q_id stringlengths 5 6 | title stringlengths 3 296 | selftext stringlengths 0 34k | document stringclasses 1
value | subreddit stringclasses 1
value | url stringlengths 4 110 | answers dict | title_urls list | selftext_urls list | answers_urls list |
|---|---|---|---|---|---|---|---|---|---|
5q6x4m | how to get reliable internet | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5q6x4m/eli5_how_to_get_reliable_internet/ | {
"a_id": [
"dcwswum"
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"score": [
3
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"text": [
"You want to get a second opinon from another internet provider. It's possible your current provider may not have good service in your area "
]
} | [] | [] | [
[]
] | ||
8sn0lb | how do they pressurize bottles before the cap gets put on? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8sn0lb/eli5_how_do_they_pressurize_bottles_before_the/ | {
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"score": [
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"text": [
"Depends. With beer it goes into the bottles flat but they add yeast. The yeast its the starches in the beer and burps out gas. That's what makes it fizzy and gives the bottle pressure. With sodas(I'... | [] | [] | [
[],
[],
[]
] | ||
d1hrwp | why can animals foster different species with their breastmilk but humans only really do well with human breastmilk? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/d1hrwp/eli5_why_can_animals_foster_different_species/ | {
"a_id": [
"ezluyc5",
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"score": [
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"text": [
"well that's not really true in a sense. We drink other animals milk because its easier for use to obtain, plus it generally has most nutrients that help us grow. Given that we consider it unethical to drink human milk (as ad... | [] | [] | [
[],
[]
] | ||
bgo6mc | why is walking healthier than running? | I've read articles on the subject but none explain why pushing yourself in bursts isn't as good for you as a brisk walk. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bgo6mc/eli5_why_is_walking_healthier_than_running/ | {
"a_id": [
"elmcaku",
"elmi886"
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"score": [
7,
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"text": [
"I know I learned this awhile ago, so I hope I'm remembering correctly.\n\nRunning puts more strain on your body. Your muscles have to contract faster and each steps lands harder putting more pressure on your joints. This can... | [] | [] | [
[],
[]
] | |
217m24 | why so much hate towards russians? | Hi, I been on Reddit for a while now and often I see some negative comment about Russians being up voted a lot. This become even more intense due to the situation in Crimea. Not only Russia is portrayed as some evil aggressive country, but russian people as well. It surprises me since Russia did not invaded, or broke b... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/217m24/eli5why_so_much_hate_towards_russians/ | {
"a_id": [
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"text": [
"I can't tell you why people don't like Russians (although I'm unsure that's true), but I can assure you Russia DID invade the borders of Afghanistan..30 years before America did. \n\n\nEdit- downvote aw... | [] | [] | [
[],
[],
[]
] | |
4k5qfc | what is the difference between hue, saturation, brightness, contrast and tone? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4k5qfc/eli5_what_is_the_difference_between_hue/ | {
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"text": [
"It's different depending on the program/software. \n \nI believe hue has to do with the wavelength of light. If you imagine a color wheel, adjusting the hu... | [] | [] | [
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"https://aroundthelochin80days.files.wordpress.com/2013/08/snh-gull-blog-1.jpg",
"http://blog.epicedits.com/wp-content/uploads/histogram-sample-low-contrast-500.jpg"
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[
"http://www.oklo.org/wp-content/images/colorspace.gif"
],
[
"https://upload.wikimedia.org/wikipedia/commons/thumb/a/a0/... | |
5glzuf | how does the justice system come up with counts of murder? | I was just reading the Charleston, SC trial of Roof where he killed 9 people, yet he faces 33 counts of murder in court. how did they get 33 counts from 9 murders? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5glzuf/eli5_how_does_the_justice_system_come_up_with/ | {
"a_id": [
"dat8sh9",
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"text": [
" > [H]ow did they get 33 counts from 9 murders?\n \nThey didn't: \n \n > Roof faces 33 federal charges: nine counts of violating the Hate Crime Act resulting in death; three counts of violating the Hate Crime Act involvi... | [] | [] | [
[],
[]
] | |
kebaw | how does a submarine stay under water for long periods of time without killing the people inside? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/kebaw/how_does_a_submarine_stay_under_water_for_long/ | {
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"text": [
"The air we breathe out contains a bad gas our bodys discard called carbon dioxide. If we can't get fresh air, the carbon dioxide builds up in our body and we die. When we walk ... | [] | [] | [
[
"http://express.howstuffworks.com/express-submarine2.htm"
],
[],
[
"http://express.howstuffworks.com/express-submarine2.htm"
],
[]
] | ||
4u0eb9 | when laying in bed after swimming in the ocean, why does it feel like your body is still moving? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4u0eb9/eli5_when_laying_in_bed_after_swimming_in_the/ | {
"a_id": [
"d5ls36u",
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"score": [
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13,
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"text": [
"Your brain adjusts to normalize your environment. It's why something like wave motion gets less notceable the longer you live with it. After a while your brain starts filtering it out and adjusting ... | [] | [] | [
[],
[],
[]
] | ||
csf7qw | how do headphones work? (as in how does electricity get turned into sound) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/csf7qw/eli5_how_do_headphones_work_as_in_how_does/ | {
"a_id": [
"exedn5d",
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"score": [
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],
"text": [
"Headphones are just speakers writ small, so let's discuss speakers.\n\nA speaker, fundamentally, is a cone of some sort of material, attached to something called a \"voice coil.\" The voice coil is essentially just a coil o... | [] | [] | [
[],
[]
] | ||
ayzcoq | what does it mean to "break up" a big tech company like google (or any big company) ? if google suddenly became three constituent companies, what would change? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ayzcoq/eli5_what_does_it_mean_to_break_up_a_big_tech/ | {
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"text": [
"There are many parts to this. Here's a couple of thoughts:\n\n* The separated parts wouldn't have access to data collected by the others. This improves privacy because no single c... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Alphabet_Inc"
],
[],
[]
] | ||
3gu7np | why does facebook advertise on facebook? | It seems a little redundant, and to my mind makes them seem needy... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3gu7np/eli5_why_does_facebook_advertise_on_facebook/ | {
"a_id": [
"cu1iwi1",
"cu1jer9"
],
"score": [
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"text": [
"No one knows for sure except Facebook themselves, and I'm sure they are under orders not to tell you. But, there are a few reasons a company might do this:\n\n- As a placeholder ad, to show their clients where an ad could g... | [] | [] | [
[],
[]
] | |
6z1nu0 | what exactly is sids (sudden infant death syndrome)? why does sids happen? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6z1nu0/eli5_what_exactly_is_sids_sudden_infant_death/ | {
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284,
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... | [] | [] | [
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"https://www.google.com.au/search?client=safari&hl=en-au&q=sids+safe+sleeping+poster&sa=X&ved=0ahUKEwjPjePu4pjWAhXHvbwKHTgBAuAQ1QIImgEoAA&biw=320&bih=529#imgdii=ZM_g3zrkrPoTDM:&imgrc=MpZC9tBRK02KfM"
],
[],
[],
[],
[],
[],
[
"http://www.parentingscience... | ||
6uuros | how can diabetes cause a loss of eyesight? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6uuros/eli5_how_can_diabetes_cause_a_loss_of_eyesight/ | {
"a_id": [
"dlvkcb6",
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"score": [
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5
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"text": [
"Diabetes causes damage to various soft tissues of the body, including the blood vessels that feed the eyes, and at times the eyes themselves. Most of the damage that diabetes does is from damage to blood vessels. ",
"Unc... | [] | [] | [
[],
[]
] | ||
2hqptu | why is it easier to tear something after you've put a starter cut into it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2hqptu/eli5_why_is_it_easier_to_tear_something_after/ | {
"a_id": [
"ckv55ey"
],
"score": [
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"text": [
"When you try to tear something without a cut all of the stress is spread out over the whole piece.\n\nAfter you make a cut the stress concentrates at the tip. This makes the tear easier."
