing? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/206he7/eli5_how_do_plane_transponders_work_can_someone/ | {
"a_id": [
"cg080mb"
],
"score": [
2
],
"text": [
"A transponder is a device that replies with a \"ping\" when it's hit by a radar wave. It's used to make the plane show up better on ATC radar (and send back additional information like altitude).\n\nYou can turn it off, but ATC can still see the ... | [] | [] | [
[]
] | |
71xzqy | how some people who smoke 2 packs a day have the lung film of a person who has never smoked? | I searched in before making this post, but if it is a repost I apologise. All I found were mostly about lung cancer, but I'm more interested in this technical part.
Like there should be signs of smoking, but nothing appears -.-
**Edit:** It appears to be most of the users are focused on cancer part, while I'm only as... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/71xzqy/eli5_how_some_people_who_smoke_2_packs_a_day_have/ | {
"a_id": [
"dned8n9"
],
"score": [
6
],
"text": [
"Things that are said to cause cancer, with the exception of stuff that gives off radiation, does not actually cause cancer directly. Instead what it does is increase your risk of developing cancer. \n\nCancer is a mutation in the cells that cause... | [] | [] | [
[]
] | |
55fklt | the difference between parliamentary republics, presidential republics, federalist republics, and presidential democracies? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/55fklt/eli5_the_difference_between_parliamentary/ | {
"a_id": [
"d8a74e7",
"d8a7b8f"
],
"score": [
14,
2
],
"text": [
"**Parliamentary Republic**: The executive branch gets it's power directly from the legislature(or parliament). Normally the party that wins the most seats gets the prime minister but sometimes there are coalitions governme... | [] | [] | [
[],
[]
] | ||
3yux7p | medieval army ranks | As someone who reads a lot of fantasy, I'm always scratching my head at this stuff.
I understand the peerage: baron (baroness), viscount (viscountess), earl (countess), marquis (marchioness), duke (duchess), prince (princess), king (queen) in acending order...
But what about military ranks? It gets really confusing. ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3yux7p/eli5_medieval_army_ranks/ | {
"a_id": [
"cygu10l"
],
"score": [
2
],
"text": [
"Well, the key word here is \"fantasy\"... not all of these titles are real.\n\nA Marshal would be the equivalent of a high level general in a modern day army.\n\nSergeants, Lieutenants and Captains are all more or less the same as they are today.... | [] | [] | [
[]
] | |
6xawdz | employee stock purchase program | My company offers a 15% discount on stock that can be purchased twice per year. Beyond that, I have no idea how it works.
(Yes, I'm aware this was asked 4 years ago, but those answers are not write down to my 5 year old level.) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6xawdz/eli5_employee_stock_purchase_program/ | {
"a_id": [
"dmeid1k",
"dmeid1k",
"dmeid1k",
"dmev0nj"
],
"score": [
2,
2,
2,
2
],
"text": [
"Your employer, as an employee benefit, lets you purchase shares of the company at a 15% discount twice a year. Ideally, it incentives you to work harder, and it's cheaper for them.... | [] | [] | [
[],
[],
[],
[]
] | |
304sk3 | humans have made great advances in health, medicine, and nutrition which have pushed the average life expectancy to 70+ years in many places. why haven't we been able to do the same to our dogs and cats? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/304sk3/eli5_humans_have_made_great_advances_in_health/ | {
"a_id": [
"cpp39gp",
"cpp3f7p",
"cpp5rib"
],
"score": [
2,
2,
5
],
"text": [
"In a lot of ways, average life expectancy is a measure of infant mortality. In regions with poor health, medicine, food, life expectancy skews way lower because *many* people die in infancy. \n\nSo it c... | [] | [] | [
[],
[],
[]
] | ||
1zxumm | how are riders able to control horses so precisely with barley any movements? | ^^ I spell like I'm five as well.. ^^
The extent of my knowledge of horse riding is pretty much what is seen in the movies. Assuming that's accurate, how the hell do riders so accurately control a horse with (what seems to be) hardly any actions/movements? Starting and stopping, speed, moving any direction (was watc... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1zxumm/eli5_how_are_riders_able_to_control_horses_so/ | {
"a_id": [
"cfxzgc3"
],
"score": [
2
],
"text": [
"If I want a horse to turn slowly to the right. I squeeze it lightly with my right leg. To turn slowly left, I squeeze it lightly with my left leg. The horse learns this through training. \n\nTo make a horse turn fast/sharp right. I would squeez... | [] | [] | [
[]
] | |
aq3pbq | difference between leverage and margin? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/aq3pbq/eli5_difference_between_leverage_and_margin/ | {
"a_id": [
"egdcz74",
"egdfo1j"
],
"score": [
2,
2
],
"text": [
"Margin trading allows you to create leverage. Margin is typically an amount that you as the trader need to 'deposit' when taking a bet on a financial instrument (typically shares/currencies/commodities) through a risk provid... | [] | [] | [
[],
[]
] | ||
4mbk7s | why does club soda remove stains better than water? | Why does club soda remove stains better than water?
