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37n8re
how would zimbabwe reintroduce its own currency
Regardless of whether it would be economically viable at the present time, in theory what would the steps be for a country like Zimbabwe which has practically no foreign currency reserves to reintroduce its own currency? What could the new currency be tied to? Would it be tied to the US dollar dor example, then exchang...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/37n8re/eli5_how_would_zimbabwe_reintroduce_its_own/
{ "a_id": [ "cro5jo0", "croo8z1" ], "score": [ 3, 2 ], "text": [ "At the moment they've introduced bond coins which can only work in Zimbabwe as time goes they'll keep increasing the denominations until there's proper Zimbabwean currency then they'll ban foreign currency for selling in sto...
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[]
[ [], [] ]
12cok3
Why did Jimmy Carter, a Democratic candidate, win so many Southern states in the 1976 election?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/12cok3/why_did_jimmy_carter_a_democratic_candidate_win/
{ "a_id": [ "c6tyvjd", "c6tzufq", "c6u15lx" ], "score": [ 6, 7, 4 ], "text": [ "A combination of name recognition as a Southern governor and widespread mistrust of what was still essentially the second Nixon administration.", "Carter was from Georgia, and the South had voted De...
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[ [], [], [] ]
9occ9i
what makes someone a polyglot? is it something about the brain, or simply a learning technique that anyone can do?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9occ9i/eli5_what_makes_someone_a_polyglot_is_it/
{ "a_id": [ "e7sz977", "e7t0uh3" ], "score": [ 6, 3 ], "text": [ "It's just hard work and dedication. The more languages you know, the easier it is to learn new languages. The earlier you start studying, the sooner you can start practicing, the sooner you can achieve mastery.\n\nIt's like ...
[]
[]
[ [], [] ]
378qpu
why won't any of the arab nations take in and help the "palestinians"?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/378qpu/eli5_why_wont_any_of_the_arab_nations_take_in_and/
{ "a_id": [ "crklbk8" ], "score": [ 6 ], "text": [ "I'm not sure why you've got Palestinians in scare quotes. It suggests that you're not asking this question in good faith. However, I'll assume it's just a peculiar way of asking the question. As for the Arab states, Egypt, Jordan and Lebanon all ...
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[ [] ]
2h7ztk
Why does the Barrow Alaska have 15 more days where the sun does not set than rise?
.
askscience
http://www.reddit.com/r/askscience/comments/2h7ztk/why_does_the_barrow_alaska_have_15_more_days/
{ "a_id": [ "ckq9put", "ckqbymw", "ckqe72n", "ckqf3ra" ], "score": [ 6, 7, 3, 10 ], "text": [ "To clarify, the OP means there are 15 more days of the year where the sun remains in the sky in the summer, than days where the sun does not rise in the winter:\n\n_URL_0_", "...
[]
[]
[ [ "http://www.gaisma.com/en/info/help.html" ], [], [ "http://en.wikipedia.org/wiki/Analemma#mediaviewer/File:Analemma_fishburn.tif", "http://en.wikipedia.org/wiki/Analemma" ], [] ]
2pzeq0
in american high school, i learned virtually nothing at all about african or south american history. why isn't it part of the world history curriculum?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2pzeq0/eli5_in_american_high_school_i_learned_virtually/
{ "a_id": [ "cn1de4o", "cn1dgsu", "cn1dkms", "cn1dm26", "cn1q58p", "cn1zxl6" ], "score": [ 6, 4, 16, 2, 2, 2 ], "text": [ "I teach and I know that in California both subjects are part of the 8th grade curriculum. ", "\"World History\" is about the histo...
[]
[]
[ [], [], [], [], [], [] ]
6s56ur
how do elites hide money successfully behind 'front' companies established in other countries?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6s56ur/eli5_how_do_elites_hide_money_successfully_behind/
{ "a_id": [ "dlabpbe" ], "score": [ 3 ], "text": [ "So the first thing to understand is that a corporation is an independent legal entity from its owners. \n\nSo let's say I own a successful construction company. I make around $10,000,000 in profit every year. Now, I own a big company but I don...
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[ [] ]
496xcz
why are car engine idles not lower?
Majority of cars I've been in have an idle of 800 or so. Surely a lower idle would consume less fuel, albeit with less smoothness?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/496xcz/eli5why_are_car_engine_idles_not_lower/
{ "a_id": [ "d0pib8g", "d0prjkh" ], "score": [ 3, 3 ], "text": [ "I had a car that had problems with the idle adjustor. The engine would drop to 300-400 and would shake the whole car. I believe 800-1000 RPM is to keep the car from stalling as well as to keep the car from shaking. \n\nAltho...
[]
[]
[ [], [] ]
7ma602
how does apple slows down its phones?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7ma602/eli5_how_does_apple_slows_down_its_phones/
{ "a_id": [ "drsgm96" ], "score": [ 2 ], "text": [ "A process in the background regularly checks the battery capacity, when it goes down a certain threshold set by Apple, that process kicks in and underclocks the CPU of the phone to 600 Mhz IIRC, so that means a slower phone but a slightly better ...
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[]
[ [] ]
2a3aep
why is poor vision so much more prevalent across all age groups than other types of sensory loss, and why is it not viewed as a disability while others are?
The sheer number of people of all ages who wear some type of corrective lens for their vision is kind of astounding to me. Why do so many of us have bad eyesight, even from such a very early age, when there aren't nearly as many people born with poor hearing, or a diminished capacity of some other sense? Also, why i...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2a3aep/eli5_why_is_poor_vision_so_much_more_prevalent/
{ "a_id": [ "cir2zpt" ], "score": [ 2 ], "text": [ "My guess; vision is our most important sense. No one gets hearing aid if their left ear hears 10% less than the right, but if the left eye is 10% off-center...\nOn the other hand i think a lot of kids get glasses when they dont really need it. Pa...
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[ [] ]
1v4tg5
Why doesn't the human iris produce a red color?
askscience
http://www.reddit.com/r/askscience/comments/1v4tg5/why_doesnt_the_human_iris_produce_a_red_color/
{ "a_id": [ "ceotqvh" ], "score": [ 16 ], "text": [ "Do you mean why aren't there red-eyed people? Simple:\n\nThere are two pigment proteins in humans, eumelanin (black) and pheomelanin (reddish). Usually people have more eu- than pheomelanin. In the iris, if you have mostly eumelanin the eye will...
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[ [] ]
4or7ab
how intelligent were prehistoric humans?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4or7ab/eli5_how_intelligent_were_prehistoric_humans/
{ "a_id": [ "d4evs6h", "d4ewyh7" ], "score": [ 8, 2 ], "text": [ "They were as intelligent as we are now. What they were able to expend that intelligence on was limited by a lack of knowledge, not cognitive ability.", "They were basically as smart as us, but the difference is that the...
[]
[]
[ [], [] ]
16b4bo
Is there a material that can absorb air or a specific kind of gas?
askscience
http://www.reddit.com/r/askscience/comments/16b4bo/is_there_a_material_that_can_absorb_air_or_a/
{ "a_id": [ "c7udtmb", "c7uecw8" ], "score": [ 3, 8 ], "text": [ "Yes eg haemoglobin...preferentially absorbs O2. Co2 can be absorbed / recycled through Co2 scrubbers.\n", "Well, they _all_ do, to some extent. All molecules attract, if only weakly. (though 'weakly' here can mean \"s...
[]
[]
[ [], [ "http://en.wikipedia.org/wiki/Zeolite" ] ]
6npkz1
why do soda contents not drop/settle to the bottom and need to be mixed up or stirred but other drinks like juice do?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6npkz1/eli5_why_do_soda_contents_not_dropsettle_to_the/
{ "a_id": [ "dkb8hd3" ], "score": [ 9 ], "text": [ "Juice has solids in suspension. They're not actually chemically dissolved, just \"stuck\" in the water molecules like a microscopic ball pit. Over time they'll settle to the bottom.\n\nSoft drinks don't have that many ingredients, and the few t...
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[ [] ]
3rq51t
'magic underwear' worn by mormons
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3rq51t/eli5_magic_underwear_worn_by_mormons/
{ "a_id": [ "cwqdt62", "cwqfeok" ], "score": [ 4, 3 ], "text": [ "Mormons believe that certain ordinances must be completed in order to enter the highest kingdom of heaven. One of those ordinances is called an endowment. It takes place in their temples. During an endowment worthy members a...
