q_id stringlengths 5 6 | title stringlengths 3 301 | selftext stringlengths 0 39.2k | document stringclasses 1
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1sr8yv | if black holes never stop consuming things, why haven't any gotten to the point where they consume our galaxy? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1sr8yv/eli5_if_black_holes_never_stop_consuming_things/ | {
"a_id": [
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"There's three reasons:\n\n* Black holes don't \"consume\" any more than any other object of the same mass does. If the Earth were to collapse into a black hole, it would only be about to size of a peanut, and the Moon would stay right where it is... | [] | [] | [
[]
] | ||
71vkgo | Was cold-war hysteria as large in the USSR as it was in the USA? Did the Russians have fallout shelters, "duck and cover", etc? | Follow up question: were there any Russian "There was a turtle by the name of Bert..." style cartoons? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/71vkgo/was_coldwar_hysteria_as_large_in_the_ussr_as_it/ | {
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"Not a subscriber; but can I ask a follow up question?\n\nIf so, are there any good videos (Doesn't need to be in English) of what the USSR did to teach people via media? Lik... | [] | [] | [
[],
[
"https://books.google.co.uk/books?id=LgkAAAAAMBAJ&pg=PA314&dq=civil+defence+in+the+ussr&hl=en&sa=X&ved=0ahUKEwixhYOqi7vWAhVhF8AKHaJnDlY4FBDoAQgqMAE#v=onepage&q=civil%20defence%20in%20the%20ussr&f=false",
"http://www.fontanka.ru/2010/02/02/043/",
"https://books.google.... | |
2r1b8o | why is it when something hurts (i.e. your arm is cut off and you grip your arm) you grab it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2r1b8o/eli5_why_is_it_when_something_hurts_ie_your_arm/ | {
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"Because it's an instinctive reaction that was beneficial to our ancestors. By grabbing on to the hurt part, you;\n\n* protect the injured area, you keep other thing from poking or pressing against it, which could cause further injury and would m... | [] | [] | [
[]
] | ||
2s3752 | when people protest en mass after an al qaida attack, what are they hoping to accomplish? | I understand solidarity, but the terrorists don't care. They will just do it again the minute they get the chance. After a week or so, the crowd will go home. What good will they have done? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2s3752/eli5_when_people_protest_en_mass_after_an_al/ | {
"a_id": [
"cnlrftq"
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"text": [
"The objective of ISIS and Al Qaeda in attacking defenseless people is to foster prejudices against Muslims.\n\nThe biggest problem for ISIS and Al Qaeda is that, by and large, Muslims don't agree with them and think that they are dangerous lunati... | [] | [] | [
[]
] | |
29k4z2 | AMA Canadian History because it's Canada Day, July 1 ! | Happy Canada Day /r/AskHistorians! Or if you are in Quebec, maybe [Bon Déménagement!](_URL_2_blog/2014/6/30/bon-dmnagement-quebecs-july-1). For those of you who are not Canadian, we extend our warmest greetings.
July 1 is Canada's national holiday when we celebrate the creation of the Dominion of Canada in 1867 (e... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/29k4z2/ama_canadian_history_because_its_canada_day_july_1/ | {
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"c... | [] | [
"http://en.wikipedia.org/wiki/Memorial_Day_%28Newfoundland_and_Labrador%29",
"http://uwaterloo.academia.edu/GeoffKeelan",
"http://clioscurrent.com/",
"http://clioscurrent.com/blog/2014/6/30/bon-dmnagement-quebecs-july-1",
"http://muse.jhu.edu/journals/canadian_historical_review/v091/91.2.hayday.html"
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[],
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"https://www.historicacanada.ca"
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4po9re | How do two protons become deuteron? | What exactly causes two protons to become a deuteron (and a positron and neutrino) in the first phase of a proton proton reaction? How exactly does one proton loose it's charge? Is the charge "forced" into the positron? Also, is any energy actually released in the actual union of the protons or solely after that pos... | askscience | https://www.reddit.com/r/askscience/comments/4po9re/how_do_two_protons_become_deuteron/ | {
"a_id": [
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"score": [
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"text": [
"In the initial step, [the two protons form a diproton](_URL_1_) (or Helium-2 if you like) and release energy in the form of a photon. Following this, the diproton undergoes [positron emission](_URL_2_), or beta-plus decay, which mediated by the ... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Weak_interaction#Charged-current_interaction",
"https://en.wikipedia.org/wiki/Proton%E2%80%93proton_chain_reaction#The_pp_chain_reaction",
"https://en.wikipedia.org/wiki/Positron_emission"
]
] | |
5lk0rz | how do cellular network operators know if your number is currently switched off, out of range, incorrect, does not exist or otherwise occupied when someone tries to call you? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5lk0rz/eli5_how_do_cellular_network_operators_know_if/ | {
"a_id": [
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"score": [
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"text": [
"Your phone is in constant communication with the closest cell site. If there is no cell site with an active connection to your phone then the network knows its out of range or turned off. "
]
} | [] | [] | [
[]
] | ||
ay6ffh | why screens are hard to read outdoor? | Not only sunny days, cloudy even overcast days. It's just hard to read screens clearly outdoor. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ay6ffh/eli5_why_screens_are_hard_to_read_outdoor/ | {
"a_id": [
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"score": [
3,
5
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"text": [
"The Sun is very bright. Much brighter than the display technology available for signs. To over power the Sun would take a powerful laser on a sign in the middle of nowhere. What could go wrong? Everything!",
"Bright s... | [] | [] | [
[],
[]
] | |
709rul | why don't we get patterned colourations like dogs? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/709rul/eli5_why_dont_we_get_patterned_colourations_like/ | {
"a_id": [
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"text": [
"They have more fur all over, so they need the patterning to blend into their surroundings or provide other benefits (such as siamese cats and other color-pointed animals - the theory is that the darkly colored extremities tr... | [] | [] | [
[],
[]
] | ||
6chreo | why does bread cook with a dark, thin crust? shouldn't it cook and get gradually lighter closer to the center? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6chreo/eli5_why_does_bread_cook_with_a_dark_thin_crust/ | {
"a_id": [
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"text": [
"The surfaces of most breads are glazed with something like egg wash (egg and water), butter/oil, or some other means to enhance the browning of the crust. Even without that however, the dough-ball is not a homogeneous (unifo... | [] | [] | [
[],
[]
] | ||
1chixr | What is it called when a standard shape on water creates an unusual shadow under water? | In short, what is this called and can someone explain it?
_URL_0_
I just came across it in my pool.
I have a basic understanding of refraction and how it can make shapes "bend", but have never seen anything this cool before so would like an explanation please. | askscience | http://www.reddit.com/r/askscience/comments/1chixr/what_is_it_called_when_a_standard_shape_on_water/ | {
"a_id": [
"c9gjwfg"
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"score": [
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],
"text": [
"[caustics!](_URL_0_)\n\nThe particular shape in the image is caused by the [meniscus](_URL_1_) around the floaty thing acting as a lens."
