q_id stringlengths 5 6 | title stringlengths 3 296 | selftext stringlengths 0 34k | document stringclasses 1
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value | url stringlengths 4 110 | answers dict | title_urls list | selftext_urls list | answers_urls list |
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7vgs6j | why are brass, copper, and bronze used in pluming? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7vgs6j/eli5_why_are_brass_copper_and_bronze_used_in/ | {
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"They're very corrosion resistant, considering the constant exposure to water. They're also very malleable (meaning they're easily shaped into tube and pipe) and not toxic, plus it is easy enough to be bent by hand rather than having to fabricate ... | [] | [] | [
[]
] | |
689ih3 | what happens to a file when it is uninstalled from a computer? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/689ih3/eli5what_happens_to_a_file_when_it_is_uninstalled/ | {
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"Your computer saves things by changing the ones and zeroes on disk. It doesn't matter what those bits were before you saved something, so there is no such thing as \"empty\" memory. As such, there's no... | [] | [] | [
[],
[],
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] | ||
610nc0 | what are moments, skewness and kurtosis in statistics? ;-; | I've been looking around on the internet for a simple explanation and stuff like "a moment is a summary measure of a probability distribution" doesn't cut it.
I'm confused. I'm a little stupid. And I have nowhere else to turn to except for ELI5 to explain these foreign fancy terms to me like I'm 5.
EDIT:
I also need t... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/610nc0/eli5_what_are_moments_skewness_and_kurtosis_in/ | {
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"text": [
"Did you find this [article](_URL_0_) ?",
"Somewhat vague explanation: If you're familiar with the basic shapes of polynomial graphs ([example showing degrees 1-6](_URL_0_)), then you can think of ea... | [] | [] | [
[
"https://funpsychology.wordpress.com/statistics-in-psychology/moments-skewness-and-kurtosis/"
],
[
"https://goo.gl/images/3IPLcm"
],
[]
] | |
2f7xvy | stud finders / stud sensors | Are they really accurate? How? I would never place a bet on my stud finding ability. Please help! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2f7xvy/eli5_stud_finders_stud_sensors/ | {
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"text": [
"They are mini metal detectors. They don't have a long range and are usually fairly accurate unless the stud is buried deep or there's some other piece of metal that distracts it.",
"There are two types, one senses metal,... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Stud_finder"
]
] | |
nwaog | wittgenstein | I'm preparing for a exam the 3rd of january, but because I had to move to my new appartment at the same time I haven't had time to read about Wittgenstein.
I'm studying about HCI(Human Computer Interaction), focusing on the philosophy by Paul Dourish... Please help.
| explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/nwaog/eli5wittgenstein/ | {
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"text": [
"I agree with the above post - you'd have to narrow down what you want to know about Wittgenstein. However, you're in luck! As there exists a comic book which explains various bits of Wittgenstein in a very simplified manner ... | [] | [] | [
[
"http://www.logicomix.com/en/"
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"http://www.logicomix.com/en/"
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23rz6r | how is it possible that our brain is able to calculate trajectory (e.g. throwing an object at something) so easily (especially if i'm so bad at math)? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/23rz6r/eli5_how_is_it_possible_that_our_brain_is_able_to/ | {
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"text": [
"Thank your binocular vision, try to make the same shot with on eye closed.",
"what you are doing is what most physicists do when looking into new equations or formulas - \"firs... | [] | [] | [
[],
[],
[],
[]
] | ||
5lrp0l | why do we get that strange feeling in our head when something sharp and long is pointing right between our eyes? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5lrp0l/eli5_why_do_we_get_that_strange_feeling_in_our/ | {
"a_id": [
"dbxwvzo"
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"score": [
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"text": [
"Doesn't work for me. Maybe it's because I don't use my left eye? Maybe it's related to the Ajna chakra point (third eye) and I mediate almost daily? Can you explain the sensation."
]
} | [] | [] | [
[]
] | ||
2rlmei | color wheel versus visible light spectrum | Sorry for the vauge title,but here's my question: Why is the opposite of red green on a color wheel, yet in terms of wavelength, red's opposite is violet? What is the difference?
I'm going to assume its about light vs shades (like how all the colors of light make white, but all the shades, like when mixing paint, make... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2rlmei/eli5_color_wheel_versus_visible_light_spectrum/ | {
"a_id": [
"cnh0x60"
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"score": [
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"text": [
"With visible light, red doesn't come after/before violet and violet doesn't come after/before red. On the color wheel it does because it makes finding relationships between colors easier than a straight line. Green being the opposite of red has e... | [] | [] | [
[]
] | |
237a2a | class warfare | Not really sure what to think about it. I see a lot of people that are "for" class warfare and "against" class warfare. What exactly takes place during class warfare and why do people either want it or not? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/237a2a/eli5_class_warfare/ | {
"a_id": [
"cgu481i",
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"text": [
"Class warfare is the idea that one class of people, usually the rich or well-to-do, either take action to prevent the poor from \"rising above their station\", or support policies which help suppress the poor, or are otherwi... | [] | [] | [
[],
[]
] | |
3x1u5d | what is self-healing plastic and how does it work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3x1u5d/eli5what_is_selfhealing_plastic_and_how_does_it/ | {
"a_id": [
"cy0vqea"
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"text": [
"I'm not an expert but I believe that self-healing plastic is a typical long-chain polymer material that contains pockets of liquid plastic. When the material is broken, these pockets of liquid plastic get broken open and the liquid fills the gap ... | [] | [] | [
[]
] | ||
2l2on1 | what really happens when people die of "old age" or "natural causes" ? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2l2on1/eli5_what_really_happens_when_people_die_of_old/ | {
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"http://reddit.com/r/Futurology/c... | ||
plg3r | how things such as albums and photos are leaked onto the internet. | Every so often I'll see something like "Scarlett Johanson Nude Pics LEAKED" or "LEAKED JK ROWLING CHAPTER!". I was simply wondering how things such as that are accessed, and just the general processed that shares such information with the internets.
Oh yeah, and I'm 5. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/plg3r/eli5_how_things_such_as_albums_and_photos_are/ | {
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"text": [
"It's a good real world example of how a secret is something you tell NOONE. Once you tell anyone, it has a very good chance of not being a secret for long.\n\nAn imaginary scenario would be something like the chapter of a book sent to a lot of p... | [] | [] | [
[]
] | |
1zzjro | pluto's orbit | I've been digging around the internet for a few hours and I've yet to find a satisfying answer about WHY Pluto's orbit is so different from that of other major bodies in the solar system.
Why is Pluto's orbit at an angle? Why is it such a severe ellipse? What, exactly, is Pluto (or it's barycenter, at least) orbiting?... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1zzjro/eli5_plutos_orbit/ | {
"a_id": [
"cfyp27k"
],
"score": [
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"text": [
"Pluto isn't actually an oddball. Most dwarf planets have highly eliptical, angled orbits. [see this side-view image of the solar system with several dwarf planets and kuiper belt objects highlighted](_URL_0_)"
]
} | [] | [] | [
[
"http://www.lunarplanner.com/Images/asteroid-orbits/dwarf-orbits-side.gif"
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l9u7s | why such widespread poverty still exists in the 21st century. | Also, I'm interested in knowing why the gap between rich and poor (both within countries and between countries) is growing rather than closing.
