q_id stringlengths 5 6 | title stringlengths 3 301 | selftext stringlengths 0 39.2k | document stringclasses 1
value | subreddit stringclasses 3
values | url stringlengths 4 132 | answers dict | title_urls list | selftext_urls list | answers_urls list |
|---|---|---|---|---|---|---|---|---|---|
26v2kc | What does it mean when one has a 'teleological view of history'? | I have seen this term being used a few times on this subreddit and been referred to in a quite negative manner.
What is a teleological view of history and what is wrong with this line of thinking about history? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/26v2kc/what_does_it_mean_when_one_has_a_teleological/ | {
"a_id": [
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"text": [
"To build a bit on /u/Sherbert42's answer: teleology (in a historiographical sense) is a form of historical enquiry which attempts to construct a narrative view of history as a progressive march in one direction; towards an ... | [] | [] | [
[
"http://cdn.preterhuman.net/texts/literature/general/Butterfield%20\\(Herbert\\)%20The%20Whig%20Interpretation%20of%20History.pdf"
],
[]
] | |
30ovf4 | if my bathroom scale shows different numbers around the house, which number should i trust? | **Didn't know if this was the right subreddit for my question, but here goes:**
I have a digital bathroom scale, and I know it works properly. Recently I moved into a new flat, and it's an old house, so all the floors are a bit wonky. I have no idea where it's even and where it's not.
**It shows numbers all t... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/30ovf4/eli5_if_my_bathroom_scale_shows_different_numbers/ | {
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"text": [
"Whichever is the correct ... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
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34hb4y | how family guy uses brand names so frequently, but no other cartoon can. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/34hb4y/eli5_how_family_guy_uses_brand_names_so/ | {
"a_id": [
"cquornj",
"cquouvk"
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"score": [
25,
6
],
"text": [
"Any TV show can mention brand names.\n\nThey usually don't, because:\n\n* it makes sit harder to place ads for that product and its competitors\n* it can date the show and make it less desirable in syndication\n* viewers of... | [] | [] | [
[],
[]
] | ||
4bsx5d | if passwords for websites are suppose to be encrypted or only known to the user, how come some websites can tell me i have entered a password i changed years ago? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4bsx5d/eli5_if_passwords_for_websites_are_suppose_to_be/ | {
"a_id": [
"d1c8n1r",
"d1c9w0h"
],
"score": [
3,
2
],
"text": [
"They don't know the password, but they do know when you have set it. You tell them the password when you set it, but they don't remember the password, only its \"checksum\", or \"salted hash\", and forget the original passwo... | [] | [] | [
[],
[]
] | ||
1qn8z4 | if i kept switching out older body parts of mine with healthier ones as i grew up, could i live forever? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1qn8z4/eli5_if_i_kept_switching_out_older_body_parts_of/ | {
"a_id": [
"cdehdi4"
],
"score": [
8
],
"text": [
"Your brain cells will eventually age and die. If you replace those you can technically live forever, but will you still really be yourself?\n\nThis concept has been debated since the Ancient Greeks _URL_0_"
]
} | [] | [] | [
[
"http://en.wikipedia.org/wiki/Ship_of_Theseus"
]
] | ||
17anc6 | the observer effect, the measurement problem and the 'conscious observer' of quantum mechanics? | I have little understanding of physics. Can someone explain exactly what these phenomena are to me? Does this mean consciousness needs to exist before anything can happen? Thanks! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/17anc6/eli5_the_observer_effect_the_measurement_problem/ | {
"a_id": [
"c83s712"
],
"score": [
11
],
"text": [
"The \"observer effect\" and \"measurement\" problems are commonly misrepresented on the internet by people who are obsessed with new-age pseudoscience. It has nothing to do with conciousness or anything magical. To put it in ELI5 terms:\n\nImagi... | [] | [] | [
[]
] | |
3awry9 | why are dj's treated like artists, with a stage name and everything, and their own 'shows' people get tickets to, when they just play other people's copyrighted music? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3awry9/eli5_why_are_djs_treated_like_artists_with_a/ | {
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"csgp0pt",
"csgqppj",
"csgqz9r",
"csgr3ar"
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"score": [
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2,
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],
"text": [
"Their art isn't in the music itself, but in the selection, order, and pacing of the music. They have to pick the right songs to fit the mood, then put them in the right order, at... | [] | [] | [
[],
[],
[
"https://www.youtube.com/watch?v=lTx3G6h2xyA"
],
[]
] | ||
5zc08e | what exactly was dialup and why couldn't you use the phone at the same time? | I just turned 20, and I vaguely remember going to the computer and using the dialup. Whoever's house I was in would tell me to take it off when they needed the phone. What was going on? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5zc08e/eli5_what_exactly_was_dialup_and_why_couldnt_you/ | {
"a_id": [
"dewvl90"
],
"score": [
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],
"text": [
"The computer sent data through the phone line. Since the phone line transmits sound data - the computer was literally generating sounds that could be interpreted as data - high and low pitched squeals that represent the data you are sending or r... | [] | [] | [
[]
] | |
7ak01b | Why don't modern cellphones create interferences near speakers any more? | 15 years ago, when my cellphone was near speakers, I'd know a few seconds before that someone was going to call, because the cellphone getting in touch/syncing with the nearest GSM relay would create interferences and the speakers would go BZZZ BZZZZZ BZBZBZ or something like that.
Now, why don't modern phones do th... | askscience | https://www.reddit.com/r/askscience/comments/7ak01b/why_dont_modern_cellphones_create_interferences/ | {
"a_id": [
"dpb4wn9",
"dpbkqcq"
],
"score": [
192,
4
],
"text": [
"So, for our friends that don't know, the buzzing is a signal in the AM range.\n\nThe effect is well known since the rollout of GSM in Europe begun (see Stephen Temple's _\"Inside the Mobile Revolution_\", Ch. 22). What's h... | [] | [] | [
[
"https://m.eet.com/media/1072712/C0433-Figure1.gif",
"https://en.wikipedia.org/wiki/Code-division_multiple_access#Code-division_multiplexing_.28synchronous_CDMA.29",
"https://m.eet.com/media/1072713/C0433-Figure2.gif",
"https://web.archive.org/web/20110927212306/http://www.electronicsweekly.com/Ar... | |
2ropnt | whats going on with the statehood movement in puerto rico as of now? | Last thing I heard was that Congress gave them $2.5 million in funding to hold a referendum. Do we have any idea when the referendum will take place? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ropnt/eli5_whats_going_on_with_the_statehood_movement/ | {
"a_id": [
"cnhz64x"
],
"score": [
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"text": [
"There was a non-binding referendum is 2012, but most people see it for the sham it was.\n\nThe pro-statehood ruling party rigged it so they first asked if they people preferred the status quo, then asked the remaining people if the wanted stateho... | [] | [] | [
[]
] | |
2rt09c | How do deaf people perceive heavy bass sounds? | askscience | http://www.reddit.com/r/askscience/comments/2rt09c/how_do_deaf_people_perceive_heavy_bass_sounds/ | {
"a_id": [
"cnkblcg"
],
"score": [
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"text": [
"I'll take a shot at this. I think many people will agree they can \"feel\" low-frequency (bass) sounds in their chest when loud enough. We can perceive this vibration in our bodies with other senses, probably [somatosensation](_URL_3_) (i.e. touc... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Proprioception",
"http://europepmc.org/abstract/med/11817618",
"http://www.noiseandhealth.org/article.asp?issn=1463-1741;year=2011;volume=13;issue=50;spage=2;epage=8;aulast=Takahashi",
"http://en.wikipedia.org/wiki/Somatosensory_system",
"http://waubrafoundation.o... | ||
9l712w | Before the Augustus founded the empire, the Roman republic was plagued with civil wars. Why didn't the Parthians invade? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/9l712w/before_the_augustus_founded_the_empire_the_roman/ | {
"a_id": [
"e74of12"
],
"score": [
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],
"text": [
"They did...it's all over the sources...\n\nThe Parthians crossed the Euphrates only twice. In 51 Cicero feared a Parthian invasion into Cilicia, but it did not materialize, and the brief Parthian campaign following Crassus' defeat fizzled out qui... | [] | [] | [
[]
] | ||
b48zht | Can bacteria feel pain? | askscience | https://www.reddit.com/r/askscience/comments/b48zht/can_bacteria_feel_pain/ | {
"a_id": [
"ej67a85"
],
"score": [
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"text": [
"Not in any sense of the term that would make sense from a human perspective, for sure: by definition, single-celled organisms don't have nerve cells, and what we call \"pain\" is entirely a nervous-system response to various stimuli."