]
} | [] | [
"http://i.imgur.com/yee04vp.jpg"
] | [
[
"http://en.wikipedia.org/wiki/Caustic_\\(optics\\)",
"http://en.wikipedia.org/wiki/Meniscus"
]
] | |
68m38i | In reality, how absolute was the rule of medieval kings? Could they -- hypothetically -- just go around beheading random peasants? Or nobility? | I understand that this is a huge period, I am just asking whatever you know. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/68m38i/in_reality_how_absolute_was_the_rule_of_medieval/ | {
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"text": [
"Disclaimer: I am not a medievalist. My focus is on the early modern, which is a different era with its own developments overall. However, I still feel like I can ramble in such a way as to help shed light on this topic. The early modern is a lov... | [] | [] | [
[]
] | |
lhvvb | IUPAC Principles of Chemical Nomenclature | I'm currently embroiled in an argument with a chemist who refuses to admit that randomly inserting a hyphen into chemical nomenclature where it does not belong does in fact violate the rules of proper chemical nomenclature, despite my direct citation of the IUPAC's regulations. So, r/Askscience organic chemists, I ask... | askscience | http://www.reddit.com/r/askscience/comments/lhvvb/iupac_principles_of_chemical_nomenclature/ | {
"a_id": [
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"text": [
"Hyphens separate numbers and designating letters (N, E, Z, Beta, Alpha....) that aren't words. The words should get strung together. The second example gets an extra two hyphens because 'beta' should really be the single g... | [] | [] | [
[],
[]
] | |
27zrbk | why do big umbrellas all have curved handles? | The small umbrellas all have straight handles. What is the function of the curve in big umbrellas? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/27zrbk/eli5_why_do_big_umbrellas_all_have_curved_handles/ | {
"a_id": [
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2
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"text": [
"So you can use it as a cane when it's not raining, or hold it on your wrist and use your hands.\n\nEDIT: [BONUS illustrated like I'm five!](_URL_0_)",
"They don't. Golf umbrellas typically have straight handles.\n\n_URL_... | [] | [] | [
[
"http://i.imgur.com/fPiSvt8.jpg"
],
[
"http://www.ceogolfshop.com/blog/wp-content/uploads/best-golf-umbrella.jpg"
]
] | |
1x3r2k | The nearest star to the Sun is a little over 4 light-years away. On average, is this about how far away most stars are from their closest neighbor in our galaxy? | askscience | http://www.reddit.com/r/askscience/comments/1x3r2k/the_nearest_star_to_the_sun_is_a_little_over_4/ | {
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"text": [
"I just realized that no one actually answered your question! \n\nA little math can give us a rough ballpark answer. The Milky Way galaxy is 100-120,000 light years across, with the greatest star density in the center and the lowest star density a... | [] | [] | [
[]
] | ||
1a97b6 | Before Christ, when Jews told stories like those in Genesis, would they give interpretations or state the morals? | Genesis seems to clearly be a story of how humans became different from other animals but I wonder if that was explicitly stated when telling that story. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1a97b6/before_christ_when_jews_told_stories_like_those/ | {
"a_id": [
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"text": [
"Yes. You might want to have a look at the Mishnah and the Talmud. Both were written after the time of Christ but were compendiums of teachings about the Torah. The Christian way of interpreting and reading the Bible was heav... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Life_of_Adam_and_Eve"
]
] | |
niprd | Is there a disease/infection that is actually considered good? | As title pretty much says, is there a known disease or infection that actually improves your body or helps you in some way? I'm thinking like a disease that instead of say making your muscles die actually makes them stronger? | askscience | http://www.reddit.com/r/askscience/comments/niprd/is_there_a_diseaseinfection_that_is_actually/ | {
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"text": [
"Not sure if there's anything like what you're asking for, but I suppose you could consider the bacteria that colonize us a beneficial 'i... | [] | [] | [
[
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"http://www.nature.com/nature/journal/v449/n7164/full/nature06244.html"
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"http://www.nature.com/nature/journal/v449/n7164/full/nature06244.html"
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20pti6 | why didn't the federal government give bailout money to home owners instead of the banks? | Why didn't the federal government give bailout money directly to homeowners in pre foreclosure, with stipulation that money must be used towards their mortgage? Wouldn't this have ultimately achieved the same result (bank getting the bailout money) without so many people being foreclosed on? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/20pti6/eli5why_didnt_the_federal_government_give_bailout/ | {
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38kevg | why does grass stain your clothing while other objects like wood don't? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/38kevg/eli5_why_does_grass_stain_your_clothing_while/ | {
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"text": [
"Grass is very high in chlorophyll, the green ***pigment*** that captures light from the sun and turns it into energy. Wood contains very little chlorophyll."
]
} | [] | [] | [
[]
] | ||
23bsto | how are certain behaviors ingrained in an animal at birth, and it just knows how to do something? | Even we do similar things at birth despite not knowing how to do it. For example, we instinctively reach towards our mother's nipple for food. How is that transferred from a grown animal that has figured that out into its offspring? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/23bsto/eli5_how_are_certain_behaviors_ingrained_in_an/ | {
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"text": [
"Evolution- all the babies that reached out for the breast and obtained nutrients grew quickly and strong. The ones that didn't grew more slowly, weak, and died before the ones that got more milk. The ones that naturally were better at sucking for... | [] | [] | [
[]
] | |
29a2ew | can a cat/dog comprehend what's on the tv screen? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/29a2ew/eli5can_a_catdog_comprehend_whats_on_the_tv_screen/ | {
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"I'm going to remove this, as it's not really an ELI5 question. \n\n > ELI5 is for requests for easy-to-follow explanations of complex concepts and subjects. That means no questions that are just looking for straightforward answers, *that are subj... | [] | [] | [
[]
] | ||
4ui9db | How did the Aircraft used during WWI communicate with Officers/Troops on the ground? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4ui9db/how_did_the_aircraft_used_during_wwi_communicate/ | {
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"There were a few different ways. In the early days, notes detailing enemy troop movements or battery locations were dropped over friendly lines. Spotter aircraft for the artillery would often simply land nearby their assigned battery and deliver... | [] | [] | [
[]
] | ||
1m5x69 | How were uniforms modified by soldiers? | Hopefully this question has not been asked, looked around the faq and used search and couldn't find it.
I happen to know that American WW2 soldiers (the part of history I know best) would commonly modify their issued uniforms by cutting off the chin strap on their helmet because it had a thin metal piece that could cu... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1m5x69/how_were_uniforms_modified_by_soldiers/ | {
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"http://25.media.tumblr.com/8d1e25472d1ee05abaab569ddcc61c4e/tumblr_mszfsgzati1snqfx2o9_1280.... | |
5mv8hy | why is it that we don't see steam powered cars or any kind of external combustion engine in modern cars? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5mv8hy/eli5_why_is_it_that_we_dont_see_steam_powered/ | {
"a_id": [
"dc6m61u"
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"score": [
3
],
"text": [
"Steam power is grossly inefficient compared to a combustion engine. And internal engines are much safer than external engines."
