q_id stringlengths 5 6 | title stringlengths 0 304 | selftext stringlengths 0 39.2k | document stringclasses 1
value | subreddit stringclasses 3
values | answers dict | title_urls dict | selftext_urls dict | answers_urls dict | split stringclasses 9
values | title_body stringlengths 1 39.1k | embeddings list |
|---|---|---|---|---|---|---|---|---|---|---|---|
1oy5tc | in football whats the point of wasting the first two plays with a rush - up the middle - not regular rush plays i get those | explainlikeimfive | {
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"Keep the defense honest, get a feel for the pass rush, open up the passing game. An offense that's too one dimensional will fail. And those rushes up the middle can be busted wide open sometimes for big yardage.",
"If you... | {
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} | train_eli5 | in football whats the point of wasting the first two plays with a rush - up the middle - not regular rush plays i get those
| [
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2lojul | Why are different tiers (regular < mid < premium) of gas' prices almost always 10 cents different? | I've noticed that the difference in price between regular gas and midrange, and between midrange and premium, is almost always 10 cents. This seems to hold true no matter what the price for regular gas. This doesn't seem to make sense, as the difference between $2 and $2.10 and the difference between $4 and $4.10 /gal ... | explainlikeimfive | {
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"As someone who uses quality Premium, I wish this was true.",
"The difference is in how it burns though is what's critical for you as the end consumer. I drive a forced induction car, so air coming into my engine is compressed before it ... | {
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} | train_eli5 | Why are different tiers (regular < mid < premium) of gas' prices almost always 10 cents different?
I've noticed that the difference in price between regular gas and midrange, and between midrange and premium, is almost always 10 cents. This seems to hold true no matter what the price for regular gas. This doesn't seem ... | [
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8v5e3s | Stars and Visibility | Why do stars in the night's sky seem to disappear when I look directly at them but seem more visible when I look at an adjacent star.
Is it like an optical illusion where my brain 'fills' the star with the surrounding darkness? | explainlikeimfive | {
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"It's a quirk of the human eye. At the center of the eye (the fovea) we mostly have colour-sensitive cone cells to see detail and colour of what we're focusing on. Around the fovea we mostly have rod cells that can't see colour but are more sensitive to variations in lig... | {
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} | train_eli5 | Stars and Visibility
Why do stars in the night's sky seem to disappear when I look directly at them but seem more visible when I look at an adjacent star. Is it like an optical illusion where my brain 'fills' the star with the surrounding darkness? | [
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1v3wij | How do we know all the money the government is getting from bank settlements is going back to the people? | We hear about these large billion dollar bank settlements, but I don't hear anything about where this money goes. Is where this money goes going to be made public, each penny spent? Is a large percentage of money going to lawyers or is the government handling the legal cases?
JPMorgan Chase’s record $13 billion mortga... | explainlikeimfive | {
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"I'm pretty confident most of it isn't going back to the people. That's how politics works.",
"It's not. Punitive damages are like parking tickets. It is a fine you pay to the government.",
... | {
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} | {
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} | {
"url": [
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} | train_eli5 | How do we know all the money the government is getting from bank settlements is going back to the people?
We hear about these large billion dollar bank settlements, but I don't hear anything about where this money goes. Is where this money goes going to be made public, each penny spent? Is a large percentage of money g... | [
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2jlp6f | What are good and bad sides of manual and automatic drive gear? | Please consider I'm not a driver. Automatic seems cool, doing most of your job for you, but manual drive gears exist and are very common, so there must be something they are better at. What is that? | explainlikeimfive | {
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"Automatics weigh more, so that alone makes gas mileage worse. They are also more complicated, so that means reliability is going to be lower. It is easier to operate, which may free up your attention for focus on what is *outside* the car.\n\nSome people derive satisf... | {
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} | train_eli5 | What are good and bad sides of manual and automatic drive gear?
Please consider I'm not a driver. Automatic seems cool, doing most of your job for you, but manual drive gears exist and are very common, so there must be something they are better at. What is that? | [
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2reick | the special and general theory of relativity | explainlikeimfive | {
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"We know that light moves at the speed *c* (roughly 300000km/s).\n\nSo here's a question for you (that Einstein asked himself): what would you see if you sat on a beam of light and looked into the mirror? Would your reflection disappear? Would it be normal?\n\nHe then th... | {
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} | train_eli5 | the special and general theory of relativity
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6frazv | How do muscles grow? | I've been working out lately, I want to know what happens when my muscles get bigger? How are they getting bigger? | explainlikeimfive | {
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"I hope this answer qualifies as technical, yet simple enough (as I very rarely post here), but the basic idea that I understand is that your muscles rip and tear on a microscopic level when you are working out, and the harder you push those muscles, the m... | {
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} | train_eli5 | How do muscles grow?
I've been working out lately, I want to know what happens when my muscles get bigger? How are they getting bigger? | [
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2nud6o | What is the role of actual real-life actors in making animated characters? Like Liam Neeson playing Aslan in Narnia? | Likewise Kelly MacDonald playing Merida | explainlikeimfive | {
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"Could you elaborate your question?\n\nThey are voice actors. They sit in a studio and record their lines. The animators then animate the characters to match the recordings.\n\nThere are some cases (for example Andy Serkis as Gollum in the Lord of the Ring... | {
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} | train_eli5 | What is the role of actual real-life actors in making animated characters? Like Liam Neeson playing Aslan in Narnia?
Likewise Kelly MacDonald playing Merida | [
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2901pg | Why does the water from my kitchen faucet taste different than the water from my bathroom faucet? Doesn't it come from the same place? | explainlikeimfive | {
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"text": [
"Yes, but the pipes going to one place could have a build up that's changing the taste or the composition of the pipes can be different, i.e. pvc pipes going to your kitchen, but copper pipes to your bathroom."
],
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} | {
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} | train_eli5 | Why does the water from my kitchen faucet taste different than the water from my bathroom faucet? Doesn't it come from the same place?
| [
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35s621 | Precipitation reactions | I have a project tomorrow where I have to explain this to 2nd graders, and I'm having trouble thinking of ways to explain it. Help? | explainlikeimfive | {
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"Why the hell would you need to learn about precipitation rxns in second grade??? I was taught that in the seventh grade IIRC... Please tell me 2nd was a typo???\n\nThe principles are pretty advanced for second graders... \n\nHave you talked about elements and compounds,... | {
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} | train_eli5 | Precipitation reactions
I have a project tomorrow where I have to explain this to 2nd graders, and I'm having trouble thinking of ways to explain it. Help? | [
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29dzii | If dark colours absorb more heat, why does light skin burn easier than dark skin? | explainlikeimfive | {
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"Two things going on here. First, heat doesn't have anything to do with sunburn, it's all about UV rays. Encountering more UV rays = more sunburn.\n\nHowever, dark skin absorbs more UV rays than pale skin. And in fact that's exactly why it burns less. ... | {
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} | train_eli5 | If dark colours absorb more heat, why does light skin burn easier than dark skin?
| [
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3il3tz | How the fuck does Facebook know about people I know?! | explainlikeimfive | {
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"text": [
"Your email contacts, your academic/work institutions info you've put, and the friends of your friends.",
"Piggyback question (more an example): \n\nI had a fb acct that only had ~30 people on it. I just used it for work and didn't have ... | {
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"url": []
} | {
"url": [
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} | train_eli5 | How the fuck does Facebook know about people I know?!
| [
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5qpbf2 | Why is chickenpox worse as an adult? | explainlikeimfive | {
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"It's mostly due to the difference in immune system between a child and an adult. A primary varicella zoster infection (chickenpox) in adulthood is indeed associated with increased risk of complications. Most of these complications are due to the intense response by the ... | {
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} | train_eli5 | Why is chickenpox worse as an adult?
| [
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6rand9 | How do movies not get uploaded online in HD from movie theater employees before their DVD release? | explainlikeimfive | {
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"text": [
"The theater will be fined a massive amount of money for allowing a leak, the person leaking it will be fined a massive amount of money for uploading it, and they automatically lose their job. This is a combination of copyright law violation and contracts ... | {
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} | train_eli5 | How do movies not get uploaded online in HD from movie theater employees before their DVD release?
| [
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5oqclk | Can defense attorneys 'throw' a case if they know their clients are guilty? | [deleted] | explainlikeimfive | {
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"Yes, they could 'throw' a case.\n\nHowever, that's a serious ethics violation which would almost certainly cause disbarment if found out, and not only that, the conviction could then be appealed based on ineffective assistance of counsel (embodied in the ... | {
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} | train_eli5 | Can defense attorneys 'throw' a case if they know their clients are guilty?
