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
1aw5h2
What's stopping a black hole from growing exponentially massive and destroying entire systems?
I have a pretty tenuous grasp on how black holes exist, but I just watched _URL_0_ this video about black holes colliding. They said that it would make a bigger black hole. So my question is: what would happen if there was just a giant black hole that's gravitational pull grew over time to be so massive that it altere...
askscience
http://www.reddit.com/r/askscience/comments/1aw5h2/whats_stopping_a_black_hole_from_growing/
{ "a_id": [ "c91ao4p", "c91aswj", "c91c9q4" ], "score": [ 25, 19, 2 ], "text": [ "You might be interested in reading about [Sagittarius A*](_URL_0_), which is likely a colossal black hole at the center of our galaxy. It's thought to be about 12 light hours across, or about the size...
[]
[ "http://www.youtube.com/watch?v=mHwHM5KjSVE" ]
[ [ "http://en.wikipedia.org/wiki/Sagittarius_A*" ], [], [ "http://www.centaurihome.net/swartz.php" ] ]
y7395
When they say that CERN achieved a heat record of ~5 trillion degrees, what does that actually mean/do?
What are the actual real-world observable effects of that heat? Is it in a really, really small space? How do they know how hot it gets? Even if it is in a really small space, does the extremity of the heat cause the overall chamber temperature or the surroundings to warm noticeably? EDIT: Today I was reminded that he...
askscience
http://www.reddit.com/r/askscience/comments/y7395/when_they_say_that_cern_achieved_a_heat_record_of/
{ "a_id": [ "c5sx4hc", "c5sxbi4", "c5symwv", "c5sz9p2", "c5szbzh", "c5t14o3", "c5t46u2", "c5t5vrv" ], "score": [ 100, 146, 15, 29, 15, 7, 2, 2 ], "text": [ "It is a really, really small space with very, very few particles in it. So the real w...
[]
[ "http://www.reddit.com/r/science/comments/y6x4j/cern_physicists_create_recordbreaking_subatomic/" ]
[ [], [ "http://en.wikipedia.org/wiki/Temperature#Kinetic_theory_of_gases" ], [], [ "http://en.wikipedia.org/wiki/Temperature" ], [], [], [], [] ]
3tmerk
Can you give any information about this flag?
_URL_0_ There are photos and what information we have gathered in the link. Anything further would be much appreciated, as we are having a hard time finding anything out about it. Thank you for your time.
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/3tmerk/can_you_give_any_information_about_this_flag/
{ "a_id": [ "cx7fvoe" ], "score": [ 3 ], "text": [ "hi! Do consider x-posting this to /r/vexillology (the flag sub!)" ] }
[]
[ "https://sites.google.com/site/crawfordsgallery/Ghana-West-Africa-Ashanti-Regimental-Flag" ]
[ [] ]
35f0qm
why do we grow out of things.
Why do humans grow out of kids shows, toys, etc. theres no real "force" demanding us to People view it as immature but what makes them think its immature
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/35f0qm/eli5_why_do_we_grow_out_of_things/
{ "a_id": [ "cr3sbgg" ], "score": [ 2 ], "text": [ "Because your tastes change as you get older and you learn more about the world and develop your social life. As you're exposed to more, better media, you start to realize how underdeveloped, uninteresting, and pandering a lot of children's media ...
[]
[]
[ [] ]
59pxe6
What property decides if a material can be a superconductor?
askscience
https://www.reddit.com/r/askscience/comments/59pxe6/what_property_decides_if_a_material_can_be_a/
{ "a_id": [ "d9b4n98" ], "score": [ 7 ], "text": [ "That is a really hard question to answer, mainly because there's several classes of superconductors and only for one of those we really understand all the details.\n**Conventional** superconductors can be explained by [BCS Theory](_URL_0_). The g...
[]
[]
[ [ "https://en.wikipedia.org/wiki/BCS_theory" ] ]
1njwn9
my company has a wifi network for their employees to connect their "personal devices" to. can they see everything i do?
I understand that they can see all of the "http" traffic, and at least the internet address of the "https" places I go. But when I connect to the network, I have to enter my user name, password, and accept a certificate, which turns on my big brother alert! Can they even snoop in on my secure connections?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1njwn9/eli5_my_company_has_a_wifi_network_for_their/
{ "a_id": [ "ccj8s69", "ccj8sk0" ], "score": [ 2, 4 ], "text": [ "Do you log in by joining the network, then every time you try to go to a webpage it redirects you to a login form? Because if that's the case the certificate warning is probably just that the browser thinks your connection h...
[]
[]
[ [], [] ]
3sj1pj
why aren't women allowed in the royal armoured corps?
The British Army's site says: > Women are able to apply for most jobs in the Army. The only ones currently not open to women are the Household Cavalry, Royal Armoured Corps and Infantry. How come?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3sj1pj/eli5_why_arent_women_allowed_in_the_royal/
{ "a_id": [ "cwxnxa3" ], "score": [ 2 ], "text": [ "They *can* join the Household Cavalry, Armoured Corps and Infantry regiments, they are just not allowed an active combat role.\n\nI don't want to get into a debate about the reasons (can't be bothered to do this again) but remember that when peop...
[]
[]
[ [] ]
6rl0i7
what gives soap operas that “low quality” feeling to them? is it the lighting? the dialogue? it’s very distinct, but hard to pin down.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6rl0i7/eli5_what_gives_soap_operas_that_low_quality/
{ "a_id": [ "dl5s3jg", "dl5sgyd", "dl5so5s", "dl5y0ob", "dl5yxxw", "dl5z21m", "dl5zs1x", "dl5zw9x", "dl60blp", "dl60f8p", "dl60wbm", "dl614ta", "dl619mw", "dl61fkn", "dl61wb1", "dl62iy9", "dl62n74", "dl62svq", "dl62yya", "dl6360d", "d...
[]
[]
[ [], [ "https://en.m.wikipedia.org/wiki/Motion_interpolation" ], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [ "http://static1.squarespace.com/static/5005b47424ac8599045698aa/5006e98be4b0ee36c46746d1/53d5bb40e4b0b557d6aa8697/14...
219td1
Is there a drug linked to brain growth and development similar to how testosterone and FSH are linked to muscle growth and developent?
I've been perusing the web for a few days now looking into any current studies on increasing intelligence and brain development. The results I've found are quite far and few so I'm asking /r/askscience if they've stumbled across anything in their web searches or had personal experience with any of these studies or topi...
askscience
http://www.reddit.com/r/askscience/comments/219td1/is_there_a_drug_linked_to_brain_growth_and/
{ "a_id": [ "cgbhu22" ], "score": [ 3 ], "text": [ "I'll edit this post to include some more hard science later, but check out /r/Nootropics \n\nNootropics are 'cognitive enhancing drugs', and may increase \"intelligence\"." ] }
[]
[]
[ [] ]
44xsd2
Manichaeism seems almost unique in being a former major international world religion that was rendered completely extinct without even small remnant populations. Why did it disappear so entirely?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/44xsd2/manichaeism_seems_almost_unique_in_being_a_former/
{ "a_id": [ "cztzdyk" ], "score": [ 70 ], "text": [ "What is a world religion? Roman paganism had millions of adherents, reduced to nothing. Ditto for the so-called mystery religions (besides possibly Christianity) that sprung out of: the cult of Isis, Mithraism, etc. Egyptian religion similarly ...
[]
[]
[ [ "https://en.wikipedia.org/wiki/Hui_people", "https://en.wikipedia.org/wiki/Kaifeng_Jews", "https://en.wikipedia.org/wiki/Kirishitan", "https://en.wikipedia.org/wiki/Church_of_the_East_in_China" ] ]
7rfyig
can every single thing a computer does be broken down into binary code?
When I say every single thing, I am talking about what's displayed on the monitor. Obviously the electronic signals arent in binary.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7rfyig/eli5_can_every_single_thing_a_computer_does_be/
{ "a_id": [ "dswn53l", "dswnf4z", "dswng33", "dswuehy" ], "score": [ 20, 6, 4, 2 ], "text": [ "...the signals going to the monitor are in binary. Once inside the monitor, the signals get reinterpreted by the controller ciruits, in binary and determine the brightness of eac...
[]
[]
[ [], [], [], [] ]
1c7gxo
How did Britain keep the value of its currency stable during its explosive growth in the 19th Century? [reposted because unanswered]
I ask while reading Arrighi's Long 20th Century. How is it possible that Britain maintained a stable pegged currency while so much capital flowed into the country? Was it just the growth in supply of gold?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/1c7gxo/how_did_britain_keep_the_value_of_its_currency/
{ "a_id": [ "c9drqpb" ], "score": [ 2 ], "text": [ " > Was it just the growth in supply of gold?\n\nThat was a big part of it. You had gold strikes in California, the Yukon, South Africa, Colorado, Australia, and so on, all increasing the money supply.\n\nAnother big part was the growth in the pri...