]
} | [] | [] | [
[]
] | ||
3b1g7l | how is 4chan/anon able to track down and find out all the things/people they have done in the past? | For example you post a photo saved from Facebook and they can find your profile within minutes | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3b1g7l/eli5_how_is_4chananon_able_to_track_down_and_find/ | {
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"text": [
"Facebook has the profile number saved in the photo name. If you renamed the photo they would be unable to tell. There's also the exif data which is what yo... | [] | [] | [
[],
[],
[],
[],
[
"http://www.wired.com/2012/08/apple-amazon-mat-honan-hacking/"
]
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16n9vk | why does my cat randomly turn vicious, even while purring? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/16n9vk/eli5_why_does_my_cat_randomly_turn_vicious_even/ | {
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"text": [
"Cats can be overstimulated by petting. Some cats are more sensitive to this than others. \n\n_URL_0_",
"The truth is that no one *really* understands *why* cats purr. Cats mo... | [] | [] | [
[
"http://www.littlebigcat.com/behavior/overstimulation-petting-related-aggression/"
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[],
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7oa5j7 | Why is it that the time of useful consciousness above 10,000m altitude is under one minute when we can easily hold our breath for that long without passing out? | I found some references about O2 partial pressure in venous blood (40 mmHg). That makes me think that at low pressure you might actually lose O2 with every breath. An O2 partial pressure of 40 mmHg correspond to an altitude of about 10km which seems to match with the altitude where your [time of useful consciousness](_... | askscience | https://www.reddit.com/r/askscience/comments/7oa5j7/why_is_it_that_the_time_of_useful_consciousness/ | {
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"text": [
"Also consider that due to outside air pressure, holding your breath becomes very hard.... | [] | [
"https://en.wikipedia.org/wiki/Time_of_useful_consciousness"
] | [
[],
[
"https://en.m.wikipedia.org/wiki/Alveolar_gas_equation",
"http://droualb.faculty.mjc.edu/Course%20Materials/Physiology%20101/Chapter%20Notes/Fall%202007/figure_17_08_labeled.jpg"
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"https://en.m.wikipedia.org/wiki/Alveolar_gas_equation"
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54ra2l | how is a shirt made with no seams on the sides? | As I have looked through my closet, there are some shirt with seams from the arm straight down on each side and then some don't have a seam at all. How are these shirts made? How can they create a "cylinder" of material, then accurately sew on arms and center the neck hole. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/54ra2l/eli5_how_is_a_shirt_made_with_no_seams_on_the/ | {
"a_id": [
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"score": [
7,
14
],
"text": [
"Same way they make socks. The stitching machine is tubular. Either you can say: There isn't one seam or the entire shirt is seam",
"Cloth can be woven or knitted as a tube instead of a sheet. [Here](_URL_0_) is an... | [] | [] | [
[],
[
"https://www.youtube.com/watch?v=cch5MuIQKHk"
]
] | |
6b519m | why and how do people develop commitment issues? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6b519m/eli5_why_and_how_do_people_develop_commitment/ | {
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"text": [
"There are several fundamental development stages, from in utero (while still in the womb!) to late infancy and early childhood that are critical for attachment style development. If any one of those stages is interrupted, or the mother or primary... | [] | [] | [
[]
] | ||
158yfs | What is the physical explanation for "Trick" pitches in Baseball, like a Knuckleball? | Inspired from this gif:
_URL_0_
_URL_1_
How does this work? What is going on in the aerodynamics of the ball that causes it like that? | askscience | http://www.reddit.com/r/askscience/comments/158yfs/what_is_the_physical_explanation_for_trick/ | {
"a_id": [
"c7kbith"
],
"score": [
3
],
"text": [
"[this](_URL_0_) should clear things up (it is explained in the first paragraph.)"
]
} | [] | [
"http://i.imgur.com/MbYee.gif",
"http://www.reddit.com/r/gifs/comments/158lxl/knuckleball/"
] | [
[
"http://en.wikipedia.org/wiki/Knuckleball"
]
] | |
340zp0 | How much did ordinary Christians know about their own religion prior to the Reformation? | Given the fact that Mass was conducted in Latin, the low level of literacy (and the lack of Bibles translated into the vernacular) and the absence of catechism, how much did ordinary people actually know about Christianity?
Were there widespread misconceptions or did popular beliefs generally match the Catholic orth... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/340zp0/how_much_did_ordinary_christians_know_about_their/ | {
"a_id": [
"cqqb57m",
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"score": [
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"text": [
"Not very much, is the shortest answer. \n\nThe longer answer is that it's hard to tell, but we can assume that what they knew was precious little. In late antique and medieval history, poor men tell no tales--and the vast ... | [] | [] | [
[],
[
"http://www.reddit.com/r/AskHistorians/comments/324fr1/im_an_illiterate_medieval_farm_hand_what_is_my/"
]
] | |
64r5li | Isn't convection just conduction through a fluid medium? | Title says it all really. I was told there were three methods of heat transfer: conduction, radiation and convection.
It seems to me convection is just a convenient way to model heat transfer and fluid mechanics, but the actual heat energy must be transferring via conduction and radiation. | askscience | https://www.reddit.com/r/askscience/comments/64r5li/isnt_convection_just_conduction_through_a_fluid/ | {
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"text": [
"Conduction is when adjacent particles transfer momentum to each other without actually changing locations in space. Convection is mixing of the actual partic... | [] | [] | [
[],
[],
[],
[
"https://en.m.wikipedia.org/wiki/Rayleigh_number"
],
[]
] | |
7hdmy8 | what is the role of gaddafi's death in todays slavery in libya? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7hdmy8/eli5_what_is_the_role_of_gaddafis_death_in_todays/ | {
"a_id": [
"dqq8l4f",
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"score": [
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6
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"text": [
"Removing the regulatory body allows illegal activites to operate in the open. The slavery industry always existed but without a practical government they can operate in the open now.",
"It wasn't so much the death of Gad... | [] | [] | [
[],
[]
] | ||
613ppa | how come it feels much easier to "hit the right high note" when singing loudly than softly? | I've noticed that when singing along with some songs that aren't really in my vocal range, it becomes much easier to hit the notes on the fringe of my range when I put "full power" into the note, but if I try to sing it quietly, I need to go into falsetto to be in tune.
My first question is why this is the case, and m... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/613ppa/eli5_how_come_it_feels_much_easier_to_hit_the/ | {
"a_id": [
"dfbfvga"
],
"score": [
3
],
"text": [
"The power you get in your voice should actually be pushed out from your stomach. Your lips shouldn't be more then 2-3 fingers apart at any given time. Over time ( because the larynx is a muscle) you will train it to be able to actually project a ... | [] | [] | [
[]
] | |
p95xy | why people find beer delicious and refreshing. | Honestly I think it's all a conspiracy. I believe every single one of you actually thinks beer tastes disgusting, but since everyone else has a reason to love it, you do too. How do you come up with all these sophistacted adjectives to describe it. I have tried dozens and dozens of different beers. None of them have ev... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/p95xy/eli5_why_people_find_beer_delicious_and_refreshing/ | {
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"score": [
9,
24,
5,
2,
5... | [] | [] | [
[],
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[],
[],
[],
[],
[],
[],
[],
[
"http://www.bjcp.org/docs/2008_Guidelines.pdf"
],
[],
[],
[],
[],
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[]
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2tp3lr | freud's theory of penis envy. | My friend suggested I check this out and it's really hurting my head. Thank you thank you! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2tp3lr/eli5_freuds_theory_of_penis_envy/ | {
"a_id": [
"co11eo3",
"co11goh",
"co18l05"
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"score": [
5,
12,
2
],
"text": [
"Almost all of Freud's theories have been disproven.",
"Copy-pasted from Wikipedia:\n\nSoon after the libidinal shift to the penis, the child develops her first sexual impulses towards her mother.\n... | [] | [] | [
[],
[],
[]
] | |
1yxx7i | is there an objective way to describe "matching" colors? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1yxx7i/eli5_is_there_an_objective_way_to_describe/ | {
"a_id": [
"cfor72e"
],
"score": [
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],
"text": [
"_URL_0_\n\nThe color wheel is the key."
]
} | [] | [] | [
[
"http://www.tigercolor.com/color-lab/color-theory/color-theory-intro.htm#color_harmonies"
]
] | ||
21ra5q | how can two different cars have the same plates? | I am currently behind 2 cars with the same plate, it is a custom plate, so it isn't random.
A BMW with California plates and a Toyota truck with Nevada plates. I've heard of two exact cars with the same plates.
I have pictures, but on my phone that I can upload if anyone asks.