[deleted] | [
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3q3tlo | why, when intoxicated, does it feel like everything is spinning when you close your eyes but stops spinning when you open them? | explainlikeimfive | {
"a_id": [
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"text": [
"the fluid in your inner ear keeps you orientated and standing upwards, although when your drunk certain functions in your brain don't work as well or as they are meant to. So if you've had a bit too much to drink, your brain might not be able to tell whic... | {
"url": []
} | {
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} | train_eli5 | why, when intoxicated, does it feel like everything is spinning when you close your eyes but stops spinning when you open them?
| [
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5z4197 | Why are some fish bones edible, and others are not? | [removed] | explainlikeimfive | {
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"text": [
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],
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} | {
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} | train_eli5 | Why are some fish bones edible, and others are not?
[removed] | [
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4ykwmb | What's the meaning of the phrase "I've got a bone to pick with you." | [removed] | explainlikeimfive | {
"a_id": [
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"text": [
"If you have a bone to pick with someone, it means they've annoyed or insulted you and you need to talk to them about it.\n\nAccording to the Oxford English Dictionary (via a thread in /r/etymology) \"a bone to pick\" originally meant something that occupi... | {
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} | train_eli5 | What's the meaning of the phrase "I've got a bone to pick with you."
[removed] | [
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2gzadi | What is different in the brain chemistry that distinguishes thinking about moving my arm and actually moving it? | You can say in your head "I'm going to move my arm", but not actually move it. You can also say "I'm not going to move my arm" and move it. Or vice versa.
What goes on that allows this? What clicks when you actually want to move a body part vs just pretending you want to?
Hope this isn't too confusing, but always wo... | explainlikeimfive | {
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"text": [
"Thought and motor cortex are separate. So you can think without acting."
],
"score": [
2
]
} | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | What is different in the brain chemistry that distinguishes thinking about moving my arm and actually moving it?
You can say in your head "I'm going to move my arm", but not actually move it. You can also say "I'm not going to move my arm" and move it. Or vice versa. What goes on that allows this? What clicks when you ... | [
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6nu1zv | Why can't we just taste candy or Sweets and then spit it out to avoid its unhealthy attributes? What makes us swallow it to get satisfaction? | [deleted] | explainlikeimfive | {
"a_id": [
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],
"text": [
"You absolutely could. \n\nBut the fact is that evolution shaped our tastes. That's why fatty foods and sweet foods are so appealing to out taste buds. It is our bodies way of saying \"That has lots of calories and will help us avoid starving.\"\n\nThe 'satisfaction' you... | {
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} | train_eli5 | Why can't we just taste candy or Sweets and then spit it out to avoid its unhealthy attributes? What makes us swallow it to get satisfaction?
[deleted] | [
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65xeid | Why are the things that taste the best bad for us? | explainlikeimfive | {
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"Let's think about this from an evolutionary perspective. Way back in the day, (like way way way back) humans struggled for food just like every other animal. It was to our species evolutionary advantage to pursue food that would keep us full longer, or pr... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | Why are the things that taste the best bad for us?
| [
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47ywv8 | Why do you see weird colors when you press your eyes? | [removed] | explainlikeimfive | {
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"If I had to take a guess, no expert, just had anatomy and physiology through college, I'd imagine it'd have something to do with the rods and cones in your eyes and the optic nerve. When you push on your eyes, you probably disrupt the innervation action o... | {
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} | {
"url": []
} | train_eli5 | Why do you see weird colors when you press your eyes?
[removed] | [
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2xk0do | If a movie production has $5,000,000 (estimated) Budget, must some of that money go to the actors? or only movie's production quality? | explainlikeimfive | {
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} | {
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} | train_eli5 | If a movie production has $5,000,000 (estimated) Budget, must some of that money go to the actors? or only movie's production quality?
| [
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1pxypg | What classifies an island as an island? Aren't all continents etc essentially large islands? | Like Australia for example, is it an island? I'm dumb. | explainlikeimfive | {
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"While not universally true (especially in the case of Europe who gets to be called its own continent for purely cultural/political reasons) A continent is considered to be the primary landmass on its tectonic plate.\n\nIf you look at a map of tectonic pla... | {
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} | {
"url": [
"http://www.learner.org/interactives/dynamicearth/plate.html",
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} | train_eli5 | What classifies an island as an island? Aren't all continents etc essentially large islands?
Like Australia for example, is it an island? I'm dumb. | [
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7bf09r | why does wikipedia ask for donations almost every month? do they really need it to not disappear? | [removed] | explainlikeimfive | {
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"Wikipedia's biggest issue is that their amazing service requires constant overhead. So donations keep it running. Have you ever been inside a server location. That shit is cold, and cold is expensive.",
"Like PBS, it relies on donations... | {
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} | {
"url": []
} | {
"url": []
} | train_eli5 | why does wikipedia ask for donations almost every month? do they really need it to not disappear?
[removed] | [
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5d9rv5 | How does a water purifier jug work and could you put 3rd world ditch water through one and drink safely? | explainlikeimfive | {
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"The passive type of jug won't filter out bacteria and other things that can make you sick. There is a thing called [LifeStraw](_URL_0_) that can do this, but it forces water through a filter as you use it. Something like a reverse osmosis system can make ... | {
"url": []
} | {
"url": []
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"url": [
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} | train_eli5 | How does a water purifier jug work and could you put 3rd world ditch water through one and drink safely?
| [
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nq5gj | Why people like getting drunk/sloshed/hammered/shit-faced ? | What's the big deal? I like drinking, but I hate it when I've ha too much and end up feeling horrible for the rest of the night and half of the next day.
However, some people seem to love it and all they can say after a night of over-drinking and throwing up is "Let's do it again!"
What's up with that?
**Edit:** I u... | explainlikeimfive | {
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"Because only when you're passed out in a puddle of your own vomit can you silence the ennui and existential hum.\n\n\n Source: I'm Irish.",
"For me it was because I didn't have much confid... | {
"url": []
} | {
"url": [
"http://www.explosm.net/comics/2617/"
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} | {
"url": []
} | train_eli5 | Why people like getting drunk/sloshed/hammered/shit-faced ?
What's the big deal? I like drinking, but I hate it when I've ha too much and end up feeling horrible for the rest of the night and half of the next day. However, some people seem to love it and all they can say after a night of over-drinking and throwing up i... | [
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4wj33n | What happens when a "too-big-to-fail" bank goes bankrupt. | So it has been explained in this subreddit many times that the general idea of "too-big-to-fail" banks is that these banks own huge sums of debt and assets across many sectors of the economy and for them to fail would have repercussions on the entire economy owing to their size.
