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 |
|---|---|---|---|---|---|---|---|---|---|
4pobyi | How Integrated circuit are designed ? | I know that integrated circuit (like CPUs) are made from silicon wafers, but since they are like circuit board, they must have been "drawn" in some way before being printed, but CPUs contains million of transistors.
Are they automatically generated with some patterns ? | askscience | https://www.reddit.com/r/askscience/comments/4pobyi/how_integrated_circuit_are_designed/ | {
"a_id": [
"d4mops3",
"d4n75sy"
],
"score": [
7,
3
],
"text": [
"They are written in programming languages that specify the logical operations.\n\nThen Synthesis is performed by (a usually very expensive) piece of software to map the\nlogic to the transistors.\n\n[Some example code](_URL_... | [] | [] | [
[
"http://research.swtch.com/6502",
"http://asic-world.com/examples/vhdl/index.html"
],
[]
] | |
6wbc3k | how does the technology that sees if tennis balls are in or out work, and how come it hasn't completely replaced linesmen? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6wbc3k/eli5_how_does_the_technology_that_sees_if_tennis/ | {
"a_id": [
"dm6r6ql",
"dm6s48q",
"dm748t0",
"dm74n84"
],
"score": [
19,
550,
2,
2
],
"text": [
"It uses camera images. The exact location and specifications of the camera, tennis balls, field lines are known. Then by analyzing the size and location of the ball on the diffe... | [] | [] | [
[],
[
"https://www.motorsport.com/f1/news/alonso-qualifying-spa-honda-mclaren-945396/",
"https://www.hawkeyeinnovations.com",
"http://chyronhego.com"
],
[],
[]
] | ||
8okwz9 | Are the Burmese Way to Socialism and the Khmer Rouge related? | Is there any relation between the Burmese Way to Socialism \(Official ideology of Myanmar, 62\-88\) and the Khmer Rouge \(official ideology of Kampuchea, 75\-79\)? They were both bizarrely distinctive strains of socialism with a largely rural basis that incorporated isolationist ethnonationalism and reactionary anti\-m... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/8okwz9/are_the_burmese_way_to_socialism_and_the_khmer/ | {
"a_id": [
"e06qwyy"
],
"score": [
2
],
"text": [
"I am not as familiar with Burmese history as I am with Cambodian but funnily enough I am currently writing a thesis which examines ethnic cleansing in each area. So, far from an expert analysis on the subject I will give you some thoughts which m... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/8o3q9j/in_episode_102_of_the_waking_up_podcast_sam/e00hn81/?context=3"
]
] | |
33l6e5 | What is the environmental and long term climate impact of the recent Chile volcano eruption? | I'm curious as to the temperature variations and long term effect the Calbuco volcano eruption will have on the local environment as well as further away. | askscience | http://www.reddit.com/r/askscience/comments/33l6e5/what_is_the_environmental_and_long_term_climate/ | {
"a_id": [
"cqm2jkz",
"cqma7ad"
],
"score": [
21,
2
],
"text": [
"Locally a big impact mostly from falling ash an air pollution. However globally, I doubt we'll see much impact unless this continues for several months. It is located around 41 S, so not near the tropical regions. For vo... | [] | [] | [
[
"http://www.wunderground.com/climate/volcanoes.asp"
],
[]
] | |
ow7yo | Everyone's worried about the radiation but can we harness the energy from solar flares? | I just watched Bob from CBC's 'Quirks and Quarks' talk about solar flares. He mentioned that the flares are massive expulsions of energy and radiation from the sun. Is it possible during Solar Max to harness energy from the electro magnetically charged sub atomic particles that are released during a Corollo Mass Ejecti... | askscience | http://www.reddit.com/r/askscience/comments/ow7yo/everyones_worried_about_the_radiation_but_can_we/ | {
"a_id": [
"c3kix21"
],
"score": [
5
],
"text": [
"It's not really feasible to construct an elaborate and expensive generator which is powered by relatively rare and extremely powerful events. When it comes to harnessing energy you want a steady and consistent supply as that is the manner it is ... | [] | [] | [
[]
] | |
fifmb | Advice on how to effectively study science? | I am in my second semester of clinical nutrition and could really use some advice on studying science, particularly biochemistry and metabolism. My background is in social sciences, which really only requires review and understanding. I have loved chemistry, microbiology, biochemistry, and metabolism- they have opened ... | askscience | http://www.reddit.com/r/askscience/comments/fifmb/advice_on_how_to_effectively_study_science/ | {
"a_id": [
"c1g5zv8"
],
"score": [
2
],
"text": [
"Draw diagrams until you can make them from memory."
]
} | [] | [] | [
[]
] | |
3lo3u7 | How do denatured proteins in cooked food get absorbed and "used" in the body? | What I mean is: Proteins are essential components in the body for building all kind of things like building enzymes....I also know that proteins denature at high temperature and that this process is irreversible as you destroy the disulfide bond between the amino-acids. So if you cook your food for example an egg you a... | askscience | https://www.reddit.com/r/askscience/comments/3lo3u7/how_do_denatured_proteins_in_cooked_food_get/ | {
"a_id": [
"cv7uu2i",
"cv7vj4o",
"cv7ywam",
"cv80tx2",
"cv82b8s",
"cv8bxzz",
"cv8ef28",
"cv8owvu"
],
"score": [
450,
68,
16,
2,
5,
4,
5,
2
],
"text": [
"You already solved it - proteins are made from amino acids. Denaturing a protein just ch... | [] | [] | [
[],
[],
[],
[],
[
"http://study.com/academy/lesson/protein-digestion-and-absorption-process.html"
],
[],
[],
[]
] | |
2kfgkc | What did the Founding Fathers do for fun? | Did they like sports? What did they do on holidays? Hang out with family, or each other? What kinds of drinks and foods did they like? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2kfgkc/what_did_the_founding_fathers_do_for_fun/ | {
"a_id": [
"clkwuo6",
"clkxovq",
"clky7rs",
"clkycv2",
"clkz74v",
"cll1qrp",
"cll5wd0"
],
"score": [
530,
439,
113,
246,
90,
17,
39
],
"text": [
"[terrible one-line answers about marijuana and sex] \n\nPlease stop posting these. People come to AskH... | [] | [] | [
[
"http://www.reddit.com/r/AskHistorians/wiki/rules#wiki_write_an_in-depth_answer"
],
[],
[
"http://www.lairdandcompany.com/ancestry.htm",
"http://www.monticello.org/site/house-and-gardens/vineyards",
"http://www.slate.com/articles/life/drink/2011/12/george_washington_loved_the_stuff_and_you_m... | |
batcsj | which consequences of a dam being built lead to environmental change/damage? | I understand that when a dam is built it frequently has massive effects on the surrounding nature (though I'm unsure to what degree this damage is caused up and down stream respectively).