Does it generally clean better than water? If so, how?
I wonder if it could be possible to market a carbonated water shower to the wealthy... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4mbk7s/eli5_why_does_club_soda_remove_stains_better_than/ | {
"a_id": [
"d3u68yn",
"d3u7hwq"
],
"score": [
43,
2
],
"text": [
"It doesn't. Carbonated water does not remove stains any better than regular water. This is just an [old wives tail](_URL_0_).\n\nThe common reasoning, if any is given, for it is because when carbon dioxide is dissolved in w... | [] | [] | [
[
"http://4.bp.blogspot.com/_YTnWwtgfB78/SohAzFS9vCI/AAAAAAAAAmM/al0JTnWoapk/s400/A.jpg"
],
[]
] | |
266s57 | when we bite the inside of our lip, why does it taste like metal? | Edit: After it stops bleeding
Edit 2: Guys, there's no blood in my mouth. I'm talking like, a day after it's happened. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/266s57/eli5when_we_bite_the_inside_of_our_lip_why_does/ | {
"a_id": [
"cho77p2",
"cho8cl8"
],
"score": [
5,
2
],
"text": [
"Iron... its in your blood, and your tongue is awesome.",
"You are tasting blood. Pretty metal."
]
} | [] | [] | [
[],
[]
] | |
8zqj9m | what is the science behind ‘the centre of the universe’ located in tulsa? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8zqj9m/eli5_what_is_the_science_behind_the_centre_of_the/ | {
"a_id": [
"e2kojwp",
"e2ky4xn",
"e2kzxx7"
],
"score": [
9,
3,
4
],
"text": [
"Not much to it, and the name is ridiculous.\n\nIt's a spot surrounded by a circle of concrete (benches), and as a result, any sound you make there will echo back to you quite loudly.",
"Arguably, ev... | [] | [] | [
[],
[],
[]
] | ||
5xk6iv | how come many people think cilantro has no taste or tastes good, but a lot of people think cilantro has an extremely strong and disgusting taste? | My brother and my father love cilantro, but my mother and I can't handle the taste at all without almost throwing up. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5xk6iv/eli5_how_come_many_people_think_cilantro_has_no/ | {
"a_id": [
"deiqw57"
],
"score": [
10
],
"text": [
"There's actually a genetic mutation that causes some people to taste cilantro as soapy.\n\n_URL_0_"
]
} | [] | [] | [
[
"https://flavourjournal.biomedcentral.com/articles/10.1186/2044-7248-1-22"
]
] | |
a18drg | what is "mansplaining" and how do you identify it? | I've heard this term used before and I'm not exactly sure what it means or what it consists of. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a18drg/eli5_what_is_mansplaining_and_how_do_you_identify/ | {
"a_id": [
"eank3tw",
"eank7z4",
"eank82v",
"eankgl8",
"eanlbto",
"eao034b"
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"score": [
4,
10,
2,
15,
10,
3
],
"text": [
"It's a man explaining a subject to a woman when that subject is something the woman is an expert on and the man is not.\n\nThe term h... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | |
dkjbfn | how does 4k video transfer work | This kept me awake all morning. If 4k video is approximately 8 million pixels and each pixel is approx 3 bytes of data, them that is about 24MB of data. If most movies are 30fps, them that is about 720MB per second bandwidth needed to transfer just the video. But somehow a 4k movie is transferred over Netflix at less t... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dkjbfn/eli5_how_does_4k_video_transfer_work/ | {
"a_id": [
"f4g2n14",
"f4g33p7",
"f4g49tm",
"f4g9uvg",
"f4gdry2",
"f4ggi9h"
],
"score": [
400,
9,
31,
5,
2,
2
],
"text": [
"If you were transferring 30 unrelated images per second, that would be the case. But videos are not a bunch of unrelated pictures. Vi... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | |
942a5r | where do excess food go in a buffet? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/942a5r/eli5_where_do_excess_food_go_in_a_buffet/ | {
"a_id": [
"e3hpivx",
"e3hpj2c",
"e3hpm9x",
"e3hposk",
"e3htelq",
"e3hu1kl"
],
"score": [
13,
2,
5,
3,
2,
9
],
"text": [
"It gets reused for the next day. Vegetables become soup for example. Or it just gets thrown away.",
"The trash? I’m not sure I’m un... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | ||
bhnv0h | why and how do we ‘get hot under the collar’ when we are nervous or angry? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bhnv0h/eli5_why_and_how_do_we_get_hot_under_the_collar/ | {
"a_id": [
"elubov1"
],
"score": [
4
],
"text": [
"Anger and nervousness are closely related to fear in the emotional spectrum. Fear usually triggers the fight-or-flight response which includes reactions such as increased heart rate, dilation of certain blood vessels, and increased blood flow. Si... | [] | [] | [
[]
] | ||
2sosuq | why is 93 grade gas more beneficial than 87 grade gas? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2sosuq/eli5_why_is_93_grade_gas_more_beneficial_than_87/ | {
"a_id": [
"cnrhvns",
"cnri158"
],
"score": [
4,
5
],
"text": [
