q_id stringlengths 5 6 | title stringlengths 3 301 | selftext stringlengths 0 39.2k | document stringclasses 1
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values | url stringlengths 4 132 | answers dict | title_urls list | selftext_urls list | answers_urls list |
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6xth7n | how is machine learning and artificial intelligence different from each other? | AFAIK, both involve a machine to learn certain tasks and evolve over time and get better at it. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6xth7n/eli5_how_is_machine_learning_and_artificial/ | {
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" > both involve a machine to learn certain tasks and evolve over time and get better at it.\n\nFalse. That does not apply to AI\n\nAI most often refers to a process that can evaluate and intelligently ... | [] | [] | [
[],
[],
[]
] | |
1c7ki4 | What happens if you carry out sensory deprivation to only one half of the brain? | Think for example of covering the right eye and put a plug the left ear and minimize all sensations on the right part of the body, thus leaving the left hemisphere with little sensory input while the other half gets "normal" input.
edit: I understand that the sensory input is mapped to the brain in a more complicated ... | askscience | http://www.reddit.com/r/askscience/comments/1c7ki4/what_happens_if_you_carry_out_sensory_deprivation/ | {
"a_id": [
"c9e0fu1",
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"score": [
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"text": [
"That wouldn't work. There are both ipsilateral and contralateral connections. ",
"If I understand you correctly, your asking what happens to [cerebral lateralization](_URL_2_) in the event of sensory deprivation. The thi... | [] | [] | [
[],
[
"http://www.uphs.upenn.edu/news/News_Releases/2011/08/mild-hearing/",
"http://www.ajnr.org/content/28/2/243.full",
"http://en.wikipedia.org/wiki/Lateralization_of_brain_function"
]
] | |
57cogh | When the LHC was created there was an expectation that it would lead to the discovery of the Higgs boson. Do we have any similar discoveries we are expecting to make in the near future? | askscience | https://www.reddit.com/r/askscience/comments/57cogh/when_the_lhc_was_created_there_was_an_expectation/ | {
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"score": [
693,
187,
... | [] | [] | [
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"http://indico.ictp.it/event/a13191/session/3/contribution/13/material/0/0.pdf",
"http://2016.lecmeeting.org/FRIB_vision_balantekin.pdf"
],
[],
[],
[
"https://www.iter.org/proj/inafewlines",
"https://lasers.llnl.gov/about/what-is-nif"
],
[
"http://www.jpl.nasa.gov/missions/europa-m... | ||
3v6guk | How can one "break the entanglement" between two quantically entangled particles? | Asuming that a "robust" entanglement between particles exists--if such a thing REALLY exists--that is, not easily affected by background noise and the like, how else can we "break the entanglement" between said particles? | askscience | https://www.reddit.com/r/askscience/comments/3v6guk/how_can_one_break_the_entanglement_between_two/ | {
"a_id": [
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"Entanglement simply means that you can't write a two-particle state as a product of two one-particle states (or the analogous statement for states with more particles).\n\nOnce you measure the state of one of the particles, its state is known, an... | [] | [] | [
[]
] | |
261wpj | Did ancient civilizations utilize flags? | I was watching Gladiator today and noticed that they had hundreds of flags on top of the Colosseum in the movie. That got me thinking, did ancient civilizations such as Rome, Carthage, Greece, and others use flags? If they did use flags, what did they use them for decoration? War? Or did they have other uses for the fl... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/261wpj/did_ancient_civilizations_utilize_flags/ | {
"a_id": [
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"text": [
"Sorry that I'm not answering to your specific question, however I can answer that Ancient China did use flags. They were often flown on castles to show which warlord controlled cities as well as flown during battle. They wer... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Wu_Xing"
],
[]
] | |
6ytuuc | How did navies before the invention of radio know a port was not hostile? | If a ship was sailing from India to the UK for example, it would have to make several stops at ports around Africa, how would the crew know that the designated port was still friendly?
Did many ships looking to take on supplies get attacked or captured because of this? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6ytuuc/how_did_navies_before_the_invention_of_radio_know/ | {
"a_id": [
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"text": [
"There are two sides to this 'not knowing' equation. They [edit: the ports] also didn't necessarily know matters, unless connected telegraphically or visited by a ship, and the ships approaching would have to observe from a distance to try and s... | [] | [] | [
[]
] | |
a9yndp | How do taxonomists know whether a given organism has already been identified? What prevents them from "discocering" new animals that had already been, uknowingly to them, been identified? h | I would imagine that there is a database of some kind out there, but if that's the case, how would they search it? Even if narrowing down to the same genus or species, that could still leave thousands of possibilities, many of which would still be indistinguishable at a glance. How do they do it? | askscience | https://www.reddit.com/r/askscience/comments/a9yndp/how_do_taxonomists_know_whether_a_given_organism/ | {
"a_id": [
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"text": [
"I imagine the individuals making the discoveries are experts in their field of study and are well versed in which organisms have already been identified within that geographic location. It wouldn't be farfetched to assume th... | [] | [] | [
[],
[
"https://www.bbc.com/news/science-environment-37311716",
"https://en.wikipedia.org/wiki/Glossary_of_scientific_naming"
]
] | |
abn26r | eating before or after working out. | Should you eat before exercise or after? And why? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/abn26r/eli5_eating_before_or_after_working_out/ | {
"a_id": [
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"text": [
"If you are concerned about weight loss, then it really doesn't matter what time you eat. Calories add up the same at any time during the day. However, if you want to perform well during your workout, I would eat before. By feeding your body w... | [] | [] | [
[]
] | |
2tb4r6 | why did human males evolve the ability to be angry for no apparent reason? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2tb4r6/eli5_why_did_human_males_evolve_the_ability_to_be/ | {
"a_id": [
"cnxdkxv"
],
"score": [
2
],
"text": [
"Because human females evolved the ability to be a bitch for no apparent reason"
]
} | [] | [] | [
[]
] | ||
cj7e54 | What causes a progression of symptoms? Ie. When I get sick why don't I have all the symptoms I would experience from the start, until I'm better. | askscience | https://www.reddit.com/r/askscience/comments/cj7e54/what_causes_a_progression_of_symptoms_ie_when_i/ | {
"a_id": [
"evdnyy3"
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"text": [
"This can vary wildly depending on the disease, but in general with infectious diseases it's a result of your immune system requiring some time to generate an adaptive response. The symptoms of the common cold, for example, are largely a product o... | [] | [] | [
[]
] | ||
lzqui | will every date feature in the number pi. | Since this number is seemingly infinite, and so is time [citation needed] - will every date exist in some format or one format? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/lzqui/eli5_will_every_date_feature_in_the_number_pi/ | {
"a_id": [
"c2wwtz2",
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"score": [
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6
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"text": [
"The vast majority of real numbers are infinite and contain every possible finite sequence of numbers in any base. So regardless of the way you decide to format it, this is true for those numbers - called [normal numbers](_UR... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Normal_number"
],
[
"http://en.wikipedia.org/wiki/Normal_number"
]
] | |
5h7htl | when we let out a battle cry while lifting something heavy, does it actually help in anyway or is it just in our heads? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5h7htl/eli5_when_we_let_out_a_battle_cry_while_lifting/ | {
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"text": [
"IIRC shouting and swearing has been found to reduce the sensation of pain, so there is a chance it helps a little.",
"Try something: stand up, hold out your arms to the sides, and get a buddy to pr... | [] | [] | [
[],
[],
[]
] | ||
av7g1o | Other than the Pyramids, how sure can we be the 7 ancient wonders existed? |
* [Colossus of Rhodes](_URL_6_)
* [Great Pyramid of Giza](_URL_2_)
* [Hanging Gardens of Babylon](_URL_0_)
* [Lighthouse of Alexandria](_URL_5_)
* [Mausoleum at Halicarnassus](_URL_3_)
* [Statue of Zeus at Olympia](_URL_4_)
* [Temple of Artemis](_URL_1_) at Ephesus
& #x200B;
