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 |
|---|---|---|---|---|---|---|---|---|---|
2wpr9u | why do plastic water bottles almost always have ridges in the sides? | Why do plastic water bottles, the 16.9oz ones, almost always have the small ridges in their sides? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2wpr9u/eli5_why_do_plastic_water_bottles_almost_always/ | {
"a_id": [
"coszzgw",
"cot02d7"
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"score": [
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"text": [
"Because molding the ridges in makes the bottles stronger for a given thickness. This means that the bottle manufacturers can use less plastic and save money.",
"Crumple zones.\n\nBy making the bottle more flexible, it al... | [] | [] | [
[],
[]
] | |
5yezfw | what happens to all the cancer cures in the news? where do they go? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5yezfw/eli5_what_happens_to_all_the_cancer_cures_in_the/ | {
"a_id": [
"depfmtm",
"depg014"
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"score": [
4,
2
],
"text": [
"They sensationalize minor breakthroughs. \n\nSo for example, say the process to develop a full blown cure for a specific type takes 100 steps. They finally unlock step number 38, which was really complicated and excitin... | [] | [] | [
[],
[]
] | ||
51w2s9 | why does dry semen smell like cotton candy? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/51w2s9/eli5_why_does_dry_semen_smell_like_cotton_candy/ | {
"a_id": [
"d7fcqlf"
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"score": [
2
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"text": [
"Perhaps the more important question you should be asking is:\n\nWhy does cotton candy taste like dry semen?"
]
} | [] | [] | [
[]
] | ||
6778dv | why are djs like avicii and calvin harris listed as the primary performer in a song title when they don't sing? | Example 1: The Song "I Need Your Love" is listed as "by Calvin Harris feat. Ellie Goulding, when she's singing the entire time.
Example 2: Titanium by David Guetta feat. Sia
Example 3: Clarity by Zedd feat. Foxes
The way it's listed, it's as if the DJs are singing and the lead singers are only singing the bridge or... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6778dv/eli5_why_are_djs_like_avicii_and_calvin_harris/ | {
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"It because they write all the music and lyr... | [] | [] | [
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bc16fp | how come people in the past are known by their monarch? eg. an edwardian woman, or a victorian man. are we going to be known as elizabethan people for future generations? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bc16fp/eli5how_come_people_in_the_past_are_known_by/ | {
"a_id": [
"ekn2f6d"
],
"score": [
2
],
"text": [
"In many countries, not just England, time and periods were often denoted by the current ruler. Even Egyptian and Roman time periods were often counted this way.\n\nVictorian England denotes both a culture and time-period that was particularly uni... | [] | [] | [
[]
] | ||
3g46s4 | purpose of hashing | Searched for it on the internet quite a bit. Still not clear what exactly hashing is in programming and computer science. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3g46s4/eli5_purpose_of_hashing/ | {
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"ctunskl",
"ctunws1",
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"text": [
"You can kind of think of hashing as like encryption that no one can decrypt. You put your data through some function and get a result out, but there's no practical way to work out ... | [] | [] | [
[],
[],
[],
[
"https://en.wikipedia.org/wiki/One-way_function"
]
] | |
23ntxr | why do i see translucent moving comet like things in front of my eyes everytime i sneeze hard? | They appear for a few seconds and fade away | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/23ntxr/eli5_why_do_i_see_translucent_moving_comet_like/ | {
"a_id": [
"cgytvc8"
],
"score": [
3
],
"text": [
"The rattle from the sneeze disorientates your eyes for a second. That rattles the optical nerves in your eyes, and they get jumbled up, leaving a few empty spots in your eye sight until they re-orienate themselves. This means you get a few spots ... | [] | [] | [
[]
] | |
4nccks | that feeling when you get kinda weirded out, and your fingers lose feeling | Lol for example, let's say some guy was like "I heard people cut their dicks off for fun" and you're weirded out as all hell. And suddenly, idk why, but yo u wanted to pick up a pencil and write something but you can't because the feeling in your fingers don't let you grip so well
Does this make sense? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4nccks/eli5_that_feeling_when_you_get_kinda_weirded_out/ | {
"a_id": [
"d42pw4s"
],
"score": [
3
],
"text": [
" > but you can't because the feeling in your fingers don't let you grip so well\n\nThis is the result of stress hormones being released as your \"fight or flight\" reaction is triggered, and those hormones bring about changes which would otherwi... | [] | [] | [
[]
] | |
47za20 | why can we restore detoriating eye sight but not hearing. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/47za20/eli5_why_can_we_restore_detoriating_eye_sight_but/ | {
"a_id": [
"d0gddpt",
"d0gerht"
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"score": [
3,
2
],
"text": [
"They are two very different systems, and it highly depends on the cause of the loss in eye sight, and your definition of restore. You can 'restore' sight with corrective lenses such as glasses or contacts, and do something s... | [] | [] | [
[],
[]
] | ||
cf5slm | how does diabetes appear in your body if you are healthy? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cf5slm/eli5_how_does_diabetes_appear_in_your_body_if_you/ | {
"a_id": [
"eu7irdk",
"eu7j0bd"
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"score": [
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2
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"text": [
"Being “healthy” reduces the chances of you getting a disease, it doesn’t eliminate it.\n\nDiabetes has 2 forms, Type 1 and Type 2. Type 1 is an autoimmune disease, where your body wrongly identifies your insulin-producing ce... | [] | [] | [
[],
[]
] | ||
3ma08u | what happened to cell phones causing brain tumors? did cell phones change? did we find out cell phones don't cause tumors? or did we just stop caring? | Most everyone seems to have a cell phone now. What happened to the worries that the radio waves would be damaging to our heads? Was there ever really a concern or has the problem been fixed? I know typical radio waves are for the most part harmless, but there was a serious worry about what was going on inside a cell ph... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3ma08u/eli5_what_happened_to_cell_phones_causing_brain/ | {
"a_id": [
"cvdaee8"
],
"score": [
6
],
"text": [
"Most of the hysteria was due to ignorance.\n\nNow that people have been using cell phones for twenty years and nobody's developed ear cancer from it the hype has largely died down.\n\nRadio waves simply aren't energetic enough to cause the kind o... | [] | [] | [
[]
] | |
eu2uf9 | how do war fatalities/injuries, like in vietnam, get tallied for opposing sides? | How could the U.S. know how many were injured and killed on the North Vietnam side? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/eu2uf9/eli5_how_do_war_fatalitiesinjuries_like_in/ | {
"a_id": [
"ffk7xdc"
],
"score": [
4
],
"text": [
"A lot of it was estimates\n\nA platoon of soliders would report that they shot X number of enemy combatants and Y would be assumed to be KIAs. They would count the bodies after a battle, but many enemy bodies would never be found.\n\nSimilarly if... | [] | [] | [
[]
] | |
502ivi | what happens to old currency when a country switches to a new one? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/502ivi/eli5_what_happens_to_old_currency_when_a_country/ | {
"a_id": [
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"score": [
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"text": [
"In Canada after we switched to our relatively new plastic bills. We still use and accept our older paper ones. But we just see them less. Sorry I couldn't answer any more that's all I know",
"Bills... | [] | [] | [
[],
[],
[]
] | ||
a37mp4 | why can glycolysis provide energy to cells when oxygen is not available? | I was wondering why this was possible because I thought Glycolysis required oxygen. I am confused! | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a37mp4/eli5_why_can_glycolysis_provide_energy_to_cells/ | {
"a_id": [
"eb437kg"
],
"score": [
2
],
"text": [
"Glycolysis is actually the first part of metabolizing glucose to get energy which does not involve oxygen at all. The Oxygen comes in later and that process, oxydative phosphorylation, provides much more energy (nearly ten times as much) but it i... | [] | [] | [
[]
] | |
3o14i2 | how does the rule/government of saudi arabia operate? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3o14i2/eli5_how_does_the_rulegovernment_of_saudi_arabia/ | {
"a_id": [
"cvt3y99"
],
"score": [
3
],
"text": [
"Saudi Arabia is a monarchy. Translation they have a king who is of the house of Saud. Everything else is window dressing."