Also, I am very interested in this subject even though I don't know much about it, so feel free to suggest things for me to read/watch. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/l9u7s/eli5_why_such_widespread_poverty_still_exists_in/ | {
"a_id": [
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"text": [
"It has become institutionally acceptable for American Corporations to lay off literally millions of people and then ship those jobs overseas while paying maybe $3 a day.\n\nThe reason other countries accept these jobs goes b... | [] | [] | [
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"http://www.youtube.com/watch?v=EdyLtFvzR9w",
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"http://www.youtube.com/watch?v=EdyLtFvzR9w",
"http://www.youtube.com/watch?v=yTbdnNgqfs8"
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1bwi5d | what philosophical assumptions does science make? what are the 'beliefs' inherent in scientific inquiry? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1bwi5d/eli5_what_philosophical_assumptions_does_science/ | {
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"That induction works, which is a perfectly fine assumption to make. Generally we assume that our senses aren't lying and what happens t... | [] | [] | [
[],
[],
[],
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[],
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"http://rationalwiki.org/wiki/Methodological_naturalism"
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vz4ip | warts. | I know they're a virus. But how are they spread? I have one on my finger and it appeared randomly. I have had one once before on my foot but that was 10+ years ago. How would I have gotten the one on my finger?
I guess this could pertain to genital warts, too but I just mean regular warts.
Also I have not been pla... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/vz4ip/eli5_warts/ | {
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"You can have the virus (HPV) on your body without necessarily having any visible effects o... | [] | [] | [
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"http://en.wikipedia.org/wiki/Wart"
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"http://www.reddit.com/r/explainlikeimfive/comments/qa005/eli5_wart_removal/c3w2i4h"
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4h1a4f | how can a single strand dna hold almost a zettabyte of digital storage? | Single strand of*
| explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4h1a4f/eli5_how_can_a_single_strand_dna_hold_almost_a/ | {
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"score": [
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"text": [
"i hate to sound flippant but the answer is that our current technology has storage density limitations that prevent us from doing the same thing our DNA does. Data does not inherently take *any* space really. at least, not a... | [] | [] | [
[],
[]
] | |
1rili0 | why do we still have single cell/simple organisms? | The theory of evolution, as far as I know, says that we evolved from single cells organisms. My question is why do those things still exist? If life all began at the same point, why haven't we all evolved into humans or fish, or whatever. I get the idea of random chance affecting it. But looking over billions of years ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1rili0/why_do_we_still_have_single_cellsimple_organisms/ | {
"a_id": [
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"text": [
"Bacteria is the most successful thing on this planet with about 5*10^30 individuals. Some scientists estimate the total weight of bacteria exceeds that of both plants and animals. So a better question to ask would be why we are even here?\n\nYou ... | [] | [] | [
[]
] | |
30xarj | why netflix's "recently added" column has all the newest releases, while it's "new releases" contains mostly movies that have been on netflix for months-years. | Über annoying in my opinion. Not for nothing, by I also wish they had a way to view traditional genres. It's a fantastic service, but their categorization kinda sucks. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/30xarj/eli5_why_netflixs_recently_added_column_has_all/ | {
"a_id": [
"cpwopho"
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"score": [
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"text": [
"It's based off of your recommended shows/movies so if you have a specific taste, the newest movie in that category might be a year old."
]
} | [] | [] | [
[]
] | |
959c4r | with the epa allowing asbestos again, what exactly is it, what are those commercials saying, should i be scared, and if so what can i do to prevent harm? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/959c4r/eli5_with_the_epa_allowing_asbestos_again_what/ | {
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"text": [
"Asbestos is so dangerous because when it breaks, even just a little, it has a tendency to produce long, thin fibers of asbestos. These are *supremely* dangerous in how they can rack up lung damage wit... | [] | [] | [
[],
[],
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] | ||
3olwx0 | when driving does a change in air pressure determine how much fuel you use (mpg) etc.. | Ive noticed when I drive places, even though im doing the same journey and the same speed etc.. my fuel gauge will say different?? Really confuses me.. HELP! | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3olwx0/eli5_when_driving_does_a_change_in_air_pressure/ | {
"a_id": [
"cvycbxf"
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"text": [
"Yes...but not very much. Also, fuel gauges aren't all that accurate.\n\nProbably the most noticeable effect on MPG, for the same trip at the same speed, is wind. Headwind or crosswind will decrease it, tailwind will increase it. Many other thi... | [] | [] | [
[]
] | |
j3szh | what does it mean when someone "itemizes" their taxes? also is this somehow related to deductions. actually, eli5 deductions as well. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/j3szh/eli5_what_does_it_mean_when_someone_itemizes/ | {
"a_id": [
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"text": [
"When figuring out your taxes, there are certain things that the government has decided you don't have to pay taxes (or can pay less taxes) on. Because you're deducting them from the amount you have to pay, they're called deductions. They are for ... | [] | [] | [
[]
] | ||
3sf652 | why do next gen video games all require downloading new content immediately after purchase? why can't they sell complete games out of the box anymore? | Have purchased three PS4 games in the last few months and each one has required time to download before playing the full game. Are games too fat to fit into one CD anymore? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3sf652/eli5_why_do_next_gen_video_games_all_require/ | {
"a_id": [
"cwwn02u"
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"score": [
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"text": [
"Printing discs, boxing and shipping take a while to do, and because games have to be shipped to retails days before the release in order to ensure that they have them available for purchase that day, this packaging process has to start early.\n\n... | [] | [] | [
[]
] | |
mksz5 | why small businesses are considered "good" | I always hear about small businesses on the news and whatnot and they always say how we should put money into small businesses and support them. I've heard various reasons why they are good/important but I'd like a concise answer. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/mksz5/eli5_why_small_businesses_are_considered_good/ | {
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"Ke... | [] | [] | [
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"census.gov",
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5xawd4 | how do they declare certain aquatic organisms as extinct, when we haven't explored a huge majority of the oceans? | Apparently, we've only explored around [5%](_URL_0_) of the Earth's oceans. How do they declare some aquatic organisms to be extinct, when we don't know what lies in the unexplored regions?
> *Note that I'm talking about ancient and recent species here.* | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5xawd4/eli5_how_do_they_declare_certain_aquatic/ | {
"a_id": [
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"text": [
"The same way we do on land, really. It is basically the reasoning of 'if we haven't seen any trace of species X in a good number of years, most likely they are extinct.' Sometimes those assumptions are correct. sometimes they are very false. (Li... | [] | [
"http://oceanservice.noaa.gov/facts/exploration.html"
] | [
[]
] | |
28uils | how would half the gravity on earth, and in another scenario double the gravity on earth affect us in everyday life? also, could we survive without any gravity at all? | Let's say Earth had the gravity of Mars (38% of Earth's) and in another scenario had the gravity of Jupiter (2 1/2 times that of Earth's). How would this affect us in everyday life?
What if there was no Gravity on Earth, could we survive? What would be different?