Sorry for formatting, in on my phone. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/21ra5q/eli5_how_can_two_different_cars_have_the_same/ | {
"a_id": [
"cgfqvml",
"cgfqwsp"
],
"score": [
5,
3
],
"text": [
"Two different states. Still very rare though. You should upload the pics to r/mildlyinteresting. They would like it there.",
"Licence plates are issued by states so each state can issue the same combination of numbers... | [] | [] | [
[],
[]
] | |
xbyea | Do lightbulbs produce enough heat to make a room noticeably hotter? | I noticed that my mother would turn of the lights whenever the living room or her bedroom feels hot or warm. I told her that the heat produced by a light source and/ or other small electronics is insignificant compared to the body heat she regularly emits. Am I right in my assumption or was she right in her actions to ... | askscience | http://www.reddit.com/r/askscience/comments/xbyea/do_lightbulbs_produce_enough_heat_to_make_a_room/ | {
"a_id": [
"c5l10xz"
],
"score": [
2
],
"text": [
"So: addressing the crux of your question, light bulb vs body heat.\n\nA light bulb will lose all of the power it consumes via heat in the long run (Light will bounce around, get absorbed, and become heat). So the next question, how much heat? Sta... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Basal_metabolic_rate"
]
] | |
2jwloc | What did the French/Parisian people actually think of the huge American expatriate community in Paris in the 1920s? | It's all so famous and romanticized now, with people like Ernest Hemingway, F. Scott Fitzgerald, Gertrude Stein and so on gadding about all over the place, getting into boxing matches with each other, drinking themselves to death, having affairs, writing books, touring around drunkenly, etc. It defines a whole section... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2jwloc/what_did_the_frenchparisian_people_actually_think/ | {
"a_id": [
"clfvtms"
],
"score": [
3
],
"text": [
"Brooke L. Blower covers this in her book, *Becoming Americans in Paris: Transatlantic Politics and Culture between the World Wars*, particularly Chapter 2: Reluctant Hosts. She writes, \"In the 1920s, Parisians of various political leanings deve... | [] | [] | [
[]
] | |
2h4t3r | Before modern medicine, or even just the general leaps and bounds in medicine in the last few centuries, how long did people think pregnancies lasted? | Did they think you were only pregnant once you started showing or what? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2h4t3r/before_modern_medicine_or_even_just_the_general/ | {
"a_id": [
"ckpvij7",
"ckq0tzq",
"ckr0krq"
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"score": [
6,
11,
2
],
"text": [
"Not a historian but in the Mishana (which was written shortly after the destruction of the second temple 70CE). \"pirkei avos\" they list different things that corolate with the numbers 1-10. And it sa... | [] | [] | [
[],
[],
[]
] | |
2sw01k | why are anti-bullying laws necessary in the u.s.? isn't bullying already a form of illegal harassment? | Seems redundant to me. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2sw01k/eli5_why_are_antibullying_laws_necessary_in_the/ | {
"a_id": [
"cnte1hy",
"cnte39d"
],
"score": [
2,
8
],
"text": [
"It allows them to alter the punishment vs normal harassment. Same way hate-crime legislation works. You are committing a crime, but the added law allows them to convict on extra grounds and punish particularly for the crime"... | [] | [] | [
[],
[]
] | |
3cox50 | why are austerity measures used to tackle a debt crisis even though it rarely succeeds and often cause more harm? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3cox50/eli5_why_are_austerity_measures_used_to_tackle_a/ | {
"a_id": [
"csxjzf8",
"csxk84o",
"csxlmgr"
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"score": [
7,
5,
3
],
"text": [
"Say I owe you 1,000 and I promised to pay you 100 every month. Now I tell you that if you give me 100 (and another 500 to cover the next 6 months payments) I'll pay you. What do you do?\n\nAusterity is ... | [] | [] | [
[],
[],
[]
] | ||
1cmekj | how did the romans successfully cut and paste the greek gods into their own society? | It seems like a rather tricky thing to pull off. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1cmekj/eli5_how_did_the_romans_successfully_cut_and/ | {
"a_id": [
"c9hvu49",
"c9hxuzf"
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"score": [
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24
],
"text": [
"Romans seem to have had an idea that everyone's gods were just different versions of the same thing. When they found some tribe's war god, they would often say that tribe just had some weird ideas about their own war god M... | [] | [] | [
[],
[]
] | |
2a6sq4 | the gaza strip | I don't understand its history, I don't know so many Palestinians concentrated there, and I really don't know what's going on now. I would like to. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2a6sq4/eli5_the_gaza_strip/ | {
"a_id": [
"cis4q8b"
],
"score": [
2
],
"text": [
"The conflict over there is basically the Palestinians reacting to being forcibly displaced by Israel. Go look up UN resolution 181, which was the last legal addition of Israeli territory in Palestine. Now look up current day Israel / Palestine. Y... | [] | [] | [
[]
] | |
t9ppn | Do our bodies have much empty space inside? | The reason I'm asking is this image (NSFL, leg with a cut in it, from r/wtf):
_URL_0_
It looks like there's a lot of empty space inside...in my head that makes little sense, I thought everything is very closely aligned. What's the deal here? | askscience | http://www.reddit.com/r/askscience/comments/t9ppn/do_our_bodies_have_much_empty_space_inside/ | {
"a_id": [
"c4kqcvz",
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"score": [
14,
11,
5,
4,
3,
4,
2,
3
],
"text": [
"Very little, outside the body cavity (and not a lot, there, really). That gap is actually... | [] | [
"http://www.reddit.com/r/WTF/comments/t8qs4/so_my_friend_cut_her_leg_on_a_broker_mirror_nsfl/"
] | [
[],
[],
[],
[],
[],
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"http://www.youtube.com/watch?v=kypne21A0R4",
"http://www.newton.dep.anl.gov/askasci/phy05/phy05265.htm"
],
[
"http://en.wikipedia.org/wiki/Venous_blood"
],
[
"http://www.google.com/imgres?q=ct+neck&um=1&hl=en&client=safari&rls=en&biw=1100&... | |
3chly7 | What are some quality primary and secondary sources regarding the quality of life in Western Europe in Late Antiquity. | I am looking for sources that touch on the quality of life of peoples in Western Europe as Roman influence receded in the 5th and 6th centuries both before and after these areas were independent of Roman control, as well as how they were effected by the Roman bureaucracy while it existed.