]
} | [] | [] | [
[]
] | ||
4cwi5o | politicians raise millions of dollars during their campaigns even for just the nomination. what is this money spent on and why is it so expensive? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4cwi5o/eli5_politicians_raise_millions_of_dollars_during/ | {
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"The lion's share goes to advertising. $44 million might sound ob... | [] | [] | [
[],
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],
[],
[],
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"http://imgur.com/a/sNQS5"
],
[],
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] | ||
145f4w | how fur ends up in such exact patterns on animals. | I understand the genetics behind it so don't tell me all about "A hybrid red flower and a white flower create a pink flower" no I get that.. But how does it end up in such exact patterns? Like stripes, dots, etc..?
The flower thing is just an example, this can be about plants, animals, anything. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/145f4w/eli5_how_fur_ends_up_in_such_exact_patterns_on/ | {
"a_id": [
"c7a0l9x"
],
"score": [
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],
"text": [
"[Alan Turing wrote a lot about this before his untimely suicide](_URL_1_) but in brief:\n\nThere are things we'll call morphogens (could be gene products, could be hormones, etc) which, through their interactions, define complex patterns. If they... | [] | [] | [
[
"http://en.wikipedia.org/wiki/ABC_model_of_flower_development",
"http://www.wired.com/wiredscience/2011/02/turing-patterns/?pid=970"
]
] | |
3sceeu | current situation in burundi? | Hi! What's up in Burundi? Why are we talking about genocides? What is the context? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3sceeu/eli5_current_situation_in_burundi/ | {
"a_id": [
"cww8qmt"
],
"score": [
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],
"text": [
"Burundi also had genocide as in Rwanda (they're next to each other), with the same groups the Hutus and Tutsis. The president of Rwanda and Burundi were both killed in the same plane crash that was one of the triggers of the violence. It just n... | [] | [] | [
[]
] | |
9r99to | how does leasing a car work? | I currently have a car and I still owe a couple of years on the loan. I would like to lease my next vehicle. How does leasing work and how does the loan effect it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9r99to/eli5_how_does_leasing_a_car_work/ | {
"a_id": [
"e8f35ao"
],
"score": [
6
],
"text": [
"Leasing is basically just long term renting. You agree to pay a monthly fee/payment to use the car which is often restricted by how many miles per year you can put on the vehicle. However, they will often have warranties and/or allow you to trade... | [] | [] | [
[]
] | |
9t0nuk | would spider die if it ate a fly that's freshly sprayed with insecticide? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9t0nuk/eli5_would_spider_die_if_it_ate_a_fly_thats/ | {
"a_id": [
"e8srde7",
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"score": [
2,
2
],
"text": [
"Probably, yes. The spider is likely also subject to the mechanism of the toxin, so much like how a human would have trouble handling another mammal killed by a nerve toxin the spider would be in immediate danger.",
"It d... | [] | [] | [
[],
[]
] | ||
1m1ybd | can i build the internet from scratch? | Obviously, it wouldn't have the breadth or scope, but is it possible? Can an individual lay the framework for a brand new internet? How? Or, why not? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1m1ybd/eli5_can_i_build_the_internet_from_scratch/ | {
"a_id": [
"cc4zb7n",
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"score": [
4,
2,
7
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"text": [
"Connect two computers with a network cable. Bam! Your very own personal Internet!",
"Sure, you could, assuming you've got the time/knowledge/resources. Although you'd have a lot of work ahead of y... | [] | [] | [
[],
[],
[
"reddit.com"
]
] | |
cas2gf | why do american electric plugs have a "fatter" side? what is the danger of plugging in opposite? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cas2gf/eli5_why_do_american_electric_plugs_have_a_fatter/ | {
"a_id": [
"etap8d8"
],
"score": [
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"text": [
"For electrical appliances to be safe it is important that the power comes through a fuse or circuit breaker, into the wall outlet, then the plug must take that same wire to the on/off switch of the appliance. This way, when the appliance is turn... | [] | [] | [
[]
] | ||
bba4hl | how come we can’t suck out extra greenhouse gasses into space? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bba4hl/eli5_how_come_we_cant_suck_out_extra_greenhouse/ | {
"a_id": [
"ekhb1f8"
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"score": [
2
],
"text": [
"Because gravity pulls back to Earth gases that are within 1000 km of our planet.\n\nAnd because we have *millions of tons* to get rid of, and not enough energy to push that much mass farther than that."
]
} | [] | [] | [
[]
] | ||
369i65 | how does the theory that all the water on earth (oceans, glaciers, lakes, etc) came from comets actual work? | Even after billions of years, would enough comets hit the Earth with enough water to fill the oceans, etc? The sheer volume of water on Earth makes this seem implausible.
I'd like to see a /r/theydidthemath on this. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/369i65/eli5_how_does_the_theory_that_all_the_water_on/ | {
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2,
2,
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"text": [
"There used to be a far greater amount of comets and asteroids in the solar system.\n\nAfter all, nothing is creating new ones, while ol... | [] | [] | [
[],
[
"http://www.bbc.com/news/science-environment-30414519"
],
[
"https://youtu.be/_LpgBvEPozk"
],
[],
[],
[]
] | |
a6ocq7 | why does the rim of a glass make noises when wet? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a6ocq7/eli5_why_does_the_rim_of_a_glass_make_noises_when/ | {
"a_id": [
"ebwlioy"
],
"score": [
5
],
"text": [
"When you rub the wet rim (giggity) the energy you exert vibrates the glass molecules. When the glass resonates, it vibrates the air around it at the same frequency, causing the sound wave you hear."
]
} | [] | [] | [
[]
] | |
2mapfj | why aren't probiotics prescribed after an antibiotic regimen? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2mapfj/eli5_why_arent_probiotics_prescribed_after_an/ | {
"a_id": [
"cm2gfg1"
],
"score": [
2
],
"text": [
"My doctor seems to write them on my prescription every time I get antibiotics. Seems it depends on person prescribing?"