[]
[]
[ [], [] ]
1sw2tb
why orgasms become more intense the more you have in a row? does this apply to all sexes?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1sw2tb/eli5_why_orgasms_become_more_intense_the_more_you/
{ "a_id": [ "ce1tvk0", "ce1ujdb", "ce1v4ha", "ce1w4uw" ], "score": [ 15, 2, 5, 2 ], "text": [ "This ain't funny OP. We know you girls have it good, no need to rub it in.", "doesn't even apply to all girls", "I can have multiple orgasms, but mine become less intense ...
[]
[]
[ [], [], [], [] ]
reec2
interlaced display vs noninterlaced (progressive scan) display
I lack the information to even understand the basic concept.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/reec2/eli5_interlaced_display_vs_noninterlaced/
{ "a_id": [ "c4555d0" ], "score": [ 10 ], "text": [ "Picture a paper notebook with lined paper. You are going to make a cool flipbook animation with it.\n\nOn the first page, start at the top line and draw your picture on every other line down the page.\n\nOn the second page, start at the second ...
[]
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[ [] ]
2fbfd1
how do subways not collapse?
the constant rumble of trains+weight of the earth above...how do they do it? london tube has bin here 1860 0____0
askscience
http://www.reddit.com/r/askscience/comments/2fbfd1/how_do_subways_not_collapse/
{ "a_id": [ "ck7qoyf" ], "score": [ 3 ], "text": [ "You can think of it as like a pipe, only with a tunnel the pressure is on the outside of the pipe instead of on the inside.\n\nJust as the walls of a pipe need to be made strong enough to hold the pressure in the pipe without bursting, the walls ...
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[ [] ]
ao5ug4
what is an interface in programming?
I'm an web dev, I have worked with Ruby on Rails for over 1 year now, I started now actually studying design patterns, so far they seem to mention a lot about Interfaces, in my research it leads me to believe it's commonly used in Java, but I can't grasp what it is, or what it is supposed to do, or even how it differs ...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/ao5ug4/eli5_what_is_an_interface_in_programming/
{ "a_id": [ "efygp3d", "efylq9z" ], "score": [ 2, 2 ], "text": [ "An interface is basically a class with no implementation that is intended to be subclassed so that a related set of classes all share a common set of methods. This lets you program parts of your code in a way where you don't...
[]
[]
[ [], [] ]
9qu7jj
how are you supposed to know who to believe in political debates when both candidates just accuse the other of lying the whole time?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9qu7jj/eli5_how_are_you_supposed_to_know_who_to_believe/
{ "a_id": [ "e8bst6w" ], "score": [ 3 ], "text": [ "You could try doing your own research and coming to your own conclusions. This \"thinking for yourself\" is often superior to taking the word of people who are trying to persuade you of something that directly benefits them. Tasks such as essays ...
[]
[]
[ [] ]
canawo
What was the woman's role in Viking society, particularly but not limited to when men were out on conquest?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/canawo/what_was_the_womans_role_in_viking_society/
{ "a_id": [ "etawyqx" ], "score": [ 466 ], "text": [ "Jenny Jochens wrote the definitive treatise on women in Old Norse society in her creatively named, *Women in Old Norse Society*, where she examined what could be gleaned about approximately half of the human population in Scandinavia (though sh...
[]
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[ [] ]
24cs5k
when a dog or a cat's owner changes clothes or wears something out of the ordinary, do they think the attire is part of your body or can they tell that clothes are just something that we put on top of our bodies?
I just got a puppy for the first time in my life! She seemed to think I was a different person because of a hat I wore the other day and this question popped in my mind! Thanks!
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/24cs5k/eli5_when_a_dog_or_a_cats_owner_changes_clothes/
{ "a_id": [ "ch5uhqx", "ch5uk03" ], "score": [ 8, 6 ], "text": [ "She probably realised you were the same person, but your hat scared or confused her.\n\nIt's hard to know what animals actually think, but whatever they do think, they get used to it. Animals go by more than just visual appe...
[]
[]
[ [], [] ]
2pe69f
When American troops liberated Dachau, they were so enraged that they summarily executed dozens of SS guards. Did similar events happen at other concentration camps?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/2pe69f/when_american_troops_liberated_dachau_they_were/
{ "a_id": [ "cmw1ckf" ], "score": [ 4 ], "text": [ "I don't know about Allied soldiers killing guards at other camps, but liberated inmates killed guards at Bergen-Belsen, Buchenwald and Gusen-Mauthausen. I am sure it happened in other camps as well but these are the ones I have read about. \n\nYo...
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[ [] ]
4yhfjh
what actually happens in our brain when we experience a heartbreak?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4yhfjh/eli5_what_actually_happens_in_our_brain_when_we/
{ "a_id": [ "d6nrvhn", "d6nviyn", "d6nvs9w", "d6nvysj", "d6ohmko", "d6p344k" ], "score": [ 66, 12, 7, 9, 6, 2 ], "text": [ "It works very similarly to withdrawal. I'm not a psych major and I can't get into all the chemicals involved in the process but I know...
[]
[]
[ [], [], [], [], [], [] ]
2r1teh
Was there any international outcry over the American coup in Hawaii and annexing it?
I don't see this get mentioned much, but the coup in Hawaii which led it to become a part of American territory seems pretty heinous in hindsight. Did people care at all about how it happened or did it go pretty much unnoticed by the rest of the world? What was colonization like in Hawaii and how were the natives treat...
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/2r1teh/was_there_any_international_outcry_over_the/
{ "a_id": [ "cncf97h", "cncjgm3" ], "score": [ 5, 3 ], "text": [ "Just to start with the very last bit of the last question, there were *Japanese* internment camps on Hawaii. \n\nIf you read a bit on [the Hawaiian internment](_URL_0_), you might get a better sense of the context informing ...
[]
[]
[ [ "http://www.hawaiiinternment.org/history-of-internment", "http://www.loc.gov/rr/european/mofc/bolkhov.html", "http://en.wikipedia.org/wiki/Georg_Anton_Sch%C3%A4ffer", "https://plus.google.com/113050455121795030027/about?gl=us&hl=en" ], [ "http://en.m.wikipedia.org/wiki/Hawaiian_home_la...
2g5jru
why does dental pain feel worse when lying down?
I currently have an infected tooth and I was more or less fine until I came to bed and now it feels like my tooth is literally going to explode. Why is this? All Google told me was how to make the pain better, not why it was so much worse.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2g5jru/eli5_why_does_dental_pain_feel_worse_when_lying/
{ "a_id": [ "ckftsyi" ], "score": [ 5 ], "text": [ "Your blood pressure increases in your head when you're horizontal." ] }
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[]
[ [] ]
5wdb1r
In the Revolutionary War, how did British troops lose Boston so quickly when they had an iron hold over New York?
At first I thought it was because New York was more accessible to the Navy but Boston is also on the coast
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/5wdb1r/in_the_revolutionary_war_how_did_british_troops/
{ "a_id": [ "de9jil3" ], "score": [ 33 ], "text": [ "The answer is actually fairly straight forward. The Continental Army managed to get artillery on the Dorchester heights above the city. Henry Knox and his men hauled them overland from Fort Ticonderoga to Boston. The position of the guns threate...
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[]
[ [] ]
cxod96
why are bricks stacked the way they are rather than just one directly on top of the other?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/cxod96/eli5_why_are_bricks_stacked_the_way_they_are/
{ "a_id": [ "eyme276", "eyme3pp", "eyme48u", "eyme4r7" ], "score": [ 13, 3, 15, 6 ], "text": [ "Have you ever seen that experiment where they put two phone books together with one page overlapping the page of the other, so they interlock?\n\nAnd then you can't pull the inte...
[]
[]
[ [], [], [], [] ]
cyo37q
Are people with Congenital Insensitivity to Pain (CIP) unable to feel emotional pain in the same way they are unable to feel physical pain?
People with congenital insensitivity to pain (or congenital analgesia) can’t feel physical pain. According to a study by Eisenberger, the same part of the brain controls both physical and emotional pain. So, does this mean that people with this condition also cannot feel emotional pain?
askscience
https://www.reddit.com/r/askscience/comments/cyo37q/are_people_with_congenital_insensitivity_to_pain/
{ "a_id": [ "eytxpf2", "eywjst2" ], "score": [ 10, 4 ], "text": [ "[Congenital analgesia](_URL_0_) is a disorder of the peripheral nervous system where the sodium channels in nociceptor cells have a mutation. So it’s an issue with the sensory input, not with the brain’s ability to process ...