I got turned down in /askscience so maybe I can get ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/28uils/eli5_how_would_half_the_gravity_on_earth_and_in/ | {
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"text": [
"Not exactly an expert, but I'm an undergraduate Physics major:\n\nAssuming that Earth has ALWAYS had the gravitational attraction of Mars or Jupiter, it would affect us very little. Our bodies would have evolved along with all other life on Earth... | [] | [] | [
[]
] | |
4kn48c | if networks cancel a show mid-season and have filmed the rest of the season, why aren't the rest of the episodes released online? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4kn48c/eli5_if_networks_cancel_a_show_midseason_and_have/ | {
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"http://www.npr.org/2014/05/10/310985369/not-my-job-brat-pack-member-rob-lowe-gets-quizzed-on-bratwurst"... | ||
2v03mz | why was synth used so much in 80s music? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2v03mz/eli5_why_was_synth_used_so_much_in_80s_music/ | {
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"text": [
"Simply put, because it was new, it became popular very fast, and people liked it.",
"Synthesizers became popular very quickly due to their marketed ability to 'create the sound... | [] | [] | [
[],
[],
[],
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"https://static.gearslutz.com/board/imgext.php?u=http%3A%2F%2Fsynthparts.retrosynth.com%2Fp5rev1new1.jpg&h=d0a5028b6ffc6c9b9b06b4beffc7213b",
"http://www.vintagesynth.com/yamaha/yamaha_dx7_lg.jpg"
]
] | ||
28f1i8 | why is the us police force becoming more militarized and more powerful? or is this a misconception? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/28f1i8/eli5why_is_the_us_police_force_becoming_more/ | {
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"http://en.wikipedia.org/wiki/Nika_riots#The_riots",
"http://en.wikipedia.org/wiki/Occupy_movement",
"http://en.wikipedia.org/wiki/Jallianwala_Ba... | ||
627tzs | why does the us model of the samsung galaxy s8 have a different processor than the global model? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/627tzs/eli5_why_does_the_us_model_of_the_samsung_galaxy/ | {
"a_id": [
"dfkeymw"
],
"score": [
7
],
"text": [
"Qualcomm owns many many patents in the US basically forcing any company to use Qualcomm's modem to connect to wireless signals. Companies are free to use any SoC (System on a Chip) they want, the Galaxy S6 used the global SoC version but used a ... | [] | [] | [
[]
] | ||
9z5yc7 | how exactly does the us "cut someone off from the dollar market" with sanctions? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9z5yc7/eli5_how_exactly_does_the_us_cut_someone_off_from/ | {
"a_id": [
"ea6kwh7"
],
"score": [
3
],
"text": [
"The US tells banks that they cannot do business with \"someone\" if they want to do business with US regulated banks or the electronic funds transfer network. This doesn't exactly prevent them from spending dollars, but they have to do it with b... | [] | [] | [
[]
] | ||
7vxpf1 | animals with rabies live normally but infected people die in a week? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7vxpf1/eli5_animals_with_rabies_live_normally_but/ | {
"a_id": [
"dtvvzru",
"dtvw0kp",
"dtvzojx",
"dtwcxa3"
],
"score": [
6,
13,
7,
4
],
"text": [
"Animals die from rabies too.\n\nPeople will show symptoms of rabies after being bitten anywhere from weeks to months. ",
"Animals with rabies typically *don't* live normally. ... | [] | [] | [
[],
[],
[
"http://www.who.int/mediacentre/factsheets/fs099/en/",
"https://www.youtube.com/watch?v=guYU1JDE_jM"
],
[]
] | ||
4zod1t | how does the acid in lead acid batteries not consume the lead? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4zod1t/eli5_how_does_the_acid_in_lead_acid_batteries_not/ | {
"a_id": [
"d6xfhqv",
"d6yhey9"
],
"score": [
4,
2
],
"text": [
"It does- in fact, that's how it works. It turns it into lead sulfate, and when all the lead has been so turned, the battery is dead. Charging a battery gradually turns the lead sulfate and water back into lead oxide and sulf... | [] | [] | [
[],
[]
] | ||
6aoqql | how come people say "drinking the kool-aid"when referring to cults? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6aoqql/eli5how_come_people_say_drinking_the_koolaidwhen/ | {
"a_id": [
"dhg84eh",
"dhg872o",
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"dhgdxgg",
"dhge6ca"
],
"score": [
6,
39,
177,
43,
12,
3,
2
],
"text": [
"It's a reference to a famous cult that committed mass suicide by drinking poisoned Kool-Aid. (IDK if this is ... | [] | [] | [
[],
[],
[
"https://en.wikipedia.org/wiki/Jonestown"
],
[],
[],
[],
[]
] | ||
svjid | atlas shrugged | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/svjid/eli5_atlas_shrugged/ | {
"a_id": [
"c4hbwdh",
"c4hbwok",
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"score": [
11,
48,
4,
4,
3,
5,
2
],
"text": [
"Rand is generally disliked by Redditors but Atlas Shrugged is a great book and I would wager that at least 80% o... | [] | [] | [
[],
[
"http://www.reddit.com/r/explainlikeimfive/comments/jt3r4/eli5_the_plot_of_atlas_shrugged/"
],
[
"http://www.reddit.com/r/explainlikeimfive/comments/jt3r4/eli5_the_plot_of_atlas_shrugged/c2exh5i",
"http://www.reddit.com/r/explainlikeimfive/comments/svjid/eli5_atlas_shrugged/c4hbmk9"
],
[... | ||
m7ex6 | why is it cold during summer further up north if over there the sunlight lasts longer? | I try to think of how earth would be positioned, and doesn't the fact that the day last longer somewhere mean that that part is actually closer to the sun? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/m7ex6/eli5why_is_it_cold_during_summer_further_up_north/ | {
"a_id": [
"c2yp68f",
"c2yp68f"
],
"score": [
27,
27
],
"text": [
"The reason it's cold in the north, even in summer, is about the angle that the sunlight hits the earth. Far north the sun is in the sky for a long time but it never gets very *high* in the sky. In the far north the sun bar... | [] | [] | [
[],
[]
] | |
2vh4f4 | would an oil heating system use more oil keeping a house a constant temperature all day or turning it off and bringing it back up to temperature? | I don't know how simple or complex of an answer this has. My wife and I keep our house at 70 degrees fahrenheit and have been turning the heater off during the day. When I get home from work the house is down around 55 - 60 degrees fahrenheit and often takes most of the evening to get back up to temperature.