But why? Disregarding the damage that BUILDING the dam would cause for a moment, wouldn't this be a zero sum situation? Water has t... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/batcsj/eli5_which_consequences_of_a_dam_being_built_lead/ | {
"a_id": [
"ekdtj1q",
"ekdvibw",
"ekdxr03",
"eke7zwo"
],
"score": [
5,
2,
2,
3
],
"text": [
"One problem is that the dam floods the valley behind it, turning it into a lake. This kills virtually everything that was previously growing in the valley.",
"Opening a spillwa... | [] | [] | [
[],
[],
[],
[
"https://rittmeyer.com/fileadmin/user_upload/bilder/messtechnik-anwendungen/wasserkraft-druckleitungsueberwachung.jpg",
"https://www.bchydro.com/content/dam/BCHydro/customer-portal/documents/corporate/safety/dam-safety-report-q3-february-2015.pdf"
]
] | |
devfls | Where are we in the current Milankovitch cycle? And when would the next ice age be (if there was no human cause climate change)? | askscience | https://www.reddit.com/r/askscience/comments/devfls/where_are_we_in_the_current_milankovitch_cycle/ | {
"a_id": [
"f2zqgxb"
],
"score": [
22
],
"text": [
"Firstly, there isn't a single Milankovitch cycle. Milankovitch cycles describe a set of different cyclical changes in the Earth's orbit around the sun and rotational axis. Whilst this is a simplification, there are three main cycles that respect... | [] | [] | [
[
"https://agupubs.onlinelibrary.wiley.com/doi/10.1002/2015RG000482",
"https://upload.wikimedia.org/wikipedia/commons/5/53/MilankovitchCyclesOrbitandCores.png",
"https://www.nature.com/articles/nature16494"
]
] | ||
1jeps5 | why people need to be raised and schooled to live well as a person, but my cat, who's not around other cats, knows how to live well like a cat? | Hard to explain. Pets have their instincts that help them survive, why do humans need help in order to live a good life? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1jeps5/eli5_why_people_need_to_be_raised_and_schooled_to/ | {
"a_id": [
"cbdxe34",
"cbdxe61",
"cbdxgbe",
"cbdxgiu",
"cbdz46h",
"cbdz9sr",
"cbdzpry",
"cbe73db",
"cbe9pkq",
"cbecpir"
],
"score": [
17,
48,
5,
2,
8,
15,
18,
3,
2,
3
],
"text": [
"I've written and deleted about 5 starts to t... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | |
78zhjo | How much authority did Kaiser Wilhelm II actually have during the First World War? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/78zhjo/how_much_authority_did_kaiser_wilhelm_ii_actually/ | {
"a_id": [
"doykrzu",
"doyup9k"
],
"score": [
17,
17
],
"text": [
"Hi, I'm a student of German and politics rather than history directly. I can't provide a hyper detailed account of Wilhelm II's role in the First World War but what I can do is give some background to the constitution of t... | [] | [] | [
[],
[]
] | ||
4l529q | Does the surface of the Earth "flatten out" to any extent due to space-time curvature? | I apologize, I know it sounds like a stupid question. I'm thinking of that pithy line, "mass tells space how to curve, space tells mass how to move." I remember visual gravitational models that suggest that heavy astronomical objects acts a little like dimples on a canvas, drawing objects to them and "curving" straight... | askscience | https://www.reddit.com/r/askscience/comments/4l529q/does_the_surface_of_the_earth_flatten_out_to_any/ | {
"a_id": [
"d3kgcse"
],
"score": [
10
],
"text": [
"The answer is yes or no depending on exactly how you phrase the question. Let me explain:\n\nLet me just specify first that these effects are *minuscule*. Basically Earth's mass curves spacetime, sure; the components of curvature relating time a... | [] | [] | [
[]
] | |
3gewrf | Do nerve cells/nerve systems work like actual circuits? | I.e. Do nerve cells have the equivalent components of inductors, capacitors, resistors, power sources, etc., and can the brain/nervous system be modeled like this? Also does memory in nerves work at all like simple digital memory/logic gates? | askscience | http://www.reddit.com/r/askscience/comments/3gewrf/do_nerve_cellsnerve_systems_work_like_actual/ | {
"a_id": [
"ctyge41"
],
"score": [
2
],
"text": [
"I don't know too much about electronics yet so bear with me and let me know if I make a mistake. Neurons work very differently than our electronics. They're vastly more complicated and more simple at the same time. For one, each individual neuron... | [] | [] | [
[]
] | |
1k4fs0 | what the hell is the deal with bronies? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1k4fs0/eli5_what_the_hell_is_the_deal_with_bronies/ | {
"a_id": [
"cbl93de"
],
"score": [
2
],
"text": [
"They are fans of the show My Little Pony, similar to how Trekkers are fans of Star Trek and Browncoats are fans of Firefly. "
]
} | [] | [] | [
[]
] | ||
136668 | If infrared is just another "place" on the spectrum that includes visible light, can something be painted infrared? Or is the "visible light spectrum" different in some way apart from the fact that we can only see that? | Also, if something had the "color" infrared, or ultraviolet, would it be invisible to us? | askscience | http://www.reddit.com/r/askscience/comments/136668/if_infrared_is_just_another_place_on_the_spectrum/ | {
"a_id": [
"c7155cu",
"c7157qt",
"c715ca2"
],
"score": [
5,
5,
5
],
"text": [
"Yes. Although when you say \"painted\" you're defining the spectrum as what you can see. A blue object reflects blue light and absorbs light from all other colors in the visible spectrum. But a what you... | [] | [] | [
[],
[
"https://www.youtube.com/watch?v=4uNyQW29xGA",
"http://www.spectraloptics.com/nbreflective"
],
[]
] | |
25bovm | Was the Roman legal system the most modern and developed legal system during ancient times? | So many of our legal terms (Habeus Corpus, In forma paupis, ex post facto etc.) come from Latin, so certainly the Romans did something correctly, or the Roman legal system was just one of the best in its time? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/25bovm/was_the_roman_legal_system_the_most_modern_and/ | {
"a_id": [
"chfpl4e"
],
"score": [
2
],
"text": [
"You're almost assuming that the derivation of western legal traditions in large part from Roman law was a conscious choice or decision over other alternate systems that were less \"developed\".\n\nIt's basically tautological, but the reason for t... | [] | [] | [
[]
] | |
1nbr7b | why is it called "surfing" the web? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1nbr7b/eli5_why_is_it_called_surfing_the_web/ | {
"a_id": [
"cch50tu",
"cch6gr4",
"cch80vv",
"cch8ehf"
],
"score": [
9,
7,
4,
2
],
"text": [
"Language left over from channel surfing on TV.",
"The internet is a series of tubes, thus it can be described as tubular. Tubular is an expression that was common among surfers... | [] | [] | [
[],
[],
[],
[]
] | ||
1uknyr | How "woman-friendly" was early Christianity, at least for its place and time? | I've heard that very early Christianity - in its first and second century iterations, before it became more mainstream - featured women in prominent leadership roles and generally gave women a higher "status" in the religion than later versions of Christianity did. I've even heard that members of other religions in the... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1uknyr/how_womanfriendly_was_early_christianity_at_least/ | {
"a_id": [
"cej1tx4",
"cej1yg9",
"cej8mko"
],
"score": [
6,
2,
17
],
"text": [
"Keep in mind that Paul's letters to Timothy were likely not written by Paul, but rather attributed to him long after he died. Paul's authentic letters are more radical (Galatians 3:28, \"There is neit... | [] | [
"http://juniaproject.com/phoebe-servant-or-minister/"
] | [
[
"http://www.earlychristianwritings.com/text/pliny.html"
],
[],
[]
] | |
3lhbo3 | If you were standing on the surface of Pluto (or one of the outer planets), how much illumination would the sun actually provide for you to see with the naked eye? | I understand the outer planets are gaseous planets with no "surface," but I think you know what I mean.
Would it be like a night on earth with a full moon? No moonlight? Bright enough that daylight would be easily discernible from night? | askscience | https://www.reddit.com/r/askscience/comments/3lhbo3/if_you_were_standing_on_the_surface_of_pluto_or/ | {
"a_id": [
"cv6r4ec"
],
"score": [
8
],
"text": [
"The amount of sunlight is decreases by a factor of roughly the square of the distance. So if you are 10 times further away the sun is 100 times dimmer. Pluto is over 30 times further away than the Earth is from the sun, so the sun is about 90 tim... | [] | [] | [
[]
] | |
60xctc | what is poison? | Why does bug spray not kill humans? Why can some animals endure things that would kill humans? Does gasoline or bleach or overdose of medication kill you by the same mechanism as cyanide or strychnine or the 'vegetable alkaloids' from old murder mystery books? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/60xctc/eli5_what_is_poison/ | {
"a_id": [
"dfa1fp4",
"dfa1i4t"
],
"score": [
8,
2
],
"text": [
"Really, a poison is something that will harm or kill you if taken into your body in an amount you're likely to encounter. Technically, water or caffeine (or anything) will kill you if you take enough of it, so that's why I a... | [] | [] | [
[],
[]
] | |
n63ht | why are there so many different electrical outlets in this world? | I just found [this](_URL_0_) on 9gag and was wondering. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/n63ht/eli5_why_are_there_so_many_different_electrical/ | {
"a_id": [
"c36jti6",
"c36megt",
"c36jti6",
"c36megt"
],
"score": [
2,
2,
2,
2
],
"text": [
"I would say because there are so many countries. Theoretically, a mass summit could create a universal wall plug that countries could then opt into, but no one really has any incen... | [] | [
"http://d24w6bsrhbeh9d.cloudfront.net/photo/944946_460s_v1.jpg"