Bonus question for fun: What would you... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/av7g1o/other_than_the_pyramids_how_sure_can_we_be_the_7/ | {
"a_id": [
"ehdbnq3"
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],
"text": [
"Well, aside from the fact that they are described in ancient sources, we have archeological remains today of quite a few of these structures, which even if just a few foundation stones, at least tells us that there was at one point a very large ... | [] | [
"https://en.wikipedia.org/wiki/Hanging_Gardens_of_Babylon",
"https://en.wikipedia.org/wiki/Temple_of_Artemis",
"https://en.wikipedia.org/wiki/Great_Pyramid_of_Giza",
"https://en.wikipedia.org/wiki/Mausoleum_at_Halicarnassus",
"https://en.wikipedia.org/wiki/Statue_of_Zeus_at_Olympia",
"https://en.wikipedia... | [
[]
] | |
ze22x | With what did the British pay at Canton when they bought massive amounts of tea, before they used Opium? What sort of Western goods were valuable enough for the Chinese? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/ze22x/with_what_did_the_british_pay_at_canton_when_they/ | {
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"Silver. In the century before the Opium Wars, China imported about 290,000 tons of silver from the West. ",
... | [] | [] | [
[],
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[],
[
"http://www.wellcomecollection.org/whats-on/exhibitions/high-society/high-tea.aspx"
],
[],
[],
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] | ||
3q9138 | why do cartoons artists highlight interactable objects in animations? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3q9138/eli5_why_do_cartoons_artists_highlight/ | {
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"text": [
"If something is going to be in motion, it is given a simpler color pallet to make the job of frame by frame animation much easier. Backgrounds, which don't move much, can be drawn in detail.",
"If ... | [] | [] | [
[],
[],
[]
] | |
2o5gth | Would science or math change if a pattern in pi is discovered? | askscience | http://www.reddit.com/r/askscience/comments/2o5gth/would_science_or_math_change_if_a_pattern_in_pi/ | {
"a_id": [
"cmk7htr",
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11
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"text": [
"In general, no. In the specific case where it was discovered that pi's decimal expansion either begins a *repeating pattern* or else is finite, then all of mathematics would be broken irreparably. This is because we *know*... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Pi",
"http://en.wikipedia.org/wiki/List_of_formulae_involving_%CF%80#Three_continued_fractions",
"http://en.wikipedia.org/wiki/Leibniz_formula_for_%CF%80",
"http://en.wikipedia.org/wiki/Basel_problem"
]
] | ||
4fe0ed | why do toilets reverberate? | I went in a forest once and noticed it makes so much less sound. Why aren't toilets designed so they don't amplify everything?
| explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4fe0ed/eli5_why_do_toilets_reverberate/ | {
"a_id": [
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"score": [
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"text": [
"Because they're big ceramic bowls. You could make one out of foam rubber, but I can see some downsides to that.",
"Toilets reflect sound because they are hard and smooth. You could make a silent... | [] | [] | [
[],
[],
[]
] | |
3qa8eo | how/why are college sports so big in america? | Being English, it is mind-blowing to see how big college level sports are in the states. The scale/professional and crowd attendence of college football games for example, is immense. Such games even have media coverage. We have nothing like that over here at university level. In fact, even students of the university d... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3qa8eo/eli5_howwhy_are_college_sports_so_big_in_america/ | {
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"c... | [] | [] | [
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d4735g | Why do big christian minorities exist in Syria and Egypt, while there is almost no zoroastrian minority in Iran? | Both of there regions were swiftly conquered by muslims, yet only in Iran the original religion almost entirely disappeared. What were the factors that affected that? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/d4735g/why_do_big_christian_minorities_exist_in_syria/ | {
"a_id": [
"f08ptzc"
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"score": [
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"text": [
"There's more that can be said, but [this](_URL_1_) and [this](_URL_0_) answers of mine should give a broad overview of some factors at play. There is probably not any one answer."
]
} | [] | [] | [
[
"https://old.reddit.com/r/AskHistorians/comments/a0cqhp/what_role_did_the_persian_emperor_play_in/eawirps/",
"https://old.reddit.com/r/AskHistorians/comments/a4ecdl/why_did_zoroastrianism_stop_spreading_was_it/ebfgmgl/"
]
] | |
izyiz | Eating live bacteria in yogurt: why is this helpful? Does my gut have the same bacteria as yogurt? | I was recently on some obnoxious yet effective antibiotics. My doctor suggested that I could eat yogurt if my stomach got too upset, to help replace beneficial bacteria lost due to the antibiotic.
I did; my stomach stopped being as upset. Maybe it helped, maybe it was an effective placebo.
On a surface level, this ... | askscience | http://www.reddit.com/r/askscience/comments/izyiz/eating_live_bacteria_in_yogurt_why_is_this/ | {
"a_id": [
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"text": [
"This kind of treatment is called [\"probiotics\"](_URL_0_). In general, probiotics have not been proven to be effective, but they could possibly show to be beneficial in the future. (more research is still needed)",
"Jus... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Probiotics"
],
[]
] | |
2z8yfu | how is congress allowed to server for so long, yet in 1947 they limited presidents to 2 terms citing "too much power for too long is a threat to our freedom" | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2z8yfu/eli5_how_is_congress_allowed_to_server_for_so/ | {
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"score": [
70,
2,
... | [] | [] | [
[],
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"https://en.wikipedia.org/wiki/Term_limits_in_the_United_States#Congress"
],
[],
[],
[],
[],
[],
[],
[],
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[],
[],
[],
[
"http://constitutioncenter.org/constitution/the-amendments/amendment-27-limiting-congressional-pay-increases"
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] | ||
4f8jfg | lotr: how were the race of dwarves undone? in the hobbit movies they seem so strong/wise, then in the fellowship movies they're almost non-existent. so what happened? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4f8jfg/eli5lotr_how_were_the_race_of_dwarves_undone_in/ | {
"a_id": [
"d26rz92"
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"score": [
3
],
"text": [
"Way back in the year Third Age 1980 (LotR takes place in 3018-9, for context), the dwarves of Moria delved too deep and awoke *a* balrog (yes, there are multiple). They tried to fight it off, but balrogs are pretty much literal demons, so it was ... | [] | [] | [
[]
] | ||
aex30k | How do you create Muons? | I searched the internet but I didn't find the answer I was looking for.
What I found: Muons are created when protons collide with nuclei. More specific the collision creates pions which decay in muons (and other stuff).
What I want to know:
What pions are created and in which ratio? I know there are π° , π+ and π- . S... | askscience | https://www.reddit.com/r/askscience/comments/aex30k/how_do_you_create_muons/ | {
"a_id": [
"edto5ml"
],
"score": [
4
],
"text": [
"There are cosmic muons passing through your body right now. But if you wanted to make a beam of muons for an experiment or something, the approach of using nuclear collisions to generate pions would work as well. Depending on the reactions occurr... | [] | [] | [
[]
] | |
7r9vh7 | how do swipe card and their readers work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7r9vh7/eli5_how_do_swipe_card_and_their_readers_work/ | {
"a_id": [
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2
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"text": [
"There is a strip of magnetic tape on the back of the card. There is a magnetically sensitive reader head in the swipe machine. As you slide the card through the machine the tape on the card creates a tiny electrical signal d... | [] | [] | [
[],
[]
] | ||
2vsplk | What was the general view of communism held by the lower and middle class post WWl in Europe? | Were there ever rally's or events held by citizens in favor of communism? If so, why? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2vsplk/what_was_the_general_view_of_communism_held_by/ | {
"a_id": [
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"text": [
"There were more than rallies. In the immediate aftermath of WWI, there was the Spartacist Uprising, the Bavarian Soviet Republic, the Hungarian Soviet Republic, not to mention the formation of Communist Parties, not only all across Europe but in ... | [] | [] | [
[]
] | |
5fc67w | Monday Methods: Oral History Interviews | Welcome to Monday Methods!
Lately, we have seen a couple of threads asking how to best interview people who have witnessed and/or were part of important moments and developments in history such as the grandpa who served in WWII or similar.