]
} | [] | [] | [
[]
] | ||
2q7wq7 | What is Bell's Inequality and how does it work? | Jim Al-Khalili mentioned it at the end of his first episode of his new series and I was trying to find out more about it but i've been completely flummoxed by the whole thing!
I was hoping that you all might be able to help me out? | askscience | http://www.reddit.com/r/askscience/comments/2q7wq7/what_is_bells_inequality_and_how_does_it_work/ | {
"a_id": [
"cn4n0bs"
],
"score": [
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"text": [
"It is a response to the famous EPR (Einstein, Podolsky and Rosen) paper written in 1935 where they described a thought experiment leading to what we today know as quantum entanglement. Or to quote them: \"spooky action at a distance\". \n\nEntang... | [] | [] | [
[]
] | |
g3oe4 | Can any experts comment on this article about the nuclear reactors in Japan please? | [This](_URL_1_) article is making the rounds at the moment and people seem to be either very impressed with it or calling it anti-science nonsense. The [author](_URL_0_) doesn't seem to be a real expert but the article is pretty optimistic so I'm kinda hoping it's plausible. | askscience | http://www.reddit.com/r/askscience/comments/g3oe4/can_any_experts_comment_on_this_article_about_the/ | {
"a_id": [
"c1kophu"
],
"score": [
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"text": [
"Seems like a fairly in-depth article. Not sure why people would call it anti-science as such, everything I read was more or less what I have read elsewhere.\n\nWhat does worry me was the section about mobile generators being brought in to provide... | [] | [
"http://web.mit.edu/oehmen/www/",
"http://theenergycollective.com/barrybrook/53461/fukushima-nuclear-accident-simple-and-accurate-explanation"
] | [
[]
] | |
46gpem | what is being done in the world of science to offset the imposing "antibiotic apocalypse?" | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/46gpem/eli5_what_is_being_done_in_the_world_of_science/ | {
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2,
50,
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"text": [
"I recently had to watch this video in my biology class and it explains how bacteria \"talk\" with each other and how we can use their \"language\" to enhance or inhibit their comm... | [] | [] | [
[
"https://www.ted.com/talks/bonnie_bassler_on_how_bacteria_communicate?language=en"
],
[
"http://www.medicalnewstoday.com/articles/287745.php"
],
[],
[
"https://www.whitehouse.gov/sites/default/files/microsites/ostp/PCAST/pcast_carb_report_sept2014.pdf",
"whitehouse.gov"
]
] | ||
134pxi | What animal has the worst common cause of death? | askscience | http://www.reddit.com/r/askscience/comments/134pxi/what_animal_has_the_worst_common_cause_of_death/ | {
"a_id": [
"c70rvek",
"c70sy2p"
],
"score": [
3,
2
],
"text": [
"Manatees getting hit by propellors and bleeding out. Usually they get hit multiple time in their life, and are killed by particularly brutal hits.",
"Elephants often lose their teeth at around 40-60 years of age and die ... | [] | [] | [
[],
[]
] | ||
3s2coq | the current global warming is very concerning, but there was global warming about 1000 years ago called the "medieval warm period" - how many other such warming periods have there been and why is the current one so different? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3s2coq/eli5_the_current_global_warming_is_very/ | {
"a_id": [
"cwtfbh8",
"cwtff0x"
],
"score": [
2,
2
],
"text": [
"The medieval warm period was not as extreme, and came on much more gradually. The current one has been sudden and steady, and we have a clear cause for it: increased greenhouse gases in the atmosphere. We've increased the at... | [] | [] | [
[],
[]
] | |
6zv9d5 | what decides whether something will release alpha, beta, or gamma radiation? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6zv9d5/what_decides_whether_something_will_release_alpha/ | {
"a_id": [
"dmyiqfm",
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"score": [
3,
3
],
"text": [
"Type of radiation is determined by the material that emits it. Gamma radiation is electomagnetic radiation, like radio waves, microwave, x-rays, gamma rays... they are typically formed when a charge (electron) is accelerated... | [] | [] | [
[],
[]
] | ||
irzg2 | What would be the effects of a normal diet that was entirely liquids? | "Normal" meaning nutritionally sound/complete. I guess what I'm really asking is: does the digestive system need to process solids in order to stay healthy?
Most of what I could find on Google was relating to temporary, all-juice diets. | askscience | http://www.reddit.com/r/askscience/comments/irzg2/what_would_be_the_effects_of_a_normal_diet_that/ | {
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10,
2,
2,
3,
2
],
"text": [
"People survive quite well on liquid diets for long periods of time. Google might turn up more information if you search for [tube feeding](_URL_0_). For peop... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Feeding_tube"
],
[],
[
"http://en.wikipedia.org/wiki/Diverticulitis"
],
[],
[]
] | |
6me75a | How do we know which way up a planet is? | With Juno approaching Jupiters red spot, I was curiously thinking about how I have always associated it being in the Southern Hemisphere of the planet. However, in space, from my understanding there is no coordinate system to define the plane in which a planet is referenced to. My question/questions are more related to... | askscience | https://www.reddit.com/r/askscience/comments/6me75a/how_do_we_know_which_way_up_a_planet_is/ | {
"a_id": [
"dk2eqm7"
],
"score": [
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],
"text": [
"All planets in the Solar System orbit in almost the same plane, and their axes of rotation are almost perpendicular to such plane. (Only exception is Uranus). So you can define East as the direction the planet is rotating, and North as 90° left o... | [] | [] | [
[
"https://www.reddit.com/r/askscience/comments/6itmue/in_earth_travel_we_use_north_south_east_and_west/"
]
] | |
12qdei | Is it true that a third of the knights in the battle of Agincourt were over 50? | If so, what are the implications for medieval life expectancy AFTER childhood? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/12qdei/is_it_true_that_a_third_of_the_knights_in_the/ | {
"a_id": [
"c6x9xov",
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"score": [
3,
8
],
"text": [
"Where did you hear this if I may ask? ",
"Well life expectancy is a very skewed statistic, because infant mortality deflates it substantially. The upper-classes could expect to live to the beginning of what we'd call \"o... | [] | [] | [
[],
[]
] | |
9vcmlj | why do fireworks look so bad on film/video, yet look good irl? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9vcmlj/eli5_why_do_fireworks_look_so_bad_on_filmvideo/ | {
"a_id": [
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"score": [
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2,
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2
],
"text": [
"Fireworks can look great on video if you have a good enough camera. Cheap cameras, like the ones in our phones, can't handle low light conditions very well and have a hard time fo... | [] | [] | [
[],
[
"https://www.youtube.com/watch?v=r6Rp-uo6HmI"
],
[
"https://youtu.be/5zxVQBnmyDA"
],
[]
] | ||
1vnkb2 | how 2 wifi routers on the same channel can interoperate without completely jamming each other's signal? | When 2 WiFi routers are in the same vicinity of each other and are set to transceive on the same channel, I realize that they effectively slow each other down as they share the bandwidth of that channel with each other.
