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 |
|---|---|---|---|---|---|---|---|---|---|
1vdueh | how do websites, such as _url_0_, that have no advertisements and provide a free service stay in operation and even grow larger? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1vdueh/eli5how_do_websites_such_as_craigslistcom_that/ | {
"a_id": [
"cer8xhh",
"cer9cnx",
"cerb6w8"
],
"score": [
2,
8,
3
],
"text": [
"The overhead to run craigslist is pretty minimal, meaning much of it is automated and web hosting is pretty cheap these days.\n\nSomeone, somewhere, is running craigslist as a business expense, and usin... | [
"craigslist.com"
] | [] | [
[],
[],
[
"http://www.craigslist.org/about/help/posting_fees"
]
] | ||
1056j8 | Why is mathematics -- something humans develop in their own heads -- so effective when it comes to describing the external, physical world? | askscience | http://www.reddit.com/r/askscience/comments/1056j8/why_is_mathematics_something_humans_develop_in/ | {
"a_id": [
"c6ahhhl",
"c6ahj8u",
"c6aj4c5",
"c6alo0a",
"c6amqhb"
],
"score": [
9,
36,
2,
5,
3
],
"text": [
"Perhaps the question can be phrased differently:\n\nHow can humans be so effective at perceiving at describing mathematical patterns inherent to the external... | [] | [] | [
[],
[],
[],
[],
[
"http://en.wikipedia.org/wiki/The_Unreasonable_Effectiveness_of_Mathematics_in_the_Natural_Sciences"
]
] | ||
73h2yy | why is "w" pronounced "double u" and not "wee"? | English consonants are generally sounded out by adding "ee" after the letter, e.g., "Bee" for "B", "Dee" for "D," and so on. So why does W stand out, the only letter that is described using an adjective with another letter of the alphabet? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/73h2yy/eli5_why_is_w_pronounced_double_u_and_not_wee/ | {
"a_id": [
"dnq8fbn",
"dnq8mk4",
"dnqbcuu"
],
"score": [
5,
13,
3
],
"text": [
"At a very basic level, it's because W literally came from two Us, hence \"double U\". Hundreds of years ago, there was no distinction between U and V. U was written as a V and so two Vs made W. Later, ... | [] | [] | [
[],
[],
[]
] | |
6xnn3s | How correct is it to say that the IRA practically invented modern urban guerrilla warfare? How did the lessons learned by their struggle against the British affect other urban insurrections around the world? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6xnn3s/how_correct_is_it_to_say_that_the_ira_practically/ | {
"a_id": [
"dmh6sih"
],
"score": [
95
],
"text": [
"Adapted from an old answer of mine:\n\nThe influence of Michael Collins and the pre-Irish Civil War IRA on post-1920s guerrilla campaigns is low and reached its peak in the late 1940s. Yitzhak Shamir, the leader of the Stern gang (or more offici... | [] | [] | [
[]
] | ||
3o56n6 | Could we deplete the earth's core of heat? | Geothermal energy confuses me and I couldn't figure out how you could deplete the energy from the PV=nRT equation in the earth which causes it to have a greater Temperature due to pressure. If you removed that Temperature wouldn't the pressure still be the same because the force of gravity would increase it? I'm 100% I... | askscience | https://www.reddit.com/r/askscience/comments/3o56n6/could_we_deplete_the_earths_core_of_heat/ | {
"a_id": [
"cvu77f8"
],
"score": [
6
],
"text": [
" > Could we deplete the earth's core of heat?\n\nNo. Not in any realistic scenario. We are too puny. Also, the geothermal energy is slowly dissipating in space even without our help.\n\nThe equation you are using is about *ideal* gases, and the ... | [] | [] | [
[]
] | |
37v4sg | what happens when someone declares bankrupcy in us. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/37v4sg/eli5_what_happens_when_someone_declares_bankrupcy/ | {
"a_id": [
"crq1ygi"
],
"score": [
2
],
"text": [
"Don't know about people. When companies go bankrupt, it actually can help. This is an ELI5 of what happens:\n\n0.) **why does it exist?** - the issue in bankruptcy is that there's not enough money left (in terms of assets) to pay off all of the ... | [] | [] | [
[]
] | ||
3e8efn | Did armies ever send out one champion from each side to battle it out and winner takes all, instead of having everyone fight? | Just curious if armies have ever done this to save many lives from being killed.
Edit: Thanks for all the comments so far everyone! | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3e8efn/did_armies_ever_send_out_one_champion_from_each/ | {
"a_id": [
"ctcl6io",
"ctcu3tt",
"ctcv03x",
"ctda6yq"
],
"score": [
9,
2,
4,
4
],
"text": [
"Judicial duels in Russia known for a long time. According said the Arab writers, X century Amin Razi and Mukaddezi depicting tradition Russes, \"when the king decides to dispute be... | [] | [] | [
[],
[],
[
"http://www.perseus.tufts.edu/hopper/text?doc=Liv.%201.24&lang=original"
],
[]
] | |
3htwvq | How come Ireland adopted the language of England, but not its religion, while Finland adopted the religion of Sweden, but not its language? | Before the 20th Century, Ireland and Finland were both in similar positions of being ruled for centuries by their more powerful neighbours (Britain and Sweden). But in one case the religion and not the language was adopted, and in the other the reverse happened. Why was this? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3htwvq/how_come_ireland_adopted_the_language_of_england/ | {
"a_id": [
"cuakxpr",
"cuaoqlz",
"cuaphbj",
"cuapxt8",
"cuavurq",
"cuazzcd",
"cubhu23"
],
"score": [
358,
283,
112,
10,
8,
4,
3
],
"text": [
"I can't speak to Finland and Sweden, but in Ireland, English was pretty heavily enforced as a language by t... | [] | [] | [
[],
[],
[],
[
"https://www.reddit.com/r/AskHistorians/comments/3htwvq/how_come_ireland_adopted_the_language_of_england/cuhpyko"
],
[],
[],
[]
] | |
7e1at2 | how do music/video editing programs isolate vocals, frequency, pitch, etc.? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7e1at2/eli5_how_do_musicvideo_editing_programs_isolate/ | {
"a_id": [
"dq1pqbf",
"dq1u5eg",
"dq1v5dv"
],
"score": [
4,
4,
2
],
"text": [
"It’s pretty complex but I think what you don’t understand is that the editing softwares are not meant to isolate anything, they’re meant to take the isolated vocals and turn them into a final product. S... | [] | [] | [
[],
[],
[]
] | ||
3biv3t | Why does happy instrumental music sound happy to us? | askscience | http://www.reddit.com/r/askscience/comments/3biv3t/why_does_happy_instrumental_music_sound_happy_to/ | {
"a_id": [
"csmncq9",
"csn6fmq",
"csneboh"
],
"score": [
8,
8,
2
],
"text": [
"Because you have seen similar music used in contexts that were happy or meant to evoke happiness, like in movies where the protagonists experience joy. You now subconsciously associate those instrumenta... | [] | [] | [
[],
[],
[
"http://bagger288.com/goldenmaster/wp-content/uploads/2012/01/STA-harmonic-series.jpg",
"http://www.minelab.com/__files/i/5894/SineWave.gif"
]
] | ||
98pfb5 | In the early days of firearms (16th and 17th centuries) how did one go about treating gunshot and cannon wounds? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/98pfb5/in_the_early_days_of_firearms_16th_and_17th/ | {
"a_id": [
"e4httab"
],
"score": [
4
],
"text": [
"Hi, not discouraging other contributions here, but you might be interested in some earlier answers\n\n* /u/xRathke provides an overview of medical thought in [What did pre-germ theory people think was going on when a cut got infected?](_URL_2_)\n... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/5vrgav/during_the_buccaneering_era_of_piracy_16501680/",
"https://www.reddit.com/r/AskHistorians/comments/1eau3f/us_military_history_i_made_it_back_alive_but_ive/",
"https://www.reddit.com/r/AskHistorians/comments/885svl/what_did_pregerm_theory_people_t... | ||
1uxu58 | if your pouring molten steel into a cast, what prevent the cast from melting or distorting? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1uxu58/eli5_if_your_pouring_molten_steel_into_a_cast/ | {
"a_id": [
"cemq73m",
"cemrhhf"
],
"score": [
3,
2
],
"text": [
"By having a different melting temperature than the metal that is being poured into it.",
"sand and plaster in a container to hold them in place. internal distortion is controlled with binders in the sand. Bentonite and h... | [] | [] | [
[],
[]
] | ||
zwc9s | how do they get the caramel in the caramilk? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/zwc9s/eli5_how_do_they_get_the_caramel_in_the_caramilk/ | {
"a_id": [
"c68bki5"
],
"score": [
2
],
"text": [
"First they form the top of the bar. Looks like an ice cube tray. They then turn it over and fill the depressions with caramel. Then they place a chocolate slab on top (and that is the bottom). \nLook at the bar and you can see the seam\n\nYou owe... | [] | [] | [
[]
] | ||
6phxcj | In whaling times, how were organic products preserved on board long enough to make it to market? | Since whale oil was a frequent product of the past, how did whalers preserve their product on the journey home, which at times could be longer then the shelf life of a dead animal? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6phxcj/in_whaling_times_how_were_organic_products/ | {
"a_id": [
"dkpu958"
],
"score": [
17
],
"text": [
"Whale oil itself will not mold or rot and even is fairly resistant to rancidity (more so even than most vegetable oils). This shouldn't be too surprising as it exists naturally in large volumes inside the whale and if it required a lot of upkeep... | [] | [] | [
[]
] | |
148xef | Did all land-dwelling creatures evolve from one, the first and only, amphibious creatures? | I was watching a show on Discovery about the evolution of human, starting from prokaryotes and eukaryotes.