Oral history is regarded in academia as its own kind of source and in terms of... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5fc67w/monday_methods_oral_history_interviews/ | {
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"text": [
"As someone that has been on both sides of the recorder, my largest piece of advice is to try and be relaxed. If you're anxious or unsure of what you're doing it is going to come a... | [] | [
"http://oralhistory.library.ucla.edu/interviewGuidelines.html",
"http://www.history.ucsb.edu/faculty/marcuse/projects/oralhistory/199xDRussellUCSBOralHistoryWorkshop.pdf",
"http://www.indiana.edu/~cshm/oral_history_techniques.pdf"
] | [
[
"https://www.nps.gov/parkhistory/oralhistory/interviews.htm"
],
[],
[
"http://www.oralhistory.org/about/do-oral-history/oral-history-and-irb-review/",
"https://www.youtube.com/watch?v=5ohlA__xABw"
],
[]
] | |
rbdxu | Would we notice an alien probe visiting our cosmic neighborhood? | I was reading how an ocean may exist on Enceladus below the surface, which got me thinking about space probes.
The Earth is tiny compared to the Sun and space probes are microscopic on the cosmic scale. It seems radio wave emissions would be the only "easily" detectable product of a probe.
*Would we be able to distin... | askscience | http://www.reddit.com/r/askscience/comments/rbdxu/would_we_notice_an_alien_probe_visiting_our/ | {
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"score": [
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32,
3,
6,
4,
2
],
"text": [
" > Would we be able to distinguish transmissions not aimed at Earth from the background noises of space?\n\nNo. Imagine a laser point... | [] | [] | [
[
"http://www.sciencedaily.com/releases/2009/12/091218131604.htm"
],
[
"http://en.wikipedia.org/wiki/Very_Large_Array",
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"http://en.wikipedia.org/wiki/25143_Itokawa"
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"http://arxiv.org/pdf/11... | |
1maoxn | Historically, was alcohol safer to drink than water? | I've heard that beer and alcohol was safer to drink because it was processed more and the alcohol would kill harmful things. Like pirates used to drink grog and how beer in America was safer than the water because it was filtered more. Any truth to it? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1maoxn/historically_was_alcohol_safer_to_drink_than_water/ | {
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"there have been lots of previous posts about water vs. alcoholic beverages (run searches for variations of \"water safe\" or \"water beer\"), but these two seem pretty close to your question...\n\n[When did beer/ale start being phased out as a m... | [] | [] | [
[
"http://www.reddit.com/r/AskHistorians/comments/1ec5ac/after_islam_banned_alcohol_what_did_muslims_do_to/",
"http://www.reddit.com/r/AskHistorians/comments/1fresk/when_did_beerale_start_being_phased_out_as_a/"
]
] | |
12ex9p | Quantum Entanglement Evidence And FTL Communication | I understand(possibly..) that the general theories say that FTL communication isn't possible using quantum entanglement due to the inability of the entangled particles to pass information, but... What I don't get, due to that restriction, is how we are certain that quantum entanglement even occurs.
If we know that ... | askscience | http://www.reddit.com/r/askscience/comments/12ex9p/quantum_entanglement_evidence_and_ftl/ | {
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"Correlation doesn't imply communication. I don't follow your thinking here. If I randomly choose between two objects (say a cube and a sphere) and send one to you and one to your friend, then you know u... | [] | [] | [
[],
[],
[]
] | |
modf6 | Why can my dog easily differentiate between the barking of a dog on T.V. and a legitimate dog? | Whenever any dog in a commercial or T.V. show barks or makes any dog-ish type of noise, my dog doesn't even look up to consider the fact it could be a dog, however if a real dog barks outside he gets up and starts barking at it like crazy. How can he tell the difference so easily?
If it matters for the answer we have a... | askscience | http://www.reddit.com/r/askscience/comments/modf6/why_can_my_dog_easily_differentiate_between_the/ | {
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... | [] | [] | [
[],
[],
[],
[],
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"http://www.lycos.com/info/frank-welker.html"
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"http://en.wikipedia.org/wiki/Hearing_range",
"http://drsophiayin.com/docs/YinMcCowan04.pdf"
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[],
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"http://molcsa.web.elte.hu/irattar/Pongraczetal2011.pdf"
],
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"http://en.wikipedia.org/wiki/Nyquist%E2%... | |
t2xxv | git | I came from SVN and can't really grasp the idea of git. Please explain like I'm 5. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/t2xxv/eli5_git/ | {
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"Subversion is based on a client/server model, whereas git is based on an entirely distributed model. Okay, so what does that mean, exactly?\n\nWith Subversion, you have one central computer that hosts the One True (tm) repository. Alice, Bob and ... | [] | [] | [
[]
] | |
xgb2l | wifi encryption and security. wep/wpa/wpa2/etc. | How exactly do they work? What do they do? What's the difference? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/xgb2l/eli5_wifi_encryption_and_security_wepwpawpa2etc/ | {
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"Your WiFi is just a radio, transmitting and receiving signals. *Anyone* nearby can listen in, and potentially steal passwords, credit card numbers, and other personal information.\n\nSo we encrypt the signals. Encryption is basically mathematic... | [] | [] | [
[]
] | |
17jtsl | - sinkholes | So, periodically, these perfectly round openings appear beneath roads, or under houses, or out in the middle of nowhere. Invariably, we're talking about something that appears bottomless, and maintains its shape along its path of descent with the regularity of something straight outta Minecraft. What gives? How do thes... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/17jtsl/eli5_sinkholes/ | {
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"c866go5"
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"text": [
"Sinkholes form in a few ways and almost always involve moving water. Recently sinkholes have been forming because large underground 'caverns' that are full of ground water are being depleted and the large empty cavity left over when the water is ... | [] | [] | [
[]
] | |
3xdyrn | why do yellow tinted glasses seem to improve vision? | For example: if wearing sports goggles with yellow lenses, it feels like your vision is slightly improved or enhanced versus not wearing them. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3xdyrn/eli5_why_do_yellow_tinted_glasses_seem_to_improve/ | {
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"text": [
"Bright colored eyewear increases contrast, so it seems like you can see better. This is why you see competitive shooters wearing eyepro that is bright like yellow.",
"Also, your eyes focus longer wavelengths better than ... | [] | [] | [
[],
[]
] | |
4hvhtj | do people with autism realize they have autism? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4hvhtj/elif_do_people_with_autism_realize_they_have/ | {
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"It depends on the severity of the case. Most people with autism though do realize that they aren't like everyone else. ",
"Autism ... | [] | [] | [
[],
[],
[
"http://carlysvoice.com/home/aboutcarly/"
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[],
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bdip0v | why do suvs get rain on the rear window at highway speeds? | Just wondering why SUVs, hatchbacks, etc. get serious rain accumulation on the rear window while driving at highway speeds. You’d think the aerodynamics of moving quickly would put all rain on the windshield, especially since most vehicles with rear wipers have the roof extending partially over the window, via a lip, s... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bdip0v/eli5_why_do_suvs_get_rain_on_the_rear_window_at/ | {
"a_id": [
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"text": [