But that's quite a feat, and one I still don't understand. How do they both transmit on the same ch... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1vnkb2/eli5_how_2_wifi_routers_on_the_same_channel_can/ | {
"a_id": [
"ceu1pvo",
"ceu51xd"
],
"score": [
3,
3
],
"text": [
"It's FM, and you know what happens to FM signals when 2 people try the repeater at the same time, with equal power. It's unreadable. Yes, the wifi points would jam each other too. \n\nThey can interoperate only because packe... | [] | [] | [
[],
[]
] | |
2i2ojt | how do you steer a gunship? or a clipper? or large sailship in general? | I understand there's a rudder; but how much use it was depended on the wind and oceanic currents; and the sails were turned to steer too, I think. I'm confused. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2i2ojt/eli5_how_do_you_steer_a_gunship_or_a_clipper_or/ | {
"a_id": [
"cky90fc",
"cky9pmz"
],
"score": [
4,
2
],
"text": [
"On most boats, the rudder is, in fact, the principle steering device.\n\nThe sails on sailing vessels generally do not \"steer\" the boat. However, they must be re-positioned when the boat changes direction or when the wind... | [] | [] | [
[],
[]
] | |
17w2jw | How definitive are the DNA results on the Richard III skeleton? | askscience | http://www.reddit.com/r/askscience/comments/17w2jw/how_definitive_are_the_dna_results_on_the_richard/ | {
"a_id": [
"c89cn2q",
"c89d30v"
],
"score": [
10,
41
],
"text": [
"[Here is a link to an article describing how they did the DNA analysis](_URL_0_) I will summarize it's points.\n\nThey were able to get a good sample of the corpse's mitochondrial DNA, which is passed without combination f... | [] | [] | [
[
"http://www.washingtonpost.com/world/richard-iii-project-dna-pioneer-leicester-university-led-the-way-on-identification/2013/02/04/6c2081ec-6ef8-11e2-ac36-3d8d9dcaa2e2_story.html"
],
[
"http://www.le.ac.uk/richardiii/science/resultsofdna.html"
]
] | ||
3mmmhf | What was the anti masonic party and what happened to them? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3mmmhf/what_was_the_anti_masonic_party_and_what_happened/ | {
"a_id": [
"cvgln73"
],
"score": [
7
],
"text": [
"They were a political party formed in the wake of public outcry over an incident where some Masons in NY state were accused of kidnapping and possibly killing at fellow Mason (named Morgan) who had published an expose on the initiations.\n\nThis ... | [] | [] | [
[]
] | ||
1y8knm | Did the US ever try to convert Filipinos to Protestantism during their colonisation of the country? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1y8knm/did_the_us_ever_try_to_convert_filipinos_to/ | {
"a_id": [
"cfibp3v"
],
"score": [
13
],
"text": [
"After the US colonized the Philippines the Catholic Church was disestablished, and was no longer the official religion. When that happened there was a large influx of Protestant missionaries of all denominations to the Philippines. Today, Protes... | [] | [] | [
[]
] | ||
4yyo7g | what's the difference b/w high quality and low quality meats? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4yyo7g/eli5_whats_the_difference_bw_high_quality_and_low/ | {
"a_id": [
"d6rfn91",
"d6rftk7"
],
"score": [
2,
2
],
"text": [
"Meat from an animal that received high-quality feed is more chemically varied, and has more flavor. This is particularly noticeable in mild-tasting meat like chicken.\n\nHigh-quality beef typically has more fat mixed through... | [] | [] | [
[],
[]
] | ||
19uudd | Why do we always put reactive materials in glass beakers/flasks/graduated cylinders etc.? | What is the reason that glass is used to store reactive/corrosive/toxic materials? | askscience | http://www.reddit.com/r/askscience/comments/19uudd/why_do_we_always_put_reactive_materials_in_glass/ | {
"a_id": [
"c8rhmaa",
"c8rhpgy"
],
"score": [
13,
2
],
"text": [
"In a nutshell, glass is very stable, and will not react easily with most compounds.\nThe class stays intact, the chemical stays the same, everyone is happy.\n\nHowever, some reagents are better kept in plastic containers su... | [] | [] | [
[],
[]
] | |
2s02s5 | Why do the continents seem to migrate north, leaving a gap between antarctica and the rest of the world? | I'm watching Frozen Planet and it occurred to me that the continents infringe on the arctic here in Canada and in northern Europe/Russia, but in the south antarctica is isolated on its own. Why are the continents pushed north on our planet? | askscience | http://www.reddit.com/r/askscience/comments/2s02s5/why_do_the_continents_seem_to_migrate_north/ | {
"a_id": [
"cnli5t7"
],
"score": [
2
],
"text": [
"It's random, mostly.\n\nPlate tectonics is driven by convection currents in the mantle under the crust. Most of the time, people only consider the major continents moving, but [the jigsaw puzzle is slightly more complicated](_URL_0_) than that. ... | [] | [] | [
[
"http://upload.wikimedia.org/wikipedia/commons/8/8a/Plates_tect2_en.svg",
"http://3.bp.blogspot.com/-eB5sX6TtRs8/UldIxYgl2wI/AAAAAAAADak/CAbc9wQ-_t8/s320/continente.jpg"
]
] | |
102oy2 | Would a nuclear bomb explode if you bomb it with an other bomb? | askscience | http://www.reddit.com/r/askscience/comments/102oy2/would_a_nuclear_bomb_explode_if_you_bomb_it_with/ | {
"a_id": [
"c69vc1s",
"c69x1q8"
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"score": [
8,
2
],
"text": [
"No. There's a very critically timed cobination of events that have to happen to get a nuclear detonation. The worst that would happen is that you detonate the charge around the fissile material and produce a conventional 'Di... | [] | [] | [
[],
[]
] | ||
lj4fp | If gravity is a pulling force, why is there no equivalent repulsive/anti gravity force? | Layperson here. I've a question that has puzzled me for a long time, and I'd love to see how /r/askscience answers it.
I've often seen gravity represented in illustrated form where a large body (planet or star) is set upon an invisible plane, represented by a grid. The degree to which the grid is warped beneath the pl... | askscience | http://www.reddit.com/r/askscience/comments/lj4fp/if_gravity_is_a_pulling_force_why_is_there_no/ | {
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"short answer to your question can be: because there is no matter with negative mass.\n\nall matter has positive energy (this statement is called \"weak energy condition\") and crea... | [] | [] | [
[],
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8w53u2 | what is the difference between an originalist interpretation and a "living document" interpretation when it comes to the u.s. supreme court? | I could tell you the difference in a definition sort of way but what I get lost on is application. I need a good example or something to really wrap my head around why there can be two philosophies on interpreting the same Constitution and how each side of the coin interprets it. To me they seem like a couple of fancy ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8w53u2/eli5_what_is_the_difference_between_an/ | {
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"text": [
"The idea is a debate about whether the founders wrote the thing to be specific, rigid, and amendable only through the amendment process...\n\nor whether the founders wrote the thing with deliberately looser language to take shifting societal nor... | [] | [] | [
[]
] | |
1l1xli | Slavery in ancient Greece | Good day, was hoping if some of your can get an insightful answer on a subject i was talking about with a friend of mine. So it was regarding slavery in ancient Greece and basically she said that only the very rich people in Greece owned them and the slaves were intelligent and part of the family and did important jobs... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1l1xli/slavery_in_ancient_greece/ | {
"a_id": [
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"text": [
"Slaves in Greece were not a rare thing to see. It is certain that rural slavery was very common in Athens. It is estimated that every citizen in Athens had at least 1 slave so, to answer your question, high class people were... | [] | [] | [
[],
[]
] | |
3tfriq | The "Duel of Champions": how common was it? What was it's purpose? | Homer's Iliad depicts several duels between great warriors of the opposing sides: Paris and Menelaus, Hector and Ajax, Hector and Achilles. Modern fiction set in feudal Japan often depicts battles beginning with a duel to the death between two samurai between the armies. I'm sure it would be easy to find other (semi-)f... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3tfriq/the_duel_of_champions_how_common_was_it_what_was/ | {
"a_id": [
"cx5w03h",
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"score": [
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2
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"text": [
"Been asked before a few times. The term for this is [Single Combat](_URL_0_).\n\n_URL_1_\n\n_URL_2_",
"I've talked about this wrt feudal Japan [here](_URL_0_). Also, a more common thing seen pre-Sengoku era was still due... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Single_combat",
"https://www.reddit.com/r/AskHistorians/comments/183dk7/are_there_any_cases_where_two_leading_individuals/",
"https://www.reddit.com/r/AskHistorians/comments/1f46ls/at_the_beginning_of_the_film_troy_a_battle_wasnt/"
],
[
"https://www.reddit.com/r/... | |
1pq9hm | What mechanisms are behind stereotypical accents in people with English as a second language? | For example, when I'm on the phone I can generally tell if a person is American-borne, Indian, French, Mexican, etc. by the way they pronounce certain words. What are the actual mechanisms that result in these stereotypical accents? | askscience | http://www.reddit.com/r/askscience/comments/1pq9hm/what_mechanisms_are_behind_stereotypical_accents/ | {
"a_id": [
"cd6qxkt"
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"score": [
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"text": [
"**First the basics:**\n\nDifferent languages have different phonetic systems (where phonetics refers to the individual consonant vowel combinations that form the phonemes which establish contrast for word differentiation. You know \"bat\" and \"... | [] | [] | [
[]
] | |
937w70 | How are ions made artificially? | I know how ions occur naturally but i always wondered how they are made artificially. | askscience | https://www.reddit.com/r/askscience/comments/937w70/how_are_ions_made_artificially/ | {
"a_id": [
"e3bnr0o"
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"score": [
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"text": [
"You usually just take regular atoms and rip off their electrons somehow (heat them up, subject them to strong electric fields, shoot them through stripper foils, or some combination of those)."