Discovery claimed that fish were chased to shallow waters where the oxygen content was low and so they were eventually forced to pull themselves out of the water. This single species of animals that pulled itsel... | askscience | http://www.reddit.com/r/askscience/comments/148xef/did_all_landdwelling_creatures_evolve_from_one/ | {
"a_id": [
"c7b4khc"
],
"score": [
3
],
"text": [
"The answer is no. Tetrapods, insects, crustations (several times), arachnids, meriopods, velvet worms, molluscs (several times), etc all invaded land separately.\n\n > But I find it hard to believe that one amphibious creature gave rise to every ... | [] | [] | [
[]
] | |
2gemn1 | why do all animals, even insects, seem to go nuts over the red dot? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2gemn1/eli5_why_do_all_animals_even_insects_seem_to_go/ | {
"a_id": [
"ckielrb",
"ckii8r9",
"ckiogn0",
"ckipbm7",
"ckiq7d6",
"ckiuchs"
],
"score": [
1497,
23,
3,
10,
195,
12
],
"text": [
" > Felidae (all kinds of cats from large to small) brains and eyes are geared to a) notice motion and b) play with their prey. P... | [] | [] | [
[
"http://www.reddit.com/r/explainlikeimfive/comments/1j2tco/why_do_cats_chase_laser_pointers/"
],
[],
[],
[],
[
"http://en.wikipedia.org/wiki/Supernormal_stimulus#In_Biology",
"http://en.wikipedia.org/wiki/Biological_motion"
],
[]
] | ||
12kn6e | Are Induced Pluripotent Stem Cells as advantageous as Embryonic Stem Cells, research wise? | So I was researching the most recent news since the Chick fil A fiasco. Noticed one of the organizations they donated to is "Focus on the Family." Went to their website, saw they had a page dedicated to their position on stem cell research. I don't personally have any qualms with embryonic stem cell research. In the wo... | askscience | http://www.reddit.com/r/askscience/comments/12kn6e/are_induced_pluripotent_stem_cells_as/ | {
"a_id": [
"c6vv65k",
"c6vwpqj",
"c6vz2gz"
],
"score": [
3,
2,
2
],
"text": [
"Short answer is no. While iPS cells have a lot of potential, they simply are not as undifferentiated as ES cells. This means ES cells can be used for a wider variety of purposes more effectively. Potent... | [] | [] | [
[
"http://onlinelibrary.wiley.com/doi/10.1002/stem.788/full"
],
[],
[]
] | |
5lb5bi | How effective would a stirling engine that is orbiting the sun be? | I remember hearing somewhere that in space its super hot in the light of the sun and super cold in shadow. Is it reasonable that you could have a stirling engine orbiting the sun, with one plate casting a shadow on the second plate of the engine to produce a massive temperature difference between the two plates? | askscience | https://www.reddit.com/r/askscience/comments/5lb5bi/how_effective_would_a_stirling_engine_that_is/ | {
"a_id": [
"dbufv8p",
"dbulxrp"
],
"score": [
4,
3
],
"text": [
"It is possible. The main problems are that stuff with moving parts generally need a lot of maintenance, and that stirling engines involve gas, which is hard to keep hold of in space. It would also have to radiate the heat aw... | [] | [] | [
[],
[]
] | |
1nxj47 | why are there so many atheists on reddit? | This isn't meant to be condescending to anyone's beliefs in any way. I'm just genuinely curious. Aside from the specific "atheism" themed subreddits, nothing about Reddit exactly seems to promote atheism in any way, but yet it seems as though the vast majority of people on here are atheist. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1nxj47/eli5_why_are_there_so_many_atheists_on_reddit/ | {
"a_id": [
"ccmykxn",
"ccmym5w",
"ccmz4oj",
"ccmzhx8",
"ccmzmh9",
"ccmzppk"
],
"score": [
3,
15,
6,
10,
9,
2
],
"text": [
"The site is generally full of younger people more likely to be Atheist, and a lot of the popular reddit sections are based on learning... | [] | [] | [
[],
[
"http://www.pewforum.org/2010/02/17/religion-among-the-millennials/"
],
[],
[],
[],
[]
] | |
72l9m2 | Why do some scientist think that in multiverse theory, the laws of physics would be different to our own universe? | askscience | https://www.reddit.com/r/askscience/comments/72l9m2/why_do_some_scientist_think_that_in_multiverse/ | {
"a_id": [
"dnjvzpp",
"dnjzc50",
"dnk3so9",
"dnllbrt"
],
"score": [
6,
5,
6,
2
],
"text": [
"There are many multiverse theories, but the most popular one right now is eternal inflation.\n\nIn eternal inflation the inflaton field, which is postulated to have driven the post... | [] | [] | [
[],
[],
[],
[]
] | ||
1pbdev | what (if any) is the practical biological purpose of my beard? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1pbdev/eli5_what_if_any_is_the_practical_biological/ | {
"a_id": [
"cd0mkf8",
"cd0mrj3",
"cd0mzdr",
"cd0n9ap",
"cd0ncp0",
"cd0nlou",
"cd0nm5f",
"cd0nopi",
"cd0nq0p",
"cd0nyhh",
"cd0nytb",
"cd0o6wm",
"cd0og66",
"cd0oguc",
"cd0pcvn",
"cd0rvw4",
"cd0rz4f",
"cd0sc6e",
"cd0tysd",
"cd0u87i",
"c... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | ||
14qa3j | Why is Nicolas II of Imperial Russia perceived as an incompetent ruler? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/14qa3j/why_is_nicolas_ii_of_imperial_russia_perceived_as/ | {
"a_id": [
"c7fgc5a",
"c7fh5pz",
"c7fh9p8"
],
"score": [
7,
8,
3
],
"text": [
"Editing to not be an asshole to the OP. \n\nYou noted that he was perceived as incompetent. His competency or lack thereof is difficult to gauge from outside historical context. What we do know is the r... | [] | [] | [
[],
[],
[]
] | ||
w3h1m | "Spin" of elementary particles | I am vaguely aware of the concept, as I have taken a basic Chemistry course (Pauli Exclusion principal and all that jazz), but I never really understood what the idea of "spin" meant. Does this mean that the particles are actually spinning in the sense that they have angular momentum, like a child's top, or do physicis... | askscience | http://www.reddit.com/r/askscience/comments/w3h1m/spin_of_elementary_particles/ | {
"a_id": [
"c59wgpd",
"c59wiku",
"c59z7g3",
"c5a0c9l"
],
"score": [
32,
31,
2,
5
],
"text": [
"[Searched](_URL_2_)\n\nRelevant [discussion](_URL_0_)\n\nOriginal question by [pryomancer](_URL_1_)\n\n > What is meant by the spin of an elementary particle?\n\nTop comment cour... | [] | [
"http://en.wikipedia.org/wiki/Spin_(physics)"
] | [
[
"http://www.reddit.com/r/askscience/comments/kkdy4/what_is_meant_by_the_spin_of_an_elementary/",
"http://www.reddit.com/user/pryomancer",
"http://www.reddit.com/search?q=particle+spin",
"http://www.reddit.com/user/dantastical",
"http://www.reddit.com/user/mufusisrad"
],
[],
[
"http:/... | |
3h90k1 | how come people in america need $15/hr jobs if people from asia can apparently live off ridiculous wages like $2/hr? | What causes everything to be so expensive in America vs. other countries? Why don't prices fall to meet those other nations when things like outsourcing and free trade come up? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3h90k1/eli5_how_come_people_in_america_need_15hr_jobs_if/ | {
"a_id": [
"cu5bfnb",
"cu5bhse",
"cu5bv3d",
"cu5eo7d",
"cu5fcds"
],
"score": [
46,
3,
5,
5,
15
],
"text": [
"Accepted standards of living, and societal expectations of what you will be capable of doing. \n\nOur standard of living requires that everyone have enough ... | [] | [] | [
[],
[
"http://cdn.travelwireasia.com/wp-content/uploads/2013/05/JapanCapsuleHotel-654x424.jpg"
],
[],
[],
[
"https://en.wikipedia.org/wiki/Purchasing_power_parity"
]
] | |
a6muwx | what is the difference between disk capacity and density with a ssd? | I'm trying to upgrade my system and have a vague idea. Want to clarify before I buy. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a6muwx/eli5_what_is_the_difference_between_disk_capacity/ | {
"a_id": [
"ebw91ei"
],
"score": [
7
],
"text": [
"Capacity is what you really want, that's how much total storage the drive provides\n\nDensity is about how much storage we can fit in one flash chip. Higher density chips enable higher capacity drives in the same size, or drives with the same cap... | [] | [] | [
[]
] | |
22rxps | Why have Argentine and Chilean political cultures been different? | Why have the Argentine and Chilean political cultures been different (despite some similarities, including tremendous British economic influence in the 19th and early 20th centuries plus World War I and II neutrality) throughout their history? Did it have to with Chile, compared to Argentina, a) having a smaller popul... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/22rxps/why_have_argentine_and_chilean_political_cultures/ | {
"a_id": [
"cgq6c1f"
],
"score": [
2
],
"text": [
"I would say Chile's geographic isolation had a key role. Have a desert in the north and a frozen wasteland to the south tends to place the heart of the populace in the center. That eliminates the problem of regionalism that other countries at the... | [] | [] | [
[]
] | |
7p0y89 | If the M14 was readily available and known to be a good weapon then why was the M16 used in Vietnam? | It seems like the m16 was a bad rifle, poorly made and prone to jamming with weaker rounds than opposing ak models. Why was it used when automatic m14s were around? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7p0y89/if_the_m14_was_readily_available_and_known_to_be/ | {
"a_id": [
"dse3uat",
"dse4hsf",
"dsea2bq"
],
"score": [
52,
29,
18
],
"text": [
"The development and testing of the m16 is one fraught with bureaucracy and was generally mishandled by people who either: 1) had little experience with small arms design (ie generals) and 2)Those tha... | [] | [] | [
[
"https://www.forgottenweapons.com/jim-sullivan-on-the-m16-in-vietnam/",
"http://www.smallarmsreview.com/display.article.cfm?idarticles=1735"
],
[],
[]
] | |
2klv9y | eli:5 - what is with the giant outrage of texas demanding id for voting? | I understand a lot of underprivileged adults don't have the valid identification required to actively vote. If we don't hold up for voter fraud inciting instances that, like the 2000 request for recount by the Bush Administration, completely change the outcome of the election. Why are people saying doing these things a... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2klv9y/eli5_what_is_with_the_giant_outrage_of_texas/ | {
"a_id": [
"clsobjo",
"clmion5",
"clmjufr",
"clmkoms",
"clml719",
"clmmjyw"
],
"score": [
2,
7,
3,
3,
2,
3
],
"text": [
"I don't know how many Texans are commenting here but as one I'd like to believe that Americans are the only ones determining the outcome... | [] | [] | [
[],
[],
[],
[],
[
"http://thinkprogress.org/election/2012/06/25/505953/pennsylvania-republican-voter-id-laws-are-gonna-allow-governor-romney-to-win/",
"http://thinkprogress.org/justice/2013/07/17/2313571/top-pennsylvania-republican-admits-voter-id-helped-suppress-obama-voters/"
],
[]
] | |
28zcjp | How accurate is Da Vinci's painting of the Last Supper from what people at the time would have visualized the Last Supper as? | When people were taught about that event, would they have been taught to have visualized all of them on the same side of the table, that big of a room, etc? Or was it painted with specific details that were requested?