]
} | [] | [] | [
[]
] | ||
2yr8p2 | why do large companies destroy unused products instead of donating them? | I've read articles and seen videos of large companies who basically destroy all unused items that they don't sell. This could be clothing, furniture, video games, appliances, etc. Instead of donating them to a charity, or hospital, or something like that, they intentionally destroy them. Why? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2yr8p2/eli5_why_do_large_companies_destroy_unused/ | {
"a_id": [
"cpc7chj"
],
"score": [
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"text": [
"If people knew that they could not buy the item and just wait and it would be donated to them, then they would stop buying the item.\n\nWhen people work to get donations \"in kind\", this is one of the key things they work on, convincing the comp... | [] | [] | [
[]
] | |
4pcow9 | possible to go from frozen food to super hot in < 5 minutes with a < 100 $ appliance (micro-wave). can we do the reverse ? if not, why ? | Can we do the reverse, i.e. super hot food to frozen in less than 5 minutes with < 100 $ appliance ? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4pcow9/eli5_possible_to_go_from_frozen_food_to_super_hot/ | {
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"text": [
"No, you can't. Microwaves are a way of putting radiant energy into the food which heats it up. But we don't have \"negative microwaves\" to take heat out of the food.\n\nFor an an... | [] | [] | [
[],
[],
[],
[]
] | |
87b45x | how come whenever you peel a callus off of your hand, the callus grows back instead of fresh skin? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/87b45x/eli5_how_come_whenever_you_peel_a_callus_off_of/ | {
"a_id": [
"dwbm7zc",
"dwbqe54"
],
"score": [
13,
10
],
"text": [
"A callus is a defense reaction to something that is harsh on the skin. If you treat the skin harshly, you signal the body to make more callus, because it is obviously needed.",
"Callouses are built up because your body... | [] | [] | [
[],
[]
] | ||
5iba8r | is there any statistical differences between the chances of rolling a specific number on two 6 sided dice or one 12 sided dice? | For example if I wanted to roll an 8, are the odds different? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5iba8r/eli5_is_there_any_statistical_differences_between/ | {
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"score": [
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2,
3
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"text": [
"If talking about the sum of two sided dice, rolling those would yield a higher probability of an 8 than a single 12 sided die.\n\n\nOn a d12 only one outcome... | [] | [] | [
[],
[],
[],
[],
[]
] | |
2309ub | if our body's natural reaction to an inury is to enflame and increase bloodflow, why do we ice it to do just the opposite? | Doesn't our body know what is best? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2309ub/eli5_if_our_bodys_natural_reaction_to_an_inury_is/ | {
"a_id": [
"cgs4oru",
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"score": [
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42,
19
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"text": [
"Because at this point, we've become better at healing ourselves than the body is. Inflammation serves to increase bloodflow, cut off infection from the rest of your body, and heal the area. If you're ... | [] | [] | [
[],
[],
[]
] | |
1qq9my | why do british people call their currency "quid" instead of "pounds"? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1qq9my/eli5_why_do_british_people_call_their_currency/ | {
"a_id": [
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"score": [
2,
12,
2
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"text": [
"It's like \"bucks\" as in \"20 bucks, same as in town\"",
"They call it both. \"Quid\" is informal, like an American saying \"bucks\" instead of \"dollars\".\n\n\"Quid\" likely derives from the La... | [] | [] | [
[],
[],
[]
] | ||
5ooe9y | why is some snow good for creating snowballs and snowmans while some isn't? | Pretty much the title. My first guess is the temperature of the snow or the difference between dry and damp snow. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ooe9y/eli5_why_is_some_snow_good_for_creating_snowballs/ | {
"a_id": [
"dckttiy"
],
"score": [
4
],
"text": [
"wet heavy snow sticks to itself and makes great snow balls. dry powdery snow does not. very cold snow is usually the dry powder like kind, snow closer to melting is the wet heavier kind that makes great snowballs"
]
} | [] | [] | [
[]
] | |
82k3es | how exactly did people kill soldiers wearing heavy armour(the type from and medieval movies among others) with only swords and arrows throughout history? | Plus, how did the people wearing these armours have the stamina to fight in battles? Wouldn't they be exhausted after fighting only one person who also happened to be wearing similar armour?
Assuming all these movies accurately represent how battles and wars were.
Example of the armour I'm talking about:
_URL_0_
As... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/82k3es/eli5_how_exactly_did_people_kill_soldiers_wearing/ | {
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"text": [
"There were usually some gaps between the armor pieces. Also you cou... | [] | [
"http://www.medievalcollectibles.com/images/Product/large/ED6223.png"
] | [
[],
[],
[],
[],
[],
[],
[],
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[
"https://youtu.be/5hlIUrd7d1Q"
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cx7xvy | how come we can enter autopilot mode when doing a routine? | When im riding my bike to school every day I'll sometimes enter autopilot for a certain amount of the route and have no knowledge of what I saw or heard during that time when I switch back to manual. How does this happen? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cx7xvy/eli5_how_come_we_can_enter_autopilot_mode_when/ | {
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"eyjll9m",
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12,
8,
2
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"text": [
"You do that constantly. When was the last time you had to consciously think about how to move your fingers in order to type, which muscles to contract in order to walk, or what to do when driving a bic... | [] | [] | [
[],
[],
[]
] | |
2pdx6i | why are companies allowed to use the term "natural flavour" to keep their proprietary recipe secret, preventing someone with a life-threatening allergy from knowing if they can consume it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2pdx6i/eli5_why_are_companies_allowed_to_use_the_term/ | {
"a_id": [
"cmvr5x3",
"cmvrd95",
"cmvrlwr",
"cmvvthc"
],
"score": [
8,
7,
5,
3
],
"text": [
"Because then no one would buy their \"beaver anus\" flavored foods.",
"I don't think that listing \"natural flavors\" exempts you from putting allergy information on your packa... | [] | [] | [
[],
[],
[],
[]
] | ||
55szt5 | measuring ionising radiation. rad, rem, roentgen, curie, sievert, gray... how are all of these different scales used? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/55szt5/eli5_measuring_ionising_radiation_rad_rem/ | {
"a_id": [
"d8de45z"
],
"score": [
2
],
"text": [
"I'll C & P an older post of mine that should hopefully answer what you need.\n\n > Okay, so you've got a bunch of different terms all pertaining to radiation. A few are redundant (as in one is the older term, now replaced with a newer unit), but ... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Sievert#/media/File:SI_Radiation_dose_units.png"
]
] | ||
2cdd3r | why don't games consoles crash anywhere near as often as pcs? | Great answers, guys. Thanks. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2cdd3r/eli5_why_dont_games_consoles_crash_anywhere_near/ | {
"a_id": [
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"score": [
13,
2,
5
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"text": [
"Consoles are closed systems. Developers know EXACTLY what will be running beside their game. On a PC the user can have ANYTHING running on their computer alongside the game. This includes viruses, impr... | [] | [] | [
[],
[],
[]
] | |
4pe9i1 | what purpose does ethanol serve in gasoline? | I always see the signs when I'm filling up that say "10% ethanol", but I never give it a second thought. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4pe9i1/eli5_what_purpose_does_ethanol_serve_in_gasoline/ | {
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"text": [
"In the US, the purpose of E10 gas is to subsidize corn farmers.\n\nIn the US nearly all ethanol fuel is made from corn. That is something that grows well in the US, but is not really that great a crop ... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Methyl_tert-butyl_ether"
],
[]
] | |
6thf4n | how and when conservatism got attached to anti-science ideas? | Whether it be US or India, there is a general trend that Conservative political parties are either backward in science or proponent of anti-science ideas. Why is it so? If my perception is wrong, please feel free give examples. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6thf4n/eli5_how_and_when_conservatism_got_attached_to/ | {
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"text": [
"Generally this happens because conservative parties have a common cause with religious conservatives, who may hav... | [] | [] | [
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aqz6d9 | why are super capacitors good replacement for batteries? | I seen this topic poping out in a lot of articles. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/aqz6d9/eli5_why_are_super_capacitors_good_replacement/ | {
"a_id": [
"egjobna",
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"score": [
3,
2
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"text": [
"They're not good replacement for batteries in most cases. This is due to their high leakage current, in other words, their rapid self-discharge rate. \n\nThey're good for storing energy over short periods of a few seconds to... | [] | [] | [
[],
[]
] | |
5wj2zm | what makes honey beneficial for wound healing? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5wj2zm/eli5what_makes_honey_beneficial_for_wound_healing/ | {
"a_id": [
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"text": [
"It has a wide array essential proteins that are complete enough to get a bee out of and its also naturally anti microbial so it serves to nourish, protect and defend "
]
} | [] | [] | [
[]
] | ||
wwoh6 | the strauss-howe generational theory | _URL_0_
What are each of the Turnings mean / symbolize? What are each of the archetypes?