I am looking to discover how ... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3chly7/what_are_some_quality_primary_and_secondary/ | {
"a_id": [
"csw5ifd"
],
"score": [
3
],
"text": [
"For Justinian's era, check out Michael Maas's Cambridge Companion to the Age of Justinian. When I was in college, Averil Cameron, one of the first scholars of late antiquity, had a popular sourcebook covering the earlier parts of the period. Howe... | [] | [] | [
[]
] | |
1qcg7h | Did Queen Victoria's role as a prominent woman head of state help Feminism during the period? | I ask this because Queen Victoria seems to be an example of a relatively modern woman with a lot of power. While she wasn't head of government, I've gathered the impression she was a very involved monarch and am curious if the men around her kept women relatively powerless or if she made in-roads into what became conte... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1qcg7h/did_queen_victorias_role_as_a_prominent_woman/ | {
"a_id": [
"cdbh858",
"cdbjfya"
],
"score": [
19,
4
],
"text": [
"From what I gather, she was not very fond of feminism: \n\n > “I am most anxious to enlist everyone who can speak or write to join in checking this mad, wicked folly of ‘Women’s Rights,’ with all its attendant horrors, on w... | [] | [] | [
[],
[
"http://en.wikisource.org/wiki/The_Subjection_of_Women"
]
] | |
502ur7 | how do factories make booster packs contain random cards? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/502ur7/eli5_how_do_factories_make_booster_packs_contain/ | {
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93,
11,
42,
28
],
"text": [
"They're not actually random. A lot of cards is stacked in a particular ordered distribution before being packaged. The appearance of randomness is an illu... | [] | [] | [
[],
[
"http://mtgsalvation.gamepedia.com/Print_sheet"
],
[
"https://youtu.be/IQS5W-Sfd48",
"https://youtu.be/I-LxhldAIAc"
],
[],
[]
] | ||
687rcb | why have usually us semi trucks "nose" compared to european flat cabin semis? | It doesn't make sense to me especially considering fuel efficiency, since gas in US is cheaper and those with nose should be more aerodynamic. Or the ones with nose are more dangerous for other cars and US doesn't have so strict safety requirements? Or US has lower requirements on length of truck so they can waste spac... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/687rcb/eli5_why_have_usually_us_semi_trucks_nose/ | {
"a_id": [
"dgwdusc",
"dgwg575"
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"score": [
10,
6
],
"text": [
"European roads were often designed for horse and wagon, not industrial vehicles. That means they are small and hard to maneuver in. As such they have to greatly limit the size of vehicles so they can maneuver. The US does n... | [] | [] | [
[],
[]
] | |
fp8zft | Can a geosynchronous orbit happen on every planet? Or does it need specific circumstances like certain rotation/revolution speed? And can you do it with any object? | askscience | https://www.reddit.com/r/askscience/comments/fp8zft/can_a_geosynchronous_orbit_happen_on_every_planet/ | {
"a_id": [
"flkf2kq",
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"score": [
21,
16
],
"text": [
"If the rotation is too slow then the orbit would have to be so far away that it would be unstable (not clearly inside the Hill sphere of the object). While you can calculate the height of a stationary orbit and the radius ... | [] | [] | [
[],
[
"https://www.wolframalpha.com/input/?i=%280.39+au+*+%280.8%29+*%28mass+of+mercury+%2F+%283*1+solar+mass%29%29%5E%281%2F3%29%29",
"https://www.wolframalpha.com/input/?i=%28%28Gravitational+constant*mass+of+planet+mercury%29*%2858.6+days%2F%282*pi%29%29%5E2%29%5E%281%2F3%29+"
]
] | ||
c1c8y2 | why do lots of mobile video game advertisers just show random fragments of out of context gameplay, without showing us the name of the game or even trying to make an ad that is nice to watch? does that strategy even work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/c1c8y2/eli5_why_do_lots_of_mobile_video_game_advertisers/ | {
"a_id": [
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"text": [
"ads are designed to capture as much attention in as short a time as possible. and these ads you're talking about do exactly that. after some time you might realize the ad doesn't represent the thing very well, but there'r... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/False\\_advertising#Bait-and-switch",
"https://en.wikipedia.org/wiki/False_advertising#Bait-and-switch"
]
] | ||
19ldgu | why a picture that i take with my smart phone or even a decent point-and-shoot camera looks nothing like what i see with my naked eye. | Generally, I don't get nearly as much content in the photo as I'm trying to capture, which I understand is a limitation of the lenses. But why do the pictures always seem to come out so much darker than it actually is? I can see just fine, why can't the camera? And why is it so hard to capture accurate colors? I've tri... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/19ldgu/eli5_why_a_picture_that_i_take_with_my_smart/ | {
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"c8p7d4u",
"c8pbqv2",
"c8pc5an"
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"score": [
13,
9,
4,
2
],
"text": [
"Regarding the light issues:\nYour eye has a much larger dynamic range than a camera sensor, meaning it can differentiate a much larger range of brightness. Think of it when you w... | [] | [] | [
[],
[
"http://www.jay-pix.de/images/nikon_d40x_sb600.png",
"http://i.imgur.com/IZC9NOw.jpg",
"http://www.kenrockwell.com/nikon/d40/images/D3S_2078-600.jpg",
"http://www.kenrockwell.com/nikon/d40/images/d40-flash.jpg"
],
[],
[]
] | |
exfbt2 | Does heat in a liquid (such as a hot coffee) rise like heat in the air does? | [deleted] | askscience | https://www.reddit.com/r/askscience/comments/exfbt2/does_heat_in_a_liquid_such_as_a_hot_coffee_rise/ | {
"a_id": [
"fgbd48c"
],
"score": [
8
],
"text": [
"Yes it does, liquids and gases behave pretty much the same way but liquids are slower about it. Convection is the main principle at work here which means that hot stuff rises. This causes a cyclical flow where liquids or gases will move up from t... | [] | [] | [
[]
] | |
j7cgf | Whats the logic behind bear behavior during human attacks? | Following [this](_URL_0_) post on the front page I decided to do my obligatory "I guess I should find out how to survive a bear attack." Google search. The general consensus seems to be
* If its a grizzly, lay in the fetal position and try not to die. Don't fight back. If it goes away, stay there for a long period of ... | askscience | http://www.reddit.com/r/askscience/comments/j7cgf/whats_the_logic_behind_bear_behavior_during_human/ | {
"a_id": [
"c29rwo6",
"c29rwo6"
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"score": [
5,
5
],
"text": [
"My understanding is that there are two types of bear attacks - defensive (ie. you startle the bear, or you are near its cubs) and predaceous. Playing dead is recommended for defensive attacks, as you show yourself to not be ... | [] | [
"http://i.imgur.com/uzphT.jpg"
] | [
[
"http://books.google.com/books/about/Bear_Attacks.html?id=gFlz6UKGqrcC"
],
[
"http://books.google.com/books/about/Bear_Attacks.html?id=gFlz6UKGqrcC"
]
] | |
8bi9hq | Where did the idea that Vikings had to die with a sword in their hand come from? | What's the historical/theological context behind this? Why did they, as pagans, prefer pyres to burials? Or are these ideas myths perpetuated by mainstream TV? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/8bi9hq/where_did_the_idea_that_vikings_had_to_die_with_a/ | {
"a_id": [
"dx80k0y"
],
"score": [
4
],
"text": [
"The 1800s.\n\nIn the 1800s, as academic history was still a young discipline, a set of ideas known as cultural history dominated most historical and antiquarian work. Basically, the underlying assumption was that everybody had a culture, and if y... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Snorri_Sturluson",
"https://en.wikipedia.org/wiki/Seax",
"https://en.wikipedia.org/wiki/Age_of_the_Sturlungs"
]
] | |
8uw36z | what are the philosophies of the different scotus justices? | How does Kagan reach her conclusions compared to Gorsuch, for instance? Why was Scalia such a big deal? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8uw36z/eli5_what_are_the_philosophies_of_the_different/ | {
"a_id": [
"e1iogoj",
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"score": [
12,
3
],
"text": [
"I'm a lawyer. \n\nThe thing about SCOTUS decisions is that there are necessarily lots of value judgments that impact the result. If two judges have different values, they'll reach different results, even if they're both try... | [] | [] | [
[],
[]
] | |
1ila2a | where does hot air go? | Everybody knows hot air rises but the higher you go in the atmosphere the colder it gets, many of the tallest mountains are covered in snow, so where does the hot air that rose go? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ila2a/eli5_where_does_hot_air_go/ | {
"a_id": [
"cb5jzqn"
],
"score": [
4
],
"text": [
"Air is heated by the surface of the earth (which is heated by the sun), thus as hot air rises away from the surface of the earth, it cools down. The rate at which this parcel (think bubble) of air cools is called the \"lapse rate\". Generally air... | [] | [] | [
[]
] | |
2fzzrt | what is credit card laundering? | I think it's also called credit card factoring sometimes. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2fzzrt/eli5_what_is_credit_card_laundering/ | {
"a_id": [
"ckeb8q7"
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"score": [
3
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"text": [
"Credit card laundering, sometimes referred to as \"factoring,\" works like this: A company that does not have a credit card merchant account with a bank or credit card company recruits another company (that does have a merchant account) to proces... | [] | [] | [
[
"http://www.inc.com/articles/2000/07/19681.html"
]
] | |
8gbfwd | if 1,000,000 calories were compacted into a bite sized piece of food, would eating it make you instantly become huge? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8gbfwd/eli5_if_1000000_calories_were_compacted_into_a/ | {
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"Your body is limited at the rate at which it can absorb calories. This rate depends on your current activity, which affects metabolism, along with age, sex, etc. You wouldn't inst... | [] | [] | [
[],
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[]
] | ||
76ezr3 | the media/internet situation in china. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/76ezr3/eli5_the_mediainternet_situation_in_china/ | {
"a_id": [
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"text": [
"You remember in Elementary school where sites were blocked? That. But also if you talked shit about your school it would likely come down on you like Jesus' 13th coming.\n"
]
} | [] | [] | [
[]
] | ||
nbaz0 | Would the most powerful possible bomb be based on the reaction between matter and anti-matter? | When they collide, both atoms are completely destroyed, correct? So wouldn't the energy released from that reaction be the most you could get out of anything? | askscience | http://www.reddit.com/r/askscience/comments/nbaz0/would_the_most_powerful_possible_bomb_be_based_on/ | {
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"text": [
"I once thought so, but here is a comment with a good explanation of why not\n_URL_0_",
"It is still the most efficient reaction out there. Compared to the chemical reactions wh... | [] | [] | [
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"http://www.reddit.com/r/askscience/comments/kp9et/would_it_be_possible_to_use_antimatter_as_a_weapon/c2m2apz"
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"http://www.reddit.com/r/askscience/comments/kp9et/would_it_be_possible_to_use_antimatter_as_a_weapon/c2m2apz"
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] | |
1o7slt | What are some societies with unique views towards music? | I'm interested in places where it was revered to places where it was repressed. How did it affect that society? Any interesting events that took place because of their attitudes? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1o7slt/what_are_some_societies_with_unique_views_towards/ | {
"a_id": [
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"I'm not sure, maybe _URL_0_, will have better answers?"