Edit: Also, what would the customs of been for eating at a meal like that one when it was originally ... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/28zcjp/how_accurate_is_da_vincis_painting_of_the_last/ | {
"a_id": [
"cig5fb2",
"cigqd1y"
],
"score": [
7,
2
],
"text": [
"Da Vinci's The Last Supper is a special portrayal of the biblical event because it was commissioned by Ludovico Sforza, the Duke of Milan, to be placed in the dining hall of the Santa Maria delle Grazie monastery, which the ... | [] | [] | [
[
"lairweb.org.nz",
"http://en.wikipedia.org/wiki/File:Comunione_degli_apostoli,_cella_35.jpg",
"http://en.wikipedia.org/wiki/File:Valentin_de_Boulogne,_Last_Supper.jpg",
"http://en.wikipedia.org/wiki/File:%C3%9Altima_Cena_-_Juan_de_Juanes.jpg",
"http://en.wikipedia.org/wiki/File:Jacopo_Tintoret... | |
9hcitw | how can the fbi seize a website? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9hcitw/eli5_how_can_the_fbi_seize_a_website/ | {
"a_id": [
"e6avspd",
"e6awhnk",
"e6azs3g"
],
"score": [
5,
2,
2
],
"text": [
"The website is stored on a server which is physically located somewhere. If it's located in the United States then the FBI can get a warrant to take possession of it (or at least the section of it that ... | [] | [] | [
[],
[],
[]
] | ||
1qagj9 | What would a explosion look like in space? | askscience | http://www.reddit.com/r/askscience/comments/1qagj9/what_would_a_explosion_look_like_in_space/ | {
"a_id": [
"cdavhs4",
"cdaw293",
"cdawpo3",
"cdaynr8",
"cdaz49d"
],
"score": [
28,
5,
3,
4,
2
],
"text": [
"im by no means an expert on the subject, but I have a couple links that may interest you. look into [Starfish Prime.](_URL_1_) it was part of a series of Hig... | [] | [] | [
[
"http://www.youtube.com/watch?v=RKvvrNrCOnw",
"http://en.wikipedia.org/wiki/Starfish_Prime"
],
[
"http://www.youtube.com/watch?v=1xT4GstMyKs",
"http://www.youtube.com/watch?v=n4yYZh1U908",
"http://en.wikipedia.org/wiki/Pyrotechnic_fastener#Compositions_used",
"http://en.wikipedia.org/w... | ||
1lzvi2 | Does plastic deteriorate/lose integrity over time? | Does plastic react to the atmosphere that might then degrade it's integrity? I know there are different types of plastics out there, does this only affect certain kinds of plastics?
This question arose from the idea of car seats having an expiration date. After five years, or so, the manufacturer states that the car s... | askscience | http://www.reddit.com/r/askscience/comments/1lzvi2/does_plastic_deterioratelose_integrity_over_time/ | {
"a_id": [
"cc4hsld"
],
"score": [
4
],
"text": [
"Yes, and it really depends on the plastic.\n\nSome plastics react to moisture or oxygen in the atmosphere and will break down over time. These are fairly rare and not used as commodity plastics yet, but occasionally you'll come across that biode... | [] | [] | [
[]
] | |
1tqmb6 | does it rain over all the oceans and seas? are any areas over an ocean or a sea classified as deserts? | Well I was watching some documentary and they mentioned ancient dried up seas. This got me wondering why they dried up, the obvious answer was the geology changed. But then I thought to myself, so why didn't a giant lake form here instead and I realised that since the geology had changed, there had been so little rainf... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1tqmb6/eli5_does_it_rain_over_all_the_oceans_and_seas/ | {
"a_id": [
"ceajsc0",
"ceallor"
],
"score": [
11,
8
],
"text": [
"There are definitely bodies of water which get rained on more or less depending on where they are. The amount of precipitation which falls in the arctic is very small compared to that which falls in a tropical region. Areas... | [] | [] | [
[],
[]
] | |
20lml3 | How do NASA scientists take such clear long exposure photographs of Nebulas and galaxies, if the Earth is constantly rotating itself and around the sun? | askscience | http://www.reddit.com/r/askscience/comments/20lml3/how_do_nasa_scientists_take_such_clear_long/ | {
"a_id": [
"cg4iles",
"cg4iqaz",
"cg4iu7i"
],
"score": [
5,
4,
4
],
"text": [
"Telescopes are motorized to track a location in the sky as the Earth rotates under them.\n\nThe [Wikipedia article on equatorial mounts](_URL_0_) has a bunch of examples and pictures of telescope mounts... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Equatorial_mount#Astronomical_telescope_mounts"
],
[],
[]
] | ||
dagje4 | How does cocaine get into the hair structure through use and environmental exposure? | I'm reading an article that was published in Analytical Chemistry that discusses the current methodology for forensic hair drug analysis in Europe.
The Society of Hair Testing says that hair samples should be prepped with an organic solvent wash followed by aqueous washes to remove contaminants.
