query stringlengths 19 300 | pos list | neg list | task stringclasses 1
value | instruction dict |
|---|---|---|---|---|
How do my card numbers keep getting stolen? | [
"This is just one possibility, but it could be a business you shop at that you trust. When the security of a company is breached, they aren't required to tell you. They let the banks know to look out, but you'll never be told \"This company is the reason your card info is getting stolen.\" I had this happen with tw... | [
"They can get personal information about you, reset your password, or otherwise screw around. How much debt you have and other information is private."
] | eli5_question_answer | {
"query": "Represent the title:",
"pos": "Represent the paragraph:",
"neg": "Represent the paragraph:"
} |
how does drinking alcohol make a person even more depressed/sad? | [
"Alcohol is a depressant drug. Despite the name, this doesn't mean it makes you depressed...although it can have that effect. Instead, what it means is that it depresses parts of your nervous system - that is, it shuts down parts of your brain. At first, these parts tend to be ones that deal with anxiety and unders... | [
"I think it's just being intoxicated in general. Why are you more hungry/horny/outgoing etc... when you're drunk? It's just easier to give in to your desires, whatever they may be."
] | eli5_question_answer | {
"query": "Represent the Reddit question:",
"pos": "Represent the Reddit text:",
"neg": "Represent the Reddit text about Health and lifestyle:"
} |
Why do I get mildly electrocuted if I touch some metallic part (screws or ports) of my laptop while its charging? | [
"Err ... if this is happening something is possibly wrong with the wiring inside the laptop. This shouldn't be happening. I would suggest turning off your laptop, and getting it serviced ASAP."
] | [
"Maybe your cable was acting as a (really bad) radio antenna. Have you tried this without the plug touching your skin?"
] | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
How do gift cards keep track of leftover money? | [
"The value is stored elsewhere; the data on the card is basically just an ID number. The reader scans the card, reads the ID information, and then asks the remote server what the value is for that particular ID. Makes sense when you think about it. If the value was just stored on the card it would be child's play t... | [
"There are sites that will pay you cash (a fraction of the face value, mind you) for gift cards and gift card codes. Take the ill gotten card codes, launder them for cash."
] | eli5_question_answer | {
"query": "Represent the post:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
Could someone explain the Dalai Lama? Wouldn't a guy that claims to be a "chosen one" have a huge ego? I'm not being sarcastic. | [
"I'm not an expert by any means, but I think it is more a case of the High Lamas who proclaim who is the next incarnation (usually a pre-teen boy). He is then removed from his family forever and taken to the Palace to be informed of his future role. As far as his family is concerned, the child is now gone forever. ... | [
"I mean, nobody knows for sure how everyone will react, there's no predetermined contingency plan. If absolutely everyone sticks to tradition, then the Chinese government likely plays a large role in the location of the next Dalai Lama. And, erm, assists heavily in their education. But if that's the case, I don't i... | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the text:",
"neg": "Represent the text:"
} |
To stop the poaching of elephants, why can't we synthetically produce ivory? | [
"That's actually happening right now, scientists are synthetically producing ivory and flooding the market with it, therefore cheapening the price of actual ivory."
] | [
"Elephants are the biggest, most powerful land animals. When a hunter killed one of these mighty beasts, he probably desired something to prove it. He took the tusks of the elephant. Over time people corresponded elephant tusk with power, then with luxury, then with money. Now ivory is illegal (atleast to get it fr... | eli5_question_answer | {
"query": "Represent the Reddit post:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
Why do major brands like Gucci, Versace or Louis Vuitton (and others) do not advertise their products on tv (except some perfumes)? | [
"To add to the other replies: for these top luxury brands, their own products are their own advertisement. For example, an Armani suit will never bear any noticeable logo, because it doesn't need one. The quality of the materials, the cut, and the fit of the suit is advertisement enough. Any actual visible logo wou... | [
"The gimmicky products can only afford internet adds on sketchy sites, which the vast majority of people ignore. Larger, more well known businesses can pay for proper adds, billboards, tv spots, etc."
] | eli5_question_answer | {
"query": "Represent the post:",
"pos": "Represent the comment:",
"neg": "Represent the comment:"
} |
Why can you hit lower notes louder singing when you've just woken up as opposed to the rest of the day? | [
"Your vocal cords are the most relaxed while you sleep. Like a guitar the less tension the lower the note. When you wake up they are more relaxed so lower notes become easier as your natural range is now lower. After speaking a bit tension will naturally be added through your muscles and your voice goes to what it ... | [
"All I can think of is that singing in falsetto is utilizing another vocal cords than what causes the deep voice. Since they are muscles, maybe you have not trained your normal voice to sing, while the falsetto one has been chilling there, ready to sing. Trust me, I took singing lessons for 3 years."
] | eli5_question_answer | {
"query": "Represent the Reddit post about Health and Wellness:",
"pos": "Represent the Reddit paragraph about Health and Wellness:",
"neg": "Represent the Reddit paragraph:"
} |
How are Asynchronous Calls Used? | [
"Synchronous call - I'll drop you off at the store and wait her until you come back Asynchronous call - I'll drop you off at the store and periodically check to see if you are done Most calls are synchronous because the caller usually wants something right now and can't really proceed without it. But if what the ca... | [
"Being Black Does Actually Have (Relatively Minor) Health Consequences, It's Just That They're Obviated By Modern Life. There's An Energy Cost To Have Extra Melanin, Even A Small One, So If You Don't Need It It Won't Be Selected For. Melanin Reduces Vitamin-D Uptake From The Sun If Sunlight Is Lower Than You're Ada... | eli5_question_answer | {
"query": "Represent the Reddit post:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
Why are houses in parts of the US seem to be often built from wood when there are always natural disasters (hurricanes, forest fires..etc)? Shouldn't they logically build them from concrete/bricks? | [
"cost vs risk. it's cheaper to build every house with wood and to insure them than it is to build it from brick/concrete. home manufactures are a business just like any other. they want to cut costs and offer products that are affordable that makes them the most profit."
] | [
"I guess it's because water and sewage are heavy and therefore would cost more money to build something above ground that could support it. Also it wouldn't be nice to have sewage leaking above ground. As for gas, it's just wiser to put something so flammable below ground."
] | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
how can Cepheid variables be used to determine astrological distance? | [
"* there are Cepheids close enough to earth to measure their distance with more direct methods, like stellar parallax * different Cepheids that appear in the same cluster or galaxies give the same distances * Cepheid distances agree with other measures, such as redshift, novae, and other variable stars > as a reli... | [
"Depends on the star, if it's a binary star it's easy. You just measure the size of the orbit, the stars orbital speeds and their orbital periods and can from that calculate their mass using Keplers third law. For non binary stars you can use [Hertzsprung Russel Diagram](_URL_0_) to get a educated guess from its te... | eli5_question_answer | {
"query": "Represent the post:",
"pos": "Represent the text:",
"neg": "Represent the text about Astronomy:"
} |
Culturally speaking, why is the Mayor of New York City, as a position, such a *big deal* to Americans who don't even live in New York? | [
"NYC is the most important city, culturally and economically in the US. It is probably the most important city in the whole world, especially the western world. It is the city every other big city wants to be. Obviously the person in charge of the most important city on the planet is a pretty important and influent... | [
"Just a long-running joke which gets easy laughs. I think the joke in *How I Met Your Mother* is that Ted is a bit of an elitist, and thinks that he is better than the Jerseyans who visit New York. In *Always Sunny...*, well, they're actually in Philadelphia, but the joke there is they're just mean. Realistically, ... | eli5_question_answer | {
"query": "Represent the query:",
"pos": "Represent the passage:",
"neg": "Represent the passage:"
} |
Why do animal spines allow for sleeping in awkward positions, without causing as much damage as it would to a human spine? | [
"No other animal spends all their time standing on their spine. Our spines are almost totally vertical much of the day, our upper bodies (especially our heads) are large, and since we only have two legs, there's a lot of balancing stress. Basically, our spines are very good at handling compression, because that's w... | [
"I don't know about you but I think our spines are pretty strong when it comes to holding us up and protecting our spinal cord. But the reason why we haven't evolved is because there is no environmental pressure causing humans with weaker spines to die off, leaving only the ones with strong spines to reproduce."
] | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
What is the genuine cause of the shrinkage of schizophrenic brain? | [
"I'd imagine if you could find the actual cause your name would be written in every medical journal for a year straight. At the moment we don't really understand it, but we're gaining more and more information."
] | [
"How do you define your hints of schizophrenia?"
] | eli5_question_answer | {
"query": "Represent the Reddit title:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
Why we only see one face of the moon | [
"It's actually very common for a moon to show only one face to its planet, thanks to [tidal locking](_URL_0_). The force of gravity causes the moon to bulge slightly on the axis pointing at its planet. Over time, this changes the speed of rotation so that the bulge remains in the same place on the moon, with the en... | [
"How can you look out your window and still see the interior of your house?"
] | eli5_question_answer | {
"query": "Represent the post:",
"pos": "Represent the argument:",
"neg": "Represent the argument:"
} |
Why can't the NSA just be ruled unconstitutional and nullified through the courts, for violating the fourth amendment? | [
"They did not break the law because they were under direct court/governmental order to conduct their surveillance. While there are some cases within what they have done that very likely are violations of the 4th Amendment their existence is not a violation, the primary purpose is not a violation, and most of what t... | [
"an act is unconstitutional only once the court rules it that way. if the court doesn't rule it that way, then it won't be unconstitutional. I'm not sure why the supporters think it won't be ruled. A possible reason The Sixth Amendment starts: \"In all criminal prosecutions...\". The court might rule that this isn'... | eli5_question_answer | {
"query": "Represent the Reddit title:",
"pos": "Represent the Reddit text:",
"neg": "Represent the Reddit text:"
} |
Why do airplanes go missing in the bermuda triangle? | [
"There's nothing to explain, as there's nothing mysterious going on. The Bermuda Triangle is a concept invented largely to sell books in the 1970s (though the concept is about 20 years older), and is mystery mongering at its finest. There isn't any larger than expected rate of disappearances in that area (and a sev... | [
"Weather doesn't have to move west to east. Look at the Hurricanes! They move southeast to northwest on the east cost of North America."
] | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit answer:",
"neg": "Represent the Reddit answer:"
} |
How does Apple own the trademarks to a generic word? | [
"It doesn't. It owns the trademark \"Apple\" when it relates to \"computers, computer software, computer peripherals, etc.\", according to [its own website](_URL_0_). It also owns the trademark on the Apple logo. That means you can't, legally, create a computer and call it an \"Apple\". But it doesn't stop you from... | [
"It's used in Scandinavian counties to denote places of cultural significance. It's also the symbol on the command key of a MacBook."
] | eli5_question_answer | {
"query": "Represent the Reddit post:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
Why do toxicology reports for drugs take such a long time after death whereas if you're tested in the ER for drugs the results come within minutes/hours? | [
"It depends on what they are looking for and concentrations. Drug tests are exclusive, meaning you run a test and look if a specific compound is there. The how much of it. In the ER the are most likely only looking for a few things. If you come in looking like a heroin addict they'll test you for it and prob some o... | [
"Most places don't test for alcohol, they do the cheapest blood test, which is a \"5-panel\": - Cocaine - Opioids, like Heroin and Oxycodone - PCP - Amphetamines - Marijuana There are more expensive tests available such as a 9-panel, and there are more comprehensive tests such as a hair test, which can go back mont... | eli5_question_answer | {
"query": "Represent the Reddit post:",
"pos": "Represent the Reddit comment:",
"neg": "Represent the Reddit comment:"
} |
Difference between single phase and three phase electricity | [
"AC electricity has waves of voltage. Essentially the electricity arrives at the destination alternating in peaks of high voltage and peaks of low (or negative) voltage. [Here](_URL_0_) is what it looks like. Now normally there is one peak and one trough in your flow. In three phase power you actually have three ... | [
"Three or 4 wires power lines are 3 phase transmission lines. There is also a thick line that runs under the 3 ones that carry low voltage data like telephone or cable tv."
] | eli5_question_answer | {
"query": "Represent the query:",
"pos": "Represent the document:",
"neg": "Represent the document about Technology:"
} |
How does a watch/phone/whatever know how long a second is? | [
"In a quartz time keeping device (watch or clock), there is a little piece of quartz that vibrates with the addition of electricity (hence the battery operated models). When electricity is sent through the quartz, it vibrates at an exact frequency which can be counted. Once it hits the limit of vibrations, it indic... | [
"> Somehow, it knew the date and exact time without internet access. How is that possible? There is a battery on the motherboard attached to a digital clock, just like in a digital watch. That keeps track of the time even when the computer is not powered."
] | eli5_question_answer | {
"query": "Represent the Reddit post about Technology:",
"pos": "Represent the Reddit sentence about Technology:",
"neg": "Represent the Reddit sentence:"
} |
why Reddit is not worth more than Facebook, Twitter etc | [
"Teach your Grandma to use Facebook, then teach her to use Reddit and see which one goes better. Facebook Imo is currently much more appealing to the average joe. Not to mention Reddit is anonymous and it in no way helps you connect with friends and family. If I post a picture of myself here, a bunch of people woul... | [
"Alien Blue is an official app. It was purchased by Reddit last year. You should download it and see how well it works for you."
] | eli5_question_answer | {
"query": "Represent the Reddit question about Economics:",
"pos": "Represent the Reddit document about Economics:",
"neg": "Represent the Reddit document:"
} |
How are the ears, nose, and throat related? | [
"There's a lot of empty space in your head. Your nose leads to a large space in your head called the nasal cavity, which connects to your mouth & throat behind the roof of your mouth. The purpose of this space is to give air a place to match body temperature, & humidify the air. It also allows for dust & stuff caug... | [
"You have a higher concentration of nerves in your hand than you have in most other places on your body."
] | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit comment:",
"neg": "Represent the Reddit comment:"
} |
If your head gets separated from your body do you die instantly? If not, could you still feel pain in your body or do your nerves not work the same? | [
"As far as deaths go, beheading is rather fast. Your head probably wouldn't die instantly, but would lose consciousness rather fast due to blood loss."
] | [
"Most of your organs don't need commands from the brain to do their job. They can be *affected* by the brain, but they can still run on automatic if disconnected. I'm not sure if this applies to lungs, though. If you sever your spinal cord high enough, do you need to go on a ventilator for life?"
] | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the document:",
"neg": "Represent the document about Medical Science:"
} |
How do we fix currency inflation? | [
"There's nothing to fix, really. It's a feature of the economic system, not a bug. Inflation is a great thing if you're a government, because it reduces your debt over time and forces the populace to invest their money rather than stuff it in mattresses."
] | [
"If we stop paying the fee, the terrorists win."
] | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit post:",
"neg": "Represent the Reddit post:"
} |
How is the observable universe (approximately) 93 billion lightyears in diameter if the big bang occured 13.7 billion years ago? | [
"Space itself is expanding. We know this because the light from distant galaxies is redshifted (stretched out), and the farther away they are the more redshifted they are. So while it is natural to think of the time since the Big Bang as a bunch of galaxies expanding out into empty space - in which case the univers... | [
"Because light travels at a fixed speed (299,792,458 m/s) and the universe (as we know it) has a finite age (roughly 13.77 billion years or 4.354±0.012×10^17 seconds), there are some areas of our universe which we cannot \"see\" via any wave in the electromagnetic spectrum as there is more distance ( > 1.305 x 10^2... | eli5_question_answer | {
"query": "Represent the Reddit question about astronomy:",
"pos": "Represent the Reddit sentence about astronomy:",
"neg": "Represent the Reddit sentence:"
} |
I flip a coin three times and get heads three times. How is the chance of getting heads a fourth time 50%, while the chance of getting four heads in a row is 6.25%? | [
"Getting heads on 1st flip = 1/2 Getting heads on 2nd flip = 1/2 Getting heads on 3rd flip = 1/2 **Getting heads on 4th flip = 1/2** **Getting heads 4 time in a row: 1/2 * 1/2 * 1/2 * 1/2 = 1/16** You're describing two different scenarios."
] | [
"The odds of getting anything other than a 1 are 5/6. The odds of getting anything other than a 1 twice in a row is 5/6 * 5/6. Keep multiplying, and you should find that the odds of rolling anything but a 1 100 times in a row come out to be somewhere around 1x10^-10 or really fucking small in vernacular."
] | eli5_question_answer | {
"query": "Represent the Reddit title:",
"pos": "Represent the Reddit comment:",
"neg": "Represent the Reddit comment:"
} |
Why do we have to swallow to drink liquid, instead of being able to just pour it directly down the esophagus like pouring water down a tube? | [
"The human esophagus (food tube) and trachea (air tube) are connected. There's a muscle response for closing one and opening the other. Usually the air tube is open, and the food tube is closed. To open the food tube, the air tube must close (go ahead and try to inhale while you swallow, it's not possible). This (u... | [
"The air in your nose. For the water to go in your nose the air has to go out first. It is like putting a glass in water upside down, as long as the glass stays upside down the air stays in the glass. Once you turn the glass the water comes out. Your nose is the same way, as long as you keep your head up water won'... | eli5_question_answer | {
"query": "Represent the Reddit question:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
Why are we only able to keep our balance on bicycles, scooters etc when we are moving? | [
"when you're not moving you have no mechanism to correct. assume you're balanced on the bike and making no headway. if you start to go over to the left, there isn't much you can do to shift your center of gravity back to the right. if you're moving and you start to go over to the left, you can use the momentum of ... | [
"Four legged animals travel faster than we do and need balance. So they rely on a tail to keep them balanced, just like how you stick both your arms out when trying to balance, animals have a tail"
] | eli5_question_answer | {
"query": "Represent the title about Physics:",
"pos": "Represent the sentence about Physics:",
"neg": "Represent the sentence:"
} |
Can we ever REALLY run out of water? | [
"It takes energy to clean, purify, and pump water to your house. There is also a finite amount of water that can be stored in the water table, and man made reservoirs. If the rate at which people use (waste) water is greater than the rate a city, town, or other population center can supply water, you'll run out of ... | [
"How do you know they will run out of oil in 50 years?"
] | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit answer:",
"neg": "Represent the Reddit answer:"
} |
If Netflix offers unlimited movies each month, why does Audible cost more and only offer one audiobook each month? | [
"Employee of a rival to audible here: (edit: Not Scribd) We used to offer unlimited streaming of books, but had to move to a credit system because publishers would not get on board with streaming. As such, we were charged the full price of the book once users listened to any amount of the book other than the free s... | [
"Netflix creates new content ( House of Cards, Orange is The New Black) with the hopes that current users and reviewers talk so much and rave about the program that non subscribers sign up just to watch the shows. Netflix's hope is that these users love the content and the rest of the content on the site to continu... | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit argument:",
"neg": "Represent the Reddit argument:"
} |
What is a "handmaiden" in the context of feminism and where did the term originate? | [
"It's likely a reference to The Handmaid's Tale, a book my Margaret Atwood that was recently adapted to television. In the book, a handmaid is effectively a sex slave used for procreation following a great (presumed nuclear) war that rendered huge numbers of people infertile. The society depicted is oppressive part... | [
"So when and where did playing cards as we know them come into being anyways?"
] | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
How do tire tread patterns increase traction? Wouldn't any design have the same effect as long as the contact surface area is relatively the same? | [
"Tires on the road, water, dirt, mud, snow, and ice show how the simplified version of friction learned in high school physics is overly simplified. On dry pavement, high surface area leading to a large shear area leads to grip. In the rain, the ability to avoid hydroplaning by directing water out from under the ti... | [
"> If dry friction does not depend on surface area, why do racing cars have wide tires? You are correct that static friction depends only on the coefficients of friction of the two surfaces, and the normal force between them. But if the contact patch between the tire and the road is very small, slippage (which ther... | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
Why does it take so long for a movie to come out on DVD after leaving theaters? | [
"There is a big commercial reason. Take The Dark Knight Rises. It was released on July 20th. Why that date? Easy, because it's summer, schools out, people are on vacation, and have more free time. Most big-blockbuster films come out around the summertime. So, the movie is released, makes a ton of money, and eventu... | [
"Critics get to see review showings of movies before they're released to general audiences in the theaters."
] | eli5_question_answer | {
"query": "Represent the post:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
Why do cell phone signals deteriorate in mountainous areas? | [
"Firstly, there is a misconception that our phone's signals go to a tower and are transferred to a satellite which are then collected by another tower and then back to the receiver's phone. Nope. The towers are connected by fibre optic cables which allow really fast transmission. The satellite connection only happe... | [
"It's not air pollution. It has to do with the way light refracts on particles in our atmosphere."
] | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
The legality of The Pirate Bay | [
"The basic moral/legal question is if a technology that makes committing a crime easy can be held liable for that crime. TPB doesn't commit any crimes, but they enable others to do so. An offline allegory would be an inventor of perfect lockpicks that could open any lock. Would he be at least partially responsible ... | [
"Because Megaupload stored files where Piratebay not not. The fact the founders of Piratebay were convicted in court of their intent, not the actual content of the site."
] | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the text:",
"neg": "Represent the text:"
} |
How can some advertisers explicitly mention their competition, while others seem to go to great lengths to avoid saying their names. | [
"At least in the US, there's no law against mentioning a competitor as long as you're not saying *provably false* and harmful things about them (eg - Pepsi can't say \"Coke kills puppies\"). Whether or not to mention the competition is sort of a decision that every advertiser needs to make. One school of thought wa... | [
"They sell an actual product. That is what allows them to keep operating. You may not agree that the product has the value that they sell it for, and they do a lot of shady things, but they are not breaking any laws."
] | eli5_question_answer | {
"query": "Represent the Reddit question:",
"pos": "Represent the Reddit post:",
"neg": "Represent the Reddit post about Finance:"
} |
How do some people get "innies" and some people get "outties" for navels? | [
"No one really knows, but there are a couple of theories. One is that outies are the result of an umbilical hernia, which is the reasoning behind the old wives tale about silver coins and whatnot. Another is that, for any number of reasons, outies are caused excess scar tissue left after the cord stump falls off. S... | [
"Follow up question, why do I have like three times as many hairs around my left nipple than my right one?"
] | eli5_question_answer | {
"query": "Represent the title:",
"pos": "Represent the answer:",
"neg": "Represent the answer:"
} |
If a presidential candidate dies, what happens? | [
"Then that party would have to very quickly select another candidate. There are deadlines that are supposed to be met for a person's name to appear on the ballot. However, election officials and courts have shown lenience on these in the past in the interest of having the two major parties both on the ballot. Ballo... | [
"It's not about how many times you have run, it is about how many terms you have served. You can only serve two terms as president, and in the case of succession, like an assassination, the cutoff for deciding whether or not a term has been completed is two years. If the VP becomes president the day after halfway t... | eli5_question_answer | {
"query": "Represent the query:",
"pos": "Represent the sentence:",
"neg": "Represent the sentence:"
} |
Can one live off distilled water? Will there be any side effects? | [
"No. There are no nutrients in water and you will die a lingering death of starvation. Now eat your dinner."
] | [
"Once carbonated water gets into your stomach it is just as regular water. The canonization process does not remove any minerals or anything. It just makes the water more acidic. The only effects this have apart from the fizz and the taste is that it damages your teeth and causes you to burp more. There is no other... | eli5_question_answer | {
"query": "Represent the post:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
Why isn't Mitt Romney releasing his tax returns? | [
"Simple: He's calculated that the political damage of not releasing his tax returns is less than the political damage of releasing them."
] | [
"After 1999, Bain did a number of things like help companies outsource jobs oversees. Romney has always claimed he was no longer with Bain at the time, but Bain lists him as CEO as late as 2002, and apparently paid him a salary. Even worse, he filed federal papers saying he was not with Bain after 1999...lying on f... | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the answer:",
"neg": "Represent the answer:"
} |
If humans are omnivores, why do we have to cook food? | [
"The two of them have nothing to do with one another. An omnivore is just something that eats plants and animals. We cook our food due to generational adaptations from evolution. When humans were first starting they used sharp rocks to scavenge, as technology advanced, so did fire. Fire was just a way for the human... | [
"No, carnivores only eat meat, omnivores eat both, and herbivores don't eat any meat. Humans are naturally omnivores, we are built for, and have always ate both meat and plants."
] | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
Why can't I listen to music while reading, but doing math seems to be easier with some tunes playing? | [
"Yes, but they require you to use different parts of your brain. Without going too much into different lobal regions of the brain and their functions, you process reading and music in the same brain regions, because they're both \"verbal\" processing. Obviously, reading isn't verbal processing, but it is still lang... | [
"I just listen to it when studying or working out because the rhythm pumps me up and it has no words to distract me when I'm trying to write a paper."
] | eli5_question_answer | {
"query": "Represent the query:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
why the US doesn't recognize the results of the Crimean vote to join Russia? | [
"Because an election held when armed partisans roam the streets is not gonna be a fair election."
] | [
"They have not chosen to apply to be States yet. Puerto Rico was close to voting to apply for statehood a few months ago though."
] | eli5_question_answer | {
"query": "Represent the Reddit post:",
"pos": "Represent the Reddit argument:",
"neg": "Represent the Reddit argument about American government and politics:"
} |
Why does it feel less cold when snow is coming down? | [
"You may be forgetting about the wind chill factor. If the air is calm, it will only feel as cold as it actually is. If, however, the wind is kicking up a storm, it will feel several (even up to twenty or so) degrees colder, because the cold air is rushing over you."
] | [
"Because of differences in the temperature of the upper atmosphere. If it's below freezing up in the clouds, snow will form even if it is above freezing on the ground."
] | eli5_question_answer | {
"query": "Represent the Reddit post:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
What's the deal with the Greece, Macedonia and FYROM name dispute? | [
"The ancient region of Macedonia covers both the modern day country of Macedonia (FYROM) and part of Greece. The modern day Greek part is a region also called Macedonia. Both Greece and FYROM claim the history and cultural heritage of ancient Macedonia. Macedonia was the kingdom of Alexander the Great, so it has a ... | [
"Just asked this in the other sticky, but maybe this is the better place for it: Does anyone have any good book recommendations about the Nigerian Civil War or about Biafra as a country?"
] | eli5_question_answer | {
"query": "Represent the Reddit title:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document about Literature:"
} |
What's the deal with those spiky logs that people punch in martial arts movies? | [
"[Muk Yan Jong](_URL_0_) are basically training dummies used to practice striking forms, most famously in Wing Chun, but also in many other martial arts. There are various types, but Wing Chun's is most famous. Your best bet would be to look at /r/wingchun and /r/kungfu, heck even /r/martialarts may help. It is... | [
"If tigers could hang upside down in your bedroom and climb down on a rope coming out of their asses nobody would talk about spiders"
] | eli5_question_answer | {
"query": "Represent the post:",
"pos": "Represent the answer:",
"neg": "Represent the answer:"
} |
Why did standardized lithium battery sizes never become prevalent in consumer devices unlike AA , AAA, etc? NiCd batteries became prevalent, why not the same for lithium ion? | [
"Probably cost. There's plenty of consumer devices that use standard sized lithium batteries though. 18650 is a very popular standard size for lithium batteries."
] | [
"Nope. Not always anyway. The memory effect was a phenomenon in NiCd and NiMH type rechargeable batteries. Most batteries these days use Li-Ion, which is actually harmed by doing full depletion cycles."