]
} | [] | [] | [
[]
] | ||
4buing | how do companies like paypal and other money transaction sites take off? | With sites that are effectively middle men handling money, how do companies take the first step? There is no reputation to begin with. How do they convince major websites to accept them as a form of payment and how did they get people to trust them to begin with? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4buing/eli5_how_do_companies_like_paypal_and_other_money/ | {
"a_id": [
"d1cj82l",
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"score": [
4,
4,
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"text": [
"Supply and demand. Everyone was buying stuff online but there were also scammers taking people's credit card information so a reputable site like PayPal came along and eventually cornered the market.\n\... | [] | [] | [
[],
[],
[]
] | |
1zffb7 | why does red hair have a harder time taking hair dye? | I've heard that before but I tried dying my hair with blonde streaks nonetheless. I used boxed dye from Ulta, but it just washed right out. Why/how does this happen? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1zffb7/eli5_why_does_red_hair_have_a_harder_time_taking/ | {
"a_id": [
"cftbf4u"
],
"score": [
2
],
"text": [
"I used to be a hairdresser many years ago. From what I remember, red hair and asian hair has a tighter cuticle layer. What that means is, the little 'scales' on the outside layer of the hair are a bit more resistant. You need to use some sort of ... | [] | [] | [
[]
] | |
1d90w5 | the results found by the human genome project | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1d90w5/eli5_the_results_found_by_the_human_genome_project/ | {
"a_id": [
"c9o46ov"
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"score": [
2
],
"text": [
"The goals as stated by the project are identify all the approximately 20,000-25,000 genes in human DNA,\ndetermine the sequences of the 3 billion chemical base pairs that make up human DNA,\nstore this information in databases,\nimprove tools for... | [] | [] | [
[]
] | ||
8ltuvx | how does an a.c motor work? | I dont get the 3 phase part | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8ltuvx/eli5how_does_an_ac_motor_work/ | {
"a_id": [
"dzicj59",
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"score": [
11,
3,
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18
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"text": [
"The electromagnets (temporary magnets) are on the outside of the AC motor while the permanent magnets turn. \n\nElectricity doesn’t pass into/through the moving parts, which is a... | [] | [] | [
[],
[],
[],
[
"https://www.youtube.com/watch?v=quABfe4Ev3s"
]
] | |
3jcgnw | what's with the new 'simplistic' style of logos that every company seems to be creating these days? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3jcgnw/eli5_whats_with_the_new_simplistic_style_of_logos/ | {
"a_id": [
"cuo1tz3",
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"score": [
3,
5
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"text": [
"One of the main reasons Google give for changing their logo is to ensure consistency of display on various display types. Some mobile devices didn't handle their previous logo very well.\n\nLogo design in tech is often linke... | [] | [] | [
[],
[
"http://gizmodo.com/what-is-flat-design-508963228"
]
] | ||
c5hp5s | why compressed air duster feels like it has liquid in it when you shake the bottle? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/c5hp5s/eli5_why_compressed_air_duster_feels_like_it_has/ | {
"a_id": [
"es1uv9s",
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"score": [
14,
4
],
"text": [
"It feels like it has liquid in it because it has liquid in it. The liquid is a propellant that has a very low boiling point (as in, it boils at something like -20°C). The pressure in the canister keeps it a liquid even at... | [] | [] | [
[],
[]
] | ||
4k7t7r | how would the us enforce a temporary ban on muslims? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4k7t7r/eli5_how_would_the_us_enforce_a_temporary_ban_on/ | {
"a_id": [
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"d3csixw",
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"d3cth4x"
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"score": [
14,
3,
5,
5
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"text": [
"Probably the same way nazis enforced the jewish thing: by caring less about the details of someone's personal belief in religion and just deciding to assign a religion to an ethni... | [] | [] | [
[],
[],
[],
[]
] | ||
34sd6s | just what exactly is the "natural flavoring" out in foods? how is it used in sparkling water without adding any calories? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/34sd6s/eli5_just_what_exactly_is_the_natural_flavoring/ | {
"a_id": [
"cqxmlds"
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"score": [
3
],
"text": [
"'Natural Flavoring' is anything not synthetically produced. It is very loosely defined. It just needs to be harvested from something in nature.\n\nAs for the calories, much of them hold no caloric value to begin with, or are in such low concent... | [] | [] | [
[]
] | ||
3vd08j | how do police catch cars using false licence plates? | Considering that the whole point of false licence plates is not to show up on the registry, how do the cops keep track of something they have no record of? What if you keep switching to different licence plates once a month? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3vd08j/eli5_how_do_police_catch_cars_using_false_licence/ | {
"a_id": [
"cxmf8n9",
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"score": [
2,
5,
2
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"text": [
"They see a car and are suspicious for some reason, so they run it through the database. The license doesn't show up. \n \nOr, a car is caught on red light cameras and doesn't show up in the database... | [] | [] | [
[],
[],
[]
] | |
2cuj4s | if i came from a planet with much higher gravity than earth and came to earth, would i be stronger and faster than everyone, also, what would the drawbacks be? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2cuj4s/eli5_if_i_came_from_a_planet_with_much_higher/ | {
"a_id": [
"cjj6691",
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"cjjbsrg",
"cjjcd1w",
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"cjjerkh",
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"score": [
111,
68,
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"text": [
"Without the pull of gra... | [] | [] | [
[],
[],
[],
[],
[],
[
"http://www.amazon.com/Moon-Harsh-Mistress-Robert-Heinlein/dp/0312863551/ref=sr_1_1?s=books&ie=UTF8&qid=1407403509&sr=1-1&keywords=the+moon+is+a+harsh+mistress"
],
[],
[],
[],
[],
[]
] | ||
bkcjiq | why, if you over just above ground in a helicopter, would the earth not move beneath you? | So I saw a screenshot of someone who believes in flat earth posting this on fb on r/facepalm, and I wondered why this doesn't happen? I totally believe that the earth is round and have never thought otherwise, but I don't really understand, is it because of gravity or the atmosphere or something? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bkcjiq/eli5_why_if_you_over_just_above_ground_in_a/ | {
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"emfndk5",
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"score": [
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"text": [
"It's because the atmosphere is rotating along with the earth. It's why we don't experience 1,000 mph winds constantly. Same reason why a bee can fly in a moving car, or you can to... | [] | [] | [
[],
[],
[],
[]
] | |
64bip7 | why do people tape their laptop webcams when they are not using it? a good amount of my friends do it, whether they are a tech person or not, but i never really understood the point of it. | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/64bip7/eli5_why_do_people_tape_their_laptop_webcams_when/ | {
"a_id": [
"dg0vamv",
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"dg0wtos",
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"score": [
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11,
12,
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"text": [
"A viral video went around showing exactly how _easy_ it is to view a strangers webcam, I don't tape mine personally cause who would ... | [] | [] | [
[],
[],
[
"https://en.wikipedia.org/wiki/Robbins_v._Lower_Merion_School_District"
],
[],
[],
[]
] | |
213rn4 | how do college athletes keep up with course work during tournaments like march madness? | I'm sure it's something completely obvious, but I can't figure it out. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/213rn4/eli5_how_do_college_athletes_keep_up_with_course/ | {
"a_id": [
"cg9bin8"
],
"score": [
10
],
"text": [
"1) they have private tutors provided by the university \n\n2) their practice hours during the rest of the year is strictly capped and the school can shift around their course schedule to accommodate the playoff season.\n\n3) These athletes are g... | [] | [] | [
[]
] | |