Is turni... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2vh4f4/eli5_would_an_oil_heating_system_use_more_oil/ | {
"a_id": [
"cohksr1"
],
"score": [
2
],
"text": [
"A lot depends on your home. The size, type of heating system, amount of insulation, how tight the house is all play a factor. With that being said, I can't ELI5 but I have a lot of experience in home building/home performance. It's what I do. ... | [] | [] | [
[]
] | |
1397l2 | i thought jordan had a constitutional monarchy, yet it appears that democratic movements have flaired up in the region. eli5 | I was under the assumption that king Abdullah had managed to avoid falling victim to the Arab spring by enacting economic and political reforms in recent years. Is this untrue, or are the revolutionary elements just extremely radical? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1397l2/i_thought_jordan_had_a_constitutional_monarchy/ | {
"a_id": [
"c71wy8y",
"c71y1ln",
"c71zs9x"
],
"score": [
3,
2,
3
],
"text": [
"Good question. If you don't receive an adequate answer here in ELI5, you might try /r/middleeastnews or even /r/islam",
"Jordan does have a constitutional monarchy, and the king has been enacting d... | [] | [] | [
[],
[],
[]
] | |
355pik | why do i drive down the road and sometimes people flash their headlights once or twice before we pass? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/355pik/eli5_why_do_i_drive_down_the_road_and_sometimes/ | {
"a_id": [
"cr187jx",
"cr187p5",
"cr187ul",
"cr187y8",
"cr19bu8"
],
"score": [
7,
7,
2,
12,
5
],
"text": [
"There are cops behind them, don't do anything stupid.\n\nOr you are already doing something wrong, like not having your lights on at night.",
"Here in So... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
de9n3h | how does slag glass form? | How does slag glass come to be? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/de9n3h/eli5_how_does_slag_glass_form/ | {
"a_id": [
"f2u2zdp"
],
"score": [
2
],
"text": [
"Slag is a byproduct of metal refining. It's essentially impurities in the metal that are removed and is often kinda glassy. Originally slag glass had slag mixed into the glass to give it the appearance. However, later multiple colors of molten... | [] | [] | [
[]
] | |
5nudv5 | how do you build synthetic molecules? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5nudv5/eli5_how_do_you_build_synthetic_molecules/ | {
"a_id": [
"dcekkjh",
"dceyw9d"
],
"score": [
2,
2
],
"text": [
"The best way I can explain it is to think of going on a road trip. To get from A to B, there are several routes you could take. You want to stop at a particular tourist attraction on the way, so that eliminates some of the p... | [] | [] | [
[],
[]
] | ||
2yfcjs | landfill. surely it's a really really bad idea to fill holes with a partly rotting, gassy, mix of crap? won't we run out of places to put it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2yfcjs/eli5_landfill_surely_its_a_really_really_bad_idea/ | {
"a_id": [
"cp8z4l9",
"cp90zqx",
"cp9135b",
"cp93i5m"
],
"score": [
2,
3,
3,
3
],
"text": [
"The landfills here get filled over and then holes drilled in to the rubbish. Then they put pipes coming vertically out of the rubbish to vent the gas.\n\nSo I suppose in a few hund... | [] | [] | [
[],
[],
[],
[]
] | ||
q0jlq | linear alegbra: what the difference between linear independence and linear dependence is. | I have a test tomorrow and I feel that this is really essential. I can't figure it out :(:(
Thanks!
EDIT: it makes sense but now I need to grasp if a unique solution is linearly dependent or independent | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/q0jlq/eli5_linear_alegbra_what_the_difference_between/ | {
"a_id": [
"c3tq1vl"
],
"score": [
3
],
"text": [
"Let's say I give you a set of vectors. If any one of those vectors can be constructed as a combination of any of the others, then the set is said to be \"linearly dependent\". If the set isn't linearly dependent, we call it \"linearly independent... | [] | [] | [
[]
] | |
2vu2ib | what is mega doing? why do i have to wait forever twice? | I first have to wait for MEGA to start the download, and then it takes forever to download to my computer. What is going on here? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2vu2ib/eli5what_is_mega_doing_why_do_i_have_to_wait/ | {
"a_id": [
"cokxv34"
],
"score": [
2
],
"text": [
"A lot of complicated encryption.\n\nRemember Megaupload? It was a site for hosting files on for download, based in New Zealand, much like Mega, but it was quicker. Unfortunately for them, US law deemed it illegal because it had lots of copyright-... | [] | [] | [
[]
] | |
3xevxt | why do the skeletons of people that died hundreds of years ago have perfect white teeth but mine will yellow within days without brushing? | I always thought it was strange that photos of ancient corpses or skeletons from (literally) ages ago are dug up by archaeologists and seem to have great teeth! And yet i have to brush twice a day and mouthwash to maintain "kinda" white teeth.. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3xevxt/eli5_why_do_the_skeletons_of_people_that_died/ | {
"a_id": [
"cy419tl",
"cy41alj",
"cy48h6v",
"cy4bfh8",
"cy4j2uy",
"cy4ks1i",
"cy502eh"
],
"score": [
14,
135,
6,
3,
6,
5,
2
],
"text": [
"Because those skeletons aren't maintaining an active bacterial culture in their mouth. Your mouth is warm and m... | [] | [] | [
[],
[],
[],
[
"http://qz.com/516672/ancient-romans-had-no-need-for-dentists-because-of-one-food-they-didnt-eat/"
],
[
"http://m.sciencefocus.com/qa/are-yellow-teeth-stronger"
],
[],
[]
] | |
3mgu1q | why doesn't america join russia fighting isis in syria on the ground? | Wonderful opportunity to build trust with Russia and challenge ISIS. Would be a dream _URL_0_ hardened Syrians with a new found confidence. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3mgu1q/eli5why_doesnt_america_join_russia_fighting_isis/ | {
"a_id": [
"cvetdmf",
"cvets9g",
"cveu0hc"
],
"score": [
2,
8,
3
],
"text": [
"It's dirty fighting and I don't think any western country wants to get that deep just yet. It's very expensive, the largest cost being soldiers' lives.",
"* Russia is not fighting on the ground, the... | [] | [
"team..US/Russia/and"
] | [
[],
[],
[]
] | |
3rx8bt | how does new york have a service economy when the rent is so high? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3rx8bt/eli5_how_does_new_york_have_a_service_economy/ | {
"a_id": [
"cws3370",
"cws63pc",
"cws943e"
],
"score": [
16,
2,
2
],
"text": [
"They don't live in Manhattan or Brooklyn... they live in the less expensive boroughs like the Bronx or Queens. And they cram more people/family members into apartments than elsewhere.",
"A waiter o... | [] | [] | [
[],
[],
[]
] | ||
5blgzi | when using virtual reality devices like the vive or rift, how do our eyes focus on 'distant' objects when they are really only centimetres away? | Do our eyes react in the same way as they do in the physical world? Or is there some trick being played? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5blgzi/eli5_when_using_virtual_reality_devices_like_the/ | {
"a_id": [
"d9pf8u8",
"d9pfrid"
],
"score": [
5,
2
],
"text": [
"The lenses in VR device put the image at a distance. Early prototypes used infinite distance because reasons(similar how stars are essentially infinite distance away as far as your eye focus goes), it didn't really affect im... | [] | [] | [
[],
[]
] | |
39x3bm | why was dragon ball gt considered so bad compared to dragon ball and dragon ball z? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/39x3bm/eli5why_was_dragon_ball_gt_considered_so_bad/ | {
"a_id": [
"cs77m1v",
"cs77w7b",
"cs7bvap"
],
"score": [
2,
2,
2
],
"text": [
"I don't know what the general criticisms are, but, personally, Z did a better job building tension and had far stronger villains/plot arcs. GT felt like a hokey pseudo-parody of Z. Then again, I was qui... | [] | [] | [
[],
[],
[]
] | ||
4n8csp | are the acid levels in the hot springs at yellowstone park enough to dissolve a human body? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4n8csp/eli5are_the_acid_levels_in_the_hot_springs_at/ | {
"a_id": [
"d41orzi",
"d41otub"
],
"score": [
4,
10
],
"text": [
"The [pH of the water in the acid springs is in the 2-3 range](_URL_0_ ), that's in the lemon juice-vinegar range. This will not dissolve a human body for a very long time. Many of the pools and geysers have underground st... | [] | [] | [
[
"https://microbewiki.kenyon.edu/index.php/Yellowstone_Acid_Pools"
],
[]
] | ||
bkaubt | if a helicopter were to hover 12 hours without moving forward, would it be on the other side of the world? | Ok I know it sounds dumb. But I came across a flat earth thing that people are making fun of that said “if the earth really were spinning, a helicopter could hover in one spot for 12 hours and be on the other side of the world.” Why is that laughable? I don’t know how the physics of that works, but it feels like a heli... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bkaubt/eli5_if_a_helicopter_were_to_hover_12_hours/ | {
"a_id": [
"emf9nhg",
"emfa9r7",
"emfadxc",
"emfadxm",
"emfandr",
"emfaxtb",
"emfggh1",
"emflz1e",
"emfqreu"
],
"score": [
28,
3,
8,
5,
5,
7,
2,
2,
3
],
"text": [
"No.\n\nAll of the air in the atmosphere is spinning with the Earth. I... | [] | [] | [
[
"https://youtu.be/K0-GxoJ_Pcg"
],
[],
[],
[],
[],
[],
[],
[],
[]
] | |
1olsf3 | why is hitting your child legal (corporal punishment) when hitting an adult isn't? | As a young adult who was constantly abused physically and emotionally as a child/teenager, I've always wondered how it can be illegal for an adult to strike another human being without consent, yet it is legal for an adult to physically strike their child, who is incapable of retaliation or self-defense.
| explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1olsf3/eli5_why_is_hitting_your_child_legal_corporal/ | {
"a_id": [
"cct6v0e",
"cct7fou",
"cctctuw"
],
"score": [
8,
2,
2
],
"text": [
"the fuzzy gray line lies around intention to discipline not intention to inflict harm. ",
"I've only spanked one of my children maybe three times in 19 years. Every single time it was over something... | [] | [] | [
[],
[],
[]
] | |
32p4ql | how does edward snowden's protection in russia work? | (Sorry if I can't explain myself very well - english isn't my first language)
I was wondering how can Russia give him asylum and not have the US come get him. I know and understand how refugees work, and that Snowden technically didn't commit any crime, but I'm interested in knowing how can Russia protect him and how ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/32p4ql/eli5_how_does_edward_snowdens_protection_in/ | {
"a_id": [
"cqd9g1k",
"cqd9giz",
"cqdyvvr"
],
"score": [
42,
6,
2
],
"text": [
"* Russia is not the US, so US law doesn't apply there. They can't just invade Russia and take him.\n\n* The US must ask for Russia to \"extradite\" him (meaning to willingly turn him over to US author... | [] | [] | [
[],
[],
[]
] | |
5z76m3 | when financial companies "buy" commodities, how are they stored? or they buying "rights" to have them at that price? | I've recently read about this fund company possessing more $2.3B worth of sugar and I was wondering how are they stored? Is it up to the financial company to pay for storage for such goods? How does it work?
Source: _URL_0_ | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5z76m3/eli5_when_financial_companies_buy_commodities_how/ | {
"a_id": [
"devstk8",
"devt340"
],
"score": [
3,
11
],
"text": [
"They are buying \"futures\". These are contracts for a ton of soybeans in 4 months. Speculators buy them in hopes the price will be high and someone who needs soybeans to make their product will buy the contract for more ... | [] | [
"https://www.fnlondon.com/articles/futures-trader-goes-on-sugar-binge-20170308"
] | [
[],
[]
] | |
4bc8cu | what happens when a person such as myself, who's maybe worth $18,000 on a good day, gets sued for $10 million? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4bc8cu/eli5_what_happens_when_a_person_such_as_myself/ | {
"a_id": [
"d17t3z1",
"d17t56h",
"d17t7uv",
"d18ejhm"
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"score": [
13,
53,
3,
4
],
"text": [
"Lawyer here.\n\nThe trial goes ahead to determine two things: Have you wronged the person suing, you, and if so, how much money do you owe them to make it right?\n\nLet's say a c... | [] | [] | [
[
"https://www.youtube.com/watch?v=3ctLEGrOmf4"
],
[],
[],
[]
] | ||
9jtv46 | why do computers have a shutdown process instead of just cutting it's own power? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9jtv46/eli5_why_do_computers_have_a_shutdown_process/ | {
"a_id": [
"e6u7lel",
"e6u7mft",
"e6u811j",
"e6uas4m"
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"score": [
20,
2,
2,
2
],
"text": [
"For the same reason that people generally lie down before going to sleep instead of just falling over: To avoid damage. \n\nAt any given time, a computer is running a lot of pro... | [] | [] | [
[],
[],
[],
[]
] | ||
1mvyaz | internet infrastructure. | I have a decent laymans understanding of it but I thought this could be a good ELI5 question anyway. In other words, I know how the internet works, how does it REALLY work? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1mvyaz/eli5_internet_infrastructure/ | {
"a_id": [
"ccd4j0m"
],
"score": [
2
],
"text": [
"Inside your computer is something called a NIC (Network Interface Card). It has two main jobs - send data, and receive data.\n\nHook it up to another computer via an Ethernet cable and you have a simple network. Your computer's send is hooked up ... | [] | [] | [
[
"http://www.theguardian.com/world/2011/apr/06/georgian-woman-cuts-web-access",
"www.google.com"
]
] | |
1svgsy | why do we not have a universal chatting (im) service/client? or do we? | I started using the internet around the time when MSN was big in the US and Yahoo! everywhere else in the world. If I'm not mistaken, the two could not talk to each other. Even if they could, fast-forward to today.
Today we have--in no particular order--Google Hangouts (or Google Talk if we backtrack a bit), Windows L... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1svgsy/eli5_why_do_we_not_have_a_universal_chatting_im/ | {
"a_id": [
"ce1msrg",
"ce1mvnz",
"ce1ni8h"
],
"score": [
3,
3,
2
],
"text": [
"Basically [this](_URL_0_). To expand, each messenging service does well enough on its own to allow for its continued existence. Furthermore, most of them have some feature that makes them better for c... | [] | [] | [
[
"http://xkcd.com/927/"
],
[],
[]
] | |
2qzdgx | can masturbating make your muscles bigger? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2qzdgx/eli5_can_masturbating_make_your_muscles_bigger/ | {
"a_id": [
"cnaze4g"
],
"score": [
2
],
"text": [
"To grow muscle you need to do few reps with high exertion. Masturbation is the opposite of this. You will improve muscular endurance in this way but that does not make your muscles bigger. That's why weightlifters are bulky and marathon runners a... | [] | [] | [
[]
] | ||
2wotg9 | why do so many free wifi hotspots have a gateway page? | People advertise free wifi all the time - but 99% of the time, I need to use some sort of gateway to get to it. Why don't we just have open wifi hotspots at things like hotels? Isn't it much more convenient than constantly having to sign back in?
I understand that they don't want people to poach free internet - but fi... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2wotg9/eli5_why_do_so_many_free_wifi_hotspots_have_a/ | {
"a_id": [
"coss5ec"
],
"score": [
2
],
"text": [
"There are concerns that if you use a wifi connection and you commit computer crimes, libel or harassment the owner of the wifi connection could be held liable. The boilerplate text provides a mechanism for the wifi owner to disclaim liability fo... | [] | [] | [
[]
] | |
35iifk | why bodybuilding competitions are not considered eating disorders? | I've been watching my roommate this year prep.
I'm all for eating healthy and working out and having goals. Being dedicated is great.