] | eli5_question_answer | {
"query": "Represent the query:",
"pos": "Represent the passage:",
"neg": "Represent the passage:"
} |
Why do some helicopters need tail rotors and others do not? | [
"The main rotor on top creates lift, but the drag from the blades as the go around rotates the helicopter so it will tend to turns in one direction (which way depends on the model of helicopter). When the helicopter is moving forward quickly the tail stops the helicopter from turning. However at low speeds the tail... | [
"The ELI5 version: Big fan on top pushes down, causing the helicopter to go up. The little fan in back keeps the body of the helicopter from spinning due to the torque created by spinning the big fan. Tilt the fan forward, you go forward. Tilt it left, you go left. The reality is helo aerodynamics are very complex... | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the answer:",
"neg": "Represent the answer:"
} |
Is eating late really harmful? Why/why not? | [
"It was believed that eating late promoted weight gain because you would be asleep and not burning off the calories. In reality as long as you keep your calorie count below your recommended daily intake, and don't eat anything that will disrupt your sleep you'll be fine. (Some people get nightmares from spicy or gr... | [
"Your body is telling you to quit smoking. Listen to it."
] | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
how XL ink cartridges are the same size but have twice as much ink? | [
"This is an easy one. Normal cartridges are a lot of dead space. XL ones are also a lot of dead space. Just less of it."
] | [
"Generally ball ink is cheaper, plus it lasts a lot longer because instead of the cartridge needing to hold three different coloured inks, it holds just black, meaning it has 3x as much black as any single colour in the other cartridge."
] | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
How does salt used for melting ice/snow work? Also, is there a temperature at which it is no longer effective? | [
"Salt raises the boiling point of water and lowers the freezing point. The normal freezing point of water is 0C/32F, and adding salt lowers the freezing point by a few degrees, which usually is enough to melt ice and snow back into water."
] | [
"Because the water apparently contains high concentrations of salts. Salt soluted in water both lower it's melting molt and increases it's boiling point. It's the reason we use salt to combat ice during winter and why salt water starts boiling slightly later if you add salt before heating."
] | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit sentence:",
"neg": "Represent the Reddit sentence:"
} |
Why are murderers and serial-killers so notoriously famous in America? | [
"They aren't glorified, people just remember what they did because it was that messed up. It's part of our history to be messed up in the head!"
] | [
"Jodi is an attractive female and society is astounded when attractive females commit horrible crimes. Its the same reason Casey Anthony was so popular."
] | eli5_question_answer | {
"query": "Represent the Reddit title:",
"pos": "Represent the Reddit paragraph:",
"neg": "Represent the Reddit paragraph:"
} |
Sometimes my phone's change with go from say 3% to 7% if I leave it alone for a long time. Is it actually regaining charge? | [
"Your battery app calculates the remaining battery based on the battery power currently being used (mV) and your usage since it was fully charged. That's why you can generally do calibration to correctly measure the current battery status and range of it. Usually, if we ignore very little variations in the batter... | [
"Because you phone isn't completely dead yet. It \"shuts down\" when it has a small about of power left and uses that remaining power to display the low power message and keep your data open."
] | eli5_question_answer | {
"query": "Represent the post:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
why is it that the Chernobyl exclusion zone won't be inhabitable for 20,000 years but Fukushima won't be for another 20-30 years? | [
"The Fukishima wasnt nearly as bad as Chernobyl,Chernobyl had almost no safety stuff in place, and the plant literally exploded. Fukishima was operating with full safety protocol, and had ro be shutdown, it dodmt explode"
] | [
"You mean like giant tortoises, which live to be over 150? Or deep sea perch that can live to be over 140? Or Glass Sponges that live to be over 10,000 years old?"
] | eli5_question_answer | {
"query": "Represent the Reddit question:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
When something hurts, why do we feel compelled to touch/mess with it? | [
"I do not know for sure, but I think this has something to do with your body trying to assess just how hurt it really is. Some automatic process kicks in, and you feel compelled to touch that bruise to see just how much it hurts. If you should be more careful with it, w/e. Although, it could be related to learning... | [
"Itching is a habit our body developed as a way to protect us, just like feeling hot or cold. It lets our body know that something bad might be endangering it. Our body has things called \"pruriceptors\", tiny itch-sensing nerve-ends. Whenever our body is in a bad situation, whether it's \"real\" (like hot or dry s... | eli5_question_answer | {
"query": "Represent the query about Biology:",
"pos": "Represent the passage about Biology:",
"neg": "Represent the passage:"
} |
How the hell do Seals swim on top of the water? (Picture) | [
"In a word: buoyancy. Their body must be, on the whole, less dense than water, which causes them to float."
] | [
"Big trucks have Big engines. Big engines make lots of heat. All cars and trucks have a part called a Radiator. The Radiator is where all the heat from the Engine goes. The Radiator is put just inside the front of the Car or Truck so the air can take the heat away as the Car or Truck drives. Big Trucks have Big eng... | eli5_question_answer | {
"query": "Represent the post:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
Just got an IT position working in a hospital, and I keep getting complaints of being cocky. Can someome explain to me how to apply my knowledge/experience and answer questions without coming off as cocky? | [
"Pause for 2-3 sec before answering questions and before answering, repeat what the person is asking to be sure you understood them. People generally want to be heard and label people cocky, when they feel like that person only wants to hear themselves talk."
] | [
"They are bull. Try to find the most interesting answer that cannot be construed as offensive. These people are hiring coworkers. They want you to be smart, self sufficient, not a company liability, and not a douche bag."
] | eli5_question_answer | {
"query": "Represent the Reddit post:",
"pos": "Represent the Reddit text:",
"neg": "Represent the Reddit text:"
} |
Why am I more motivated to do stuff when I try to fall asleep? | [
"This was asked on this thread recently, and I believe the answer was basically, When you're in bed it's easy to decide things because at that exact moment, you're not going to start/do whatever it is because...you're going to bed. Even your mind knows that it will feel good to plan things, but that you will at le... | [
"Because it helps to take your mind off of the embarrassing thought. I do that a lot when I'm hung over."
] | eli5_question_answer | {
"query": "Represent the Reddit query about Sleep and boredom:",
"pos": "Represent the Reddit document about Sleep and boredom:",
"neg": "Represent the Reddit document:"
} |
Why Isn't 'Being a Qualified Scientist' one of the requirements for a job as Chairman of the Committee of Science and Space (Example: Ted Cruz)? | [
"Because there aren't enough scientists/doctors/teachers in Congress to make that workable."
] | [
"Congress = Parliament Senate = House of Lords House = House of Commons"
] | eli5_question_answer | {
"query": "Represent the query:",
"pos": "Represent the paragraph:",
"neg": "Represent the paragraph:"
} |
How exactly is the westboro baptist church Still able to go and blatantly slander and picket Funerals without legal prosecution. | [
"Because it's not illegal to picket funerals. They're not slandering anyone; they're not publicly claiming false things about them."
