query stringlengths 19 300 | pos list | neg list | task stringclasses 1
value | instruction dict |
|---|---|---|---|---|
How were recordings taken during WWII? | [
"Militaries have members who's duty it is to record and photograph combat and other activities. They are collectively referred to as \"Combat Camera.\" A lot of the footage you see in documentaries is also staged footage of exercises and demonstrations for propaganda and training films."
] | [
"Follow up, if this warrant a new post please tell me: How did politicians and the general public react when they found out these companies were aiding Nazi forces in WW2?"
] | eli5_question_answer | {
"query": "Represent the Reddit title:",
"pos": "Represent the Reddit passage:",
"neg": "Represent the Reddit passage:"
} |
How can a cook be a janitor at the same time? Doesn't that break some kind of health code? | [
"> Doesn't that break some kind of health code? Not as long as he practices good hygiene. It's conceptually no different from him cleaning his own toilet at home before coming to work. Or him using the restroom himself while at work. He just needs to thoroughly wash his hands afterwards."
] | [
"Isn't it just another way to take your mind off it?"
] | eli5_question_answer | {
"query": "Represent the Reddit title:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document about Health:"
} |
why when someone gets the all clear that they are cancer free they still have a high chance to get it back? | [
"It's almost never 100% cancer free. Doctors generally call it \"in remission\" when you complete cancer treatments, and there is still a high chance of cancer cells being missed. Even with cancers that can be removed by removing the body part (breast and ovarian cancer) there is the chance that cancer could spread... | [
"yes, if the cancer is treatable, not all cancers are treatable. also, how many people do you know that actually have yearly physicals? it's better to cure the problem than to cure the symptoms."
] | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
Why do they use the name "Roger" for an alternative to affirmative? | [
"Ah, a question for an old person to explain. Radio transmission quality used to be very poor. There was a great deal of static, and the static sounded very similar to \"essssssss\". There was also wow and flutter effects, which means that the radio had a tendency to spontaneously make a sound that sounded a lot li... | [
"In a related question, where the hell do Brits get the \"F\" in Lieutenant?!"
] | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the argument:",
"neg": "Represent the argument:"
} |
When gold miners create huge quarry-sized areas with their mining, do they eventually attempt to return the area to how it was? | [
"It depends on what the government requires. From a purely economic standpoint, its cheaper just to leave the area when they're done. Given enough time and weather, the area will eventually return to a somewhat natural looking environment, though it's usefulness is dependent upon what waste is left in the soil. Pas... | [
"It depends on the location and environment. If the site was an ancient village or town that was abandoned and left to the environment, then over time nature would reclaim it. Anything that wasn't quickly degradable would be covered up by dirt, plants, grass, trees. Wind and water can easily build up dirt and engul... | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit passage:",
"neg": "Represent the Reddit passage:"
} |
Why do anti-smoking companies spend so much money on commercials? | [
"The master settlement agreement between the states and tobacco companies provided funding that was required to be spent on anti-smoking ads. This money funds these ads. It also set aside an immensely larger amount to pay for health care related to tobacco use (most of the states issued bonds monetizing decades of... | [
"Because the alcohol and tobacco companies have more money than God and use some of that to pay lobbyists. Remember the fallout for cigarettes in the 90s? Did you notice they are still around, except Joe Camel can't peddle directly to kids? Yeah."
] | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
- If the body's internal temperature is roughly 37 degrees Celsius, why does it feel really hot when the outside temperature is 37 degrees Celsius? | [
"Our skin is a natural heatsink. The heat from our core warms up the skin which is cooled down by the surrounding air. Sweating speeds up this heat transfer process. But if the air tempature and body temperature are both 37°C, this process slows down and we are venting less heat whilst constantly producing more hea... | [
"Because your lungs are quite moist, as you breathe the cold air in it works like wind-chill, rapidly cooling the surfaces inside your lungs (and your lungs have a LOT of surface area). Your lungs, like most of your body, have nerve endings which detect this and send a pain signal to your brain Remember that cold a... | eli5_question_answer | {
"query": "Represent the Reddit title:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
For many people, drinking water on an empty stomach (before breakfast, for example) causes temporary severe discomfort. Why does this happen, and why does it not happen after even a single bite of food? | [
"I've never heard of this, and when googling it one finds many articles saying what a good idea it is. Are you sure \"many people\" have this problem?"
] | [
"In short, yes drinking water dilutes stomach acid. However, the stomach is capable of detecting and correcting this change (as it tries to keep itself balanced at a certain pH). Even if you drink a liter of water directly before eating, the change in pH of your stomach acid will be correct quickly enough to make l... | eli5_question_answer | {
"query": "Represent the post about Health and Wellness:",
"pos": "Represent the document about Health and Wellness:",
"neg": "Represent the document:"
} |
why does Microsoft Word sometimes reformat half my document just because I hit enter or delete a space? | [
"The boring answer is that you've deleted a formatting character such as a section break, or you've caused an element in your document to get bumped to somewhere where it triggers a bunch of Word's other arrangement/formatting rules, potentially causing a cascade of fuckery. Some of the time it lets you do things t... | [
"The insert key is a toggle switch that changes the behaviour of typing at the cursor. If you type up a block of text and then decide to make changes to it, you click the cursor to the place you want to change and then type some more. By default the new words you type will be inserted in the middle of the old text.... | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
How do people "paralysed from the neck down" control their hearts? | [
"Each vertebrae in your spine [controls different things] (_URL_1_). People who are paralyzed from the neck down are paralysed because they damaged vertebrae the [C1–C7](_URL_2_) in their neck. However, it is the [thoracic vertebrae](_URL_0_) in the mid-back that controls the heart. & nbsp; As a side note, breath... | [
"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 about Medical Science:",
"pos": "Represent the comment about Medical Science:",
"neg": "Represent the comment about Medical Science:"
} |
Why is Africa so fucked up | [
"1. All of Africa isn't fucked up. It's a huge *continent* with over 50 countries. 2. The countries that *are* fucked up, are fucked up because its people were put in one spot together and then called a country, even though they are all from different tribes and speak different languages. 3. The perception of Afric... | [
"Are you saying we should be more racist towards cats?"
] | eli5_question_answer | {
"query": "Represent the Reddit question:",
"pos": "Represent the Reddit answer:",
"neg": "Represent the Reddit answer:"
} |
Do the speed settings on my blender really work? | [
"As a side note. If you are blending something thick like a smoothie, if you start blending at max, the blender will take a giant gulp of air, and hold that bubble under your smoothie making the blades almost useless. The proper technique with these types of liquids is to start slowly and allow the smoothie to esta... | [
"It's speed. Box fans are smaller so you want them to go faster. When I turn my ceiling fan on top speed, I hear it."