"The steep drop off at the rear of the vehicle can create an area of low pressure which actually pulls air (and rain) back toward the vehicle [like this.](_URL_0_)"
]
} | [] | [] | [
[
"https://designbuild2015.files.wordpress.com/2015/03/suv-wind-tunnel.png"
]
] | |
2mkec4 | Why are we better at playing the frets on a guitar with our non-dominant hand? | askscience | http://www.reddit.com/r/askscience/comments/2mkec4/why_are_we_better_at_playing_the_frets_on_a/ | {
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"I will state upfront that I do not have researched material to site, but as a left handed person I use my dominant hand for playing the frets, and my right ha... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
argzyr | why can chinese nationals buy american businesses / real estate, but not vice versa? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/argzyr/eli5_why_can_chinese_nationals_buy_american/ | {
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"text": [
"North America is a relatively open market, and these investors pay cash, which is attractive to sellers. In China the market is mostly closed to those outside the government",
"America is a nation o... | [] | [] | [
[],
[],
[]
] | ||
p565b | How typical is our personal 'microbiota'? | Is there a significant difference between two healthy people's microbes on the same continent? | askscience | http://www.reddit.com/r/askscience/comments/p565b/how_typical_is_our_personal_microbiota/ | {
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"text": [
"That depends on how you define significant. Speaking very broadly the similarity is reasonably high between two people from the same area but there are also distinct differences between each person. Even people who have undergone fecal transpla... | [] | [] | [
[]
] | |
3os23j | with $18 trillion in national debt, how do democratic presidential candidates want to make college free, more welfare, more healthcare, etc? where does the money come from? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3os23j/eli5_with_18_trillion_in_national_debt_how_do/ | {
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"Changing tax structure. For instance college savings funds are tax free, the proposal to m... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
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"http://www.amazon.com/Million-Random-Digits-Normal-Deviates/dp/0833030477",
"https://en.wikipedia.org/wiki/History_of_the_United_States_public_debt"
]
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1ol2ga | Why is Mar's scale ( i.e Olympus Mons and Valles Marineris) so big compared to earth? | why exactly does it have such huge canyons and such a huge volcano in comparison to that of Earth and even other planets in the solar system? | askscience | http://www.reddit.com/r/askscience/comments/1ol2ga/why_is_mars_scale_ie_olympus_mons_and_valles/ | {
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"Actually, Earth has quite a big volcano as well. It's just that it's underwater and we didn't realize it was this big until recently.\n... | [] | [] | [
[
"http://www.popsci.com/science/article/2013-09/earths-largest-volcano-found"
],
[],
[],
[],
[],
[]
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1kuk3u | Is it possible for a living organism to evolve in a different wavelength from visible light? | askscience | http://www.reddit.com/r/askscience/comments/1kuk3u/is_it_possible_for_a_living_organism_to_evolve_in/ | {
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"text": [
"It would have to be *perfectly* transparent to visible light. That's so implausible we can dismiss it out of hand. The glass in your windows is very, very transparent, but you don't have any trouble seeing it.",
"\n\nThi... | [] | [] | [
[],
[
"http://www.reddit.com/r/askscience/wiki/guidelines#wiki_make_sure_hypothetical_questions_are_answerable_without_speculation"
]
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3553sh | How far back can we trace civilizations' ideas on futurology? What did they tthink the world would be like in thousands of years? | In the vein of how we would watch Star Trek and think about the future of mankind as living on space ships, interacting with different planets. What did civilizations throughout time record on the subject? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3553sh/how_far_back_can_we_trace_civilizations_ideas_on/ | {
"a_id": [
"cr17n9u"
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"text": [
"Hey, about a month ago a question was asked that was relevant, I believe:\n\n[When did people first start to understand that the people of the future would have important technologies that they didn't have?](_URL_1_)\n\nIt has about 60 responses.... | [] | [] | [
[
"http://www.reddit.com/r/AskHistorians/wiki/dailylife#wiki_what_was_science_fiction_like_in_the_past.3F_how_did_ancient_people_imagine_the_future.3F",
"http://www.reddit.com/r/AskHistorians/comments/32hp3y/when_did_people_first_start_to_understand_that/"
]
] | |
6mhjbi | is the edge of a circle with an infinite radius curved or straight? | I recently came across [this](_URL_0_) page, and while i think that i understand it a little, i don't see why it would be straight. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6mhjbi/eli5_is_the_edge_of_a_circle_with_an_infinite/ | {
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"text": [
"There are arguments for both. So the best answer is that it is both. Infinity is not a number but a limit. So a lot of math does not work the way you might t... | [] | [
"http://www.askamathematician.com/2011/04/q-is-the-edge-of-a-circle-with-an-infinite-radius-curved-or-straight/"
] | [
[],
[],
[],
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8e67hz | When the Judeans fought the Seleucids, did they use the Macedonian Phalanx? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/8e67hz/when_the_judeans_fought_the_seleucids_did_they/ | {
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"text": [
"Follow up question: Do we know of any older civilizations like the Judeans/Assyrians/Lydians/Hittites/etc that have adopted another civilization’s military tactics? Any examples akin to the Judeans adopting the Macedonian Ph... | [] | [] | [
[],
[]
] | ||
29tmqr | In the article linked in the summary, they talk about inflation happening a fraction of a second after the big bang. They said if the theory is correct, it would have been faster than the speed of light. How is that possible? | It is from [this article](_URL_0_). My knowledge of this is limited, but I understand that nothing can travel faster than light. Could someone explain what they meant by this statement? | askscience | http://www.reddit.com/r/askscience/comments/29tmqr/in_the_article_linked_in_the_summary_they_talk/ | {
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"text": [
" > My knowledge of this is limited, but I understand that nothing can travel faster tha... | [] | [
"http://news.discovery.com/space/cosmology/big-bang-scientists-to-team-up-with-planck-space-telescope-140703.htm"
] | [
[],
[
"http://arxiv.org/abs/astro-ph/0310808"
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[],
[
"http://en.wikipedia.org/wiki/Alcubierre_drive",
"http://en.wikipedia.org/wiki/Redshift"
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[],
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z4enq | Why do sideways water bottles become supercooled? | I put unopened water bottles in the freezer a lot and sometimes forget about them. I've noticed that the ones that are upright freeze normally while the ones laying on their side become supercooled. Does anyone know why? | askscience | http://www.reddit.com/r/askscience/comments/z4enq/why_do_sideways_water_bottles_become_supercooled/ | {
"a_id": [
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"text": [
"Have you measured the temperature of this supercooled water?",
"Water freezes from top to bottom because water has the highest density around 4°C (around sea level pressure).\n\nA freezer is colder on its top than on its... | [] | [] | [
[],
[]
] | |
sy4t7 | Can I noticeably cancel noise from one speaker by playing the 'anti-noise' from another? | Hello.
I wish to demonstrate destructive interference as part of a presentation on waves. My arrangement is to produce a constant tone from one set of speakers and the inverse of that tone from another, having the sound cancel out or decrease in volume.