[]
[]
[ [ "https://ghr.nlm.nih.gov/condition/congenital-insensitivity-to-pain#genes" ], [] ]
1di735
the ellen show keeps showing "psychics." what makes it all bullshit?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1di735/eli5_the_ellen_show_keeps_showing_psychics_what/
{ "a_id": [ "c9qjh33", "c9qkt5k" ], "score": [ 11, 5 ], "text": [ "The fact that psychics can't do what they say they can do is what makes it all bullshit.", "There are no decent scientific studies that have shown that anybody that claims to have psychic abilities can actually provide ...
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[]
[ [], [] ]
13fa4u
Do gravitational waves really all travel at the same speed?
I know that the *linearized* version of general relativity predicts that gravitational waves all travel at the speed of light. I don't know much about nonlinear equations, but I understand that they need to be handled on a case-by-case basis in general. My question is: do there exist propagating solutions, in an approx...
askscience
http://www.reddit.com/r/askscience/comments/13fa4u/do_gravitational_waves_really_all_travel_at_the/
{ "a_id": [ "c73pmic" ], "score": [ 2 ], "text": [ "From a bosonic point of view, the gravitational field quanta must be massless due to the infinite range of its force. It's harder to answer the question of speed in terms of stress-energy tensors (due to gravity being a specific geometry) but gau...
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[ [] ]
3pttwh
Is the form of a galaxy influenced by the black hole in its middle?
askscience
https://www.reddit.com/r/askscience/comments/3pttwh/is_the_form_of_a_galaxy_influenced_by_the_black/
{ "a_id": [ "cw9hjrh", "cw9i2b2", "cw9kgq2", "cw9q7lj" ], "score": [ 9, 76, 15, 5 ], "text": [ "\nThe shape of the galaxy maybe not but, the mass and structure around the core are directly changed by the black hole. \nThere's also a correlation of the mass of the black hole...
[]
[]
[ [ "http://www.cosmotography.com/images/supermassive_blackholes_drive_galaxy_evolution_2.html" ], [], [ "http://arxiv.org/abs/astro-ph/0411108" ], [] ]
1w1hi4
why does cold water make razor blades last longer?
I got a free razor in the mail with a pamphlet about shaving and one of the tips was rinsing your razor with cold water make the blades last longer. Why is this?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1w1hi4/eli5_why_does_cold_water_make_razor_blades_last/
{ "a_id": [ "cexsc9x", "cexst9x" ], "score": [ 2, 2 ], "text": [ "First of all, are we *sure* that this isn't just an urban legend? \n\nThat said, I can think of an idea: hot tap water contains more minerals, which can either deposit crud on the blade, or corrode it.", "Never heard abo...
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[ [], [] ]
lw93a
what the us holds against the palestinian state?
I've just been watching the news about Palestine getting Unesco membership, I'm not trolling but I don't feel I understand the context in which the US is getting so upset? Why is this such a big deal?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/lw93a/eli5_what_the_us_holds_against_the_palestinian/
{ "a_id": [ "c2w31z3", "c2w32qz", "c2w3yaa", "c2w42hl", "c2w49a7", "c2w4gfd", "c2w31z3", "c2w32qz", "c2w3yaa", "c2w42hl", "c2w49a7", "c2w4gfd" ], "score": [ 30, 11, 10, 2, 8, 6, 30, 11, 10, 2, 8, 6 ], "text": [ ...
[]
[]
[ [], [], [ "http://www.merriam-webster.com/cgi-bin/nytmaps.pl?israel" ], [], [], [], [], [], [ "http://www.merriam-webster.com/cgi-bin/nytmaps.pl?israel" ], [], [], [] ]
bxm8pc
how do gut bacteria actually make it to your intestines with the hydrochloric acid produced by the stomach in the way?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/bxm8pc/eli5_how_do_gut_bacteria_actually_make_it_to_your/
{ "a_id": [ "eq81doh", "eq81h7s", "eq84o0l" ], "score": [ 4, 15, 4 ], "text": [ "First, the stomach doesn't constantly produce acid. That only happens when you're digesting food.\n\nSecond, the bacteria in your intestines don't have to pass through the stomach. They live and grow i...
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[ [], [], [] ]
7oxd69
If we were in a nearby star system, would SETI be able to detect our radio waves?
Assuming these waves have had the time to reach the star system in question. I ask because I imagine these radio waves would be incredibly diffuse by the time it reached another planet.
askscience
https://www.reddit.com/r/askscience/comments/7oxd69/if_we_were_in_a_nearby_star_system_would_seti_be/
{ "a_id": [ "dse0gcl", "dse47fa" ], "score": [ 5, 8 ], "text": [ "It's a matter of the power of the signal being transmitted and the size, efficiency and isolation of the antenna that's receiving it and if it's focused on the exact source of the signal. Seeing as there's a seemingly infini...
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[ [], [] ]
77bm2e
What does 'locality' mean in terms of quantum physics?
Typically when I don't understand something in physics, it's an equation. While I'm not saying I think quantum physics should be easily understood, but one quality that really perplexes me is when variables are said to be 'local' or 'non-local'. What does this mean, and why is it not a numerical value? Can you explai...
askscience
https://www.reddit.com/r/askscience/comments/77bm2e/what_does_locality_mean_in_terms_of_quantum/
{ "a_id": [ "doklk5s", "dokz7kg" ], "score": [ 6, 8 ], "text": [ "In relativistic physics, the speed of light is an absolute speed limit of the universe. This means that two far apart objects cannot immediately act on each other; they have to wait some period of time, as the action propaga...
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[ [], [] ]
acd0hy
the point of volts, amps, ohms, etc...
Now before you say how **"*****I've seen these posts so many times...*****"** I'll say I've seen the good ol' water explanation which helps with understanding what they are. what I'm wondering now is how do I *actually* use this information. For instance, why does **X** need **Y** Amps and **Z** Volts and what happens ...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/acd0hy/eli5_the_point_of_volts_amps_ohms_etc/
{ "a_id": [ "ed70qv5", "ed71tzi", "ed74bkx", "ed74dei", "ed778za", "ed7j9zo" ], "score": [ 4, 2, 3, 3, 3, 2 ], "text": [ "Amps, ohms, and volts are all related to each other through the equation V = IR. r stands for resistance (measured in ohms), I stands fo...
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[ [], [], [], [], [], [] ]
310u2t
what do the numbers for my eye prescription mean. for example, my left eye is -6.0 and my right is -5.75
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/310u2t/eli5_what_do_the_numbers_for_my_eye_prescription/
{ "a_id": [ "cpxvy14" ], "score": [ 3 ], "text": [ "The number is a measure of the optical power of the lenses in dioptres (the reciprocal of the focal length in meters). Essentially a positive number increases the optical power of your eye (which corrects for farsightedness) and a negative number...
[]
[]
[ [] ]
lqkgs
us army camouflage
As you can see in [this image](_URL_0_), US Army camouflage seems to be pixelated. I don't know of any plant/dirt/etc in the real world that is pixelated like that - so why does the Army choose this pattern?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/lqkgs/eli5_us_army_camouflage/
{ "a_id": [ "c2usul7", "c2uv9yd", "c2usul7", "c2uv9yd" ], "score": [ 3, 4, 3, 4 ], "text": [ "they've already changed it. as it turns out, the ACU pattern is pretty bad in nearly every environment...besides maybe gravel. they originally switched to that pattern for a numb...
[]
[ "http://i.imgur.com/eaB2G.png" ]
[ [], [], [], [] ]
6i84d5
Why was Pompey described as 'the new Alexander the Great'?
I've heard Pompey described as 'a new Alexander the Great' or as a 'Roman Alexander' and 'Pompey the Great' - forgive me if the wording isn't perfect - but what military accomplishments did he have to be known as such?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/6i84d5/why_was_pompey_described_as_the_new_alexander_the/
{ "a_id": [ "dj55wd4" ], "score": [ 2 ], "text": [ "Pompey certainly earned the comparison to Alexander, especially with the Pirate Command, but the title \"the Great\" popped up very early and in a not exactly flattering way.\n\nWhen Sulla returned from his war against Mithridates in the East (82...
[]
[]
[ [ "http://penelope.uchicago.edu/Thayer/e/roman/texts/plutarch/lives/pompey*.html" ] ]
1u63fo
Happy New Year! As it is now 2014, the outward limit of the 'twenty-year rule' in AskHistorians has ticked ahead once more -- let's talk about 1994.