How does this apply to the lost generation (the people that are born between 1985-1995) being unemployed? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/wwoh6/eli5_the_strausshowe_generational_theory/ | {
"a_id": [
"c5h427j"
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"score": [
3
],
"text": [
"The people born between 1985-1995 are not the lost generation. The Millenials branch from ~1982-~1996 (Still debates concerning this). The Lost Generation of this past saeculum is Gen X. \nNow, as to how the Millenials are jobless: the institutio... | [] | [
"http://en.wikipedia.org/wiki/Strauss-Howe_generational_theory"
] | [
[]
] | |
1sqirx | ranking in search engines (google, bing, youtube etc.) | I'd like to know which parameters affect the results in what way. Obviously, the text should be on the website, but what about the so called pagerank and personalized search and stuff? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1sqirx/eli5_ranking_in_search_engines_google_bing/ | {
"a_id": [
"ce09o32"
],
"score": [
2
],
"text": [
"This question's answer is way more in detail to be answered in eli5. \n\nYou can take courses and will have to learn a lot. Its not that difficult but depending on what you are trying to rank on which site will determine how much work you do.\n\n... | [] | [] | [
[]
] | |
fvha5v | why is it easier to carry water in a cup versus a bowl? | It's way easier to not spill fluids carried in a cup, and I've noticed that it's the same for large "cups" like pitchers. The diameter of a pitcher is close to that of a bowl, yet it's still far easier to carry water without spilling it in a pitcher. Why is this? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fvha5v/eli5_why_is_it_easier_to_carry_water_in_a_cup/ | {
"a_id": [
"fmid4gh",
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"score": [
4,
3,
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"text": [
"A cup fits better in your hand than a bowl does. So you have a firmer grip. Cups are also more steep compared to bowls so the water is less likely to slip out.",
"assuming we e... | [] | [] | [
[],
[],
[],
[]
] | |
e68fgl | why does the flu shot need to be in the arm? is there a reason besides comfort? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/e68fgl/eli5_why_does_the_flu_shot_need_to_be_in_the_arm/ | {
"a_id": [
"f9ogs4m",
"f9oh7ip",
"f9oo1jz"
],
"score": [
25,
7,
6
],
"text": [
"It needs to be in a large-ish muscle, and your upper arm is a convenient muscle to use since it doesn't require you to de-pants.",
"The arm is a muscle that's easy to get to, without removing cloth... | [] | [] | [
[],
[],
[]
] | ||
2k0ee9 | why does a large percentage of black people dislike ronald reagan? | I listen to a lot of hip-hop and many rappers talk about the hatred they have for Ronald Reagan or "Reaganomics."
What exactly makes him so bad? I've heard things about prisons, welfare, and the war on drugs but nothing specifically. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2k0ee9/eli5_why_does_a_large_percentage_of_black_people/ | {
"a_id": [
"clgqf72",
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"score": [
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13,
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"text": [
"The easiest and simplest reason is the same reason that most Democratic don't like Ronald Reagan. Reagan's ideas were contrary to typical Democratic ideas, but Reagan had a lot of... | [] | [] | [
[],
[],
[],
[]
] | |
21iaeh | what are the predicted economic effects of the mounting student debt being placed on college students in the u.s.? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/21iaeh/eli5_what_are_the_predicted_economic_effects_of/ | {
"a_id": [
"cgdc7mb",
"cgdckvu",
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"score": [
2,
3,
3
],
"text": [
"My personal prediction is that it will lead to people getting their heads out of their ass about everybody needing to go to college. You can be a plumber and go to trade school and make $80,000+ easily ... | [] | [] | [
[],
[],
[
"http://www.forbes.com/sites/specialfeatures/2013/08/07/how-the-college-debt-is-crippling-students-parents-and-the-economy/"
]
] | ||
2chk33 | why is dancing generally thought to be feminine or even gay for men? | Is there some historical reason for this or how did it come to this? Obviously there are many styles. For partner dances, it's perfectly acceptable for both genders most of the time anyway, but solo dancers, it's often considered weird for there to be male dancers. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2chk33/eli5_why_is_dancing_generally_thought_to_be/ | {
"a_id": [
"cjfjy62"
],
"score": [
2
],
"text": [
"Uh...where do you live? "
]
} | [] | [] | [
[]
] | |
2egr7l | what happens if two permanent members of the un security council go to war? | Would the system just break down? Would the U.N.basically pause until the war ended? I can't seem to find protocol for permanent security council members going to war. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2egr7l/eli5_what_happens_if_two_permanent_members_of_the/ | {
"a_id": [
"cjzbmj4",
"cjzcb22",
"cjzclih"
],
"score": [
10,
6,
3
],
"text": [
"The UN would be powerless to intervene -- just as it is any time any member of the Security Council goes to war.",
"The UN was founded under the assumption that open war between major powers would ... | [] | [] | [
[],
[],
[
"http://www.un.org/en/aboutun/structure/org_chart.shtml"
]
] | |
1iwge8 | why does technology default to december 31st, 1969 whenever it doesnt know the date or for some reason doesnt display the correct date? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1iwge8/eli5_why_does_technology_default_to_december_31st/ | {
"a_id": [
"cb8pa8q",
"cb8paxl"
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"score": [
7,
6
],
"text": [
"This is going to give you the best answer: _URL_0_\n",
"Unix first came out January 1st, 1970, and starts it's date as a count from there. Sometimes, the count for the date gets set to 0, which would be before 1/1/1970,... | [] | [] | [
[
"http://mentalfloss.com/article/26316/why-does-my-gadget-say-its-december-31-1969"
],
[]
] | ||
1ehm92 | why does the volume meter from 50-100% change very little sound compared to the 1-50% range on my computer? | I've always noticed this and it's especially noticeable on sites like grooveshark or pandora. The scale of volume doesn't seem very linear and the 50-100 area has very minimal noticeable difference in volume. I feel like most of the time, I'm really only using the 1-20% area. Thanks! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ehm92/eli5why_does_the_volume_meter_from_50100_change/ | {
"a_id": [
"ca0be9g",
"ca0clc1"
],
"score": [
3,
7
],
"text": [
"The way the brain works it \"dampens\" loud volumes. In short, your volume does get proportionally louder, you just don't perceive it as such.",
"the problem comes from the difference between linear and geometric growth.... | [] | [] | [
[],
[]
] | |
xjfyu | how do reddit urls still work even after putting 2 random letters before the '_url_0_' part? | Try typing any two letters before the _URL_0_ part
*Ex: try typing in your address bar "se._URL_0_/r/funny"*
Somehow, it still redirects to that subreddit.