Early experiments with this setup have had little success. I use... | askscience | http://www.reddit.com/r/askscience/comments/sy4t7/can_i_noticeably_cancel_noise_from_one_speaker_by/ | {
"a_id": [
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],
"text": [
"The placement of speakers and also the hearer is going to be a large factor. You'll create destructive interference, but only in certain places.",
"There will only be destructive interference at certain points around the... | [] | [
"http://www.reddit.com/r/AskReddit/comments/ji3c1/is_there_a_program_to_have_my_computer_speakers/"
] | [
[],
[]
] | |
6hicpp | why do extremely hot temperatures feel good sometimes? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6hicpp/eli5_why_do_extremely_hot_temperatures_feel_good/ | {
"a_id": [
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"text": [
"Because you were stuck at work where you have been sitting down all day, everything is artificial and the a/c was on too strong as usual. When you get outside your body finally feels a sense of \"living\" and you feel good. "
]
} | [] | [] | [
[]
] | ||
3dd7xk | how can certain games advertised on facebook (eg "league of angels") used copyrighted materials from games like league of legends and world of warcraft, without getting sued? | Example:
_URL_0_
| explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3dd7xk/eli5_how_can_certain_games_advertised_on_facebook/ | {
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"text": [
"It's not like you automatically get sued just because you use other people's material. Its really up to the owner of the content if th... | [] | [
"http://forums.na.leagueoflegends.com/board/attachment.php?attachmentid=973547"
] | [
[],
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[],
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9jkbgv | how does the food we eat turns to breast milk? is it digested or just the nutrients or the blood gets converted (how?) what is the process? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9jkbgv/eli5_how_does_the_food_we_eat_turns_to_breast/ | {
"a_id": [
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"text": [
"Lactogenesis, or the process of changes to the mammary glands to begin producing milk, begins during the late stages of pregnancy. The delivery of the placenta and the resulting dramatic reduction in progesterone, estrogen, and human placental la... | [] | [] | [
[
"https://courses.lumenlearning.com/boundless-ap/chapter/lactation/"
]
] | ||
40y4bz | how would i secure billions of dollars if the fdic only insures $250k? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/40y4bz/eli5_how_would_i_secure_billions_of_dollars_if/ | {
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"text": [
"In some cases you might buy other things (houses, cars, etc.) that are worth money that you could separately insure. You might also invest in businesses or other things that are insured. You can also sp... | [] | [] | [
[],
[],
[
"https://www.reddit.com/r/explainlikeimfive/comments/16o9ce/where_do_billionaires_keep_their_money/c7xxcca"
]
] | ||
372qr8 | How long does tap water need to be boiled for or kept at boil in order to sterilise it? | Looking around online and I can't find any sources or scientific information on how long water needs to be boiled for in order to sterilise it. I'm seeing between 1 and 10 minutes? | askscience | http://www.reddit.com/r/askscience/comments/372qr8/how_long_does_tap_water_need_to_be_boiled_for_or/ | {
"a_id": [
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"text": [
"Depends on what the water contains. To kill most of living bacteria you do not even need to boil it. If it contains spores, it's the best autoclave it (~121 degrees C) for 10 min, but it reqiures equipm... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Tyndallization"
],
[],
[
"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3323245/"
]
] | |
azyp9t | why is chocolate that you melt and then let solidify again less shiny than the original bar? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/azyp9t/eli5_why_is_chocolate_that_you_melt_and_then_let/ | {
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"text": [
"There's something called \"tempering\" it means you need to get the chocolate to a certain degree in order to be shiny and not melt so easy",
"There's a specific heating/coo... | [] | [] | [
[],
[
"https://www.ghirardelli.com/tempering-chocolate"
],
[
"https://www.scienceofcooking.com/chocolate/why-is-chocolate-tempered.htm"
],
[
"https://youtu.be/3-EKcYqKEec"
]
] | ||
8i53yj | how can the effects of acid rain can be reduced? not to be confused with how we are preventing acid rain? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8i53yj/eli5_how_can_the_effects_of_acid_rain_can_be/ | {
"a_id": [
"dyoxgej"
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"score": [
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"text": [
"Are you wanting to limit the damage caused by acid rain, rather than an explanation of how to reduce the formation of acid rain? If so, neutralisation would be about the only method. Adding an alkali to the things being damaged. Farmers already a... | [] | [] | [
[]
] | ||
2dg59y | why did greece allow much of their olympic facilities to fall into disrepair? | I saw [these pictures](_URL_0_) and I am confused as to how Greece let the facilities get this way instead of using them | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2dg59y/eli5_why_did_greece_allow_much_of_their_olympic/ | {
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"cjp5ciu",
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"text": [
"They are broke, the entire country ran out of money and had to get massive bailouts from the EU just to stay solvent",
"A few reasons the number 1 would be money. Greece has had a rough time recent... | [] | [
"http://darkroom.baltimoresun.com/2014/08/athens-olympic-venues-in-ruins-ten-years-after-the-games/?fb_action_ids=697242013656526&fb_action_types=og.likes#49"
] | [
[],
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] | |
7dc5jz | There's lots of evidence in pop culture of lances being used for sport (jousting), but is there evidence of practical usage of lances in combat? | We frequently see Jousting portrayed in movies, TV shows, and books but I don't recall a single instance of seeing a lance used in actual combat/warfare. Was it just not very widespread? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7dc5jz/theres_lots_of_evidence_in_pop_culture_of_lances/ | {
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"text": [
"Lances were incredibly widespread throughout medieval combat, so I’m not sure exactly where you are getting the assumption that they weren’t. The word lance refers to both the long weapon associated with cavalry, as well as ... | [] | [] | [
[],
[]
] | |
8k4qsa | how do movie channels make profit without any adverts? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8k4qsa/eli5_how_do_movie_channels_make_profit_without/ | {
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"text": [
"What movie channels are you talking about specifically?",
"Assuming you mean HBO and Showtime and Starz and the like, it's because you pay a subscription for those channels. S... | [] | [] | [
[],
[],
[],
[]
] | ||
ienuf | If you were to throw a paper airplane in a vacuum would it fly or fall? | Would if fall straight down because of gravity? Or in space would it just float there where there is no gravity? | askscience | http://www.reddit.com/r/askscience/comments/ienuf/if_you_were_to_throw_a_paper_airplane_in_a_vacuum/ | {
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"It would trace part of a parabola",
"[Apollo 15 Hammer and Feather Drop](_URL_0_)\n\n",
"if you throw it in a vaccum on earth rather than say in orbit, it will follow a par... | [] | [] | [
[],
[
"http://www.youtube.com/watch?v=-4_rceVPVSY&feature=player_detailpage#t=14s"
],
[],
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2h5bv7 | why is the minimum legal age to use just about every internet feature 13? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2h5bv7/eli5_why_is_the_minimum_legal_age_to_use_just/ | {
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"text": [
"The [Children's Online Privacy Protection Act](_URL_0_) (COPPA) of 1998 is US Federal law that prohibits the collection of personal information for children under the age of 13.\n\nSince most major internet services do business in the US, they n... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Children's_Online_Privacy_Protection_Act"
]
] | ||
151in2 | Why do many rulers have 'common' names with just a number to distinguish them? (e.g: Henry 1 to 8, Louis 1 to 18). When/where and why did this start and does it happen outside Europe? | Did they at any point in the past have unique names before this tradition began?
I'm trying to understand what began the trend or tradition of rulers taking on (or being given) common names. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/151in2/why_do_many_rulers_have_common_names_with_just_a/ | {
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"They often have common names to legitimize their right to rule. If Louis I was a good king, then all successive Louis have that memory they can invoke that ... | [] | [] | [
[],
[],
[],
[],
[
"http://en.wikipedia.org/wiki/Papal_name#Symbolism",
"http://www.catholic-pages.com/pope/name.asp",
"http://www.crossroadsinitiative.com/library_article/576/Benedict_XVI_What_s_in_a_Name_.html"
]
] | |
6qsv0c | what do the 4 letters associated with a radio station mean(kptz, kexp etc...)? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6qsv0c/eli5_what_do_the_4_letters_associated_with_a/ | {
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"text": [
"Those are call letters, used to give each station a unique name with the FCC since the same frequency can be used by many stations around the country. Stations that start with K are west of the Mississippi River and stations that start with W a... | [] | [] | [
[]
] | ||
6thg9v | Neo-Nazis are often heavily tattooed. But what did Hitler and the Nazis think of tattoos? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6thg9v/neonazis_are_often_heavily_tattooed_but_what_did/ | {
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"text": [
"Not a direct answer, but here's a link to a similar question asked in the past:\n_URL_0_\nsee response from [RebelRaider5](_URL_1_)",
"Ok, so let me say, the history of the tattoo, while explored in various contexts ... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/552xgt/did_nazi_soldiers_have_tattoos_if_so_what_kind/",
"https://www.reddit.com/user/RebelRaider5"
],
[]
] | ||
d827z1 | how can you find out if someone died in their sleep? | I often hear headlines like: '_ died peacefully in their sleep', but how do the people who examined the body know it was sleeping while the person died? I hang out in my bed all the time while I'm awake so it can't be just the fact that they are found dead in their beds.. And I imagine if you die that the bodily sensat... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/d827z1/eli5_how_can_you_find_out_if_someone_died_in/ | {
"a_id": [
"f16nzpo",
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"score": [
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],
"text": [
"Answer: The family of someone who recently passed doesn’t want to hear than grandma died screaming in pain and gasping for breath, so they just tell you she died in her sleep.",
"One indicator I've heard (my father work... | [] | [] | [
[],
[]
] | |
3nci5s | how could the governments of usa / uk have given such large payouts to the banks when they failed and then the money go to large bonuses to the people who were responsible for the failures? | Maybe this should be a out of date / out of the loop thing - do forgive - I'm trying to educate myself about the world and...I cannot understand how this can be a thing? And, is this what that whole Occupy thing was against? And, if so, why didn't the occupy thing work and ...further, why hasn't some vigilante just p... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3nci5s/eli5_how_could_the_governments_of_usa_uk_have/ | {
"a_id": [
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"text": [
"Without banking the UK would be nothing. We have nothing left, London is a gigantic fraudulent bubble fueled by corrupt, laundered money and banks and without it we're nothing - that's why nobody will touch the bankers or th... | [] | [] | [
[],
[
"https://projects.propublica.org/bailout/"
]
] | |
j4p5u | [li5] proxy servers? | Can anyone explain to me how proxies and proxy servers work? How can you use them to access sites that are otherwise banned? I understand that you basically go through them to get to the site, but what makes it so that the network you are on still can't detect it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/j4p5u/li5_proxy_servers/ | {
"a_id": [
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"score": [
3,
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],
"text": [
"Essentially it's like having a middle man in your deal. I'll relate it to buying a house. You pay or get someone to find houses for you to talk to the owners. You then negotiate through the real estate agent who talks to the... | [] | [] | [
[],
[]
] | |
1rjw75 | what is wrong with eating horse? | Before I'm crucified for being an animal hater, What is wrong with eating horse meat. Why is it suddenly taboo in recent times? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1rjw75/eli5what_is_wrong_with_eating_horse/ | {
"a_id": [
"cdnzdkm",
"cdnzev6",
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"text": [
"nothing. ppl just have their heads stuck up their asses.",
"There are a number of count... | [] | [] | [
[],
[],
[],
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2vvkpr | if wolfs were tamed by men and became dogs through artificial selection , which was the progenitor of cats? | Also how and why they tamed the progenitor of cats nowadays?