However, a 3-year-o... | askscience | https://www.reddit.com/r/askscience/comments/dagje4/how_does_cocaine_get_into_the_hair_structure/ | {
"a_id": [
"f1qwqpo",
"f1r1tz4"
],
"score": [
14,
6
],
"text": [
" > is water soluble, why isn't it coming out in the water? Why is permeating the hair further?\n\nI can't answer your other questions, but keep in mind there is a lot of water in the human body, inside cells and tissue and ... | [] | [] | [
[],
[
"https://www.ncjrs.gov/pdffiles1/Digitization/146672NCJRS.pdf"
]
] | |
13czbs | Could a hydrogen car have a water dispenser inside the car? | It is said commonly that the only emission of hydrogen fuel cells is hydrogen. So if you collected the exhaust could you dispense water inside the car? Would the water be hot/cold? Does the fuel cell convert all of the hydrogen, or would there be dissolved hydrogen in the water? or dissolved oxygen? | askscience | http://www.reddit.com/r/askscience/comments/13czbs/could_a_hydrogen_car_have_a_water_dispenser/ | {
"a_id": [
"c72v2co",
"c72wdzn",
"c72weum"
],
"score": [
4,
6,
6
],
"text": [
"Yes, that is in the world of \"could.\" I doubt that the hardware required to store a meaningful reservoir of water would be worthwhile for most vehicles, though.\n\nA more practical example would be a... | [] | [] | [
[
"http://www.nasa.gov/topics/technology/hydrogen/fc_shuttle.html"
],
[
"http://en.wikipedia.org/wiki/Distilled_water#Health_concerns"
],
[]
] | |
97gkpo | Why can't herbivores eat meat, and why can't carnivores eat plants? | Is there a fundamental difference in the digestion process? Is it psychological? I know very little about animal anatomy or biology, but I would love to learn more! | askscience | https://www.reddit.com/r/askscience/comments/97gkpo/why_cant_herbivores_eat_meat_and_why_cant/ | {
"a_id": [
"e48hpyf",
"e48hz3y"
],
"score": [
6,
12
],
"text": [
"Carnivores stomaches have an extremely low PH allowing them to process raw meat without harmful parasites thriving. Many herbivores have several stomaches in order to digest the very tough cell walls of plants. Dietary nee... | [] | [] | [
[],
[]
] | |
1ljfta | How did elite Westerners entertain long-term visitors before the twentieth century? | I was recently at Andrew Jackson's estate in Tennessee, and started wondering about elite men like Jackson (or Thackery, or Ben Franklin, and so on) who seem to have entertained guests for weeks -- even months -- at a time. Certainly this depends on the individuals involved, but broadly what was the nature of these lon... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1ljfta/how_did_elite_westerners_entertain_longterm/ | {
"a_id": [
"cbzxwkw",
"cbzzv18",
"cc00i8y",
"cc00uhh",
"cc0185w"
],
"score": [
13,
29,
3,
7,
10
],
"text": [
"Nothing elaborate, and not an answer to your question, but one thing I will point out just for some reference is that prior to the late 19th century, the e... | [] | [] | [
[],
[
"http://www.biltmore.com/visit/house_gardens/default.asp",
"http://hdl.loc.gov/loc.music/musdi.237"
],
[
"http://onlinebooks.library.upenn.edu/webbin/gutbook/lookup?num=8457"
],
[],
[]
] | |
2sm36r | why is it ok to insult religion in name of freedom of speech, yet not ok to be a racist? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2sm36r/eli5_why_is_it_ok_to_insult_religion_in_name_of/ | {
"a_id": [
"cnqr0or",
"cnqrbxe",
"cnqrcp0",
"cnqre35",
"cnqrilr",
"cnqrqc2",
"cnqs9wy",
"cnqzvka",
"cnr5cp6",
"cnr7wbq"
],
"score": [
4,
2,
12,
3,
8,
10,
4,
3,
2,
2
],
"text": [
"Because no-one is responsible for the colour o... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | ||
fx2pno | Historians who read languages for which there is no known pronunciation, or for which there are large gaps in pronunciation, how do you do it? | It seems very odd to imagine reading something and not hearing it sounded out in my head. How do you cope when one leg of the visual-auditory-meaning trio is taken out of the equation? How does it make you feel? How did you, personally, manage to learn the language in the first place without being able to link characte... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/fx2pno/historians_who_read_languages_for_which_there_is/ | {
"a_id": [
"fmssmyk"
],
"score": [
33
],
"text": [
"This is exactly what I work on (and I mean *exactly*). Most Egyptian texts are written in a phase of the language called Middle Egyptian. Middle Egyptian was only spoken until the mid second millennium BCE, but the written language continued to ... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Demotic\\_\\(Egyptian\\)",
"https://old.reddit.com/r/AncientEgyptian/comments/eblzib/allens_middle_egyptian_megathread/",
"https://www.youtube.com/watch?v=rSn_UAquOfw",
"https://youtu.be/3gVlx_GkNPY?t=159"
]
] | |
5rorcg | was fighting in ice hockey allowed since the beginning of this sport, or was it introduced later - and if so how that happened. | I always wondered how it turned out.
The first time I ever seen a fight in Ice Hockey game I was really surprised that referees allowed it to finish. I started questioning myself, if I was watching Hockey game where you score the goals or two guys fighting in a ring until the one falls on the ground. With time I start... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5rorcg/eli5_was_fighting_in_ice_hockey_allowed_since_the/ | {
"a_id": [
"dd8yr8n",
"dd8yru9",
"dd90jp7",
"dd9lm5y"
],
"score": [
8,
2,
2,
3
],
"text": [
"It's not allowed. That's why there are penalties for fighting. \n\nFighting is a result, usually, of three things. \n\n1. Get your team to raise their game. I'm willing to drop glo... | [] | [] | [
[],
[],
[],
[]
] | |
d7buc3 | Why did germanic migrants lose more of their language in favour of Latin? | I don't know alot about germanic migration between 100 and 500 AD but always found it particularly odd how the vandals, visigoths, ostrogoths and Franks who settled most of western Europe had their language evolved from old Germanic to the romance languages of today such as italian, french, Spanish, Portuguese etc. So ... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/d7buc3/why_did_germanic_migrants_lose_more_of_their/ | {
"a_id": [
"f0yytbh"
],
"score": [
2
],
"text": [
"An answer ([Why are the spanish and french not considered Germanic](_URL_0_); u/Libertat) I posted some time ago might provide with some elements of response. \nBasically, it's doubtful that each Barbarian coalition had its own \"national\" lang... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/cy8r3e/why_are_the_spanish_and_french_not_considered/"
]
] | |
6v8so3 | why does damage to eyes not become apparent immediately and takes time ranging from a night's sleep to years to show up? | Read a few posts in an AMA request where people say it took years to see the damage in the eyes from viewing a earlier eclipse without appropriate protection. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6v8so3/eli5_why_does_damage_to_eyes_not_become_apparent/ | {
"a_id": [
"dlyijs1"
],
"score": [
26
],
"text": [
"It's like a sunburn. At first, it's just all red and painful (but your retina has no pain receptors, so it doesn't hurt). The next day, your skin is literally falling off your body. In that time, the damaged cells were figuring out that irrepara... | [] | [] | [
[]
] | |
3v9uwj | why does the us senate always seem so empty? | Often when I watch a speech a Senator is giving or a Bill is being discussed the senate is practically empty. Shouldn't the Senators be in there doing their jobs? Or what am i missing? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3v9uwj/eli5_why_does_the_us_senate_always_seem_so_empty/ | {
"a_id": [
"cxlkwdg",
"cxllcim"
],
"score": [
3,
2
],
"text": [
"Most of them are doing their jobs. Their jobs just have very little to do with the debate floor. Think about it, how inefficient is it to have one guy speak to a room of a hundred about some issue while everyone else has to ... | [] | [] | [
[],
[]
] | |
1jz5ey | can someone explain the difference between a university and a technical school? | A technical school just seems like a far better option to me by far. But what are the pros and cons of each?
P.s. Already applied and got accepted to one. Just don't fully understand why people are against it in my life. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1jz5ey/can_someone_explain_the_difference_between_a/ | {
"a_id": [
"cbjpw3i"
],
"score": [
3
],
"text": [
"In the US, technical schools focus mainly on job training and associates degrees in specific fields. They're great if you want to be a plumber, electrician, automotive tech, or some other sort of skilled trade.\n\nThere may be a stigma against t... | [] | [] | [
[]
] | |
typsw | hare krishna | What is it? Why the yellow smudges? Basic teachings? Yes I am curious after seeing it on Mad Men. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/typsw/eli5_hare_krishna/ | {
"a_id": [
"c4quwpr",
"c4qwzbo"
],
"score": [
3,
3
],
"text": [
"They are a branch of Hinduism that started in New York in the 1960's. Sort of.\n\nSpiritually they try to grow closer to the Supreme Lord Krishna, through various methods.\n\nThey require members to be vegetarians and abstai... | [] | [] | [
[],
[]
] | |
338xpk | why has no one crossed a dandelion with a carrot or parsnip, thus creating a nutritious vegetable that grows wild as a weed? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/338xpk/eli5_why_has_no_one_crossed_a_dandelion_with_a/ | {
"a_id": [
"cqimc3n",
"cqiq9lz",
"cqir9dw",
"cqj3n5e",
"cqj5ize",
"cqj5pc3",
"cqjd89z",
"cqjd8w3",
"cqjfn7v"
],
"score": [
182,
18,
9,
5,
3,
2,
2,
3,
2
],
"text": [
"A few things. First, dandelions *are* nutritious vegetables that yo... | [] | [] | [
[],
[
"http://www.ediblewildfood.com/queen-annes-lace.aspx"
],
[],
[
"https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=lawn%20weed%20type%20plantain"
],
[],
[],
[],
[],
[]
] | ||
