id stringlengths 5 6 | input stringlengths 3 301 | output list | meta null |
|---|---|---|---|
4uc08q | why is a scratch on a black car white and on a white car black? | [
{
"answer": "It's nor white or black: it's grey and being half way between the 2 colors, it appears to be dark against white and fair against black. ",
"provenance": null
},
{
"answer": "There are 4 major layers in the paint on a car, from bottom to top they are: \nThe substrate: metal or plastic, ... | null |
1q4hae | Why is methionine/n-formylmethionine the universal start codon? Why not other amino acids? | [
{
"answer": "It all comes down to the [ribosome](_URL_0_). It receives its catalytic activity through RNA, which is ribosomal RNA or rRNA. The smaller subunit has a bound methionine carrying tRNAi^met that will bind with the AUG codon of an mRNA strand. When this happens, the smaller subunits recruits the large... | null |
13zknj | how wireless charging works and why it can/can't be put in roads to power electric cars? | [
{
"answer": "Imagine you have two loops of wire very close to each other. You put an electrical current through one of the wires. This current creates a moving magnetic field around that first wire. This magnetic field drags the electrons in the second wire, creating a second current. \n\nThe problem is that, e... | null |
vaxpk | ipv6, the new and improved internet protocol? | [
{
"answer": "Watch this [video from Google regarding the differences.](_URL_0_)",
"provenance": null
},
{
"answer": "Imagine you invent the telephone. Telephones are complicated and expensive, and not many people can afford them. You sell a bunch, and give them three-digit phone numbers -- the first... | null |
2brd9z | how is it that we are the most advanced species on the planet, yet our young take so long (much longer than most species) to be self-sufficient? | [
{
"answer": "That's just it. It takes a while to amass information and use it.\n\nAn animal just does whatever comes natural, aka 'instinct'. But humans are taught and trained and learn and practice and... and...\n\nLayers and layers of information and training to get us to the point where we can actually ach... | null |
wjkeh | What are some things that people would be surprised to hear about your respective field? | [
{
"answer": "The phone switches that power huge portions of the US phone network are a type that was first installed in the mid-1970s and is based on technology from the 1960s. They'll probably be in service for another 10 years at least.",
"provenance": null
},
{
"answer": "Just a few things\n\n\n\... | null |
6s793f | Is it the common understanding that all life on earth shares a common origin and ancestor? Even methane metabolizing bacteria? How do we know life didn't spring up in a common way in separate places or times? | [
{
"answer": "Yes. See [Last universal common ancestor](_URL_0_). Yes, even methane-metabolizing bacteria. That Wikipedia page also outlines the evidence in favor of this.\n\nHowever, this does not mean that life didn't spring up in a common way in separate places or times. All it means that the life present tod... | null |
3fku89 | Why did the shield wall/phalanx fall out of use in medieval times, even before the widespread use of guns? | [
{
"answer": "I wouldn't necessarily say that the phalanx went out of use before the spread of guns. Due to the dominance of heavy cavalry in Western Europe during the Middle Ages, pikes became very popular with many Crowns. As time went on and early muskets were introduced, you'd have formations like the tercio... | null |
3slcw2 | what are the differences of viral, fungal, and bacterial infections in the human body. | [
{
"answer": "The difference is the type of critter that is making you sick/causing the infection. Viral infections are caused by a maybe alive, maybe not depending on who you talk to, bit of protein and RNA that hijack your cells to produce more copies of itself, making you sick. Fungal infections are caused by... | null |
1ph2vb | how come potatos float, but things just as heavy sink? | [
{
"answer": "If something (like a potato or wood) is less dense than the liquid (like water) you place it in, it will float. It is about density, not weight.",
"provenance": null
},
{
"answer": "Floating doesn't have as much to do with weight as it has to do with density.\n\nAn object will sink if t... | null |
1ov9w7 | How quickly does temperature change on Mercury? | [
{
"answer": "Because Mercury has hardly any atmosphere its heat is not conserved like ours is at night. In fact on Mercury a day is longer than a year leaving large areas of the planet cold for long periods of time. In full honesty the temperature can start changing instantly at the time the photons hit the sur... | null |
unkde | what is the difference between private property and personal property? | [
{