[]
[]
[ [ "http://en.wikipedia.org/wiki/Fractional_reserve_banking" ] ]
cev5k2
how do treadmills and other machines track your hearts bpm by those silver things on the handle?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/cev5k2/eli5_how_do_treadmills_and_other_machines_track/
{ "a_id": [ "eu596a4", "eu59ir6" ], "score": [ 12, 5 ], "text": [ "The basic concept to be aware of here is what makes the heart beat.\n\nOur heartbeat is driven by an electrical signal generated by a small group of cells (sometimes called pacemaker cells) located within our heart. The ele...
[]
[]
[ [], [] ]
q3j1g
why is it illegal to not hire somebody because of their race/religion?
Before you lose your crap and call me a racist, don't. I wouldn't not hire somebody because of their race or religion, but I don't understand why somebody who doesn't want a certain person to work their **has** to hire them against their will. It is their business, shouldn't they be allowed to hire whomever they want...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/q3j1g/eli5_why_is_it_illegal_to_not_hire_somebody/
{ "a_id": [ "c3uezbt", "c3uf56j", "c3uf5ie", "c3ufa8r" ], "score": [ 3, 3, 7, 2 ], "text": [ "Access to the public market requires public accommodation. ", "The technical why?\n\n- Private sector: the commerce clause of the US Const gives power to congress to enact legi...
[]
[]
[ [], [], [], [] ]
4g93ry
why people trust crystal healing when there is no scientific evidence to support its claims?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4g93ry/eli5_why_people_trust_crystal_healing_when_there/
{ "a_id": [ "d2fjptd", "d2fjtf9", "d2fjv17", "d2fk4bt" ], "score": [ 3, 3, 2, 2 ], "text": [ "The same as with most things people believe. There is a lot of anecdotal evidence, and when that evidence is put forward by a source someone already trusts - an actor, a family me...
[]
[]
[ [], [], [], [] ]
38nbj3
Why is it that we are losing helium into space, while hydrogen stays around?
I watched [this](_URL_0_) video a few days back, and it explains why helium is so important and how it's use in party balloons is wasting a finite resource. The scientist explains that earth has too little gravity to keep helium from escaping. How is it that a lighter element, hydrogen, is able to stay on earth? Or do ...
askscience
http://www.reddit.com/r/askscience/comments/38nbj3/why_is_it_that_we_are_losing_helium_into_space/
{ "a_id": [ "crwdfbb", "crwdkbx", "crwdlwu" ], "score": [ 4, 16, 2 ], "text": [ "Your intuition is correct. Lighter gases are more likely to escape Earth's gravity. If you look at the [composition of the atmosphere](_URL_0_) you can see that helium is about ten times as abundant as...
[]
[ "https://www.youtube.com/watch?v=oZkMQkHGj1s" ]
[ [ "http://en.wikipedia.org/wiki/Atmosphere_of_Earth#/media/File:Atmosphere_gas_proportions.svg" ], [], [] ]
3kihib
Are all elements produced in stars?
I've learned that it takes a star to fuse elements together and make heavier ones. - At a hight temperature, hydrogen will fuse into helium. - At a higher temperature (which requires a bigger star), helium will fuse into carbon - Even bigger stars (at least 8 times the sun) will fuse carbon into neon and so on. My qu...
askscience
https://www.reddit.com/r/askscience/comments/3kihib/are_all_elements_produced_in_stars/
{ "a_id": [ "cuxr48x", "cuyfn46" ], "score": [ 4, 2 ], "text": [ "No. \n\nOr at least there are some elements that we cannot possibly detect even if they were produced in stars. There are some elements which have extremely short half-lives. Which means that they can be created in laborator...
[]
[]
[ [], [ "http://hyperphysics.phy-astr.gsu.edu/hbase/nucene/imgnuk/bcurv.gif" ] ]
3b16jz
why do cars need transmissions but planes and boats don't?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3b16jz/eli5_why_do_cars_need_transmissions_but_planes/
{ "a_id": [ "cshvlq3", "cshvtop", "cshwksl" ], "score": [ 3, 2, 4 ], "text": [ "Transmissions carry work from the engine to wherever generates thrust. In plane engines and outboard boat motors, this task happens inside the same mechanical unit.\n\nSome inboard boat motors however d...
[]
[]
[ [], [], [] ]
29h95b
How fast does a torus need to rotate to simulate earth gravity?
I was doing the math once and I noticed that the wider the diameter of the torus, the less rotations per minute is needed to simulate artificial gravity. Is this true? Did I do my math right?
askscience
http://www.reddit.com/r/askscience/comments/29h95b/how_fast_does_a_torus_need_to_rotate_to_simulate/
{ "a_id": [ "cilexmb" ], "score": [ 2 ], "text": [ "You are right. A larger diameter requires a smaller angular speed. The formula is *g = omega*^(2)*r*, where:\n\n* *g* is the Earth's gravity (9.8 m/s^(2))\n* *r* is the radius of the ring\n* *omega* is the angular speed of the ring." ] }
[]
[]
[ [] ]
8lctg6
Why is it called "Missionary position"? Where does the term come from?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/8lctg6/why_is_it_called_missionary_position_where_does/
{ "a_id": [ "dzelxzs" ], "score": [ 17 ], "text": [ "You may be interested in u/yodatsracist's recent 4-part answer to [I saw an article today claiming that the \"missionary\" position derives its name from Native Americans/Africans who saw missionaries having sex. How true is this?](_URL_0_)" ...
[]
[]
[ [ "https://www.reddit.com/r/AskHistorians/comments/857tu7/i_saw_an_article_today_claiming_that_the/" ] ]
f2w7lp
Are bats the only carriers for Ebola that do not die from it?
I have been doing some research on the Ebola outbreak of 2014-2016 and I cannot find any animals that may have been carriers and not die from it other than bats. Are there any other species I may have overlooked? (If you could also maybe link a source in the comments that would be greatly appreciated!!)
askscience
https://www.reddit.com/r/askscience/comments/f2w7lp/are_bats_the_only_carriers_for_ebola_that_do_not/
{ "a_id": [ "fhhfjfj" ], "score": [ 2 ], "text": [ "*Technically*, we don't know for certain that bats even are the carriers, although they are the likeliest suspect. [This paper from 2005](_URL_1_) sampled a whole spread of animals to try and find a carrier, so that might help you on your search ...
[]
[]
[ [ "https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3298261/", "https://www.nature.com/articles/438575a" ] ]
9p168t
what are the rules in the music industry that govern how one artist’s song can be covered by another?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9p168t/eli5_what_are_the_rules_in_the_music_industry/
{ "a_id": [ "e7y7kch", "e7y8goj" ], "score": [ 6, 3 ], "text": [ "In the US you make and sell cover versions of other artists' songs \\*without their permission\\* as long as you do certain things, including paying them a fixed rate royalty. Here's a link with more information: [_URL_0_](_...
[]
[]
[ [ "https://www.legalmatch.com/law-library/article/music-copyright-compulsory-cover-license.html" ], [] ]
1kg29b
why do we have ear lobes ?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1kg29b/eli5_why_do_we_have_ear_lobes/
{ "a_id": [ "cbokbz9", "cbokca3", "cbonmij" ], "score": [ 2, 5, 2 ], "text": [ "The general shape of our ears actually helps us determine the direction of sounds, as they reflect sounds differently based upon where they are coming from. If you change the shape of someone's ear then...
[]
[]
[ [], [], [] ]
787sz3
Life in 1910, London
I'm writing a narrative set in that time period, so every bit of information about how life was for the majority of the poppulace will be much apreciated, things like: - Where life conditions good ? - People where happy ? - How much did the Industrial Revolution still affected the city and it's people ? - Public servic...
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/787sz3/life_in_1910_london/
{ "a_id": [ "dorv2o1" ], "score": [ 3 ], "text": [ "We've allowed this post, but you're unlikely to get a thorough answer. Questions like \"were life conditions good?\" and \"were people happy?\" are not really answerable: some people had a high standard of living and some did not; some people wer...
[]
[]
[ [] ]
cd0evh
Why is strep throat, caused by a commensal bacteria, contagious?
I went to my doctor and was diagnosed with strep throat. I was told that after 24 hrs of antibiotics my strep throat won't be contagious. I was also told that strep is commensal and opportunistic, and a secondary infection to my viral cold. I had a break in the barrier that normally keeps the Group A strep from accessi...
askscience
https://www.reddit.com/r/askscience/comments/cd0evh/why_is_strep_throat_caused_by_a_commensal/
{ "a_id": [ "etr1jox" ], "score": [ 7 ], "text": [ "Because there are different forms found in different people much like blood types, therefore it is fine for yourself to carry but not other people\n\nThe exact reason strep throat is contagious.\nBecause if a new type of streptococcus is found th...