3cn21v | Why does the Hercules-Corona Borealis Great Wall baffle cosmologists, but not its namesake constellations? | "It is a huge group of galaxies forming a giant sheet-like pattern. It is about 10 billion light-years long, 7.2 billion light-years wide, and almost 1 billion light-years thick. It is about 10 billion light-years away in the constellations of Hercules and Corona Borealis, hence its name." States Wikipedia, but if the ... | askscience | http://www.reddit.com/r/askscience/comments/3cn21v/why_does_the_herculescorona_borealis_great_wall/ | {
"a_id": [
"csxbshh"
],
"score": [
2
],
"text": [
"The constellations are merely local stars visible from earth and have no relation to the galaxy structure other than direction. The galaxy structure is behind the stars that make up the constellations and hence from our observational point of vie... | [] | [] | [
[]
] | |
6vyfzf | How does the fact that energy is quantized explain blackbody radiation? | askscience | https://www.reddit.com/r/askscience/comments/6vyfzf/how_does_the_fact_that_energy_is_quantized/ | {
"a_id": [
"dm42gs1"
],
"score": [
28
],
"text": [
"If you assume that EM radiation at thermal equilibrium can have arbitrary energy in each mode, you run into an ultraviolet divergence (call the ultraviolet catastrophe). The total energy goes like ω^(2), integrated from zero to infinity, which i... | [] | [] | [
[
"http://hyperphysics.phy-astr.gsu.edu/hbase/mod6.html"
]
] | ||
5ahsb8 | how does a barometer actually measure air pressure? | I've known it does for years but I never exactly knew how. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ahsb8/eli5_how_does_a_barometer_actually_measure_air/ | {
"a_id": [
"d9gjrdw",
"d9gk6yy"
],
"score": [
132,
32
],
"text": [
"Inside a barometer is a sealed can, containing air. This makes it a bit like a metal balloon in that air is trapped, and can neither flow in or out of the can.\n\nIf the air pressure outside of the can changes, it'll squa... | [] | [] | [
[],
[
"http://images.wisegeek.com/barometer.jpg",
"http://2012books.lardbucket.org/books/principles-of-general-chemistry-v1.0/section_14/8cec964659fd2bb7ec4dc6c2c78eb4f9.jpg"
]
] | |
4234fq | Does special relativity preclude multiple time dimensions? | Could objects have multiple futures and multiple pasts? I was just wondering if anything in special relativity actually precludes this from being the case. I realize that even if not, it is still an unfalsifiable position for now. | askscience | https://www.reddit.com/r/askscience/comments/4234fq/does_special_relativity_preclude_multiple_time/ | {
"a_id": [
"cz7ksun",
"cz7lo28",
"cz7muqh"
],
"score": [
8,
4,
7
],
"text": [
"No, it doesn't. Special relativity admits a simple generalization to p time dimensions and q space dimensions by replacing the Lorentz group with SO(p,q), the group of transformations that preserve the ... | [] | [] | [
[],
[],
[
"http://arxiv.org/abs/gr-qc/9702052"
]
] | |
59qowq | how did all matter fit into an area less than an atom at the beginning of time? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/59qowq/eli5_how_did_all_matter_fit_into_an_area_less/ | {
"a_id": [
"d9akl3b",
"d9am3e2",
"d9ba1tc"
],
"score": [
7,
4,
2
],
"text": [
"We don't know! But it probably wasn't really what we would consider to be \"matter\" at that point anyway as even subatomic particles wouldn't have been precipitated out yet.",
"anything before t=1 ... | [] | [] | [
[],
[],
[]
] | ||
42drou | Is there a historical reason why, in regards to U.S. currency, the coin denominations are 1, 5, 10, 25, 50 while the dollar denominations are 1, 5, 10, *20*, 50? | It seems more logical to have a $25 bill than a $20 bill. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/42drou/is_there_a_historical_reason_why_in_regards_to_us/ | {
"a_id": [
"cz9uxan"
],
"score": [
3
],
"text": [
"The 25c denomination is historically derived from the usage of the Spanish colonial 8 reale or \"Spanish Dollar\" coin in British colonial America. The Spanish Dollar (and smaller denominations such as the 4 reale, 2 reale or quarter dollar, 1 r... | [] | [] | [
[
"http://www.coins.nd.edu/ColCoin/ColCoinContents/Contents02.html"
]
] | |
xfucu | why gas mileage goes up the slower you go | I've always heard how if you go 5 miles under the speed limit you get better mileage. Why is that? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/xfucu/eli5_why_gas_mileage_goes_up_the_slower_you_go/ | {
"a_id": [
"c5lz5kt",
"c5m04p2",
"c5m1ff4"
],
"score": [
3,
2,
2
],
"text": [
"Your gas mileage depends more on the RPMs (rotations per minute) than anything. Have you ever noticed when the pedal is pushed down, the RPM meter goes up? Well, that's when more gas is spent. Because n... | [] | [] | [
[],
[],
[]
] | |
84p4gw | Why is the fall of the Mississippi River considered a great blow to the Confederacy? | I've seen plenty of people using the phrase "cut the Confederacy in half" with regards to Grant taking the rest of the Mississippi River in 1863, and how it was a great loss to the Confederacy.
But it wasn't anywhere near half. By states, it was 2 cut off from 9. By population, it was a little over 1 million on the ... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/84p4gw/why_is_the_fall_of_the_mississippi_river/ | {
"a_id": [
"dvsvngo"
],
"score": [
10
],
"text": [
"You are correct in the assertion that geographically, the Confederacy wasn't split in \"half,\" but it was irreparably split. Think of the consequences had the British been successful in controlling the entire Hudson River and split New England... | [] | [
"http://railroads.unl.edu/views/item/1864rr?p=2"
] | [
[]
] | |
180rzy | the usps is struggling financially and therefore eliminating saturday deliveries, while ups and fedex are doing just fine. why doesn't the usps try and model itself after them? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/180rzy/the_usps_is_struggling_financially_and_therefore/ | {
"a_id": [
"c8ak3nn",
"c8ak8ho",
"c8ammou",
"c8amzn0",
"c8ao3r6",
"c8aqn4y",
"c8ar1mm",
"c8ark0b",
"c8art8p",
"c8arxms",
"c8as2ir",
"c8atpb7",
"c8atzt7",
"c8auk2e",
"c8auopq",
"c8av0ww",
"c8av4l5"
],
"score": [
235,
1367,
16,
165... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[
"http://iret.org/pub/ADVS-285.PDF",
"http://usgovinfo.about.com/od/consumerawareness/a/USPS-Could-Learn-From-Foreign-Posts.htm",
"http://www.foreignpolicy.com/articles/2013/02/06/the_world_s_best_post_offices"
],
[],
[],
[],
[],
[],
[],
[],
[... | ||
642def | how can someone open a credit card under my name. | thanks all! | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/642def/eli5how_can_someone_open_a_credit_card_under_my/ | {
"a_id": [
"dfyunyl",
"dfyvxxp"
],
"score": [
6,
3
],
"text": [
"Did he actually open it under your name? If he did, you would see the bank summary and transactions as far as I know. He probably added you as an authorized card holder to one of his accounts. I have cards from my parents... | [] | [] | [
[],
[]
] | |
1dx15q | How did Werner Van Braun feel about being taken to the US? | Additional question if any of you fantastic historians feel like answering: How did the treatment of Germans scientists differ between the Americans and the Soviets? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1dx15q/how_did_werner_van_braun_feel_about_being_taken/ | {
"a_id": [
"c9uoajx"
],
"score": [
5
],
"text": [
"German scientists were taken to some sanatorium at Gorodomlya island at Seligyor lake, they lived there much more comfortably than most of Soviet scientists. They actually had made a contract to work there and were allowed to take with them wives... | [] | [] | [
[]
] | |
abpj4t | Is it possible to culture healthy gut bacteria outside of the body with the intention of reintroducing it? | Basically here's the process I envision,
Step 1: Bacteria is collected from source or possibly multiple sources
Step 2: Bacteria is placed in an environment that as closesly matches the human digestive tract as possible
Step 3: Nutrients from healthy foods are introduced at regular times to promote growth of wanted ... | askscience | https://www.reddit.com/r/askscience/comments/abpj4t/is_it_possible_to_culture_healthy_gut_bacteria/ | {
"a_id": [
"ed2e653",
"ed65e5v"
],
"score": [
12,
3
],
"text": [
"There's actually a technique called \"[poop transplant](_URL_0_)\" where they transfer poop from a na healthy person to the patient, they do this to restore the microbic biome in the patient's guts, usually is done after so... | [] | [] | [
[
"https://en.m.wikipedia.org/wiki/Fecal_microbiota_transplant"
],
[]
] | |
7phbwc | how did the notion of sharing blood with family members came about in ancient and medieval times? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7phbwc/eli5_how_did_the_notion_of_sharing_blood_with/ | {
"a_id": [
"dsh8ll7",
"dsh8ob2",
"dsh98qo"
],
"score": [
5,
3,
2
],
"text": [
"Even before our understanding of DNA, there was still a conception and understanding of inherited traits. At the time, the blood was considered the essence of a person's life and contained your personal... | [] | [] | [
[],
[],
[]
] | ||
3ei0fs | Would Jesus have been educated or familiar with the teachings of Plato, Socrates, and Aristotle? What do we know about the education of young Jews of his time period? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3ei0fs/would_jesus_have_been_educated_or_familiar_with/ | {
"a_id": [
"ctf79z4",
"ctf7vra"
],
"score": [
10,
110
],
"text": [
"Follow up: would Plato or Aristotle have been familiar with Genesis or Jewish thought?",
"So the simple answer to this would be: probably not. The longer answer is, in order for Jesus to have studied these philosopher... | [] | [] | [
[],
[
"http://www.amazon.com/Jesus-Apocalyptic-Prophet-New-Millennium/dp/019512474X"
]
] | ||
16sk08 | Is it true that Kruschev wrote in his memoirs that during the Cuban Missile Crisis, JFK told him that the military might overthrow him? | So I was able to find [a source for this](_URL_0_), in The Untold History of the United States by Oliver Stone and Peter Kuznick. Stone's position regarding JFK's assassination is well-known, so I wanted to ask some real historians, and, if it is true, see if you folks can provide any more context.