As you've no doubt discovered while reading the questions and answers offered in /r/AskHistorians, in a bid to keep the focus off of current events (and, moreover, current politics) we have chosen to enact a not-always-elegant and not-always-total ban on discussions of events that had taken place less than 20 years ago...
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/1u63fo/happy_new_year_as_it_is_now_2014_the_outward/
{ "a_id": [ "ceeuvhp", "ceevqep", "ceevyah", "ceew6w0", "ceewkhs", "ceewmsq", "ceewtmp", "ceexf36", "ceextn2", "ceexwy1", "ceey488", "ceey6li", "ceeyf1c", "ceeygg7", "ceeyjba", "ceeyzrt", "ceez8td", "ceezvio", "ceezxku", "cef04my", "c...
[]
[]
[ [], [], [], [ "http://www.mtholyoke.edu/~bonne20s/majorbattlesmaps.html" ], [], [], [], [ "http://upload.wikimedia.org/wikipedia/commons/5/5e/Oslo_Areas_and_barrier_projection_2005.png", "http://www.google.com/hostednews/afp/article/ALeqM5i8RT-1Okf0cSP4mYEKRjcjCf-8Fg", "http://www.jp...
aaw6fi
why do cameras “freak out” when they are recording someone with a striped pattern on their clothing?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/aaw6fi/eli5_why_do_cameras_freak_out_when_they_are/
{ "a_id": [ "ecvhrob" ], "score": [ 17 ], "text": [ "I'm not sure what you mean, exactly. If you're talking about that trippy pattern that shimmers and moves over a striped pattern as the camera moves, that's a [Moiré pattern](_URL_0_). It's a sort of optical illusion that happens when you look at...
[]
[]
[ [ "https://en.wikipedia.org/wiki/Moir%C3%A9_pattern" ] ]
3jcnk4
Is there a limit with telescopes?
I was wondering if a telescope could/or is strong enough to look at another planets surface with great detail. What I mean is, Could we look at Mars, and with perfect conditions see individual grains of sand? Edit: I am so appreciative to the response.I want to learn as much as I can. It's almost a need.
askscience
https://www.reddit.com/r/askscience/comments/3jcnk4/is_there_a_limit_with_telescopes/
{ "a_id": [ "cuo5uge", "cuocayb", "cuoeakv", "cuofhx7", "cuomayy", "cuosmi4", "cuozzvx", "cup2ajs" ], "score": [ 946, 31, 7, 21, 25, 4, 2, 3 ], "text": [ "The biggest intrinsic limitation of a telescope's resolving power is the angular resolu...
[]
[]
[ [ "https://en.wikipedia.org/wiki/Angular_resolution", "https://en.wikipedia.org/wiki/Optical_aberration", "https://en.wikipedia.org/wiki/Diffraction", "https://dept.astro.lsa.umich.edu/ugactivities/Labs/coords/angdistsize.jpg" ], [ "https://en.wikipedia.org/wiki/Very-long-baseline_interferom...
xbi37
Is it worth it to get higher quality gas?
Specifically, is it worth it to pay extra to: * Choose 91 rating gas over the 87 rating gas * Choose brand name gas (Chevron, Shell) over generic brand gas (Costco gas) Do they actually make a difference in terms of mileage, caring for the long-term health of the engine, etc?
askscience
http://www.reddit.com/r/askscience/comments/xbi37/is_it_worth_it_to_get_higher_quality_gas/
{ "a_id": [ "c5kwf5r", "c5kwfp0", "c5kwga5", "c5kwgov", "c5kwk2q", "c5kx69f", "c5kxcs5", "c5kxdma", "c5kz4r9" ], "score": [ 30, 14, 2, 9, 3, 2, 5, 4, 2 ], "text": [ "Higher octanes don't exist because they are \"better\". They are jus...
[]
[]
[ [ "http://www.ftc.gov/bcp/edu/pubs/consumer/autos/aut12.shtm" ], [ "http://en.wikipedia.org/wiki/Engine_knocking" ], [], [], [], [], [ "http://www.vpracingfuels.com/vp-drag-racing.html" ], [], [] ]
3o3t8v
Is it true that the bible was not translated into different langauges for most of the middle ages?
I read somewhere that it was illigal to create a bible that was not in latin for most of the early and middle medival time period.
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/3o3t8v/is_it_true_that_the_bible_was_not_translated_into/
{ "a_id": [ "cvtvs25" ], "score": [ 3 ], "text": [ "As Frans van Liere succinctly puts it in *An Introduction to the Medieval Bible* (Cambridge 2014),\n\n > Contrary to popular perception, there was no blanket prohibition against biblical translation in the vernacular in the middle ages. (p 203)\...
[]
[]
[ [ "https://www.reddit.com/r/AskHistorians/comments/39yxpi/why_was_translating_the_bible_considered/cs7s9f2" ] ]
4ihoxf
Did historians know of Tutankhamun before the discovery of his tomb?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/4ihoxf/did_historians_know_of_tutankhamun_before_the/
{ "a_id": [ "d2yh9at" ], "score": [ 10 ], "text": [ "Carl Richard Lepsius, an German Egyptologist who was in Egypt 1843-46 on a scientific expedition, and documented well it with hundreds of line drawings of incriptions, papyrii, maps etc. in *Denkmaeler aus Aegypten und Aethiopien*, an outstandin...
[]
[]
[ [ "http://edoc3.bibliothek.uni-halle.de/lepsius/page/abt3/band6/image/03061150.jpg" ] ]
40swiu
Why was Russia never able to build a great automobile industry?
From what I understand, Russian aviation and military engineering is supposed to be really, really good. Why couldn't this transfer over to an automobile industry?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/40swiu/why_was_russia_never_able_to_build_a_great/
{ "a_id": [ "cywzhx2", "cyxnhob", "cyxqupa", "cyy1td2" ], "score": [ 64, 14, 7, 2 ], "text": [ "Some clarification in this question is needed here. Are you asking why the Soviet Union did not create its own automobile industry or are you inquiring about the automobile indus...
[]
[]
[ [], [ "http://www.amazon.com/Cars-Comrades-Life-Soviet-Automobile/dp/0801477212/ref=sr_1_1?ie=UTF8&qid=1452752522&sr=8-1&keywords=Lewis+Siegelbaum" ], [ "http://www.nationalreview.com/article/359791/gold-plated-ambulance-kevin-d-williamson" ], [] ]
3inrqw
why do presidents seem to dissappear from politics after their term ends?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3inrqw/eli5_why_do_presidents_seem_to_dissappear_from/
{ "a_id": [ "cui1tus", "cui1uso", "cui1ztr", "cui8xqs" ], "score": [ 6, 22, 13, 5 ], "text": [ "What are they gonna do, take a lesser job and be \"Senator\" instead of \"President\"? No way.\n\nMost presidents are pretty old when they leave office, and they have reached th...
[]
[]
[ [], [], [], [] ]
qipnt
the ending of the movie 2001: a space odyssey
I have watched and re-watched it several times but still I feel like I am trying to write a thesis with a massive hangover for the last 20 minutes or so of the movie. What about the monoliths? Whats with that fetus? Just what the hack happens in that long ending sequence?All that symbolism actually makes it even harder...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/qipnt/eli5_the_ending_of_the_movie_2001_a_space_odyssey/
{ "a_id": [ "c3xwjgw", "c3xwozp", "c3xws5k", "c3xx1ew", "c3xybwc", "c3xyyrc", "c3xz3if", "c3xzan3", "c3xzbdn", "c3xzhwz", "c3xzkj6", "c3y0bbo", "c3y0dzk", "c3y0fyw", "c3y0iq9", "c3y0m47", "c3y0rz4", "c3y0us9", "c3y0vgk", "c3y1tcy", "c...
[]
[]
[ [], [ "http://www.imdb.com/title/tt0062622/faq#.2.1.43" ], [], [], [], [], [], [], [], [ "http://www.collativelearning.com/2001%20analysis%20new.html" ], [ "http://www.kubrick2001.com/" ], [], [ "http://kubrick2001.com/" ], [], [], [ "http://www.reddit.com/r...
1fh8me
how people are so distracted from space exploration and technologies?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1fh8me/eli5_how_people_are_so_distracted_from_space/
{ "a_id": [ "caa8hmf" ], "score": [ 2 ], "text": [ "There are many, many interesting things in the world. Space exploration is just one of them. Lots of very clever people are busy working on different problems.\n\nThe majority of the population, though, just isn't interested in science and space,...