] | [
[],
[],
[],
[]
] | |
1e0ydd | why is there so much media attention on the jodi arias case? | There has been some sort of coverage about it for weeks now. Why do so many people care about it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1e0ydd/eli5_why_is_there_so_much_media_attention_on_the/ | {
"a_id": [
"c9vq359",
"c9vq4pc",
"c9vt65r",
"c9vtjxe",
"c9vuvqc"
],
"score": [
6,
28,
2,
3,
7
],
"text": [
"America loves a killer. Bonus points for being a freak in the sack.",
"Attractive white girl + violent crime = media frenzy",
"My mother has kept me ... | [] | [] | [
[],
[],
[],
[],
[]
] | |
6ysomi | How the bloody hell did an old italic alphabet reach scandinavia and became the runic alphabet used by germanics ? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6ysomi/how_the_bloody_hell_did_an_old_italic_alphabet/ | {
"a_id": [
"dmqzw62"
],
"score": [
3
],
"text": [
"There is a large debate on the origin of runes. Simply because we do not know 'exactly when, where, why or by whom runes were first created' (Findell 2014:6). \n\nBarnes (2012: 9-10) lays out four basic points that runologists agree upon concerni... | [] | [] | [
[]
] | ||
4uaj4w | what exactly causes the sickly gross-tasting burps that occur after overeating? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4uaj4w/eli5what_exactly_causes_the_sickly_grosstasting/ | {
"a_id": [
"d5o5a6o",
"d5piht4"
],
"score": [
5,
2
],
"text": [
"A pocket of air is always present in your stomach (and visible on a standard chest X-ray).\nWhen eating, some more air gets in through swallowing.\nThe stomach doesn't immediately empty itself when eating, so imagine all you... | [] | [] | [
[],
[]
] | ||
2a94fz | When referring to temperature, what exactly is a degree? | askscience | http://www.reddit.com/r/askscience/comments/2a94fz/when_referring_to_temperature_what_exactly_is_a/ | {
"a_id": [
"cisov92",
"cisqqaz",
"ciszktt"
],
"score": [
3,
2,
2
],
"text": [
"Temperature is really a measure the average kinetic energy of the molecules. As they gain energy (heat) they tend to move around more. Degrees are a fundamental unit, meaning they aren't a product of ot... | [] | [] | [
[],
[],
[]
] | ||
35cyo2 | why do my hands get clammy when i am afraid? evolutionarily shouldn't i increase my grip ability rather than losing grip with moisture? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/35cyo2/eli5_why_do_my_hands_get_clammy_when_i_am_afraid/ | {
"a_id": [
"cr39xzz",
"cr3aykw",
"cr3b6j3"
],
"score": [
4,
73,
48
],
"text": [
"When you're afraid, your body's processes speed up, especially ones that help you deal with stress. Most important in regulating your body under stress is temperature regulation, which is primarily ha... | [] | [] | [
[],
[],
[
"http://rsif.royalsocietypublishing.org/content/3/10/689",
"http://en.wikipedia.org/wiki/Dispersive_adhesion"
]
] | ||
2mckub | how is blackberry still in business when no one uses one? i don't know a single person who still uses a blackberry. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2mckub/eli5_how_is_blackberry_still_in_business_when_no/ | {
"a_id": [
"cm2z0f7",
"cm2z3e0",
"cm2z3fq",
"cm2z3t8",
"cm30mp4"
],
"score": [
5,
3,
3,
3,
2
],
"text": [
"How many people do you know? Let's be generous and say 500.\n\nThat's a rounding error on the population of the US. So your circle is probably not a great i... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
8qvg94 | is there an architectural advantage to “the pentagon” building being shaped as a pentagon? like does it provide more security, or is it simply for aesthetics? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8qvg94/eli5_is_there_an_architectural_advantage_to_the/ | {
"a_id": [
"e0mc2ay",
"e0mck7u",
"e0mdc3h"
],
"score": [
11,
29,
5
],
"text": [
"It would be cool if there was an amazing architectural advantage to the shape. The truth, as truth often is, is spectacularly boring and ordinary.\n\nThe simple truth of the matter was that the land t... | [] | [] | [
[
"http://www.washingtonpost.com/wp-dyn/content/graphic/2007/05/24/GR2007052400817.gif"
],
[],
[
"https://en.wikipedia.org/wiki/Arlington_Farms#/media/File:ArlingtonFarmsAerialPhoto1949.png",
"http://www.washingtonpost.com/wp-dyn/content/graphic/2007/05/24/GR2007052400817.gif"
]
] | ||
5bnutf | how are amazon third-party book vendors able to offer new and recently-published books in "new" or "like new" condition so quickly? | A book's publication date was set for today, Mon. Nov. 7th. Third-party booksellers on Amazon have already started selling the book for a few dollars below the Amazon price for the book, in new / like new condition. How do they do this? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5bnutf/eli5_how_are_amazon_thirdparty_book_vendors_able/ | {
"a_id": [
"d9pvk7m",
"d9pw8pr",
"d9pxese"
],
"score": [
2,
3,
7
],
"text": [
"In general, many third-party booksellers on Amazon used automated programs to handle their inventory. Some of them simply have the computer programmed to update when they receive new inventory, and thus... | [] | [] | [
[],
[],
[
"https://www.amazon.com/BC-BASIC-Reference-manual-tutorial/dp/1517450675/ref=sr_1_1"
]
] | |
199l3w | Does the speed of light apply as a limit to how fast something can rotate? | I have wondered this for a while: is there an upper limit on how fast something can rotate, similar to nothing being able to travel from A to B faster than c? Or is this a silly question? | askscience | http://www.reddit.com/r/askscience/comments/199l3w/does_the_speed_of_light_apply_as_a_limit_to_how/ | {
"a_id": [
"c8m1aiz",
"c8m4iec"
],
"score": [
10,
3
],
"text": [
"There's no limit on angular velocity, but there is a limit on tangential velocity at any point on a rotating body. So if something has a relatively small diameter, it can rotate very fast. However, if you start looking at... | [] | [] | [
[],
[]
] | |
fcu7ak | Humans seem to have a universally visceral reaction of disgust when seeing most insects and spiders. Do other animal species have this same reaction? | askscience | https://www.reddit.com/r/askscience/comments/fcu7ak/humans_seem_to_have_a_universally_visceral/ | {
"a_id": [
"fjff9pd",
"fjfhjg1",
"fjfndqg",
"fjfwxxp",
"fjfywj1",
"fjg011q",
"fjgwuli",
"fjdpnhx",
"fjdritc"
],
"score": [
250,
46,
56,
7,
4,
13,
2,
2268,
211
],
"text": [
"Actually, elephants avoid bees. Whether or not it’s disgust ... | [] | [] | [
[
"https://www.smithsonianmag.com/smart-news/how-scent-angry-bees-could-protect-elephants-180969777/",
"https://www.sciencemag.org/news/2010/04/elephants-have-alarm-call-bees",
"http://elephantsandbees.com"
],
[],
[],
[],
[],
[],
[],
[
"https://www.pnas.org/content/110/47/19000"
],... | ||
i45zf | How can i make colored fire? | I saw this on a tv show on g4 one day and it blew my mind. | askscience | http://www.reddit.com/r/askscience/comments/i45zf/how_can_i_make_colored_fire/ | {
"a_id": [
"c20r7s2",
"c20syxq"
],
"score": [
4,
2
],
"text": [
"Different chemical elements burn with different coloured flames. \n\nSee: [Flame tests](_URL_0_)",
"The other two posters got it right. My favorite metals to burn are [copper](_URL_0_) and [barium](_URL_2_), and [calcium... | [] | [] | [
[
"https://secure.wikimedia.org/wikipedia/en/wiki/Flame_tests"
],
[
"http://www.flickr.com/photos/37388341@N00/7898207/",
"http://www.flickr.com/photos/37388341@N00/1490582001/",
"http://www.flickr.com/photos/37388341@N00/1490598805/"
]
] | |
sdams | A question about the Gestapo secret police of Nazi Germany | Were the Gestapo very active in the policing of the people or was it more the SS? Or who was it if neither? I'm writing a 6 page research paper about how the people of Germany were controlled by Hitler through different so and any little tidbits of info could help also.
Thanks | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/sdams/a_question_about_the_gestapo_secret_police_of/ | {
"a_id": [
"c4d6ejp",
"c4d9ypk"
],
"score": [
2,
2
],
"text": [
"The [Ordnungspolizei](_URL_1_) was responsible for most of the day-to-day police duties during the war, and that article suggests that they took on other duties as well, such as fire fighting. The [Kripo](_URL_0_) served as ... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Kriminalpolizei",
"http://en.wikipedia.org/wiki/Ordnungspolizei"
],
[]
] | |
47e7wr | why are most cities "downtown" sections really shitty when they're usually a popular | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/47e7wr/eli5_why_are_most_cities_downtown_sections_really/ | {
"a_id": [
"d0c9mcl"
],
"score": [
2
],
"text": [
"Maintenance of a downtown area is a tremendous undertaking. For example, repairing the streets could mean closing down the street for days and days. Colossal traffic jam, redirecting bus routes, businesses on that street pissed off, etc. It's ... | [] | [] | [
[]
] | ||
8ad5be | Why can you refuel a plane mid-flight, but you can't refuel a car while it's running? | askscience | https://www.reddit.com/r/askscience/comments/8ad5be/why_can_you_refuel_a_plane_midflight_but_you_cant/ | {
"a_id": [
"dwxrax4",
"dwxrftu",
"dwyghn0",
"dwykziy",
"dwzg6n1"
],
"score": [
8,
23,
3,
3,
2
],
"text": [
"You can refuel a car while it's running.\n\nThe difference is that most filling stations are not designed to refuel a car while it's running.\n\nIn an airpla... | [] | [] | [
[],
[],
[
"https://www.youtube.com/watch?v=mE4Y7swUZyw"
],
[
"https://en.wikipedia.org/wiki/Operation_Black_Buck"
],
[]
] | ||
zu453 | Why did Truman perform better in suburbs than cities? | In one of my classes today we were talking about polling, sampling, ect. Of course, one of the classic examples of poor polling was Dewey Beats Truman. According to my Professor, the reason for this blunder was because polling was over sampling cities, not accounting for the demographic shifts of the time.