]
} | [] | [] | [
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3m0bmr | Why don't European aristocrats and kings have the sort of complex naming conventions of say the Chinese Emperors? | i realize how bad the title sounds but i'm really asking why china has this complex naming system for emperors I don't percieve Europe or places like France or England to have | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3m0bmr/why_dont_european_aristocrats_and_kings_have_the/ | {
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"text": [
"Could you explain what you mean by a complex naming convention?",
"So in China, the emperors sometimes would have temple names (that is, the name you will be addressed in the imperial temples) and posthumous, names meant... | [] | [] | [
[],
[]
] | |
2bo5pm | Would someone in the 12th century understand that the brain controlled thought? | I am listening to an historical fiction audiobook and a character said the phrase "use your brains" to insist that his men acted smartly. Would someone from the 1000-1200 time period know that the organ within the head was used to act intelligently? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2bo5pm/would_someone_in_the_12th_century_understand_that/ | {
"a_id": [
"cj78wiu"
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"text": [
"Even just using one example of literature from 12th Century Byzantium, Anna Komnene's famous *Alexiad*, we find phrasing linking the brain with intelligence used at least three times. Because Anna writes these simple phrases without any detailed... | [] | [] | [
[]
] | |
2w28jz | how come i'm perfectly healthy even though i drink only 1 glass of water per week(ish), and the healthy amount is 8-12 glasses per day? | ? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2w28jz/eli5_how_come_im_perfectly_healthy_even_though_i/ | {
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"text": [
"Soda, beer, wine, juice, fruit; All contain water. Although its not smart to forgo drinking water, it is possible to get the required amount from other sources. ",
"Water or liquid? Milk, juice, s... | [] | [] | [
[],
[],
[]
] | |
1rohyr | does "survival of the fittest" no longer apply to human evolution because we have the technology to keep people alive and manage all sorts of ailments? | Genuinely curious to hear others' thoughts. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1rohyr/eli5_does_survival_of_the_fittest_no_longer_apply/ | {
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"text": [
"It will always apply in the generic sense, but the words aren't directly as accurate. It will just take on a more abstract term. Survival of the fittest was used to describe fit specimens survived to p... | [] | [] | [
[],
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] | |
48p409 | if we understand corruption in government to be so pervasive, then why does it seem as though no one is truly investigating the matter? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/48p409/eli5_if_we_understand_corruption_in_government_to/ | {
"a_id": [
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"score": [
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"text": [
"On the whole, government corruption is not a big problem in the United States. There are countries that are less corrupt, but we score quite well in the global rankings. When people talk about corruption in America, they're usually not talking a... | [] | [] | [
[]
] | ||
mukv1 | What are the elements that make up the universe? | I watched a TV show awhile ago about how the universe was created. It said that the universe was made up of like a ball of three or so elements that then exploded and created the universe in like 10^-46 seconds (something like that). I can't remember but does anyone know what the elements were in that ball before it ex... | askscience | http://www.reddit.com/r/askscience/comments/mukv1/what_are_the_elements_that_make_up_the_universe/ | {
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"Mostly hydrogen with some traces of helium and lithium. These coalesced into stars, which c... | [] | [] | [
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93t5d8 | why are some slow-motion videos low pitched and some normal pitched ones that are simply slower? what is the difference between their creation processes? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/93t5d8/eli5_why_are_some_slowmotion_videos_low_pitched/ | {
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"text": [
"The ones that are low pitched basically ‘stetch’ the audio file to fit the slowdown, whilst the normal pitched ones basically duplicate the tiny bits of audio to fit the slowdown",
"Most people doing slow mo camera work ... | [] | [] | [
[],
[
"https://youtube.com/watch?v=aO7yzmc3ykw"
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] | ||
dcat7o | what physically happens if you downshift into a lower gear at a high speed in a car? | I’m trying to picture it in my head. Is the clutch moving too fast for the engine? Or is the engine moving too fast for the clutch? Since the clutch and engine rotate at the same speed it baffles me.
Same thing when you rev the engine really high at a low speed and you upshift , the RPM drops pretty hard, why? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dcat7o/eli5_what_physically_happens_if_you_downshift/ | {
"a_id": [
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"Think of it with a 10 speed bike.\n\nIf you are already at a high speed, and you switch to a higher gear (the kind of gear you'd use to climb a hill) your feet a pedaling like a maniac, but the wheels are already moving way faster than that gear ... | [] | [] | [
[]
] | |
5kn52m | how do self-driving cars interact with construction crews / emergency vehicles? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5kn52m/eli5_how_do_selfdriving_cars_interact_with/ | {
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"text": [
"hopefully minimally. The vehicles are designed to recognize obstacles and the roadway itself through a variety of means, such as cameras, radar, lidar, and the like. So it would, you'd hope, recognize these obstacles the same as you'd hope it wou... | [] | [] | [
[]
] | ||
5bjqvi | considering the 8 characteristics of living things, can a single human cell be considered living? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5bjqvi/eli5_considering_the_8_characteristics_of_living/ | {
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"You are going to have to list the 8. There is some disagreement on what is needed.\n\nSingle human cells display all characteristics...but sometimes in subtle ways. Like, movement: Intracellular cytoplasmic flow counts. Ene... | [] | [] | [
[],
[]
] | ||
3ddysn | why is it possible for plastic stuff to be clear but cloth and other fabrics cannot be transparent unless they are thin or meshed? | For instance, I would really want a transparent cloth backpack that could actually hold weight. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3ddysn/eli5_why_is_it_possible_for_plastic_stuff_to_be/ | {
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"text": [
"Plastic sheets are a continuous solid, and thus don't distort light too much as it passes through. Fabrics made of fibers, even if the fibers are made of a naturally transparent material, will distort light a lot more, as each fiber distorts ligh... | [] | [] | [
[]
] | |
tm9id | why reddit "fuzzes" the ratio of up/downvotes | You know, like when some post has a large number of upvotes and it has a bunch of downvotes that don't(?) actually count applied to it, in order to obfuscate the exact ratio of upvotes/downvotes given to said post.