You can do this with any two letters but no more than two or else it will go to a 404 page.
**My question is:** How is this possible? What do those two letters ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/xjfyu/how_do_reddit_urls_still_work_even_after_putting/ | {
"a_id": [
"c5mw3pk"
],
"score": [
7
],
"text": [
"everything before \"._URL_0_\" gets sent to reddit, that stuff is normally referred to as a \"subdomain\" (_URL_0_ is the domain) and your browser doesn't really need to know what to do with it. It just knows, for example:\n\nABC._URL_0_\n\nLet's... | [
"reddit.com"
] | [
"reddit.com",
"se.reddit.com/r/funny\"*"
] | [
[
"reddit.com",
"ABC.reddit.com"
]
] | |
6knazc | how do fire extinguishers work for electrical fires and metal fires? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6knazc/eli5_how_do_fire_extinguishers_work_for/ | {
"a_id": [
"djnbcx8"
],
"score": [
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],
"text": [
"They basically all work on the same principle, which is to exclude oxygen and dissipate or absorb heat. \n\nFor metal fires, you would use a Class D extinguisher, which shoots dry powder at the fire. This powder can be any number of different c... | [] | [] | [
[]
] | ||
2nwvak | why is it the west *coast* but the eastern *seaboard?* | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2nwvak/eli5_why_is_it_the_west_coast_but_the_eastern/ | {
"a_id": [
"cmhntfh"
],
"score": [
2
],
"text": [
"\"Coast\" and \"Seaboard\" can be interchangeable.\n\nYou may say West Coast, Western Seaboard, East Coast, Eastern Seaboard.\n\n(For proper distinction, a coast is just where land meets the sea, and a seaboard means a region boarding the sea.)"
... | [] | [] | [
[]
] | ||
5psyik | is sparkling water just as hydrating as plain water? | Sometimes I like to drink flavored (no sugars/sweeteners) sparkling water throughout the day in addition to plain water. Is it still a good way to stay hydrated? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5psyik/eli5_is_sparkling_water_just_as_hydrating_as/ | {
"a_id": [
"dctkw4f",
"dctoian"
],
"score": [
2,
3
],
"text": [
"Sparkling water just has dissolved co2 in it so yes it is just as hydrating as water as it just is water. Technically if you have 1 liter of regular water and 1liter of sparkling water the regular water may have slightly mor... | [] | [] | [
[],
[]
] | |
16i006 | could someone explain to my 5 year old why there are halos around our streetlights at night? | I guess it must have something to do with optics and I suck at it. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/16i006/could_someone_explain_to_my_5_year_old_why_there/ | {
"a_id": [
"c7w8emt",
"c7wdvf3"
],
"score": [
3,
2
],
"text": [
"Night is colder than day, thus humidity is denser and light refracts through the water in the air.",
"Take your kid out on a cold night, with a flashlight. Cold enought to make your breath nice and steamy. \nNow point th... | [] | [] | [
[],
[]
] | |
ffdkdn | how does betting on fights work, especially in a tournament setting where there are multiple fights? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ffdkdn/eli5_how_does_betting_on_fights_work_especially/ | {
"a_id": [
"fjxoxd4"
],
"score": [
2
],
"text": [
"The same as horse racing. Bet on the favorite and you will win less for your money. If you bet on the long shot, you can have a huge payday.\n\n When Mike Tyson fought Buster Douglas, the odds were 42 to 1. If you bet 100 on Douglas, you would h... | [] | [] | [
[]
] | ||
7tgtsj | who/what decides which words get translated between languages and which ones don't? | For instance, there's no English word for taco. But we transalte a lot of country names despite them being proper nouns (not sure if that makes a difference). | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7tgtsj/eli5_whowhat_decides_which_words_get_translated/ | {
"a_id": [
"dtcdq22"
],
"score": [
3
],
"text": [
"We don't \"translate\" country's names, exactly. Instead, we have historical names for countries that were popular way back before the actual country in question even existed. For example, \"Germany\" comes from the Latin *Germania*, which was ... | [] | [] | [
[]
] | |
2okca8 | why were the five good emperors considered "good" by historians? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2okca8/eli5_why_were_the_five_good_emperors_considered/ | {
"a_id": [
"cmny2ts"
],
"score": [
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"text": [
"_URL_0_\n\nThey were considered good because they sere successful during their reigns (Nerva less so, but he started that series of five adopted emperors). Part of that may be due to the fact that the succession was not biological; rather, each o... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Nerva%E2%80%93Antonine_dynasty#Five_Good_Emperors"
]
] | ||
6hr8a4 | avoiding paying student loans | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6hr8a4/eli5_avoiding_paying_student_loans/ | {
"a_id": [
"dj0irhq"
],
"score": [
3
],
"text": [
"If he works in the US, then no not really. The number 1 way debt would be collected is wage garnishments. Property liens are popular too. Bank levies while authorized are lower on the list of collection methods. That being said if he got paid und... | [] | [] | [
[]
] | ||
3u758v | how does jumpstarting a manual vehicle work? | I have seen this on numerous occasions where there are people behind a vehicle pushing to get the engine started. I have looked it up a bit and found out it only applies to manual vehicles. How does physically accelerating a vehicle helps it to jumpstart? And how is it different from a battery start? Thanks in advance. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3u758v/eli5_how_does_jumpstarting_a_manual_vehicle_work/ | {
"a_id": [
"cxcg0i3"
],
"score": [
3
],
"text": [
"That's push-starting, not jump-starting.\n\nWhen you turn the key on a car, an electric motor spins the engine until you let go. If you've a flat battery there's not enough juice to run the starter, but probably enough to run the ignition. \n\nBy... | [] | [] | [
[]
] | |
ft5eya | ; why is it we can watch horror movies/crime documentaries etc with plenty dead bodies and gore without being affected yet if we were to witness something similar in real life we would be traumatised? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ft5eya/eli5_why_is_it_we_can_watch_horror_moviescrime/ | {
"a_id": [
"fm53b1i",
"fm56ylh",
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"score": [
8,
3,
2
],
"text": [
"Because despite what the media tells you, being exposed to violence that we know is fake does **not** actually desensitize us. \n\nIf you watch a video that you know is fake violence you’ll have less o... | [] | [] | [
[],
[],
[]
] | ||
51twbb | why do they use reverse osmosis to purify sea water instead of just distilling it? | Wouldn't it be just as efficient and cheaper? Or am I misunderstanding how distillation/reverse osmosis works? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/51twbb/eli5_why_do_they_use_reverse_osmosis_to_purify/ | {
"a_id": [
"d7etcow",
"d7ewd59",
"d7ex5qg"
],
"score": [
7,
3,
4
],
"text": [
"Almost every question which includes \"just\" gravely underestimates what follows.\n\nIn this case, boiling water requires an absurd amount of thermal energy. Distilling it is very simple, but very high... | [] | [] | [
[],
[],
[]
] | |
6scbjj | why do iphone's retain their value as opposed to android phones? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6scbjj/eli5_why_do_iphones_retain_their_value_as_opposed/ | {
"a_id": [
"dlbmxhu",
"dlbmy3x",
"dlbnfvf"
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"score": [