"Its not more beneficial, generally speaking. You should use the fuel that your car was designed for. Premium gas can be a requirement for cars with more horsepower. Higher compression or turbocharged engines usually. The hig... | [] | [] | [
[],
[]
] | ||
1ljre7 | how can animals like bees "smell your fear"? | I've always heard people say not to panic when bees are around because they can "smell your fear." Is this true and if so, how can they smell your fear? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ljre7/eli5_how_can_animals_like_bees_smell_your_fear/ | {
"a_id": [
"cbzxb5k",
"cbzy330",
"cbzyw85"
],
"score": [
17,
7,
8
],
"text": [
"It's a saying. Some animals pick up on physical cues of meekness and, alternately, react to aggressive gestures too.\n\nSimilarly if you swat at a bee or let yourself get taken up in fear and start jum... | [] | [] | [
[],
[],
[]
] | |
6td4xu | if pressure and heat are limiting factors in supersonic flight, why can't they just fly higher, in thinner air to reduce pressure, heat and drag? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6td4xu/eli5_if_pressure_and_heat_are_limiting_factors_in/ | {
"a_id": [
"dljqvsd"
],
"score": [
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"text": [
" > And if the air is thick enough to be a problem for the airframe, shouldn't it therefore be sufficient for the engines?\n\nYou answered you own question. Moving to thinner air that doesn't impact the airframe as much impacts engine performance,... | [] | [] | [
[]
] | ||
4p9uw4 | why does the air from a fan come out cold? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4p9uw4/eli5_why_does_the_air_from_a_fan_come_out_cold/ | {
"a_id": [
"d4j6tuu",
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11,
5,
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"text": [
"The air isn't colder, it only feels cold because it move across your skin - causing enough of a pressure drop to have some moisture evaporate - which takes energy with it making your skin slightly cool... | [] | [] | [
[],
[],
[]
] | ||
3uf8ke | how do things like creams, liquids, and lotions easily soothe and heal you by just touching your skin? | magic mosquito cream is wierd | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3uf8ke/eli5_how_do_things_like_creams_liquids_and/ | {
"a_id": [
"cxedi98"
],
"score": [
18
],
"text": [
"Your skin isn't solid, on the smaller scales. Its actually a lot like a structure made of [bricks and mortar](_URL_0_). Certain chemicals and methods can use the tiny fissures to allow compounds to reach your dermis. That part of your skin can m... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Epidermis#/media/File:Epidermis-delimited.JPG"
]
] | |
590heq | [physics] how does the rotation of the earth affect a person walking on the surface of it's equator? | The Earth rotates from West to East. Assume I'm walking along the Equator from West to East direction on the surface of Earth. Ignore the tilt in Earth's axis. Will I have to spend more energy or time (in theory, no matter how small) to reach from point A to B walking from West to East (same direction as rotation of Ea... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/590heq/eli5_physics_how_does_the_rotation_of_the_earth/ | {
"a_id": [
"d94o831",
"d94r32h"
],
"score": [
5,
2
],
"text": [
"It doesn't. The ground, the air, etc. is also moving alongside with you with the same radial velocity. In other words, there is no difference between inertial (non-accelerating) reference frames.\n\nIf you're in a train movi... | [] | [] | [
[],
[]
] | |
18xo8t | proof by induction and strong induction. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/18xo8t/eli5_proof_by_induction_and_strong_induction/ | {
"a_id": [
"c8ixeh3",
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"text": [
"Proof by induction is proving something using the properties of the set of Natural numbers, namely the property that the set is not empty, and that if x is in the set, then x+1 is also in the set. \n\nYou have to show two th... | [] | [] | [
[],
[]
] | ||
1lusme | how anyone is making any money off the upcoming boxing match when mayweather is getting paid $41.5 million | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1lusme/eli5_how_anyone_is_making_any_money_off_the/ | {
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"text": [
"Presumably they are getting much more than that from pay per view rights, etc. ",
"That $41.5 million is likely distributed among Mayweather's support sta... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
2shv7y | how do you get a perfect credit score? do you start with a perfect score, or do you work your way up? | I'm wondering if it's anything similar to the school system where you would start with an A+ and maintain your grade. Do you start with perfect credit and maintain your credit score, or do you start at zero and earn your score by paying back your debt?