] | eli5_question_answer | {
"query": "Represent the Reddit post:",
"pos": "Represent the Reddit sentence:",
"neg": "Represent the Reddit sentence:"
} |
How is so much internet data sent through undersea cables simultaneously? | [
"Google's submarine cable can do 60Tbps, that's just one of those cables. As for whether the cables switch between jobs, no, they do simultaneous transfer, and then where they transfer it sorts it out, sends it someone, sorts it, and etc. until it reaches you."
] | [
"The increased cost reflects the cost of maintaining the cables and infrastructure needed to make those calls. Contrary to commonly head belief International calls use underwater fiber optic cables, not satellites. But even so the cost of laying and maintaining those fibers is very expensive, and that cost is passe... | eli5_question_answer | {
"query": "Represent the query about Technology:",
"pos": "Represent the post about Technology:",
"neg": "Represent the post about Telecommunications:"
} |
Why do scrambled eggs and fried eggs smell so different when they are cooking? | [
"My first thought is because of the maillard reaction. When you fry an egg you brown it, when scrambling you don't(typically)"
] | [
"Think about eggs like concrete. Eggs start out liquid, and then when you cook them they become solid. If you make bread without eggs, it crumbles really easy. Same with hamburgers. Often eggs are used to bind the stuff together so it doesn't fall apart while you're eating it."
] | eli5_question_answer | {
"query": "Represent the Reddit question:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
What is the mechanism in the human body that keeps one from urinating when they sneeze? | [
"You can sneeze and pee and have your eyes open all at the same time. And, in fact, it's quite common for older women to pee a little when they sneeze because they can't fully tighten their urethral muscles and sneezing causes contractions around their bladder, which can force a small amount of urine out. That bein... | [
"If we really do not sneeze while we are asleep, does that mean that there must be a conscious decision to initiate a sneeze?"
] | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the text:",
"neg": "Represent the text:"
} |
Why does the pdf format seem to be still the most common digital format for digital books? | [
"The most common? Amazon uses the MOBI format on its Kindles, so I think that would be more common. MOBI and EPUB (the main open source book format) are closer to a standard web page format, in that they don't dictate page size etc. The book can be read on all kinds of devices with little difficulty. PDF, on the o... | [
"It's cheap, easy, and the infrastructure is already there. This is especially for situations where you are dealing with a hard copy of something and someone else needs a hard copy."
] | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
What does the Super Bowl have to do with Sex Trafficking? | [
"This is one of those myths the media loves to perpetuate every year because they are lazy and it's an easy fluff story. Anther common one you will see year in and year out is about how dangerous Halloween candy is. Here are two articles about it. One is from snopes and the other is a rare salon article that actual... | [
"Question 1: Am I a celebrity? * Yes: Move onto question 2 * No: Who gives a shit about you? Question 2: Do I like to look terrific in photographs? * Yes: Move onto question 3 * No: Use your iPhone for nude selfies Question 3: Do I mind being raped? * Yes: Call Annie Leibovitz * No: Terry's your man!"
] | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the argument:",
"neg": "Represent the argument:"
} |
why are nocturnal insects attacted to light | [
"> why are nocturnal insects attacted to light They aren't. Artificial lights simply screw up their attempts to navigate by the moon. If you keep the moon at a constant angle as you travel, you'll move in a (pretty good approximation of a) straight line. This works because of the huge distance to the moon. But then... | [
"Without knowing the bugs it's hard to tell, some are attracted to heat, some to sweat, others sound, but if they are mostly around your head they might be attracted to your breath as we exhale we breath out carbon dioxide and some bugs use it to find food or navigate"
] | eli5_question_answer | {
"query": "Represent the title about Science:",
"pos": "Represent the text about Science:",
"neg": "Represent the text:"
} |
Why aren't hybrid/electric cars such as the prius shaped like sports cars? | [
"Because the aerodynamics of racing cars are not optimized for fuel economy, but downforce to increase traction under cornering. This actually increases drag and hurts fuel economy."
] | [
"The Tesla has an enormous battery and was designed to be electric from the beginning. Something like an electric Golf can't have a battery that big and still be a Golf. The best VW could do would be make something that looks like a Golf from the outside...thus spending billions to cannibalize their own product. T... | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit passage:",
"neg": "Represent the Reddit passage:"
} |
Why are gas prices [almost] identical at gas stations? Are the prices fixed? Lots of companies but almost no competitive prices. | [
"There is competition, but the margin is very small. You're making a few cents on the gallon, if that. A gas stations main profit does not come from gas, it comes from items sold in the store. The US has a tiered system, and when you go to a BP station, you probably aren't buying directly from BP. That gas may hav... | [
"Different locations have different costs that a gas station must cover. These can include local property taxes, costs of trucking the gas from the refinery (farther from the refinery = more expensive), different competition (if you are the only station for 5 miles you can charge more than if you have 3 other stati... | eli5_question_answer | {
"query": "Represent the title about Economics:",
"pos": "Represent the document about Economics:",
"neg": "Represent the document:"
} |
Why is the natural instinct when feeling extreme emotion (e.g. fear, sadness, joy) to cry? | [
"I just want to point out that this is **not** what instinct means."
] | [
"The pain of cutting can be a form of control over emotions that are otherwise out of control. Angry? Sad? Depressed? Cutting can almost be a drug, making you feel things other than the anger or depression."
] | eli5_question_answer | {
"query": "Represent the post:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
Why is √4 = -2 false? | [
"It’s really just convention that sqrt(x) only means the positive square root. You’re right that 4 has a positive and negative square root, but we write +-sqrt(4) to mean 2 and -2, whereas sqrt(4) just means 2. However, when solving the equation x^2 =4, we include both solutions 2 and -2 unless there’s some other i... | [
"The square root of 9 is ±3. The principal square root of 9 is 3. Usually you use the things that make sense. I don't understand your problem, but usually when solving problems like x^2 = 9 you write that |x| = 3 x = -3,3. This problem has 2 roots. Both of them satisfy the equation x^2 = 9."
] | eli5_question_answer | {
"query": "Represent the Reddit post:",
"pos": "Represent the Reddit answer:",
"neg": "Represent the Reddit answer:"
} |
how did the Democratic Party transition from a party that was against to civil rights movements to what it is today? | [
"Some democrats were against civil rights. LBJ signed the civil rights act. Truman desegregated the military. Its more like the republicans saw their chance to get the segrgationist southern democrats to vote republican for nixon, so they appealed to them"
] | [
"The political party he belonged to was called Republican. This political party has very little to do with the party we call Republican today. I think, technically, it's still the same party, but the fundamental principles have changed greatly. If Lincoln were alive today, it is doubtful he would be a republican.... | eli5_question_answer | {
"query": "Represent the Reddit title:",
"pos": "Represent the Reddit text:",
"neg": "Represent the Reddit text:"
} |
Why do Flies constantly bug people when we have nothing to offer them and more often than not kill them? | [
"You do have something to offer... Moisture and salt and sustenance. We don't care if you kill us. We have reinforcements coming. Oh yes."
] | [
"Some of them fly in from somewhere else but the real answer for most of them is a terrible truth most people want to not think about: There is maggots in the fruit you do eat."
] | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
Why are there ads on Hulu? | [
"Getting episodes not long after they air is more expensive to license than shows that were cancelled a decade ago."
] | [
"Follow-up question: does it have something to do with revenue? Are there more ads on the horrible apps? Good question, OP!"
] | eli5_question_answer | {
"query": "Represent the Reddit title:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
Why do courtrooms still use stenographers over more advanced recording equipment? | [
"Part of the stenographers job is to read back portions of the transcript immediately upon request. If you just recorded audio you would at the very least need a guy sitting there in charge of the audio with the ability to quickly jump back and replay specific sections. Youd still have a person sitting in court wor... | [
"For most live TV, someone is physically there typing it out, they work in a very similar manner as a court stenographer, using specialized typing equipment. People are human can make mistakes."
] | eli5_question_answer | {
"query": "Represent the post:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
How much influence does the president have over the FBI? | [
"To some degree, the FBI is independent of the Office, the director of the FBI is appointed to a 10 year term, to reduce the power the president has over the FBI. Long term appointments like given to Hoover will never happen again. Then there's the reality that the FBI still needs the president and congress's suppo... | [
"He does several things. A - He is the executive branch of the government. When Congress passes a bill, it ends up on his desk. His job is to consult his cabinet and then say yes or no to the bill and either veto it or sign it into law. B - He is the Commander in Chief of the US Military. Aside from a few checks an... | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the answer:",
"neg": "Represent the answer:"
} |
Why is childbirth painful? Shouldn't it be orgasmic to encourage reproduction? | [
"This is known as the [Obstetrical dilemma.](_URL_0_) Other primates give birth relatively easy compared to humans. Humans have issues because, once they decided to walk upright, the pelvis had to adapt to this upright orientation, decreasing the space of the birth canal. Meanwhile, brains, and therefore skulls, be... | [
"Because humans have gigantic brains. They basically have to be born 3 months premature, just so their huge heads don't kill the mothers during birth. Birthing that head is a bit trickier than birthing a calf is for a cow. Also, humans don't have to worry about predators finding their babies and eating them, so it'... | eli5_question_answer | {
"query": "Represent the query:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
Why are most car models (models as in girls) Asian? | [
"I googled \"car models\" the ones with the Asian girls are at car shows in Asia,so mystery solved, probably a bit of confirmation bias as well."
] | [
"it is the other way around, there are standardized universal symbols/icons for stuff in a car used by car manufacturers in almost all their cars. but America require them to be written in English, i think top gear made fun of that once."
] | eli5_question_answer | {
"query": "Represent the title:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
How do DJ's always find the right part of the song to start playing at? | [
"DJs cue up the right moment in the song as the previous song is playing. This is why they wear headphones, so they can hear where they are in the next song before they start playing it through the speakers. A simple DJ setup is simply two media players. They cue up song after song and then fade between them so the... | [
"When DJ's go back to back they are taking turns playing songs. So they have a giant library of songs saved on their computer or on their CDJs. DJ 1 picks the first song, DJ 2 then has to figure out what song they want to play next and they handle the transition and mixing. Then DJ 1 comes up again and picks the tu... | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the argument:",
"neg": "Represent the argument:"
} |
How does a game on PC get poorly optimized? | [
"Yes, either game code being more complicated than it needs to be, wasting clock cycles and RAM. Or, on the driver side of things, which someone more knowledgeable can explain"
] | [
"Hardware wise, it can. The game needs to be rewritten so that legacy codes can be read by the newer console. This involves work for maybe some people playing, compared to a new game that is guaranteed to make a profit."
] | eli5_question_answer | {
"query": "Represent the Reddit post:",
"pos": "Represent the Reddit text:",
"neg": "Represent the Reddit text:"
} |
British TV license and the laws surrounding them. | [
"To help pay for public broadcasting (the BBC) if you want to access television in the UK you need a licence (a licence applies to a whole household of people), this applies to all forms of TV, including \"free-to-air\". The license is also required if you watch TV on cable/satellite or over the Internet if it is l... | [
"If we stop paying the fee, the terrorists win."
] | eli5_question_answer | {
"query": "Represent the Reddit post:",
"pos": "Represent the Reddit comment:",
"neg": "Represent the Reddit comment:"
} |
What's holding the USA back from a fair universal voting system? | [
"> Assuming the goal that we want every eligible voter in the US to vote As a rule, politicians don't. They want every single eligible voter *who will vote for them* to vote."
] | [
"How would you define \"winning\" a presidential debate?"
] | eli5_question_answer | {
"query": "Represent the Reddit title:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
Why do we cover our mouths when we're shocked? | [
"So our souls don't fly out of our mouths from fright."
] | [
"You turn your head so you don't cough on your doctor."
] | eli5_question_answer | {
"query": "Represent the question about Biology:",
"pos": "Represent the answer about Biology:",
"neg": "Represent the answer:"
} |
Is it legal for an ordinary citizen to kill ISIS militants? | [
"Are you asking if you go to Iraq or Syria and shoot one? Or are you asking if you know this guy is an ISIS member in your own country?"
] | [
"The US army is at war with the Talibans and the ISIS. So they send troops there to help fight these terrorist groups off"
] | eli5_question_answer | {
"query": "Represent the Reddit post:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
How does the body neutralize the spicy flavor of foods in your mouth? | [
"By rinsing away the capsaicin using saliva. When the capsaicin no longer is present, it no longer stimulates the heat receptors, so the spiciness no longer persists."
] | [
"Hot peppers and cold mints are special examples. Chemicals in both fool our bodies' temperature sensors without actually changing the temperature at all."
] | eli5_question_answer | {
"query": "Represent the query:",
"pos": "Represent the sentence:",
"neg": "Represent the sentence:"
} |
Why do the frets on a guitar get closer the further you go down the fretboard? | [
"By pressing down on a string in a particular place you're making the string shorter, this makes it vibrate faster producing a slightly higher pitched note. As the string gets shorter it takes a smaller distance to change the pitch by the same amount, so while each fret changes the note by one semitone they have to... | [
"After sleep, your vocal chords are relaxed. This makes your voice deeper. Think of a guitar, if you loosen the strings the pitch becomes lower. It's kind of the same thing with your vocal chords."
] | eli5_question_answer | {
"query": "Represent the title:",
"pos": "Represent the text:",
"neg": "Represent the text about Health and Wellness:"
} |
NYPD action against Occupy Wall Street protesters... did they do something? Or are the city just tired of the protesters? | [
"Well, no more than normal. * although the constitution mentions free speech, setting up camp isn't the same * There have been a number of issues, mainly to do with homeless people/people will mental issues/anarchists causing disturbances on the camp site. * The park apparently is private property, or contracted to... | [
"* Because he told the truth about how, like so many families of color, he and his wife had to advise their son (who's half black) to be extra careful in any police interactions. * Because when mentioning protesters who were arrested and charged with assaulting police, he attempted the utmost accuracy by used the w... | eli5_question_answer | {
"query": "Represent the Reddit post:",
"pos": "Represent the Reddit post:",
"neg": "Represent the Reddit post:"
} |
How did Switzerland amass so much wealth? | [
"Switzerland remained neutral for some times in the ongoing and never-ending wars between Germany and France, and between Italian states. This made it a very safe place to store money, making it the hub of the banking industry for a long time."