We all know why men would need a dog in that time and how he and the dog would benefit from this relationship, but the cat???
I'd like say that I like more cats than dogs, but just curious to know some facts. thanks | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2vvkpr/eli5_if_wolfs_were_tamed_by_men_and_became_dogs/ | {
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"text": [
"Cats actually domesticated themselves. Their ancestors found that hanging around humans was advantageous because of all the little rodents running around our food supplies.",
"There are small house cat like cats in the ... | [] | [] | [
[],
[]
] | |
1hg43k | What is a good resource for Medieval/Renaissance music? | Preferring songs with lyrics.
For example, I'd really love an accurate copy of Greensleeves as sung by a man. The only example of the song I seem to be able to find has been sung by women. (I think Enya is the one I see most often.)
That's just one example, though. I'm open to many things! | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1hg43k/what_is_a_good_resource_for_medievalrenaissance/ | {
"a_id": [
"catzigv",
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"text": [
"The standard academic resources are the W.W. Norton anthologies ([Medieval](_URL_1_) and [Renaissance](_URL_0_); they both come with CDs, IIRC). They'll include choral, solo vocal, and instrumental music, both sacred and sec... | [] | [] | [
[
"http://www.amazon.com/Anthology-Renaissance-Music-1400-1600-Introduction/dp/0393971708",
"http://www.amazon.com/Anthology-Medieval-Norton-Introduction-History/dp/0393090809",
"http://www.amazon.com/Historical-Anthology-Music-Volume-Renaissance/dp/0674393007"
],
[
"http://www.arkivmusic.com/cl... | |
6s2wwj | what is the difference between programs and algorithms? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6s2wwj/eli5_what_is_the_difference_between_programs_and/ | {
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"text": [
"An algorithm is a procedure to accomplish a single task when written out step by step so that it can be followed exactly the same wa... | [] | [] | [
[],
[],
[],
[],
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] | ||
4pdx4c | our natural body temperature is 38°c but we feel hot and start sweating in the 20-30°c range. why? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4pdx4c/eli5_our_natural_body_temperature_is_38c_but_we/ | {
"a_id": [
"d4k5gqy",
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"score": [
3,
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],
"text": [
"the body produces heat through normal cellular processes. It must be able to transfer that heat to its sourroundings or it will overheat itself.",
"We heat ourselves up (through \"burning\" food) so as to keep our bodie... | [] | [] | [
[],
[]
] | ||
799yrs | Female Conquistadors? | So, I was playing a video game, Expeditions: Conquistador when I came across something I found... Odd for a game supposedly set during the early colonization period (like about the time of Hernán Cortés).
Women, not just a few either, character generation let me use a woman, recruiting parties seemed to have a fairly ... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/799yrs/female_conquistadors/ | {
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"text": [
"*1/2*\n\nA female conquistador would be an anachronism, as the role was very much bound up in ideas of Medieval European knighthood and specifically the role of the *hidalgo*. More on that in a bit, but let's start by asking a very real and impo... | [] | [] | [
[
"http://www.oupress.com/ECommerce/Book/Detail/628/Law%20and%20the%20Transformation%20of%20Aztec%20Culture%20%201500%201700",
"https://books.google.com/books/about/Mexico_and_the_Spanish_Conquest.html?id=u2fcDIn41cIC",
"http://www.jstor.org/stable/2514194",
"http://www.sup.org/books/title/?id=1840"... | |
1w631r | Could the American Civil War be considered a proxy war like the ones we see today. With different countries backing the Union vs. Confederacy? | Im curious as to which countries chose to back the Union and which countries chose to back the Confederacy. Were there vested interests in those countries based on choosing to back whatever side they wanted to? Sort of like how the Western World backs the Syrian Rebels and Russia/Iran back the Syrian Government.
How ... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1w631r/could_the_american_civil_war_be_considered_a/ | {
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"text": [
"Many countries were heavily invested in the Southern cotton industry. England was by far the biggest super power on the fence because their textile industry relied on southern cotton. (There were other ... | [] | [] | [
[
"https://archive.org/details/englandunitedsta00insarg",
"http://www.nps.gov/resources/story.htm?id=251"
],
[
"http://web.archive.org/web/20070927044755/http://www.gutenberg.org/files/13789/13789.txt"
],
[
"http://www.bbc.co.uk/news/world-21057494",
"www.loyno.edu/history/journal/1983-4... | |
wdktp | Is our peripheral vision any more sensitive to movement than our 'standard' vision? | Today's [XKCD](_URL_0_) reminded me of a question that's been on my mind for a while.
I've noticed that I'm much more aware of the flickering of neon lights, LED screens, train departure information displays etc. when I see them out of the corner of my eye. Is it the case that our peripheral vision has a higher 'refr... | askscience | http://www.reddit.com/r/askscience/comments/wdktp/is_our_peripheral_vision_any_more_sensitive_to/ | {
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"text": [
"The rod cells are better at [registering flicker](_URL_0_) and predominate at the edges of the visual field.",
"The article in wikipedia confused me.\nIt says that rod cells ... | [] | [
"http://xkcd.com/1080/"
] | [
[
"https://en.wikipedia.org/wiki/Flicker_fusion_threshold"
],
[],
[],
[
"http://i.imgur.com/UXtth.jpg",
"http://www.ncbi.nlm.nih.gov/pubmed/11202465",
"http://www.ncbi.nlm.nih.gov/pubmed/10643730",
"http://journals.cambridge.org/abstract_S0952523800010695",
"http://www.ncbi.nlm.nih.g... | |
6p41rn | how does express/overnight/2 day shipping work in extremely rural areas? | I'm not talking about the people who live in a small town just outside a big city, or a "small town" that isn't one at all, and is only small in relation to a major metropolis.