3qnyom | do animals have the capability to remember or even understand that they were rescued from terrible conditions in the immediate and distant future? | More importantly would a dog even remember that they were rescued? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3qnyom/eli5_do_animals_have_the_capability_to_remember/ | {
"a_id": [
"cwgv10q"
],
"score": [
4
],
"text": [
"Most animals dont remember anything very well, but they get habits ingrained in them. For example, i have a rescue cat who still eats every meal like its her last and that she has to scrape up every last bit (even though shes absolutely fed enoug... | [] | [] | [
[]
] | |
3kduiq | why is it after the four hour mark you have to see a doctor when taking viagra? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3kduiq/eli5_why_is_it_after_the_four_hour_mark_you_have/ | {
"a_id": [
"cuwmr5m",
"cuwmw3w"
],
"score": [
12,
4
],
"text": [
"If you have an erection lasting more than four hours, the chance of it becoming \"[priapism](_URL_0_)\" increase. This can lead to thrombosis of the penis and permanent damage or even gangrene leading to loss of the penis."... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Priapism"
],
[]
] | |
1eac67 | (in as unbiased a way as possible): what are the biggest changes to canada as a result of harper's conservative party being in power? | Please cite sources where appropriate. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1eac67/eli5_in_as_unbiased_a_way_as_possible_what_are/ | {
"a_id": [
"c9yerai"
],
"score": [
2
],
"text": [
"On my phone so I can't cite. The Conservatives are the result of a merger between two parties, the western Alberta based reform party, and the oldest Conservative party called the progressive conservatives. The reform party was the largest Conser... | [] | [] | [
[]
] | |
cd9pl4 | ; how is it that in 2019 we can be on the verge of curing hiv, but still have to suffer sometimes for months with influenza? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cd9pl4/eli5_how_is_it_that_in_2019_we_can_be_on_the/ | {
"a_id": [
"etskkhs"
],
"score": [
5
],
"text": [
"Influenza is sorta a catchall for a massive range of bugs. These bugs are constantly changing finding new ways to spread as far and wide as possible. These little buggers are easy to stop, which is why we have a reasonably effective vaccine with ... | [] | [] | [
[]
] | ||
j2wo2 | what would happen if we simply refuse to pay / officially recognize the national debt | Instead of paying (china?) what would would happen if we just said screw you lenders and went to a balanced budget system where we *cannot* spend more than we earn each year | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/j2wo2/what_would_happen_if_we_simply_refuse_to_pay/ | {
"a_id": [
"c28p0am",
"c28p27t"
],
"score": [
2,
9
],
"text": [
"The world financial system would collapse (seriously).",
"Here's my response genuinely aimed like you're five:\nWhen a person refuses to pay a debt this is called a \"default\". When a person defaults this is called bank... | [] | [] | [
[],
[]
] | |
56mskh | why do dams quickly collapse when the water level exceeds the height of the dam, rather than the water simply overflowing? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/56mskh/eli5_why_do_dams_quickly_collapse_when_the_water/ | {
"a_id": [
"d8kkbfo",
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"score": [
... | [] | [] | [
[
"https://www.youtube.com/watch?v=bWEWVw7TGk4"
],
[],
[],
[
"https://www.youtube.com/watch?v=hmKLxoAPU1c",
"https://www.youtube.com/watch?v=PC58mGG55io",
"https://www.youtube.com/watch?v=BNFQ1EJX4h0",
"https://www.youtube.com/watch?v=_VRGTkCv3sU",
"https://youtu.be/tkOBmiyTfEQ?t=8m4... | ||
26fwnc | why does a burn on my tongue heal faster and hurt less than one anywhere else on my body? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/26fwnc/eli5_why_does_a_burn_on_my_tongue_heal_faster_and/ | {
"a_id": [
"chqnmx9",
"chqo87q",
"chqo8ln"
],
"score": [
3,
2,
4
],
"text": [
"Face, and especially tongue heal so fast because blood flows more in head area and thus heal faster",
"Moisture. Just like how aloe vera helps a sunburn not turn into scaly flakes.",
"\"Cells of... | [] | [] | [
[],
[],
[
"http://www.bioscience.org/1999/v4/d/jones/fulltext.htm"
]
] | ||
5yyubh | what factors constitute how far light can travel before it begins to fade away to the naked eye? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5yyubh/eli5_what_factors_constitute_how_far_light_can/ | {
"a_id": [
"detxfk2"
],
"score": [
5
],
"text": [
"It's not really fading away, just less of it is hitting your eye. \n\nFor example, imagine a shotgun loaded with buckshot. Close-up, all the pellets hit what its pointed at. From farther away, maybe one or two pellets will hit the target.\n\nFor ... | [] | [] | [
[]
] | ||
3l9oep | how does light weigh nothing, yet can exert a force (e.g. solar wind)? | How can light weigh nothing, yet exert a force (which is a clear violation of F=MA)? Also, how much light would need to shine down on a person to increase their weight by say 1 gram? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3l9oep/eli5_how_does_light_weigh_nothing_yet_can_exert_a/ | {
"a_id": [
"cv4exiy",
"cv4eym9"
],
"score": [
2,
9
],
"text": [
"solar wind isn't caused by light. It's actually stream of particles (protons, electrons, etc) that do have mass. Even the fastest solar wind only goes like 700km/s. That's bush league compared to light.",
"**Edit:** As o... | [] | [] | [
[],
[]
] | |
45yrb7 | how do military snipers concentrate/focus on a target for prolonged periods of time? | I was watching a documentary on snipers in the US military a while back and apparently they were able to track down a target/crawl towards them and stay in the same spot for days at a time. How do they function if they're in the same position for so long? What do they do if they have to urinate/drop a deuce? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/45yrb7/eli5_how_do_military_snipers_concentratefocus_on/ | {
"a_id": [
"d013rts"
],
"score": [
3
],
"text": [
"I'm not a sniper, nor a soldier, but I have heard multiple times in movies, dokumentaries and the like, that if sniper needs to pee, and he can't move to a safe spot, he just pees where he is. Doesn't matter if he is lying somewhere he needs be f... | [] | [] | [
[]
] | |
p8qlr | why are there so many pictures of kim jong-il and kim jong-un looking at things? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/p8qlr/eli5_why_are_there_so_many_pictures_of_kim_jongil/ | {
"a_id": [
"c3negv3"
],
"score": [
11
],
"text": [
"It's part of the image campaign North Korea has been running since the days of Kim Il-Sung, based around the idea that Dear Leader is a hands-on leader who takes a personal interest in every aspect of North Korean industrial, military, cultural ... | [] | [] | [
[]
] | ||
1mwk2w | how come like the simpsons take 6 months to make while shows like south park can be finished in a week? | South Park is constantly keeping up with current events while The Simpsons aren't able to. How come? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1mwk2w/eli5_how_come_like_the_simpsons_take_6_months_to/ | {
"a_id": [
"ccd9pov"
],
"score": [
15
],
"text": [
"Because South Park is deliberately set up with a nontraditional, agile production process, and the Simpsons is not.\n\nHere's a documentary about it:\n_URL_0_"
]
} | [] | [] | [
[
"http://movies.netflix.com/WiMovie/The_Making_of_South_Park_6_Days_to_Air/70226503?locale=en-us"
]
] | |
99ncec | why do some electronics go senile? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/99ncec/eli5_why_do_some_electronics_go_senile/ | {
"a_id": [
"e4oymlz",
"e4p37rg"
],
"score": [
9,
5
],
"text": [
"Aside from dying batteries, one of the biggest causes of electronic failure are capacitors. As they get older, they can leak (both electrically and physically), which causes them to stop working properly, and possibly damage... | [] | [] | [
[],
[]
] | ||
c111un | why computer networking cables (ie cat5e) need four pairs of wires when the dsl that feeds my home only uses a single pair? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/c111un/eli5_why_computer_networking_cables_ie_cat5e_need/ | {
"a_id": [
"er9o7vh",
"er9otcn"
],
"score": [
3,
5
],
"text": [
"You can only squeeze so much data down a pair of wires. Even top end DSL only does about 150mbps and that’s just in one direction. 4 pairs of wires can currently do 10 gigabits birectionally.",
"Your DSL is relatively ... | [] | [] | [
[],
[]
] | ||
8mh2p7 | why a teddy "bear" and not another animal? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8mh2p7/eli5_why_a_teddy_bear_and_not_another_animal/ | {
"a_id": [
"dzni9zf",
"dznii6d"
],
"score": [
33,
12
],
"text": [
"If I remember right, it's because of Theodore (Teddy) Roosevelt.\n\nThe story goes he was out hunting (as an avid hunter, he did a lot of that. He's why we have national parks in the US), and his hunting party came upon a... | [] | [] | [
[],
[]
] | ||
zcymv | can you cry underwater? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/zcymv/can_you_cry_underwater/ | {
"a_id": [
"c63i7p2",
"c63j0aw"
],
"score": [
4,
2
],
"text": [
"Of course. The tears come from your tear ducts. Being in water doesn't do anything to change that. ",
"You can also sweat underwater, too."