] | [
"The United States are *not* the wealthiest or most advanced country on the planet. And what exactly do you mean by anxiety?"
] | eli5_question_answer | {
"query": "Represent the Reddit title:",
"pos": "Represent the Reddit argument:",
"neg": "Represent the Reddit argument:"
} |
What modern methods replaces the royal food taster role in rich households today? | [
"Tasters were pointless anyway even in the old days because poisons can take hours or days to show their effects."
] | [
"What period and country are you asking about? There’s no context in your question."
] | eli5_question_answer | {
"query": "Represent the Reddit title:",
"pos": "Represent the Reddit comment:",
"neg": "Represent the Reddit comment:"
} |
if a colorblind person is colorblind from birth, how does it handicap them at all? | [
"They are handicapped by lacking the ability to distinguish different colors. Red looks like they know red to be, but it might also look like green."
] | [
"> what if I am seeing the \"true\" world. There's no such thing. Colors are a completely subjective way of interpreting light information that only exist in our minds. The thing is, though, if you're colorblind, it just means you're getting less information from the world visually than the non-colorblind, so if yo... | eli5_question_answer | {
"query": "Represent the post:",
"pos": "Represent the document:",
"neg": "Represent the document about Science:"
} |
Chernobyl "hotspots." Why does a radioactive hotspot not continue to spread around an entire area? | [
"Radioactivity isn't like a field that permeates an area; it's more like light (indeed, many types of radiation ARE light). A radioactive particle is something that emits light and other particles that are damaging to the complex chemistry that makes up life. When Reactor #4 at Chernobyl exploded, it didn't make t... | [
"The bombs used in Hiroshima and Nagasaki exploded in the air, so **ALOT** less radiation seeped into the environment. In Chernobyl, the worker city outside Pripyat, the disaster was a leak, followed by an explosion. This put lots of radiation into the surrounding environment. edit: Also the International Atomic E... | eli5_question_answer | {
"query": "Represent the Reddit title:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
How did people deal with painful teeth issues like Wisdom teeth before modern dentistry? | [
"Well before modern dentistry people generally had room in their mouths in the form of missing teeth. Aside from that, they either got you drunk and took them out or, more likely, left them in and you died of infection."
] | [
"Because their teeth can still rot before they fall out, which can still be painful, and getting fillings as a child sucks. EDIT: Also consider the associated plaque, bone loss, and risk of infection associated with poor dental hygiene."
] | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
If tomatoes are a product of the new world, what did Italians eat before tomatoes were brought back from the Americas? | [
"Not pizza and marinara (it must have been a very sad place). [Here](_URL_0_) is a random thing I found about the history of Italian cuisine."
] | [
"In a word, Marketing: Because when the original sailors took trips west from Europe to find India they promised to bring back black pepper. Which at the time was worth more than it's weight in gold. Having arrived in the Caribbean and not India however, they grabbed local plants that were spicy and brought it back... | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
Why is it that we are told to unplug modem/router for 30 seconds when we are having issues with our internet? Why is 30 better than 1 second? | [
"A lot of modern technology contains capacitors! These are like energy buckets, little batteries that fill up when you put a current through them, and discharge otherwise. 10 seconds is the time it takes most capacitors to discharge enough for the electronics they’re powering to stop working. That’s why when you tu... | [
"From my personal experience as an internet tech support rep, there are several things that could go wrong. It could be a hardware issue at the central office, or hardware issue in one of the internet boxes for your neighbourhood (DSLAM), it could be the wiring running to your house, copper or fiber, being broken o... | eli5_question_answer | {
"query": "Represent the Reddit title about Technology:",
"pos": "Represent the Reddit text about Technology:",
"neg": "Represent the Reddit text:"
} |
Paris scam I don't understand | [
"What you're discussing is a variation of a grift called a [pigeon drop](_URL_0_). I have an item I have convinced you is worth more than what I am asking for it, so you pay me. In this case it relies on the mark's (you) dishonesty that this is your ring, you'll try to find whose ring it is, or that you're willing ... | [
"They know its you. They just don't care"
] | eli5_question_answer | {
"query": "Represent the title:",
"pos": "Represent the sentence:",
"neg": "Represent the sentence:"
} |
Why do I see red and blue dots and lines instead of darness. | [
"I believe you're seeing the after effect of what you were looking at after saturating the cones in your eye."
] | [
"I want to know that too. Maybe i can add a question to that ELI5 topic: Why do i see lightning like things when closing my eyes and pushing/rolling them with my finger?"
] | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the post:",
"neg": "Represent the post:"
} |
How can a breathalyzer detect the amount of alcohol in your blood? | [
"When you breathe, all that air fills your lungs and touches your blood. The oxygen goes from the air into your blood and the carbon dioxide goes from your blood into your lungs. When you drink alcohol, some of that alcohol in your blood also goes into your lungs, just like the carbon dioxide. That's what the breat... | [
"I really doubt this is safe in any way, but a person who has had this done would still be able to be detected through a breathalyzer for the same reasons that eating a bunch of mints or scrubbing your mouth clean doesn't get you out of a breathalyzer test. The reason people get caught is because they think the alc... | eli5_question_answer | {
"query": "Represent the query:",
"pos": "Represent the paragraph:",
"neg": "Represent the paragraph:"
} |
Where does excess power generated by solar panels go? | [
"I work in a building which is completely off the grid and is not connected to mains electricity lines. We have a row of twelve solar panels on the side of the building which generate electricity by absorbing the Sun's rays. The building's electrical appliances and lights don't use much electricity, so the panels c... | [
"I am not against solar power, but there are lots of reasons people don't use it: * It's expensive. It would take the average homeowner years or decades to save enough money from solar to make back the money they paid to install it. Buying power from the power company is relatively cheap. In some places you'll have... | eli5_question_answer | {
"query": "Represent the Reddit question:",
"pos": "Represent the Reddit sentence:",
"neg": "Represent the Reddit sentence:"
} |
if i am not supposed to peel off a scab how come all my instincts are telling me to do it | [
"Because your scab has healed at the edges, meaning your body, right at those points, is going \"Hey there's some junk on this healthy skin, get it off!\" so you have the instinct to rip at it (or scratch at it). The problem is, it's *only* healed at the edges, and the scab is a big whole thing that's attached, so ... | [
"I can't tell you why it feels awesome, but i can tell you that it hurts like hell because you are getting close to or touching your ear drum which is very sensitive. It is very sensitive because it has to be able to notice the differences of different sounds. So think how a actual solid object feels to it. And my ... | eli5_question_answer | {
"query": "Represent the Reddit title:",
"pos": "Represent the Reddit post:",
"neg": "Represent the Reddit post about Health and wellness:"
} |
Why everybody is obsessed with freeing North Korea? even if their liberation might turn to chaos like the Arab spring, and spread the chaos to the south? | [
"North Korea is perhaps the most brutal, repressive regime in the world in terms of how it controls its population, acts irrationally, etc. which is why there are many who would like to see its government replaced with something less repressive. The conflicts that arose in the Middle East as part of the Arab Spring... | [
"North Korea has a long lasting relationship with China. Although China have been more critical of North Korea recently, they wouldn't abide a US invasion. Not just because they value North Korea's friendship but more because if South Korea took control of North Korea, the US would have a strong military presence r... | eli5_question_answer | {
"query": "Represent the Reddit post:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
After reading that HBO just hired over 100 lawyers. Do more lawyers give you more power in court? | [
"More eyes for reading and sifting through laws and documents."