]
} | [] | [] | [
[]
] | |
4qjc30 | why can a laser be seen from miles away but a regular flashlight has such a limited range before the light fades? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4qjc30/eli5_why_can_a_laser_be_seen_from_miles_away_but/ | {
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"score": [
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"text": [
"A laser tends to be very well focused, which means that its energy doesn't spread out that much as it travels. A flashlight, on the other hand, isn't focused that well, which means that its energy spreads out very quickly as... | [] | [] | [
[],
[]
] | ||
231b89 | why can most people jump higher off of one leg, when clearly there is more power in two legs? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/231b89/eli5_why_can_most_people_jump_higher_off_of_one/ | {
"a_id": [
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"score": [
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2,
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"text": [
"momentum, jumping with two legs slows you down to an extent",
"because you're using your other leg for momentum.",
"Well, it's not all about raw power. The problem isn't being able to move upwa... | [] | [] | [
[],
[],
[
"http://i.imgur.com/ZI6FEM4.gif"
]
] | ||
1nkuc4 | How do flu shots work? | I was under the impression that there were different types or strains of flu.
How does one shot protect you from all variations of flu?
Do they need to be topped up, as newer strains come into existence? | askscience | http://www.reddit.com/r/askscience/comments/1nkuc4/how_do_flu_shots_work/ | {
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"text": [
" > How does one shot protect you from all variations of flu?\n > Do they need to be topped up, as newer strains come into existence?\n\nOne shot contains va... | [] | [] | [
[],
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[],
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4b19e5 | I found this old helmet in an antique store, and I was wondering where it is from. | It is rather battered, with multiple scratches and whatnot, and it doesn't look that familiar to me. I'm kind of a history buff, and it doesn't match any of the major powers with helmets. It kind of looks like a mixture of a few of them. If any of you can find out the country this helmet belongs to, and possibly a roug... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4b19e5/i_found_this_old_helmet_in_an_antique_store_and_i/ | {
"a_id": [
"d15aysl"
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"score": [
22
],
"text": [
"Swedish M26 Army Helmet seems to be the one, \n_URL_0_\n\nHeres some info on it. \n\n_URL_1_"
]
} | [] | [
"http://imgur.com/a/YdWYV"
] | [
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"http://nuke.combat-helmets.com/Portals/0/2010/SweM26-65a.JPG",
"http://forum.axishistory.com/viewtopic.php?f=8&t=129470&sid=b22be6cd242320fa9b5210b97804bf97"
]
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34snh8 | When/how did human started cooking? | And how did they come about with ingredients that complement dishes ? (ginger/onion/chilli/etc) | askscience | http://www.reddit.com/r/askscience/comments/34snh8/whenhow_did_human_started_cooking/ | {
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"text": [
"The modern human gastrointestinal tract is evolved to digest cooked food. That takes a long time. Here is a peer reviewed article that argues that control of fire was achieved nearly two million of ... | [] | [] | [
[
"http://discovermagazine.com/2013/may/09-archaeologists-find-earliest-evidence-of-humans-cooking-with-fire#.UpHIM2tYCSN",
"http://www.sciencedaily.com/releases/2012/04/120402162548.htm",
"http://faculty.ksu.edu.sa/archaeology/Publications/Hearths/Hominid%20Use%20of%20Fire%20in%20the%20Lower%20and%20Mi... | |
3vzeie | Is there a history of monasticism in Islam? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3vzeie/is_there_a_history_of_monasticism_in_islam/ | {
"a_id": [
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"text": [
"*I speak of the Middle Ages.*\n\nIslam doesn't really have monasticism. Within Sufism, Islam's mystical tradition, we can see some parallels to Christian monasticism, but fundamental differences remain--they are, at heart, different institutions... | [] | [] | [
[]
] | ||
3zkgky | How long did it take a skilled armourer to make chainmail armour during medieval times? | I was watching [this video](_URL_0_), and he says that making mail is a very slow process, but he doesn't specify how long it might have taken a medieval smith to make the armour.
In the video, he says the process of making good mail in medieval times was longer due to them flattening and riveting each individual rin... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3zkgky/how_long_did_it_take_a_skilled_armourer_to_make/ | {
"a_id": [
"cynm0iz"
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"text": [
"My own area of study is the armour of high and late medieval Europe. So my answer will focus on that, not on the Early Middle Ages. I mention this caveat because the economics and social organization of Europe were very different between 600 and ... | [] | [
"https://www.youtube.com/watch?v=CdqOE_OHEP0"
] | [
[]
] | |
3vhji7 | if utilities infastructure was created through taxpayer dollars, then why do people have to pay private companies for their utilities? | I don't actually know how to look up who owns the electricity here (Prince George County, Maryland), but I do know that the sewers had to have been built by taxpayer money, right?
So why do I have to pay a private company for power/water/sewer ? How was this company chosen? How were rates chosen? How can a competitor a... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3vhji7/eli5_if_utilities_infastructure_was_created/ | {
"a_id": [
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"text": [
"In most cases where facilities were built by the public and then privatized, the company either had to pay the government for the facilities, or agree to repair or improve the facilities at their own expense, thus effectivel... | [] | [] | [
[],
[]
] | |
1nstpr | after accomplishing something very challenging why do we sometimes feel empty and emotionless about it immediately after? | Or am I the only one? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1nstpr/eli5_after_accomplishing_something_very/ | {
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"Because the challenge is gone. \n\nPossibly. ",
"This reminds me of the last scene in Zero Dark Thirty (I'd say spoiler here, but since the film was based on recent real-life e... | [] | [] | [
[],
[],
[],
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14i1si | Does having houseplants at home provide any sort of measurable benefit to ones health? | askscience | http://www.reddit.com/r/askscience/comments/14i1si/does_having_houseplants_at_home_provide_any_sort/ | {
"a_id": [
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"text": [
"[They can help reduce indoor pollutants](_URL_0_)",
"Houseplants can provide numerous [mental health and psychiatric](_URL_0_) benefits."
]
} | [] | [] | [
[
"http://www.sciencedaily.com/releases/2009/11/091104140816.htm"
],
[
"http://library.wur.nl/frontis/farming_for_health/04_elings.pdf"
]
] | ||
15gyvs | What is the difference between German Blitzkrieg strategy and Soviet Deep Battle doctrine? | Both of these doctrines were used during WW2 by the Germans and the Soviets, respectively. All I know about them is that they had something to do with encircling the enemy. However, I'm having trouble picturing Deep Battle doctrine in my head. How was it different from the German way of doing things? Could someone demo... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/15gyvs/what_is_the_difference_between_german_blitzkrieg/ | {
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"First of all, the Germans never used the word 'Blitzkrieg' themselves and did not have a specific doctrine around deep penetration or strategic battle - as ... | [] | [
"http://s2.hubimg.com/u/3801553_f260.jpg"
] | [
[],
[],
[],
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"http://i.imgur.com/CAued.png"
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z9uyg | [META] Wide-scale revisions to the official rules | In a bid to make everything more comprehensive and precise, we've decided to update /r/askhistorians' official rules and sidebar. Please take a look, and let us know below if you have any questions or comments.