My question... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/zu453/why_did_truman_perform_better_in_suburbs_than/ | {
"a_id": [
"c67rulo",
"c67tnrl"
],
"score": [
3,
2
],
"text": [
"The easiest way to answer that would be to say that the parties in 1948 were not the parties you know today.\n\nBoth parties had a liberal wing and a conservative wing. Dewey was from the northeast, the liberal wing of the R... | [] | [] | [
[],
[]
] | |
1wrt1b | How do we decide which stars are important enough to name? | How do we decide which stars are important enough to name? There's such a huge number, what is the criteria for deciding which ones to focus on? | askscience | http://www.reddit.com/r/askscience/comments/1wrt1b/how_do_we_decide_which_stars_are_important_enough/ | {
"a_id": [
"cf4xclh"
],
"score": [
5
],
"text": [
"Most of the names are historical, and the modern convention is not to assign names to newly discovered stars. This [wikipedia article](_URL_0_) and some of the others it links to give a pretty good discussion."
]
} | [] | [] | [
[
"http://en.wikipedia.org/wiki/Star_designation"
]
] | |
2lmde9 | why, when i eat terribly (pizza, cookies, chips, beer, etc) can i eat a lot, but when i clean diet, i get so full and 2k calories is hard to get each day? | Srsly--I can put down 1.5 Little Caesar Hot-n'-readies and a sixer of Coors Lite, but now, after 3 weeks of clean eating, 1 gallon of water a day, and exercise 4 times a week, getting my 2,000 calories is SO filling and eating takes WORK.
< ---'Merican | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2lmde9/eli5_why_when_i_eat_terribly_pizza_cookies_chips/ | {
"a_id": [
"clw4s91",
"clw92b5",
"clw9lnh"
],
"score": [
2,
7,
2
],
"text": [
"Define \"clean eating.\" I know a lot of people that cut back on junky, carb-heavy foods and are much less hungry. It has to do with your insulin spikes and resulting hormone suppression (leptin mostly)... | [] | [] | [
[],
[],
[]
] | |
2bm2xo | is there a possibility in the future for full immersion virtual reality gaming? | I'm very excited about the Occulus Rift but it got me thinking and I began to wonder if there was a possibility for VR gaming that is fully immersed (you have sense of sight, smell, touch, etc).
Sort of like you would be able to log in and just sit down in a chair for a few hours but in the VR you would be fully func... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2bm2xo/eli5_is_there_a_possibility_in_the_future_for/ | {
"a_id": [
"cj6nboo"
],
"score": [
2
],
"text": [
"Anything is possible, someday, as long as that thing doesn't violate fundamental physical laws. And even then, who knows.\n\nPractically though, yes, this is reasonable some day. One of the critical aspects here for experiencing this \"just [sit... | [] | [] | [
[
"http://www.wired.co.uk/news/archive/2013-05/31/darpa-touch-sensitive-prosthetic",
"http://en.wikipedia.org/wiki/Cochlear_implant"
]
] | |
15sxsp | The closest star to earth is 4.3 light years away. Is this par for the course in the Milky Way? | Basically, is our cosmic neighborhood crowded, isolated, or about average | askscience | http://www.reddit.com/r/askscience/comments/15sxsp/the_closest_star_to_earth_is_43_light_years_away/ | {
"a_id": [
"c7pip78"
],
"score": [
5
],
"text": [
"The density of stars decreases as you move away from the galactic centre. There, stars are much closer together."
]
} | [] | [] | [
[]
] | |
2hjvzf | why can't we make a system similar to a human body that gets energy from food? | For example instead of running cars on gas, we would put cheese and bread in the car to run. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2hjvzf/eli5_why_cant_we_make_a_system_similar_to_a_human/ | {
"a_id": [
"cktbxx1",
"cktc1es"
],
"score": [
2,
2
],
"text": [
"We could do that. We don't because it would be horribly inefficient compared to the fuels we already use, or most of the alternatives we've already devised.",
"They exist already. They're called horses.\n\nIn fact, the ... | [] | [] | [
[],
[]
] | |
2s7b9s | Is physical information within our universe finite? | Bonus question: Is information (in all forms) finite? | askscience | http://www.reddit.com/r/askscience/comments/2s7b9s/is_physical_information_within_our_universe_finite/ | {
"a_id": [
"cnmu0cz"
],
"score": [
6
],
"text": [
"According to (quantum) information theory, the answer to both questions is yes, since \"[information is physical](_URL_0_)\", as [Rolf Landauer](_URL_1_) puts it in the linked paper.\n\nSince there is only a finite amount of matter in the observa... | [] | [] | [
[
"http://cqi.inf.usi.ch/qic/64_Landauer_The_physical_nature_of_information.pdf",
"https://en.wikipedia.org/wiki/Rolf_Landauer"
]
] | |
a1b9x0 | how does online banking work without the exchange of actual money? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a1b9x0/eli5_how_does_online_banking_work_without_the/ | {
"a_id": [
"eaoac3n",
"eaoanyv",
"eaob8af"
],
"score": [
4,
2,
5
],
"text": [
"When person A pays person B, the bank takes money out of A's account and deposits it in B's account.\n\nIf they use two different banks, the banks cooperate through a very elaborate digital money transf... | [] | [] | [
[],
[],
[]
] | ||
g1d5ij | how does game streaming service (geforce now, stadia) have little to no lag, while traditional remote desktops (chrome remote desktop, microsoft remote desktop etc) having significant lags? | Just tried out GeForce Now and amused by its little latency.
But when I tried a traditional remote desktop (Phone to PC in a local network, so should eliminate the internet bandwidth problem), the lag is more significant than GeForce Now.
I wonder is it the underlying technology is different? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/g1d5ij/eli5_how_does_game_streaming_service_geforce_now/ | {
"a_id": [
"fnexphc"
],
"score": [
4
],
"text": [
"Whatever remote desktop program you're running has to render *and then* encode the video feed of the desktop on the computer that you're connecting to. The encoding takes a little bit of time. That little bit of time, combined with the fact tha... | [] | [] | [
[]
] | |
j4t0f | For lack of a better way to put it: What "sets" the speed of light? | I know that asking "what can go faster than the speed of light?" doesn't really make sense but I have always wondered on why *c* actually is...
It's proving very awkward for me to word. To try and put it another way: I've always assumed that the speed of light was due to the nature of the photons which are travelling ... | askscience | http://www.reddit.com/r/askscience/comments/j4t0f/for_lack_of_a_better_way_to_put_it_what_sets_the/ | {
"a_id": [
"c29bjrh",
"c2957fu",
"c295kjq",
"c297h8r",
"c29bjrh"
],
"score": [
2,
5,
20,
2,
2
],
"text": [
"The speed of light is actually the speed of an electromagnetic wave. The phrase *electromagnetic wave* is quite common but what does it actually mean?\n\nAn... | [] | [] | [
[],
[
"http://www.reddit.com/r/askscience/comments/fjwkh/why_exactly_can_nothing_go_faster_than_the_speed/"
],
[],
[],
[]
] | |
d0orqm | Why did savory pie culture (shepherd's pie, chicken pot pie, etc.) not transfer to North America nearly as well as desert pie culture (apple pie, blueberry pie, etc.) while by comparison it thrived in Europe? | *Dessert
Also the question is about savory pies vs. sweet pies not exclusively chicken pot pies. I get that it wasn't the best example since it is popular across the US but that doesn't mean savory pies as a whole are when compared with their sweet counterparts.
As u/ThomasTTEngin pointed out, a potential addition to... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/d0orqm/why_did_savory_pie_culture_shepherds_pie_chicken/ | {
"a_id": [
"ezc6d0i",
"ezcbz2k",
"ezcjyun"
],
"score": [
97,
1154,
793
],
"text": [
"As usual, I'm here to suggest you cross-post this question to /r/askfoodhistorians which isn't quite as well-known but has a much more focused subscriber base.",
"The short, simple answer to y... | [] | [] | [
[],
[],
[
"https://books.google.com/books?id=8UckAQAAMAAJ&pg=PA88",
"https://chroniclingamerica.loc.gov/lccn/sn84020558/1909-08-15/ed-1/seq-12/",
"http://menus.nypl.org/dishes/381067",
"https://books.google.com/books?id=s965Q3jBphAC&pg=PA277",
"https://chroniclingamerica.loc.gov/lccn... | |
9yl8h3 | how does country get richer through protectionism? | How this process work? All the 1st world countries were using protectionism at the beginning and only later started to allow free market from what I see. Would it be a disaster for economy if some country let's say from former Eastern Bloc started to use protectionism and why? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9yl8h3/eli5how_does_country_get_richer_through/ | {
"a_id": [
"ea2z3d7",
"ea300nr"
],
"score": [
7,
2
],
"text": [
"So the idea is that protectionism keeps profits inside your own country. I buy a car from Ford for $20,000, they spent $15,000 to make it, so they earn 5,000 in profit, and because they're an American company, that profit st... | [] | [] | [
[],
[]
] | |
24nc0m | How can we detect Anti-matter stars if they exist? | Should a sun made of anti-matter emit a spectrum similar to our sun or will it be different? | askscience | http://www.reddit.com/r/askscience/comments/24nc0m/how_can_we_detect_antimatter_stars_if_they_exist/ | {
"a_id": [
"ch8t1w0"
],
"score": [
17
],
"text": [
"If there are pockets of the observable universe where antimatter is common, then those pockets will have borders. At the borders, a primarily matter region will be interacting with a primarily antimatter region, meaning they will be annihilating... | [] | [] | [
[]
] | |
szdtr | what the current state of the marvel comics universe is | I've always loved comics, but I grew up very far from any respectable comics shop. I recently moved across the country for a job and ended up living right next to two awesome comics shops, so now I'm in heaven. My move coincided with DC's new 52, so it was really easy for me to pick up some new titles to read from that... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/szdtr/eli5_what_the_current_state_of_the_marvel_comics/ | {
"a_id": [
"c4i8r4o"
],
"score": [
2
],
"text": [
"do you want spoilers?"