] | [
"Because their lawyers are able to pull more strings than ours."
] | eli5_question_answer | {
"query": "Represent the title:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
Alternative to raising minimum wage | [
"People who are against the minimum wage aren't trying to answer the question of how do poor people pay their expenses. That's simply not the problem they're trying to solve. They are simply making the argument that if you raise the minimum wage that there are some people who won't get hired. It's not hard to think... | [
"Reduction in minimum wage, cuts in pensions, cuts in civil service jobs, reduction of bonuses, increase in taxes"
] | eli5_question_answer | {
"query": "Represent the Reddit question:",
"pos": "Represent the Reddit answer:",
"neg": "Represent the Reddit answer:"
} |
Why do parents of adult children get to file wrongful death lawsuits and get awarded money? | [
"Are you single? If so, your parents would be next of kin, and vice versa. You are getting payment for emotional damages given by a faulty design. For example, my grandfather was exposed to asbestos. He has been in a class action lawsuit that was recently awarded money. He has been dead for many years, so the mone... | [
"If they're suing a big company, the company writes a check or sets up a annuity which pays the person a portion of the money every month for several years. If they're suing a regular person, they can garnish certain assets like homes, cars, or bank accounts. They can also garnish wages. Most of the time, though, i... | eli5_question_answer | {
"query": "Represent the post:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
What is the difference between a federal government and a unitary government? Are there any alternatives to these? | [
"So a unitary government is a government system where there is one central government with all residual power. There may be state/municipal governments, but in a unilateral state these have no constitutionally protected rights or powers. An example would be the former Soviet Union, don't be confused though, this sy... | [
"It means a political group formed for the common people, public well-being. In practical terms, it is no different than a state, it just uses a different word on its stationary."
] | eli5_question_answer | {
"query": "Represent the query:",
"pos": "Represent the text:",
"neg": "Represent the text:"
} |
How do pain killers work? | [
"The ingredient(s) block the chemical signal in your brain that sends the feeling of \"pain\". It basically acts as an neutralizer."
] | [
"You can't cure the sickness, but you can treat the symptoms. That's all these medicines are doing. It provides some relief."
] | eli5_question_answer | {
"query": "Represent the Reddit title:",
"pos": "Represent the Reddit argument:",
"neg": "Represent the Reddit argument:"
} |
How are people who used to be in shape able to seemingly stay in shape even after they stop working out? | [
"It seems likely they simply move just enough to retain most of their muscle mass. Muscles can atrophy very quickly if not used, but it doesn't take very much to activate them enough to prevent it. The people you speak of probably use their pecs, delts, etc. In daily life just enough that their muscles don't atroph... | [
"Because fat people are fat for a reason. They don't tend to walk around or do a lot of physical activity. That's why they gain weight."
] | eli5_question_answer | {
"query": "Represent the post:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
Why it seems to be the norm to make fun of neckbeards? | [
"Well, straight white males area already the last group that it's entirely socially acceptable to denigrate. Add in the perceived anti-social behavior, fringe hobbies and interests, and possible lack of hygiene and good old human nature that hates everything it deems different, weak, or unattractive takes over."
] | [
"It's not illegal to make fun of someone."
] | eli5_question_answer | {
"query": "Represent the title:",
"pos": "Represent the argument:",
"neg": "Represent the argument:"
} |
What's that rumbling noise you hear when you block your ears with your fingers?. | [
"Everybody who reads this will be blocking their ears right now. Just thought I'd let you know a useless fact."
] | [
"And while we're answering this mystery, why does it feel like a miniature orgasm when I clean my ears in just the right spot?"
] | eli5_question_answer | {
"query": "Represent the question about Health and Physiology:",
"pos": "Represent the paragraph about Health and Physiology:",
"neg": "Represent the paragraph:"
} |
- Debt consolidation, how does it work? | [
"Let's say you have a $3000 balance on credit card A with an 18% interest rate, $1500 on credit card B with a 24% interest rate, $1000 on credit card C with a 24% interest rate, a medical debt of $4500 from a surgery you needed when you weren't insured. a debt consolidator would cut checks for these four debts and ... | [
"The bank sends you money every month, depending on the terms you work out and based on what your house is worth. Then, the bank owns the house when the last person on the contract moves out or dies. Then they can sell it and get their money back. Hope that helps. And this isn't universal, but it's my general under... | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
Why is it easy to balance on a bike with forward momentum, but incredibly difficult when it is standing still? | [
"This is actually a fairly complex topic, and the stabilty of a bike while in motion is a combination of factors, including gyroscopic stability (the wheels act like a gyroscope), but there are many other factors. This wikipedia page should get you started: _URL_0_"
] | [
"The pumping motion counterbalances the swinging of our legs, making it far easier to keep our balance. Try running with your arms flat at your side sometime and you will find it is really hard to do without falling over."
] | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit paragraph:",
"neg": "Represent the Reddit paragraph:"
} |
The difference between a "font" and a "typeface" | [
"Typeface is what most people mean when they say font. A font is a typeface at a certain size. So Times New Roman is a typeface, Times New Roman 10pt is a font."
] | [
"For the same reason that the letter 'A' in one font may look different from the letter 'A' in another font. Different implementations essentially use different \"fonts\" for their emoji."
] | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the sentence:",
"neg": "Represent the sentence:"
} |
why does space-x want to land on a barge, why not just parachute into the water like the solid rocket boosters from the shuttle? | [
"The whole idea is to make space flight easier and cheaper. Having to fish a multi-ton machine out of the ocean, deal with corrosion from saltwater, etc. are all expenses that can be negated by simply landing in the same position you launch from."