"...If the situatio... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/16sk08/is_it_true_that_kruschev_wrote_in_his_memoirs/ | {
"a_id": [
"c87x2cv"
],
"score": [
3
],
"text": [
"Hi. I'm not a historian but I am reading [Tim Weiner's *Legacy of Ashes: The History of the CIA*](_URL_1_). Here are a few thoughts.\n\n* Weiner writes about an Oval Office conversation on October 27, the day before the crisis was resolved, in wh... | [] | [
"http://books.google.ca/books?id=0WwIjdg47PoC&pg=PA310&lpg=PA310&dq=oliver+stone%27s+untold+history+khrushchev+memoirs&source=bl&ots=gMHdzxd8dJ&sig=bKhpoeb6eNb7khosAhE4Q2tHY1w&hl=en&sa=X&ei=jbP4UMOvG8rLqAHAgYHABQ&ved=0CEkQ6AEwAw#v=onepage&q=oliver%20stone%27s%20untold%20h... | [
[
"http://www.youtube.com/watch?v=zkzjodKAQhA",
"http://www.amazon.com/Legacy-Ashes-History-Tim-Weiner/dp/0307389006",
"http://en.wikipedia.org/wiki/Kgb#During_the_Cold_War",
"http://en.wikipedia.org/wiki/Vilyam_Genrikhovich_Fisher",
"http://en.wikipedia.org/wiki/Allen_Dulles"
]
] | |
4hx8an | Why is a dust particle floating upward in my room? | I'm in an indoor room. The windows are closed. Doors are shut. No air is coming through the vents.
But I see a dust/lint/feather/whatever particle floating upward toward the ceiling. How is it floating upwards? Why does it float upwards instead of gravity making it fall to the ground? | askscience | https://www.reddit.com/r/askscience/comments/4hx8an/why_is_a_dust_particle_floating_upward_in_my_room/ | {
"a_id": [
"d2t7a0u"
],
"score": [
7
],
"text": [
"Air is still circulating in the room. If it weren't, then all of the air molecules would collect around the ground and there would be big troubles for us."
]
} | [] | [] | [
[]
] | |
2ps3sv | how come if a car sits for an extended period outside, the tires get dry rot, but the tires on my daily driver which sits outside all the time don't? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ps3sv/eli5_how_come_if_a_car_sits_for_an_extended/ | {
"a_id": [
"cmzi6hg"
],
"score": [
5
],
"text": [
"Because tyres work via friction on the road. Friction generates heat. Heat cycling a tyre causes chemicals used in the curing of the tyre to be released which stops them from cracking/rotting. Tyres that do not get heat cycled by driving the chem... | [] | [] | [
[]
] | ||
9m1llr | How and why did so many of the Buddhist monastic orders and sects that took root in Asia become divorced from meditation as a cornerstone of the religion/practice? | I understand that vipassana meditation (Pali, “insight”), comes from the oldest tradition of Buddhism, the Theravada. Did this part of Buddhism fade out as it spread around Asia? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/9m1llr/how_and_why_did_so_many_of_the_buddhist_monastic/ | {
"a_id": [
"e7b8msi"
],
"score": [
6
],
"text": [
"It was not the 'cornerstone' for many. There are other parts of the Noble Eightfold Path, after all. And there are many 'Dharma doors': devotion, faith, charity, compassion, ethical behavior, the path of study, the path of shamanism, the path of ... | [] | [] | [
[]
] | |
8hd2y5 | How did CollegeBoard manage to get its SAT and AP tests to be such important steps in getting into most universities in the US? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/8hd2y5/how_did_collegeboard_manage_to_get_its_sat_and_ap/ | {
"a_id": [
"dymv12y"
],
"score": [
67
],
"text": [
"The short answer to your question is that the College Board is the Old Boys Club in education made tangible. \n\nThe College Board (originally called the College Entrance Examination Board) is basically one of the first educational think-tanks i... | [] | [] | [
[
"https://www.erikthered.com/tutor/sat-act-history.html"
]
] | ||
2vpx6l | How surprising was the American military's dominance over Iraq in the Gulf War? | I just read the line "stunning U.S. victory in Operation Desert Storm" in an article, were people truly surprised? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2vpx6l/how_surprising_was_the_american_militarys/ | {
"a_id": [
"cok61yo"
],
"score": [
87
],
"text": [
"Well for one thing, observers were looking at what seemed to be building up to a massive scale conflict and Iraq's military was certainly nothing to sneeze at. \n\nWe have the gift of hindsight and many today seem to consider Iraq's military for... | [] | [] | [
[]
] | |
n1nnu | If I smashed my hand with a hammer, and someone cut my hand off instantly after, would I still feel the pain from the broken hand? | I understand that pain acts as a deterrent sent to the brain by your nerve endings to prevent you from damaging your body. If the nerve endings causing the "pain signal" to be sent are removed, do you still feel the pain sent by them before they were removed? | askscience | http://www.reddit.com/r/askscience/comments/n1nnu/if_i_smashed_my_hand_with_a_hammer_and_someone/ | {
"a_id": [
"c35l9lo",
"c35leha",
"c35lwhw",
"c35l9lo",
"c35leha",
"c35lwhw"
],
"score": [
6,
5,
24,
6,
5,
24
],
"text": [
"No, you would not feel the pain from the broken hand because the pain receptors that were sending the signal that you perceive as pain... | [] | [] | [
[],
[],
[
"http://en.wikipedia.org/wiki/Dermatome_\\(anatomy\\)"
],
[],
[],
[
"http://en.wikipedia.org/wiki/Dermatome_\\(anatomy\\)"
]
] | |
2yo1gk | why was it a trend to add 2000 and 3000 to the end of products? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2yo1gk/eli5why_was_it_a_trend_to_add_2000_and_3000_to/ | {
"a_id": [
"cpbb2q2"
],
"score": [
26
],
"text": [
"There was a time when year 2000 was the future."
]
} | [] | [] | [
[]
] | ||
r8yob | Can electromagnetic radiation create sound? | i.e. when light, microwaves, gamma rays, etc. travel through a medium (such as air), can they create sound waves?
Edit: Sorry about the hazy definitions, I'm not very adept on this. Essentially my question is whether or not an electromagnetic wave anywhere in the spectrum can interact with a medium it is traveling th... | askscience | http://www.reddit.com/r/askscience/comments/r8yob/can_electromagnetic_radiation_create_sound/ | {
"a_id": [
"c43vil1",
"c43vmg3",
"c43wrsm"
],
"score": [
4,
2,
2
],
"text": [
"Your definitions are a little hazy. On one end of the spectrum you have radio waves (which you can't hear directly...try listening now) on the other end you have gamma rays (which silently irradiate yo... | [] | [] | [
[],
[],
[
"http://www.youtube.com/watch?v=iBui-CSK5w8"
]
] | |
2ycr8e | with websites using shortened links(reddit, youtube, twitter ect), why do they still use the full link at all? | _URL_1_ vs _URL_0_ | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ycr8e/eli5_with_websites_using_shortened_linksreddit/ | {
"a_id": [
"cp8cc5m",
"cp8h2gn",
"cp8ie65",
"cp8j8vg",
"cp8zn71"
],
"score": [
17,
2,
2,
2,
2
],
"text": [
"It's just semantic. With the long URL, you can tell what subreddit it's in and what the title of the post is. You only need the thread ID to grab the thread'... | [] | [
"http://www.reddit.com/r/explainlikeimfive/comments/2ycr8e/eli5_with_websites_using_shortened_linksreddit/",
"http://redd.it/2ycr8e"
] | [
[],
[],
[],
[
"http://searchengineland.com/seo-friendly-url-syntax-practices-134218"
],
[]
] | |
1r3y2y | From an infantryman's perspective, what war from the beginning of the 20th century to the present has been the most horrific? | You can address the question in terms of combat, living conditions, medical care, (or lack thereof) psychological effects, and so on. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1r3y2y/from_an_infantrymans_perspective_what_war_from/ | {
"a_id": [
"cdjdveb",
"cdo7632"
],
"score": [
4,
2
],
"text": [
"I think this will be almost a matter of taste. In chronological order, and taking no stance on which one is worst:\n\n* The Boer war is notoriously the last in which the British Army suffered more casualties from disease tha... | [] | [] | [
[],
[]
] | |
7zaiwr | Do wild animals get physical addictions to substances? | askscience | https://www.reddit.com/r/askscience/comments/7zaiwr/do_wild_animals_get_physical_addictions_to/ | {
"a_id": [
"dumqiyw",
"dumzylh",
"dun2xd1",
"dunhmsl"
],
"score": [
40,
3,
12,
5
],
"text": [
"They certainly *can*, though I have no benchmark for how common this is in most species.\n\nThere is plenty of documentation for various animals seeking out psychoactive substanc... | [] | [] | [
[],
[],
[],
[]
] | ||
6zjmz3 | In the 1800s in "wild west" America were there neighborhoods that people lived in similar to today? Or were there singular houses spread out randomly? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6zjmz3/in_the_1800s_in_wild_west_america_were_there/ | {
"a_id": [
"dmvr2x4"
],
"score": [
7
],
"text": [
"The West is an enormous place so generalizations are difficult to make. That said, the majority of the region was and continues to be largely urban in its settlement. Since most people in the nineteenth century did not have a horse (contrary to t... | [] | [] | [
[]
] | ||
3ajzhw | Can someone elaborate on the natural gas pipelines of the Han dynasty? | You probably can guess the post I'm referencing:
_URL_0_
The wikipedia page cites *The Genius of China: 3,000 Years of Science, Discovery, and Invention* by Robert K. G. Temple. Is this a reliable source? Does he go into any further detail about these pipelines seeing as the wikipedia excerpt is just a just a few se... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3ajzhw/can_someone_elaborate_on_the_natural_gas/ | {
"a_id": [
"csdg699"
],
"score": [
4
],
"text": [
"[You might find this interesting.](_URL_1_) Can't say I know much more than that, but I recall Needham mentioning the same thing in one of his books on China. You can download his books [here](_URL_0_) if you're interested. Sorry for the short an... | [] | [
"http://www.reddit.com/r/todayilearned/comments/3ajdpr/til_the_han_dynasty_of_china_drilled_for_natural/"
] | [
[
"http://monoskop.org/index.php?search=needham&title=Special%3ASearch&go=%E2%8F%8E",
"http://csegrecorder.com/articles/view/ancient-chinese-drilling"
]
] | |
1ee5ki | What is Mitochondrial Decay? Is this real? | My question comes from some discussions I've been having with someone at my work. I recently found out he has a somewhat creationist view, he says it's more that he's not sure of what we were or if we were anything before we were humans. He thinks we started as humans but were more brachial. He's open to discussion on ... | askscience | http://www.reddit.com/r/askscience/comments/1ee5ki/what_is_mitochondrial_decay_is_this_real/ | {
"a_id": [
"c9zemm3",
"c9zh4eg",
"c9zn9r0"
],
"score": [
2,
2,
3
],
"text": [
" > His claim is that DNA decays over long periods of time and the same DNA can only be folded so many times because it deteriorates too badly.\n\nsounds like he pulled that one out of thin air. DNA in ... | [] | [] | [
[],
[],
[
"http://en.wikipedia.org/wiki/Mitochondrion"
]
] | |
dy7fos | how does a website know i mistyped my card number before i even click “place order”? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dy7fos/eli5_how_does_a_website_know_i_mistyped_my_card/ | {
"a_id": [
"f7yzju9",
"f7yzug6",
"f7z09zz",
"f7z3i37",
"f7zrbfp"
],
"score": [
8,
3,
5,
3,
3
],
"text": [
"Part of the card number identifies the type of card so it can tell immediately if you have tried to put a debit card instead of a credit card (or vice versa) ... | [] | [] | [
[],
[],
[
"https://www.creditcardinsider.com/learn/anatomy-of-a-credit-card/"
],
[],
[]
] | ||
164oie | How do molecules such as ATP, mRNA and proteins, transport around the cell? | For example, ATP is produced inside the mitochondria. How does that ATP then get outside the mitochondria and get to all the spatial locaions in the cell that need ATP?