] | [
"In America we have very strong free speech laws which means that you can say whatever you want as long as you are not directly threatening someone. You can not ban a political opinion just because it it is deplorable, even if the whole country is against it. We fought Saddam Hussein too, it is not illigal to suppo... | eli5_question_answer | {
"query": "Represent the Reddit title:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
Why is putting your feet up more comfortable than sitting with feet flat on the ground? | [
"< guessing > Blood flow and/or pressure to the legs and feet relieve any build up of lactic acid, eases tension, or muscle cramping"
] | [
"Before the invention and wide distribution of the chair, everyone relaxed like that. A life time of sitting in chairs will make your hamstrings, and the muscles and connective tissue in your thighs, calves, and lower back less supple, to the point of making squatting uncomfortable or even painful. In parts of the ... | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the argument:",
"neg": "Represent the argument:"
} |
Why does a black jacket appear purple indirect sunlight? | [
"Most black dyes are really deep blue mixed with deep red and a little yellow. The combination absorbs most colors, making your eyes see it as black. Indoor light is almost always weaker than sunlight. More light means more of your cones (the part of your eyes that see colors) activate, so you are able to notice th... | [
"Depends on what you mean by \"has colour\". A blue scarf doesn't stop having the ability to reflect blue light just because there's no light on it right now."
] | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
how seeing eye dogs know where to go. | [
"Seeing eye dogs are guided by the blind person. They are trained to do what the human wants unless it would be unsafe. They keep humans from walking into holes or in front of cars, they are not GPS devices."
] | [
"I call this an apple what do you call it? This is how I write apple how do you write it. Same idea for grammar"
] | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the text:",
"neg": "Represent the text:"
} |
How can one country sue another. Who represents a whole country? Who adjudicates? | [
"When a country gets sued, it is represented by the government of that country. The authority which judges the case is the one which both parties agree on. For example, various cigarette companies sued the Australian government over their plain packaging laws. They did it from their (from memory) offices in a count... | [
"> Can't we have a global regulatory authority which allows for buying stuff from other countries Who should lead this global regulartory authority? China? India? Russia? Sudan?"
] | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
Why are men bigger than women? | [
"Sexual dimorphism reduces mating resistance. Yes, that means what you think."
] | [
"Why do people in Western countries use forks?"
] | eli5_question_answer | {
"query": "Represent the Reddit post about biology:",
"pos": "Represent the Reddit passage about biology:",
"neg": "Represent the Reddit passage:"
} |
Why do women basically HAVE to buy their wedding dress while men can just rent their wedding tux? | [
"Becsuse all tux's basically look the same, just different sizes and are a basic loose fit. Easy for many men to wear the same thing. But theres a bajillion styles of wedding dresses and different styles for different shapes and they're usually fitted. Odds of finding a generic sized dress in a style you like that ... | [
"Women's clothes change more because we have more to choose from. There are shirts, blouses, suits, skirts, dresses, pants, etc that we can choose from. Men get to basically wear the same style of clothes no matter what: pants and shirts. So, that's why. Most men don't care about being fashionable (as sexist as tha... | eli5_question_answer | {
"query": "Represent the title:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
How does radiation work? | [
"Radiation can refer to many things, from sunlight to radio waves. You most likely mean ionizing radiation, as comes from things like nuclear reactors and atomic bombs. Contrary to popular belief, once such radiation hits you, it doesn't stay forever; it's gone, much like sunlight, but it can leave behind a much wo... | [
"Are you asking how a wheel works ?"
] | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the passage:",
"neg": "Represent the passage:"
} |
Is it (theoretically) possible to create a 'reverse microwave' that could cool down food/drinks? virtually a 'stop the molecules from dancing'-machine.. if not: why can't we reverse the process? | [
"It's much easier to set particles in motion (heat) than to slow them down (cool). But you can use electro-magnetic radiation to cool things, like this: _URL_0_, and even this: _URL_1_"
] | [
"it's cooling the \"microwave emitting plate thingys\" they eat a lot of power and subsequently generate a lot of heat like a computer motherboard."
] | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit text:",
"neg": "Represent the Reddit text:"
} |
Why does it feel cold when I blow on my hands but warm when I breathe on them? | [
"When you blow with pursed lips, you're creating a pressure build up in your mouth. When the pressure escapes it is at a high enough speed to draw the room air into the stream of air that you're blowing. Since room air is cooler than body temp it feels cold. If you blow directly into your closed hands, it still fee... | [
"Our bodies can only feel *differences* in temperature, not the actual temperature. For example, you can set up 3 bowls filled with cold, room temperature, and warm water. Put one hand in the cold water and the other hand in the warm water for a minute. Then put both hands in the room temperature water. The hand th... | eli5_question_answer | {
"query": "Represent the post:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
"It went down the wrong tube" | [
"You have 2 \"tubes\" that split off from your throat. One goes to your lungs, and one goes to your stomach. When you are eating, and swallow, you close off the tube that goes to your lungs, so that the food/drink goes to your stomach. Sometimes, if you are eating and talking at the same time, some food/drink will ... | [
"Lars got a stick that's quite deep up his butt"
] | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the argument:",
"neg": "Represent the argument:"
} |
Why isn't all the armor, weapons, clothing, etc from medieval times still around? Why isn't there a large quantity of, say, Roman armor piled up somewhere? | [
"Metal is valuable and expensive. Most of it would have been melted down and used as something else once its useful life as armor or a weapon or whatever was over."
] | [
"I like most of the answers below, especially m4nu, but there's one big thing no one's mentioning: Armor. As technology progressed, muskets made armor utterly useless. Then, when hand to hand combat did occur, there was no need for a sword so heavy it would break a man's ribs through iron, just something to stab hi... | eli5_question_answer | {
"query": "Represent the query:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
On a frosty morning, when I defrost my car windshield with a spray, why does the inside fog up in the meantime, when it was clear on the inside to start with? | [
"Melting is an endothermic process - meaning that when you spray de-icer onto the window and the frost melts, the window actually gets _colder_. If the temperature of the window drops below the dew point of the air, then condensation will occur."
] | [
"The surface of the ice cube has a rough texture when first coming from the freezer. By putting it in warm water, the water smooths the surface and you see the underlying clearness of the ice. It's like wiping the fog off of your bathroom mirror after a shower, except the fog is frozen to your ice cube. It has noth... | eli5_question_answer | {
"query": "Represent the post:",
"pos": "Represent the comment:",
"neg": "Represent the comment:"
} |
How do people pitch ideas to companies and not get them stolen? | [
"Companies do this all the time. You need to thoroughly document your idea, preferably with a lawyer witnessing, before you go and pitch it to a major company. Write everything down and date it, and make sure everything is a legally recognized document. Always cover your own ass."