Thanks everyone! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2shv7y/eli5_how_do_you_get_a_perfect_credit_score_do_you/ | {
"a_id": [
"cnplp9h",
"cnpmb6s"
],
"score": [
2,
2
],
"text": [
"Having a long credit history is a significant part of the score, but nowhere close to all of it. So you do have to work your way up, but the score you're working your way up from is still fairly high.",
"You start with a... | [] | [] | [
[],
[]
] | |
3vhaus | how does samsung pay work without nfc? | They claim that it works in "more stores than any other mobile payment service" and is accepted "almost anywhere you can swipe or tap your credit card". So that doesn't make any sense, very few stores have NFC payment, and that is required for Apple Pay, so how does Samsung Pay not use NFC???
| explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3vhaus/eli5_how_does_samsung_pay_work_without_nfc/ | {
"a_id": [
"cxnkbzn"
],
"score": [
3
],
"text": [
"It's called Magnetic Secure Transmission. Samsung bought the technology from a company called LoopPay. When a credit card is swiped, the terminal reads information from a magnetic stripe on the back of the card. MST sends out a signal with the sa... | [] | [] | [
[]
] | |
2qxd11 | how do boxers train not to be knocked out? | I have a few theories
1. A natural physical/physiological resistance
2. Come back from the brink of being knocked out
3. Being KO'd frequently builds up resistance | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2qxd11/eli5how_do_boxers_train_not_to_be_knocked_out/ | {
"a_id": [
"cnadijn",
"cnadmht",
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"score": [
3,
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3
],
"text": [
"none of the above you mentioned, while resistants varies from person to person as whats called \"glass jaw\" the biggest thing to geting knocked out is right hit in the right place, knocking out happens... | [] | [] | [
[],
[],
[]
] | |
4561d0 | how do boomerangs work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4561d0/eli5how_do_boomerangs_work/ | {
"a_id": [
"czvg9vv",
"czvgcvq",
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"czvu1d3",
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"c... | [] | [] | [
[],
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"https://www.youtube.com/watch?v=aFO4PBolwFg"
],
[],
[],
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"https://en.wikipedia.org/wiki/Precession#Torque-induced",
"http://hyperphysics.phy-astr.gsu.edu/hbase/images/brng.gif"
],
[],
[
"http://www.stuffyoushouldknow.com/podcasts/boomerangs-magic-sticks-of-physics/"
],
[]... | ||
3q43pc | why do youtube comments' dislike button exist? what does it do? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3q43pc/eli5_why_do_youtube_comments_dislike_button_exist/ | {
"a_id": [
"cwbx4t3"
],
"score": [
3
],
"text": [
"It does literally nothing. In fact, if you dislike a comment then hit f5 and it won't even show that you hit the dislike button."