Another example: mRNA needs to get outside of the nucleus and to a ribosome for protein synthesis. How does it get there and meet up with the riboso... | askscience | http://www.reddit.com/r/askscience/comments/164oie/how_do_molecules_such_as_atp_mrna_and_proteins/ | {
"a_id": [
"c7spcib",
"c7sq4i7"
],
"score": [
8,
11
],
"text": [
"The simple answer is [diffusion](_URL_1_). An easy, somewhat intuitive, non-thermodynamics way to think about it is to take some food coloring and put a drop of it in a glass of water. After a while the entire glass will be... | [] | [] | [
[
"http://pages.uoregon.edu/linke/res_ratchet.html",
"http://en.wikipedia.org/wiki/Diffusion",
"http://en.wikipedia.org/wiki/Brownian_motion"
],
[]
] | |
iw3or | The need for air conditioners to have a solid barrier between inside and outside... | My wife keeps suggesting we place our window air conditioner on a table in the bedroom. it won't fit in the window. I keep telling her that it won't do any good unless there is a solid barrier between the two sides of the air conditioning unit.
Can you please help me explain this to her in simple terms? And in scient... | askscience | http://www.reddit.com/r/askscience/comments/iw3or/the_need_for_air_conditioners_to_have_a_solid/ | {
"a_id": [
"c273ayy",
"c273bbx",
"c273ikw"
],
"score": [
21,
6,
7
],
"text": [
"An AC doesn't make \"cold\" out of nothing. In reality there is no such thing as making cold. What it does is separate hot from cold. So cold air comes out one side, and hot air comes out the other.... | [] | [] | [
[],
[],
[]
] | |
bfekp4 | why iron is considered the most 'stable' element. wouldnt helium or the inert gases be it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bfekp4/eli5_why_iron_is_considered_the_most_stable/ | {
"a_id": [
"eld0ymp",
"eld2et0"
],
"score": [
16,
8
],
"text": [
"It’s a different kind of stable. Helium is stable since it doesn’t react with other elements, while iron is stable in the way that if you have a single iron atom, it isn’t going to fall apart.",
"Helium and the noble ga... | [] | [] | [
[],
[]
] | ||
3dr9lx | is there an actual law stating that the opposite genders aren't allowed to go into the other's restroom in a public space, or is it just a common courtesy being practiced? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3dr9lx/eli5_is_there_an_actual_law_stating_that_the/ | {
"a_id": [
"ct7vy32",
"ct7x08p",
"ct7xr8b",
"ct7zf7m"
],
"score": [
4,
15,
6,
5
],
"text": [
"AFAIK, there are no existing laws at the federal level that make it illegal for a man to use the women's restroom, or vice versa. It could theoretically open you up to charges of ... | [] | [] | [
[
"http://www.myfloridahouse.gov/Sections/Bills/billsdetail.aspx?BillId=53629"
],
[],
[],
[]
] | ||
2grkut | why is it i feel more comfortable walking around while im on phone? am i alone in this? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2grkut/eli5why_is_it_i_feel_more_comfortable_walking/ | {
"a_id": [
"ckltkho",
"cklud7u",
"ckluiuj",
"cklut9i"
],
"score": [
3,
3,
2,
3
],
"text": [
"I do the same thing and have always wondered why. I always guessed that it was because it's a habit to move away from other people while talking on the phone as to not be rude. ",
... | [] | [] | [
[],
[
"http://www.theguardian.com/music/2013/jan/30/benjamin-britten-composing-walks"
],
[],
[]
] | ||
1ctdrk | What two ethnic groups are genetically farthest from each other? | Based on migrations (out of Africa and other theories) as well as existing DNA sampling what two ethic groups are genetically most different? I use ethnic group here loosely and am really talking more about genetic groups rather than cultural groups. | askscience | http://www.reddit.com/r/askscience/comments/1ctdrk/what_two_ethnic_groups_are_genetically_farthest/ | {
"a_id": [
"c9jt0ts",
"c9jtck1",
"c9kebg6"
],
"score": [
7,
2,
2
],
"text": [
"I don't know which specific groups, but at least one of them, and maybe both, would be associated with sub-Saharan Africa. All of the populations associated with other parts of the world would have dive... | [] | [] | [
[
"http://en.wikipedia.org/wiki/File:Map-of-human-migrations.jpg"
],
[],
[
"http://www.sciencemag.org/content/298/5602/2381.full"
]
] | |
2jdhgy | why are spray bottles cold, instead of hot, to the touch? | I would think that spray bottles with compressed air would be hot because, according to the ideal gas law and what not, air gets warmer as it is compressed and colder as it expands. So why is it that it is the opposite of just that? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2jdhgy/eli5why_are_spray_bottles_cold_instead_of_hot_to/ | {
"a_id": [
"claoupb"
],
"score": [
2
],
"text": [
"1. they aren't hot or cold when resting. If they stayed hot while under pressure then you'd have just discovered infinite energy! The bottle may _feel_ cold because it absorbs heat readily (e.g. it's made of aluminum).\n\n2. you may be feeling th... | [] | [] | [
[]
] | |
4fzhk4 | why do we have to go through us customs in canada, but not the canadian customs in the us? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4fzhk4/eli5_why_do_we_have_to_go_through_us_customs_in/ | {
"a_id": [
"d2dbbgw",
"d2dbdwd",
"d2dbmzc"
],
"score": [
4,
3,
2
],
"text": [
"It used to be that you went though US customs in the US, and Canadian customs in Canada. Some smaller airports continue to work this way.\n\nBut then the US introduced customs pre-clearing, so instead o... | [] | [] | [
[],
[],
[]
] | ||
vycop | ocams razor and the burden of proof | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/vycop/eli5ocams_razor_and_the_burden_of_proof/ | {
"a_id": [
"c58t6kz"
],
"score": [
4
],
"text": [
"**Occam's razor:** The original, from William of Occam, is: *\"plurality should not be posited without necessity.\"* This means that you shouldn't add assumptions that are not needed to explain something.\n\nNowadays it is used to say that, of s... | [] | [] | [
[]
] | ||
12vixj | From your period of expertise, what is a human trait that was revered, held in high regard or even just generally accepted that would typically be looked down upon today? | I recognize this is a very open-ended question, but I imagine there are a lot of very unique answers out there.