"answer": "*Personal* property is stuff that you just like... have lying around. Your clothes would be personal property, along with your phone, dog, and TV.\n\n*Private* property is stuff like an office or factory. You're not holding it in your hands; if everyone else did not agree that you owned it, you wou... | null |
4vhhow | how does helium in a sealed balloon "wear out" after a few days, and what do blimps do to counteract this effect? | [
{
"answer": "Helium is the smallest stable molecule there is. It is so small that it can fit between the molecules of most solid materials. So keeping helium in a rubber balloon is like keeping water in a cloth bag. It will slowly leak out over time. Blimps use denser and thicker materials for their balloons bu... | null |
1ebkpn | Why, if the Sun is a "Green Star," do we see it as red/yellow/orange? | [
{
"answer": "Some call it green because the Boltzman peak happens in the \"green\" region. The problem is if its emitting here its also emitting at many other wavelengths as well. Our eyes see the combination of all these colors to derive the final view which is yellow/orange.\n\n",
"provenance": null
}... | null |
2j7r0y | if my computer can watch gameplay of a game on the highest quality why can't my video card support it's graphics. | [
{
"answer": "When you play the game, your computer has to calculate many things like how the light is going to bounce off different objects, it has to load texture files, render complex 3d models and many more.\n\nWhen you play a video, its just playing pictures, its not having to \"build\" what's in them.",
... | null |
1a6bjd | why when repaving a freeway is the concrete under an overpass never paved over | [
{
"answer": "The dump truck which feeds the paving machine often has its [bed extended high into the air](_URL_0_), which probably exceeds the clearance of many overpasses. I'd imagine they just skip them and finish up with smaller equipment after the main drags are completed.",
"provenance": null
},
{
... | null |
2deq3j | why can't we bring in sealed beverages through tsa checkpoints but we can buy those same beverages on the other side at 200% markup? | [
{
"answer": "You just answered your own question.",
"provenance": null
},
{
"answer": "For the fear that you might have sealed the beverage yourself and it might actually contain gasoline or other dangerous substances instead of an actual can of coke.",
"provenance": null
},
{
"answer": ... | null |
3wy3sk | What happened to Prussian military values? | [
{
"answer": "Just to follow up here, is there a work covering postwar Germany similar to John Dower's \"Embracing Defeat\" but for Germany rather than Japan?",
"provenance": null
},
{
"answer": "I'm not sure that \"Prussian Military Values\" as much glorified war, as it did the profession of arms, a... | null |
4t43m0 | Is nuclear fusion currently the most efficient method of energy generation or do we know of something better? | [
{
"answer": "Aside from solar and wind power, virtually all means of energy generation are the same: produce heat, boil water, and use the steam to power a turbine. In that sense, a nuclear plant can have effectively the same efficiency as a coal, oil, or natural gas plant. If you are using a different defin... | null |
1cxe9j | Why does a person spinning around slow the earths rotation? | [
{
"answer": "An analogue:\n\nSay you are on a vehicle on a perfectly flat surface with incredibly well greased wheels (basically no friction). Now you are standing still on one end of the vehicle and start running towards the end of the vehicle. Your acceleration sets the vehicle into motion just as yourself an... | null |
7er5h8 | On my bike: is it more efficient to pedal fast in a low gear or slower in a high gear? | [
{
"answer": "There are 2 limiting factors, and you have to take them both into account to determine the efficiency.\n\n\n\nFirst: there's a limit on how fast you can pedal. So the faster you move, faster you have to pedal, if gear is kept the same. You'll reach a point where you can't move your legs any faster ... | null |
6lb5vu | if fireworks are illegal, why do people get them anyway and don't get penalized? | [
{
"answer": "Fireworks are illegal in the same way that jaywalking is illegal. They're a minor infraction punishable by a small fine. So unless you're causing trouble, most cops aren't going to waste their time writing you a $25 ticket.",
"provenance": null
},
{
"answer": "Oh my friend they get pena... | null |
bk5nqn | how does ritalin work? | [
{
"answer": "For me it doesn't help directly with concentration, but I don't get frustrated and angry so easily, which then leads to being able to concentrate easilier.\n\nSource: got adhd and been on ritalin uno for almost a year, 60mg a day.",
"provenance": null
},
{
"answer": "So to answer the 2n... | null |