4,
3,
3
],
"text": [
"I would guess that it's because there is more demand for used iPhones.\n\nPeople who want an iPhone, but can't afford a brand new top-of-the-range phone, will buy used iPhones.\n\nWhereas people who wan... | [] | [] | [
[],
[],
[]
] | ||
73663g | why can we easily distinguish between faces in photorealistic games and real faces? | Graphics have improved a lot, I admit. Many photorealistic games are indistinguishable from actual photos, except when human faces are there. What exactly is the difference? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/73663g/eli5_why_can_we_easily_distinguish_between_faces/ | {
"a_id": [
"dnnx8hh",
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"score": [
15,
4,
3
],
"text": [
" > Many photorealistic games are indistinguishable from actual photos, except when human faces are there. What exactly is the difference?\n\nThe difference is *you*. Humans are highly adapted to recog... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Subsurface_scattering"
],
[]
] | |
41uf55 | how do certain name abbreviations/nicknames evolve? i.e. william-bill, margaret-peggy, robert-bob...ect. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/41uf55/eli5_how_do_certain_name_abbreviationsnicknames/ | {
"a_id": [
"cz57jce",
"cz58nap"
],
"score": [
10,
4
],
"text": [
"A lot of the time it's just to shorten and because they rhyme. People often shorten names to show their friendship and because they are easier to write/say.\n\nFor example, in the 12th century Rick, Rich, Dick, and Richard ... | [] | [] | [
[],
[]
] | ||
1jfvtt | ell5 how do you make a child bilingual? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1jfvtt/ell5_how_do_you_make_a_child_bilingual/ | {
"a_id": [
"cbepcmz",
"cbepvjg"
],
"score": [
2,
2
],
"text": [
"Probably the easiest way is to have two parents who speak different languages.\n\nMy niece is bilingual. My brother speaks English; my sister-in-law, although she speaks good English, has Hebrew as her first language.\n\nFro... | [] | [] | [
[],
[]
] | ||
3d6olb | why don't people eat swans? | It looks like it would be delicious. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3d6olb/eli5why_dont_people_eat_swans/ | {
"a_id": [
"ct2aaav",
"ct2ahjc",
"ct2aifa"
],
"score": [
3,
6,
3
],
"text": [
"We don't eat a lot of things simply for cultural reasons.\n\nMost Westerners don't eat dog or cat, because of their intimate association as pets. People from other countries don't have that taboo. The... | [] | [] | [
[],
[],
[]
] | |
6ztrng | what is the difference between a patent and an idea? | I have read somewhere that a patent is something already produced, while an idea is the motivation behind the produced thing. This explanation might lack some accuracy, since you cannot *produce* every idea. Think about amazon's patent for the airborne-drone-center. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6ztrng/eli5_what_is_the_difference_between_a_patent_and/ | {
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"dmxy16r",
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"score": [
2,
5,
2,
2
],
"text": [
" A patent is much more than an idea, but it does not require that you actually produce anything. A patent is a legal document giving you temporary ownership of a new idea you have ... | [] | [] | [
[],
[],
[],
[]
] | |
6mrdb0 | how casinos can have people smoking inside and not have smoke detectors go off | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6mrdb0/eli5_how_casinos_can_have_people_smoking_inside/ | {
"a_id": [
"dk3rwx1"
],
"score": [
6
],
"text": [
"Smoke detectors are only one type of fire detection device and there are different types with different sensitivities. Some measure the actual amount of smoke particles via ionization and some measure the clarity of a photoelectric beam. Some do... | [] | [] | [
[]
] | ||
2l3saa | the different types of (female medicinal) birth control | What are the different types of female medicinal birth control? I understand that there are pills, patches, and items that can be inserted into the skin. Are they all basically the same and just different delivery methods? Are the different pills drastically different or are they pretty much the same. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2l3saa/eli5_the_different_types_of_female_medicinal/ | {
"a_id": [
"clr6ru2"
],
"score": [
2
],
"text": [
"[This is your very best resource.](_URL_0_) The website is super user-friendly and easy to understand, with no medical jargon. Read up."
]
} | [] | [] | [
[
"http://www.plannedparenthood.org/health-info/birth-control"
]
] | |
4040fa | why did modern household drones take the form of quadrocopters? | It seems like it'd be more efficient to use the design of helicopters, having to power just two rotors instead of four ones. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4040fa/eli5_why_did_modern_household_drones_take_the/ | {
"a_id": [
"cyraugm",
"cyrcwfl"
],
"score": [
34,
3
],
"text": [
"Helicopters don't change the speed of their rotors to fly, they change the pitch of the blades. As you can imagine, that's kind of complicated.\n\nQuads *do* change the speed of the rotors, not the pitch. That requires a lo... | [] | [] | [
[],
[]
] | |
2expbl | how do cable/internet providers get away with overcharging you and refuse to issue refunds but instead provide a credit on your next bill? | It seems ludicrous to me that a company can overcharge me, then refuse to issue an immediate refund and instead provide a credit on the next bill. And to top it off if you refuse to pay the money you don't owe, then they can send it to collections. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2expbl/eli5_how_do_cableinternet_providers_get_away_with/ | {
"a_id": [
"ck3x286",
"ck3xa0e"
],
"score": [
4,
2
],
"text": [
"Because you agreed to those terms when you signed up for their service.",
"I often wonder this too. Comcast sent me to collections for refusing to pay an extra 100 on my bill that I proved through several billing stateme... | [] | [] | [
[],
[]
] | |
24nz28 | why cant we add smells to carbon monoxide like we do to other gases? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/24nz28/eli5_why_cant_we_add_smells_to_carbon_monoxide/ | {
"a_id": [
"ch8ygvd",
"ch8yh1l",
"ch8yt0o",
"ch8zh2a"
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"score": [
2,
21,
8,
6
],
"text": [
"We can, the problem is that when carbon monoxide is a problem, is not when it's meant to be there, it's when it a bi-product of something.\n\nFor instance, CO leak in a home is an... | [] | [] | [
[],
[],
[],
[]
] | ||
6xm4c6 | please educate me on how data is stored inside metal and how computers work | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6xm4c6/eli5_please_educate_me_on_how_data_is_stored/ | {
"a_id": [
"dmgvmo8"
],
"score": [
4
],
"text": [
"Imagine a hard drive as a piece of squared paper. Each square represents a bit. The data is written in the squares in binary code (with 0s and 1s). If the square is filled, it's 1. If it's striped, it's 0. If it's empty, it's available space. \nN... | [] | [] | [
[]
] | ||
33xzrp | could somebody clearly define the differences in core beliefs between "left" and "right" in american politics? | I have a lot of friends that identity as "left" or "right," but they appear to have a lot of beliefs in common. I've realized that they don't know the difference, and neither do I. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/33xzrp/eli5_could_somebody_clearly_define_the/ | {
"a_id": [
"cqpenx8",
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"cqpg0fj",
"cqpgqrg"