[]
[]
[ [] ]
n5vjh
could it be possible that a black hole in our universe turns out to be a big bang in some other universe?
It seems like this idea could account for the spontaneity of the big bang.
askscience
http://www.reddit.com/r/askscience/comments/n5vjh/could_it_be_possible_that_a_black_hole_in_our/
{ "a_id": [ "c36hkix", "c36hl8z", "c36hkix", "c36hl8z" ], "score": [ 6, 3, 6, 3 ], "text": [ "[There's a Polish cosmologist who thinks this might be possible.](_URL_0_)\n\nIt's totally untestable, though. At least, for a very long time.", "This is actual a concept/idea...
[]
[]
[ [ "http://news.nationalgeographic.com/news/2010/04/100409-black-holes-alternate-universe-multiverse-einstein-wormholes/" ], [ "http://en.wikipedia.org/wiki/White_hole" ], [ "http://news.nationalgeographic.com/news/2010/04/100409-black-holes-alternate-universe-multiverse-einstein-wormholes/" ],...
1lfuxz
How big is our solar system in non-planar directions (up & down rather than out)
All info I've ever read about the size of our solar system seems to refer to a flat disk area (like the galaxy), but is it in really more of a sphere that has the majority of its orbiting bodies in that planar area? Secondarily, if it truly is flat, could we have sent Voyager 1 up or down rather than "out" to reach th...
askscience
http://www.reddit.com/r/askscience/comments/1lfuxz/how_big_is_our_solar_system_in_nonplanar/
{ "a_id": [ "cbz0kr4", "cbz0l3t", "cbzbvxv" ], "score": [ 2, 2, 3 ], "text": [ "I can't answer your actual question but Voyager 1's mission wasn't to leave the solar system. It was to photograph the solar system and we were lucky that we launched when we did because it's a very rar...
[]
[]
[ [], [], [] ]
briy0t
In the early 19th century why did it take so long for major powers to adopt the rifle over the musket?
There were riflemen units in the Napoleonic and American revolution wars but the standard solider had a musket. Was it a matter of production or pride in the musket?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/briy0t/in_the_early_19th_century_why_did_it_take_so_long/
{ "a_id": [ "eog0s4y", "eog1ybh" ], "score": [ 4, 7 ], "text": [ "One piece of the puzzle was ammunition design. Until the introduction of bullets like the Minie Ball, loading a rifled musket was a difficult, time-consuming endeavor. With the round ball that was standard for ammunition at ...
[]
[]
[ [], [] ]
9pvgd2
the difference between piston plane engines and car engines
As far as I understand, they work similarly, so why are plane engines more complicated to start / more expensive / require maintenance more often / etc.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9pvgd2/eli5_the_difference_between_piston_plane_engines/
{ "a_id": [ "e84k9c0", "e85igw8" ], "score": [ 8, 2 ], "text": [ "if car engine breaks down, you putter to side of the road and call AAA.\n\n & #x200B;\n\nif your plane engine breaks down, you fall out of the sky and call FAA. \n\n & #x200B;\n\nif you maintained your car engine at same le...
[]
[]
[ [], [] ]
l6qgo
Has there ever been a mathematical "Piltdown Man"? That is, a mathematical theorem that was accepted as valid for many years, only to have a fatal flaw discovered much later?
askscience
http://www.reddit.com/r/askscience/comments/l6qgo/has_there_ever_been_a_mathematical_piltdown_man/
{ "a_id": [ "c2q90p9", "c2q9e7r", "c2q9r6o", "c2q9wxs", "c2qa50e", "c2qa6ec", "c2qanhr", "c2qbpdw", "c2q90p9", "c2q9e7r", "c2q9r6o", "c2q9wxs", "c2qa50e", "c2qa6ec", "c2qanhr", "c2qbpdw" ], "score": [ 35, 15, 23, 28, 11, 7, ...
[]
[]
[ [], [ "http://www.jimloy.com/checkers/hundred.htm" ], [ "http://en.wikipedia.org/wiki/List_of_published_false_theorems" ], [ "http://en.wikipedia.org/wiki/Malfatti_circles", "http://www.reddit.com/r/explainlikeimfive/comments/l226t/eli5_gödels_incompleteness_theorems/", "http://mathove...
4d6i4w
How was FDR's decision to run for a third term received by the Democratic Party? By his 4th election was there "Roosevelt Fatigue"?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/4d6i4w/how_was_fdrs_decision_to_run_for_a_third_term/
{ "a_id": [ "d1o9ysp", "d1offbk", "d1oofas", "d1owf0s" ], "score": [ 116, 55, 51, 350 ], "text": [ "To ask a follow up question if I may - why was he constitutionally allowed to run for a third term and then a fourth? \nEDIT: Thanks for the replies - question answered.", ...
[]
[]
[ [], [], [], [ "https://www.worldcat.org/title/fdr/oclc/71350593&referer=brief_results" ] ]
2wroyj
what keeps a panting dog from hyperventilating ?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2wroyj/eli5_what_keeps_a_panting_dog_from/
{ "a_id": [ "cotm2ag", "cou69vs" ], "score": [ 31, 2 ], "text": [ "Panting in dogs tends to be shallow breaths an they're not moving a ton of air, which prevents them from blowing off all their carbon dioxide (CO2) and getting respiratory alkalosis (high blood pH which causes an acid/base ...
[]
[]
[ [], [] ]
2bqsf2
Did the Union Jack ever have a red background with a blue central cross?
[This illustration](_URL_0_) is often used to represent events on [evacuation day](_URL_1_) in Massachusetts. The flag fluttering to the ground is the flag the British Army left there but the colors look the opposite of how the Union Jack typically looks. Was there ever a flag like this that the British flew?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/2bqsf2/did_the_union_jack_ever_have_a_red_background/
{ "a_id": [ "cj8cfcf" ], "score": [ 2 ], "text": [ "No. The Union Jack has only ever had a red cross (from the flag of England) and a blue background (from the flag of Scotland). Whoever coloured this image made an error. And whoever drew it too, for that matter. The British flag being lowered see...
[]
[ "http://i282.photobucket.com/albums/kk250/josmndsn/evacuationofnewyorkbythebritish.jpg", "http://home.roadrunner.com/~montghistory/VanArsdale112008.pdf" ]
[ [ "http://www.crwflags.com/fotw/images/g/gb-1606.gif" ] ]
293ryd
why are we training so many kids to code?
There are over 600,000 kids currently learning to code and the numbers are rising. I fear continuing to teach my kids as they will end up with low paying jobs even if they are great due to oversupply. Please explain where the demand will come from especially when overseas labor can do the work for less. I am located in...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/293ryd/eli5why_are_we_training_so_many_kids_to_code/
{ "a_id": [ "cih52g4", "cih5due", "cih5fau", "cih95e1" ], "score": [ 10, 5, 2, 2 ], "text": [ "We teach all kids history, it doesn't make them grow into historians. (It doesn't even grow many of them into history-aware people, kids forget most of what they learn or never ga...
[]
[]
[ [], [], [ "http://www.motherjones.com/media/2014/06/computer-science-programming-code-diversity-sexism-education" ], [] ]
9b3z7w
why is a sugary drink sticky when spilled, but an artificially sweetened one not?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9b3z7w/eli5_why_is_a_sugary_drink_sticky_when_spilled/
{ "a_id": [ "e506yb5", "e50jerx" ], "score": [ 10, 3 ], "text": [ "Artificial sweeteners are much more concentrated. So, when they dry out, there is less leftover. ", "Sugary drinks contain sugar, which is highly attracted to water. Even when the spilled drink \"dries,\" it's not compl...
[]
[]
[ [], [] ]
2zu37a
Benedict Arnold is regarded as the biggest traitor of the American Revolution. I've heard that he was treated poorly by America beforehand though. What's his story?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/2zu37a/benedict_arnold_is_regarded_as_the_biggest/
{ "a_id": [ "cpmavxy" ], "score": [ 5 ], "text": [ "[Here's a previous thread](_URL_0_) with a response by /u/zuzahin that goes in-depth into Arnold's story and motivations." ] }
[]
[]
[ [ "http://www.reddit.com/r/AskHistorians/comments/1u8mvr/what_is_the_truth_regarding_benedict_arnold_why/" ] ]
6sf7rp
why are puns generally frowned upon (albeit humorously)?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6sf7rp/eli5_why_are_puns_generally_frowned_upon_albeit/
{ "a_id": [ "dlc91xn", "dlc936y", "dlcciub", "dlchxqh" ], "score": [ 13, 4, 16, 2 ], "text": [ "Because they're low effort, short jokes. They're like a reddit shit post. It can be funny, but it can't be elaborate and abstract.", "Yer not alone in askin', and kind strang...