]
} | [] | [] | [
[]
] | |
26msmk | To what extent is the modern notoriety and recognition of Caesar, Antony, Cleopatra, Brutus, etc. the result of Shakespeare? | If it weren't for Shakespeare, would Julius Caesar, to say nothing of Mark Antony, be such a universally recognized name? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/26msmk/to_what_extent_is_the_modern_notoriety_and/ | {
"a_id": [
"chsja3d"
],
"score": [
4
],
"text": [
"I can only speak about notoriety and recognition in the anglophone world.\n\nCaesar, Antony, Brutus, and Cleopatra would definitely still be remembered without Shakespeare's plays. Having one of the most famous writers in history make your life ... | [] | [] | [
[
"http://www.reddit.com/r/AskHistorians/comments/21h57t/how_much_of_shakespeares_julius_caesar_is/cgd0ci0?context=3",
"http://books.google.com/books?id=1LcUAAAAYAAJ&printsec=frontcover&dq=Plutarch's+lives&hl=en&sa=X&ei=AvmEU53_L5SjqAaj2IDoCA&ved=0CC4Q6wEwAA#v=onepage&q=Plutarch'... | |
3g24y8 | why do radio stations change by region?? and how come xm is the same across america/the world? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3g24y8/eli5_why_do_radio_stations_change_by_region_and/ | {
"a_id": [
"ctu4cq4",
"ctu4fs2",
"ctu4gbi",
"ctu4gr8"
],
"score": [
3,
2,
2,
2
],
"text": [
"Radio stations have an antenna and they broadcast their signal out. But the Earth is round, so most of the Earth isn't within reach of the antenna (there's a planet in the way of t... | [] | [] | [
[],
[],
[],
[]
] | ||
38ibez | why is there such a disconnect between science and the government? | For example why do LSD and psilocybin remain classified as ‘schedule I’ (high potential for abuse, no accepted medical usage, and lack of safety even when used under medical supervision), or why is saturated fat and cholesterol still considered bad and to be avoided at all cost? Shouldn't the government follow science... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/38ibez/eli5_why_is_there_such_a_disconnect_between/ | {
"a_id": [
"crv8nqk"
],
"score": [
7
],
"text": [
"Because there is a disconnect between people and science.\n\nThe government will only change things that benefit them, or that there is enough public demand for that changing it would increase their chances of continued election.\n\nIf the majori... | [] | [] | [
[]
] | |
cxwafw | Floating Feature: STEM the Tide of Ignorance by Sharing the History of Science and Technology | AskHistorians | {
"a_id": [
"eynxtsb",
"eyo3hdo",
"eyojf9b",
"eyomav5",
"eyomuta",
"eyoow2j",
"eyovxv0",
"eyp064w",
"eyp4bm0",
"eyp70ox",
"eyp87z1",
"eypatgv",
"eypq56s",
"eyrn7bu"
],
"score": [
346,
114,
52,
55,
40,
181,
11,
21,
15,
... | [] | [] | [
[],
[
"https://www.reddit.com/r/AskHistorians/comments/5hq6dx/sunday_digest_interesting_overlooked_posts/db2asfo/",
"https://www.youtube.com/watch?v=HU7Ga7qTLDU"
],
[
"https://www.nobelprize.org/prizes/economic-sciences/2009/ostrom/facts/",
"https://en.wikipedia.org/wiki/Tragedy_of_the_commons... | |||
78jrjn | Can an insect be “fat”? How do they store energy? | How long can an insect go about it’s business on its reserves? | askscience | https://www.reddit.com/r/askscience/comments/78jrjn/can_an_insect_be_fat_how_do_they_store_energy/ | {
"a_id": [
"doujdgs",
"doull9a",
"douob5n",
"dourfch",
"dousoc3",
"doux3c7",
"doux99a",
"douxxit",
"douzj5a",
"dov4gca",
"dov8e20",
"dova6ds",
"dovdxkw"
],
"score": [
5184,
1334,
202,
48,
15,
52,
10,
5,
2,
29,
6,
... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Honeypot_ant"
],
[
"https://www.ncbi.nlm.nih.gov/pubmed/2769712/",
"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3075550/"
],
[],
[
"https://www.youtube.com/watch?v=VqMijWK9ZOc",
"https://www.youtube.com/watch?v=pMbQ4-mrsZM"
],
[
"http://www.sci... | |
6rc5t0 | Does a multi-decade concentration of Radon gas lead to an accumulation of lead particles in an enclosed environment (basement)? | I was looking at [the decay chain for Radon](_URL_0_), and noticed that the first stable element in the chain is lead 210.
So if a basement, for example, has high Radon levels for, say 100 years, would that create a higher than normal concentration of lead in that enclosed environment? | askscience | https://www.reddit.com/r/askscience/comments/6rc5t0/does_a_multidecade_concentration_of_radon_gas/ | {
"a_id": [
"dl3zj11",
"dl41h5x",
"dl46a4e",
"dl4ij2e",
"dl4wz0m",
"dl5mt1h"
],
"score": [
1008,
36,
25,
7,
25,
2
],
"text": [
"We're talking about concentrations that would be nearly undetectable if the substances weren't radioactive. Let's run some numbers... | [] | [
"https://upload.wikimedia.org/wikipedia/commons/thumb/6/65/Decay_chain%284n%2B2%2C_Uranium_series%29.svg/350px-Decay_chain%284n%2B2%2C_Uranium_series%29.svg.png"
] | [
[],
[],
[
"https://www.cdc.gov/nceh/lead/tips/water.htm"
],
[],
[],
[]
] | |
39yn7o | Book suggestion for the 1933 coup, and the 1959 revolution? | Any help would be greatly appreciated. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/39yn7o/book_suggestion_for_the_1933_coup_and_the_1959/ | {
"a_id": [
"cs7mz9n"
],
"score": [
2
],
"text": [
"You may want to specify the country in your OP: some flaired users have auto-notifications set up for certain key words"
]
} | [] | [] | [
[]
] | |
3cmpxa | developing grey hair at a young age | I'm currently 16 and had found out not too long ago a bit of my hair has been starting to go greyish and one or 2 strands of hair are completely silver. I know it doesn't come from my family I've heard and read that the cause for this would be lots of stress and whatnot but I'm not sure if I can rely on that. Little bi... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3cmpxa/eli5_developing_grey_hair_at_a_young_age/ | {
"a_id": [
"csx01wt",
"csx1upt",
"csx4kvs",
"csx65b4",
"csx8ao4"
],
"score": [
15,
3,
5,
3,
4
],
"text": [
"Mine's genetic, but not as bad as my grandfather. He went completely grey by 20. Me, I'm salt and pepper right now. I don't mind though. Better to have h... | [] | [] | [
[],
[],
[],
[],
[]
] | |
10kmuj | Why did the Australopithecus become extinct? | Is there a reason why they are not still around today? I'm sorry if this is a silly question, I haven't covered evolution in school yet so I really don't know much about anything, but I just thought - if the chimps and apes are still around today, why aren't they? | askscience | http://www.reddit.com/r/askscience/comments/10kmuj/why_did_the_australopithecus_become_extinct/ | {
"a_id": [
"c6eaj7k"
],
"score": [
7
],
"text": [
"Of all of the primate human ancestors it could be said that they met one or a combination of three fates:\n\n* Evolve and occupy a separate niche which does not compete with what became human\n* Interbreed with what became human\n* Compete for re... | [] | [] | [
[]
] | |
39ryvj | Why does sand express the same properties of a non-Newtonian fluid when wet? Is it a non-Newtonian fluid? | askscience | http://www.reddit.com/r/askscience/comments/39ryvj/why_does_sand_express_the_same_properties_of_a/ | {
"a_id": [
"cs62t3b"
],
"score": [
3
],
"text": [
"Yes, a non-newtonian fluid acts like a solid when a force is applied because the particles of sand (or corn starch, etc) restrict the flow of water when pressure is applied. Additionally, the surface tension of the water keeps the particles bonde... | [] | [] | [
[]
] | ||
5urrvc | Is there a charge for the weak force? | The other three fundamental forces all seem to have charges which act as sources and/or sinks of flux. Electromagnetism has electric charge, gravity has mass and the strong force has colour. So is there a charge for the weak force? | askscience | https://www.reddit.com/r/askscience/comments/5urrvc/is_there_a_charge_for_the_weak_force/ | {
"a_id": [
"ddwnuzg"
],
"score": [
18
],
"text": [
"The equivalent of charge and colour for the weak force is flavour, with a caveat (edit: more precisely, weak isospin, as corrected below). Typically, flavour refers to the 6 different kinds of quarks and the six different kinds of leptons, but t... | [] | [] | [
[]
] | |
4y1eq0 | what is it like behind the scenes when a major website or video game has a massive crash? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4y1eq0/eli5_what_is_it_like_behind_the_scenes_when_a/ | {
"a_id": [
"d6k4s84",
"d6k53vi",
"d6k5zl3"
],
"score": [
5,
3,
2
],
"text": [
"Panic from everyone non-technical and loud sighs from all of the developers/network guys.\n\nIt's usually a straight-forward fix, so the tech people see \"work at off-hours that I don't get paid for bec... | [] | [] | [
[],
[],
[]
] | ||
9tz0un | Are there dangerous retroviruses in vaccines? | To clarify: no, I am not remotely an anti-vaxxer. I’m asking this because I found out yesterday that my ‘alternative medicine’-practising uncle is and I was *livid*.