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"score": [
10,
2,
2,
3,
2,
6
],
"text": [
"Left: usually liberal. Expansion of government services, more regulation in the free market, for the hot-button talking-head issues, t... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | |
op8r3 | how are signatures legally binding when they can vary so much and be easily forged? | I find my signature to vary quite a bit each time I use it, and sometimes I just make an "X" at store credit card machines in order to be done with it more quickly. Why is a person's signature the be-all and end-all of legal responsibility? What stops a person from claiming that someone else forged a legitimate signatu... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/op8r3/eli5_how_are_signatures_legally_binding_when_they/ | {
"a_id": [
"c3iykbz",
"c3iyqft",
"c3izaci",
"c3izc8v",
"c3izntx",
"c3j1usy",
"c3j22z6",
"c3j2ck0",
"c3j2n2i",
"c3j342l"
],
"score": [
254,
136,
8,
47,
25,
3,
8,
6,
2,
3
],
"text": [
"For the most part signatures are symbolic,... | [] | [] | [
[],
[
"http://www.zug.com/pranks/credit/"
],
[],
[],
[],
[],
[
"http://en.wikipedia.org/wiki/Public-key_cryptography"
],
[],
[],
[
"http://images.nictusa.com/pdf/346/12030704346/12030704346.pdf"
]
] | |
5h1mmg | what's to stop a president from passing everything via executive order? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5h1mmg/eli5_whats_to_stop_a_president_from_passing/ | {
"a_id": [
"dawo6pi",
"dawo8ba"
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"score": [
3,
7
],
"text": [
"The President is only authorized to make orders that are compatible with Federal law. For example, a law created the EPA and gave it a certain amount of authority. The President can tell the EPA to do anything *compatible wi... | [] | [] | [
[],
[]
] | ||
7dmfef | what is a banana republic? how is it related to bananas? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7dmfef/eli5_what_is_a_banana_republic_how_is_it_related/ | {
"a_id": [
"dpyst94",
"dpytbzt",
"dpyu61w",
"dpyx30u"
],
"score": [
3,
3,
3,
3
],
"text": [
"A banana republic is a politically unstable country whose economy depends on the export of one product in limited supply, such as bananas or minerals. A banana republic has social ... | [] | [] | [
[
"https://simple.m.wikipedia.org/wiki/Banana_republic"
],
[
"https://youtu.be/QgydTdThoeA"
],
[],
[]
] | ||
5jfqb0 | how do sleeping cycles work and how can i improve mine | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5jfqb0/eli5_how_do_sleeping_cycles_work_and_how_can_i/ | {
"a_id": [
"dbfseuj"
],
"score": [
3
],
"text": [
"* Avoid bright lights for the hour before you plan to go to bed. The blue from the screen will tell your mind that there's sunlight out and you'll find it hard to go to bed.\n\n* Avoid food for about 2 hours before you go to bed. I don't know all... | [] | [] | [
[]
] | ||
1qzi7b | fxx just paid $750 million for the simpsons' syndication rights. the simpsons is a fox property, produced by 20th century fox. fxx is a fox property, as part of the fox media group. so, uh, isn't this just a question of in-house money shuffling? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1qzi7b/eli5_fxx_just_paid_750_million_for_the_simpsons/ | {
"a_id": [
"cdi1cc9",
"cdi1epo",
"cdi8d5b",
"cdid12h"
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"score": [
3,
20,
7,
6
],
"text": [
"Sure, but in-house money shuffling is important. Accountants have to separate the different components of a business as much as possible to verify profitability.",
"FXX is par... | [] | [] | [
[],
[],
[],
[]
] | ||
6aqwrp | why does moist skin have better grip than wet and dry skin? | A completely dry finger can't turn a page as easily as a slightly wet one, conversely, a completely dry or soaking wet finger will slide on surfaces like wood, glass and metal much more easily than a slightly moist finger.
Why does a little bit of wetness give more grip than no wetness and complete wetness? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6aqwrp/eli5_why_does_moist_skin_have_better_grip_than/ | {
"a_id": [
"dhgry0j"
],
"score": [
4
],
"text": [
"Friction is all about the little ridges on the surface of a material (your finger tip) getting in between the ridges on the surface of the other material (paper) and interlocking like gears. [See this image](_URL_0_).\n\nSo if your fingers are w... | [] | [] | [
[
"https://ka-perseus-images.s3.amazonaws.com/611e9ac25351f8af8f05a4bc0668c792f3dbc0f4.jpg"
]
] | |
1leqmj | why is it bad to mix alcohol? especially tequila is bad to mix with anything | I mean it's all alcohol and going to the same place. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1leqmj/eli5why_is_it_bad_to_mix_alcohol_especially/ | {
"a_id": [
"cbyhiiw"
],
"score": [
4
],
"text": [
"Different kinds of HARD alcohol aren't bad to mix (e.g. Tequila + Vodka is indeed going to the same place, and it doesn't matter.) The issue comes about when you mix \"soft\" alcohol like beer, wine, or champagne with hard alcohol like vodka, te... | [] | [] | [
[]
] | |
5nk444 | how does the brain perceive sound while asleep? can it learn what to listen for? | When I was younger, my dad would come upstairs to wake my brother and I up for school. Except his way wasn't always conventional... He would SLAM the door open as loud as possible and it would scare the living sh*t out of me. Sometimes the hounds were even let loose of us (two huge Great Danes).
I noticed that after s... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5nk444/eli5_how_does_the_brain_perceive_sound_while/ | {
"a_id": [
"dcc4vwq",
"dccdxrd"
],
"score": [
2,
12
],
"text": [
"Hey that is so cool! I used to think I was a very light sleeper but it turns out the same thing developed for me overtime as well! Thanks for sharing! ",
"Even while you are fast asleep your ears still pick up sound and... | [] | [] | [
[],
[]
] | |
cdp6jo | what is involved in kant's ethical theory of the moral law? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cdp6jo/eli5_what_is_involved_in_kants_ethical_theory_of/ | {
"a_id": [
"etvewpz"
],
"score": [
2
],
"text": [
"Kant has a deontological view of morality. This means that he believed on following strict moral rules which in turn would provide a moral outcome. To find what would fit in these rules he would consider whether the action would be universilizabl... | [] | [] | [
[]
] | ||
5jvego | the difference between "cleaning” and "cleansing" | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5jvego/eli5the_difference_between_cleaning_and_cleansing/ | {
"a_id": [
"dbjaf6q",
"dbjagyt",
"dbjakfo"
],
"score": [
2,
3,
2
],
"text": [
"Cleansing has more of a medical connotation - it refers to removing contamination, toxins, and things like that.\n\nCleaning is more for general upkeep.",
"“Cleansing” is generally understood to be ... | [] | [] | [
[],
[],
[]
] | ||
1ju2gp | how do "chinook" or "tandem rotor helicopters" achieve 'pitch', 'roll', and 'yaw' in comparison to a regular helicopter. | also from my understanding, pitch is forward/backward, roll is left/right, and yaw is to spin counter clockwise or clockwise. is that correct? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ju2gp/eli5_how_do_chinook_or_tandem_rotor_helicopters/ | {
"a_id": [
"cbiajfd"
],
"score": [
4
],
"text": [
"- Normal Helicopter:\n\nPitch: Tilt Rotor Forward or back.\n\nRoll: Tilt Rotor left or right.\n\nYaw: Increase or decrease blade pitch on the tail rotor\n\n- Tandem Helicopter:\n\nPitch: increase rotor pitch on one rotor, while decreasing pitch o... | [] | [] | [
[]
] | |
slgo0 | sine, cosine and tangent | I know how to apply them. But what are they? That is my question...