[]
[]
[ [], [ "https://www.reddit.com/r/NoStupidQuestions/comments/51flcm/why_are_puns_considered_bad_jokes/", "https://www.reddit.com/r/NoStupidQuestions/comments/3khkwl/do_people_actually_hate_puns_or_do_they_just/", "https://www.reddit.com/r/explainlikeimfive/comments/2cyt12/eli5_why_do_people_hate_puns_so...
1syhs2
why does it seem that most movies have a "happy" ending?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1syhs2/eli5_why_does_it_seem_that_most_movies_have_a/
{ "a_id": [ "ce2hxbg", "ce2hzo5", "ce2mxef", "ce2ozix" ], "score": [ 3, 3, 2, 2 ], "text": [ "Because most people like happy endings.", "Why would you want to leave the theater depressed? The point is to have a closing that let's you leave on a positive note. There are ...
[]
[]
[ [], [], [], [] ]
2up5za
How popular were the Odyssey and the Iliad in Ancient and Classical Greece?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/2up5za/how_popular_were_the_odyssey_and_the_iliad_in/
{ "a_id": [ "coaihzn", "coaiv8v", "coal148" ], "score": [ 6, 7, 53 ], "text": [ "hi! you may be interested in these posts\n\n* [how commonly known would the story of the Iliad, have been in the second century BC classical world?](_URL_3_)\n\n* [How well known would the stories in t...
[]
[]
[ [ "http://www.reddit.com/r/AskHistorians/comments/1kldhj/did_the_ancient_greeks_view_homers_iliad_and/", "http://www.reddit.com/r/AskHistorians/comments/1izjt7/how_influential_were_homers_works_the_iliad_and/", "http://www.reddit.com/r/AskHistorians/comments/2exov4/how_well_known_would_the_stories_in_th...
gsv7q
Could someone clear this whole thing up? (When smoking from a bowl made of aluminum, can aluminum enter the lungs?)
This is in reference to this [post](_URL_0_).
askscience
http://www.reddit.com/r/askscience/comments/gsv7q/could_someone_clear_this_whole_thing_up_when/
{ "a_id": [ "c1q1khl", "c1q2qgu" ], "score": [ 3, 8 ], "text": [ "This guy has been smoking too much and not taking enough science courses. The list of ignorant things is kind of long, and my patience for stoners in pretty short, so I'm going to keep this brief and to the point. (In case ...
[]
[ "http://www.reddit.com/r/trees/comments/gskqe/dont_die_too_young_a_friendly_reminder_never_to/" ]
[ [ "http://en.wikipedia.org/wiki/Antacid#Some_well-known_antacid_brands" ], [] ]
2xy8fa
how do floors get mopped, garbage cans get emptied, plumbing get repaired etc. in top secret areas? are there janitors with high level security clearance?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2xy8fa/eli5_how_do_floors_get_mopped_garbage_cans_get/
{ "a_id": [ "cp4hot6", "cp4htoj", "cp4ilzi", "cp4lma5" ], "score": [ 4, 2, 2, 2 ], "text": [ "Areas like that have \"clean desk\" policies where everything has to be secured in locked drawers when you are not at your desk. If it is somewhere with constant activities then t...
[]
[]
[ [], [], [], [] ]
15fnu6
if you are able to look at somebody's reflection, this person must also be able to look at yours. does this concept apply always?
Just like you are capable of looking at somebody's reflection, this person must also be able to look at yours. However, is there an exception to this rule? Perhaps due to refraction, etc.? If so, how is it possible?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/15fnu6/if_you_are_able_to_look_at_somebodys_reflection/
{ "a_id": [ "c7m108y", "c7m1d1s", "c7m1rxu", "c7m28bn", "c7m7wfz" ], "score": [ 3, 3, 3, 12, 2 ], "text": [ "The way light bounces, this will always happen on a *flat* surface. If the surface is warped, skewed, or bent, the light will bounce back according to that ...
[]
[]
[ [], [], [], [], [] ]
6meoid
what happens to clinically insane people after committing crimes that if a non-insane person did, they would receive the death penalty?
Also, where did these laws originate from?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6meoid/eli5_what_happens_to_clinically_insane_people/
{ "a_id": [ "dk0yrur", "dk0zfn8", "dk1cxvn", "dk1rw9n" ], "score": [ 2, 6, 3, 2 ], "text": [ "Part of a crime is intent and knowledge of the likely outcome of one's actions.\n\nIf a person is \"not guilty by reason of insanity\" it means that durring that *specific* crime t...
[]
[]
[ [], [ "https://en.wikipedia.org/wiki/John_Hinckley_Jr", "http://aapl.org/docs/newsletter/N242hist_justice.htm" ], [], [] ]
6u3rr6
Do doppelgängers have extremely similar DNA like siblings or twins do? Or do they appear unrelated when taking a DNA test?
askscience
https://www.reddit.com/r/askscience/comments/6u3rr6/do_doppelgängers_have_extremely_similar_dna_like/
{ "a_id": [ "dlqqpbv" ], "score": [ 3 ], "text": [ "If you are asking whether people that look superficially the same as you would show up as related to you if they took a DNA test, then no. These types of genetic testing look primarily at so called junk DNA, the ~98% of you DNA that is not active...
[]
[]
[ [] ]
5bltbq
how are there enough cows to supply the over 15k macdonalds and burger kings in u.s.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5bltbq/eli5how_are_there_enough_cows_to_supply_the_over/
{ "a_id": [ "d9pgabp", "d9pipog", "d9pir15", "d9pitu6", "d9ppmm4", "d9pptoo", "d9pr11s", "d9pr4jg", "d9prbwe", "d9pruns", "d9pt9xy", "d9ptpt7", "d9pujmg" ], "score": [ 731, 19, 25, 4, 3, 132, 50, 15, 4, 3, 2, 7, ...
[]
[]
[ [], [], [], [], [], [ "https://67.media.tumblr.com/tumblr_m3arfbm11Y1rolmsno1_500.jpg", "http://static5.businessinsider.com/image/53e127446bb3f70a4fc69a68-1500-1467/randall%20county%20feedyard,%20amarillo,%20texas.jpg" ], [], [], [], [ "https://yourquestions.mcdonalds.co.nz/questions...
9uqghw
why do my hands feel weak after i watch doctors taking blood.
It doesn't have to be blood, basically whenever I see someone injecting needle my hands suddenly feel weak and weird. I can't even clench the fist as good as usual.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9uqghw/eli5_why_do_my_hands_feel_weak_after_i_watch/
{ "a_id": [ "e96w7o7" ], "score": [ 4 ], "text": [ "Likely because some part of the process makes you anxious and you experience a mini fight-or-flight reaction of blood being drained from your extremities to be pumped into things your body deems more important in the moment. Possibly resulting in...
[]
[]
[ [] ]
arg2iy
if black absorbs all colors on the visible spectrum, then how are there glossy black finishes that reflect light
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/arg2iy/eli5_if_black_absorbs_all_colors_on_the_visible/
{ "a_id": [ "egmym5y", "egmyo1f", "egn096s", "egn1bc6", "egn1lvv" ], "score": [ 3, 24, 2, 6, 2 ], "text": [ "There are more ways light interacts with a surface than by absorption. Reflection is a different mechanic where the light is bounced off the surface based mo...
[]
[]
[ [], [], [], [ "https://en.wikipedia.org/wiki/Vantablack" ], [] ]
11kabv
Can chivalry in the Middle ages be seen as an attempt to rein in the violence of the warrior classes?
I saw this mentioned in a thread on the crusades (in relation to the crusades giving the pope the advantage of sending much of the violent warrior class away). Is this backable? THANKS EVERYONE!
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/11kabv/can_chivalry_in_the_middle_ages_be_seen_as_an/
{ "a_id": [ "c6n9de7", "c6n9k40", "c6na18e", "c6na81n" ], "score": [ 3, 8, 3, 6 ], "text": [ "That sort of thing is difficult to measure.\n\nChivalry may have more of a literary basis. The chivalric code appears in stories like Sir Gawain and the Green Knight or in El Cid, ...
[]
[]
[ [], [ "http://en.wikipedia.org/wiki/Peace_and_Truce_of_God" ], [], [] ]
3r3tvw
what is going through my cat's head when he runs back and forth seemingly aimlessly?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3r3tvw/eli5_what_is_going_through_my_cats_head_when_he/
{ "a_id": [ "cwl85ms" ], "score": [ 2 ], "text": [ "Although there are a bunch of factors to consider, (sterilization, age, etc) if I had to make a personal guess, I'd say he has a natural instinct to prowl and hunt like in the wild and since he can't exactly do those things, he just aimlessly run...