] | [
"Because an idea takes a lot of time and dedication to implement. If someone's stealing it, they're already late to the game and without the initial motivation (and probably understanding) that started the original idea. Also, it's very common for successful ideas to be laughed at in the beginning, instead of stol... | eli5_question_answer | {
"query": "Represent the query:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
How do international voting observers work? I hear them being in Russia and other politically unstable / dictatorial areas but haven't been interested until I heard the US will host them this election. | [
"> Do they just go to a couple sites and see if people are doing something wrong? or do they go behind the scenes during the vote counting to count with officials? Both. Accredited observers, including international observers, *can* proceed to mill around the site throughout the day, looking incredibly bored, up to... | [
"A certain one seems to get a lot of information from Fox News. But in general I believe they are briefed by various agencies depending on the situation, which can include intelligence agencies, and the governments also talk to each other. But in many cases they don't seem to know that much either, like when a big-... | eli5_question_answer | {
"query": "Represent the post:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
Why do programmers hate using "GOTO" so much? | [
"GOTO makes a program hard to read. The main reasons functions are used instead of GOTOs is that they are easier to modify, debug, and understand without going into details of how they are implemented. In a nutshell, functions may take a tiny bit more time to code than a GOTO, but GOTOs are really just hacky and br... | [
"Yer not alone in askin', and kind strangers have explained: 1. [ELI5: how are computer programming languages (Java, Python, C/C) actually developed? ](_URL_7_) 1. [ELI5: How was the first computer program made if there was no program to make it in? ](_URL_2_) 1. [ELI5: How did the first computer get programmed? ](... | eli5_question_answer | {
"query": "Represent the title:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
what is cognitive dissonance and how it works? | [
"Cognitive Dissonance is when you have two or more competing thoughts. For example; let's say you think that the world is flat. You were taught this as a child, and believe it to be the truth. You're an adult now, and you've never questioned the validity of that truth. Then, while in a science class, you watch the ... | [
"philosophy is the study of problems, ideas and concepts such as existence, knowledge, values.... that sorta stuff. psychology is the study of the human brain, and about how people think and feel etc. extremely different fields"
] | eli5_question_answer | {
"query": "Represent the Reddit question:",
"pos": "Represent the Reddit comment:",
"neg": "Represent the Reddit comment:"
} |
How does a Javelin Rocket launcher track moving targets. | [
"> How does a Javelin Rocket launcher track moving targets. It has an automatic infrared guidance system which locks on to a heat signature and will adjust the two rear fins in order to steer it toward the target."
] | [
"It is to a large degree a technology experiment. They decided to try a large number of new technologies on the same ship, and over time it will become apparent which are most valuable. For example: - Stealthy design - Boat launching bay - Rocket-based cannon system - High electric generating capacity"
] | eli5_question_answer | {
"query": "Represent the Reddit post:",
"pos": "Represent the Reddit answer:",
"neg": "Represent the Reddit answer:"
} |
Why do horses need horse shoes? | [
"They don't, strictly. Wild horses and zebras and the like get along fine without them. Domesticated horses are normally put under more stress than their wild counterparts, however. Just carrying a rider is a significant amount of extra weight; draft horses have to haul much more, and usually have to do so at faste... | [
"Horses can and do get frost bite on their ears."
] | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit sentence:",
"neg": "Represent the Reddit sentence:"
} |
Why is cancer so common nowadays? | [
"Because people live long enough to get cancer. The more and more your cells divide, the greater your chances of getting cancer, so as people don't die in their 50s of heart attacks, they get cancer in their 70s. Also, several types of cancer are way down."
] | [
"Can someone explain the difference between Dementia and Alzheimer's, please?"
] | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
ELI5:Why is there a need for the LA Country Sheriff's Department rather than just letting LAPD service that area too? | [
"There are many cities within a county. So cops from the City of Los Angeles do not patrol in other Cities, such as Beverly Hills or Santa Monica. LA County services cities who cannot afford their own police force, plus all unincorporated areas. LA County sheriffs can patrol anywhere but focus on their areas."
] | [
"Its based on their jurisdiction: State troopers - Manage the whole state, typically enforce laws on interstate roads or handle crimes spanning the whole state. Managed by the governor of the state. Sheriffs / County offices - Manage policing for the county. A lot of areas arent incorporated into towns or cities s... | eli5_question_answer | {
"query": "Represent the post:",
"pos": "Represent the comment:",
"neg": "Represent the comment:"
} |
God's involvement in curing disease | [
"I look at it like a person that is going to walk into a convince store. If someone is there and holds the door open for me I say \"thank you\". If no one is there to open the door I do not curse the man that should have been standing there for not opening a door for me. The door is an obstacle. The door was made b... | [
"lack of understanding, ignorance, bigotry, or even being told it is wrong by authority figures."
] | eli5_question_answer | {
"query": "Represent the post:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
What is a game loop? | [
"If you're making a game, you need stuff to constantly be moving, otherwise you're just looking at a picture. So you create an infinite loop that keeps running itself, and inside that loop are stuff like physics calculations and drawing methods, etc. In java, it might look something like this: while (running == t... | [
"> Is there anything more to it? Turn left."
] | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit post:",
"neg": "Represent the Reddit post:"
} |
Is a satellite orbiting the Earth (falling indefinitely) not technically a perpetual motion machine? | [
"Reducing its kinetic energy would drop it into a lower orbit until the atmosphere deorbits it. Besides to put the energy into it we need to use rocket fuel."
] | [
"zero gravity technically doesn't exist in our universe, as gravity attracts all masses to each other regardless of distance (just the effects are incredibly small at long distance). zero-g is the term used for perpetual freefall of something in orbit. You basically have such a high horizontal velocity that you are... | eli5_question_answer | {
"query": "Represent the query:",
"pos": "Represent the document:",
"neg": "Represent the document about Physics:"
} |
How do artists price their art? | [
"My sister in law paints abstract pieces (mostly oil on canvas) and sells them. She admits that her pricing feels arbitrary. It's definitely not based on time spent or on materials. She'll often spend several hours on a piece only to whitewash it and start again. She'd tell you that it's based mostly on feedback fr... | [
"How much do they cost vs how much will they generate."
] | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit comment:",
"neg": "Represent the Reddit comment:"
} |
How does the budgeting process for presidential travel and security work? | [
"The reality is that he is the POTUS - no one really has the authority to say no to him. As a general rule, he goes where he wants to go and does what he wants to do. (Now there are _some_ restrictions to this, but they are about his safety rather than his agenda. For example, the POTUS is not allowed to drive beca... | [
"Promote themselves, buy air time, fund cross country travel, manage staff, etc. Running for a major office is expensive."
] | eli5_question_answer | {
"query": "Represent the Reddit title:",
"pos": "Represent the Reddit answer:",
"neg": "Represent the Reddit answer:"
} |
why it costs so much to repair a hard drive or recover data? | [
"If the hard drive can't be recovered by software means they have to physically disassemble it and then read each platter individually. To do this requires a Clean Room (even a single speck of dust will destroy the hard drive forever), some sophisticated equipment, and many hours of time for a highly-trained profes... | [
"It's not easy, it's just possible. There's a difference. You can take your flash drive to a data recovery service and they may be able to save it, but it'll cost you out the nose. But also, junked computers usually have data just deleted off of them, which leaves it still sitting on the drive if you know how to pu... | eli5_question_answer | {
"query": "Represent the query:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
Why is the periodic table the way it is? And metals that don't resemble metal? | [
"> How are things like calcium and potassium known as \"metals\" (alkali earth metal, and alkali metal respectively) but when I see a calcium or potassium pill it looks nothing like a metal? Pills don't contain calcium or potassium metals, they contain calcium and potassium compounds. [Pure calcium metal looks like... | [
"Partly because it's relatively rare. Partly because, compared to other metals like iron and copper, it doesn't oxidize as much."