If a bank goes bankrupt, how exactly d... | explainlikeimfive | {
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"> These assets wouldn't simply evaporate into the air\n\nThat's exactly what they'd do. That's what it means for a bank to fail—it means that they simply do not have the assets to cover all their liabilities. You can have a million dollars in your account... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | What happens when a "too-big-to-fail" bank goes bankrupt.
So it has been explained in this subreddit many times that the general idea of "too-big-to-fail" banks is that these banks own huge sums of debt and assets across many sectors of the economy and for them to fail would have repercussions on the entire economy owi... | [
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4ihyj9 | Why is the recent Apple vs. FBI encryption debate relevant years after the Snowden leaks (2013), passage of the PATRIOT Act (2001), and the ECHELON revelations (1988)? | [removed] | explainlikeimfive | {
"a_id": [
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],
"text": [
"The Apple debate has nothing to do with the government's right to get the information. They had a warrant from a judge, who has way more certainty than probable cause to believe that the phone was used by someone who committed a crime. They also had permission from the ... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | Why is the recent Apple vs. FBI encryption debate relevant years after the Snowden leaks (2013), passage of the PATRIOT Act (2001), and the ECHELON revelations (1988)?
[removed] | [
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2knjrl | Why has the Mars Rover Opportunity's Lithium Ion Battery Lasted 11+ Years and the one in My Cell Phone/Laptop/Tablet Dies in Less Than 2? | Pretty much as the title says. I recently read the Spirit and Opportunity rovers use rechargeable lithium ion batteries to store power for the night. Opportunity has been operating for ~11 years or so now and still works great. I can't keep a rechargeable lithium ion phone battery alive for much more than 2 years.
... | explainlikeimfive | {
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"NASA requirements lean toward the 'overengineered' side (for good reason - ... | {
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} | {
"url": []
} | {
"url": [
"http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries",
"http://trs-new.jpl.nasa.gov/dspace/bitstream/2014/38400/1/05-3884.pdf"
]
} | train_eli5 | Why has the Mars Rover Opportunity's Lithium Ion Battery Lasted 11+ Years and the one in My Cell Phone/Laptop/Tablet Dies in Less Than 2?
Pretty much as the title says. I recently read the Spirit and Opportunity rovers use rechargeable lithium ion batteries to store power for the night. Opportunity has been operating f... | [
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3u0p7l | Why some bugs fly to lights. | [removed] | explainlikeimfive | {
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"Navigating at night is hard. You can't really see anything, especially not distant landmarks.\n\nOnce upon a time, the most reliable \"landmark\" was the moon. Sure, the moon moves in the sky throughout the night, but if you just wanted to forage by covering a large are... | {
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} | train_eli5 | Why some bugs fly to lights.
[removed] | [
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2jcwki | Why is sales tax in the US excluded from the list price? | Here in europe we add VAT into our prices; what's listed is what you nromally pay.
It's pretty handy as you dont have to worry wether you the right change. Would someone be able to explain this phenomenon to me? | explainlikeimfive | {
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"Because every state has a different tax rate on goods, so that would make putting tax into the price a little difficult",
"It's a principle of transparency, letting the citizen know exactly what they are paying for the pr... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | Why is sales tax in the US excluded from the list price?
Here in europe we add VAT into our prices; what's listed is what you nromally pay. It's pretty handy as you dont have to worry wether you the right change. Would someone be able to explain this phenomenon to me? | [
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1msr63 | Why does a beer on tap almost always taste better than it does from a bottle? | explainlikeimfive | {
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"Probably because the keg has been better handled than the cases of beer have, and because bottles are not actually the best packages for beer. Light passes through the glass and can cause skunking, and oxygen can sneak in through the plastic seal in the c... | {
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} | train_eli5 | Why does a beer on tap almost always taste better than it does from a bottle?
| [
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1vktvt | What is the significance of Jamaican Bobsled team qualifies for the Olympics? | There are multiple posts about this making the front page today. What is so significant about it? Reading the comments on those thread didn't help. Is it because it is a tropical country? A rather poor country? Or, when I Googled it, something to do with a movie? | explainlikeimfive | {
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"Let me tell you about a man...a great man...a man who helped the underdogs...a man who traveled by many forms...a man who loved his nieces and nephew. A man who left this world too early. \n\nThat mans name was John Candy.",
"Kids these days...\n\nಠ_... | {
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} | {
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} | {
"url": []
} | train_eli5 | What is the significance of Jamaican Bobsled team qualifies for the Olympics?
There are multiple posts about this making the front page today. What is so significant about it? Reading the comments on those thread didn't help. Is it because it is a tropical country? A rather poor country? Or, when I Googled it, somethin... | [
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5dq0o5 | Is it possible to build up an immunity to poisons both naturally occurring and man-made? | explainlikeimfive | {
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"Sort of. It's called [Mithridatism](_URL_0_), after a Roman-era king of Pontus (northern modern Turkey). But you can only do it with certain poisons; others just build up in your body until they kill you.",
"No, not reall... | {
"url": []
} | {
"url": []
} | {
"url": [
"https://en.wikipedia.org/wiki/Mithridatism"
]
} | train_eli5 | Is it possible to build up an immunity to poisons both naturally occurring and man-made?
| [
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26gyvz | How do devices know the amount of charge left in a battery? | How are devices able to calculate this? I would really like to know. It's really puzzling to me. Thanks. | explainlikeimfive | {
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"I think the best way to explain this is through an analogy. Imagine you have two tanks of water. One has a lot of water and the other is empty. If you were to connect a pipe running from the bottom of one tank to the bottom of the other, water would flow ... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | How do devices know the amount of charge left in a battery?
How are devices able to calculate this? I would really like to know. It's really puzzling to me. Thanks. | [
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7v0tw9 | Why are my muscles sore after jumping in cold water? | [removed] | explainlikeimfive | {
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"From what I understand, our bodies defenses against hypothermia is to shiver. This involves involuntary muscle contractions to generate heat. These muscles contractions still can cause muscle soreness just like working out.",
"Many athl... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | Why are my muscles sore after jumping in cold water?
[removed] | [
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5f3fjp | why do we like watching the same TV show or movie over and over again? | explainlikeimfive | {
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"Our brains like familiar things. Something we already have seen is easier to get into than something brand new because it requires less attention and effort from our brain. It's also sometimes good watching a TV show knowing ... | {
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} | {
"url": []
} | {
"url": []
} | train_eli5 | why do we like watching the same TV show or movie over and over again?
| [
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67xdw2 | why do the French have an abstain vote instead of people physically restraining from voting. [Other] | Edit: Thanks for the insight guys. I am aware of a NOTA option in a few regions. But in most places even if NOTA wins, the person with most votes wins. What I want to know is whether the French have a different approach to this. | explainlikeimfive | {
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"It's like a protest vote. I live in Nevada where we are allowed to vote \"none of the above.\"\n\nIf \"none of the above\" wins, the candidate with the most votes still wins. It doesn't affect anything here.",
"Abstain is a different thing from simp... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | why do the French have an abstain vote instead of people physically restraining from voting. [Other]
Edit: Thanks for the insight guys. I am aware of a NOTA option in a few regions. But in most places even if NOTA wins, the person with most votes wins. What I want to know is whether the French have a different approach... | [
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y0n1j | Why The Beatles broke up? | explainlikeimfive | {
"a_id": [
"c5rb2ux",
"c5ra9x5"
],
"text": [
"It wasn't that they were mad at each other, although if you spend enough time with someone they can start to bother you, right? But you can still love someone who bothers you, right? So it wasn't really about that at all...\n\nRemember that toy you used... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | Why The Beatles broke up?
| [
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8wjm3a | - Why do phones not require cooling vents but other small appliances do? | [deleted] | explainlikeimfive | {
"a_id": [
"e1vy4w2",
"e1w02r4",
"e1w1h4m",
"e1wc0ke"
],
"text": [
"Phones lack a cooling system because there's no room for that. It takes up way too much space for a pocket-size device. If that wasn't an issue, phones would've had vents.\n\nBesides, phones don't work as hard as other comput... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | - Why do phones not require cooling vents but other small appliances do?