But I'm having trouble understanding when people are prepping right before competition and only eat very little carbs or drink very little water to look lean, this is not considered an... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/35iifk/eli5_why_bodybuilding_competitions_are_not/ | {
"a_id": [
"cr4p89w",
"cr4pl2h"
],
"score": [
2,
3
],
"text": [
"One of the defining characteristics of any mental illness is that it negatively impacts the life of the sufferer. \n\nIf your friend feels compelled to live in this style, against his wishes, then it may be a disorder. If it... | [] | [] | [
[],
[]
] | |
3djjr1 | how come some peppers "burn" your skin if you touch them, but your mouth doesn't get burned if you eat them? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3djjr1/eli5how_come_some_peppers_burn_your_skin_if_you/ | {
"a_id": [
"ct5r88w"
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"score": [
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"text": [
"So it depends on the pepper, but it's not a burn like a fire would cause.\n\nWhen it comes to spicy peppers, the reason you get the spicy sensation in your mouth is because of a chemical called Capsaicin. This chemical opens up the calcium chann... | [] | [] | [
[]
] | ||
26o0qp | how can thailand go through a military coup when the same king is still in power, and has been for so many years? | How is Thailand experiencing a military coup when the point of a coup is to seize control? Is the king of Thailand for or against this coup since the point of a coup is to destroy the party in charge the king has been through various coups since his assent to the thrown but remains in power, correct? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/26o0qp/eli5_how_can_thailand_go_through_a_military_coup/ | {
"a_id": [
"chsudi7"
],
"score": [
2
],
"text": [
"The King of Thailand doesn't have any real power. Thailand is a constitutional monarchy, just like England. "
]
} | [] | [] | [
[]
] | |
2wnqly | why does water taste worse when our throat is sore? | Seriously, I can't drink water when I have a sore throat, I don't even want to. I prefer to drink something else as my waft isn't so good and the water makes this sensation a lot worse. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2wnqly/eli5_why_does_water_taste_worse_when_our_throat/ | {
"a_id": [
"costf3t"
],
"score": [
2
],
"text": [
"Not a doctor but I get the same thing, and I would say it's because the throat is infected and you're getting teh bacteria into your mouth and on your tongue."
]
} | [] | [] | [
[]
] | |
29goe1 | why does football go by scores of 7 instead of 1 ' s like hockey and soccer? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/29goe1/eli5_why_does_football_go_by_scores_of_7_instead/ | {
"a_id": [
"cikqgg7",
"cikqibu",
"cikrvod"
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"score": [
5,
3,
2
],
"text": [
"It doesn't \"go by scores of 7.\" There are different ways to score points, and each type of score is worth a certain amount of points. Some are only possible in certain situations. A common misconcepti... | [] | [] | [
[],
[],
[]
] | ||
8b23ba | why are some viruses shaped like an icosahedron? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8b23ba/eli5_why_are_some_viruses_shaped_like_an/ | {
"a_id": [
"dx3c9zp"
],
"score": [
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],
"text": [
"Most likely because it's a compact shape that can be built easily (make a triangle of protein 8 times, join them together).\n\nViruses hijack the cells of other creatures (or bacteria) to reproduce, so they need to keep things super simple."
]
... | [] | [] | [
[]
] | ||
16j649 | why is gasoline sold per 9/10 gallon? | This has confused me since I was old enough to notice. We can pretend that that age was 5, so someone please explain to the child in me. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/16j649/why_is_gasoline_sold_per_910_gallon/ | {
"a_id": [
"c7wiq4q",
"c7wk098",
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],
"score": [
3,
3,
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],
"text": [
"Marketing. It makes the price sound a cent cheaper than it actually is.",
"It's actually 9/10 cent. So you see prices like 3.39^9/10 what that means is \"3 dollars, 39 and nine tenths cents.\" It's... | [] | [] | [
[],
[],
[]
] | |
16xf92 | what's all the fuss about megaupload? do that many people really need file storage? | With massive hard drives on home computers is there really that much of a need for offline storage? Is there something else it's used for? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/16xf92/eli5_whats_all_the_fuss_about_megaupload_do_that/ | {
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"score": [
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"text": [
"Online storage is generally seen as the way... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | |
4b4t1n | since all digital memory has to be stored as physical hard copies, will we ever have an information technology crisis? | This is an age of crisis, where we are running out of fossil fuels, influencing climate, warfare, hunger etc. that we humans have to deal with. So the question arises as to how the Internet and digital memory (what we take for granted in this day), might one day become harder to achieve or keep up with.
I am not very ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4b4t1n/eli5_since_all_digital_memory_has_to_be_stored_as/ | {
"a_id": [
"d161m6j",
"d161nj4"
],
"score": [
5,
2
],
"text": [
"We're going to have a lot of other problems before we run out of computer storage. Silicon is one of the most commonly occurring elements on Earth, and it doesn't take all that much to create a flash drive or solid state dri... | [] | [] | [
[],
[]
] | |
el7qqx | how do machines calculate body fat percentage? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/el7qqx/eli5_how_do_machines_calculate_body_fat_percentage/ | {
"a_id": [
"fdg4cfy",
"fdg667q",
"fdg8b6a"
],
"score": [
3,
2,
2
],
"text": [
"Usually scale use two electrod under your feet and use Tiny Ac current. By measuring the impedance and frequency responce of the human body they can deduce the ammount of fat and water.",
"The accur... | [] | [] | [
[],
[],
[]
] | ||
6rqrkz | when you mix the same quantity of cold and hot water in a bucket, is the result the average of the two temperatures? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6rqrkz/eli5_when_you_mix_the_same_quantity_of_cold_and/ | {
"a_id": [
"dl71v6m"
],
"score": [
3
],
"text": [
"In a perfectly closed system with no loss of temperature to the air or buckets, yes. A 50 degree bucket and a 100 degree bucket will make a 75 degree double bucket. \n\nIn reality it will be slightly less than 75 as some heat is lost to the bucke... | [] | [] | [
[]
] | ||
2flkgl | what is the point of having the marine corps and the army separated? | I understand the separation of navy and airforce, but why are both infantry based marines and army seperated? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2flkgl/eli5_what_is_the_point_of_having_the_marine_corps/ | {
"a_id": [
"ckae9o7"
],
"score": [
16
],
"text": [
"The missions of the Marine Corps and the Army are entirely different, those differences came out of design and necessity. The Marines are a department of the navy, operating as their own entity and are constantly defending why they exist.\n\nThe... | [] | [] | [
[]
] | |
1vqcuo | why does it seem like the large majority of movies from the 80s were set in either chicago or illinois in general? | Bit of an odd question. It's just that it seems like every other 80s movie that I watch just happens to be set in Chicago. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1vqcuo/why_does_it_seem_like_the_large_majority_of/ | {
"a_id": [
"ceurpye",
"ceusnt0",
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"ceuwubu",
"ceux9eh",
"ceuxmfd"
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"score": [
9,
6,
2,
2,
3,
2
],
"text": [
"John Hughes was arguably the 80s movie king, and he filmed most of his stuff in and around Chicago.",
"Often it has to do with licen... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | |
70jv3o | what keeps people who work at kfc/coca-cola from stealing a sample of their secret recipes, reverse engineering them, and then selling them? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/70jv3o/eli5_what_keeps_people_who_work_at_kfccocacola/ | {
"a_id": [
"dn3o93o"
],
"score": [
13
],
"text": [
"Not a huge amount, really. We already pretty much know what's in these products (I mean, with Coke, you can basically just read the label). The difficulty is only getting the exact formulation and mixing right. For most people, the prohibitive p... | [] | [] | [
[]
] | ||
2pj5b1 | how do manufacturers get the little "pop/freshness seal bubble" on the tops of jars to stay down? | And why can't I do it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2pj5b1/eli5_how_do_manufacturers_get_the_little/ | {
"a_id": [
"cmx5u03"
],
"score": [
4
],
"text": [
"You can. /r/canning\n\nYou boil what is inside so the steam pushes out all the atmospheric gasses. Then when the can cools the water vapor condenses (mostly) back to water and leaves a vacuum."