[]
[]
[ [] ]
34nduv
What effect did the Nuremberg trials have on the U.S. Supreme Court during that period?
With U.S. Supreme Court Justice Robert H Jackson serving as a prosecutor in Nuremberg, how did this affect the SCOTUS operations? Did they appoint a stand-in, or continue to hear cases without him?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/34nduv/what_effect_did_the_nuremberg_trials_have_on_the/
{ "a_id": [ "cqwhuux" ], "score": [ 5 ], "text": [ "They heard cases without him, using the same procedures for cases when a justice recuses him/herself. For instance, Girouard v. United States (1946) was argued and decided (5-3) without Jackson's participation since he missed the entire October 1...
[]
[]
[ [ "http://www.roberthjackson.org/the-man/speeches-articles/speeches/speeches-related-to-robert-h-jackson/mr-justice-robert-h-jackson-1892-1954-an-attempt-to-place-him-into-some-historical-perspective/" ] ]
cnghi9
Since pi is and irrational number, it goes on forever. How do we know the sequence of pi beyond what current technology computes?
[deleted]
askscience
https://www.reddit.com/r/askscience/comments/cnghi9/since_pi_is_and_irrational_number_it_goes_on/
{ "a_id": [ "ewdv0a1", "ewdvcxr" ], "score": [ 9, 6 ], "text": [ "Here's an algorithm that can compute the n-th digit of pi without computing the preceding digits. \n\n\n[_URL_0_](_URL_1_)", "Your question is a little unclear. \n\nWhat do you mean by \"know the sequence of pi\"? We do...
[]
[]
[ [ "https://en.wikipedia.org/wiki/Bailey%E2%80%93Borwein%E2%80%93Plouffe\\_formula", "https://en.wikipedia.org/wiki/Bailey%E2%80%93Borwein%E2%80%93Plouffe_formula" ], [] ]
2cf3hc
why are the conservative republicans afraid of the the tea party republicans?
I hear this a lot and not 100% sure why. Not looking for Republican bashing just why they are so influential
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2cf3hc/eli5_why_are_the_conservative_republicans_afraid/
{ "a_id": [ "cjettxs", "cjetxxu", "cjetync" ], "score": [ 2, 5, 2 ], "text": [ "There are people who desperately wanted to see an end to old DC back in 08 and never got it. The GOP also espouses many values that are falling out of favor with the majority of Americans, so they can't...
[]
[]
[ [], [], [] ]
e06i7i
what causes the occasionally visible electricity when you plug things in?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/e06i7i/eli5_what_causes_the_occasionally_visible/
{ "a_id": [ "f8c6c5q", "f8c6ege" ], "score": [ 9, 4 ], "text": [ "If the thing you're plugging in draws a lot of current, then there will be a brief spark where there's enough connection to transfer electricity but there's not enough metal-metal contact to make it a efficient, low resistan...
[]
[]
[ [], [] ]
sv6dr
Is the average life expectancy thought to cap off at some point?
I'm really wondering, with increasing medical advancements, until what age could life expectancy steadily rise to? Also, with increasing life expectancy, do we see an increase in outliers, or people who live to a record age? How far could we see that go?
askscience
http://www.reddit.com/r/askscience/comments/sv6dr/is_the_average_life_expectancy_thought_to_cap_off/
{ "a_id": [ "c4h8oe4", "c4h8of3" ], "score": [ 8, 7 ], "text": [ "Some say that average longevity and outlier maximal longevity can grow indefinitely with future technology. I think it would be foolish to predict that eventual scientific discoveries *cannot* find ways to repair and replace...
[]
[]
[ [], [] ]
8pmb4p
What population impacts were observed from adding iodine to table salt?
I found a study referenced in Wikipedia that stated that the wide-scale adoption of iodine into salt resulted in increased IQ among that age cohort. It stated also that: "We also document a large increase in thyroid-related deaths following the countrywide adoption of iodized salt, which affected mostly older individu...
askscience
https://www.reddit.com/r/askscience/comments/8pmb4p/what_population_impacts_were_observed_from_adding/
{ "a_id": [ "e0dfmcc" ], "score": [ 7 ], "text": [ "The sudden bioavailability of normal iodine levels in some individuals with chronic iodine deficiency and the resultant nodular goiter caused overproduction of thyroxin leading to hyperthyroidism – a condition called iodine-induced thyrotoxicosis...
[]
[]
[ [ "http://www.nber.org/papers/w19233" ] ]
3jpl9r
why don't they put high quality microphones/speakers in air planes? i've never been able to hear what the pilot is saying clearly.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3jpl9r/eli5_why_dont_they_put_high_quality/
{ "a_id": [ "curb7ob" ], "score": [ 5 ], "text": [ "A couple reasons:\n\n1) Financial - If the current stuff works \"well enough\" that information is communicated between the tower and the plane, then it's enough to hear \"Brace for impact\" or something similar.\n\n2) Noise! - Airplanes vibrate....
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[]
[ [] ]
k1xpw
how the does a printer work?
I watched a huge printer in the office today. It is about 4 feet wide and was printing extremely intricate details for me. I don't understand how a printer works! How do lasers or jets work so that color comes out on the page? Help me out Reddit!
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/k1xpw/eli5_how_the_does_a_printer_work/
{ "a_id": [ "c2gwhkh", "c2gxyep", "c2gzi95", "c2gwhkh", "c2gxyep", "c2gzi95" ], "score": [ 27, 6, 2, 27, 6, 2 ], "text": [ "There are a few different ways printers work.\n\nInk jet printers work by placing small drops of ink onto the paper. That's why when ...
[]
[]
[ [], [ "http://youtu.be/MJ5ghlTdF9k" ], [], [], [ "http://youtu.be/MJ5ghlTdF9k" ], [] ]
8ikxrj
why are drugs that have no recreational use, such as a drug that you would get to treat a sinus infection, only available through prescription.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8ikxrj/eli5_why_are_drugs_that_have_no_recreational_use/
{ "a_id": [ "dyslfgm", "dyslqbb", "dysme8v" ], "score": [ 2, 2, 2 ], "text": [ "Im guessing youre talking about antibiotics. It would become a real issue if anyone at anytime could buy antibiotics when they have the sniffles. You see antibiotics ONLY work against bacteria, so if yo...
[]
[]
[ [], [ "http://nopr.niscair.res.in/bitstream/123456789/10357/1/SR%2047%2810%29%2044-48.pdf" ], [] ]
3k7v63
why is their so much abuse on online gaming?
I am reasonably new to the gaming community, after only a few hours i realized how abusive the online chat for some games are. The game I am talking about in particular is Rust. So explain why this happens.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3k7v63/eli5_why_is_their_so_much_abuse_on_online_gaming/
{ "a_id": [ "cuvf810", "cuvfjt1" ], "score": [ 13, 3 ], "text": [ "One of the key factors is anonymity, just the fact that nobody knows you, unless you are playing with friends. People are much more likely to lash out at people and even verbally attack them when they know the other person ...
[]
[]
[ [], [] ]
4ktjwk
why are many important historical artefacts locked away and rarely displayed even though they are very well protected (climate control boxes etc)?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4ktjwk/eli5_why_are_many_important_historical_artefacts/
{ "a_id": [ "d3hn50c", "d3hngd6", "d3hqjqu" ], "score": [ 2, 2, 2 ], "text": [ "The space to safely display important artifacts is much smaller than would be required to display all the archived artifacts. It's just too expensive to put everything on display and take care of it.",...
[]
[]
[ [], [], [] ]
bxs2op
In the middle ages did people really have gold coins?
Or maybe to be more specific did normal common people have gold coins? It's one thing for merchants and kings to have access to coins that would be like a 10,000 dollar bill or something but would a normal peasant be able to go to a baker and trade 2 gold coins for a loaf of bread or something? In Feudal systems did mo...
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/bxs2op/in_the_middle_ages_did_people_really_have_gold/
{ "a_id": [ "eqbe34b" ], "score": [ 16 ], "text": [ "The mainstay of the early medieval English economy wasn't gold, but rather the silver penny. Gold coins *did* exist, but they were largely symbolic propaganda pieces like the [gold *mancus* of Ceolwulf](_URL_0_), one of only eight extant gold co...