[deleted] | [
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41dzv8 | Why are oil prices so shockingly low? | [removed] | explainlikeimfive | {
"a_id": [
"cz1kc79",
"cz1kcim",
"cz1kh1p",
"cz1u0ke"
],
"text": [
"Someone feel free to correct me if I'm wrong, but my understanding is the Middle East put out so much supply to try and put US companies out of business which if successful they would then jack prices up and get money to them... | {
"url": []
} | {
"url": []
} | {
"url": [
"https://www.youtube.com/watch?v=LTuzZ920AQs"
]
} | train_eli5 | Why are oil prices so shockingly low?
[removed] | [
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47j3rg | If the inside of my microwave is made of metal, why is it bad to put metallic objects in it? | [removed] | explainlikeimfive | {
"a_id": [
"d0d9dwc",
"d0d9s9z"
],
"text": [
"The metal interior of the oven is grounded. It does pick up a charge from the microwaves, but the charge is dissipated to ground, and so does not arc. Your fork, or the foil on your plate, are not grounded, and thus the charge can build up until it is str... | {
"url": []
} | {
"url": []
} | {
"url": [
"http://4.bp.blogspot.com/-DAbnSGH-OsY/T9mQlQOS_3I/AAAAAAAAARE/_jvMH1jrneI/s1600/IMG_0349.JPG"
]
} | train_eli5 | If the inside of my microwave is made of metal, why is it bad to put metallic objects in it?
[removed] | [
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4wrd7t | Why do we lack the instincts our ancestors had, e.g. telling you which foods are poisonous | [removed] | explainlikeimfive | {
"a_id": [
"d699c6n",
"d699ilp"
],
"text": [
"We still have them. Ever gone \"EW\" from spoiled food and decided not to eat it? Ever smelled something horrible and realized that it wasn't edible? \n\nThe issue is that we've realized that there's a lot more items out there can that kill us, and notice... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | Why do we lack the instincts our ancestors had, e.g. telling you which foods are poisonous
[removed] | [
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5nrxy3 | Why do we wake up early when we don't have to but tend to wake up late when we need to be up? | [removed] | explainlikeimfive | {
"a_id": [
"dce0t6e",
"dce43ya",
"dcdyhe5"
],
"text": [
"The simple answer is stress causes this.\n\nBy setting a schedule your body will fall into a rhythm. After a while you don't really need the alarm at all. However as we know our natural rythems get disturbed occasionally. When we must get u... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | Why do we wake up early when we don't have to but tend to wake up late when we need to be up?
[removed] | [
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4ax430 | Why do tech/software companies stay in the US when they are demanded to include backdoors by the US government? Can't tech companies just develop and release their products overseas, out of reach of the US government's influence? | explainlikeimfive | {
"a_id": [
"d1490xn",
"d149i8k",
"d14f5n1"
],
"text": [
"The short answer is that it's not just the US government pushing to include \"backdoors.\" Tech companies could move to a country without these laws, but places like the US could restrict or prohibit them from selling their products in the ... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | Why do tech/software companies stay in the US when they are demanded to include backdoors by the US government? Can't tech companies just develop and release their products overseas, out of reach of the US government's influence?
| [
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63tjg1 | with such an important vote like appointing a supreme court nomine, why is the senate floor so empty? | it seems like any time there is an important vote there are almost always desks empty? their one job is to be there to vote on measures like this? how can they be allowed to either miss it or allow the vote to precede when not all members or representatives are even present? Doesn't this mean that there are districts... | explainlikeimfive | {
"a_id": [
"dfwu3ev"
],
"text": [
"Well, actually, that's not their one job. They also have to meet with people, work on legislation, and so on.\n\nMany of the Senators may be in their offices. When an important vote is called, they will come to the floor to vote. They can get from their offices to the f... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | with such an important vote like appointing a supreme court nomine, why is the senate floor so empty?
it seems like any time there is an important vote there are almost always desks empty? their one job is to be there to vote on measures like this? how can they be allowed to either miss it or allow the vote to precede ... | [
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7c86w2 | If you put tires on your car that are larger than the ones from the factory, would you actually be going slower than the reading on your speedometer? | [removed] | explainlikeimfive | {
"a_id": [
"dpnvbc3",
"dpnvf30"
],
"text": [
"No, you'll actually be going faster. The speed is calculated based on the OEM tire size, whereas if you put a larger tire on, there is more circumference so the hub will spin slower, yet will be traveling the same speed.\n\nYou can have it recalibrated fa... | {
"url": []
} | {
"url": []
} | {
"url": [
"https://auto.howstuffworks.com/car-driving-safety/safety-regulatory-devices/speedometer4.htm"
]
} | train_eli5 | If you put tires on your car that are larger than the ones from the factory, would you actually be going slower than the reading on your speedometer?
[removed] | [
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v2y3v | How does bugspray kills bugs? | You see little bugs run a bit and die, but bigger bugs like spiders flop on their back then get up and run and repeat until they die, sometimes 5 minutes later.
How does it kill them? Do they drink it? Does it burn them? Does it melt their brains? | explainlikeimfive | {
"a_id": [
"c50uykx"
],
"text": [
"Bugspray is actually a chemical weapon. As in it shuts down biological functions bugs need to stay alive, like forgetting how to breathe for example. It can also cause military chemical weapons detection gear to register false positives."
],
"score": [
7
]
} | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | How does bugspray kills bugs?
You see little bugs run a bit and die, but bigger bugs like spiders flop on their back then get up and run and repeat until they die, sometimes 5 minutes later. How does it kill them? Do they drink it? Does it burn them? Does it melt their brains? | [
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y8enz | The FairTax plan | I was looking up some info on Presidential candidates stances on the economy, and Gary Johnson wants to repeal all forms of income tax and replace it with the FairTax program.
From my limited understanding of economics, it appears to me as though the FairTax plan will act as regressive taxation.
Am I right or am I wr... | explainlikeimfive | {
"a_id": [
"c5t9ktw"
],
"text": [
"The fair tax is regressive but it offers up citizens a prebate to offset their costs. \n\nBenefits \n\n* You are taxing consumption instead of production so it's seen as a more just system. \n* The stress on working household would be lessened since exemptions can be ma... | {
"url": []
} | {
"url": []
} | {
"url": [
"http://www.fairtax.org/site/PageServer?pagename=HowFairTaxWorks"
]
} | train_eli5 | The FairTax plan
I was looking up some info on Presidential candidates stances on the economy, and Gary Johnson wants to repeal all forms of income tax and replace it with the FairTax program. From my limited understanding of economics, it appears to me as though the FairTax plan will act as regressive taxation. Am I r... | [
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1ysrvv | What is slowing down our internet speeds? | Only one that doesn't do it is probably Google Fiber, but it does a little...
I've got a 100/100 Mbit/s internet (Down & Up) by Fiber. I've got a minimum speed guarantee of 50/50 Mbit/s which I think is ridiculous, I basically have to pay full price for a guarantee that it can somehow just be half as fast as it should.... | explainlikeimfive | {
"a_id": [
"cfnh87t"
],
"text": [
"ISP backbones tend to oversell their bandwidth, because not everyone is using their maximum allocation all the time, so there would be unused potential that isn't generating profits. This is how your neighbors can slow you down. Much of your connection is just you and y... | {
"url": []
} | {
"url": [
"speedtest.net",
"Speedtest.net"
]
} | {
"url": []
} | train_eli5 | What is slowing down our internet speeds?