I'm talking extremely rural, "monthly daytrip to the grocery store" small town or country living in states like Wyoming and Montana, where yo... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6p41rn/eli5_how_does_expressovernight2_day_shipping_work/ | {
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"score": [
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"text": [
"Companies like Amazon have many filling centers all across the country and world, so the product you selected will usually be retrieved from a warehouse closest to the shipping destination. If you order... | [] | [] | [
[],
[],
[]
] | |
5cqt8j | Did the story of Gilgamesh continue to be well-known past 1000 BCE, before its re-discovery by Hormuzd Rassam in 1853? | I've read that the Epic of Gilgamesh has potentially inspired bits of the Bible as well as Homer, but I'm wondering if the name Gilgamesh, or his story or any of the characters, were well-known? Did his popularity survive long past the most recent tablets known, from 1200 BCE, or was the story and the characters lost t... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5cqt8j/did_the_story_of_gilgamesh_continue_to_be/ | {
"a_id": [
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"text": [
"The bulk of the tablets that make up the most complete edition we have actually come from Ashurbanipal's library at Nineveh, which was destroyed in 612 BCE. Rassam's tablets come from Babylon and have been dated to the Neo-Babylonian Empire (6th... | [] | [] | [
[]
] | |
1v8yz6 | what would happen if socci cannot host the olympics? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1v8yz6/eli5_what_would_happen_if_socci_cannot_host_the/ | {
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"text": [
"*This* close to the scheduled events, I would imagine that the IOC would be forced to cancel this year and perhaps reschedule at another site for next year as no alternative site would be able to throw such an event with on... | [] | [] | [
[],
[]
] | ||
59n9xx | samsung's wireless phone charger | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/59n9xx/eli5_samsungs_wireless_phone_charger/ | {
"a_id": [
"d99sizw"
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"score": [
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"text": [
"In short: There is a coil in your charger and a coil in your phone. The coil in the charger emmits a magnetic field for which he uses electricity. The Coil in your phone does exactly the opposite, it generates electricity from the magnetic field.... | [] | [] | [
[]
] | ||
2swxec | what is happening when i randomly want to eat everything? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2swxec/eli5_what_is_happening_when_i_randomly_want_to/ | {
"a_id": [
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"text": [
"Lower blood sugar levels (even for a non-diabetic person) can lead to the desire to binge eat, especially when one is tired (less rational). There can also be a psychological feeling of desperation to fill yourself because you will be going to ... | [] | [] | [
[]
] | ||
1mb57z | if wars are so good for industry in the us, why does the stock market tank when we're about to start one? | I've seen this happen with Libya, Syria, and any time the US gets involved in the middle east. Rumors of intervention cause the stock market to drop, and pulling back causes the stock market to rise. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1mb57z/eli5_if_wars_are_so_good_for_industry_in_the_us/ | {
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"text": [
"War is only good for the economy in that way when it causes the government to spend massively and pump money into the economy. Putting the entire country and... | [] | [] | [
[],
[],
[],
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] | |
164gm8 | Rocks on a frozen river | Yesterday, in celebration of the 5°C weather, I walked to my favorite bench on the Charles Riverbank and watched the ice melt. I noticed that there were rocks strewn about the river; they were likely thrown by individuals who wanted to test how frozen the river was.
I noticed that the ice was thinner in the area sur... | askscience | http://www.reddit.com/r/askscience/comments/164gm8/rocks_on_a_frozen_river/ | {
"a_id": [
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"score": [
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"text": [
"You're on the right track, but I suspect the answer is something slightly different. First, though:\n\n/u/D_I_S_D said it was pressure. This might be true for ice skating and stepping on snow, but the pressure distributio... | [] | [] | [
[],
[]
] | |
3zq5kr | Did the British ever have plans to consolidate the thirteen colonies into a single entity similar to what they did in Canada or Australia? If so, what was their plan for the capital of this place? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3zq5kr/did_the_british_ever_have_plans_to_consolidate/ | {
"a_id": [
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"text": [
"I can't reply in depth for Canada but Australia didn't federate until 1901 - well over a century after American independence. At the time of US independence Australia was not settled (and in fact one of the reasons for its early growth was the lo... | [] | [] | [
[]
] | ||
2nx4p3 | If an animal has oral cancer, and they bite or lick a person, is it possible for them to become infected? | askscience | http://www.reddit.com/r/askscience/comments/2nx4p3/if_an_animal_has_oral_cancer_and_they_bite_or/ | {
"a_id": [
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"text": [
"No. The only cases of infectious oral cancer are in Tasmanian devils, and there it only happens because the population is so inbred that the cancer \"looks like\" a part of the host's body. \n\nSince humans aren't nearly genetically identical w... | [] | [] | [
[]
] | ||
1xeabj | why are there no (or at least very few) woman pedophiles? (and rapists) | Never have I once heard on the news about a pedophilia, rape or child porn case where the suspect was a woman.
What makes men more likely to be a pedophile? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1xeabj/eli5_why_are_there_no_or_at_least_very_few_woman/ | {
"a_id": [
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"First, there are female rapists and pedophiles. The ratio is very much skewed towards men (by one estimate, 10 to 1 for pedophilia) but it happens. As a rule of thumb, mass media are a bad way to figure out how often somethi... | [] | [] | [
[],
[]
] | |
d5xba7 | a question about neurology: why is it said that amphetamines effect people differently based on whether or not they have adhd? | I’ve heard that even though it’s a stimulant for the average person, it makes people with ADHD more mellow and focused. I’m wondering if I’ve understood that correctly, and if so, why? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/d5xba7/eli5_a_question_about_neurology_why_is_it_said/ | {
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"score": [
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"text": [
"I have ADHD and I've always been told it fills the impulse link in my brain so that I can think before I say o... | [] | [] | [
[],
[],
[],
[
"https://rdcu.be/bRnBl",
"https://doi-org.ucd.idm.oclc.org/10.1007/s00213-008-1439-6"
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[
"https://www.reddit.com/r/JoeRogan/comments/czpsv0/my_personal_experience_with_adhd_and_stimulants"
],
[],
[]
] | |
k4uk4 | the xenosaga series | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/k4uk4/eli5_the_xenosaga_series/ | {
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"text": [
"Ha! I feel for you. I have detailed knowledge on Xenogears (the final installment that was released 1st) but I lack the the ability to condense that down to 5yr old level. Anythi... | [] | [] | [
[],
[],
[],
[]
] | ||
8yu2w8 | why does japan have so many cool flavours in their snacks? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8yu2w8/eli5_why_does_japan_have_so_many_cool_flavours_in/ | {
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13,
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9,
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2,
2,
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... | [] | [] | [
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[]
] | ||
1xzzrt | why is it that most animals can eat carrion, but we humans will become horribly ill if we do? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1xzzrt/eli5_why_is_it_that_most_animals_can_eat_carrion/ | {
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"cfg483m",
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"text": [
"Most animals, especially scavengers have special bacteria and enzymes in their digestive tract that can safely break down and digest rotting meat and plant matter without the animal becoming ill. ",
"As long as it hasn't... | [] | [] | [
[],
[]
] | ||
7a8s6q | Did the Vikings/Norse actually artistically use the swastika, or is that a modern invention? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7a8s6q/did_the_vikingsnorse_actually_artistically_use/ | {
"a_id": [
"dp9ft9f"
],
"score": [
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"text": [
"The Norse, like a slew of other cultures across the globe, *did* in fact use swastikas in their art. It appears on quite a few objects, but I'd like to stress that the following list is non-exhaustive:\n\n- A [swastika](_URL_2_) is carved on the ... | [] | [] | [
[
"http://runer.ku.dk/userfiles/image/ImgCache/390/rune06b_288.jpg",
"https://en.wikipedia.org/wiki/File:Nydam.8.jpg",
"https://upload.wikimedia.org/wikipedia/commons/f/fd/Snoldelevsunwheel.jpg",
"https://en.wikipedia.org/wiki/Snoldelev_Stone",
"https://upload.wikimedia.org/wikipedia/commons/0/0... | ||
4eli2b | History Books by Journalists vs. by Historians | I was recently given a copy of Walter Isaacson's *Benjamin Franklin: An American Life* for my birthday. I am currently a grad student and budding historian, so I'm already a little skeptical about a history book written by Isaacson, a journalist by name and trade. He's certainly accomplished in that field and his bio o... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4eli2b/history_books_by_journalists_vs_by_historians/ | {
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4,
29,
10,
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"text": [
"Reader's opinion. Personally, I'm wary of scholars' books with blurbs from other scholars that use the words \"definitive\" or \"autho... | [] | [] | [
[],
[],
[],
[
"http://historynewsnetwork.org/article/12073",
"http://www.wnyc.org/story/132799-the-longest-day/"
],
[],
[]
] | |
8vgw58 | how the hell do our eyes move? like they sort of just look in different places seemingly on their own | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8vgw58/eli5_how_the_hell_do_our_eyes_move_like_they_sort/ | {
"a_id": [
"e1na9xr",
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"e1ncnr9",
"e1nkjk6",
"e1nmqrb",
"e1nncd6",
"e1nrflf",
"e1nrx2r",
"e1nt79y",
"e1nxycg",
"e1o3m0i",
"e1o3yl1",
"e1o6r7r"
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"score": [
125,
1304,
170,
24,
20,
9,
5,
21,
4,
2,
2,
2,
... | [] | [] | [
[
"https://goo.gl/images/CcyLwv",
"https://goo.gl/images/k2QAjV"
],
[],
[],
[],
[],
[],
[
"https://youtu.be/7jfIsPHMqqE"
],
[
"https://en.wikipedia.org/wiki/Chronostasis"
],
[],
[],
[],
[],
[
"https://en.wikipedia.org/wiki/Superior_colliculus"
]
] | ||
ct0fcm | new tvs boast the ability to display more colors. what colors can't a tv display? | New TV's are HDR, or high-dynamic range and they boast the ability to show 10 or 12 bit color. Once there are enough "bits", does that mean that they will be able to show every color? How many bits is enough? Or are there colors that TVs and computer monitors will never be able to show? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ct0fcm/eli5_new_tvs_boast_the_ability_to_display_more/ | {
"a_id": [
"exhtxmg",
"exhwm0z",
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"score": [
4,
2,
2
],
"text": [
"Theoretically, there is no number of bits which would be able to display \"all colors\". However, many TVs can already display PRACTICALLY all colors.",
"Read this [wiki article](_URL_1_) about colo... | [] | [] | [
[],
[
"https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSuKfx5UoHlmHSe5qNVitOKj_qIJIzu0NzBhe-HpBEsOgDLNDOt",
"https://en.wikipedia.org/wiki/Color_depth"
],
[]
] | |
1e3edv | Confirmation vs. Bias | Bit of a silly question,
Based on compared written records (so not scientific things like DNA or carbon dating) how can a historical event/character be confirmed as real or specifically dated, and what hints that it's likely to be biased?