]
} | [] | [] | [
[]
] | ||
3fjvhh | when it's announced that some has died "peacefully" in their sleep....is it actually peaceful? | I was reading about Rowdy Roddy Piper's death and the article mentioned that he passed away peacefully in his sleep. The cause of death was cardiac arrest. Surely that has to: a) hurt and b) wake him up. Or am I wrong? Even if someone is old and dies of natural causes, surely it can't be as simple as going to bed and n... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3fjvhh/eli5_when_its_announced_that_some_has_died/ | {
"a_id": [
"ctpa09q",
"ctpctjd",
"ctpe0ut"
],
"score": [
8,
2,
2
],
"text": [
"A) Cardiac arrest can hurt, but it does not always hurt. Sometimes your heart simply stops. There is an entire phenomena called a silent heart attack were you have no pain and few symptoms. \n\nB) Nope.... | [] | [] | [
[],
[],
[]
] | |
2zj4cr | why is it pleasurable to stroke something soft? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2zj4cr/eli5why_is_it_pleasurable_to_stroke_something_soft/ | {
"a_id": [
"cpjepfm"
],
"score": [
16
],
"text": [
"I know with petting dogs and cats, your blood pressure decreases. As for why this happens, call a scientist."
]
} | [] | [] | [
[]
] | ||
9snomu | how do we get stitches when we exercise sometimes... its a like a muscle tightness but not exactly | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9snomu/eli5_how_do_we_get_stitches_when_we_exercise/ | {
"a_id": [
"e8q3war"
],
"score": [
3
],
"text": [
"I believe it is a muscle tightness. Coming from the side abdominal muscles. (don't know the real name) If you warm those up properly before hand you should be able to avoid it."
]
} | [] | [] | [
[]
] | ||
3is45k | what does it mean for canadians now that we are not going to be part of the tpp? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3is45k/eli5_what_does_it_mean_for_canadians_now_that_we/ | {
"a_id": [
"cujjamo"
],
"score": [
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"text": [
"While I don't have a complete answer (mostly because I'm not Canadian), I think there's two interesting parts to the TPP and its subsequent TPPA (Trans-Pacific Partnership Agreement) \n\n\nIirc, it gives corporations the ability to seek legal act... | [] | [] | [
[
"http://www.theage.com.au/comment/trans-pacific-partnership-agreement-is-a-stalking-horse-for-corporate-feudalism-20150731-gip36p.html"
]
] | ||
253r4j | supersonic flight (x-post from /r/askscience) | I tried searching these questions on Google, but I always get overly technical and detailed answers. If anyone could answer any or all of them as simply as possible or point me to an online resource, that would be awesome
1) What exactly are normal and oblique shocks and how are they formed?
2) What causes a sonic bo... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/253r4j/eli5_supersonic_flight_xpost_from_raskscience/ | {
"a_id": [
"chdhpg7"
],
"score": [
3
],
"text": [
"1) cannot explain sry :(\n\n2) The sonic boom is the shockwave itself as it hits your ear the vapor cone is formed due to a low pressure zone right behind the shockwave, the moisture in the air condenses because the temperatur of the air drops.\n... | [] | [] | [
[]
] | |
2r1jas | why am i able to tilt my head back and pour a drink down my mouth without it immediately traveling down into my body? shouldn't it automatically slide down my esophagus? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2r1jas/eli5_why_am_i_able_to_tilt_my_head_back_and_pour/ | {
"a_id": [
"cnblbif"
],
"score": [
2
],
"text": [
"You have a set of sphincter muscles in your throat which manually pushes food down, this is what allows you to eat and drink when upside down, or in a zero gravity environment, It's also why you have to swallow food, instead of letting it slide d... | [] | [] | [
[]
] | ||
20b9sf | why are the the interest rate and price (of bonds) inversely related? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/20b9sf/eli5_why_are_the_the_interest_rate_and_price_of/ | {
"a_id": [
"cg1jhp8"
],
"score": [
4
],
"text": [
"A bond costs $1000 and pays 5% of that $1000 Par Value\n\nNow say the interests rates rise, and new bonds pay 6% and also cost $1000 par value.\n\nBut those 5% bonds still exist, if you want me to buy your 5% bond, i'm not going to pay $1000 for ... | [] | [] | [
[]
] | ||
307nkq | do most countries have states/provinces like north america, or are they just a solid, undivided, country? | The only time I ever see countries broken up with states are maps of North America. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/307nkq/eli5_do_most_countries_have_statesprovinces_like/ | {
"a_id": [
"cppv39b",
"cppv5du",
"cppvh6q"
],
"score": [
2,
4,
3
],
"text": [
"Lots of countries (most?) Have provinces. \n\nHowever, they often have less differences or less independent laws than the USA. \n\nGermany is a good example. ",
"Most, if not all, countries are divi... | [] | [] | [
[],
[],
[]
] | |