N.B. There's nothing in here that will be completely novel or unanticipated by the previous rules, but rea... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/z9uyg/meta_widescale_revisions_to_the_official_rules/ | {
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"Looks good, kudos to... | [] | [
"http://www.reddit.com/r/AskHistorians/comments/y94fc/special_occasion_post_243rd_birthday_of_napoleon/",
"http://i.imgur.com/vZveY.png",
"http://www.reddit.com/r/AskHistorians/comments/x9c4e/meta_new_projects_incoming/"
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dix4bv | how can i help somebody with seasonal depression feel better? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dix4bv/eli5_how_can_i_help_somebody_with_seasonal/ | {
"a_id": [
"f3zbfql"
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"score": [
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"text": [
"Phototherapy is noted to help people with seasonal depression. It involves basically shining a special lamp in your indoor space to help mitigate the lack of light that comes with autumn & winter."
]
} | [] | [] | [
[]
] | ||
3uo8l2 | what does the "crisper" drawer in my refrigerator do and what is the benefit to putting my veggies in there? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3uo8l2/eli5_what_does_the_crisper_drawer_in_my/ | {
"a_id": [
"cxgg10p"
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"score": [
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"text": [
"Actually, the crisper is the worst place to keep vegetables. They do better with air circulation and the temps higher in the fridge. The best thing to keep in the crisper are raw meats, primarily to prevent raw meat juices from dripping and cont... | [] | [] | [
[]
] | ||
310eor | Can moons of dramatically different size happily co-exist? | Say a rocky planet, like Earth, has a moon the size of... well... the moon. Would it be possible for that planet to also have a couple of smaller moons? Say the size of Mimas, or even Phobos and Deimos? Or would the larger moon eventually sweep the area clear of smaller bodies, either pulling them down into itself or k... | askscience | http://www.reddit.com/r/askscience/comments/310eor/can_moons_of_dramatically_different_size_happily/ | {
"a_id": [
"cpximvd"
],
"score": [
3
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"text": [
"There's nothing distinctively different between a planet's orbit around a star and a moon's orbit around a planet--there simply needs to be sufficient distance between them where \"far enough\" depends on the object's sizes.\n\nEven asteroids [ca... | [] | [] | [
[
"http://en.wikipedia.org/wiki/243_Ida"
]
] | |
inqzl | Do carbon based filters (such as brita) remove essential minerals that the human body needs? | I have read that bottled water is void of essential items that you would receive from tap water such as fluoride. I know that brita will remove some things from tap water, but is it better to drink the tap water straight, or filtered through a carbon filter? Are there any scientific/health benefits to the options? I... | askscience | http://www.reddit.com/r/askscience/comments/inqzl/do_carbon_based_filters_such_as_brita_remove/ | {
"a_id": [
"c25aekk"
],
"score": [
6
],
"text": [
"First: Its important to note that Brita and similar water pitchers are not just an activated carbon pitcher. There is also an ion exchange resin present in the filter. Think of this ion exchange resin as working just like a water softener (that i... | [] | [] | [
[
"http://www.harmonyminerals.com/"
]
] | |
2lploh | why don't credit cards just use 19 digits instead of 16 digits plus 3 digit "security code"? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2lploh/eli5_why_dont_credit_cards_just_use_19_digits/ | {
"a_id": [
"clwy5lv",
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"score": [
8,
2,
2
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"text": [
"The CVV is separate from the card number, so if people record your card number (such as a card skimmer), they don't have access to the 3 digit security code.\n\nIf you made it 19 digit, then 1 swipe and... | [] | [] | [
[],
[],
[]
] | ||
4c772o | why are the brussels and paris attacks so publicized and mourned over when others, like the current pakistani bombings, kill more and do more damage? | Side question: Is this an example of Eurocentrism?
(talked about it this year in High School) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4c772o/eli5_why_are_the_brussels_and_paris_attacks_so/ | {
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"text": [
"Attacks in Western nations are discussed more in Western media. Attacks in nations that have been experiencing terrorism and war daily for decades, not so much.",
"It's prett... | [] | [] | [
[],
[],
[],
[]
] | |
45lpra | where and how does all the energy created by power plants get stored? or is the power being generated as it's needed? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/45lpra/eli5_where_and_how_does_all_the_energy_created_by/ | {
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flll6 | Has anyone ever taught a computer to code? | I'm watching Watson on Jeopardy! and the programmers say that he essentially "learns" by connecting words. Is it possible to apply this to programming? My idea is that you could have the computer "try" to code something very simple, fail, recognize error messages, and try again. This is essentially what I do when I ... | askscience | http://www.reddit.com/r/askscience/comments/flll6/has_anyone_ever_taught_a_computer_to_code/ | {
"a_id": [
"c1gu0gg",
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"score": [
3,
3,
3
],
"text": [
"You might be describing something a bit like [genetic programming.](_URL_0_) I believe these still require someone to determine the fitness of each program, but if you have some desired output and a set... | [] | [
"http://en.wikipedia.org/wiki/Genetic_programming"
] | [
[
"http://en.wikipedia.org/wiki/Genetic_programming",
"http://en.wikipedia.org/wiki/Emily_Howell",
"http://www.amazon.com/Emily-Howell-From-Darkness-Light/dp/B004FC8RD6"
],
[],
[]
] | |
59x94y | Historically, how long have Arabs been the dominant ethnic group in the Middle East? | I know some areas have probably had an Arabic majority for a long time, like the Arabian Peninsula. I also know that other groups exist in the Middle East, like Persians, Turks, Kurds, etc.
From what I've read, though, Arabs are the largest ethnic group in West Asia. Have they always been a conspicuously large, if no... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/59x94y/historically_how_long_have_arabs_been_the/ | {
"a_id": [
"d9d3n6x"
],
"score": [
2
],
"text": [
"Unfortunately I don't think this an answerable question. \"Arab blood\" does not define Arabness. Arabness is at least partially a linguistically defined ethnicity. That's why dark-skinned dark-eyed [Anwar Sadat](_URL_2_) is just as much an Arab ... | [] | [] | [
[
"http://www.eheraldpost.com/en/wp-content/uploads/2014/06/Bashar_al_Assad.jpg",
"https://www.reddit.com/r/arabs/comments/3if0in/the_distribution_of_peoples_described_as_arabs_by/",
"https://media1.britannica.com/eb-media/77/93077-004-9CEFFCB4.jpg"
]
] | |
3xd0z2 | what exactly is that steamy-looking stuff that comes out right after a beer bottle is opened? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3xd0z2/eli5_what_exactly_is_that_steamylooking_stuff/ | {
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"score": [
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2
],
"text": [
"Water vapour condensed out of the air due to the sudden drop in pressure in the neck of the bottle would be my guess.",
"When a gas expands it's temperature drops. When opening a beer bottle the CO2 in it rapidly expands... | [] | [] | [
[],
[]
] | ||
ezpek8 | Why were the Franks so effective at conquering the Germanic tribes, where Rome had failed for so long? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/ezpek8/why_were_the_franks_so_effective_at_conquering/ | {
"a_id": [
"fgp5izc"
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"score": [
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"text": [
"Frankish hegemony over transrhenan peoples was less due to conquest or overpowering campaigns, and more to a policy of personal relationships, trade, raids and counter-raids that weren't that dissimilar to Rome's policies in Germania and that te... | [] | [] | [
[]
] | ||
fbfce | What would need to happen in order for it to be called the LAW of evolution? | There's laws of motion, gravity, and thermodynamics (and I'm sure others), what other laws are there, and what does it take to become a *law*? | askscience | http://www.reddit.com/r/askscience/comments/fbfce/what_would_need_to_happen_in_order_for_it_to_be/ | {
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"text": [
"['Laws of Science' on Wikipedia](_URL_0_)\n\nTheories are models. 'The world is like this'. Laws are fundamental rules that always apply (in the specified ci... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Laws_of_science"
],
[],
[],
[],
[]
] | |
1dtpua | why hockey refs fake a puck drop during a face off? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1dtpua/eli5_why_hockey_refs_fake_a_puck_drop_during_a/ | {
"a_id": [
"c9tqjvl"
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"score": [
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"text": [
"So that players who try to anticipate the drop and thus start their swing faster don't get an advantage. They are supposed to wait until the puck is dropped to start their swing. "