I'm curious about everything from physical deformities/genetic disorders, human behavior, physical traits, but nothing is off the table! | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/12vixj/from_your_period_of_expertise_what_is_a_human/ | {
"a_id": [
"c6ygjwk",
"c6ygygp",
"c6yhg8d",
"c6yijco",
"c6yisro",
"c6yjk0a",
"c6yjn3g",
"c6yjz28",
"c6ykiye",
"c6yo6vf",
"c6yoegq",
"c6yonhv",
"c6yotf3",
"c6yp1hg",
"c6ypxas",
"c6yq9dd",
"c6yqpp4",
"c6yr5ro",
"c6yr7wy",
"c6yrdrv",
"c... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[
"http://en.wikipedia.org/wiki/Pederasty#The_ancient_world"
],
[],
[
"http://www.amazon.com/gp/search?index=books&linkCode=qs&keywords=0765601451"
],
[],
[],
[
"http://www.amazon.com/Lincolns-Melancholy-Depression-Challenged-President/dp/0... | |
2re1zi | what happens to a copyright when the company that holds it goes out of business? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2re1zi/eli5_what_happens_to_a_copyright_when_the_company/ | {
"a_id": [
"cnezr6i"
],
"score": [
5
],
"text": [
"The rights would be considered an asset by the liquidators and sold in order to pay creditors"
]
} | [] | [] | [
[]
] | ||
84av3k | Where did Western Europe get its natural gas during the Cold War? | The topic of Russian sanctions has been coming up in the news a lot recently, and a common talking point is that Europe can't enact total sanctions because they rely on Russia for their natural gas. How did they get around this during the Cold War? I can't imagine the Soviet Union was trading with NATO. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/84av3k/where_did_western_europe_get_its_natural_gas/ | {
"a_id": [
"dvr40l2"
],
"score": [
2
],
"text": [
"If I may add a few supplementary points to u/kieslowskifan 's answer... \n\nAt the beginning of the Cold War period, natural gas was not in wide usage as a fuel in Western Europe. Coal gas was made in gasworks local to many towns and cities, t... | [] | [] | [
[
"http://www.centrex.at/en/files/study_stern_e.pdf"
]
] | |
dq33ya | why do objects that are the same temperature as our average body temperature feel hotter than our hand when we touch them? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dq33ya/eli5_why_do_objects_that_are_the_same_temperature/ | {
"a_id": [
"f607x0g",
"f60da71"
],
"score": [
5,
4
],
"text": [
"Because 37 degrees is the body core temperature. Your fingertips are often colder than that, especially the skin, where your thermoceptors are.",
"We can not feel \"temperature\", our senses measure \"heat loss\".\nBecau... | [] | [] | [
[],
[]
] | |
1ndawj | Sleeping with music playing | Hi guys, i'm wondering. Almost 5 years I have been sleeping with my music on, not headphones, just playing it from my laptop, pretty silently, but still easy to listen to (chillstep mixes, trance and so on).
I just hate that buzzing sound I hear when i'm trying to sleep and there is not a single sound around. It start... | askscience | http://www.reddit.com/r/askscience/comments/1ndawj/sleeping_with_music_playing/ | {
"a_id": [
"cchl3n8",
"cchl671",
"cchq94b"
],
"score": [
5,
221,
7
],
"text": [
"To add onto his question: does listening to an audiobook while asleep provide better recollection of it?",
"In general, noise throughout the night is disruptive to sleep, especially if the noise l... | [] | [] | [
[],
[
"http://www.sciencedirect.com/science/article/pii/S1389945704002242",
"http://onlinelibrary.wiley.com/doi/10.1111/j.1469-8986.1972.tb00757.x/abstract",
"http://www.tandfonline.com/doi/abs/10.1080/08098131.2013.783095#.UkhJOD8lKwQ",
"http://www.sciencedirect.com/science/article/pii/S016787600... | |
ydwvu | Why are creatures more energy efficient the larger they become? | I've always wondered why a mouse (pound for pound) consumes and burns energy so much faster and more wastefully than an elephant. Why aren't creatures simply as efficient as possible across the spectrum opposed to being more wasteful the smaller they are? Why is this exactly? | askscience | http://www.reddit.com/r/askscience/comments/ydwvu/why_are_creatures_more_energy_efficient_the/ | {
"a_id": [
"c5uoewg"
],
"score": [
7
],
"text": [
"At least for warm-blooded animals, surface area to volume, and heat loss are significant factors. Mammals, for example, keep a body temperature that is almost always warmer than their surroundings. \n\nImagine you have a cube mouse, 1 meter x 1 ... | [] | [] | [
[]
] | |
1in0pk | How did the armies of Genghis Khan handle logistics? | How do you supply and coordinate an army that conquered most of the largest continent in about 20 years in an era before motor vehicles or modern communications? Did they just mostly live off the land and pick up conscripts from conquered cities, or did they actually have some sort of formal supply system? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1in0pk/how_did_the_armies_of_genghis_khan_handle/ | {
"a_id": [
"cb64zhc"
],
"score": [
28
],
"text": [
"First I would recommend looking at Mongol culture and lifestyle. The Mongols come from a harsh steppe, and had a strong nomadic culture. It's cold at night, and hot during the day. The land is generally pretty terrible for farming, and there are... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Mongolian_horse"
]
] | |
8v2itq | how are deisel-electric engines more energy efficient than direct-drive deisel engines? | Why are deisel-electric engines more efficient than direct drive systems? Wouldn't it be more efficient to remove the "extra step?" | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8v2itq/eli5_how_are_deiselelectric_engines_more_energy/ | {
"a_id": [
"e1k1tsy",
"e1k1uva",
"e1k2cbi",
"e1k2jas",
"e1k5bh5"
],
"score": [
3,
10,
3,
2,
4
],
"text": [
"It comes down to being able to run a diesel electric engine at the optimum efficency while a straight diesel engine is responding to the load of the train. "... | [] | [] | [
[],
[],
[],
[],
[]
] | |
24pxho | why do i find it so hard to change my eating habits? how do i get myself to like eating something? | I haven't really eaten vegetables or fruit since I was around 12. I was spoiled and wasn't made to eat them and now I've fallen out of habit and can't stand the texture. Why do I find it so hard to eat healthy and how do I get over the texture of something so I can appreciate taste? Any time I've looked it up nutrition... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/24pxho/eli5why_do_i_find_it_so_hard_to_change_my_eating/ | {
"a_id": [
"ch9iswy"
],
"score": [
2
],
"text": [
"The way I see it is that the keyword is habit. It's amazing how closely related food and smells are to conditioning, think Pavlovian conditioning and the salivating dogs. When we eat or smell something high in fat or sugar our brain releases ch... | [] | [] | [
[]
] | |
6454bw | Was there a period in the 19th century when Portugal was essentially governed from Brazil? | The recent talk about a hypothetical Canada - Scotland political union has me wondering whether an old world country has ever been ruled or governed from the new world. Outside of marginal cases such as the American occupation zone of Germany, the closest analog seems to me to be my (dimly recalled and possibly mistake... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6454bw/was_there_a_period_in_the_19th_century_when/ | {
"a_id": [
"dg02pqu"
],
"score": [
4
],
"text": [
"You are correct. But as you might guess the situation was far more complicated than that.\n\nIn 1803 the UK and France went back to war. Portugal was a long standing ally of England, but wanted no part of war with Napoleon. So the regent João (la... | [] | [] | [
[]
] | |
1n3b8y | why does steam/valve insist that linux is the future of gaming? | I can't wrap my head around this idea that Steam/ Valve are pushing forward. Firstly the range of games available at the moment (which I know is ever increasing), but then the issue of hardware drivers not being great, graphics cards being the primary problem. Why does Gabe have such confidence in an OS that accounts f... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1n3b8y/eli5_why_does_steamvalve_insist_that_linux_is_the/ | {
"a_id": [
"ccf0dyo",
"ccf0pdj",
"ccf2ohj",
"ccf45vz",
"ccf4hwf",
"ccf4k00",
"ccf569y"
],
"score": [
18,
91,
12,
3,
2,
15,
2
],
"text": [
"There are a variety of reasons, I'm probably not the best person to try and answer this, but I'll give it a sh... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | |
67t1ld | title ll of net neutrality. how could isp's benefit from having control of internet speed on certain websites and apps? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/67t1ld/eli5_title_ll_of_net_neutrality_how_could_isps/ | {
"a_id": [
"dgt1rn2"
],
"score": [
3
],
"text": [
"They would get the power to censor as they see fit (we don't want you to visit site X, so we'll just restrict all data flow to and from it) and they would get the opportunity to add extra fees - an example would be to limit data speeds to the poi... | [] | [] | [
[]
] | ||
9dc72a | how do arms deals work? | Here in the UK there is seemingly never ending controversy about UK sales of arms to counties like Saudi Arabia. The news often talks about government involvement in these deals but presumably it's private companies delivering the arms so is it accurate to say "the UK sold arms" rather than, for example, BAE systems? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9dc72a/eli5_how_do_arms_deals_work/ | {
"a_id": [
"e5gqhig"
],
"score": [
8
],
"text": [
"The deal is between the UK government and the Saudi government. Regulations prevent BAE Systems (or anybody else) from just selling dangerous weapons on a retail basis. They sell them to the UK government, deliver them in Saudi Arabia, and get ... | [] | [] | [
[]
] | |
78ncwf | Was the collapse of Rome felt/realised in China? | Just a random thought I got recently.Like the massive migrations that happened because of the collapse, like were there people in China or close to China who migrated towards west? And was it in such big numbers that Chinese people were theorising on what is happening somewhere west?
Also I'm quite sure that silk got ... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/78ncwf/was_the_collapse_of_rome_feltrealised_in_china/ | {
"a_id": [
"dow9vkh"
],
"score": [
31
],
"text": [
"I asked this question a few years ago\n\n_URL_0_\n\nThe top comment by /u/Ambarenya states that the Chinese were at least vaguely aware of the Roman Empire's existence and had at least some limited communication. After a while the Chinese notic... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/3oc1cz/did_ancient_china_know_about_the_fall_of_the/"
]
] |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.