Only one that doesn't do it is probably Google Fiber, but it does a little... I've got a 100/100 Mbit/s internet (Down & Up) by Fiber. I've got a minimum speed guarantee of 50/50 Mbit/s which I think is ridiculous, I basically have to pay full price for a guarantee that it can ... | [
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24rxv7 | If a computer has a GPU, why would reducing GUI effects impact performance? | Shouldn't the GPU do the heavy graphical lifting, reducing or eliminating strain on the CPU? | explainlikeimfive | {
"a_id": [
"cha3413",
"chae6pt",
"cha1rc1"
],
"text": [
"The program has to be written to take advantage of that hardware. The Windows GUI, for example, being your desktop - that rendering code was written before hardware acceleration was ubiquitous. All of your windows, button, and icons are all... | {
"url": []
} | {
"url": []
} | {
"url": [
"http://blogs.msdn.com/b/oldnewthing/archive/2013/03/27/10405554.aspx"
]
} | train_eli5 | If a computer has a GPU, why would reducing GUI effects impact performance?
Shouldn't the GPU do the heavy graphical lifting, reducing or eliminating strain on the CPU? | [
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p3b4k | What happens if you don't pay your US Federal income tax? | Apparently in the US you aren't *legally* required to pay your Federal income tax, because it's unconstitutional, and no law was ever passed that requires you to pay it. If that's true, how are people tricked into paying it every year, what do you have to do to not pay your income tax, and what are the consequences for... | explainlikeimfive | {
"a_id": [
"c3m5994",
"c3m5dzv",
"c3m5gua",
"c3m6wfh"
],
"text": [
"I'm no expert on Constitutional Law, but where did you hear that the US income tax has no basis in law and is unconstitutional? The entire purpose of the [16th amendment](_URL_0_) was to make the income tax permanent. It was ... | {
"url": []
} | {
"url": []
} | {
"url": [
"http://en.wikipedia.org/wiki/Sixteenth_Amendment_to_the_United_States_Constitution",
"http://en.wikipedia.org/wiki/Tax_protester_(United_States)"
]
} | train_eli5 | What happens if you don't pay your US Federal income tax?
Apparently in the US you aren't *legally* required to pay your Federal income tax, because it's unconstitutional, and no law was ever passed that requires you to pay it. If that's true, how are people tricked into paying it every year, what do you have to do to ... | [
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36zodt | Why does my employer require a voided personal check in order to setup direct deposit? | I haven't used checks in almost 10 years and it seems ridiculous when all they need is the routing and account number. | explainlikeimfive | {
"a_id": [
"crifyjn"
],
"text": [
"Your banks routing number and your account number as well as your name exactly as it is written on your account are all printed on the check. That is the information they need to set up direct deposit. With the check they can be sure there are no mistakes."
],
"scor... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | Why does my employer require a voided personal check in order to setup direct deposit?
I haven't used checks in almost 10 years and it seems ridiculous when all they need is the routing and account number. | [
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4wm2j9 | Why are the insides of Ovens Dark and Not Metallic or Mirror Like? | [removed] | explainlikeimfive | {
"a_id": [
"d682d1c",
"d683eur",
"d686bf9"
],
"text": [
"How often do you polish the inside of your oven? I suspect a big reason would be just to keep the interior from quickly looking horrible.",
"The inside walls of an oven are at the same temperature as the interior of the oven (usually ho... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | Why are the insides of Ovens Dark and Not Metallic or Mirror Like?
[removed] | [
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69fnnb | Why does metal react so violently when microwaved? | explainlikeimfive | {
"a_id": [
"dh676h3"
],
"text": [
"The way microwaves work is through jiggling charged/polar particles in your food (the water primarily). This jiggling increases their temperature and that heats up the rest of your food. That's why you can't heat oil as easily as you can water.\n\nHowever, metals like i... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | Why does metal react so violently when microwaved?
| [
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2p86oi | Derivatives (in financial markets) and how people make money off of them | explainlikeimfive | {
"a_id": [
"cmu8r7j"
],
"text": [
"Derivatives are kind of what they sound like, products derived from the value of other things.\n\nA very common type of Derivative is the Future.\n\nA Wheat Farmer is growing 50 tons of wheat, but it won't be harvested until 3 months from now, but he wants to lock in th... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | Derivatives (in financial markets) and how people make money off of them
| [
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1jynkj | How did the American accent come about? | It seems that somewhere inbetween 1780 and 1900 the US developed an accent quite different from English. How did this happen? Apologies in advance if this question is literally too stupid to be answered | explainlikeimfive | {
"a_id": [
"cbjkex6",
"cbjkenf"
],
"text": [
"It's not so much that Americans developed a distinct accent, but rather that speech on both sides of the Atlantic changed significantly, with both sides diverging quite a bit from what they had sounded like earlier on. This process is still happening, wi... | {
"url": []
} | {
"url": []
} | {
"url": [
"http://www.livescience.com/33652-americans-brits-accents.html"
]
} | train_eli5 | How did the American accent come about?
It seems that somewhere inbetween 1780 and 1900 the US developed an accent quite different from English. How did this happen? Apologies in advance if this question is literally too stupid to be answered | [
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2tq3in | Why do The Miranda Rights state that anything you say can "and will" be used against you. If something's not incriminating why would it be used against you? Why would cops be forced to admit this up front? | Edit: Thanks for the responses guys. Perhaps giving a hypothetical example will help clarify what I still don't get. Say a guy is arrested who:
1) Is not involved in the crime nor did he have any knowledge of it prior to it taking place.
2) Has information that may help solve the case.
3) Is willing to share that ... | explainlikeimfive | {
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"Its just to put emphasis on the fact that *they will* use any and all evidence against you that they can, including anything you say or do.",
"The rights are telling you, anything you say , whether you thin... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | Why do The Miranda Rights state that anything you say can "and will" be used against you. If something's not incriminating why would it be used against you? Why would cops be forced to admit this up front?
Edit: Thanks for the responses guys. Perhaps giving a hypothetical example will help clarify what I still don't ge... | [
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92q1xy | Why is it when you rewind VHS tapes they lose their quality over time? | [removed] | explainlikeimfive | {
"a_id": [
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],
"text": [
"Since rewinding needs to be done for each playback, what makes you think it is the rewinding which causes quality loss? Tapes lose quality over time whether you play them or not due to breakdown of the binder and dry lubricant. Rewinding is... | {
"url": []
} | {
"url": []
} | {
"url": [
"https://en.wikipedia.org/wiki/Print-through"
]
} | train_eli5 | Why is it when you rewind VHS tapes they lose their quality over time?
[removed] | [
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1wenr0 | When a new library is built, where do they get their books? I understand many can be bought brand new from publishers. But, what about the old books, or the vast volumes of dated encyclopedias, dated periodicals, etc... | explainlikeimfive | {
"a_id": [
"cf19r86"
],
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"Librarian here.\n\nA lot of that stuff comes from stores and reserves from other libraries in the system. My library authority has been around since 1890 and has accumulated decades of stuff that due to archiving policies /librarian OCD hoarding we never throw out, Fo... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | When a new library is built, where do they get their books? I understand many can be bought brand new from publishers. But, what about the old books, or the vast volumes of dated encyclopedias, dated periodicals, etc...
| [
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3y16x0 | What was the Beat Generation about? Were Beatniks a stereotype or a factual reflection of this philosophy? | And what resources would you recommend to find out more about them?