]
} | [] | [] | [
[],
[]
] | ||
5zh2aj | how come ninjas are the most iconic fantasy sneaky warriors? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5zh2aj/eli5_how_come_ninjas_are_the_most_iconic_fantasy/ | {
"a_id": [
"dey56hz"
],
"score": [
2
],
"text": [
"Because they were something of a fantasy story in Japan by the time of the Meiji Restoration. When Americans and the West began interacting with the Japanese they heard stories of mystical warriors with superpowers and moved like shadows. The for... | [] | [] | [
[]
] | ||
3cznkf | if there was very little to no surface tension in water, would it still hurt if you were to belly flop on it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3cznkf/eli5_if_there_was_very_little_to_no_surface/ | {
"a_id": [
"ct0g690",
"ct0ggly"
],
"score": [
6,
6
],
"text": [
"It's not only a matter of surface tension. It's not just about the violent impact your body has with the surface, it's also about the sudden deceleration. That's what causes damage, a sudden change from moving very fast to m... | [] | [] | [
[],
[]
] | ||
6tlbw9 | why is that when you blow a balloon too hard, little air pockets appear inside your mouth just below your ears? | I noticed when you blow air too hard against the pressure (like when blowing a balloon that can't hold much air), the part below your ears hurts and when you squeeze them, tiny air bubbles comes out of it. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6tlbw9/eli5why_is_that_when_you_blow_a_balloon_too_hard/ | {
"a_id": [
"dlllynn",
"dllqozk",
"dlm453r"
],
"score": [
23,
4,
11
],
"text": [
"There is a tube between your inner ear and your mouth to help equalise pressure between the two. They are called the [Eustachian Tubes](_URL_0_). If you blow too hard and have too much pressure in you... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Eustachian_tube"
],
[],
[]
] | |
1mwgf5 | why, on some days, is one of my eyes blurrier than the other? | No matter how many time I clean the contact, or even replace it, one eye always has worse vision. It's never the same eye either; they switch. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1mwgf5/eli5_why_on_some_days_is_one_of_my_eyes_blurrier/ | {
"a_id": [
"ccd980q",
"ccd9ab9"
],
"score": [
2,
2
],
"text": [
"This may not answer your exact answer but a suggestion/ small tip on how to protect & keep your eyes young.\n\nDo eyes Exercise - Twice a day in the morning before u wake up from the bed and one before going to sleep. \n\... | [] | [] | [
[],
[]
] | |
56nb8b | what are axioms in mathematics? | I've read about it and I think I have a vague idea of what it means but I haven't read any explanation that really makes it 'click' for me. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/56nb8b/eli5_what_are_axioms_in_mathematics/ | {
"a_id": [
"d8korem",
"d8kqpva",
"d8kr1e1",
"d8krlrn"
],
"score": [
7,
3,
6,
2
],
"text": [
"They are the most fundamental laws of mathematics that have to be set in order to build upon them, such as what the + operator does. There is no \"true\" or \"right\" set of axioms... | [] | [] | [
[],
[],
[],
[
"https://en.wikipedia.org/wiki/Theory_(mathematical_logic\\)",
"https://en.wikipedia.org/wiki/Ethics_(Spinoza\\)",
"https://en.wikipedia.org/wiki/Euclidean_geometry#Axioms"
]
] | |
6574bb | anti-aliasing | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6574bb/eli5_antialiasing/ | {
"a_id": [
"dg84i29",
"dg852f8",
"dg85xhe",
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"dg89lwz",
"dg8bik4",
"dg8jsqh",
"dg8n5g3",
"dg8o2zs",
"dg8qgah",
"dg8qpfu",
"dg8wlib",
"dg8wn5o",
"dg92h8a",
"dg93pmo",
"dg960og"
],
"score": [
... | [] | [] | [
[],
[],
[],
[],
[
"https://qph.ec.quoracdn.net/main-qimg-10856ecbea4f439fb9fb751d41ff704a"
],
[
"http://i.imgur.com/p9DRVfj.jpg"
],
[
"https://i.kinja-img.com/gawker-media/image/upload/t_original/18j12dtou8x64jpg.jpg",
"http://www.geforce.com/hardware/technology/dsr/technology",
... | ||
26q450 | when a orchestra conductor is waving around his stick while the orchestra is playing, why does he do that and is there a method as to how he does it. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/26q450/eli5_when_a_orchestra_conductor_is_waving_around/ | {
"a_id": [
"chtegdw",
"chtfa6b"
],
"score": [
3,
2
],
"text": [
"There is a precise reason. It's to keep time for the musicians as well as give cues to perform certain actions. While it is possible to have everybody keep time on their own, having a conductor to maintain pace, give cues, e... | [] | [] | [
[],
[]
] | ||
63gjl3 | how can you tell a website or password manager is secure and not just storing your passwords to potentially be used against you? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/63gjl3/eli5_how_can_you_tell_a_website_or_password/ | {
"a_id": [
"dftwviu",
"dftx2kc",
"dfu03zh"
],
"score": [
25,
15,
5
],
"text": [
"One can generally rely on the reputation of well known companies to be acting in good faith, but you can never really trust they won't make a mistake that exposes your passwords and other credentials.... | [] | [] | [
[],
[],
[
"https://en.wikipedia.org/wiki/MD5"
]
] | ||
aakwec | where does the air go in a bag of chips after a plane flight? | Flew from Spain to Finland and I had a bag of chips in my luggage. It was full of air before, but after all the air was gone. I couldn't find any holes on the bag itself. Is it a pressure thing? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/aakwec/eli5_where_does_the_air_go_in_a_bag_of_chips/ | {
"a_id": [
"ecssw1w",
"ecuf1xp"
],
"score": [
3,
2
],
"text": [
"The baggage compartment is not pressurized. Any air in your chips bag will seep out of microscopic holes.",
"Airline pilot here with a *actually correct* answer.\n\nI see who scenarios:\n\n1. As the bag was packed, it ha... | [] | [] | [
[],
[]
] | |
6qi69j | what is the scientific reason why two first cousins shouldn't get married? | I am not asking about the taboo associated with incest. Nor am I condoning marriage between cousins. I am merely curious as to how marriage between cousins impacts our genes and body. Also, I am not asking about generations of incest because that obviously means the same few genes are being circulated which can cause g... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6qi69j/eli5_what_is_the_scientific_reason_why_two_first/ | {
"a_id": [
"dkxfyhd",
"dkxgbnh",
"dkxh14h",
"dkxh4fo",
"dkxo89o"
],
"score": [
5,
17,
11,
4,
2
],
"text": [
"They would have a slightly higher risk of having a child with a genetic disease. The risk is pretty low, and marriage between first cousins historically ha... | [] | [] | [
[],
[],
[
"http://evolution.berkeley.edu/evolibrary/news/101201_panthers"
],
[],
[]
] | |
4d4rvj | how is that humans were so similar even though they climates and food chains were so different? wouldn't darwinism cause humans to be markedly different based on location? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4d4rvj/eli5_how_is_that_humans_were_so_similar_even/ | {
"a_id": [
"d1nqo5h",
"d1nqr0x",
"d1nrmtc"
],
"score": [
7,
5,
4
],
"text": [
"Anatomically modern humans haven't been around long enough for too much genetic drift to occur. Humans have only been kicking around for about 200,000 years and didn't leave Africa until about 130,000 y... | [] | [] | [
[],
[
"http://www.nature.com/index.html?file=/ng/journal/v36/n11s/full/ng1435.html",
"http://www.labmanager.com/news/2016/03/eating-green-could-be-in-your-genes#.Vv1lFnoerSg"
],
[]
] | ||
blb524 | axis in prescription glasses? | I have a certain axis in my prescription glasses in one of the eyes. Everything in this photo: _URL_0_ . Looks like 3d to me. Everything except for color blue. Am i the only one? When i take off the glasses its normal but as soon as i put them on , every other color than blue seems raised up and looks like its coming ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/blb524/eli5_axis_in_prescription_glasses/ | {
"a_id": [
"emn1c5z"
],
"score": [
2
],
"text": [
"No, this has nothing to do with the axis measurement in your glasses prescription.\n\nSo, if you look at your glasses prescription, you'll see three measurements:\n\n* **SPH**: This stands for \"Spherical Power,\" and it refers to the overall cur... | [] | [
"https://www.reddit.com/r/softwaregore/comments/bl8qwq/nah_this_was_the_original_softwaregore/?utm_medium=android_app&utm_source=share"
] | [
[]
] | |
47dqmj | graham's number in knuth's up-arrow notation. | I'm reading the wikipedia pages for both and trying to understand what it means when it shows [this](_URL_0_) as graham's number. Does that mean it's 3 with 64 ↑'s then another 3? i.e.
3↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑3
or is it something even more complicated? I mean, what I just type... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/47dqmj/eli5_grahams_number_in_knuths_uparrow_notation/ | {
"a_id": [
"d0c5r4n",
"d0c6eeq"
],
"score": [
6,
5
],
"text": [
"It is not a number so small as only 64 up-arrows.. it means that at the first step to compute with 4 up-arrows... take that HUGE number and use THAT MANY up-arrows... that is just the first level. Repeat 63 times. At each l... | [] | [
"http://i.imgur.com/3cuG2Fv.png"
] | [
[],
[
"https://www.youtube.com/watch?v=XTeJ64KD5cg",
"https://www.youtube.com/watch?v=txajrEOTkuY"
]
] | |
263cj7 | why is bestiality porn easily accessible on the internet if it's illegal? | Recently saw a link to some sub where people fuck dogs. Horse porn also seems to be rampant on the internet, along with a million other animal related fetishes. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/263cj7/eli5_why_is_bestiality_porn_easily_accessible_on/ | {
"a_id": [
"chn96kv",
"chn9ldw",
"chnc1tl"
],
"score": [
45,
6,
10
],
"text": [
"It isn't illegal everywhere, including many US states. The laws also vary based on the animal involved.",
"There's a difference between the *act* being illegal and the *recording* of the act being... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Zoophilia_and_the_law_in_the_United_States#Zoophilic_pornography_in_the_USA"
],
[]
] | |
2w8cpe | how can isis use social media sites like twitter and facebook to recruit members and plan attacks without being tracked or plans thwarted? | If groups like Anonymous can find ISIS accounts and take them down, why can't these accounts be tracked to determine the whereabouts of the ISIS bases? And why are their terrorist plans working when they are broadcast in public forums? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2w8cpe/eli5_how_can_isis_use_social_media_sites_like/ | {
"a_id": [
"cooh9zr"
],
"score": [
2
],
"text": [
"I don't think they broadcast the details of their plans over social media. You won't find a post saying \"If this gets 50 likes I'll blow up a church!\" They just put out propaganda, contact potential new recruits, and set up meetings to make mor... | [] | [] | [
[]
] | |
1pe9kk | how massive restaurants and food makers can still have "secret" recipes | Especially with health and safety regulations and technology | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1pe9kk/eli5how_massive_restaurants_and_food_makers_can/ | {
"a_id": [
"cd1f6wp",
"cd1f79k",
"cd1f7kc"
],
"score": [
2,
6,
3
],
"text": [
"The only thing secret about many recipes these days is the ingredient amounts. The actual ingredients are disclosed to the public, as required by the FDA.",
"The secret parts of the recipe are the ... | [] | [] | [
[],
[],
[
"http://www.reddit.com/r/explainlikeimfive/comments/1luhky/eli5_how_do_companies_with_secret_formula_keep_it/"
]
] | |
1422az | information technology/linguistics | So basically, I'm the type of guy that is horrible at articulating concepts in general, let alone in a colloquial way. This is particularly underscored when it comes to abstract or broad concepts. I end up rambling and stuttering on different tangents, not sure how to fully explain it properly.
So say for example I'm ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1422az/eli5_information_technologylinguistics/ | {
"a_id": [
"c795y68"
],
"score": [
2
],
"text": [
"Explain it both broadly (\"IT as a field deals with information technology, or things like computers that process and change bits of information\") and specifically, related to what you're interested in. If your interest in IT revolves around pr... | [] | [] | [
[]
] | |
7nf53y | why does sunlight through a window still bring warmth even if outside is freezing tempuratures? why isn't the outside temperature more affected by the sun's heat? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7nf53y/eli5_why_does_sunlight_through_a_window_still/ | {
"a_id": [
"ds1alns",
"ds1l0a9",
"ds1o2i5"
],
"score": [
3,
13,
3
],
"text": [
"You are mixing up radiative and conductive heating. The suns rays are radiative heat. Bits of energy shot across space. They heat up whatever they hit. The ones that reach you didn't hit anything else ... | [] | [] | [
[],
[],
[]
] | ||
2nz8g7 | why does disney make so many direct-to-dvd sequels to their classic movies? | I always wondered why movies like The Lion King 2 and Cinderella 2 just went straight to DVD. They're full fledged movies and they have well known licenses, so how come Disney never released them to theaters? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2nz8g7/eli5_why_does_disney_make_so_many_directtodvd/ | {
"a_id": [
"cmi8jt7",
"cmi8o9w",
"cmi9kg9",
"cmi9pm2",
"cmialc5"
],
"score": [
24,
6,
5,
4,
3
],
"text": [
"Because they are usually dreck that only small children will really love, and those lil guys wanna watch those movies at home with their juice and cookies an... | [] | [] | [
[],
[],
[],
[],
[]
] | |
2r0chw | how do cameras auto-focus if they have no depth perception? | I searched and while there are answers to related questions, I didnt't feel they addressed this topic specifically or well enough. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2r0chw/eli5_how_do_cameras_autofocus_if_they_have_no/ | {
"a_id": [
"cnbc4tw",
"cnbdztw"
],
"score": [
3,
5
],
"text": [
"Digital cameras measure the contrast in images.\n\nImages in focus have high contrast at the edges compared to a blurred picture.\n\nIt then adjusts the focus aiming for highest contrast, it usually picks a reference spot li... | [] | [] | [
[],
[
"https://photographylife.com/how-phase-detection-autofocus-works"
]
] | |
4x64wk | why is hunter s. thompson cool? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4x64wk/eli5_why_is_hunter_s_thompson_cool/ | {
"a_id": [
"d6ct4v3",
"d6ctlk4",
"d6cu02y"
],
"score": [
20,
5,
2
],
"text": [
"Writing talent. Sociopolitical insight. Humor. Sports knowledge. The ability to make friends with almost anyone. The drug tolerance of an african elephant. ",
"He's a unique character. He has alway... | [] | [] | [
[],
[
"https://en.wikiquote.org/wiki/Fear_and_Loathing_in_Las_Vegas_\\(novel\\)#Part_1",
"https://en.wikipedia.org/wiki/Gonzo_journalism"
],
[]
] | ||
1l23cn | the perceived vs actual difference between americans and canadians | I'm English and my only real 'knowledge' of this relationship comes from US sitcoms, where Canadians are generally portrayed as America's whipping boy.