...
So, what makes the Xia Dynasty and King Arther likely unhistorical, b... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1e3edv/confirmation_vs_bias/ | {
"a_id": [
"c9wgh0s",
"c9wlroo",
"c9wm7u0"
],
"score": [
5,
2,
4
],
"text": [
"Everything carries some form of bias. Every historical narrative you read, and every bit of past you recite to others will emanate a unique angle. \n\nHistorians enjoy branching into other disciplines... | [] | [] | [
[
"http://books.google.com/books?id=Sea9JQ322k0C&printsec=frontcover&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=false",
"http://books.google.com/books?id=iD7xtbMIXhgC"
],
[],
[]
] | |
2g8lps | why has eli5 completely lost its original purpose? | Per the subreddit guidelines:
> *ELI5 is for requests for easy-to-follow explanations of complex concepts and subjects. That means no questions that are just looking for straightforward answers...* **ELI5 is absolutely not a repository for any question you have.**
Look at the ELI5 front page now, and pretty much a... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2g8lps/eli5_why_has_eli5_completely_lost_its_original/ | {
"a_id": [
"ckgoai2",
"ckgofuo",
"ckgovaw",
"ckgpihd"
],
"score": [
20,
2,
3,
2
],
"text": [
"The true reason why this is happening is because redditors see this: \n/r/answers current subscribers: 77,857 \n/r/explainlikeimfive current subscribers: 3,274,893\n\nThe likeli... | [] | [] | [
[],
[],
[],
[]
] | |
114gay | what the huge deal with spacex is, what happened and why is it so significant? | I keep seeing pictures of the launch and I think it has something to do with a trip to the international space station but I'm just not sure. If anyone could clarify that'd be great, thanks! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/114gay/eli5_what_the_huge_deal_with_spacex_is_what/ | {
"a_id": [
"c6j89se",
"c6jamz6"
],
"score": [
13,
8
],
"text": [
"It's the first privately owned (ie. not built by a government) spaceship to dock at the ISS. It's going to deliver cargo for NASA, something that right now has only been achieved by huge government funded space programs. ",... | [] | [] | [
[],
[]
] | |
2c845c | Are mitochondria/chloroplasts essential for multicellularity? Why? | It just dawned on me that multicellularity should be possible without them yet we don't see that. Maybe that's just a product of the evolutionary process? Or is it because multicellularity is not viable without these organelles? | askscience | http://www.reddit.com/r/askscience/comments/2c845c/are_mitochondriachloroplasts_essential_for/ | {
"a_id": [
"cjcvyh3"
],
"score": [
9
],
"text": [
"There have been [metazoans](_URL_0_) discovered that do not have mitochondria and do not need oxygen to live, they use a modified [hydrogenosome](_URL_1_) to do essentially what mitochondria do. Hydrogenosomes are evolved from mitochondria. Some ... | [] | [] | [
[
"http://phys.org/news189836027.html",
"http://en.wikipedia.org/wiki/Hydrogenosome"
]
] | |
1bmtps | Am I breeding super bacteria in my kitchen sink? If not, why? | So I cook basically all of my meals every day. This leads to the generation of a lot of dishes, and in turn the semi-frequent cleaning of said dishes.
First off, I avoid using anything anti-bacterial in my home. I don't want to contribute to the strengthening of bacterial strains through inherited resistances. In ... | askscience | http://www.reddit.com/r/askscience/comments/1bmtps/am_i_breeding_super_bacteria_in_my_kitchen_sink/ | {
"a_id": [
"c984f6t",
"c985bq5",
"c985wbf",
"c986qwq"
],
"score": [
2,
58,
9,
7
],
"text": [
"You're not killing any bacteria with the hot water and soap (assuming the water from your sink isn't boiling). In fact, many bacteria reproduce most effectively at temperatures yo... | [] | [] | [
[],
[],
[
"http://en.wikipedia.org/wiki/Antibacterial_soap",
"http://en.wikipedia.org/wiki/Triclosan"
],
[]
] | |
3hsdy4 | why are so many currencies around the world plunging in value? | I've read many articles reporting on the drops in value but few have explained why in a way a five-year-old can understand. Thanks! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3hsdy4/eli5_why_are_so_many_currencies_around_the_world/ | {
"a_id": [
"cuaan7t"
],
"score": [
2
],
"text": [
"There are three specific drops that I can think of right now: the Chinese yuan, the euro, and the Russian ruble.\n\nThe yuan has only recently taken a step drop. This appears to be entirely engineered by China's central bank. From time to time th... | [] | [] | [
[
"http://www.businessinsider.com/china-just-devalued-its-currency-2015-8"
]
] | |
1yd6qa | why aren't multi-cpu desktop pcs more prevalent? | These days it seems that multi-GPU PCs are becoming more prevalent with most modern PCs able to support 4 GPUs in SLI but why is it that multi-CPUs PCs aren't so prevalent? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1yd6qa/eli5_why_arent_multicpu_desktop_pcs_more_prevalent/ | {
"a_id": [
"cfjf868",
"cfjfnpk",
"cfjqf4a"
],
"score": [
9,
3,
2
],
"text": [
"Almost all modern PCs do have multiple CPUs, just not as separate discrete components. It makes more sense to pack them onto one physical die (and call them cores).",
"The multiple CPUs often deal ... | [] | [] | [
[],
[],
[
"http://en.wikipedia.org/wiki/ABIT_BP6"
]
] | |
cpr24h | What really happens in Manchuria before Second World War? | My great grandparents are from Manchuria and my great grandpa went to a Japanese railway school in Dalian大连 and graduate as best student without any knowledge of Japanese before joining the school, out-best all the Japanese student in his school. He later works in the Manchuria railway system.
In his year of service... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/cpr24h/what_really_happens_in_manchuria_before_second/ | {
"a_id": [
"ewxrs25"
],
"score": [
8
],
"text": [
" Every schoolkid in China knows the story of the Manchurian Incident (九一八事變/瀋陽事變), a crucial part of China’s ‘Century of Humiliation.’ The narrative is easy: on 18th September,1931, a bomb exploded on a railway line near Shenyang (also known as M... | [] | [] | [
[]
] |
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