I've heard that it's some sort of an anti-advertising thing but have never understood why such an anti-a... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/tm9id/eli5_why_reddit_fuzzes_the_ratio_of_updownvotes/ | {
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"Not merely anti-advertising, but anti-spam. Reddit is constantly inundated with spam links being submitted by bots - that is, automated programs. Plus bots exist to go in an upvote those links.\n\nThes... | [] | [] | [
[],
[
"http://youtu.be/Io3qJtm19Nc"
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"http://www.reddit.com/r/WTF/comments/eaqnf/pardon_me_but_5000_downvotes_wtf_is_worldnews_for/c16omup"
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8czlbp | looking for book recommendations- World War I major battles | Im looking for recommendations for books on major battles of World War I
The Somme- I recently purchased "The Somme: The Darkest Hour On the Western Front" by Peter Hart and "The Somme: Heroism and Horror in the First World War"
If you can recommend any other books on the Somme it would be great or if you have any com... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/8czlbp/looking_for_book_recommendations_world_war_i/ | {
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"text": [
"I have \"The Price of Glory: Verdun 1916\" by Alistair Horne, which is also located in the recommended books and resources list here on AskHistorians.\n\nWhile the book focuses on Verdun obviously, Horn... | [] | [] | [
[],
[],
[]
] | |
9kb64i | What's happening in our brains when we're trying to remember something? | askscience | https://www.reddit.com/r/askscience/comments/9kb64i/whats_happening_in_our_brains_when_were_trying_to/ | {
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"http://memory.psych.upenn.edu/Main_Page#Neural_oscillatory_correlates_of_episodic_memory",
"http://www.pnas.org/content/early/2017/12/12/1714058114",
"https://www.nature.com/articles/s41467-017-02753-0",
"https://www.researchgate.net/profile/Cory_In... | ||
9hsy69 | Was there ever a point in America's history, or even before its founding, where cricket was played? Can we identify a point where American cricket began to morph into baseball? | [deleted] | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/9hsy69/was_there_ever_a_point_in_americas_history_or/ | {
"a_id": [
"e6edj9n"
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"score": [
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"text": [
"More of course can be said on this, but /u/lord_mayor_of_reddit wrote a [great piece on this](_URL_0_) quite recetnly that might interest you."
]
} | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/99pri2/why_is_the_game_of_cricket_which_is_so_popular/e4pzi82/"
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] | |
2jn7pn | why are almost all mac and cheese boxes blue? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2jn7pn/eli5_why_are_almost_all_mac_and_cheese_boxes_blue/ | {
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"Because the mac-and-cheese inside is orange, and blue and orange are on opposite sides of the color wheel so the orange mac-and-cheese stands out better on the blue packaging than it would on, for example, a red package. \n\nAlthough I would har... | [] | [] | [
[]
] | ||
3xe3k8 | How does gravity work in Quantum Field Theory? | I was watching this pretty cool video: _URL_0_
and it contained a lot of interesting information about the nature of particles and how various fields interact with one another. My question is, given the best information available at the time, is there a theory on how gravity works within Quantum Field Theory (QFT)?
I g... | askscience | https://www.reddit.com/r/askscience/comments/3xe3k8/how_does_gravity_work_in_quantum_field_theory/ | {
"a_id": [
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"text": [
"In the language of quantum field theory, gravity is a spin-2 massless interaction. You can consider photon-graviton scattering with a lot of calculations that aren't always solvable, like [here](_URL_0_)."
]
} | [] | [
"https://www.youtube.com/watch?v=xG_YtASz7gY"
] | [
[
"http://arxiv.org/pdf/1410.4148.pdf"
]
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3k7mvl | How did Maori tribes make their weapons? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3k7mvl/how_did_maori_tribes_make_their_weapons/ | {
"a_id": [
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"text": [
"They used NZ jade (greenstone) if high ranking or native hardwoods, which are extremely solid. Made using stone adzes and stone hammers. Extremely effective weapons for their type of warfare prior to arrival of muskets."
]
} | [] | [] | [
[]
] | ||
1csmwe | What are the differences and similarities between the Canadian alcohol prohibition and the US one? | From a quick wiki read, it seems that the Canadian prohibition movement started much earlier and became law earlier, but the reasons behind it seem very similar to that of the U.S.
How do they compare? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1csmwe/what_are_the_differences_and_similarities_between/ | {
"a_id": [
"c9joh5a"
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"text": [
"As far as I am aware prohibition legislation in Canada was never passed into law. Instead, a sin tax was imposed to appease the temperance movement (and raise a lot of revenue)"
]
} | [] | [] | [
[]
] | |
63dtl0 | what's so great about the mona lisa? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/63dtl0/eli5_whats_so_great_about_the_mona_lisa/ | {
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"http://www.dailymail.co.uk/sciencetech/article-3204079/Mystery-Mona-Lisa-s-smile-solved-Second-painting-shows-da-Vinci-created-o... | ||
27tafg | If they put golf-ball dimples on bullets, would they shoot farther? | And if so, why don't they? | askscience | http://www.reddit.com/r/askscience/comments/27tafg/if_they_put_golfball_dimples_on_bullets_would/ | {
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"No, a golf balls velocity is in the 'critical region' i.e. it flies at a speed where it experiences a reduction in drag by inducing turbulent flow. Bullets fly so fast, and are... | [] | [] | [
[],
[
"http://i.imgur.com/TYK1Ag5.png"
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dnr27x | I’ve often heard that Oliver Cromwell was immensely cruel towards Irish civilians, but is this true? What kind of atrocities did Cromwell commit against civilians in Ireland? | I’ve always heard that Oliver Cromwell committed brutal atrocities and slaughtered thousands of Irish men, women and children. However, I watched [this documentary](_URL_0_) lately and it‘s said that there is no evidence that Cromwell massacred unarmed civilians or ordered civilians to be killed. The worst atrocity he ... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/dnr27x/ive_often_heard_that_oliver_cromwell_was/ | {
"a_id": [
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"text": [
"There are several things one needs to unpack before really getting into Cromwell’s Irish campaign. The first is that for much of Irish and English history since he died, Cromwell was reviled by both nations. \n\nHe was seen as the great murderer... | [] | [
"https://youtu.be/b6SM3PjexkU?t=3376"
] | [
[
"https://www.amazon.co.uk/dp/0571241212/ref=cm_sw_r_cp_api_i_HgHTDb8RB7QG9"
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6v4vv7 | how come your glasses don't focus light and burn your cheek from the sun? | You know how you can fry an ant with a magnifying glass? Is that possible just happening on your face with your glasses standing out in the sun? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6v4vv7/eli5_how_come_your_glasses_dont_focus_light_and/ | {
"a_id": [
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"text": [
"There are 2 general kinds of lens: those that spread light apart (diverging) and those that bend light together (converging). Nearsighted people wear diverging lens glasses, whike farsighted folks wear converging. So, for nearsighted folks, thei... | [] | [] | [
[]
] | |
3vpkof | How Could Europe Fall Into The 'Dark Ages' At A Time When Eastern Rome Still Existed? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3vpkof/how_could_europe_fall_into_the_dark_ages_at_a/ | {
"a_id": [
"cxpor0b"
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"text": [
"Well, the term Dark Ages is out of fashion for the reasons in the post AgentEv2 linked. But I think your general question is how did Western Europe deviate so far from the Roman culture and control when the Empire was still very much alive in the... | [] | [] | [
[]
] | ||
acstp6 | why is the united states in afghanistan? is the u.s at war with anyone? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/acstp6/eli5_why_is_the_united_states_in_afghanistan_is/ | {
"a_id": [
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"text": [
"The US army is at war with the Talibans and the ISIS. So they send troops there to help fight these terrorist groups off ",
"The US and its allies initially sent troops to fight in Afghanistan because they believed that ... | [] | [] | [
[],
[]
] | ||
4id35u | why are top boxing matches held in vegas? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4id35u/eli5_why_are_top_boxing_matches_held_in_vegas/ | {
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"text": [
"The Mgm grand is an excellent venue to watch a fight. Every seat in the house is decent. Also, there is a culture of betting on boxing that inherently lends itself to a vegas setting.",
"Vegas casinos can often offer t... | [] | [] | [
[],
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] | ||
6yd0zr | When a storm like Irma is at sea, what's happening below the surface? | How is the biosphere effected? Do fish just swim deeper and go about their regular life?