[]
[]
[ [ "https://www.britishmuseum.org/research/collection_online/collection_object_details.aspx?objectId=1593837&partId=1" ] ]
6e9pn3
why is there a border crossing between hong kong and china since the british relinquished to the people's republic on china in 1997?
A friend of mine just got back from China and described having to cross a border check-point between Hong Kong and China. Why is this in place, considering the British relinquished control of Hong Kong to the People's Republic of China in 1997?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6e9pn3/eli5_why_is_there_a_border_crossing_between_hong/
{ "a_id": [ "di8o0mp", "di8o8jp", "di8q2nm" ], "score": [ 3, 6, 2 ], "text": [ "Hong Kong is an autonomous territory, meaning that although it belongs to China, it pretty much runs its own affairs. It has its own government and its own economy (even its own currency), so is almost ...
[]
[]
[ [], [], [ "https://en.wikipedia.org/wiki/Exit-Entry_Permit_for_Travelling_to_and_from_Hong_Kong_and_Macau" ] ]
6lewna
how large corporations recover once they have been infected by ransom ware.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6lewna/eli5_how_large_corporations_recover_once_they/
{ "a_id": [ "djtftjg" ], "score": [ 13 ], "text": [ "Any corporation with a competent IT department does regular system-wide backups on a daily basis. They also have a disaster recovery plan that allows them to stand up new instances of their critical systems on short notice.\n\nAnd sometimes, th...
[]
[]
[ [] ]
cb14n0
Do we have any surviving primary sources from ancient rome?
Most of the sources I've seen are copies of copies from the middle ages but do we have any actual sources that date to ancient rome?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/cb14n0/do_we_have_any_surviving_primary_sources_from/
{ "a_id": [ "etcx68w" ], "score": [ 5 ], "text": [ "First off I assume you mean primary “written” sources since you refer to copying. \n\nNon-written primary sources would include paintings, mosaics, architecture, statues all of which have are essential primary sources to understanding the the anc...
[]
[]
[ [ "www.papyrology.ox.ac.uk/POxy/" ] ]
2kbwyy
How has the "choreography" of opera changed?
Nowadays you'll usually see the singers also acting the role, but has it always been this way? I seem to recall reading there was a time that the singers were expected to be quite static while performing an aria or other piece.
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/2kbwyy/how_has_the_choreography_of_opera_changed/
{ "a_id": [ "clk8zgd" ], "score": [ 2 ], "text": [ "Cool question! This is one of those aspects of opera that’s not too popular to write about actually, now with scholars, or then with contemporaries. You’ll get contemporary opera viewers writing things like Farinelli can’t act, or that Gaetano Gu...
[]
[]
[ [ "https://archive.org/stream/reflectionsupont00pick#page/62/mode/2up", "http://ukcatalogue.oup.com/product/9780199365203.do", "http://upload.wikimedia.org/wikipedia/commons/4/42/Ceskystage.jpg" ] ]
7xrmsb
How are Bi Elliptical Transfers More Efficient Than Hohmann Transfers?
askscience
https://www.reddit.com/r/askscience/comments/7xrmsb/how_are_bi_elliptical_transfers_more_efficient/
{ "a_id": [ "duan81l" ], "score": [ 5 ], "text": [ "[This past answer](_URL_1_) by /u/ThePsuedoMonkey might help:\n\n > Think of an orbit as an energy system; at periapsis your orbital velocity is the highest (high kinetic energy) while at apoapsis your elevation is the highest (high potential en...
[]
[]
[ [ "http://books.google.com/books?id=PJLlWzMBKjkC&pg=PA305&source=gbs_toc_r&cad=4#v=onepage&q&f=false", "https://www.reddit.com/r/askscience/comments/1lyn3z/hohmann_transfer_orbit_vs_bielliptic_transfer/" ] ]
2bq27b
Suppose I'm falling at terminal velocity with a large object near me. I positioned myself on top of said object and pushed up with my legs as hard as I can before hitting the ground. Under what parameters would I survive the fall?
I did some rough physics calculations though they may be wrong since it's been a while: Terminal velocity ~= 53 m/s, with a rough weight of 70 kg, so my total momentum is 3750 kg m/s which I would need to reduce to a small value through the impulse of pushing off with my legs. Not how to proceed from there though.
askscience
http://www.reddit.com/r/askscience/comments/2bq27b/suppose_im_falling_at_terminal_velocity_with_a/
{ "a_id": [ "cj7suvu" ], "score": [ 31 ], "text": [ "Let's say you're falling on top of the object. In the reference frame of the object, you jump and give yourself a vertical speed of 4 meters per second. Then consider the reference frame of the ground. Instead of crashing at 50 m/s, you crash at...
[]
[]
[ [] ]
rwtds
[meta] A modest proposal to further improve this subreddit.
Hi gang, it's me, the pirate person. Earlier we created a sidebar that has improved the quality of this sub. This came along with the panel of historians flair tags already in place by our overlord Artrw...Hallowed be his moderating..., and this has made for us a great environment that has seen something in the order...
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/rwtds/meta_a_modest_proposal_to_further_improve_this/
{ "a_id": [ "c49a7pl", "c49a8rv", "c49b5us", "c49b6ge", "c49bt8a", "c49crvm", "c49cw45", "c49e77e", "c49erp8", "c49gl3z", "c49h2wo", "c49izp0", "c49t65f", "c4a4fr9" ], "score": [ 7, 6, 17, 4, 14, 3, 5, 2, 4, 4, 3, ...
[]
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[ [], [], [], [ "http://en.wikipedia.org/wiki/Know-Nothings" ], [], [ "http://www.reddit.com/help/faqs/watches" ], [], [], [], [ "askhistorians.wikispaces.com" ], [], [], [], [] ]
dufwn4
why do two transits of venus occur every hundred or so years, but the transits of mercury occur more frequently than venus?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/dufwn4/eli5_why_do_two_transits_of_venus_occur_every/
{ "a_id": [ "f75j2vk" ], "score": [ 17 ], "text": [ "Mercury orbits the sun much quicker than Venus. And Venus and Earth's orbit time are closer. That means Mercury is going to \"lap\" the earth far more often which gives opportunity for a transit.\n\n(Imagine a track race where you're on the ou...
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3n22v6
why do states seem to carry out executions in the middle of the night rather than during the day?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3n22v6/eli5_why_do_states_seem_to_carry_out_executions/
{ "a_id": [ "cvk4qdn" ], "score": [ 3 ], "text": [ "If someone is due to be executed on October 1st, they do it right when it turns october 1st, right after midnight." ] }
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k702l
how lottery cards are made?
They obviously cant have thousands of cards with the same combinations, so how does it work?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/k702l/eli5_how_lottery_cards_are_made/
{ "a_id": [ "c2hzp88", "c2hzp88" ], "score": [ 2, 2 ], "text": [ "The non playing areas are all the same and made by standard off-set printing methods. A special printer based on the same technology as ink jet printers selects numbers at random from a computer bank and prints them on the ...
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[ [], [] ]
eia45p
Did Living Standards Decline After the Fall of Rome?
Question for anyone here who might know about living standards in Roman Europe (or Asia minor and North Africa) and living standards in medieval Europe: Would it be accurate to say that there was some drop in living standards once the Roman Empire began to decline and eventually fell? I understand that many educated pe...
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/eia45p/did_living_standards_decline_after_the_fall_of/
{ "a_id": [ "fcrt05q" ], "score": [ 2 ], "text": [ "Hello there. This is not the answer you are waiting for, but I am going to try help you framing it differently so it can be answered by more knowledgeable people.\n\nBecause the question, as it is, is very very difficult to answer, for several re...
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48odch
How did Zhenjin die? (the father of Temür Khan and son of Kublai khan)
Can't find anything on google and just find it really odd that no mention of how he died seems to have been recorded.
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/48odch/how_did_zhenjin_die_the_father_of_temür_khan_and/
{ "a_id": [ "d0linbr" ], "score": [ 2 ], "text": [ "According to the **History of Yuan**, he died of alcoholism. However, it may not have been as simple as merely drinking too much. It also states that shortly before his death, some ministers of the court wanted to propose that Kublai Khan abdicat...
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t608z
If you bring a bucket big enough to put over your head underwater, can you breathe in the bucket, being able to stay underwater longer?