]
} | [] | [] | [
[]
] | ||
3e0clt | why are cans in hawaii shaped differently than regular soda cans? | _URL_0_ | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3e0clt/eli5_why_are_cans_in_hawaii_shaped_differently/ | {
"a_id": [
"ctabjsp",
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"score": [
13,
3,
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],
"text": [
"This is an older design of common cans. Let this guy shed some light on it in the most interesting can-related video ever produced:\n\n_URL_0_",
"These are regular soda cans from some years back. ... | [] | [
"http://i.imgur.com/90prBWV.jpg"
] | [
[
"https://www.youtube.com/watch?v=hUhisi2FBuw"
],
[],
[
"http://archives.starbulletin.com/2008/04/20/business/story01.html"
]
] | |
6nj52v | Would an ancient Roman be able to read and understand the Latin Wikipedia? | [deleted] | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6nj52v/would_an_ancient_roman_be_able_to_read_and/ | {
"a_id": [
"dk9uxoa"
],
"score": [
6
],
"text": [
"Post this to r/latin--I think they'd get a kick out of it. :)"
]
} | [] | [] | [
[]
] | |
1yons6 | how have members of the bush admin not been charged with committing war crimes yet? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1yons6/eli5_how_have_members_of_the_bush_admin_not_been/ | {
"a_id": [
"cfmdd2x"
],
"score": [
6
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"text": [
"This is bull they by definition did commi war crimes facts are not opinions"
]
} | [] | [] | [
[]
] | ||
3842s6 | what does board mean in room and board? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3842s6/eli5_what_does_board_mean_in_room_and_board/ | {
"a_id": [
"crs3h2y",
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"score": [
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3
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"text": [
"If someone is offering \"room and board\", they are offering to house and feed you (generally). This sometimes is forgotten, but that's what it means.",
"When lodging somewhere \"room\" refers to where you stay and \"boa... | [] | [] | [
[],
[]
] | ||
2vy7nn | If an atom emits a photon when an excited electron returns to ground state, can that happen without the atom being heated up? | Is heat always required to excite the electron in the first place? If not, how else can it happen? | askscience | http://www.reddit.com/r/askscience/comments/2vy7nn/if_an_atom_emits_a_photon_when_an_excited/ | {
"a_id": [
"com53iw"
],
"score": [
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"text": [
"There are many ways that can happen - basically every method of lighting that isn't incandescent light is an example.\n\n[Light-emitting diode](_URL_5_) uses electricity to push electrons to a high energy state, and at the junction the electron f... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Phosphorescence",
"http://en.wikipedia.org/wiki/Luciferase",
"http://en.wikipedia.org/wiki/Intersystem_crossing",
"http://en.wikipedia.org/wiki/Tritium_illumination",
"http://en.wikipedia.org/wiki/Triboluminescence",
"http://en.wikipedia.org/wiki/Light-emittin... | |
51hcib | Why did cavalry during the U.S. Civil War operate almost exclusively as dragoons? | Throughout the mid-19th century, European armies fielded various types of cavalry. Yet both Union and Confederate cavalry corps operated almost exclusively as dragoons. Why was this? To what extent was this affected by the duties of pre-war US cavalry, and/or the lack of a European-style military establishment? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/51hcib/why_did_cavalry_during_the_us_civil_war_operate/ | {
"a_id": [
"d7bzlzk"
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"text": [
" > Yet both Union and Confederate cavalry corps operated almost exclusively as dragoons. Why was this? To what extent was this affected by the duties of pre-war US cavalry, and/or the lack of a European-style military establishment? \n\nThe way... | [] | [] | [
[
"https://archive.org/details/cavalrytacticsa00graygoog",
"https://www.repository.cam.ac.uk/bitstream/handle/1810/244878/Badsey12201.pdf?sequence=1&isAllowed=y",
"http://www.perseus.tufts.edu/hopper/text?doc=Perseus%3Atext%3A2001.05.0109"
]
] | |
3ks5fq | why do a lot of hentai and japanese porn use rape? | Not shying away from this fact, I've seen my fair share of porn and hentai. However, something that somewhat disturbs me morally is the fact that I've seen that a fair share of Japanese porn, and hentai in particular, involve some form of rape.
Now, when taken out of context and un-subbed, some scenes can appear cons... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3ks5fq/eli5_why_do_a_lot_of_hentai_and_japanese_porn_use/ | {
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4,
45,
7,
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"text": [
"My assumption is that it has to do with the relatively rigid and formal social norms and politeness of Japanese culture in every day social interactions and also their cultural i... | [] | [] | [
[],
[],
[],
[]
] | |
45zfwx | Why can't the immune system prevent shingles outbreaks, since it already has antibodies for the virus? | What I got from reading some articles online is that if you get chickenpox, the virus remains dormant even after you get better. Then sometimes it somehow wakes up, and you develop shingles.
My probably stupid but unanswered question is: aren't you supposed to have developed antibodies for varicella zoster? Why does t... | askscience | https://www.reddit.com/r/askscience/comments/45zfwx/why_cant_the_immune_system_prevent_shingles/ | {
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"score": [
2,
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"text": [
"The mechanism that controls VZV latency is not well understood. There are several factors that may increase risk with regard to recurrent shingle episodes. Aging, immunosuppressio... | [] | [] | [
[],
[],
[],
[]
] | |
5g8cva | At what altitude on earth is the air pressure roughly equivalent to the surface pressure of the Martian atmosphere? | And could someone walk out side in scuba gear and not die horribly (ignoring radiation)? | askscience | https://www.reddit.com/r/askscience/comments/5g8cva/at_what_altitude_on_earth_is_the_air_pressure/ | {
"a_id": [
"dar66zl"
],
"score": [
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"text": [
" > The surface pressure on Mars is equivalent to the range of pressures on Earth at altitudes between ~30 km and ~60 km. \n\n--[Math Encounters Blog](_URL_1_)\n\n > At altitudes above 50,000 feet [_15.2 km_] man requires a pressurized suit to be ... | [] | [] | [
[
"https://www.nasa.gov/centers/dryden/research/AirSci/ER-2/pshis.html",
"http://mathscinotes.com/2012/10/earth-altitude-with-equivalent-pressure-to-mars/"
]
] | |
61ngl7 | the core principles of immanuel kant's philosphy. | I really need a dummy explanation here. I already read the Wikipedia page three times and still don't understand. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/61ngl7/eli5_the_core_principles_of_immanuel_kants/ | {
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"dffx72q",
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"score": [
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"text": [
"It generally covers the human perception of reality, that we are limited by our senses and our brains, and aren't really capable of perceiving or conceiving the 'true' nature of the universe. Human per... | [] | [] | [
[],
[],
[]
] | |
n53ln | How is nuclear radiation stored in objects? | It's been a while since I've learned about it; I'm not clear exactly why irradiated water stays radioactive. | askscience | http://www.reddit.com/r/askscience/comments/n53ln/how_is_nuclear_radiation_stored_in_objects/ | {
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"score": [
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"text": [
"Unstable nuclei will eventually decay and emit radiation. If something is bombarded with neutrons, some of them are captured by the nuclei, which can become unstable. In the case o... | [] | [] | [
[],
[],
[],
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] | |
tgitg | If we set off a nuke near Jupiters core.... | Would it turn into a star? Yes, I understand the immense problems with getting a nuke that far into Jupiters atmosphere. It would also probably have to be a large nuke. But I've wondered this since I was a little kid. | askscience | http://www.reddit.com/r/askscience/comments/tgitg/if_we_set_off_a_nuke_near_jupiters_core/ | {
"a_id": [
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"text": [
"No. Some fusion might occur but it would not be self-sustaining.",
"Nope. you'd get localized shock waves, and disruption of the conditions, but Jupiter does not have enough mass to begin or sustai... | [] | [] | [
[],
[],
[]
] | |
65xl5g | why does squirting lemon juice over spicy food make it less spicy? | I'm Indian but I do NOT eat spicy food. Whenever I go to family get-togethers they cook food with minimal spicy food first, take out some portion of this for me then add the remaining spices. I'm an outlaw. Sometimes it happens that they forget to do that so I end up having to eat spicy food. But almost always do they ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/65xl5g/eli5_why_does_squirting_lemon_juice_over_spicy/ | {
"a_id": [
"dgdyn71"
],
"score": [
17
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"text": [