He was watching some expert on TV talking about how it might be worth considering forcibly vaccinating children, and he cursed her aggressively and said ... | askscience | https://www.reddit.com/r/askscience/comments/9tz0un/are_there_dangerous_retroviruses_in_vaccines/ | {
"a_id": [
"e92yuh9"
],
"score": [
3
],
"text": [
"Unfortunately you may find it hard to reason with some people, even with good sources. My own father has a degree in Geography yet refuses to believe in man made climate change. Remember, for his theories such as Judy Mikovits being under duress ... | [] | [
"https://mbio.asm.org/content/3/5/e00266-12?sid=2c5ce94a-a8f4-404a-8e6e-6389779bb93e",
"https://www.ncbi.nlm.nih.gov/pubmed/26683689",
"https://en.wikipedia.org/wiki/Judy_Mikovits",
"https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0029223",
"https://www.ncbi.nlm.nih.gov/pubmed/21427399",
... | [
[
"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC87796/",
"https://www.ncbi.nlm.nih.gov/pubmed/12502826",
"https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0029223"
]
] | |
42ggdf | what happens to wildlife in a blizzard? | Animals that do not hibernate, like deer: how do they cope with 2-3' of snow, and drifts? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/42ggdf/eli5_what_happens_to_wildlife_in_a_blizzard/ | {
"a_id": [
"cza4a5n",
"cza4hvu",
"cza4rvd"
],
"score": [
47,
33,
5
],
"text": [
"More deer do die during really bad winter conditions, but it's surprising how ridiculously tough they are. During the end of fall they undergo a number of bodily and behavior changes: they eat way mor... | [] | [] | [
[],
[
"http://i.imgur.com/QMUm8UH.jpg"
],
[]
] | |
1vufgd | why does law enforcement need a warrant to search a suspects property? and why is evidence acquired without a warrant inadmissible? | Lets say law enforcement officials find conclusive evidence that somebody committed a heinous crime, the evidence however was acquired without a warrant, why is it inadmissible? isn't this injustice? how could a criminal walk free for such a technicality?
Edit; Thanks all, great answers! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1vufgd/eli5_why_does_law_enforcement_need_a_warrant_to/ | {
"a_id": [
"cevvknw",
"cevvomd",
"cevw0ta",
"cevwn0i"
],
"score": [
4,
5,
3,
3
],
"text": [
"The law is there to protect everyone, including the guilty. Look up the bill of rights, and the amendment which protects you against unwarranted search and seizure.\n\nRemember the... | [] | [] | [
[],
[],
[
"http://en.wikipedia.org/wiki/Stop-and-frisk_in_New_York_City",
"http://en.wikipedia.org/wiki/Exigent_circumstance_in_United_States_law"
],
[]
] | |
75tqvr | how is it economical to ship ramen packets? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/75tqvr/eli5_how_is_it_economical_to_ship_ramen_packets/ | {
"a_id": [
"do8w199",
"do8wjdk"
],
"score": [
5,
8
],
"text": [
"Based on their 2016 quarterly report, it costs Maruchan $2.15 billion to generate $3.40 billion in sales.\n\nThey're spending $0.157 to get that $0.25. It takes 3.6 billion packets of Ramen and a whole host of higher margin... | [] | [] | [
[],
[
"https://www.sjonescontainers.co.uk/container/dimensions.asp",
"https://www.walmart.com/ip/Maruchan-Chicken-Flavor-Ramen-Noodle-Soup-12-3-oz-Box/10450904#read-more"
]
] | ||
6biot3 | Is the radiation from a microwave oven considered a photon? | askscience | https://www.reddit.com/r/askscience/comments/6biot3/is_the_radiation_from_a_microwave_oven_considered/ | {
"a_id": [
"dhmwm02",
"dhmxnwc",
"dhmyktb"
],
"score": [
5,
2,
14
],
"text": [
"A classical light wave is not a photon. It's a coherent state with indefinite number of photons. You can't say exactly how many photons there are, it's in a superposition of different photon numbers. T... | [] | [] | [
[],
[],
[]
] | ||
4xbtrq | what are the differences in antibiotics that are designed for different varieties of infection (viral, fungal, bacterial, etc.) ? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4xbtrq/eli5_what_are_the_differences_in_antibiotics_that/ | {
"a_id": [
"d6e5hgr",
"d6e5ko9"
],
"score": [
7,
2
],
"text": [
"Antibiotics are *only* for treating bacterial infections. That's literally what the word means.\n\nIf you're looking at treating fungal infections, you need an antifungal. If you're looking to treat a viral infection, you ... | [] | [] | [
[],
[]
] | |
7y8rxt | How diverse was Bohemia during the fifteenth century? | There's been some controversy about the new PC game Kingdom Come: Deliverance not including people of color. It's historically set in Bohemia in 1403. Just how diverse was that region at that time? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7y8rxt/how_diverse_was_bohemia_during_the_fifteenth/ | {
"a_id": [
"duehir0"
],
"score": [
5
],
"text": [
"Hi, not discouraging more info here, but FYI there was a popular thread on this a couple of weeks ago, featuring /u/commiespaceinvader among others \n\n* [People are getting extremely upset because there are no black people in Kingdom Come: Deliv... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/7v1lil/people_are_getting_extremely_upset_because_there"
]
] | |
1jc9oe | machiavellianism | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1jc9oe/eli5_machiavellianism/ | {
"a_id": [
"cbd983t",
"cbd9dlz",
"cbd9pr9",
"cbdan2x",
"cbdbb5x",
"cbdg1e2",
"cbdhet3",
"cbdhm9u",
"cbefoio"
],
"score": [
23,
6,
120,
5,
3,
2,
2,
2,
2
],
"text": [
"1. Always have an out, even if it means sacrificing those closest ... | [] | [] | [
[],
[
"http://www.gutenberg.org/files/1232/1232-h/1232-h.htm"
],
[],
[],
[],
[],
[
"http://imgur.com/wSmxGcf"
],
[],
[]
] | ||
34mu10 | if we know jet fuel doesn't melt steel beams then how is 9/11 explained? | I don't get it. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/34mu10/eli5_if_we_know_jet_fuel_doesnt_melt_steel_beams/ | {
"a_id": [
"cqw4hia",
"cqw4m3k",
"cqw4oep",
"cqw593b"
],
"score": [
7,
14,
3,
11
],
"text": [
"Jet fuel can melt steel beams the guy who made the original theory even said he was talking through his ass. It was a small project ment to fuck with people. It wasn't ment to be... | [] | [] | [
[],
[],
[],
[]
] | |
4qoyhe | why are we able to predict astronomical events like eclipses and transits down to the minute but we still don't know when or if asteroids like bennu will hit earth? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4qoyhe/eli5_why_are_we_able_to_predict_astronomical/ | {
"a_id": [
"d4urt8i"
],
"score": [
5
],
"text": [
"A couple reasons:\n\nA) The moon is fairly large and obvious, so it's been observed for a very long time, so we have a *lot* of data to say where it's going to be. It is also less likely to be bothered by small disturbances tugging on it (it don... | [] | [] | [
[]
] | ||
52jqok | the difference between a gatling and a machine gun. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/52jqok/eli5_the_difference_between_a_gatling_and_a/ | {
"a_id": [
"d7ksx9e",
"d7kvwbl",
"d7l2jli",
"d7l5fyj"
],
"score": [
8,
11,
2,
2
],
"text": [
"A gatling gun uses multiple barrels, whereas a machine gun uses 1",
"Another distinction is that classic Gatling guns were hand-cranked, while true machine guns (Maxim onwards... | [] | [] | [
[],
[],
[],
[]
] | ||
cub4qp | How an Aerospike engine really works ? | Hi all,
I’m interested in all things rocket, and I found the Aerospike engine very interesting (and super cool looking)
However, I can’t understand what makes it work correctly compared to a normal bell engine :
\-The bell shape is here to redirect the flow (that have a random distribution) so that its coming out ... | askscience | https://www.reddit.com/r/askscience/comments/cub4qp/how_an_aerospike_engine_really_works/ | {
"a_id": [
"ext8na8"
],
"score": [
18
],
"text": [
" > I don’t understand, why, in that case, the thrust isn’t expending on the side like a normal random flow firing in all direction ? the exhaust pressure is still much higher than air….. one side of the exhaust is on the spike make a “half” bel... | [] | [] | [
[
"http://www.aerospaceweb.org/design/aerospike/aerodynamics.shtml",
"http://www.aerospaceweb.org/design/aerospike/figures/fig09.jpg"
]
] | |
54pbgt | what's the difference between debt and bankrupt? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/54pbgt/eli5_whats_the_difference_between_debt_and/ | {
"a_id": [
"d83tizg",
"d83veuf"
],
"score": [
2,
7
],
"text": [