[]
[]
[ [] ]
710po8
In physics, why is the formula to calculate force F=ma instead of F=mv (mass x velocity)?
For example, if a car that weighs 2 kilograms his traveling at a constant speed of 31 meters a second as the car hits you. It would give you a fair amount of force right? But the formula states that since the car is not accelerating and is at a constant speed, a=0, since 2,000 x 0 = 0 the formula says that the car hi...
askscience
https://www.reddit.com/r/askscience/comments/710po8/in_physics_why_is_the_formula_to_calculate_force/
{ "a_id": [ "dn7aze6", "dn7bflm", "dn7crlj", "dn7hcog" ], "score": [ 63, 26, 3, 5 ], "text": [ "The problem is that you are not calculating an impact force correctly. The equation **F** = m**a** tells you the net force on an object. But the equation does not tell you direct...
[]
[]
[ [], [], [], [] ]
6b9jzz
What stopped Nixon's push for Universal Healthcare?
Was it true universal healthcare? Was it a single payer system or something with private industry? Why was it politically stopped?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/6b9jzz/what_stopped_nixons_push_for_universal_healthcare/
{ "a_id": [ "dhmbs6g" ], "score": [ 3 ], "text": [ "Politics, plain and simple.\n\nUntil the end of his life Sen. Edward Kennedy said his greatest regret during his political career was turning down President Nixon's deal on healthcare.\n\n[This column] (_URL_1_) from 2009 and [this one] (_URL_0_)...
[]
[]
[ [ "http://bostonglobe.com/opinion/2012/06/22/stockman/bvg57mguQxOVpZMmB1Mg2N/story.html", "http://washingtonpost.com/wp-dyn/content/article/2009/08/27/AR2009082703919.html" ] ]
cy4svt
how is liquid nitrogen kept cold? can it be kept in a bottle for a long period and still be cold?
I understand the relation beetwen pressure, temperature and volume, so if I manage to keep liquid nitrogen under pressure for 20 years it will still be cold?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/cy4svt/eli5_how_is_liquid_nitrogen_kept_cold_can_it_be/
{ "a_id": [ "eyppzdy", "eypwvv3" ], "score": [ 5, 2 ], "text": [ "LN2 is stored in dewar's for smaller amounts or in cryogenic tanks for larger quantities. Dewar's are just high efficiency thermos tanks usually with a vented lid. Why the vent? Because no thermos is perfect at retaining tem...
[]
[]
[ [], [] ]
7iwdqw
how does left-cardiac hypertrophy lead to cardiac arrhythmias?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7iwdqw/eli5_how_does_leftcardiac_hypertrophy_lead_to/
{ "a_id": [ "dr1v8u6", "dr2dihv" ], "score": [ 4, 2 ], "text": [ "With left-sided hypertrophic cardiomyopathy, the left ventricle is very muscular and that leaves little room for blood to fill up in it between beats. As a result, you can get blood backing up into the left atrium. This stre...
[]
[]
[ [], [] ]
4ubixe
would there be any temperature difference if the speed of the light were slower?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4ubixe/eli5_would_there_be_any_temperature_difference_if/
{ "a_id": [ "d5oe18d" ], "score": [ 3 ], "text": [ "I'm not sure I can ELI5 this, but i'll just try and explain it anyway. I'm not really sure what the best answer, but my best guess is that it depends on what other physical constants changed. Assuming that everything was held constant and you jus...
[]
[]
[ [ "https://en.wikipedia.org/wiki/Planck%E2%80%93Einstein_relation" ] ]
1a6p6i
why are x-rays emitted through high powered lights, and just how dangerous could it be with prolonged exposure?
Me and my buddy found a RGB stage light in the garbage today and proceeded to take it apart unfortunately we did not read the warning labels until afterwards and found some very unsettling things: (_URL_1_) (_URL_3_) We have since then discarded it but the question remains how does this thing emit x-rays and how dange...
askscience
http://www.reddit.com/r/askscience/comments/1a6p6i/why_are_xrays_emitted_through_high_powered_lights/
{ "a_id": [ "c8um12i", "c8uvcs2" ], "score": [ 5, 2 ], "text": [ "Those aren't actually stage lights; they're the CRT picture tubes from a [rear projection TV](_URL_0_). \n\nCRTs work by accelerating a beam of electrons in a vacuum tube to high energy, and letting the beam hit the phosphor...
[]
[ "http://i.imgur.com/DufN7zT.jpg", "http://i.imgur.com/xMq8BLB.jpg", "http://i.imgur.com/VBlwOEA.jpg?1", "http://i.imgur.com/KgH2gUS.jpg", "http://i.imgur.com/rDB0oQS.jpg", "http://i.imgur.com/0dPjcmZ.jpg" ]
[ [ "http://www.bigscreenparts.com/servlet/the-8467/RCA-P61310-Blue-CRT/Detail.html" ], [ "http://en.wikipedia.org/wiki/Sievert#Dose_examples_2" ] ]
1p0bea
what process has happened over the years that makes things i found as a child hilarious to me then but now not finding them as humorous.
I feel I haven't changed much since I was a child. I just don't understand why I don't laugh like I used to at silly cartoons or rude jokes etc.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1p0bea/eli5_what_process_has_happened_over_the_years/
{ "a_id": [ "ccxftg9" ], "score": [ 2 ], "text": [ "You've developed more sophisticated tastes. Maybe not much more sophisticated, but still, at least a little. You've seen things that are far funnier than simple rude jokes or silly cartoons, and you've also seen so many rude jokes that the idea...
[]
[]
[ [] ]
1ptbqx
How much air do various plants need to live relative to humans?
My 4 year old asked me this yesterday and I had no idea what to tell him.
askscience
http://www.reddit.com/r/askscience/comments/1ptbqx/how_much_air_do_various_plants_need_to_live/
{ "a_id": [ "cd63ejx" ], "score": [ 3 ], "text": [ "The short answer is very little. You can keep a [plant in a glass jar]( _URL_0_) forever.\n\nIn principle a plant could run out of CO2, but in practice a plant will survive indefinitely in a sealed jar with a bit of soil because bacteria and nema...
[]
[]
[ [ "http://wcmastergardener.org/2013/02/24/53-year-old-terrarium/" ] ]
5d6juj
What were the average prices of firearms in the 1890 era american west?
I have a project I'm working on and can't find much readily avaliable.
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/5d6juj/what_were_the_average_prices_of_firearms_in_the/
{ "a_id": [ "da2920r", "da2ceih" ], "score": [ 12, 4 ], "text": [ "I would suggest finding a period Sears Roebuck catalogue. Sears Roebuck was the Amazon of its day, and sold everything from clothing to medicines to firearms by mail-order.", "This is something that should be simple bu...
[]
[]
[ [], [] ]
31o4s8
hpv -- so there's an std that basically everyone has and it's benign except when it isn't?
I've heard so many different things about HPV -- from doctors, the CDC, and peers -- that I have absolutely no clue what the deal is. A good friend just had an abnormal pap smear and one doctor told her she couldn't have sex for a year and then another said she could because everyone had HPV already. I'm obviously hear...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/31o4s8/eli5_hpv_so_theres_an_std_that_basically_everyone/
{ "a_id": [ "cq3d55i", "cq3d9mf" ], "score": [ 2, 3 ], "text": [ "Everyone is crawling with bacteria and viruses all the time. Having benign bacteria all over helps keep pathogenic ones away. Even different strains of the same bacteria/virus can behave quite differently.\n\nHPV infection i...
[]
[]
[ [ "http://www.cdc.gov/std/hpv/stdfact-hpv.htm" ], [] ]
5mgnr7
why did the dea decide to make cbd a schedule 1 narcotic?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5mgnr7/eli5_why_did_the_dea_decide_to_make_cbd_a/
{ "a_id": [ "dc3gjbk" ], "score": [ 2 ], "text": [ "Because there is a long history of pharmaceutical companies lobbying to have anything that might take some of their money made illegal. CBD oil is making headlines and deserves to be researched. By lobbying to have it made schedule I, there will ...
[]
[]
[ [] ]
hwlzm
A (probably) dumb question about dimensions...
I was just thinking: if we can represent a 3D space on a flat 2D surface, could we have a model in 3D of something that is really "4D"(like, let's say, a function)?
askscience
http://www.reddit.com/r/askscience/comments/hwlzm/a_probably_dumb_question_about_dimensions/
{ "a_id": [ "c1yykhx", "c1yyl8z", "c1yyn5p", "c1yyr1h", "c1yz46q" ], "score": [ 3, 2, 2, 3, 3 ], "text": [ "Absolutely. The [Klein bottle](_URL_0_) is one such example.", "I did some googleing and found this for you, kinda lengthy but it looks like it has the p...