]
} | [] | [] | [
[]
] | |
6d0bpl | how do teeth know how to grow in the pattern so they fit together when you bite down? | How to teeth grow a certain way to fit to themselves? As in upper and lower teeth? And also, What causes teeth to grow crooked and not fit together? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6d0bpl/eli5_how_do_teeth_know_how_to_grow_in_the_pattern/ | {
"a_id": [
"dhyxct5"
],
"score": [
2
],
"text": [
"They don't \"know\". Your body starts out with some stem cells. These are basically cells without an assigned function. They don't know where to go and what to do yet. They just divide. When your cells divide functions do get assigned to the new ... | [] | [] | [
[]
] | |
de4x3u | why doesn’t isopropyl alcohol damage electronics? are there other liquids that also don’t do damage to electrical components? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/de4x3u/eli5_why_doesnt_isopropyl_alcohol_damage/ | {
"a_id": [
"f2ryo8x",
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7,
2,
3,
2,
2
],
"text": [
"it's neither corrosive nor conductive, so it doesn't dissolve or short anything. it also evaporates at low temperatures, so cleanup is a nonissue\n\ncandle wa... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
1mx316 | how does fingerprint authentication store the fingerprint information? | I know how regular password authentication works: the password, "hunter2", is stored as a hash, 2ab96390c7dbe3439de74d0c9b0b1767, then you re-hash and compare when the password is entered.
But fingerprints have way more information and also you may be working from a subset of that information, as if you had "unter2" ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1mx316/eli5_how_does_fingerprint_authentication_store/ | {
"a_id": [
"ccdfyy0"
],
"score": [
3
],
"text": [
"Fingerprint scanners are basically capacitive touchscreens minus the screen part. Fingerprints are made of ridges and valleys. When you press your finger against a scanner, it registers what parts of your finger are ridges and what parts are va... | [] | [] | [
[]
] | |
2tt8jz | would 2 equally loud noises combine to make a louder sound? why or why not? | Like if i dropped 2 of the same object and they hit the ground at the exact same time...would it be louder than dropping one object? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2tt8jz/eli5_would_2_equally_loud_noises_combine_to_make/ | {
"a_id": [
"co243ld",
"co29t7p"
],
"score": [
2,
2
],
"text": [
"Depends on where you're standing. Sound waves can add or cancel as they mix together.\n\n(That's the science behind noise canceling headphones, which actually create a sound that is opposite in phase to the noise it's cancel... | [] | [] | [
[],
[
"https://community.emc.com/servlet/JiveServlet/showImage/38-3215-27965/interference_water_waves.jpg"
]
] | |
3qow2p | since essentially everything nowadays causes cancer, should we just assume that we still don't really know what causes it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3qow2p/eli5_since_essentially_everything_nowadays_causes/ | {
"a_id": [
"cwh1eu9",
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"cwhblf3",
"cwhcvpv",
"cwhd3e9",
"cwhejkw",
"cwhg21g",
"cwhhea3",
"c... | [] | [] | [
[],
[],
[],
[],
[
"http://cisncancer.org/cancer101/what_is_cancer.html"
],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[
"https://youtu.be/2gI0QqqkfHs?t=2m41s",
"https://en.wikipedia.org/wiki/Ames_test",
"http://consumer.healthday.com/cancer-information-5/mis-cancer-news-... | ||
a18tq2 | why are tickets (to concerts, sports events, etc) purchased through third parties (stubhub, ticketmaster, etc) as opposed to directly from the venue hosting the event? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a18tq2/eli5_why_are_tickets_to_concerts_sports_events/ | {
"a_id": [
"eanz7uk"
],
"score": [
2
],
"text": [
"Back in the day you had to buy directly from the venue. You had to get in line and buy paper tickets often having to campout overnight for best seats or for high demand shows. Buying from a ticket seller is much easier for everyone. "
]
} | [] | [] | [
[]
] | ||
4nw02z | us federal income taxes | I realize tax law is vastly complicated. I have heard that there are seven tax brackets, but all of your income is not taxed at the same rate? Or if you get a raise you are taxed more?
Can someone explain the general mechanics behind income taxes? How much of your income is taxed and how is this decided? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4nw02z/eli5_us_federal_income_taxes/ | {
"a_id": [
"d47dh4d"
],
"score": [
6
],
"text": [
"It is complicated, but the part that throws most people is the progressive tax rate. Think about it that instead of you specifically being taxed at one tax rate, each individual dollar you make is taxed at a changing rate. Let's say the first 10,... | [] | [] | [
[]
] | |
1sfqd3 | the negative effects of the industrial revolution | (I'm not sure if this is the right subreddit, feel free to redirect me) | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1sfqd3/eli5_the_negative_effects_of_the_industrial/ | {
"a_id": [
"cdx55fx",
"cdx5c5b",
"cdx5g10"
],
"score": [
2,
2,
2
],
"text": [
"Immediate or long term?\n\nThe immediate negative effects was the lowering of living standards (today we have higher living standards because of it). Working hours increased, deaths due to injury incre... | [] | [] | [
[],
[],
[]
] | |
34m8up | why are motorcycle helmets so heavy when the human neck is comparatively fragile? | Whenever I've worn a motorcycle helmet, I've often been surprised at how heavy it was compared to my neck which keeps it up. I've imagined that if the helmet spun around, the weight of it would snap my neck. Why aren't they made just as durable but lightweight? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/34m8up/eli5_why_are_motorcycle_helmets_so_heavy_when_the/ | {
"a_id": [
"cqvzblq",
"cqvzcyb"
],
"score": [
3,
2
],
"text": [
"Now think about what happens in a car wreck. The body is fastened to the car via seat belt so in an accident, the neck is the moving part which gives you whiplash. In a motorcycle accident , your entire body is in motion as ... | [] | [] | [
[],
[]
] | |
4w395y | how did bugs such as bees and ants come to have "queens"? how did physiologically different creature originate but remain the same species? why is there no "queen" human? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4w395y/eli5_how_did_bugs_such_as_bees_and_ants_come_to/ | {
"a_id": [
"d63mh0t",
"d63n1ib",
"d63oszn",
"d63pvnp",
"d63qjj0",
"d63r5uj"
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"score": [
64,
26,
5,
2,
4,
3
],
"text": [
"Efficiency!\n\nA small number of specialized *breeding caste* is enough to supply eggs for the whole hive. Keep in mind the queen is n... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | ||
8a588c | what makes deer/moose antlers symmetrical? | Straightforward question, since they’re like bones I was wondering why they don’t grow asymetrical. Also, they’re probably not exactly symmetrical but at first glace they are, and that is what I mean. Thank you | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8a588c/eli5_what_makes_deermoose_antlers_symmetrical/ | {
"a_id": [
"dww5dbe"
],
"score": [
3
],
"text": [
"A symmetrical set of antlers are called typical, as opposed to a set of non typical which are not symmetrical. Antlers are \"shed\" and regrow every single year, a mature rocky mountain elk can grow 1 1/2\" in mass a day during the peak. What ... | [] | [] | [
[]
] | |
3amojp | why is the prices of games going up in canada even though the dollar has remained the same for about a year. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3amojp/eli5why_is_the_prices_of_games_going_up_in_canada/ | {
"a_id": [
"cse15pj"
],
"score": [
2
],
"text": [
"There is an ever increasing competition between game makers, and the cost of development is increasing."