Thanks in advance! | explainlikeimfive | {
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"Basically, in the 1950s things were very ... basic. Conservative values reigned, the biggest fashion was \"normal\". Some today still think of this as our golden age (unless you're a minority or a woman), but everything was very inside-the-... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | What was the Beat Generation about? Were Beatniks a stereotype or a factual reflection of this philosophy?
And what resources would you recommend to find out more about them? Thanks in advance! | [
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1x06l7 | If the ozone layer is made up of O3, why are we not producing some of it ourselves and pumping more of them into the atmosphere to fix the problem faster? | explainlikeimfive | {
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"> Ozone is a powerful oxidizing agent, far stronger than O2. It is also **unstable at high concentrations**, decaying to ordinary diatomic oxygen. [...] In a sealed chamber, with fan moving the gas, ozone has a **half-life of approximately a day at room temperature**.\n... | {
"url": []
} | {
"url": []
} | {
"url": [
"http://en.wikipedia.org/wiki/Ozone#Reactions"
]
} | train_eli5 | If the ozone layer is made up of O3, why are we not producing some of it ourselves and pumping more of them into the atmosphere to fix the problem faster?
| [
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3rbw8n | What is Gene therapy? | How is it done? What can it be used for? What is it about? What are the advantage? What are the disadvantages?
| explainlikeimfive | {
"a_id": [
"cwmpjra"
],
"text": [
"Say you have a recipe for a chocolate cake. Except instead of saying 1 cup of sugar, the recipe says 1 cup of salt. Every time someone makes a cake using that recipe, it's going to taste like crap.\n\nModern medicine is like trying to fix the cake once it's already made... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | What is Gene therapy?
How is it done? What can it be used for? What is it about? What are the advantage? What are the disadvantages? | [
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1awvkx | Is it possible to be a 'man without a country'? | I got this idea from the movie 'The Terminal'.
> Viktor Navorski, a man from an Eastern European country arrives in New York. However after he left his country war broke out. Suddenly Navorski is a man without a country - or one that the U.S. cannot recognize, thus he is denied entrance to the U.S. However, he also ... | explainlikeimfive | {
"a_id": [
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"text": [
"It is entirely possible to be such a person, it's called statelessness.\n\nAt one point, Einstein was stateless. However, renouncing your citizenship means you have no protection by any state. This is very bad, as we are as a species very largely reliant ... | {
"url": []
} | {
"url": []
} | {
"url": [
"http://en.wikipedia.org/wiki/Nansen_passport"
]
} | train_eli5 | Is it possible to be a 'man without a country'?
I got this idea from the movie 'The Terminal'. > Viktor Navorski, a man from an Eastern European country arrives in New York. However after he left his country war broke out. Suddenly Navorski is a man without a country - or one that the U.S. cannot recognize, thus he is ... | [
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5hysh7 | How do the grooves on a record/LP actually recreate the sound of a full orchestra? | I understand but fail to grasp how the indentations on a record are created by emulating sound waves - but how do those grooves recreate the individual orchestral sounds overlaying each other? It's beyond me! | explainlikeimfive | {
"a_id": [
"db3zvwe"
],
"text": [
"Think of every single instrument making their vibrations - some loud, some soft, some brash, some smooth, some at one pitch, others at another.\n\nEvery one of those vibrations add up together and bounce against your eardrum in beautiful chaos. The specific way your ea... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | How do the grooves on a record/LP actually recreate the sound of a full orchestra?
I understand but fail to grasp how the indentations on a record are created by emulating sound waves - but how do those grooves recreate the individual orchestral sounds overlaying each other? It's beyond me! | [
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8h79u2 | In the English language, how are contractions prioritized when a word can belong to two different contractions? | [removed] | explainlikeimfive | {
"a_id": [
"dyhkce8",
"dyhkbl5"
],
"text": [
"It's a matter of emphasis. \"We aren't going\" could be simply spoken, or the \"we\" could be emphasized (an emphasis that is lost in simple text). Similarly \"We're not going\" could be used to emphasize the \"not\" part. Beyond that it's preference. The... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | In the English language, how are contractions prioritized when a word can belong to two different contractions?
[removed] | [
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qf3oi | Eating things from other planets or moons. | Let's have a hypothetical situation. I think it was Europa or Io (one of either Jupiter's or Saturn's moons. I think both) that reportedly has life in it. Lets say that in the ocean's on the special moon there's a fish-like creature swimming around that we haven't discovered yet. Years later astronauts go to that moon ... | explainlikeimfive | {
"a_id": [
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],
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"There is a big piece to this question which is not intuitive: chirality. Basically, the food we eat is useful to our bodies because the molecules can be used to build or repair our cells or can be turned into energy. Either way, our cells make use of chem... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | Eating things from other planets or moons.
Let's have a hypothetical situation. I think it was Europa or Io (one of either Jupiter's or Saturn's moons. I think both) that reportedly has life in it. Lets say that in the ocean's on the special moon there's a fish-like creature swimming around that we haven't discovered y... | [
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3meq7k | The Cuban Missle Crisis and Americas enormous beef with Cuba, what happened there? | explainlikeimfive | {
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],
"text": [
"The beef wasn't with Cuba, the beef was with the USSR. The Soviets were trying to use their communist ally in The West as a beachhead for terror. (Not the modern definition of terror, the old-fashioned one). By placing ICBMs in Cuba (aimed at the Unite... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | The Cuban Missle Crisis and Americas enormous beef with Cuba, what happened there?
| [
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1ujf85 | How do you build a Nanorobot..? | Heard the news today that South Korea have developed world’s first cancer-treating nanorobot which instantly made me think, how do you build a machine that small..? | explainlikeimfive | {
"a_id": [
"ceiq0gg"
],
"text": [
"Weeeeellllllllllll... the title 'nanorobot' is a bit misleading in this case, they actually genetically engineered some salmonella bacteria (non harmful versions of it at least) to seek out cancer cells. They also filled the bacteria with cancer killing drugs and progra... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | How do you build a Nanorobot..?
Heard the news today that South Korea have developed world’s first cancer-treating nanorobot which instantly made me think, how do you build a machine that small..? | [
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101kpd | Why doesn't it rain salt water? | explainlikeimfive | {
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"When water evaporates, it gets heated to an extent that the water particles move faster and spread apart, which causes them to become \"lighter\" than the air around them, turning into water vapor, a gas. Due to this, they rise up into the atmosphere. The... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | Why doesn't it rain salt water?
| [
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u1sgi | Why can't we use a centrifuge to de-salinate ocean water? | explainlikeimfive | {
"a_id": [
"c4rls9q"
],
"text": [
"A centrifuge is typically used to separate a heterogeneous mixture of solid and liquid by spinning it. Salt water is a solution, so if it is even possible, I am sure the energy, time and expense are enormous."
],
"score": [
3
]
} | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | Why can't we use a centrifuge to de-salinate ocean water?
| [
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3b63ds | Why do most viral videos now have licensing info in the description box? | explainlikeimfive | {
"a_id": [
"csj8oan"
],
"text": [
"I'm not sure whether you mean licensing info for the video itself or for 3rd part content in the video, but if it's the former then people angling to create viral videos will want to exert their creative rights over it in case it really does take off, because viral thin... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | Why do most viral videos now have licensing info in the description box?
| [
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2o4lc4 | What is a MAC Address? | I have a idea what a MAC Address is... but can you ELI5 and tell me how it differs from other addresses?
I did search this first, but I am sort of new to reddit so I don't know if searched properly. | explainlikeimfive | {
"a_id": [
"cmjnzgs",
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"text": [
"It's a unique device address given to each piece of network connected hardware. It's different from an IP address because it's permanent: every device has one and only one MAC address, but it is given a new IP address every time it connects. \n\nEdit: You... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | What is a MAC Address?