] | eli5_question_answer | {
"query": "Represent the query:",
"pos": "Represent the paragraph:",
"neg": "Represent the paragraph about Economics:"
} |
Why do people do drugs(Cigarettes, meth, etc.) when they know it's bad for them? | [
"Some of them have effects that \"feel good\" to them. Weed might make you relaxed, cigarettes might help take the edge off, heroin will make you feel good. Depending on the social situation of the person and the disposition to addiction or risky behavior, a person might try a drug regardless of their knowledge of ... | [
"If you drink coffee every day to wake yourself up in the morning, you will eventually become addicted. How would this contribute to you becoming addicted to alcohol, tobacco or methamphetamines? They're completely different drugs with different effects, different feelings and, most importantly, different chemistry... | eli5_question_answer | {
"query": "Represent the query:",
"pos": "Represent the answer:",
"neg": "Represent the answer:"
} |
What makes Nuclear bombs so much more powerful than 'normal' bombs? | [
"Normal chemical reactions don't affect the number and type of atoms present in a system. However, in larger atoms, the bonds the nucleus of an atom contain a significant amount of energy. A fission weapon attempts to exploit this by firing neutrons at a semi-stable atom (like uranium 235), creating an unstable p... | [
"Aside from Fat Man and Little Boy being the only two nuclear weapons that existed at the time, it really wasn't that powerful compared to modern nukes."
] | eli5_question_answer | {
"query": "Represent the query:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
How come when viewing a video in slow motion, the voices are so deep | [
"The pitch of sound depends on its frequency (number of waves over time). The higher the frequency the higher the pitch. When you slow down a video, you also slow down the frequency of the sound waves (they are being emitted as slowly)."
] | [
"Sounds dont get longer the more there is, if you look at the video you can see that the videos arent all playing at the same time, there's a delay in some which can be seen by the wave like motion of the videos in the later parts of the video."
] | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit answer:",
"neg": "Represent the Reddit answer:"
} |
Why do African-American women commonly wear weaves/wigs? | [
"Society isn't a huge fan of the natural way many african american women's hair grows so fake hair is easier than chemical straighteners or something."
] | [
"Hair gets brittle with age, short hair has fewer split ends. Curly hair covers up bald patches better than flat hair. They're mostly styling/coloring their hair anyway, may as well curl it. It's the fashion of their generation. Why do teens style their hair as they do? Because their friends are doing it."
] | eli5_question_answer | {
"query": "Represent the Reddit post:",
"pos": "Represent the Reddit text:",
"neg": "Represent the Reddit text:"
} |
Why is when someone is being interviewed on a channel like CNN, is there a delay between when they ask a question and the response. | [
"Because the signal needs to go from where the question is asked, to a modem, to a cell tower or dish array, to space, back to a cell tower or dish array, to another modem, and then then to the speaker wherever the interviewee is. It takes time for digital information to travel, even on \"live\" television."
] | [
"You call the station and someone answers, they ask you what you're planning to say. If they decide your story is acceptable they will usually put you through to a point where you say your thing and it's recorded. The recording will then be played on-air and the hosts will talk about it. If it's a conversation type... | eli5_question_answer | {
"query": "Represent the Reddit question:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
why is grapefruit bad for diabetics? | [
"it’s not inherently “bad” grapefruit contains compounds which contribute to several drug interactions, but many diabetes meds do not have this problem. the only thing that otherwise could potentially be harmful is the sugar content, but in that sense it’s no different than other fruits..."
] | [
"1. Take Tylenol for a fever 2. Take ibuprofen for aches/ pains 3. Take aspirin as a blood thinner to prevent heart attack (when recommended by your doctor) 4. Don't take too much"
] | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit answer:",
"neg": "Represent the Reddit answer:"
} |
What does the plus sign (+) at the start of mobile phone numbers do, and when do you need it? | [
"It's called an [\"exit code\"](_URL_0_) used for international dialing."
] | [
"What do you mean? Your question needs to be a bit more specific. Are you asking what it is? Or how it's set? Or how the payments are made?"
] | eli5_question_answer | {
"query": "Represent the title:",
"pos": "Represent the answer:",
"neg": "Represent the answer:"
} |
Babylon in Reggae culture. | [
"It's related to the fact that a lot of reggae lyrics have their roots in Rastafarian culture. In Rasta beliefs, 'Babylon' represents the greedy, corrupt, materialist white/western society, while 'Zion' is their promised land, tied to Africa and particularly Ethiopia. _URL_0_"
] | [
"The Art of War in the Western World - Archer Jones"
] | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document about Education:"
} |
what is dark matter? Why is is not just "non-matter"? | [
"No one knows what it is (thus the place-holder name \"dark matter\"). It is different than real matter because, aside from having a gravitational effect on real matter, it does not otherwise interact with real matter."
] | [
"dark matter exists wherever matter exists. galaxies form inside pockets of dark matter. in fact, galaxies are not dense enough to be kept together under just the gravity of matter, so they would fly apart without it. dark matter is coursing through your body constantly. trillions of particles per second, probably.... | eli5_question_answer | {
"query": "Represent the Reddit post:",
"pos": "Represent the Reddit text:",
"neg": "Represent the Reddit text about Physics:"
} |
- How Come Astronauts Take Off Vertically? | [
"The problem is that, unlike an aircraft, anything headed into orbit (or beyond) needs an *insane* amount of speed. At the speeds involved, air resistance becomes a **much** bigger hurdle than you see for things like airplanes, which move at a nice, slow 500 mph. At 500 mph, air resistance is just a minor nuisance... | [
"Being Black Does Actually Have (Relatively Minor) Health Consequences, It's Just That They're Obviated By Modern Life. There's An Energy Cost To Have Extra Melanin, Even A Small One, So If You Don't Need It It Won't Be Selected For. Melanin Reduces Vitamin-D Uptake From The Sun If Sunlight Is Lower Than You're Ada... | eli5_question_answer | {
"query": "Represent the Reddit post:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
If colored ink is so expensive, how do companies print color on packaging for so cheap? | [
"Colored ink is not expensive. Colored ink that has been put into cartridges that will work in the particular inkjet printer you own is stupidly expensive, because the same people make the ink cartridges and the printers and have locked you into their ink cartridge ecosystem. Take your old genuine cartridges to C... | [
"They probably don't print those on shitty inkjet printers, but on large professional printers that are much more expensive to buy and maintain but have a certain economy of scale when it comes to raw materials consumed. Printing these ads and coupons is likely a lot less expensive for them than it would be for you... | eli5_question_answer | {
"query": "Represent the Reddit question:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
mobile game leaderboards. How are the scores so high? | [
"Ridiculous scores are often compromised by modifying source code of the game to put out enormous values regardless of the outcome. You could see them where developers didn't included some kind of score confirmation or give a shit about leaderboards."
] | [
"Because ads are stored on seperate special servers, requiring less time to load and search for the video ID. Source- a post from a few days ago where this same question was asked."
] | eli5_question_answer | {
"query": "Represent the Reddit post:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.