]
} | [] | [] | [
[]
] | ||
4wp1qe | if i try to hit a small insect, e.g. a fruit fly, with my hand at high speed, will i hit it or will the air which my hand pushes in front of it will save the insect? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4wp1qe/eli5_if_i_try_to_hit_a_small_insect_eg_a_fruit/ | {
"a_id": [
"d68sflo"
],
"score": [
6
],
"text": [
"The air in front of it will actually be hitting it itself if you swing hard enough. Of course this is way faster than your hand can really go on its own. So it depends on what you mean by 'high speed'.\n\nThat's why the space shuttle coming down ... | [] | [] | [
[]
] | ||
4927xa | in a microwave, can i heat my food on half the heat for twice the time? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4927xa/eli5_in_a_microwave_can_i_heat_my_food_on_half/ | {
"a_id": [
"d0og8bb"
],
"score": [
2
],
"text": [
"Pretty much that is what you can do. You can also in a sense turn it into a slow cooker if you set the power low enough. I do not know if your power level goes low enough, or why you want to do this at all.\n\nI use mine to prepare fine chicken s... | [] | [] | [
[]
] | ||
1kq15k | how do throttleable rocket engines work? | How are liquid fueled rocket engines able to produce variable thrust? Why can they only do this within a certain range? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1kq15k/eli5_how_do_throttleable_rocket_engines_work/ | {
"a_id": [
"cbrgi8d"
],
"score": [
3
],
"text": [
"Simply put you alter the fuel flow using pumps on the fuel line. More fuel means more thrust being generated in the combustion chamber.\n\nDue to the inability of the pumps to work arbitrarily fast and the inability of the combustion chamber to h... | [] | [] | [
[]
] | |
5m76k4 | why does shaking (like in a train or bus) and rocking a baby's crib help us sleep? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5m76k4/eli5_why_does_shaking_like_in_a_train_or_bus_and/ | {
"a_id": [
"dc1cygs"
],
"score": [
6
],
"text": [
"I am going to take a dig at this. I think the exact word you are looking for is \"Rocking to sleep\".\n\nAs to why Rocking helps us sleep, it is a matter of brain waves.\n\nFirstly, we have been put to sleep a hundred times since our birth by gen... | [] | [] | [
[
"http://www.cell.com/current-biology/fulltext/S0960-9822(11)00539-2"
]
] | ||
l5y7v | why couldn't you lose weight by just not eating until you were thin? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/l5y7v/eli5_why_couldnt_you_lose_weight_by_just_not/ | {
"a_id": [
"c2q1kqw",
"c2q1nf6",
"c2q1kqw",
"c2q1nf6"
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"score": [
2,
22,
2,
22
],
"text": [
"Your body can't produce all of the various things it needs to function properly on it's own. That's why we eat: it provides us with energy, as well as vitamins, proteins, etc, th... | [] | [] | [
[],
[],
[],
[]
] | ||
9qk271 | why is airplane fuel measured by weight instead of volume? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9qk271/eli5_why_is_airplane_fuel_measured_by_weight/ | {
"a_id": [
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50,
4,
2,
8,
7
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"text": [
"Many aircraft are limited by their “maximum gross weight” for takeoff and/ or landing. It makes the math easier when you don’t need to multiply the gallons b... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
3jwah1 | why are some photographs considered art? | Some photographs by certain people are worth a lot of money but others of almost the exact same thing are worth anything at all. Why is there a difference? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3jwah1/eli5_why_are_some_photographs_considered_art/ | {
"a_id": [
"custnmg"
],
"score": [
5
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"text": [
"From google:\n\nart\n\nnoun: art; plural noun: arts; plural noun: the arts\n\n1. the expression or application of human creative skill **and imagination**, typically in a visual form such as painting or sculpture, producing works to be appreciate... | [] | [] | [
[]
] | |
5ettnl | what's happening in our brain when we're looking for an object, but we're actually holding it in our hand? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ettnl/eli5_whats_happening_in_our_brain_when_were/ | {
"a_id": [
"daf4gwj",
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"dafzr0v"
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"score": [
3,
25,
4,
10,
6,
8,
2,
2
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"text": [
"You can think about the brain working in 2 modes, one is the Subconscious mod (or auto-pil... | [] | [] | [
[
"objects.In"
],
[],
[],
[
"https://www.youtube.com/watch?v=vJG698U2Mvo"
],
[],
[],
[],
[]
] | ||
1zgkoh | what makes elevators so safe? seems like few deaths occur on what seems like a potentially dangerous machine. | Uberfacts' Twitter account shared a statistic that there were ~12,000 stairs-related deaths every year vs. only 27 for elevators.
Edit: Thanks to all for the explanations. I had an inkling that fail safes were in place but I was unawares of how they worked. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1zgkoh/eli5_what_makes_elevators_so_safe_seems_like_few/ | {
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"text": [
"Elevators have many safety features built in whereas stairs, well, there's no accounting for stupidity. How hard i... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | |
325mzk | numbers and letters on processor model? | Ex: Core i7-4710HQ @ 2.5 GHz
What does that all mean? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/325mzk/eli5_numbers_and_letters_on_processor_model/ | {
"a_id": [
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"score": [
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"text": [
"For starters, that's an Intel Chip. \n\ni7 is the product line. i3 is entry level, i5 is a step up, i7 is higher end.\n\n4710HQ is the model, which is assigned to that specific chip.\n\n4=4th generation (the current generati... | [] | [] | [
[],
[]
] | |
8ywy5p | why is mouth breathing bad for humans and why are we able to do it? | Some of youtube videos I listened to recently said that mouth breathing cause facial problems like a recessed chin and sinus problems. Some guy named Dr. Mike Mew even claims it causes crowding in the teeth. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8ywy5p/eli5_why_is_mouth_breathing_bad_for_humans_and/ | {
"a_id": [
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"text": [
"They don’t really say that mouth breathing is bad it’s just that breathing through your nose is better... the hairs in your nose “filter” the air hence why you get boogers(they are the “bad” stuff in the air)",
"Breathin... | [] | [] | [
[],
[]
] | |
6dun97 | why aren't more uplifting, good news (the ones that put faith in humanity) shown in journalism? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6dun97/eli5_why_arent_more_uplifting_good_news_the_ones/ | {
"a_id": [
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"score": [
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"text": [
"It is not really wanted by the public. Good news, while uplifting is not entertaining to the majority of people. If it is not entertaining then fewer people will buy the newspaper, watch the news broadc... | [] | [] | [
[],
[],
[]
] | ||
b6x6m8 | how do you explain that depak chopra and other woo woo new age pseudo science/medicine is bogus to someone that is deeply invested in them? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b6x6m8/eli5_how_do_you_explain_that_depak_chopra_and/ | {
"a_id": [
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"score": [
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"text": [
"Sounds like it is trying to take advantage of the placebo effect, a real phenomenon. Honestly, people who are deeply invested in these pseudosciences usually will not listen to reason and they will reject any evidence that doesn’t support their b... | [] | [] | [
[]
] |
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