"It does reduce the spice. Spicy chili peppers contain an oil called *capsaicin* which gives the spicy flavor. Lemon juice has acids in it, and the acids neutralize the oils, which reduces the spice. "
]
} | [] | [] | [
[]
] | |
9l8qzn | if oil is ancient organic matter, then how is there so much of it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9l8qzn/eli5_if_oil_is_ancient_organic_matter_then_how_is/ | {
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8,
2,
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],
"text": [
"_URL_0_\nBecause it has had a awfully long time to build up before humans Started using it. Or even before we started existing.",
"T... | [] | [] | [
[
"https://pbs.twimg.com/media/ByOd-TVIYAApSKS.png"
],
[],
[
"https://www.theatlantic.com/science/archive/2017/07/a-road-trip-to-the-end-of-the-world/532914/"
],
[],
[],
[]
] | ||
m7ga3 | what exactly is management consulting? | The name makes it sound pretty straightforward: consulting managers on how to do things. Yet it's an entry-level job for so many undergraduates. I assume they're not in Larry Ellison's ear giving him advice. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/m7ga3/eli5_what_exactly_is_management_consulting/ | {
"a_id": [
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"score": [
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8
],
"text": [
"In short you're correct: a management consultancy does spend a lot of time investigating a company, then makes a number of recommendations to senior staff on how to improve their business.\n\nNot all management consultants a... | [] | [] | [
[],
[]
] | |
1duv6p | Why didn't Israel keep the Sinai peninsular? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1duv6p/why_didnt_israel_keep_the_sinai_peninsular/ | {
"a_id": [
"c9u22jd"
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"score": [
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"text": [
"Because giving it up was a hugely important bargaining chip for peace with Egypt. No one really regarded it as part of Israel (the way the West Bank is), though there were people there who were less than thrilled about being kicked out. Making... | [] | [] | [
[]
] | ||
ivnze | Reddit science people, my 6 year old would like an answer to a space question. I have no idea what to tell her. | I posted this in /r/AskReddit but thought I would try here as someone mentioned. [/r/AskReddit Thread](_URL_0_)
My daughter asked me a question that took me back a little and I didnt have an answer for her. She really likes science and questioning where the science is in everything. So after a trip to the lake today ... | askscience | http://www.reddit.com/r/askscience/comments/ivnze/reddit_science_people_my_6_year_old_would_like_an/ | {
"a_id": [
"c26zx3y",
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"score": [
2,
6,
5
],
"text": [
"Just some of my random thoughts on it:\n\n If there were water where there is now more or less empty space then all planets, solar systems and galaxies would be connected/accessible to one another inste... | [] | [
"http://www.reddit.com/r/AskReddit/comments/ivnt4/reddit_science_people_my_6_year_old_would_like_an/"
] | [
[],
[],
[]
] | |
4cbko4 | how do car dealerships work with the car companies and how do they make their profits? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4cbko4/eli5_how_do_car_dealerships_work_with_the_car/ | {
"a_id": [
"d1gonlo"
],
"score": [
2
],
"text": [
"Car dealerships are independent businesses who have franchise agreements with the various car makers they sell. They purchase the vehicles through the manufacturers at the invoice price, but there are often other mechanisms for the dealers to mak... | [] | [] | [
[]
] | ||
6a44fn | Is there any proof that Mesopotamia and Egypt had contact with each other and if they did, what was their relationship like? | [deleted] | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6a44fn/is_there_any_proof_that_mesopotamia_and_egypt_had/ | {
"a_id": [
"dhblp8k"
],
"score": [
3
],
"text": [
"What timeframe are you refering to?"
]
} | [] | [] | [
[]
] | |
9kumez | How much cytoplasm does the average animal cell contain? | askscience | https://www.reddit.com/r/askscience/comments/9kumez/how_much_cytoplasm_does_the_average_animal_cell/ | {
"a_id": [
"e720vu1"
],
"score": [
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],
"text": [
"About 100-1000 femtoliters.\n\n & #x200B;\n\nBut it's a pretty hard thing to answer. The cell with the smallest volume that I know of is the sperm cell, with about 20 femtoliters (fL). The most numerous cell in your body is the red blood cell, an... | [] | [] | [
[]
] | ||
20nrez | why does it take so long for employers to reach hiring decisions? | EDIT: Hired! Thanks for all the kind words and info. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/20nrez/eli5_why_does_it_take_so_long_for_employers_to/ | {
"a_id": [
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"score": [
4,
6,
3,
4,
2,
2
],
"text": [
"They're interviewing a bunch of other candidates to see who's best.",
"Hiring an employee is a big investment. If there are lots of ... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | |
4j65pf | why is the senate investigating claims that facebook censors conservative news when facebook is a private entity/platform? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4j65pf/eli5_why_is_the_senate_investigating_claims_that/ | {
"a_id": [
"d33yw8z"
],
"score": [
2
],
"text": [
"Because the senate doesn't give a shit about actual government duties and only cares about their own partisan political ideologies and abusing their powers as much as possible in order to advance those particular political ideologies."
]
} | [] | [] | [
[]
] | ||
2ym6cl | How do Historians typically calculate an "exact" date? | As an example, let's say a Roman primary source gives us the only known reference to an event as having occured "300 years in the past". Now, Roman dating was fairly chaotic. Even after they went from 10 month years to 12 month years, they would periodically insert a 13th month. So simply multiplying the number of year... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2ym6cl/how_do_historians_typically_calculate_an_exact/ | {
"a_id": [
"cpav2j9"
],
"score": [
2
],
"text": [
"hi! hopefully some of the historians in antiquities will drop by with more info, but you may be interested in a few related posts\n\n\n* [How do we know what years certain pre-gregorian historical events happened in?](_URL_4_)\n\n* [How certain a... | [] | [] | [
[
"http://www.reddit.com/r/AskHistory/comments/q944u/what_is_the_earliest_reliable_documented_event_in/",
"https://www.reddit.com/r/AskHistorians/comments/2lkip2/how_do_historians_work_with_dates_from_different/",
"https://www.reddit.com/r/AskHistorians/comments/xww2c/how_certain_are_we_of_what_year_it_... | |
8u33jv | With the Norman Conquest of England in 1066, the English language began rapidly changing. What other long-term cultural changes did this event bring about within England? | I am primarily interested in what political policies were adopted by the English people, what long-term impacts diplomatically the Norman Conquest had upon England and its neighbors, the economic consequences of the invasion, and the impact of the Conquest upon the average English household. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/8u33jv/with_the_norman_conquest_of_england_in_1066_the/ | {
"a_id": [
"e1comu5"
],
"score": [
2
],
"text": [
"Hi there, I essentially answered a similar question to yours [here](_URL_1_), and linked to an earlier answer on some more of the legal changes [here](_URL_0_). The legal changes in particular would have had a genuine impact on the day-to-day lif... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/6bale9/how_did_the_norman_conquest_of_england_impact_the/dhl77kj",
"https://www.reddit.com/r/AskHistorians/comments/8tf1o4/z/e17fsg8"
]
] | |
rlbxz | Biologically, how does pedophilia even make sense? | Maybe I mean why is it so common, and maybe psychology as well as biology...Going through it in my head a lot of 'sexual deviations' such as bestiality don't make sense either but it doesn't seem like it's as common. It's not like young girls can breed, so why is there an attraction to them for pedophiles? | askscience | http://www.reddit.com/r/askscience/comments/rlbxz/biologically_how_does_pedophilia_even_make_sense/ | {
"a_id": [
"c46qo24",
"c46qqyn"
],
"score": [
9,
4
],
"text": [
"Although what causes pedophilia is not yet known, beginning in 2002, researchers began reporting a series of findings linking pedophilia with brain structure and function: Pedophilic (and hebephilic) men have lower IQs, poor... | [] | [] | [
[],
[]
] | |
6v6qiz | why do black americans resent white americans so much for slavery when america wasn't the first to use slavery, and banned slavery 13 years before the last country to ban slavery did? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6v6qiz/eli5_why_do_black_americans_resent_white/ | {
"a_id": [
"dly00el",
"dly0637"
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"score": [
2,
2
],
"text": [
"So in your world slavery was the end of the matter?",
"The effects of US Slavery are still seen today. It's not about the history of slavery in other countries. That doesn't directly affect our culture the way our slav... | [] | [] | [
[],
[]
] | ||
6i9yiq | What books should be trusted? | I have looked through the books that are recommended in the community info. What I want to know is with all the books on history available, how can you tell what is sound information and what is widely conjecture?