I have a idea what a MAC Address is... but can you ELI5 and tell me how it differs from other addresses? I did search this first, but I am sort of new to reddit so I don't know if searched properly. | [
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73upll | How are adept music players able to just start playing along to anything that someone else plays and have it sound good? | explainlikeimfive | {
"a_id": [
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"dnta36p",
"dntle26"
],
"text": [
"i’m a drummer so i’m not speaking for guitarists/bassists here.\n\nin drums there’s basically three things to improvisation - the time signature, the tempo and confidence (in my experience). \n\nthe time signature is pretty easy to find out... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | How are adept music players able to just start playing along to anything that someone else plays and have it sound good?
| [
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6drqpb | Why drill instructor in the army never stop screaming at recruit in the army? | What's the point of screaming at people like that? | explainlikeimfive | {
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"> What's the point of screaming at people like that?\n\nIt is intended to rattle the recruits mentally, making them feel like they are incapable and useless. The idea is to break ... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | Why drill instructor in the army never stop screaming at recruit in the army?
What's the point of screaming at people like that? | [
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1pvbc2 | if i ground up a piece of pure iron and ate it, would my body abosorb it the same way as iron from food? if not, how do they make iron supplements absorb-able? | explainlikeimfive | {
"a_id": [
"cd6f7gx",
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],
"text": [
"You eat shaved iron every time you have breakfast cereal. If you take total cereal, crush it up, add a little milk to make a broth consistancy, and stir it with a strong magnet, you will see actual iron shavings sticking to your magnet.\n\n... | {
"url": []
} | {
"url": []
} | {
"url": [
"http://www.youtube.com/watch?v=ZIyKe9VE6o8"
]
} | train_eli5 | if i ground up a piece of pure iron and ate it, would my body abosorb it the same way as iron from food? if not, how do they make iron supplements absorb-able?
| [
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2z0cjz | Whats is the actual cause of the common itch. and why is scratching it the cure? | . | explainlikeimfive | {
"a_id": [
"cpelbym"
],
"text": [
"1: dead skin\n\n2: your body's reaction to get rid of it.\n\nBonus: a lot of dust in your house is said dead skin."
],
"score": [
3
]
} | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | Whats is the actual cause of the common itch. and why is scratching it the cure?
. | [
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1qxkbl | When popcorn is popping, what is actually happening to the kernel inside? | explainlikeimfive | {
"a_id": [
"cdhj3fb"
],
"text": [
"As the kernel is heated, the moisture and oils are being heated inside. Since the outer shell of popping corn is strong and mostly impenetrable, there is no place for the heat and pressure to go and the insides are superheated. The starches inside, which are normally ha... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | When popcorn is popping, what is actually happening to the kernel inside?
| [
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6ttn1g | What happens to your brain when you space out? | explainlikeimfive | {
"a_id": [
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],
"text": [
"There are two kinds of spacing out. There is background processing - thinking about stuff that isn't apparent to you consciously, and basically resting your mind. \n\nFor most of evolutionary history, energy was the limiting factor for most species. Sleeping is not only... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | What happens to your brain when you space out?
| [
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54bt16 | What is the point of a Kroger's Shopper card? | Unlike Sam's Club and Costco, a Kroger's card is completely free of charge yet they give you discounts on certain items. Why is that? | explainlikeimfive | {
"a_id": [
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],
"text": [
"The general idea is that by offering a discount card, you will shop more frequently at that specific chain than others (although in reality, this isn't often the case). They may also collect your email to send you regular marketing ads, in hopes of bring... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | What is the point of a Kroger's Shopper card?
Unlike Sam's Club and Costco, a Kroger's card is completely free of charge yet they give you discounts on certain items. Why is that? | [
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7rx576 | What is a floating neutral and why is it damaging to appliances? | explainlikeimfive | {
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],
"text": [
"Coming into your house you have two phases which are both 120VAC *relative to neutral* but are of inverse phase so they're 240VAC relative to each other.\n\nA floating neutral is when your neutral connection opens for some reason, a wire might break. When this happens,... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | What is a floating neutral and why is it damaging to appliances?
| [
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8wz828 | Why haven't our bodies changed to make childbirth less painful? | [removed] | explainlikeimfive | {
"a_id": [
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"e1zmn11",
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],
"text": [
"So the only way that the process of childbirth would change is through evolution of some kind. The only way evolution happens is if the genetically superior reproduce and those who aren’t die. Theoretically if there was a woman who could go... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | Why haven't our bodies changed to make childbirth less painful?
[removed] | [
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2uawn1 | American TV shows compared to The rest of the world. | explainlikeimfive | {
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"The amount of American hate / bashing on Reddit is amazing.",
"Don't act like we Americans don't notice this shit, too.",
"They make it into a drama type show to get more p... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | American TV shows compared to The rest of the world.
| [
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1sv4gb | How do people add colour so accurately to black and white photos? | explainlikeimfive | {
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"url": []
} | {
"url": []
} | {
"url": [
"http://imgur.com/a/FN8zS"
]
} | train_eli5 | How do people add colour so accurately to black and white photos?
| [
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89j1ww | How do service animals help autistic children? | explainlikeimfive | {
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"text": [
"Multiple ways, and by the way it's not just autistic *children* who can benefit from service animals.\n\nAmong other things:\n\n* service animals can detect the early signs of a meltdown or shutdown, which are things often (but not exclusively) triggered ... | {
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} | {
"url": []
} | {
"url": []
} | train_eli5 | How do service animals help autistic children?
| [
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4nykjt | Why do books downloaded from the library need to be "returned" after a given amount of time? | At my local library you can download books, however the number of books that can be downloaded at any given time are limited in the amount that can be given out, as well as how long you can have them out. This makes no sense because downloads are not limited like physical copies of books are. | explainlikeimfive | {
"a_id": [
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],
"text": [
"> This makes no sense because downloads are not limited like physical copies of books are.\n\nDownloads are limited in the sense that the library has to pay for every copy of a book that they own, including digital copies. So they pay the publisher $X fo... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | Why do books downloaded from the library need to be "returned" after a given amount of time?
At my local library you can download books, however the number of books that can be downloaded at any given time are limited in the amount that can be given out, as well as how long you can have them out. This makes no sense be... | [
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5k70m1 | How does Stephen Hawking's speech computer work? | explainlikeimfive | {
"a_id": [
"dblt7bl"
],
"text": [
"He has a small sensor in his mouth and uses his cheek muscle to type with it. His computer also has the ability to predict and correct words for him."
],
"score": [
6
]
} | {
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} | {
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} | {
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} | train_eli5 | How does Stephen Hawking's speech computer work?
| [
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4esq08 | If a self-driving car detects multiple courses of action (all of which will likely result in human injury) how will it determine which course to take? | And ... what liability issues could arise from whatever decision the algorithm makes? | explainlikeimfive | {
"a_id": [
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"It will do whatever it is programed to do in that situation. Self driving cars are not true conscious A.I - they are just really, really complex \"if...then\" programs. If it get... | {
"url": []
} | {
"url": []
} | {
"url": [
"https://youtu.be/kBdfcR-8hEY?t=27s"
]
} | train_eli5 | If a self-driving car detects multiple courses of action (all of which will likely result in human injury) how will it determine which course to take?