When a cup is pushed underwater rim-down, it creates an air bubble in the cup. Now, if the cup were bigger, say an ice bucket, it would create the same effect, but bigger. Since there is air in the bucket, it would be buoyant and float to the top. When it is tied down with enough weight, it would stay under. Now, if yo...
askscience
http://www.reddit.com/r/askscience/comments/t608z/if_you_bring_a_bucket_big_enough_to_put_over_your/
{ "a_id": [ "c4ju1xy", "c4juit4" ], "score": [ 2, 2 ], "text": [ "I did this in our pool, using a small 3gal bucket and a big rock. (Tried cinderblock, but it wasn't heavy enough.)\n\nBut unfortunately the CO2 builds up quickly. With my head in the bucket, most of the volume of the bucke...
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[ [ "http://www.youtube.com/results?search_query=underwater+helmet", "http://www.youtube.com/watch?v=Phj3lLEtWlk" ], [] ]
61ytji
why do islands come in chains?
Someone recently told me Hawaii comes from an underwater volcano and moving tectonic plates...? It doesn't make sense to me at the moment. Could someone explain how an Island chain is formed and maybe compare it to how other islands form? Thanks in advance!
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/61ytji/eli5_why_do_islands_come_in_chains/
{ "a_id": [ "dfibrb1", "dfidbmh" ], "score": [ 2, 3 ], "text": [ "From my simple understanding; those tectonic plates are moving slowly. As they pass over the hot spot where the molten rock is oozing from the earth's mantle, there is enough buildup to form an island.\n", "The Earth is ...
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[ [], [ "https://commons.wikimedia.org/wiki/File:Partial_melting_asthenosphere_EN.svg" ] ]
1yes9b
my poop floats sometimes, and sinks others. what gives?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1yes9b/eli5_my_poop_floats_sometimes_and_sinks_others/
{ "a_id": [ "cfjuygn", "cfk09yv", "cfk0gjl" ], "score": [ 21, 2, 7 ], "text": [ "The density can vary based on things like fat content; having too much fat in it can make it float for example.", "I have a B.S in nutrition and a Doctorate in Naturopathic medicine. \n\nThis ques...
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[ [], [ "http://www.continence.org.au/pages/bristol-stool-chart.html", "http://www.medicinenet.com/stool_color_changes/article.htm" ], [] ]
f9az61
why are whites and yolks mixed in separately while baking cakes? sometimes extra yolk is also added. how does that affect the cake?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/f9az61/eli5_why_are_whites_and_yolks_mixed_in_separately/
{ "a_id": [ "fiqca28", "fiqfshg" ], "score": [ 3, 2 ], "text": [ "They aren’t always separate. More often than not the whole egg goes in. Yolks the fattiest most flavorful part so they extra yolks being more moisture and depth to taste. Whites are comparatively less so but whip well to bei...
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[ [], [] ]
49qixr
how does the us democratic party's rule of proportional representation work?
How does the rule work and apply to two candidates and what does it mean to the candidate coming second? From the little I have heard on the news it seems that the candidate coming second will always be second because of the rule. That seems like it would be a broken rule though so I do not think that is true.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/49qixr/eli5_how_does_the_us_democratic_partys_rule_of/
{ "a_id": [ "d0ty8ph" ], "score": [ 2 ], "text": [ "All candidates who get 15% or more of the vote in a certain state get delegates. How many delegates they get depends on the number of people who voted for them: if candidate A gets twice as many votes as candidate B, then candidate A gets twice a...
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49fl0s
spanning tree network?
Please.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/49fl0s/eli5_spanning_tree_network/
{ "a_id": [ "d0rfvsh", "d0rg82m" ], "score": [ 2, 2 ], "text": [ "I assume you have a basic understanding of networking to be asking this question. But essentially, if you have a layer 2 network without spanning tree or some other means enabled what happens is the broadcasts/traffic would...
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[ [], [] ]
dz186n
What invasive species invaded and destroyed ecosystems without the help of humans?
Like the cats destroyed birdlife in NZ, but only after humans brought them.
askscience
https://www.reddit.com/r/askscience/comments/dz186n/what_invasive_species_invaded_and_destroyed/
{ "a_id": [ "f86sxe3" ], "score": [ 7 ], "text": [ "This can occur when previously isolated ecosystems become connected in some way. Check out the Great American Interchange, when North and South America became connected by a land bridge. A lot of South American animal species became extinct short...
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[ [ "https://youtu.be/Ds0aDc6sBtg" ] ]
fkrqw4
How did the Haudenosaunee/Iroquois Confederacy form?
How accurate is the story of Hiawatha and Great Peacemaker? What are some good books on the history of the Iroquois from a Native perspective?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/fkrqw4/how_did_the_haudenosauneeiroquois_confederacy_form/
{ "a_id": [ "fkunttg" ], "score": [ 7 ], "text": [ " > How accurate is the story of Hiawatha and Great Peacemaker?\n\nTo start out with, there isn't a singular concerning the efforts of the Peacemaker, Hiawatha, and Jigonsaseh (the third major founder that is often neglected in these conversation...
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[ [ "https://www.google.com/books/edition/The_Rotinonshonni/RYWiAgAAQBAJ", "https://www.google.com/books/edition/Iroquoian_Women/lQqMrn7SvXYC" ] ]
q85iq
Would someone with anaemia get intoxicated easier?
As I understand it, anaemia is a condition where you have decreased blood volume due to various reasons, is 'drunkenness' simply (or predominately) alcohol vs blood volume, or is it more a combination of other factors?
askscience
http://www.reddit.com/r/askscience/comments/q85iq/would_someone_with_anaemia_get_intoxicated_easier/
{ "a_id": [ "c3vj8xc" ], "score": [ 3 ], "text": [ "First, anemia is not decreased blood volume but rather low red blood cells or hemoglobin in the blood. This is due to, as you said, a variety of reasons. \n\nAlcohol is metabolized in the liver by three primary systems: alcohol dehydrogenase, CYP...
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6of361
Was there any serious opposition to the Habsburg dynasty for the Imperial throne between the death of Frederick III and the War of the Austrian Succession (1493-1740)?
After Frederick III managing secure the title of Holy Roman Emperor(several Habsburgs have been king of the romans beforehand), was there any serious opposition for the Habsburg election to the imperial throne until the succession of Maria Theresa?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/6of361/was_there_any_serious_opposition_to_the_habsburg/
{ "a_id": [ "dkgxhrb" ], "score": [ 5 ], "text": [ "You might enjoy my earlier answer on the [crazy negotiations behind the election of 1519](_URL_0_) (Charles V). And, er, \"negotiations.\"" ] }
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[ [ "https://www.reddit.com/r/AskHistorians/comments/525j41/in_the_1519_election_the_viable_candidates_for/d7hqjsi/" ] ]
4cj7rp
i know who takes over if a u.s. president were to die in office, but who would take over if a presidential candidate were to die of a heart attack or such? they're running mate or would their party nominate another candidate? what would happen?
I was so afraid to google "what would happen if a presidental candidate would die before the elections" lol... So I figured I would ask here. Thanks. Yea yea yea, I know, I ment their not they're, sorry in advance.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4cj7rp/eli5i_know_who_takes_over_if_a_us_president_were/
{ "a_id": [ "d1ioqqd", "d1ios76", "d1ip60l", "d1iqzb9", "d1is968" ], "score": [ 2, 4, 2, 2, 3 ], "text": [ "The party whose nominee they would have been would decide how to replace them. There are reasonable arguments to be made for either the second highest vote ge...
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[ [], [], [], [], [ "https://en.wikipedia.org/wiki/Democratic_Party_presidential_primaries,_1968" ] ]
273mh9
There has been some claim that the Dalai Lama presided over a feudalistic/slave Tibet until Chinese Communism abolished the system. How accurate is this?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/273mh9/there_has_been_some_claim_that_the_dalai_lama/
{ "a_id": [ "chx4kqf", "chx4pjm", "chxbgrd", "chxgszj" ], "score": [ 400, 232, 266, 9 ], "text": [ "Using the term 'feudalistic' and 'slavery' as a comparative isn't a very appropriate way to view either system. Feudalism implies an aristocracy who owns land by inherited ri...
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[ [], [], [], [] ]
50a8mg
What was "Viking" ale?
I've been watching Vikings and they reference "ale" a lot. I'm curious if anyone knows more about what this is and what they made it with. Thank you!
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/50a8mg/what_was_viking_ale/
{ "a_id": [ "d72hexc" ], "score": [ 32 ], "text": [ "First of all, we must remember than unlike today, \"ale\" and \"beer\" were not the same type of drink in early medieval times.\n\n\"Beer\" or björr might refer to ale-type beer, but also to mead or even cider. Its not exactly clear if this is s...