[]
[]
[ [ "http://en.wikipedia.org/wiki/Klein_bottle" ], [ "http://steve.hollasch.net/thesis/chapter4.html" ], [], [ "http://www.youtube.com/watch?v=UnURElCzGc0" ], [ "http://en.wikipedia.org/wiki/Tesseract" ] ]
2svhly
Historians, can you help me identify this money found in my granddad's WWII warchest?
[***Click for the Imgur album***](_URL_0_) My granddad's war chest has a number of interesting items. I'll be posting them at a later time, probably to /r/historyporn. I'm curious as to the provenance and identity of some of these coins, though - any idea as to what they are and whether they are significant? I can ...
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/2svhly/historians_can_you_help_me_identify_this_money/
{ "a_id": [ "cnt942l" ], "score": [ 2 ], "text": [ "These are some interesting but commonly found banknotes.\n\nFrom top to bottom, left to right:\n\n10 000 German Mark, 1920's Weimar Republic/Germany.\n\n1 Pound - Japanese Occupation Currency for Oceania.\n\n10 Pesos - Japanese Occupation Currenc...
[]
[ "http://imgur.com/gallery/7RK1z/new" ]
[ [] ]
32km16
When the Germans were attacking Russia, and winter began, why didnt the Germans simply not take Russian clothing available on site?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/32km16/when_the_germans_were_attacking_russia_and_winter/
{ "a_id": [ "cqc5318" ], "score": [ 4 ], "text": [ "The Soviets implemented a \"scorched earth\" policy designed to deprive the occupying Germans of anything and everything they might use to sustain themselves. This included burning down all usable buildings and their contents, killing any livesto...
[]
[]
[ [] ]
cc5gl6
What did Thomas Jefferson think of the Haitian Revolution?
A lot is said about what Jefferson thought about the French Revolution but what did he think about the ideas of the Hatian Revolution? Did he ignore the ideas presented? Did he respect the people revolting or the counter revolutionaries? Did he not really know much about it? And what did he advise the French do?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/cc5gl6/what_did_thomas_jefferson_think_of_the_haitian/
{ "a_id": [ "etlkols", "etlpcd2" ], "score": [ 111, 21 ], "text": [ "In Thomas Jefferson's letter to Lafayette in 1791, he wrote about the American, French, and Haitian revolutions. He praised the French for \"exterminating the monster aristocracy, & pulling out the teeth & fangs of it...
[]
[]
[ [ "https://www.gilderlehrman.org/sites/default/files/inline-pdfs/T-08063.pdf" ], [ "https://books.openedition.org/pur/43694" ] ]
2btftz
why hasnt a large group of people filed a class action suite against verizon or comcast
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2btftz/eli5_why_hasnt_a_large_group_of_people_filed_a/
{ "a_id": [ "cj8pv4y", "cj8q32k", "cj93g0t" ], "score": [ 10, 8, 2 ], "text": [ "Many service providers in the US, including Comcast, have clauses in their user agreements which actually forbid customers from engaging in class-action lawsuits against the company. In fact, many of t...
[]
[]
[ [], [], [] ]
2wyjzk
why don't we have nintendo wii styled controls for a computer instead of the conventional mouse?
i have my computer hooked up to my TV as a monitor, which is pretty common these days for a lot of people. im just wondering why we don't have the system for controlling your cursor on screen like you do when using the nunchucks on the Wii, but for computers. instead of using an optical mouse that has to move across a ...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2wyjzk/eli5_why_dont_we_have_nintendo_wii_styled/
{ "a_id": [ "covaeve", "covbe65" ], "score": [ 3, 3 ], "text": [ "Because The wii mote is very imprecise for clicking. The ergonomics don't really work well for the complexities of computers.", "If you have a bluetooth adapter in your computer, [you can absolutely use your Wiimote that...
[]
[]
[ [], [ "http://www.makeuseof.com/tag/how-to-connect-your-wiimote-to-your-pc/" ] ]
5xmc03
what is a typical career path taken to become a us ambassadors?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5xmc03/eli5_what_is_a_typical_career_path_taken_to/
{ "a_id": [ "dej6trm" ], "score": [ 2 ], "text": [ "You can be anything you want! You just have to earn a lot of money. Then you donate it to a political party, and use that donation as leverage to get the position!" ] }
[]
[]
[ [] ]
2zz6ls
what do pets think about all day? they must get bored.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2zz6ls/eli5_what_do_pets_think_about_all_day_they_must/
{ "a_id": [ "cpnmywz" ], "score": [ 3 ], "text": [ "Some do which is sometimes why bored dogs for instance destroy furniture" ] }
[]
[]
[ [] ]
45s5wb
excess reserves
Watched Janet Yellen's testimony to congress last week. We pay millions of dollars to Wall Street banks to hold their money in the Federal Reserve. Somehow we also make money on the deal. Yellen seemed to be saying that if we didn't pay Wall Street to hold their money we would have less money going into the Treasury to...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/45s5wb/eli5_excess_reserves/
{ "a_id": [ "czzwfrg" ], "score": [ 2 ], "text": [ " > Watched Janet Yellen's testimony to congress last week. \n\nFor those of who do not want to use up all of our bandwidth, or week-end time, watching 6 hours of very boring you-tube, could you point us to the part that you are talking about?" ...
[]
[]
[ [] ]
5rwsvb
how can gov officials get away with giving seemingly classified information to news outlets?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5rwsvb/eli5_how_can_gov_officials_get_away_with_giving/
{ "a_id": [ "ddarf50" ], "score": [ 2 ], "text": [ " > The official was not authorized to speak publicly on the subject\n\nThat is not the same thing and does not imply that they gave out classified information. What it means is that the employee was not designated as the public spokesperson for ...
[]
[]
[ [] ]
9zus8o
why don’t you bleed out when you get an injection?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9zus8o/eli5_why_dont_you_bleed_out_when_you_get_an/
{ "a_id": [ "eac6mt4", "eac6q9k", "eac70nq", "eacj6yh" ], "score": [ 23, 2, 10, 2 ], "text": [ "There is about 50 processes that occur to act together to clot your blood and plug the hole.\nSome people could bleed out, they are called haemophiliacs, and their blood clotting...
[]
[]
[ [], [], [], [] ]
b6ja5e
how does property line surveying work?
I work in an industry where we use property legal descriptions and have to order property surveys regularly. I don't fully understand what the surveyor does when he goes out to a property to survey it.How does he get the actual measurements? What do the hrs/mins/secs mean exactly?Just trying to get an understanding of ...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/b6ja5e/eli5_how_does_property_line_surveying_work/
{ "a_id": [ "ejkq3yd", "ejkspdy" ], "score": [ 2, 2 ], "text": [ "Property lines is often described using features in the terrain and not necessarily coordinates. And even if there is coordinates they may not have been measured with high accuracy, using old datum or the terrain might have ...
[]
[]
[ [], [] ]
2jn9fc
Isn't it somehow obvious that mathematics don't work with infinite values?
askscience
http://www.reddit.com/r/askscience/comments/2jn9fc/isnt_it_somehow_obvious_that_mathematics_dont/
{ "a_id": [ "cldexq4", "cldffot" ], "score": [ 29, 8 ], "text": [ "Hidden inside your question is another very philosophically deep question: how does math work? As philosophers and mathematicians have concluded over the last few millienia, mathematics \"works\" by establishing a set of gr...
[]
[]
[ [], [] ]
28qe4v
why do computers need screen savers but not tvs?
Computers traditionally have screen savers that come on after a couple of minutes. TVs can be on for hours but don't have screen savers. Why not?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/28qe4v/eli5_why_do_computers_need_screen_savers_but_not/
{ "a_id": [ "cidei5o", "cidf2fx", "cidh1aj" ], "score": [ 6, 24, 13 ], "text": [ "My TV has a screen saver", "Because of [screen burn-in](_URL_0_).\n\nIf you let an old CRT screen display the same image for a longer period of time, that image can be permanently burnt into the s...
[]
[]
[ [], [ "http://en.wikipedia.org/wiki/Screen_burn-in" ], [] ]
30sfp2
Why did China move to simplified characters instead of the traditional ones?
Was there any benefit for doing this? I've never heard of any similar instances.
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/30sfp2/why_did_china_move_to_simplified_characters/
{ "a_id": [ "cpvdily" ], "score": [ 3 ], "text": [ "Short version: because traditional characters, while they make more sense while learning them, are a pain in the ass to write and look very intimidating. The stated benefit was that more people would become literate, which happened (for various r...
[]
[]
[ [] ]
1026ju
Is there any evidence or possibility of truth to the theory that Psilocybin Mushrooms Contributed to Human Evolution?