] | [
"There are no shuttles any more, so I assume you are going to talk about the upcoming russian soyuz launch to the ISS They sit there for three hours because thats how long it takes to fuel the rocket. Once has started fueling you want the astronauts strapped in and everyone else several miles away, in case the rock... | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit comment:",
"neg": "Represent the Reddit comment:"
} |
Does the case of Warren Vs D.C. boil down to the police not having a duty to protect us? | [
"They don't have a duty to provide services to individuals. So if the police fail to respond to your call, or don't prioritize properly...there's nothing you can sue for. Their duty is to the public at large, and there's no duty to respond to you specifically. In practice that means if you call multiple times becau... | [
"Police are not under the jurisdiction of the federal government so virtually any law made would be unconstitutional. He could require all federal officers to wear them, but that would have little benefit."
] | eli5_question_answer | {
"query": "Represent the Reddit post:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
If the best picture of Pluto was a blurry mess prior to New Horizons, how do we know so much about planets light years away? (Such as their atmospheric makeup, etc.) | [
"Ah, the first one not being \"how can we make galaxy photos\" ;) We can find out a whole lot about them by observing how they interact with their star (eg. their mass), or by their brightness we can estimate their size. For the composition we look at the absorption lines we can observe: at certain wavelengths atom... | [
"NASA announced today the discovery of a small star system with \"Goldilocks zone\" planets orbiting the star. By this, I mean that all 7 planets are approximately the right distance away from the star to have liquid water or water ice and habitable temperatures on the surface. Additionally, the small size of the s... | eli5_question_answer | {
"query": "Represent the Reddit post about astronomy:",
"pos": "Represent the Reddit document about astronomy:",
"neg": "Represent the Reddit document:"
} |
Why is Marijuana a schedule 1 substance & what will it take to change this? | [
"Because lots of groups lobby to keep it that way. It would take a group of people to contribute more money than tobacco, alcohol, paper, pharmacy, and other industries are contributing to politicians."
] | [
"the reason is because of how the Federal Government categorizes drugs into [schedules](_URL_0_). Under Federal law, Marijuana is considered a schedule I controlled substance, which means there is \"no current accepted medical use in the United States.\" Morphine is a schedule II controlled substance. Therefore, un... | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the paragraph:",
"neg": "Represent the paragraph:"
} |
Why is it important to save water? | [
"The problem comes when the water usage exceeds collected rainfall in a given area, thus the amount of fresh, drinkable water for that area decreases faster than it is replenished. This is basically what happens in a drought. If you're in an area that receives a lot of rain, it's unlikely to matter as much. But liv... | [
"Because it is worth a lot of money to the government!"
] | eli5_question_answer | {
"query": "Represent the Reddit question:",
"pos": "Represent the Reddit argument:",
"neg": "Represent the Reddit argument:"
} |
Why do people who suffer from Tourrettes use curse words for their "tic" more than normal words? | [
"From what I understand, it's only a certain type or subset of Tourrette's known as coprolalia."
] | [
"I'm pretty sure that's just a Hollywood thing. I had a friend who has Tourettes and his only indication was a one-sided shoulder shrug; he didn't verbalize with his variation. I also have a co-worker who seems to have it; she has the shoulder-shrug that I've come to recognize and, if she verbalizes because of it, ... | eli5_question_answer | {
"query": "Represent the Reddit post:",
"pos": "Represent the Reddit sentence:",
"neg": "Represent the Reddit sentence:"
} |
What does "there is a 30% chance of rain" really mean? | [
"Given 100 days with similar conditions, 30 of them will experience rain."
] | [
"Yes, there is: somewhere between 1s and 9.50s, but we don't know exactly where it is, because of the Sorites paradox."
] | eli5_question_answer | {
"query": "Represent the Reddit title about weather:",
"pos": "Represent the Reddit document about weather:",
"neg": "Represent the Reddit document:"
} |
the whole "you can get paracetamol for 25p in the shops but the NHS has to spend £10" thing? | [
"For any other Americans who are confused, paracetamol is the British term for acetaminophen, aka Tylenol."
] | [
"It isn't. Here in the UK I can buy a month's supply of once a day antihistamines (loratidine or cetirizine) for less than £2 (less than $3.34USD) and a generic equivalent of \"Afrin\" (oxymetolozine) for £1. Basically I can buy antihistamine tablets + sodium cromoglycate eye drops + a nasal spray (either beclometa... | eli5_question_answer | {
"query": "Represent the post:",
"pos": "Represent the sentence:",
"neg": "Represent the sentence:"
} |
Why is editing software so expensive? | [
"Supply and demand. There is a high demand for professional level software and not a lot of options. And if you look at almost any profession, the tools of the trade are often expensive but people pay the price because that is what they need to make money. Also note that many software packages have a student versi... | [
"What's so bad about having something made in Israel?"
] | eli5_question_answer | {
"query": "Represent the Reddit title:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
why do fireflies glow and only glow for a few seconds. | [
"Fire flys only glow for brief moments when they feel happy. They can only use it for a few seconds before they're depleted. Just like if you started jogging and got tired and walked for a portion. The fire flys live life each and erry day glowing for happiness and it's they're only true cause."
] | [
"Here are a few ways to tell the two apart: 1. When butterflies land on something, their wings will be up vertically; moth wings will be flat horizontally 2. Butterflies are usually active during the day, while moths are more active at night There are some exceptions to this rule, but for the most part it works"
] | eli5_question_answer | {
"query": "Represent the Reddit query about Electrical engineering:",
"pos": "Represent the Reddit answer about Electrical engineering:",
"neg": "Represent the Reddit answer:"
} |
What happens when no one buys government bonds? | [
"The offered interest rate increases or the sell price decreases, both of these increase the yield. The yield keeps going up until the country can sell the necessary quantity of bonds, someone will eventually buy the bonds."
] | [
"Raising the price so high that nobody wants to buy your product."
] | eli5_question_answer | {
"query": "Represent the query:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
How come cats can face off with animals way bigger and deadlier than them (like bears or crocodiles) and still manage to scare them off and assert dominance? | [
"In ecology there is a concept that animals balance trade offs when foraging. For example, for a bear is risking getting his eyes gouged out by the cat worth killing the cat or take the cat's food? Most likely not."
] | [
"I don't remember where I read this, but it gave this description of dealing with bears. Black bears: (as many in this thread have said) Be loud and agressive. They can usually be scared off. Grizzlies: Play dead. You may get mauled a bit and scratched by claws, but hopefully still alive. The grizzlie mostly wants ... | eli5_question_answer | {
"query": "Represent the Reddit title:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
Why does Victoria's Secret have soft-core porn commercials that seemed geared towards men when their main clientele is women? | [
"They are selling the idea of what men find attractive in women. Women want to be attractive to men, therefore the product sells itself. Its really quite simple."
] | [
"Many people are concerned that women are objectified and treated as sex objects in the media. Many people also think it's unfair that women aren't taken seriously as professional athletes. With that in mind, when was the last time you saw an ad focusing mostly on a male athlete's ass?"