E.g Pi is the number we get everytime we divide the diameter of a wheel by the circumference. What are Sine, Cosine, and Tangent? What about their inverses? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/slgo0/eli5_sine_cosine_and_tangent/ | {
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"c4eyyiw",
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"c4f2b5f"
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"score": [
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21,
15,
5
],
"text": [
"One way to think about sine and cosine is as a ratio of a leg of a right triangle to the hypotenuse. When you think right triangle you should think of the Pythagorean formula *a*... | [] | [] | [
[],
[
"http://upload.wikimedia.org/wikipedia/commons/7/7d/Sin_drawing_process.gif"
],
[
"http://www.reddit.com/r/explainlikeimfive/comments/jd1nc/eli5_trigonometric_functions/c2b413c",
"http://i.imgur.com/Wwtku.png",
"http://i.imgur.com/3a9sD.png",
"http://i.imgur.com/T1ZWr.png",
"http... | |
1zu29z | automotive transmission gear ratio. | ELI5:Automotive transmission gear ratio, also on a 6 speed transmission why does 6th gear and final gear have a different ratio? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1zu29z/eli5automotive_transmission_gear_ratio/ | {
"a_id": [
"cfx0eb2",
"cfx791m"
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"score": [
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2
],
"text": [
"I'm not a entirely sure what you are asking for here. Is it how do gear ratios work, or how does a transmission work? A transmission certainly uses gear ratios to transfer different amounts of force from the engine to the wh... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Transmission_(mechanics)"
],
[]
] | |
2lmx8p | what's happening when something acidic (i.e. lemon juice) touches an open sore? and why does it hurt so bad? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2lmx8p/eli5_whats_happening_when_something_acidic_ie/ | {
"a_id": [
"clwa5ns"
],
"score": [
6
],
"text": [
"Our body is more or less a neutral pH, being somewhere between acidic and alkaline. Its not to say our ENTIRE body is neutral as denoted by the term stomach acid.\n\nThe difference in pH can influence things like transmission of nerve signals. At... | [] | [] | [
[]
] | ||
44nytw | if there are so many people out there looking for love, why is dating so hard? | There are tons of people out there who are looking for love, yet dating seems to be a nightmare for everybody. Even if you have a group of singles, most people probably aren't going to pair up that night. Why does everybody seem to have a story of someone who, outside of dating, was a relatively nice person screwing th... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/44nytw/eli5if_there_are_so_many_people_out_there_looking/ | {
"a_id": [
"czri71c"
],
"score": [
8
],
"text": [
"Because we're so picky and fussy as a species. Despite what people may say, they usually have an ideal partner in mind. And, given the wide variety of looks and personalities and body shapes, very few people, if any, will meet that ideal. And eve... | [] | [] | [
[]
] | |
3bu5vk | why is transliteration from asian alphabets to western alphabets so terrible that, for example, an asian last name pronounced "win" is spelled nguyen? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3bu5vk/eli5_why_is_transliteration_from_asian_alphabets/ | {
"a_id": [
"cspjl0n",
"cspk8e9",
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"cspm72v",
"cspmgwe",
"cspmsr4",
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"cspphma",
"cspuqhn",
"cspvo26",
"cspwbkf",
"cspwifo",
"cspy37a",
"csq2bod"
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"score": [
3,
20,
159,
2,
4,
2,
3,
9,
14,
2,
5... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | ||
3r5z4a | what is all that stuff they say before they snap the football? | Numbers, colors, etc. What the hell does it mean? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3r5z4a/eli5_what_is_all_that_stuff_they_say_before_they/ | {
"a_id": [
"cwl700d",
"cwl7lxv",
"cwl7qtg",
"cwle1u0",
"cwlprpe"
],
"score": [
104,
4,
36,
3,
2
],
"text": [
"Secret code words to change the play based on what the defence looks like, because you don't want to say, \"okay team, go left!\"",
"There is a count. ... | [] | [] | [
[],
[],
[],
[],
[]
] | |
8wposd | why are you at risk for pregnancy if you miss an active birth control pill, but are protected when you take an inactive placebo pill, which provide no hormones? | Why are you protected from placebo pills even if they provide no hormones? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8wposd/eli5_why_are_you_at_risk_for_pregnancy_if_you/ | {
"a_id": [
"e1xgadc",
"e1xgc31",
"e1xv10h"
],
"score": [
31,
9,
2
],
"text": [
"The placebo pills provide no protection; they're taken during the time in a woman's cycle when she's naturally infertile. They're included in the box so that women can maintain the routine of taking o... | [] | [] | [
[],
[],
[]
] | |
1p8o2n | if drinks like coke and koolaid are mostly water why do they make me more thirsty? | When I drink things like Coke and Koolaid my mouth gets kind of gummy and I feel like I am thirstier than I was originally. What is the reason for this feeling? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1p8o2n/eli5_if_drinks_like_coke_and_koolaid_are_mostly/ | {
"a_id": [
"cczutg5"
],
"score": [
2
],
"text": [
"It's cause they have a bunch of stuff in them actually. \n\nI'm not sure if you remember from Biology/Chemistry where they cover osmosis but basically, while you can't drink pure water cause it would dehydrate you, you can't drink something full ... | [] | [] | [
[]
] | |
b3f5jh | if (most) fish are coldblooded, then why do many not do well in warm water? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b3f5jh/eli5_if_most_fish_are_coldblooded_then_why_do/ | {
"a_id": [
"eiz3dhz",
"eiz50b5"
],
"score": [
4,
3
],
"text": [
"Coldblooded is a very bad term in that it is misleading. The correct term would be ectothermic, meaning that body temperature is regulated via environmental means. It does not mean that the animal in question requires a cold... | [] | [] | [
[],
[]
] | ||
1xijs5 | why do ip addresses end in 255? | Why can't we have IP addresses like 371.269.999.806? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1xijs5/eli5_why_do_ip_addresses_end_in_255/ | {
"a_id": [
"cfbn0nr",
"cfbn0oj",
"cfbn2u3",
"cfbn2wq",
"cfbolk1"
],
"score": [
2,
7,
5,
3,
2
],
"text": [
"The designers of the Internet Protocol defined an IP address as a 32-bit number and this system, known as Internet Protocol Version 4 (IPv4), is still in use ... | [] | [] | [
[
"https://en.wikipedia.org/wiki/IPv4#Addressing"
],
[],
[],
[
"http://www.wikihow.com/Convert-from-Decimal-to-Binary"
],
[]
] | |
58osvz | what's the difference between mental exhaustion and physical exhaustion? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/58osvz/eli5_whats_the_difference_between_mental/ | {
"a_id": [
"d923opt"
],
"score": [
2
],
"text": [
"Too much stress , too many emotions or too many thoughts you have to take care of, all happening in a certain period of time so that they overwhelm you \nThe example: After a day in which I study a lot, I focus a lot, I have to make some decision... | [] | [] | [
[]
] | ||
2mrxw7 | why are cults taboo? | They're just a bunch of people who differ from the norm. A norm that we have created for ourselves.