Terrence McKenna theorized that psilocybin containing mushrooms (shrooms) was what made possible the incredible increase in brain power of humans in the last 100,000 years. First of all, how incredible was this increase in brain power? And could a substance actually be able to contribute to this?
askscience
http://www.reddit.com/r/askscience/comments/1026ju/is_there_any_evidence_or_possibility_of_truth_to/
{ "a_id": [ "c69sc3w" ], "score": [ 4 ], "text": [ "No. It's a fun theory to entertain if you do a lot of drugs, but that's not how evolution (at this stage) works. Basically, evolution comes from mutations that are passed down through heredity. In other words, even if you gained a higher level of...
[]
[]
[ [] ]
30vr4s
why is the proportion of left-handed people so small in comparison to right-handed people? shouldn't it be closer to 50:50 than the 10:90 ratio we see today?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/30vr4s/eli5_why_is_the_proportion_of_lefthanded_people/
{ "a_id": [ "cpw9uym" ], "score": [ 3 ], "text": [ "Once humans starting using tools, handedness started to matter. A left handed person would be a disadvantage using tools make for right handed people.\n\nOn the other hand, with weapons, being left handed could be an advantage, if everyone was u...
[]
[]
[ [] ]
17no3n
Can tungsten survive lava?
I read that tungsten boils at like, 3000 degrees Celsius, and that lava burns at around 900 to 1200 Celsius, so what would happen if you put tungsten in lava? (I'm assuming it's pure, because unpure is supposed to be brittle?)
askscience
http://www.reddit.com/r/askscience/comments/17no3n/can_tungsten_survive_lava/
{ "a_id": [ "c875g3n" ], "score": [ 3 ], "text": [ "Tungsten **melts** at 3422°C (it boils at a much higher temperature). Pāhoehoe is one of the hotter types of lava, at about 1200°C.\n\nSo nothing would happen. It would get hot, but not melt. There are plenty of elements/metals that have melti...
[]
[]
[ [] ]
g139e
ferrofluid carrier fluid?
I'm looking for something to hold my ferrofluid in as I bought some of the raw stuff which stains like hell and makes glass dirty. Also water kinda works but it really weakens the effect of the fluid i.e. it loses it's spikes. So I was wondering if there is something that could keep it suspended, working and from stai...
askscience
http://www.reddit.com/r/askscience/comments/g139e/ferrofluid_carrier_fluid/
{ "a_id": [ "c1k5ft9" ], "score": [ 3 ], "text": [ "Did you make the carrier fluid yourself?\n\nWhat was it already made out of?\n\nA quick perusal of google suggests it's most commonly made with Kerosene and Oleic acid." ] }
[]
[ "http://www.liv.ac.uk/chemistry/Events/SchoolsEvents/Ferrofluids/photos/ferrofluid_spikes.jpg", "http://www.reddit.com/r/chemistry/comments/g134y/ferrofluid_carrier_fluid/", "http://www.interactivearchitecture.org/wp-content/imagebank/fluid_demo.jpg" ]
[ [] ]
73s4xx
how can an mri show the side of the body if the person is lying on their back?
E.g. Injury to the side of a knee but injured side isn't facing up, etc.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/73s4xx/eli5_how_can_an_mri_show_the_side_of_the_body_if/
{ "a_id": [ "dnsneqj", "dnsuwtm" ], "score": [ 3, 2 ], "text": [ "It scans all around you, not just from one direction. \n\n[MRI machine](_URL_0_). See how it is round and surrounds your entires body?", "MRI machine image all around you producing a 3d image. You can then view this imag...
[]
[]
[ [ "https://upload.wikimedia.org/wikipedia/commons/b/bd/Modern_3T_MRI.JPG" ], [] ]
egxzul
how is digesting liquids possible?
How can a liquid (stomach acid) digest another liquid And also How does stomach acid not get diluted by other liquids
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/egxzul/eli5_how_is_digesting_liquids_possible/
{ "a_id": [ "fcauksr", "fcbfdkt" ], "score": [ 3, 2 ], "text": [ "Digesting is just breaking down things into small things, then breaking those down into tiny things so you can absorb them. You break proteins down into little amino acid blocks, break down carbs into small pieces, and brea...
[]
[]
[ [], [] ]
1d442w
Why was human anatomy poorly drawn in ancient works of art?
Such as this Greek Art of [Hercules](_URL_1_), yet [the statue](_URL_0_) is more anatomically accurate? Another more recent example being a painting by a follower of Hieronymous Bosch, showing [Christ in Limbo c.1575](_URL_3_) In just a few hundred years, people began to paint more [like this](_URL_2_) * What is th...
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/1d442w/why_was_human_anatomy_poorly_drawn_in_ancient/
{ "a_id": [ "c9mrql1", "c9nfti9" ], "score": [ 5, 2 ], "text": [ "Not a professional historian, but I have read much on this on my own. Really the question here is fundamentally about the purpose of representational art.\n\nIn many cultures, paintings were not meant to be interpreted at fa...
[]
[ "http://www.art-prints-on-demand.com/kunst/anonymous/statue_hercules_hi.jpg", "http://www.theoi.com/image/K9.6Ares.jpg", "http://i.imgur.com/DQCOvBx.jpg", "http://upload.wikimedia.org/wikipedia/commons/3/3c/Follower_of_Jheronimus_Bosch_Christ_in_Limbo.jpg" ]
[ [ "http://en.wikipedia.org/wiki/Bust_of_Nefertiti" ], [] ]
ezz0t4
what is technical the difference between a thread and an async-operation?
I assume that two threads are working on a single cpu like this: | Thread1 | Thread2 | |---------|---------| | a1 | b1 | | a2 | b2 | | a3 | b3 | And are batched like this on the CPU a1-b1-a2-b2-a3-b3
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/ezz0t4/eli5_what_is_technical_the_difference_between_a/
{ "a_id": [ "fgqjtm4", "fgqmm4a", "fgqtmbt" ], "score": [ 2, 4, 2 ], "text": [ "A thread is a *long-lived* independent running part which is *initiated by the main program*, for example receiving traffic from a network device and once it has received enough, inform the main program...
[]
[]
[ [], [], [] ]
112zx6
What started the European explorers craze that got them discovering the new world and Asia?
Was it just searching for trade? Why did it start then and not in the past? And why was it just Europeans doing the explorations?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/112zx6/what_started_the_european_explorers_craze_that/
{ "a_id": [ "c6iuopn" ], "score": [ 5 ], "text": [ "Money, prestige, and the struggle for dominance over rival nations. The usual suspects.\n\nIt started with Portuguese attempts to corner the spice trade to and from the East Indies by getting ships around Africa (to circumvent the Ottoman contro...
[]
[]
[ [] ]
atrl6u
investing: buying stocks, selling stocks. eh?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/atrl6u/eli5_investing_buying_stocks_selling_stocks_eh/
{ "a_id": [ "eh31c89" ], "score": [ 2 ], "text": [ "A stock is a piece of the company. If the company issues 1000 stocks, and you own 100 stocks, you essentially own 10% of the company.\n\nThe main reason for buying stocks is investment. If the company makes a profit, the company is worth more, so...
[]
[]
[ [] ]
ew4ev5
why does a yawn filter out any deep bass sounds?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/ew4ev5/eli5_why_does_a_yawn_filter_out_any_deep_bass/
{ "a_id": [ "ffzs1zp", "fg09h98" ], "score": [ 52, 3 ], "text": [ "The inner ear is normally sealed, air can’t get in or out. However there is a tube connecting it to the throat so that pressure can be equalised. When you yawn these tubes open. The same thing happens when you swallow and i...
[]
[]
[ [], [] ]
2h0ahi
If fusion naturally occurs in stars, does fission occur naturally anywhere or only under manmade conditions?
askscience
http://www.reddit.com/r/askscience/comments/2h0ahi/if_fusion_naturally_occurs_in_stars_does_fission/
{ "a_id": [ "cko67ez" ], "score": [ 6 ], "text": [ "A few nuclei, including some uranium isotopes, fission spontaneously. However this process is very rare. Most fission processes are induced by neutrons, which requires a large assemblage of radioactive and fissile material, and the right geolog...
[]
[]
[ [ "http://en.wikipedia.org/wiki/Natural_nuclear_fission_reactor", "http://mragheb.com/NPRE%20402%20ME%20405%20Nuclear%20Power%20Engineering/Natural%20%20Nuclear%20Reactors,%20The%20Oklo%20Phenomenon.pdf" ] ]
skwpw
What natural disaster significantly changed the course of history?
Aside from the black plague(which probably isn't considered to be part of this category), I've heard very little in regards to this question. What would you consider to be one of the most important/significant natural disasters in history? Frankly ANY sort of information would be fascinating to me.