EDIT: I can't wait to get home from work and read all this awesome science, to the scientists and field experts just joining, many of the comments in this thread are new and more specific questions | askscience | https://www.reddit.com/r/askscience/comments/6yd0zr/when_a_storm_like_irma_is_at_sea_whats_happening/ | {
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"http://onlinelibrary.wiley.com/doi/10.1029/2003JC001938/full"
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2dpmei | why do businesses in the us contest ex-employees unemployment? are they liable for some of the payment? and if so, what proportion and for how long? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2dpmei/eli5_why_do_businesses_in_the_us_contest/ | {
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"cjrvr08"
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"score": [
70,
12,
6
],
"text": [
"I'm a small business employer in Texas so here's how it works. We pay unemployment for each employee. It's a small percentage that is set by the state based on how many claims you receive. So if you r... | [] | [] | [
[],
[],
[]
] | ||
4151u1 | why encryption matters if you never do anything illegal? | New York might ban encrypted smartphones, why should the average law-abiding citizen care? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4151u1/eli5_why_encryption_matters_if_you_never_do/ | {
"a_id": [
"cyzn8u0",
"cyzn9j4",
"cyznb1z",
"cyzo5ax",
"cyzqacp"
],
"score": [
6,
8,
2,
2,
3
],
"text": [
"You have civil rights. The police needs to justify infringing your privacy.\n\nI'm sure there's nothing illegal in your bedroom, but you still have curtains o... | [] | [] | [
[],
[],
[],
[],
[]
] | |
6empax | is there a difference between pimples on the forehead or chin or cheeks? i mean is there a reason why some people get pimples on the forehead while others get them on other part of their face | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6empax/eli5is_there_a_difference_between_pimples_on_the/ | {
"a_id": [
"dibhsaa"
],
"score": [
5
],
"text": [
" > is there a difference between pimples on the forehead or chin or cheeks?\n\nNot really. A pimple is pretty much a pimple, no matter where it is. There are certainly other kinds of skin lesion, to be sure, but those too are what they are no mat... | [] | [] | [
[
"http://www.webmd.com/beauty/whats-your-skin-type#1"
]
] | ||
r4kuc | The earliest days of Jericho - Walls before Agriculture? | I'm currently reading [The Origins of War](_URL_0_), and in it the author suggests that it's very possible (an equal chance, according to him) that the walls of Jericho were built *before* farming was developed at the site.
Does this idea have any merit? It would seem that the walls wouldn't be necessary until ther... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/r4kuc/the_earliest_days_of_jericho_walls_before/ | {
"a_id": [
"c42v4px",
"c42v903",
"c42vns5",
"c42vrla"
],
"score": [
7,
2,
7,
3
],
"text": [
"[Try building temple complexes before agriculture](_URL_1_).\n\n[Or maybe whole villages with walls with no true agriculture](_URL_0_)\n\nIt's very possible.",
"They still need... | [] | [
"http://www.amazon.ca/gp/product/0500250936/ref=oh_o00_s00_i00_details"
] | [
[
"http://en.wikipedia.org/wiki/Mureybet",
"http://en.wikipedia.org/wiki/G%C3%B6bekli_Tepe"
],
[],
[],
[]
] | |
91keic | What would have urban life been like at the height of the Khmer Empire? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/91keic/what_would_have_urban_life_been_like_at_the/ | {
"a_id": [
"e2z17cs"
],
"score": [
10
],
"text": [
"I would start off by saying there is a severe lack of evidence to give you any concrete answer. Sources from this period are limited to inscriptions on bas reliefs and temples, which given their 'Indianized/Hindu' style are not particularly conc... | [] | [] | [
[
"https://www.youtube.com/watch?v=I1TLkmpAAls&index=8&list=LL4EP-T7rVofDaqZgtAh8qiQ&t=0s",
"https://www.shadowsofutopia.com"
]
] | ||
2qfnag | why can i carry a concealed gun to protect myself, but i can't carry brass knuckles or a switch blade? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2qfnag/eli5why_can_i_carry_a_concealed_gun_to_protect/ | {
"a_id": [
"cn5nze5",
"cn5o0cp",
"cn5o9qq",
"cn5ri24",
"cn5rw0w",
"cn5s56o",
"cn5s5h9",
"cn5slor",
"cn5smei",
"cn5twdy",
"cn5u0zo",
"cn5ukf4",
"cn627li",
"cn647o7",
"cnahiui"
],
"score": [
62,
6,
12,
2,
2,
3,
6,
8,
11... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | ||
1mvlti | why is it that, despite professional audio setup, concerts never sound as good or as balanced as the recordings on the album? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1mvlti/why_is_it_that_despite_professional_audio_setup/ | {
"a_id": [
"ccd0fyu",
"ccd0m12"
],
"score": [
2,
2
],
"text": [
"Because you can't fit a crowd in a noise cancelling, acoustically sound room. The main issue is the 'space', in most cases the band isn't as good as the records make them sound but in the case that the band actually is good... | [] | [] | [
[],
[]
] | ||
fwvj8 | Are humans the only animals who have OCD? | It seems common among humans. Mild forms of it. It seems like most of us like to create some kind of order -- even if it's pointless. (Like poking the middle of your left palm with your right finger and vice versa).
Is it a sideproduct of complex thinking? So lesser animals never have it?
| askscience | http://www.reddit.com/r/askscience/comments/fwvj8/are_humans_the_only_animals_who_have_ocd/ | {
"a_id": [
"c1j7u9w",
"c1j82m5",
"c1j85pp",
"c1j8a07",
"c1ja0el",
"c1jaf03"
],
"score": [
26,
6,
2,
4,
3,
2
],
"text": [
"My anecdotal, single case observation in animals was watching a polar bear in an unsuitably small and horribly barren enclosure at a zo... | [] | [] | [
[],
[],
[],
[],
[
"http://www.animalsheltering.org/resource_library/magazine_articles/jan_feb_2003/selective_breeding_ocd.html"
],
[
"http://en.wikipedia.org/wiki/Obsessive%E2%80%93compulsive_personality_disorder"
]
] | |
8z1j8v | does our bladder has air in it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8z1j8v/eli5_does_our_bladder_has_air_in_it/ | {
"a_id": [
"e2fczwc"
],
"score": [
3
],
"text": [
"Our bladders are usually somewhat filled with urine - we feel that there is \"too much\" once our bladders are stretched, as the muscle fibers that build it contain stretch receptors and this sends information to out brains that we need to urina... | [] | [] | [
[]
] | ||
1e2ts8 | why males cant lactate when they have the same glands as females. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1e2ts8/eli5_why_males_cant_lactate_when_they_have_the/ | {
"a_id": [
"c9w8jn3",
"c9w9rbi",
"c9wborq"
],
"score": [
4,
3,
7
],
"text": [
"They can given enough stimulation. There's just no reason for the body to develop the necessary glands enough to make it a normal thing, since there's no huge production of estrogen since men have no ut... | [] | [] | [
[],
[],
[
"http://www.scientificamerican.com/article.cfm?id=strange-but-true-males-can-lactate"
]
] |
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