By that logic, Christianity might look like a HUGE cult to people that are a part of other cults.
Note: I don't really know too much about cults, tbh | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2mrxw7/eli5why_are_cults_taboo/ | {
"a_id": [
"cm6zs1m",
"cm7271s"
],
"score": [
3,
2
],
"text": [
"Cults are usually centered around exploiting people for personal gain (so, no, NOT Christianity). Other than that, they tend to be either militaristic or suicidal. Usually cults will branch off of the norm, taking things out... | [] | [] | [
[],
[]
] | |
fifz1p | what will happen to the sewer system if enough people can only use paper towels, napkins, etc to flush? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fifz1p/eli5_what_will_happen_to_the_sewer_system_if/ | {
"a_id": [
"fkgyggy",
"fkgyrhp"
],
"score": [
3,
6
],
"text": [
"Toilet paper (if you haven't noticed yet) is extremely weak when wet. While paper towels retain their structural integrity when wet. Meaning that paper towels will still be a solid mass of fibers in sewage systems. Much like... | [] | [] | [
[],
[]
] | ||
218jsy | how do china and other "enemies of the internet" block their citizens' access to the web? | I've heard about the Great Firewall, but how are they able to implement it on every computer? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/218jsy/eli5_how_do_china_and_other_enemies_of_the/ | {
"a_id": [
"cgam90c",
"cgam9za",
"cgam9zq",
"cgama6k",
"cganvv9"
],
"score": [
3,
2,
2,
22,
2
],
"text": [
"So the internet has to come from somewhere. Remember that the internet is just computers and servers hooked up to each other by cables.\n\nSo there are only... | [] | [] | [
[],
[],
[],
[],
[]
] | |
4h4vt2 | how did the first computers tell time with no base reference unit? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4h4vt2/eli5_how_did_the_first_computers_tell_time_with/ | {
"a_id": [
"d2ne1ci",
"d2nea8d",
"d2nenrv"
],
"score": [
5,
4,
2
],
"text": [
"Not sure what you mean by \"no base reference unit.\" The second was well defined before computers, and quartz clocks were a real thing that kept very accurate time. In fact, computers today still conta... | [] | [] | [
[],
[],
[]
] | ||
3x1z7h | can companies know if you've used pirated/illegal software from the content with which you've created them from? how? | Say you were to edit a video using a pirated version of After Effects, upload it to youtube and earn money from it. Can Adobe/other companies call you out on it? How? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3x1z7h/eli5_can_companies_know_if_youve_used/ | {
"a_id": [
"cy0t3ig",
"cy12yfs"
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"score": [
3,
2
],
"text": [
"Yes, most programs write part of the license or key in the meta data of the file. But i doubt even if After effects does do this, that any part of meta data is streamed/kept by youtube. \nI remeber on my first day of hard su... | [] | [] | [
[],
[]
] | |
33xbfz | why is schizoid personality disorder considered a disorder? | It seems to me like it is just a preferred lifestyle, so I am curious why it is considered a disorder. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/33xbfz/eli5_why_is_schizoid_personality_disorder/ | {
"a_id": [
"cqp877v",
"cqp8epe"
],
"score": [
2,
4
],
"text": [
"Mental illnesses or disorders are not diagnosable unless they're causing some sort of issue with living one's life. You can match every indicator of the disorder in the DSM, but if it's not causing you any issue in living yo... | [] | [] | [
[],
[
"http://en.m.wikipedia.org/wiki/Schizoid_personality_disorder#Avoidant_attachment_style"
]
] | |
30lx31 | the iss has taken billions of dollars to build and is still under construction. why is it only planned to operate until 2024? | If it is still working just fine, why the deadline to end the mission? Why not just remove the older sections such as the first piece 'Zarya' that was launched in 1998 and continually update it?
Why is it necessary to end the mission for the ISS and plan to build another space station? Why can't we just keep working w... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/30lx31/eli5_the_iss_has_taken_billions_of_dollars_to/ | {
"a_id": [
"cptmd3b",
"cptnaah"
],
"score": [
11,
3
],
"text": [
"The ISS uses 7000 kg of propellant a year to maintain its orbit (which would otherwise constantly decay and eventually it would enter the atmosphere and burn up). This has to be delivered by periodic visits from manned or ... | [] | [] | [
[
"http://www.space.com/24208-international-space-station-extension-2024.html"
],
[]
] | |
2uorka | since jews are such a tiny percentage of the population, how are they represented so well in elite groups? 13% of nobel prize winners, 48% of us billionaires, etc. how is this? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2uorka/eli5_since_jews_are_such_a_tiny_percentage_of_the/ | {
"a_id": [
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"coals0c",
"coam7l9",
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"coao49k",
"coaoaiv",
"coaocqw",
"coaol3h",
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"score": [
7,
59,
... | [] | [] | [
[],
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[],
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] | ||
647udj | can you predict when will a person get a disease by looking at their genes when they are born ? | I know that enviroment and other elements have significant influence on this and that not only one gene makes what will happen but a lot of them. But still, is it possible and how ? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/647udj/eli5_can_you_predict_when_will_a_person_get_a/ | {
"a_id": [
"dg02af2"
],
"score": [
2
],
"text": [
"For things like the common cold or other communicable diseases, no. For genetic diseases, we already do this. We could maybe predict immune response based on extrapolated gene expressions, but that would be in the broadest of terms, as the immune... | [] | [] | [
[]
] | |
78sng6 | does time ever end, or is the future infinite? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/78sng6/eli5_does_time_ever_end_or_is_the_future_infinite/ | {
"a_id": [
"dowd5cx",
"dowdj5l",
"dowdzif"
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"score": [
3,
2,
2
],
"text": [
"That's a really good question, as if deals with the metaphysical in a physical context; basically, the universe will end before time ends, so we have no real way of knowing. However, one could argue tha... | [] | [] | [
[],
[],
[]
] | ||
2g5kyl | how does cleaning a city work after large scale disasters like 9/11 or katrina? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2g5kyl/eli5how_does_cleaning_a_city_work_after_large/ | {
"a_id": [
"ckfurez"
],
"score": [
4
],
"text": [
"Depends - they're two different types of disasters:\n\n > 9/11, earthquake, bomb, gas explosion, structural failure:\n\nThese are essentially treated the same way as demolition works are, plus disaster response e.g.:\n\n- Eliminate any imminent t... | [] | [] | [
[]
] | ||
7uygh3 | how can we prove that a problem is np if we don't know whether or not p=np? | I saw a YouTube video where they said "This problem is proven to be NP so if you find a P algorithm to solve it you'll prove P=NP"
If we've "proven" that something isn't polynomial, how do we not know whether or not it can be solved in polynomial time? Doesn't proving that something isn't polynomial necessitate P!=NP? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7uygh3/eli5_how_can_we_prove_that_a_problem_is_np_if_we/ | {
"a_id": [
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],
"text": [
"NP is a superset of P — all problems in P are also problems in NP — so proving that something is in NP doesn't actually say anything about whether or not it's in P. What they most... | [] | [] | [
[],
[],
[],
[
"https://en.wikipedia.org/wiki/Non-deterministic_Turing_machine"
]
] |
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