And ... what liability issues could arise from whatever decision the algorithm makes? | [
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21352q | why does spicy food make me sweat? | explainlikeimfive | {
"a_id": [
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],
"text": [
"\"The answer hinges on the fact that spicy foods excite the receptors in the skin that normally respond to heat. Those receptors are pain fibers, technically known as polymodal nociceptors. They respond to temperature extremes and to intense mechanical stimulation, such... | {
"url": []
} | {
"url": []
} | {
"url": [
"http://www.scientificamerican.com/article/why-is-it-that-eating-spi/"
]
} | train_eli5 | why does spicy food make me sweat?
| [
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24h6oh | If there are no size regulations regarding goalies in the NHL, why doesn't a team just throw some really obese person out there to block the whole net? | explainlikeimfive | {
"a_id": [
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],
"text": [
"An NHL goal is 6 feet wide by 4 feet wide. I doubt there's many people actually large enough to block that entire area. And if there is someone that big, I doubt they'd be able to stand up and skate their way o... | {
"url": []
} | {
"url": []
} | {
"url": [
"http://online.wsj.com/news/articles/SB119143109983647814"
]
} | train_eli5 | If there are no size regulations regarding goalies in the NHL, why doesn't a team just throw some really obese person out there to block the whole net?
| [
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4ekabd | If animals aren't aware that they are going to die, why would they try so hard to survive? | I've seen people on the Internet and even some studies that say animals are only motivated by survival, but at the same time, they have no idea that death is a thing or that they'll be dead one day. If you have no idea that you'll ever die, why would survival be such a big motivator? | explainlikeimfive | {
"a_id": [
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],
"text": [
"Because they are genetically programmed to. It's evolution. Individuals that do not try to survive are not able to live long enough to reproduce - or in some species' cases, to care for their young either (imag... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | If animals aren't aware that they are going to die, why would they try so hard to survive?
I've seen people on the Internet and even some studies that say animals are only motivated by survival, but at the same time, they have no idea that death is a thing or that they'll be dead one day. If you have no idea that you'l... | [
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1pdv5f | How can a computer come up with a "random" number? | Wouldn't there always be a way to predict the number? Doesn't the computer just follow a script that tells it to do a bunch of calculations? | explainlikeimfive | {
"a_id": [
"cd1bdlf"
],
"text": [
"Generally yes, anything generated by an algorithm can be reproduced if you know the \"initial\" settings. Numbers generated this way are referred to as \"psuedorandom\". \n\nThere do, however, exist various dedicated hardware solutions that allow computers to pick truly... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | How can a computer come up with a "random" number?
Wouldn't there always be a way to predict the number? Doesn't the computer just follow a script that tells it to do a bunch of calculations? | [
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3r3z8m | Why are scars near impossible to get rid of? | explainlikeimfive | {
"a_id": [
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"cwkq8zj"
],
"text": [
"Scar tissue is different to normal skin. It contains more collagen than regular tissue, and doesn't structure the same as regular skin, which is why it looks so different. It's also less flexible.\n\nThe benefits to having scar tissue is ... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | Why are scars near impossible to get rid of?
| [
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ys6ma | Why don't developed countries make their own clothing without child labour? | I noticed that a few of my shirts say "made in Mexico," and you just know child labour was involved at some point. So my question is, why don't we (North America) just buy the materials and fabrics from those countries and make our own clothes without resorting to child labour? I'd be shocked if we didn't have the fact... | explainlikeimfive | {
"a_id": [
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],
"text": [
"Because it's cheaper to have it made in other countries.",
"Its not the technology; remember, much of that technology was invented here in the US. Plain and simple, a shirt (and just about anything) from Mexico, Thailand, or Bangladesh is $2-3 cheaper... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | Why don't developed countries make their own clothing without child labour?
I noticed that a few of my shirts say "made in Mexico," and you just know child labour was involved at some point. So my question is, why don't we (North America) just buy the materials and fabrics from those countries and make our own clothes ... | [
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ugj7x | Two spaceships are travelling towards each other at speed of light.. | Fix: *Near* speed of light. Sorry.
And an outside observer still observer the relative speed in between them to be c. Why is this? Why can it not be 2c? I know faster-than-light travel isn't allowed by Einstein's theory of relativity, but how the hell do the speeds not add up??
And also, why wouldn't one of the ships... | explainlikeimfive | {
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],
"text": [
"First thing's first, neither ship can travel at the speed of light. As long as they have mass, it just can't happen. This isn't some silly nitpicky thing, it's fundamental to the theories of relativity, and it ... | {
"url": []
} | {
"url": []
} | {
"url": [
"http://en.wikipedia.org/wiki/Velocity-addition_formula#Special_theory_of_relativity",
"http://en.wikipedia.org/wiki/Length_contraction",
"http://en.wikipedia.org/wiki/Time_dilation"
]
} | train_eli5 | Two spaceships are travelling towards each other at speed of light..
Fix: *Near* speed of light. Sorry. And an outside observer still observer the relative speed in between them to be c. Why is this? Why can it not be 2c? I know faster-than-light travel isn't allowed by Einstein's theory of relativity, but how the hell... | [
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17qju8 | Why can we eat sushi raw but not other meats? | explainlikeimfive | {
"a_id": [
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"c881q75"
],
"text": [
"The short answer is: If it's clean, you can.\n\nWeather we can eat a food raw or not depends on if it carries things that might make us sick, or might have picked up something that would make us sick. \n\nIn p... | {
"url": []
} | {
"url": []
} | {
"url": [
"http://en.wikipedia.org/wiki/Tartare",
"http://en.wikipedia.org/wiki/Carpaccio"
]
} | train_eli5 | Why can we eat sushi raw but not other meats?
| [
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2082hl | Why is it when oil prices go up gas prices immediately go up but when oil prices come down the price of gas never comes down as fast as when the price of oil increases? | It just seems like it's a sliding scale upwards that never has a chance of coming down....i did google it [here](_URL_0_) | explainlikeimfive | {
"a_id": [
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],
"text": [
"On TV, when the price of gas goes up, they say they have no choice but to sell it higher in gas stations too.\n\nBut when the price goes down, they say that they had already bought a lot of gas w... | {
"url": []
} | {
"url": [
"https://www.google.com/search?q=Why+is+it+when+oil+prices+go+up+gas+prices+immediately+go+up+but+when+oil+prices+come+down+the+price+of+gas+never+comes+down+as+fast+as+when+the+price+of+oil+increases%3F&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a&chan... | {
"url": [
"www.nasdaq.com/markets/crude-oil.aspx?timeframe=10y",
"http://www.gasbuddy.com/gb_retail_price_chart.aspx"
]
} | train_eli5 | Why is it when oil prices go up gas prices immediately go up but when oil prices come down the price of gas never comes down as fast as when the price of oil increases?
It just seems like it's a sliding scale upwards that never has a chance of coming down....i did google it [here](_URL_0_) | [
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1k9an4 | How does a linear induction motor work? | I decided to read Elon Musk's explanation of the "Hyperloop" _URL_0_
I don't understand the proposed propulsion system. Could someone please explain what a linear induction motor is and how it works?
Thank you!!! | explainlikeimfive | {
"a_id": [
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"text": [
"Alright, the only word in there you gotta worry about is 'induction'. 'Motor' just means it moves stuff, and 'linear' just means it moves stuff in a straight line (or close to it). \nAs for 'induction': When you've got electricity moving, it can create a... | {
"url": []
} | {
"url": [
"http://www.spacex.com/sites/spacex/files/hyperloop_alpha-20130812.pdf"
]
} | {
"url": []
} | train_eli5 | How does a linear induction motor work?
I decided to read Elon Musk's explanation of the "Hyperloop" _URL_0_ I don't understand the proposed propulsion system. Could someone please explain what a linear induction motor is and how it works? Thank you!!! | [
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78sng6 | Does time ever end, or is the future infinite? | [removed] | explainlikeimfive | {
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],
"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 that time will end when physical existenc... | {
"url": []
} | {
"url": []
} | {
"url": []
} | train_eli5 | Does time ever end, or is the future infinite?
[removed] | [
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