Please enlighten me. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1l23cn/eli5_the_perceived_vs_actual_difference_between/ | {
"a_id": [
"cbuzwu0",
"cbv2l4k"
],
"score": [
8,
2
],
"text": [
"We're not all that different. There are large parts of the US where one could drop a Canadian in by parachute and that person would be able to pass him or herself off as a native without anyone being the wiser. Remarkably ... | [] | [] | [
[],
[]
] | |
cjgrar | how can a minecraft world be infinite ? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cjgrar/eli5_how_can_a_minecraft_world_be_infinite/ | {
"a_id": [
"evd714s"
],
"score": [
2
],
"text": [
"They're not infinite, just unlimited. Only the parts of the world that you have seen are created, as you see them."
]
} | [] | [] | [
[]
] | ||
5lcl43 | why do we fail to do realistic human cgi (like in sw rouge one) yet we do it so great on non-human beings (like in warcraft)? | Title pretty much, thanks for answers in advance! | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5lcl43/eli5_why_do_we_fail_to_do_realistic_human_cgi/ | {
"a_id": [
"dbuns7l",
"dbunw2c",
"dbuo2f1",
"dbup34d",
"dbuqo0c"
],
"score": [
34,
11,
7,
7,
2
],
"text": [
"It's more that we're really good at picking up subtle mistakes in humans, and fantasy beasts have no reference, so its a lot harder for them to look wrong."... | [] | [] | [
[],
[],
[],
[],
[]
] | |
1v709c | what would happen if you told a police officer that you didn't understand your rights after hearing the miranda warning? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1v709c/eli5_what_would_happen_if_you_told_a_police/ | {
"a_id": [
"cepatl2",
"cepatsq",
"cepcupc",
"cepgllf",
"cepjcf6",
"cepjewn",
"cepjof1",
"cepk45s",
"cepkfps",
"cepm2dl",
"cepmri4",
"cepzsz1"
],
"score": [
53,
10,
4,
6,
3,
19,
11,
2,
4,
2,
3,
3
],
"text": [
"... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | ||
2634pv | how would religon change if aliens landed on earth? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2634pv/eli5_how_would_religon_change_if_aliens_landed_on/ | {
"a_id": [
"chn72b8",
"chn73zt"
],
"score": [
3,
2
],
"text": [
"It wouldn't change. I'm sure they would twist the words to match what they needed to match to make it fit. \n\nEither that or they would declare the aliens \"devils\" or something like that. \n",
"Even a literal interpre... | [] | [] | [
[],
[]
] | ||
1mn0u0 | how is intellectual property protected in the military industry, during peace times? | I assume that in wartime everything is allowed and/or nobody cares to ask permission to rip the design of a piece of weaponry from the enemy or an ally. But in times of relative peace, with or without tensions, can companies in the military industry sue each other over copied designs of a weapon?
Could a company in th... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1mn0u0/eli5_how_is_intellectual_property_protected_in/ | {
"a_id": [
"ccas2qc",
"ccau7c4"
],
"score": [
3,
2
],
"text": [
"Most of these patents are actually held by civilian contractors (at least as far as the US goes. I can't say the same for other sovereign nations). If a patent is explicitly violated or copied by another company in a foreign... | [] | [] | [
[],
[]
] | |
1xa8fm | what is the difference between computer hardware and smartphone hardware? | Extended question:
What is preventing people from developing proper drivers and running iOS Android devices and vise versa like you can with osx and windows? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1xa8fm/what_is_the_difference_between_computer_hardware/ | {
"a_id": [
"cf9hquf",
"cf9hzlt",
"cf9ix8m"
],
"score": [
2,
3,
2
],
"text": [
"Size basically. Also the stuff in smartphones tends to be optimized to use less power and generate less heat.\n\nAlso licensing is what prevents it, Apple doesn't allow you to do such a thing and releas... | [] | [] | [
[],
[],
[]
] | |
43mlmf | why do indian reservations still exist? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/43mlmf/eli5_why_do_indian_reservations_still_exist/ | {
"a_id": [
"czjbj8a",
"czjbkvh",
"czjckpt"
],
"score": [
4,
19,
2
],
"text": [
"Because the treaties that created them didn't have a cut-off date. To change them now the tribes would each individually have to renegotiate their status with the US federal government.",
"Well, wh... | [] | [] | [
[],
[],
[]
] | ||
58s237 | how did humans come to define moods for certain music? | I notice music can often be described with a mood, such as 'uplifting' or 'sombre'. Suppose two people listened to a particular mood of music for the first time in their life, would they be in agreement of what kind of mood that music created? Is it possible for someone to listen to 'uplifting' music and feel personall... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/58s237/eli5_how_did_humans_come_to_define_moods_for/ | {
"a_id": [
"d933l3y"
],
"score": [
3
],
"text": [
"It's all based on the structure of the chords. The first huge thing we learn about music theory is chord structure. Major- happy, minor-sad, diminished and augmented-intense, and seventh chords are used in more jazz pieces. Most pop music can be ... | [] | [] | [
[]
] | |
18lg9t | the is/lm model in macroeconomics (cross-posted in r/economics) | I understand that the IS/LM model is supposed to show how interest rates and GDP relate to each other, but how exactly does it work? And how does it relate to the AD/AS model? Thanks in advance! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/18lg9t/eli5_the_islm_model_in_macroeconomics_crossposted/ | {
"a_id": [
"c8ft809"
],
"score": [
5
],
"text": [
"When interest rates go down, the cost of borrowing money goes down, so people borrow more. When people borrow more they have more cash to spend, therefore the amount of things people buy depends on the interest rate. Thats the IS part. As interes... | [] | [] | [
[]
] | |
f4ow3e | what is horsepower , tourque and the litre in front of engine (eg 3.0l engine) mean and how exactly does it affect the car | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f4ow3e/eli5_what_is_horsepower_tourque_and_the_litre_in/ | {
"a_id": [
"fhs2je2",
"fhs3uxg"
],
"score": [
2,
2
],
"text": [
"1. A litre is a unit of measurement for volume. ( note that every substance has a different density and can weigh more or less depending on on that. Ex: a Litre of Rock is heavier than a litre of flour.) [1L=exactly 1kg of... | [] | [] | [
[],
[]
] | ||
1sp2yv | how does lego get to make movies, tv shows, toys and video games using both dc and marvel characters? | It probably seems like a stupid question, but I was curious about it. I recently watched the LEGO Marvel Superheroes computer animated shorts on Netflix and thought they were wildly entertaining. I've been playing the recent Marvel LEGO game on the Wii U and it's surprisingly awesome. Probably the best Marvel game ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1sp2yv/how_does_lego_get_to_make_movies_tv_shows_toys/ | {
"a_id": [
"cdzvlpl"
],
"score": [
2
],
"text": [
"Lego is special. It's a brand associated with such a positive reputation that participation with it threatens, and competes, with nobody. Put simply, your license gets more valuable when Lego shares their brand with you.\n\nSo there's just not mu... | [] | [] | [
[]
] | |
2smbl9 | why are the dutch and other western europeans so much taller than everyone else? | This includes other Europeans who are tall but don't have national average heights above 6 feet. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2smbl9/eli5_why_are_the_dutch_and_other_western/ | {
"a_id": [
"cnqsufs",
"cnqt44c",
"cnqx0kk"
],
"score": [
10,
4,
2
],
"text": [
"Being able to travel long distances quickly and easily is a rather new technology for us humans. For millennia, people stayed roughly in the same geographical area and bred with the other people there.... | [] | [] | [
[],
[],
[]
] | |
au0ez1 | why are launches by spacex or other space agencies ever scheduled for night? | I understand weather is an important factor obviously, but how do they know that at 2:45 AM in 3 weeks is really going to be better than 7:00AM on the same day? It seems like weather prediction is pretty imperfect, and the PR boost would be much more valuable if it could be seen live.
| explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/au0ez1/eli5_why_are_launches_by_spacex_or_other_space/ | {
"a_id": [
"eh4qijn",
"eh511kj"
],
"score": [
7,
2
],
"text": [
"Launch timing has nothing to do with the weather and everything to do with the desired orbit.\n\nThey're trying to merge the satellite into a specific spot on a circular highway so it can do what it was built to. If you laun... | [] | [] | [
[],
[]
] | |
8c7cdu | the experiment of meselson and stahl to see how the dna gets replicated | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8c7cdu/eli5_the_experiment_of_meselson_and_stahl_to_see/ | {
"a_id": [
"dxcvhhg"
],
"score": [
2
],
"text": [
"DNA replication is semi-conservative, which means that one of the two strands of DNA stays the same during replication and the other side is just built onto it.\n\nThe experiment used relative levels of heavy and light DNA to support this hypothe... | [] | [] | [
[]
] | ||
4g1hi9 | how does adding wires in parallel decrease overall resistance? | So 1/R(total)=1/R1 + 1/R2.....
If resistance of wire 1 equals 1 million resistance units and resistance of wire 2 equals 5 resistance units then somehow the resistance of the system equals 4.99. In other words, I had a circuit that has a resistance of 5 units, and I want to decrease resistance of the circuit, so I ad... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4g1hi9/eli5_how_does_adding_wires_in_parallel_decrease/ | {
"a_id": [
"d2dtohd",
"d2dtx0d"
],
"score": [
3,
3
],
"text": [
"Imagine a river of flowing water that splits into two smaller paths that are the same size. Now put a damm on each of the two smaller paths. One dam has a hole the size of a pencil (1 million ohms in your example) and the ot... | [] | [] | [
[],
[]
] | |
4r48wt | are there still spies and what do they do | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4r48wt/eli5_are_there_still_spies_and_what_do_they_do/ | {
"a_id": [
"d4y7fo8",
"d4y7iuc",
"d4yhidg"
],
"score": [
20,
3,
3
],
"text": [
"So I actually took a module at university called Espionage Studies, and another called Intelligence and International security, so hopefully I can help you out. \n\nA person who works in intelligence i... | [] | [] | [
[],
[],
[]
] | ||
393juc | if wind turbines have to be installed in very windy areas to generate enough power, how do they erect them using cranes in high winds? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/393juc/eli5_if_wind_turbines_have_to_be_installed_in/ | {
"a_id": [
"cs02bc4"
],
"score": [
2
],
"text": [
"No matter how windy it is, there is almost nowhere on earth that has sustained high velocity wind all the time. "
]
} | [] | [] | [
[]
] | ||
t479b | why can't we determine whether certain animals feel pain? | It seems like something science would be able to figure out at this point, via brain scans, biopsies, etc. Don't we already know how our brains feel pain? Can't we actually see in a scan of someone's brain that they're feeling pain? Is it only in non-mammalian organisms for which we aren't sure? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/t479b/eli5_why_cant_we_determine_whether_certain/ | {
"a_id": [
"c4jezob",
"c4jgd3r",
"c4jgsgb",
"c4jqfni"
],
"score": [
2,
2,
3,
2
],
"text": [
"We are unsure how our own brains do many things, while we know what areas of the brain act as pain receptors we can still rarely find causes for pain in many people or how it happe... | [] | [] | [
[],
[],
[],
[]
] | |
4jxvdt | what is evangelical christianity? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4jxvdt/eli5_what_is_evangelical_christianity/ | {
"a_id": [
"d3ahaa0",
"d3ajtfj"
],
"score": [
3,
4
],
"text": [
"Essentially, it is \"extremely socially active Christianity.\"\n\nIn the 18th and 19th centuries, many American protestants began to espouse the idea that the key to salvation was being \"born again\" and living life strictl... | [] | [] | [
[],
[]
] | ||
21uis2 | why does the speed of light limit how fast something can move in space but not space itself? | I was reading the article on the front page about multiverse theory, and a comment was made how we can move through space at a maximum speed of light, but we can move space as fast as we want. I thought that was interesting, and would like more insight on the topic! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/21uis2/eli5_why_does_the_speed_of_light_limit_how_fast/ | {
"a_id": [
"cggmbzn"
],
"score": [
4
],
"text": [
"This is an oft used analogy. Say we have an ant on a deflated balloon, and an evil maw of ant death it's crawling away from. The ant can crawl at 1cm/hour (slow ants). Given 2 hours, the ant could be 2cm farther from the maw. \n\nBut wait! If... | [] | [] | [
[]
] | |
1sr7a1 | hi, how do i save youtube videos to my computer? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1sr7a1/eli5hi_how_do_i_save_youtube_videos_to_my_computer/ | {
"a_id": [
"ce0dx49"
],
"score": [
3
],
"text": [
"What I do is I got to _URL_0_ and enter the URL of the YouTube video in the bar at top and hit the download button that is directly to the right. It will then give you option of how you want it downloaded and I usually choose 420p. Hope this work... | [] | [] | [
[
"keepvid.com"
]
] | ||
5id11y | how does credit card fraud work? | I mean, you get all their card details and then.. now what? You transfer their money to your account? Wouldn't it just be blatantly obvious that it was you who stole their details? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5id11y/eli5_how_does_credit_card_fraud_work/ | {
"a_id": [
"db76yz5",
"db78p63"
],
"score": [
3,
6
],
"text": [
"No. You don't transfer money into a bank account.\n\n----\n\nBut often, people will try various things. Some of the most common are:\n\n\n\n1. Buy things online\n2. Buy gift cards / prepaid credit cards\n3. Use it to mass pu... | [] | [] | [
[],
[]
] | |
1q527r | what happens to candle wax when i burn a candle? does the inside of my nose get coated with wax? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1q527r/eli5_what_happens_to_candle_wax_when_i_burn_a/ | {
"a_id": [
"cd98plo",
"cd9a02s",
"cd9f4f9"
],
"score": [
7,
4,
2
],
"text": [
"If you stick the melting candle in your nose, then yes.",
"When a candle burns down there are two main reaction products that go into the air. The first is Carbondioxid (CO2) and the other one is wa... | [] | [] | [
[],
[],
[]
] |
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