5rp5dr | why do mobile devices such as the 3ds and cell phones limit the control of how low the brightness of a screen can get? | I install custom firmware on my 3DS almost solely to be able to turn the brightness down below the "minimum" because at night in the dark it's too bright for my eyes, and to get an iPhone darker you have to jump through hoops. I understand not wanting to let the user make the screen black, but why not allow the user mo... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5rp5dr/eli5_why_do_mobile_devices_such_as_the_3ds_and/ | {
"a_id": [
"dd96dkf",
"dd9e4hf"
],
"score": [
2,
4
],
"text": [
"I would assume there is some hardware limitation done on purpose (hardware specs, maybe?). It would be possibly to fake off lower levels by darkening pixels, but that's more hacky than anything, and likely inefficient (you c... | [] | [] | [
[],
[]
] | |
d98oqg | what is a rogue planet? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/d98oqg/eli5_what_is_a_rogue_planet/ | {
"a_id": [
"f1fcuor",
"f1fgpwy",
"f1fubh4"
],
"score": [
3,
2,
6
],
"text": [
"It's a celestial object that looks a lot like a planet, in terms of its size and shape, but does not orbit a star.",
"It's a planet that's been ejected from its solar system and no longer orbits a s... | [] | [] | [
[],
[],
[]
] | ||
1kpa1b | how can a public university ban smoking everywhere on campus? | They're still outside the reason of their power to do this, regardless of what they're technically able to do or not. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1kpa1b/eli5_how_can_a_public_university_ban_smoking/ | {
"a_id": [
"cbr83r4",
"cbr8440",
"cbr866o",
"cbr8cd5"
],
"score": [
4,
3,
2,
3
],
"text": [
"It's not illegal for you to smoke there, but the school is still allowed to enforce its own policies via proper disciplinary actions (just like they can if you break any school rul... | [] | [] | [
[],
[],
[],
[]
] | |
62553g | why does sound seem distant/disembodied when over-tired? | For example I tend to get 3-4 hours sleep a night and if I'm overly tired the noise around me seems "off"
Or I find I'm talking to someone and it's all automatic and I have no idea what will come out of my mouth next. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/62553g/eli5_why_does_sound_seem_distantdisembodied_when/ | {
"a_id": [
"dfjvdky"
],
"score": [
2
],
"text": [
"It's similar to how real world sounds leak into dreams, you can always hear everything around you but when you're very tired/sleeping your brain sometimes chooses to just ignore it, partially or completely."
]
} | [] | [] | [
[]
] | |
2tuvz5 | if hydrogen gas is extracted from water to replace fossil fuels. will the planet eventually dry out? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2tuvz5/eli5_if_hydrogen_gas_is_extracted_from_water_to/ | {
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"score": [
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"text": [
"No. When you use the Hydrogen for energy you burn it. Burnt hydrogen is water.",
"No.... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[]
] | ||
6sqmr2 | why do humans have so many diseases/disorders/illnesses compared to other species? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6sqmr2/eli5_why_do_humans_have_so_many/ | {
"a_id": [
"dlet57i",
"dleupeq",
"dleuvk1"
],
"score": [
6,
3,
3
],
"text": [
"I don't think we do, we just keep track of them much more carefully. If we cared as much about bunny health as we do about human health, and if bunnies could tell us about when they felt sick, I'm sure ... | [] | [] | [
[],
[],
[]
] | ||
4qpnr7 | why does it hurt when we don't breathe? | Genuinely curious. I understand why we have to breathe, but why does it hurt when we inhale/exhale too much, and/or hold our breath? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4qpnr7/eli5_why_does_it_hurt_when_we_dont_breathe/ | {
"a_id": [
"d4uwpsi"
],
"score": [
21
],
"text": [
"When you hold your breath, there's a buildup of CO2 in your lungs, which causes the pain. This pain tells you that you should exhale and breathe in oxygen again.\n\nThis is also why carbon monoxide is so dangerous, since it doesn't cause the pai... | [] | [] | [
[]
] | |
2ulu7l | why are tvs being produced capable of displaying 120, 240hz? aren't most programs broadcast at 24fps? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ulu7l/eli5_why_are_tvs_being_produced_capable_of/ | {
"a_id": [
"co9k1ne",
"co9k63h",
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"score": [
4,
11,
3
],
"text": [
"TV shows are broadcast at 60 fields per second (60FPS for progressive modes & 30FPS for interlaced modes). Film is traditionally recorded at 24FPS.\n\nThere's no way to squeeze 24FPS into 60 frames,... | [] | [] | [
[],
[],
[]
] | ||
2y4k95 | how come a such large portion of the us population doesn't own a passport? how do they travel abroad without an official identification document? | I was reading about the ID voting laws from several months ago, and I don't understand how this works.