] | eli5_question_answer | {
"query": "Represent the title:",
"pos": "Represent the paragraph:",
"neg": "Represent the paragraph:"
} |
I often hear that the US has the highest corporate tax rate in the world. I also often hear that many large companies like ExxonMobil pay no taxes at all. Is either true? | [
"Both are (kind of) true. The US has the highest statutory tax rate of OECD countries - 39.1%. But with the large numbers of deductions and work arounds available the effective rate (the amount companies actually pay) is closer to 25% **on profits** What companies like Exxon do is cleverly shift their money around ... | [
"Taxes. Apple makes a lot of money abroad, and through shifty tax minimization (mainly in Ireland, but a little bit in the Netherlands too) pay almost no tax on those earnings. If they wanted to repatriate that money to the US to put it to work they'd have to pay taxes on it. They don't want to pay those taxes, so ... | eli5_question_answer | {
"query": "Represent the Reddit post:",
"pos": "Represent the Reddit comment:",
"neg": "Represent the Reddit comment:"
} |
If Japanese is read right-to-left, why is Mario played left-to-right? | [
"Japanese itself isn't necessarily read from right to left. Actual sentences (in the yokogaki system, a more modern writing system) are read left to right, top to bottom. The only time it's read right to left is when the text is using the traditional tategaki system (where the text is actually read top to bottom fi... | [
"A mirror reflects front-to-back - not left-to-right or top-to-bottom. Does that make sense?"
] | eli5_question_answer | {
"query": "Represent the Reddit title:",
"pos": "Represent the Reddit post:",
"neg": "Represent the Reddit post:"
} |
Why are Graham Crackers or Tim Tams or Perky Nanas geo-restricted? Why are popular snackfoods not just sold everywhere? | [
"Some of the geo-restrictions are legal ones (such as Hersey distributing Cadbury products in the US and Cadbury not being allowed to distribute directly) and some are simply the local tastes not matching up. Different cultures like different things."
] | [
"For the same reason as if you went to a Mexican restaurant, you'd find far better variety of Mexican foods than if you went to a diner that happened to serve tacos - It's a specialized endeavor, bringing people in with only one thing in mind - Ice cream and related frozen treats. It's not feasible for a grocery st... | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit passage:",
"neg": "Represent the Reddit passage:"
} |
Why do our ears pick up noise in complete silence? | [
"here's a room that's absolutely silent. people can't stand to be in it for more than 45minutes. _URL_0_"
] | [
"Because they are talking loudly/shouting directly into your ear, which would hurt your ears even if there was no music."
] | eli5_question_answer | {
"query": "Represent the Reddit question:",
"pos": "Represent the Reddit argument:",
"neg": "Represent the Reddit argument:"
} |
why can I (19) drink like a sailor and feel fine the next day but my step-father (~40) will have a hangover, and sometimes feel exhausted for a couple of days after? | [
"Okay, I'm an older guy. Older than your step-father. This your future my friend... getting older truly sucks. You can't read shit without reading glasses anymore. Your muscle mass disappears even though you try to keep it You get sore from doing regular stuff like raking leaves. Not to be rude, but the answer here... | [
"Am i the only one who looses their appetite after drinking ? I tend to not even want food until like 3 pm the next day"
] | eli5_question_answer | {
"query": "Represent the Reddit question about Science:",
"pos": "Represent the Reddit answer about Science:",
"neg": "Represent the Reddit answer:"
} |
This is kinda a fucked up question, but why was there no blood in the video of the shooting? | [
"- 1: Poor camera quality. - 2: Gun shots will be obscured by clothes and it will take time for blood to _seep_ through. - 3: People don't gush blood in squirts when hit by a bullet unless you hit a major external artery."
] | [
"If you mean the police showing up, it's the same police who showed up at the corpse of a man one of the main characters killed. If you're talking about the organ music in place of the end credits, no idea."
] | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
Why is mental health, dental, and vision care not lumped in with general medical care? | [
"This gets misunderstood all the time. This is the real answer. Health insurance is really two products packaged together. The first is a prepaid product where your premium is allocated to \"normal\" preventive and predictable care. These costs can be pretty easily modeled to a cost per participant. In some places... | [
"Tradition. Dental and vision insurance is a relatively new thing (last 50 years) compared to regular medical insurance. Your parents probably paid for these services entirely out of pocket for most of their lives."
] | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
When to use heat vs cold on an injury? | [
"It's a matter of increasing or decreasing blood flow: if you have a bruise, you want to reduce the blood flow, if you have some kind of stretch pain, heat might move more blood to the affected area"
] | [
"Luke warm or cool water is better. If you cool the surface too quickly it will be more painful in the long run. Topical gel is also a good solution."
] | eli5_question_answer | {
"query": "Represent the question:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
If the UK economy is improving, why propose raising interest rates? | [
"When an economy is going full blast there are many opportunities for investment. There are more possibilities than there is money available. Money is rationed by charging interest for its use. If a project has good prospects for a good return then it will be worthwhile investing the money and paying a higher inter... | [
"If you're on the minimum wage, you can actually lose hours or even your job. The cost of labour increases when the wage goes up, reducing profit. The business can react by either increasing prices or reducing costs. They might be able to live with one increase without adjusting too much, but what about another in ... | eli5_question_answer | {
"query": "Represent the Reddit title:",
"pos": "Represent the Reddit passage:",
"neg": "Represent the Reddit passage:"
} |
How do 28, 000 FPS cameras work? | [
"They take 28,000 pictures per second. 28,000 fps pictures don't magnify, the lens does that. If you have a good enough lens you can get very detailed images of things that are very far away or very small. When you take a video at 28,000 images per second, this allows you to play back those 28,000 images per second... | [
"The computer needs to do all the calculations and manipulate an image pixel by pixel. Now it's got to do it 10,000's of times to 100,000's."
] | eli5_question_answer | {
"query": "Represent the post:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
Why are airport fire trucks so different from "regular" fire trucks? | [
"Also must think of what air plains are made of magnesium alloys and many other things that plain water wont put out. Most trucks at airport use chemical foam"
] | [
"They are the only vehicles allowed to have those colors. It prevents confusion between emergency vehicles (Red/Blue) and non emergency vehicles (usually yellow or white)."
] | eli5_question_answer | {
"query": "Represent the title:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
Music preference. Why do we prefer certain sounds over others and how do they get that way? | [
"Yes. Someone please explain why I actually enjoy Ke$ha despite every instinct telling me not to."
] | [
"Dogs can certainly hear music, and dogs have been demonstrated to recognize songs. For example, you could easily train your dog to respond to a specific song with food reinforcement. So...yes, they perceive it, remember it and recognize it. Do they have the same sort of emotional, social and cultural associations ... | eli5_question_answer | {
"query": "Represent the post about Science:",
"pos": "Represent the argument about Science:",
"neg": "Represent the argument:"
} |
what would happen if there only existed one currency in the world. | [
"It most likely will never happen. Look to the Euro-zone to see what happens on a smaller scale. By having the Euro, individual countries lose control of their money. Spain can't print Euros because everyone else will get angry at them. Countries that are run poorly (such as Greece) drag down the countries that do ... | [
"more like ELI5 why is there so much tension between ethnic groups all over the world"
] | eli5_question_answer | {
"query": "Represent the title:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
Fed interest rates. Why the interest rates are more wacked then ever. | [
"Banks are expected to pay back their loans roughly 100% of the time. In the unlikely event that a bank declares bankruptcy, it is likely that the government will step in and provide assistance. Individuals can miss payments, make late payments, renegotiate terms, leave the country, die, or declare bankruptcy. So... | [
"why are their tax rates so much higher?"
] | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit argument:",
"neg": "Represent the Reddit argument about Education:"
} |
What is a cookie (internet, not delicious food item)? | [
"It's a small piece of data that a website sends you and you store on your computer. Generally used to track something from the server about you. Good examples of this might be authentication cookies. The server sends you some information that proves to the server that you're logged in and what account you're logge... | [
"Coffee cake? Apple strudel is kinda like pie... Danishes are another sweet pastry. Muffins are pretty much cake without icing. . . There are loads of sweets that are considered socially acceptable to eat for breakfast even though they have little nutritional value other than providing you calories."
] | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit paragraph:",
"neg": "Represent the Reddit paragraph:"
} |
Why does residual coffee/tea in a cup generally only stain in a ring where the liquid meets the air? Is this some sort of reduction/oxidation product? | [
"Someone else might have a better answer, but I think the reason is simply that at the edge is the only contact point of liquid & mug where the water is evaporating, and it leaves behind a deposit of tea/coffee as it does."
] | [
"Generally, boiling requires imperfection in surfaces for bubbles to form. Usually that is not a problem in a pan, because there are small scratches and such that keep it going. But that may not be enough to boil fast enough for the energy being put in, if you have the heat cranked up. A secondary issue may be star... | eli5_question_answer | {
"query": "Represent the Reddit post:",
"pos": "Represent the Reddit passage:",
"neg": "Represent the Reddit passage about Physics:"
} |
why musicians on youtube need to wear headphones while they record but live musicians don't | [
"Live musicians use stage or in-ear monitors which do basically the same thing - allow them to hear themselves."
] | [
"The noise levels outside are going to be higher than inside if you are able to hear what people are saying outdoors, therefore. Ahh who am I kidding I dunno wtf I'm talking about"
] | eli5_question_answer | {
"query": "Represent the Reddit title:",
"pos": "Represent the Reddit post:",
"neg": "Represent the Reddit post:"
} |
Why are test scores so crucial in schooling? | [
"we need a way to assess kids in a way that is as neutral as possible. Higher grade says a lot about your work ethics, motivation, ability to follow instructions etc. It is not a simple assessment of your intellgience. it is an objective way the adults look at you and your potential. although more people are realis... | [
"Colleges and graduate schools in the US are top-notch. Other countries send their best students here. Its the grade schools and high schools that stink."
] | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit text:",
"neg": "Represent the Reddit text:"
} |
What is the difference between Android and iOS regarding how both operating systems work? | [
"It's a very broad topic, but to answer your specific question, > I just heard that iOS is somewhat a closed system in itself and Android isn't. But then again I don't even know what that means either. Basically, this boils down to the fact that the only way to make and publish an application for iOS is to submit ... | [
"A pragmatic reasoning could be that the majority of computer users have no clue how to install an operating system."
] | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
What happens to my $15/hr job if the minimum wage is increased to $15? | [
"Companies have no obligation to increase your pay, so you'll probably see no immediate change. That being said, over the course of a few months, depending on the company, you might see an increase, so that they can keep workers/~~higher~~ hire new workers."
] | [
"That would only be the case if wages were the highest cost of a product. This is not always the case. This article sums it up well. If Walmart raised its average wage from current 8.75 an hour to 12 an hour, prices would only go up 1.1 percent. _URL_0_"
] | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit argument:",
"neg": "Represent the Reddit argument:"
} |
Why does it take 20 minutes for my stomach to tell my brain that it's full, when messages from my nervous system travel thousands of miles/kilometers per second? | [
"When you eat, the sugar level in your bloodstream rises. This is in by muscle and fat cells as energy. When the fat cells get the energy, they release leptin which your brain recognises and tells you that you are full, and you can spend energy. While this process takes some time, it also has the added benefit of b... | [
"Light, or what you see when the volcano erupts, travels at 186,000 *miles per second*, while sound travels exponentially slower at about 767 *miles per hour*. It takes just a fraction of a millisecond for the light from the volcano to reach your eyes, as opposed tot he 15 seconds it takes the sound to reach your e... | eli5_question_answer | {
"query": "Represent the query about Health and Wellness:",
"pos": "Represent the document about Health and Wellness:",
"neg": "Represent the document:"
} |
Why is so much land only just above sea level? | [
"Well, the mean elevation worldwide is something over 800 meters. But, a large percentage of the human population lives near sea level, for reasons of food and commerce."
] | [
"Does it matter if there is water instead of roads between a number of small towns? We have boats and bridges."
] | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit argument:",
"neg": "Represent the Reddit argument:"
} |
Why does regular Panadol exist when Panadol Rapid works 2x as fast? | [
"It doesn't work 2x as fast. its an advertising lie. _URL_0_ “It doesn’t make a huge amount of difference at a clinical level,” Dr Kyle told _URL_1_."
] | [
"They both function a bit differently, but essentially, here are some key points: Paracetamol/Tylenol: More effective at reducing headaches, more difficult for liver to process when taken in large amounts, fever reducer, more of a pure pain killer Ibuprofen/Advil: More effective at reducing inflammation/general ach... | eli5_question_answer | {
"query": "Represent the Reddit post:",
"pos": "Represent the Reddit passage:",
"neg": "Represent the Reddit passage:"
} |
How do rare animals find each other for the purpose of mating? | [
"Unfortunately they often don't find each other, and this leads to numerous problems up to and including extinction. For example, look at the current global ranges of [lions](_URL_0_) and [tigers](_URL_1_). This spotty distribution promotes inbreeding and consequently reduced genetic diversity, which is of course v... | [
"With some exceptions sex is a healthy and integral part of any relationship. It’s kinda the whole point of seeking a mate, biologically speaking."
] | eli5_question_answer | {
"query": "Represent the Reddit query:",
"pos": "Represent the Reddit document:",
"neg": "Represent the Reddit document:"
} |
Do the same species of animals have different accents if they are in different places in the world? | [
"Yes, animals do have regional accents. It has been *\"proven\"* for various animals like cows, goats, parrots, dogs and whales. For example, cows in different herds will moo at a different pitch. Not only do they have different sounds, outsider cows who are introduced in a new herd will by time moo the new moo. An... | [
"Most species are specific to a certain area. There might similar sub-species in other areas but they're not exactly the same. So once people stop seeing (directly or indirectly) that particular species in a particular area they are classified as extinct until proven otherwise."
] | eli5_question_answer | {
"query": "Represent the query:",
"pos": "Represent the document:",
"neg": "Represent the document:"
} |
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