Also, I am really interested in ancient Europe and Middle East prior to the fall of of the western Roman... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6i9yiq/what_books_should_be_trusted/ | {
"a_id": [
"dj4mkq8",
"dj4ngi4"
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"score": [
3,
3
],
"text": [
"Obviously, there is always a ton to be said on this sort of question, but you might find [this](_URL_0_) response by /u/Cosmic_Charlie informative",
"You will be interested in a series we ran a year ago on finding and ev... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/3larxd/how_can_a_layman_tell_how_reliable_a_source_is/cv4sgdy/"
],
[
"https://www.reddit.com/r/AskHistorians/comments/3t1z25/monday_methodsfinding_and_understanding_sources/",
"https://www.reddit.com/r/AskHistorians/comments/3tz8wo/monday_methodsfin... | |
5e5x1q | Can light impart momentum? | My understanding of a solar sail is that the light striking the sail imparts some tiny amount of momentum on the sail. In order for light to do that would it not have to slow down? I had always thought that light can only travel the speed of light.
If it is not slowing down, where is the energy coming from? | askscience | https://www.reddit.com/r/askscience/comments/5e5x1q/can_light_impart_momentum/ | {
"a_id": [
"daabjqn",
"daac94m",
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"score": [
7,
2,
5
],
"text": [
"The solar sail can either absorb the light (so the sail gains the momentum of the photon it asborbs), or better yet, reflect the light, reversing its momentum. By conservation of momentum, the sail the... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Energy%E2%80%93momentum_relation"
],
[]
] | |
fl2bvh | Why are the lanthanides and actinides crammed in one space? | Why are elements 58-71 in one space? | askscience | https://www.reddit.com/r/askscience/comments/fl2bvh/why_are_the_lanthanides_and_actinides_crammed_in/ | {
"a_id": [
"fkxrq6x"
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"score": [
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"text": [
"They don't, it's just a,way of drawing the Periodic Table more compactly. If you wanted the table set out properly as a grid it would have to be an unwieldy long piece of paper. The whole thing really should be split at that point and the La and... | [] | [] | [
[]
] | |
1k9jw3 | How fast does an object inside the event horizon of a black hole move towards it? | If nothing moves faster than the speed of light does that mean the objects inside an event horizon of a black hole move faster/slower than speed of light towards the singularity? I'm confused since the escape velocity needed to leave the event horizon of a black hole is greater than the speed of light | askscience | http://www.reddit.com/r/askscience/comments/1k9jw3/how_fast_does_an_object_inside_the_event_horizon/ | {
"a_id": [
"cbms9rk",
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"score": [
2,
10
],
"text": [
"It depends on who is measuring the speed. Notice that speed is a local concept in general relativity. There is nothing stopping objects from *appearing* to move faster than light, if they are far away. This may be more read... | [] | [] | [
[],
[]
] | |
26kikm | the difference in programming languages. | Ie what is each best for? HTML, Python, Ruby, Javascript, etc. What are their basic functions and what is each one particularly useful for? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/26kikm/eli5_the_difference_in_programming_languages/ | {
"a_id": [
"chrwk4l",
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"chs2d8b",
"chs2ft9",
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"chs324y",
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"chs5b37",
"chs5prc",
"chs5wrp",
"chs7f9d",
"c... | [] | [] | [
[
"www.codecademy.com"
],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[
"http://en.wikipedia.org/wiki/Turing_complete"
],
[],
[],
[],
[],
[],
[
"https://i.imgur.com/tFIJ65g.jpg"
],
[],
[],
[],
[],
[],
[],
[
"http://xkcd.com/927/"
],
[],
[],
[... | |
18t2b7 | why do modern tvs seem to increase the framerate of video, even when to footage is decades old? | Do they add extra frames in between each existing frame? I know movies have been traditionally 24 frames per second. Even movies from the 70s, on a new, decent TV, seem to run closer to 48-60 frames. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/18t2b7/eli5_why_do_modern_tvs_seem_to_increase_the/ | {
"a_id": [
"c8hpxdm"
],
"score": [
5
],
"text": [
"Modern televisions have a setting that is usually turned on by default that causes this effect. The way it does it is by looking at two frames in the image, seeing what the differences are, and \"guessing\" what another frame between the two woul... | [] | [] | [
[]
] | |
9cbiol | Why was king hussein of jordan pro-peace with Israel? | Almost from the very beginning Jordan was inclined to make peace with Israel. Since the time of his grandfather they were more open to discussion with the zionists and he had secret talks with Israel since the 60s/70s and only made peace much later because of the Palestinian situation. My question is why was he like th... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/9cbiol/why_was_king_hussein_of_jordan_propeace_with/ | {
"a_id": [
"e5auhdp"
],
"score": [
8
],
"text": [
"Part 1 (scroll to my reply to this comment to read Part 2):\n\nThe Jordanian motivations go much deeper than the history of the Hussein family and the Palestinians. Instead, one has to first understand the development of Jordan and the developmen... | [] | [] | [
[]
] | |
9quaif | what exactly does a dip in economy do to a country? | I'm very... misinformed about economy (to say the least). I used to think that if the economy of a country dropped, sure, the prices would get higher but people's salaries would increase as well. I don't know why but I've never had a good concept of what the economy is and how the country would be affected (effected?) ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9quaif/eli5_what_exactly_does_a_dip_in_economy_do_to_a/ | {
"a_id": [
"e8buj81"
],
"score": [
2
],
"text": [
"If the economy dips less people are buying things, if less people are buying things then companies that make things can't afford to hire so many people to make those things. Those people lose their jobs and have less resources to buy things, and... | [] | [] | [
[]
] | |
euhve0 | why do helicopters crash so much more often than other aircraft? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/euhve0/eli5_why_do_helicopters_crash_so_much_more_often/ | {
"a_id": [
"ffpgz0a",
"ffphamy",
"ffpiofa",
"ffpjjpq",
"ffpo88v",
"ffpzltg",
"ffqjb0u"
],
"score": [
3,
3,
36,
4,
9,
2,
3
],
"text": [
"When a helicopters engine fails they become big metal bricks. A plane however, the shape allows for some control ... | [] | [] | [
[],
[],
[],
[],
[
"http://www.ihst.org/portals/54/newsletters/Facts4_Accident%20Rates.pdf"
],
[],
[]
] | ||
3ahxoz | what are options and derivatives? and what are some of the more complex securities being traded? | I understand what shares, bonds and debentures are. But I don't really understand the rest of it.
I'd also appreciate any additional information that anyone feels is related and valuable to have regarding financial markets.
Thank you! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3ahxoz/eli5what_are_options_and_derivatives_and_what_are/ | {
"a_id": [
"cscswjf"
],
"score": [
2
],
"text": [
"A derivative is a contract you can buy and sell. For example, \"whoever holds this piece of paper can buy 100 shares of IBM from me for $50 per share.\" Now, if IBM is worth a lot more than $50 a share, that piece of paper is valuable and you can... | [] | [] | [
[]
] | |
1bj1to | Is it theoretically possible to replace all my bones (or most of the) for something made from a stronger material, like carbon fiber | askscience | http://www.reddit.com/r/askscience/comments/1bj1to/is_it_theoretically_possible_to_replace_all_my/ | {
"a_id": [
"c972uqb"
],
"score": [
3
],
"text": [
"Start by reading [this](_URL_0_) to learn about the functions of bone, which go beyond the structural."
]
} | [] | [] | [
[
"http://en.wikipedia.org/wiki/Bone#Functions"
]
] |
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