In Switzerland, for example, you have a [passport](_URL_0_) and an [identity card](_URL_1_). How does the US system work?
Edit: Yeah, I just saw the grammar fuckup in the title. Sorry about that. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2y4k95/eli5how_come_a_such_large_portion_of_the_us/ | {
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"score": [
39,
15,
7,
4,
5,
5,
5,
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2
],
"text": [
"They just don't travel abroad. Not that many people travel abroad ev... | [] | [
"http://en.wikipedia.org/wiki/Swiss_passport#mediaviewer/File:Swiss_passport.jpg",
"https://www.google.co.uk/search?q=swiss+id+card&espv=2&biw=1274&bih=638&site=webhp&source=lnms&tbm=isch&sa=X&ei=84r5VKy_KITY7AaZ3YGQBA&ved=0CAYQ_AUoAQ#imgrc=Z_ZzLItIrm0w_M%253A%3Bhifm7LURZWaxvM%... | [
[],
[],
[],
[],
[],
[],
[],
[
"http://mapfrappe.com/?show=27719"
],
[]
] | |
619man | found this auditory illusion on youtube how does it work? | _URL_0_ | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/619man/eli5_found_this_auditory_illusion_on_youtube_how/ | {
"a_id": [
"dfcrq6b",
"dfcx81n"
],
"score": [
3,
3
],
"text": [
"Sound can be categorized by frequency (distance between its waves, measured in Hz). This number in Hz tells your ear what pitch the sound makes. Each key on a piano also has a distinct Hz value, and what that music program i... | [] | [
"https://www.youtube.com/watch?v=ZY6h3pKqYI0"
] | [
[],
[]
] | |
2t5m65 | if the average worker today gets the equivalent of 40 hours of 1950's work done in 11 hours, why can't everyone get by on 11-hour work-weeks? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2t5m65/eli5_if_the_average_worker_today_gets_the/ | {
"a_id": [
"cnvxigo",
"cnvxxqd",
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"cnw9i81"
],
"score": [
18,
31,
49,
2,
28,
4,
2,
3,
2
],
"text": [
"Because our quality of life is much much higher. Everyone now has... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | ||
6wexsc | when an insect or similar gets stuck in a fast moving vehicle, do they just have to start a new life or would they try and find where they were previously? | Like would be like shit where the fuck am I? Or just kinda get on with life? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6wexsc/eli5_when_an_insect_or_similar_gets_stuck_in_a/ | {
"a_id": [
"dm7i0oc",
"dm7ls2g"
],
"score": [
22,
8
],
"text": [
"Insects do not know where they are to begin with, so it doesn't bother them. Insects don't really *know* anything. They simply don't have a complex enough nervous system for that sort of thing.",
"I always think about t... | [] | [] | [
[],
[]
] | |
3o47z9 | what would the everyday and longterm consequences of gravity on earth increasing to 10 m/s/s be? | I know that gravity is ~9.81m/s^2, but I was curious how noticeable and to what extent it would affect people on Earth with a theoretical increase. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3o47z9/eli5_what_would_the_everyday_and_longterm/ | {
"a_id": [
"cvtucju",
"cvtujoz",
"cvtv1wo"
],
"score": [
17,
5,
3
],
"text": [
"It wouldn't affect PEOPLE that much more, but it would wreak havoc on any number of biological systems. \n\nAn average person weighs about 80kg (170lbs). With the roughly 2% increase you're talking abo... | [] | [] | [
[],
[],
[
"https://what-if.xkcd.com/67/"
]
] | |
86zdn7 | this new "ray tracing" graphics technology nvidia is all about | Wondering what this is, everyone seems to think it's pretty revolutionary | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/86zdn7/eli5_this_new_ray_tracing_graphics_technology/ | {
"a_id": [
"dw90qww",
"dw9qert"
],
"score": [
14,
2
],
"text": [
"Ray tracing itself isn’t new. It has been used in pre-rendered 3D graphics like animated movies for decades. It’s basically a method to simulate realistic lightning and reflections in a 3D scene by actually simulating how l... | [] | [] | [
[],
[]
] |
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