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/skwpw/what_natural_disaster_significantly_changed_the/
{ "a_id": [ "c4etkgw", "c4eu71n", "c4euhn8", "c4eurew", "c4euzn2", "c4ew1ua", "c4ewqib", "c4exsya", "c4f0k3e", "c4f12l7", "c4f2vcz", "c4fq1l6" ], "score": [ 2, 21, 4, 4, 20, 10, 6, 5, 7, 3, 3, 2 ], "text": [ "I...
[]
[]
[ [], [ "http://en.wikipedia.org/wiki/Lisbon_earthquake" ], [ "http://en.wikipedia.org/wiki/Year_Without_a_Summer" ], [ "http://en.wikipedia.org/wiki/List_of_epidemics", "http://en.wikipedia.org/wiki/List_of_pandemics", "http://en.wikipedia.org/wiki/Great_Famine_of_1315%E2%80%931317", ...
b0v5tc
how do photographers who print a lot of tourist photos make a profit if not everything they printed is sold? how does their business model work?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/b0v5tc/eli5_how_do_photographers_who_print_a_lot_of/
{ "a_id": [ "eiheojx", "eihfumx" ], "score": [ 2, 2 ], "text": [ "Selling 1 photo pays for a LOT of unsold ones and people are more likely to buy something they can physically see in front of them then on a screen and then wait for it to be printed.", "Printing them takes time, particu...
[]
[]
[ [], [ "https://www.thesimpledollar.com/does-home-photo-printing-really-save-money/" ] ]
6l8aj6
How did people precisely control the temperature of ovens for baking at specific temperatures?
Many very old baking recipes require ovens be kept to close to the same specific temperature such as 450^o or 375^o for close to an hour. How was this achieved with wood based fire ovens? How did people know when the fire was the right temperature and how did they keep it that way long enough to bake bread or a cake?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/6l8aj6/how_did_people_precisely_control_the_temperature/
{ "a_id": [ "djs03p2" ], "score": [ 18 ], "text": [ "A bake oven is a very big pile of masonry. Get all that thermal mass up to temperature, and it will fluctuate fairly little, and occasional stoking with a little wood can keep it hot. This is why baking was commonly done either by bakers, all...
[]
[]
[ [] ]
cm3xvu
pcr's (polymer chain reactions)
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/cm3xvu/eli5_pcrs_polymer_chain_reactions/
{ "a_id": [ "evzsvud" ], "score": [ 2 ], "text": [ "So it's been a while since I've done it but here goes : Think of DNA like a zipper. Pull the 2 sides apart and then cut the 2 single strands into chunks. With spare zipper teeth (ACTG) you can build 2 new strands, zip it back together and now ...
[]
[]
[ [] ]
40v454
how do news agencies decide what is a national story?
News outlets seem to do a very good job at selecting what to cover and in effect controlling the dialog. On any given day there are thousands of possible news stories that could make it into the news. Some stories are obviously a given, like national disasters, big announcements by public figures or organizations, new ...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/40v454/eli5_how_do_news_agencies_decide_what_is_a/
{ "a_id": [ "cyxecr4" ], "score": [ 2 ], "text": [ "Great question. The short version is that the news outlets have an editorial meeting every day or every shift to discuss ideas and assign reporting staff to the stories. Many stories come from press releases or public tips. Many more come from r...
[]
[]
[ [] ]
xa4ju
What would a tub full of viruses look like?
This is just a random thought I had, but say we had a clear plastic tub full of some ridiculous number of some virus bodies such that the only thing in the tub is them. Would it resemble some sort of protein goop or liquid and what would the color of said mass be depending on the virus?
askscience
http://www.reddit.com/r/askscience/comments/xa4ju/what_would_a_tub_full_of_viruses_look_like/
{ "a_id": [ "c5kjqnc", "c5kku73" ], "score": [ 17, 3 ], "text": [ "Hey there! I work with viruses, and this is what I can tell you: \n\nWhen we infect cells, we use vials of virus stockseed, which, depending on which virus you're working with, is essentially a purified suspension of virus...
[]
[]
[ [], [] ]
1vzatt
if websites like youtube can shorten their url for "sharing" purposes, why can't the url just naturally be shorter?
This also goes for any other websites with long URL's seeing as how there are places where you can shorten the link significantly.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1vzatt/eli5_if_websites_like_youtube_can_shorten_their/
{ "a_id": [ "cex7nja", "cexdvgj", "cexgr18" ], "score": [ 6, 5, 7 ], "text": [ "Taking Youtube as an example, if you actually pay attention to what is in the URI, you might see that this is where different options are passed about what you want to see. For example, if you watch a v...
[]
[]
[ [], [ "youtu.be", "http://youtu.be/dQw4w9WgXcQ", "http://goo.gl/", "Youtube.com", "ow.ly", "goo.gl", "https://bitly.com/", "http://www.youtube.com/watch?v=dQw4w9WgXcQ", "http://ow.ly/" ], [ "company.com/products/whatever", "company.com/products/huge-fuckass-dildo-wi...
602s6d
how come when having a sickness that requires medicine, i have to do it in a span of a week or a few days?
Why can't I ingest it as much as I can? Wouldn't the sickness be cured faster when doing so, following common sense?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/602s6d/eli5_how_come_when_having_a_sickness_that/
{ "a_id": [ "df31k06" ], "score": [ 15 ], "text": [ "Accomodating the poor English, are you asking why you can't take the whole course of medication at once?\n\nLet's use the antibiotic 'Gentamycin' for example. The drug is not easily filtered out by the kidneys, and an overdose would cause the ki...
[]
[]
[ [] ]
400x08
Do we believe the figures for Ancient Battles?
It would be useful to know: What's the consensus on the believability of the figures for ancient battles? For example, Zosimus has Palmyra fielding an army of 70,000 in the AD270s. (_URL_0_ search for "seventy") That's roughly the same size as the French army at Waterloo. Do we believe these figures? Divide them by ...
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/400x08/do_we_believe_the_figures_for_ancient_battles/
{ "a_id": [ "cyqmvjl" ], "score": [ 7 ], "text": [ "This topic, depending on the battle, can be hotly debated among historians. Occasionally archeological evidence can shed light on the battles, but often historians must defer to the written record. That said, most historians won't take the figues...
[]
[ "http://www.tertullian.org/fathers/zosimus01_book1.htm" ]
[ [] ]
196dsv
relative to the size of time and space today, how big was the dot of condensed matter before the big bang.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/196dsv/relative_to_the_size_of_time_and_space_today_how/
{ "a_id": [ "c8l9huo", "c8laeb1" ], "score": [ 4, 2 ], "text": [ "First off, \"before\" the big bang is an absurd qualifier. Time, space and possibly causality too, originated at the big bang. Asking what happened \"before\" that is like asking what's north of the north pole - in other wor...
[]
[]
[ [ "http://en.wikipedia.org/wiki/Not_even_wrong" ], [] ]
76ij08
if our body focused on preventing telomere reduction, what changes might our bodies experience?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/76ij08/eli5_if_our_body_focused_on_preventing_telomere/
{ "a_id": [ "doe9eqh", "doeabno" ], "score": [ 5, 6 ], "text": [ "To prevent telomere reduction, your cells have to stop dividing. If you meant regenerating telomeres, I don't have the answer for that", "Cancer. Cells continuing to divide with no limit is called cancer.\n\nIf you mean ...
[]
[]
[ [], [] ]
ajce0s
what is the difference in propaganda and fake news
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/ajce0s/eli5_what_is_the_difference_in_propaganda_and/
{ "a_id": [ "eeubao7", "eeubd2q", "eeucayd" ], "score": [ 3, 3, 2 ], "text": [ "Well, one thing to be cautious of, is that 'fake news' is thrown around with relative abandon today, even against news that is not, in fact, fake *or* propaganda, merely which contrasts against the view...
[]
[]
[ [], [], [] ]
bwc53q
Did the Strategic Defense Initiative Real aka "Star Wars" really help Bankrupt the Soviet Union ?
edit: typo in the tittle, sorry. I've often heard it parroted that the Soviet response to the SDI and ensuing economic pressure helped hasten collapse of the USSR. Is there any truth to this? What was the Soviet's response to the SDI?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/bwc53q/did_the_strategic_defense_initiative_real_aka/
{ "a_id": [ "epwjgg2", "epwjobc" ], "score": [ 21, 10 ], "text": [ "No. This is a post-Cold War myth, written largely by people who would like to make SDI not appear to be the boondoggle it was, or to make it look like something that had a positive effect on diplomacy, rather than the more...
[]
[]
[ [ "https://thebulletin.org/2013/04/shooting-down-the-star-wars-myth/", "http://scienceandglobalsecurity.org/archive/2017/01/did_star_wars_help_end_the_col.html" ], [ "https://www.reddit.com/r/AskHistorians/comments/8cnm73/did_reagans_star_wars_project_really_contribute/" ] ]