"Debt is what you owe, but have the means to pay it off.\n\nBankrupt means you have debt, but no means to pay it off.",
"**Debt** just means you owe someone money. You're have to give it back with interest at some point(s... | [] | [] | [
[],
[]
] | ||
3bs3b9 | if it is legal to have up to 1oz of weed, how do drug dealers keep from getting arrested since they obviously have more? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3bs3b9/eli5_if_it_is_legal_to_have_up_to_1oz_of_weed_how/ | {
"a_id": [
"csoyehb",
"csoyls7"
],
"score": [
2,
2
],
"text": [
"This is really a ask a legal question, not a concept question.",
"I assume you are not talking about places like colorado where weed is entirely legal but regulated. \n\nFWIW, they usually DO get arrested. In most places... | [] | [] | [
[],
[]
] | ||
d4a23a | How exactly can we tell if other planets have water or water vapor in their atmosphere? | I understand the basic principle of measure the dip in light waves when a planet passes between its star and us but I don’t understand how from that information you can determine if there is any form of water. | askscience | https://www.reddit.com/r/askscience/comments/d4a23a/how_exactly_can_we_tell_if_other_planets_have/ | {
"a_id": [
"f0ampme"
],
"score": [
14
],
"text": [
"Spectroscopy. We don't just measure the overall decrease in brightness, we also measure it as function of wavelength. Water vapor preferentially absorbs some specific wavelength ranges while it lets others pass through. If we look at these wavel... | [] | [] | [
[]
] | |
4kajqv | Book covering the early 1400s to present day | I'm looking for a book or series of books basically explaining historical events from the 1400s to present day.
If this isn't the correct sub for this post could you suggest one? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4kajqv/book_covering_the_early_1400s_to_present_day/ | {
"a_id": [
"d3dwel5"
],
"score": [
2
],
"text": [
"I'm reading and have been quite enjoying John Darwin's *After Tamerlane: The Rise and Fall of Global Empires 1400-2000*."
]
} | [] | [] | [
[]
] | |
3aac79 | How accurate is this style of combat? | Recently Ubisoft published a gameplay, in which you can see how christian knights use the sword by taking it by the razor and hitting the other warrior with the handle (I would post the link but I don't know if I'm allowed).
So has that any actual logic or was it actually used in the Middle Ages or is it just plain stu... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3aac79/how_accurate_is_this_style_of_combat/ | {
"a_id": [
"csapla8"
],
"score": [
5
],
"text": [
"There are 15th century German fighting manuals (Hans Tallenhover's *Fechtbuch* or fight book) illustrating and showing captions that depict these kind of strikes in use. They were a technique that was apparently used by European swordsman reaso... | [] | [] | [
[]
] | |
70fgh5 | How did the roman military punishment of sleeping outside the camp work? | According to wikipedia the romans had as part of a decimation the punishment that a group of soldiers would be forced to sleep outside of the camp. I have a few questions about this.
Did this only apply to groups or also to individual soldiers?
Was it only for one night, or could it be longer than that?
How far awa... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/70fgh5/how_did_the_roman_military_punishment_of_sleeping/ | {
"a_id": [
"dn443nl"
],
"score": [
9
],
"text": [
"Being forced to sleep outside the camp walls was a part of the decimation punishment, though it had fallen out of use by the time of Crassus and Antony. After a unit had been decimated, the remaining members would be forced to camp outside, and w... | [] | [] | [
[]
] | |
45g40j | What is the actual origin of Valentine's day? | I have heard that it started as the Roman holiday Lupercalia, but is this true? Also, What is the actual story of Saint Valentine? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/45g40j/what_is_the_actual_origin_of_valentines_day/ | {
"a_id": [
"czxmhvr",
"czxu9wx"
],
"score": [
5,
4
],
"text": [
"I can't say that I can answer your question in its entirety, but who says that Lupercalia is related to Valentine's Day? As far as I'm aware February 14 was simply the feast day of Saint Valentine, with no implications of a ... | [] | [] | [
[],
[]
] | |
7ilmcc | why do christians celebrate jesus' birthday along with many other pagan traditions? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7ilmcc/eli5_why_do_christians_celebrate_jesus_birthday/ | {
"a_id": [
"dqznh0i",
"dqznk2m"
],
"score": [
5,
10
],
"text": [
"It makes it a lot easier to get a massive amount of people to do something (convert to Christianity) when you don't ask them to change much of what they're doing ( by not making too many changes to their religious practices... | [] | [] | [
[],
[]
] | |
3aaro7 | Was the fact that companies like Kodak, Hugo Boss, Volkswagen ect were part of the Nazi war effort used against them by their competitors in the post war years? | Did rival companies market against these companies, playing on the fact that they had aided the Nazis in the war, however involuntary their contribution was? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3aaro7/was_the_fact_that_companies_like_kodak_hugo_boss/ | {
"a_id": [
"csb1d6w",
"csb6ucn",
"csb9jiw",
"csbjq8t"
],
"score": [
234,
351,
23,
56
],
"text": [
"Related question: Did any of them get into legal trouble if involved in the death camps, Bayer FEX.",
"VW was famously established as a Nazi initiative. However, this was... | [] | [] | [
[],
[
"http://www.nytimes.com/1998/09/11/world/volkswagen-to-create-12-million-fund-for-nazi-era-laborers.html",
"https://en.wikipedia.org/wiki/Ivan_Hirst",
"http://articles.latimes.com/1998/sep/24/news/mn-26067",
"http://www.dailymail.co.uk/news/article-2663635/Revealed-How-Nazis-helped-German-co... | |
4z7la0 | Were people living in Greece by the 10th Millenium BC? If so, would they already be speaking the Greek language? | EDIT: And if they weren't speaking Greek by then, what were they speaking? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4z7la0/were_people_living_in_greece_by_the_10th/ | {
"a_id": [
"d6tz46s"
],
"score": [
2
],
"text": [
"Just double-checking, do you mean 1,000 BC, or 10,000 BC?"
]
} | [] | [] | [
[]
] | |
f7ew9k | how do direction work in space because north,east,west and south are bonded to earth? how does a spacecraft guide itself in the unending space? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f7ew9k/eli5_how_do_direction_work_in_space_because/ | {
"a_id": [
"fiatucm",
"fiauunn",
"fiaxsau",
"fiayyux",
"fiazhcx",
"fib4ajg",
"fib7553",
"fib83cy",
"fib8i06",
"fib9evz",
"fibb551",
"fibbpev",
"fibbx17",
"fibc1hg",
"fibkje2",
"fiboczc",
"fibp5d3",
"fic0r8g",
"fickr3f",
"ficluqz"
],
... | [] | [] | [
[],
[],
[
"https://en.m.wikipedia.org/wiki/Inertial_navigation_system",
"https://en.m.wikipedia.org/wiki/Gimbal_lock",
"https://en.m.wikipedia.org/wiki/Gimbal",
"https://youtu.be/XPUuF_dECVI?t=23m",
"https://youtu.be/OmCzZ-D8Wdk"
],
[],
[],
[],
[
"https://xkcd.com/1244/",
"... | ||
86qs0l | how do people grow pot on tv without getting arrested? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/86qs0l/eli5_how_do_people_grow_pot_on_tv_without_getting/ | {
"a_id": [
"dw75uff",
"dw760st"
],
"score": [
2,
3
],
"text": [
"No prosecutor will go to court on a charge of posesssion of a controlled substance unless they get their hands on the substance so that they can prove it is something illegal. Without solid proof that it’s pot (and not just ... | [] | [] | [
[],
[]
] | ||
29auii | Does time flow differently in other galaxies? | askscience | http://www.reddit.com/r/askscience/comments/29auii/does_time_flow_differently_in_other_galaxies/ | {
"a_id": [
"cij5i0a"
],
"score": [
5
],
"text": [
"Well, let's first take a look at time itself. What do we know about it? Well, it's relative. Meaning, our perception of time is dependent on several factors, it isn't a single thing that is independent from our understanding of physics. Time is a... | [] | [] | [
[]
] | ||
eawexh | programing question | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/eawexh/eli5_programing_question/ | {
"a_id": [
"faybv1o"
],
"score": [
2
],
"text": [
"Yes, you can. The compiled executable and the uncompleted text files have nothing to do with each other. You can change the code while the program is running, and changing the code will not magically alter a running program."