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1p6ngw
Why did the Red Army in WW2 allow itself to be encircled time and again? Bad leadership, arrogance, or other factors?
There were atleast twelve encirclement of 12,000+ men, with the largest around 500,000.
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/1p6ngw/why_did_the_red_army_in_ww2_allow_itself_to_be/
{ "a_id": [ "cczfufy" ], "score": [ 7 ], "text": [ "A number of factors. First of all, encirclements in general were a product of the highly mobile warfare of WWII. It was easy for the side that had the initiative to mass their forces in a small area, achieve a breakthrough, and then use their mob...
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[ [] ]
4lxl3u
why when you look in a mirror with a mirror oppisite that it goes on forever, but seems to get darker the further in it gets?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4lxl3u/eli5_why_when_you_look_in_a_mirror_with_a_mirror/
{ "a_id": [ "d3qwtpm" ], "score": [ 2 ], "text": [ "Mirrors aren't perfect - not all of the light that hits a mirror is reflected back out again.\n\nIf, for instance, a mirror reflects 90% of the light that hits it, that means 10% will be lost.\n\nSo on the first reflection, you'll be down to 90% ...
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35yijm
What limited the hunter-gatherer population in comparison to agricultural societies?
I know that agricultral scoieties produced more calories-per-acre, but couldn't the hunter-gathers cover a wider area for more calorie production? Every thing I read about hunter-gathers make it seem like they work less and are healthier then those in an agricultural society, so I dont see why the birthrates and survi...
askscience
http://www.reddit.com/r/askscience/comments/35yijm/what_limited_the_huntergatherer_population_in/
{ "a_id": [ "cr9xmps" ], "score": [ 3 ], "text": [ "Whenever food production capability jumps, like what happened in southern China after the advent of high-yield rice or what happened recently with fertilisers, population soon follows. Agricultural societies tend to make children more frequently....
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2oxb83
If comets are losing mass as they get closer to the sun, how are we able to accurately predict Halley's Comet's trajectory?
Since comets are constantly losing mass would this not affect the future trajectory of the comet? Unless we are able to measure the mass lost. But how did Edmond Halley predict it based on math alone?
askscience
http://www.reddit.com/r/askscience/comments/2oxb83/if_comets_are_losing_mass_as_they_get_closer_to/
{ "a_id": [ "cmsq51m" ], "score": [ 2 ], "text": [ "We cannot accurately predict it in the sense of being 100% accurate, it's a ball park figure based on intelligent assumptions being made & then plugging in those figures to work out the path of the comet. Done often enough (i.e. via a computer)...
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9h45s6
How Did Newfoundland Interact With Slavery in the Americas & Carribbean?
I had read that the cod fisheries in Newfoundland were sort of symbiotic with the sugar plantations down south, importing salt & rum and exporting cheap salt cod to feed the slaves, but the details have always been a bit vague.
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/9h45s6/how_did_newfoundland_interact_with_slavery_in_the/
{ "a_id": [ "e6cfcd0" ], "score": [ 3 ], "text": [ "They were indeed, and the trade relationship between Newfoundland and the Caribbean has had a lasting effect on the culture that can be seen to this day. \n\nSince the first [livyers](_URL_0_) started staying in Newfoundland around 1610 till abou...
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[ [ "https://www.heritage.nf.ca/dictionary/#2715", "https://www.heritage.nf.ca/dictionary/#3555" ] ]
5y2kx2
Is there any meaning to the phrase "twice as hot" or "twice as cold" as 0 degrees?
My understanding of temperature is that it's mostly a measurement of how fast molecules move. Do molecules move twice as fast at 80 degrees celcius as they do at 40? That's absurd, right? Co-workers are arguing among one another.
askscience
https://www.reddit.com/r/askscience/comments/5y2kx2/is_there_any_meaning_to_the_phrase_twice_as_hot/
{ "a_id": [ "demql3x", "demsakh", "demy6sk", "dengfgj" ], "score": [ 202, 11, 4, 2 ], "text": [ "**tl;dr: Yes you can double or half the temperature of something, but not in the way you're probably thinking.**\n\nThe confusing part of this topic for most people is that the ...
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[ [ "https://i.imgur.com/wfzDTfg.jpg", "https://en.wikipedia.org/wiki/Lowest_temperature_recorded_on_Earth", "https://en.wikipedia.org/wiki/Pounds_per_square_inch", "https://www.wolframalpha.com/input/?i=2*184K", "https://en.wikipedia.org/wiki/Lead#Bulk", "http://hyperphysics.phy-astr.gsu.edu/...
5obaha
How can TSA/Airport security workers stand next to X and T ray machines all day everyday without any ill effects?
I know the people walking through the machines have nothing to worry about, but are there any precautions in place to stop the workers absorbing these rays? Do the machines focus the radiation into one area? Thanks in advance.
askscience
https://www.reddit.com/r/askscience/comments/5obaha/how_can_tsaairport_security_workers_stand_next_to/
{ "a_id": [ "dchzexh", "dciyhcz" ], "score": [ 143, 8 ], "text": [ "Like any radiation worker, they apply ALARA. That means that you should take steps to make your radiation exposure \"As Low As Reasonably Achievable\". The ways to do this are the maximize distance from the source, minimiz...
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[ [], [] ]
bx10vk
could someone get in trouble for accidentally stumbling upon child porn
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/bx10vk/eli5_could_someone_get_in_trouble_for/
{ "a_id": [ "eq280g7", "eq2b6nv", "eq2bews" ], "score": [ 2, 5, 2 ], "text": [ "It depends on how many times this \"accident\" happened. And btw...before considering telling police that you meant to be committing a different form of illegal movie downloading...you might want to co...
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[ [], [], [] ]
ia5bo
If something huge hit the Earth, would humans and objects on the opposite side of the planet go flying up in the air?
[Remember how these balls work?](_URL_1_) One ball smacks another ball, the energy is transferred across the balls, and eventually the ball on the end goes flying. If certain something hit the Earth, in a certain location, at a certain speed, at a certain angle, etc., etc., ideal conditions, etc. ... and I were stand...
askscience
http://www.reddit.com/r/askscience/comments/ia5bo/if_something_huge_hit_the_earth_would_humans_and/
{ "a_id": [ "c224m9r", "c225206", "c225vsp" ], "score": [ 45, 6, 5 ], "text": [ "The earth is quite squishy on the big scale. It would be like hitting a water balloon i think. A gigantic shock wave would propagate around the earth from the impact location. If the object is big enou...
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[ "http://www.labnol.org/internet/find-the-exact-opposite-point-on-planet-earth/5065/", "http://en.wikipedia.org/wiki/Newton's_cradle" ]
[ [], [ "http://en.wikipedia.org/wiki/Caloris_Basin" ], [] ]
1ffb4n
If I shot a lazer that went forever in a straight line through space, what are the odds it would hit an object - star, planet, nebula etc..?
askscience
http://www.reddit.com/r/askscience/comments/1ffb4n/if_i_shot_a_lazer_that_went_forever_in_a_straight/
{ "a_id": [ "ca9rljm", "ca9syfy" ], "score": [ 7, 5 ], "text": [ "All lasers (and all photons in general) do go in straight lines through space. \n\nEdit: Removed my answer which presumed a static universe. BarnardPancake is correct.", "This question is very similar to [Olbers' parad...
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[ [], [ "https://en.wikipedia.org/wiki/Olbers'_paradox", "http://www.stephenhicks.org/wp-content/uploads/2009/08/universe-near.jpg" ] ]
2tertv
why is there so much down time in professional football games?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2tertv/eli5_why_is_there_so_much_down_time_in/
{ "a_id": [ "cnycz0j" ], "score": [ 2 ], "text": [ "I'm assuming you mean American football. There are a couple reasons: \n\n* It provides ample time to include commercials\n* Football is an extremely brutal and tiring sport; the downtime gives players a chance to recover between plays\n* Oftentim...
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77kcc2
why does rain make us feel cozy?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/77kcc2/eli5_why_does_rain_make_us_feel_cozy/
{ "a_id": [ "domld69", "domlpr6", "domlziw", "domqsdx" ], "score": [ 5, 96, 10, 8 ], "text": [ "It depends on where you are. If you're at home, and it's also cold out, you turn on the heat and some lights, grab a sweater or a blanket, and bam, you're feeling cozy. Because...
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[ [], [], [], [] ]