]
} | [] | [] | [
[]
] | ||
f19240 | when you turn the ac on, turn the speakers louder or turn on a subwoofer in a car, does fuel economy decrease in order to create more power? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f19240/eli5_when_you_turn_the_ac_on_turn_the_speakers/ | {
"a_id": [
"fh2n158",
"fh2r9zc"
],
"score": [
5,
6
],
"text": [
"When you turn A/C on the compressor gets power from one of the engine belts. The compressor turning puts more load on your engine therefore reducing fuel economy. The stereo and subwoofer use electricity which is generated b... | [] | [] | [
[],
[]
] | ||
55msv5 | why are people who run onto football fields so aggressively tackled? | I mean, it's not like they have a gun or something, and it seems like regardless, they're always treated like they're a terrorist threat or something. Even when it's obviously for a joke, they end up getting handcuffed and detained, like this - (_URL_0_). Does anyone know how the league ended up taking it so seriously? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/55msv5/eli5_why_are_people_who_run_onto_football_fields/ | {
"a_id": [
"d8bxbtt",
"d8bxiz1"
],
"score": [
4,
2
],
"text": [
"They want to discourage it so that it doesn't become more common.\n\nThey have a game to play (and televise, and sell advertisements for, etc) and don't want it to be frequently interrupted by people running around on the fi... | [] | [
"https://twitter.com/i/web/status/782676990927183876"
] | [
[],
[]
] | |
3tg8r2 | could we reproduce the mechanics of what powers the earth's magnetic field, and miniaturize it to protect spaceships from radiation? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3tg8r2/eli5_could_we_reproduce_the_mechanics_of_what/ | {
"a_id": [
"cx5v2oy",
"cx5xm7m",
"cx5ykub",
"cx65h2x"
],
"score": [
75,
2,
10,
2
],
"text": [
"Yes. You just have to figure out how to avoid a strong-ass magnet from interfering with all the equipment.",
"Yes, the earth produce a magnetic field via a rather complicated... | [] | [] | [
[],
[],
[],
[]
] | ||
bskk1k | how do those cables they string across the road measure your vehicle speed? | You know those cables they lay across the road to measure vehicle speed? How do those work? Is it accurate? What is the data used for? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bskk1k/eli5_how_do_those_cables_they_string_across_the/ | {
"a_id": [
"eonwouy",
"eonwqvv",
"eonyywq",
"eooqywl"
],
"score": [
11,
6,
3,
2
],
"text": [
"if I am thinking about the same cables you are thinking about they aren't used to measure speed they're used to count how many cars are going across the road they use it to know h... | [] | [] | [
[],
[],
[],
[]
] | |
4dr934 | how do people not feel effects from thc and other substances if they're still present in our systems for up to days/weeks/months enough to show up on drug tests? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4dr934/eli5_how_do_people_not_feel_effects_from_thc_and/ | {
"a_id": [
"d1tkhoa",
"d1tlzou",
"d1tqr6v"
],
"score": [
4,
2,
3
],
"text": [
"Two reasons: First, much of the substance is excreted out of your body. They are testing for what small amounts are left over. The concentrations in your body are very very small, and not enough to make... | [] | [] | [
[],
[],
[]
] | ||
bhd2dr | why is scrotal skin so different from other skin? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bhd2dr/eli5_why_is_scrotal_skin_so_different_from_other/ | {
"a_id": [
"elrv9hs"
],
"score": [
3
],
"text": [
"Because it has a very particular job that other skin doesn't.\n\nYour testicles have to be kept at a certain temperature, one that's lower than the rest of your body. So your scrotum needs to be able to adapt to temperature and then respond by ra... | [] | [] | [
[]
] | |
b357cf | why is there seemingly only 5000 species of mammals on earth yet seemingly endless minute variations in insects/birds/reptiles etc? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b357cf/eli5_why_is_there_seemingly_only_5000_species_of/ | {
"a_id": [
"eix823m",
"eix8mo7",
"eix9ynm",
"eiyba22"
],
"score": [
22,
11,
4,
2
],
"text": [
"Smaller reproduction times and lifespans means you can have more generations and a higher rate of mutation. ",
"Mammals are the most recent biological class to come along. We... | [] | [] | [
[],
[],
[],
[
"https://en.wikipedia.org/wiki/Late_Triassic",
"https://en.wikipedia.org/wiki/Devonian",
"https://www.amnh.org/about-the-museum/press-center/new-study-doubles-the-estimate-of-bird-species-in-the-world",
"https://en.wikipedia.org/wiki/Adaptive_radiation",
"https://www.research... | ||
1eb4lg | WWII - How much did the Axis powers know about the Allied invasion plans on D-Day-1? | I know dis-information was spread but were they expecting the invasion on 6 June 1944?
| AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1eb4lg/wwii_how_much_did_the_axis_powers_know_about_the/ | {
"a_id": [
"c9yjt4i"
],
"score": [
8
],
"text": [
"It depends. Rommel is on record claiming that the Allies would come at high tide to minimize casualties crossing the (narrower) beach. This ruled out the 6th of June since it was generally acknowledged that the attack would commence at first ligh... | [] | [] | [
[]
] | |
2gy4qj | why can't you cut all the wires in a bomb to prevent it from detonating? | I mean, in theory, if you cut all the wires at once you stop the electric flow to signal the detonation. Why don't they show it like that in the movies? Why would this not be possible?
EDIT: Thank you for all the great replies. I would have not imagined this question to become so popular. It's still the top question o... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2gy4qj/eli5_why_cant_you_cut_all_the_wires_in_a_bomb_to/ | {
"a_id": [
"cknk748",
"cknk7vb",
"cknl6r7",
"cknm8mt",
"cknmfki",
"cknmhdp",
"cknmj0h",
"cknmj0x",
"cknmwf3",
"cknnfo9",
"cknngsy",
"cknniv5",
"cknnl7y",
"cknnnkc",
"cknnvdq",
"ckno5ji",
"cknoaun",
"cknocw5",
"cknod0x",
"cknog25",
"c... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[
"http://electronics.stackexchange.com/questions/129548/why-would-clipping-a-wire-cause-a-bomb-to-explode"
],
[],
[],
[],
[],
[],
[],
[],
[],
... | |
1ozb35 | Who was the first U.S. President to have his photograph taken while in office? | I cannot find a reliable source online and have found several answers including John Quincy Adams, Polk, Jackson, Taylor, etc. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1ozb35/who_was_the_first_us_president_to_have_his/ | {
"a_id": [
"ccx9me5"
],
"score": [
5
],
"text": [
"Based on what I've been able to find out, the earliest *surviving* photo of a president in office is [of James K. Polk.](_URL_2_) However, [this one](_URL_3_) (of his cabinet) and [this one](_URL_0_) of he and his wife might have been taken in an... | [] | [] | [
[
"http://upload.wikimedia.org/wikipedia/commons/6/6a/James_K_Polk_and_Sarah_C_Polk.jpg",
"http://encyclopediavirginia.org/media_player?mets_filename=evr7581mets.xml",
"http://upload.wikimedia.org/wikipedia/commons/f/f8/James_Polk_restored.jpg",
"http://upload.wikimedia.org/wikipedia/commons/8/82/St... | |
6kdtdt | what is cherenkov radiation? | I saw the nuclear reactor gif earlier and I've e heard of and seen CR on the internet before. What is it and why does it happen?
Ps. Sorry if this is a reposted question, I couldn't find a previous discussion on the topic. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6kdtdt/eli5what_is_cherenkov_radiation/ | {
"a_id": [
"djlasm7"
],
"score": [
7
],
"text": [
"In a nutshell, it’s like a sonic boom, but instead of going faster than sound, it goes faster than light. Instead of going BOOM, it’s a flash of light/radiation. Nothing goes faster than light in a vacuum. However, through a medium like water, l... | [] | [] | [
[]
] | |
a5y24v | is there a reason spicy things become less spicy after being refrigerated? | was eating leftover wings and became curious | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a5y24v/eli5_is_there_a_reason_spicy_things_become_less/ | {
"a_id": [
"ebq6oeh"
],
"score": [
5
],
"text": [
"Cold numbs your taste buds. So it's not less spicy your mouth just doesn't register the capsaicin like it would if the wings were hot."
]
} | [] | [] | [
[]
] |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.