3mm60t | Why was the German M24 potato mashers concept of having a stick to throw the grenade not adapted by other armed forces? | [
{
"answer": "Stick grenades were not only used by Germany.\n\nThere are several advantages to the \"pineapple\" design. If you just check a picture of both types you will notice that the pineapple version is smaller and therefore weights less, is easier to carry and easier to transport. Equipping a unit with se... | null |
v1n27 | Can all winged animals be traced back to a single animal that was born with a mutation that caused it to grow wings? | [
{
"answer": "Wings have evolved independently at least four times in the history of the planet. Flying insects, birds, bats, and prehistoric flying reptiles like the pterodactyl all developed flight separate from each other.",
"provenance": null
},
{
"answer": "All winged animals? Certainly not. B... | null |
5ju230 | What was the average height of different armies in World War 2? | [
{
"answer": "In the US Army during WWII, logs were kept by the Quartermaster Corps of what sizes of clothes were issued for supply purposes, as well as by the Medical Corps for statistical purposes. It was found that the average male inductee was 5 feet, 8 inches tall and weighed 144 pounds; an inch taller and ... | null |
28ljiu | Which ancestor species in the genus of Homids was the first to adapt with clothing and why? | [
{
"answer": "/r/AskAnthropology would be better equipped to tackle this question for you.",
"provenance": null
},
{
"answer": null,
"provenance": [
{
"wikipedia_id": "19554533",
"title": "Homo erectus",
"section": "Section::::Behaviour.:Sociality.\n",
"start... | null |
fbaq91 | Do we really know what Ancient Greece looked like? I’ve been playing Assassin’s Creed Odyssey and was wondering if it is really an accurate depiction of what Greece looked like at that time. | [
{
"answer": "There's two pretty distinct parts to your question so I'll discuss them separately.\n\n & nbsp;\n\n**How do we know what Ancient Greece looked like?**\n\nThe most famous remains of Classical Greece are literary texts, painted vases, ruined buildings, and statues (the latter usually Roman marble cop... | null |
3e6vdj | they had rc planes and helicopters way before and no one cared so what's the big issue with people and drones? | [
{
"answer": "I would say part of it would be the recording video aspect. Since you could theoretically fly a drone and peek into your neighbors house. South Park did an episode that is quite entertaining on the drone issues\n\n\nEDIT: Here is a link to the [south park](_URL_0_) episode",
"provenance": null
... | null |
6kbgdr | why aren't bluefin tuna more commonly bred? | [
{
"answer": "It's not as profitable as you would think. Bluefins require *massive* amounts of food per pound of weight gained. They also are 1000+ lbs so you need a huge amount of space and heavy duty equipment to do it. The land and equipment eats into that profit tremendously, but the big reason is that th... | null |
5xzxhg | why do pets have "favorite" toys? | [
{
"answer": "Pets are just like us. They have smells they prefer, colors (if they can see them) etc. They also often like predictibility and routine at times and may find relaxing with the same object often soothing. Other features that cause a pet to enjoy a toy may include the sound it makes, the way it moves... | null |
1p4e0j | What is the origin of the wandering Romani? | [
{
"answer": "India is the accepted original spot. People left India between 700 and 1200 C.E., and landed in the Middle East, where they split. My understanding is that there may have been separate migrations of Dom and Rom, with the Dom leaving earlier.\n\nThey did not keep a written record, however historians... | null |
1hmxtd | why is it when you jump straight up you move with the earth, instead of it moving under you. | [
{
"answer": "The earth does turn under you. And the ground is moving really fast. So why don't we notice?\n\nLet's think about three things in the time of a jump, 1 second: The whole earth, you, and the point on the ground right under you. \n\nThe whole earth is turning or spinning. That means that it turns ... | null |
3japbj | Was John Locke in favor of democracy? | [
{
"answer": "John Locke's most politically influential work is probably his two Treatises of Government. The first of which, is mostly written as refutation of a work titled Patriarcha, by Sir Robert Filmer, which was mostly written as a philosophical attempt to support the divine right of kings. Arguing for a ... | null |
40x3y5 | why must i enter a captcha to pay a bill? are they afraid a robot is going to enter a credit card on my behalf? | [
{
"answer": "Yes, captchas are generally used to prevent automation by using (ro)bots. However, there are a couple of side effects. One would be that you can not \"accidentally\" pay the bill because you would have to enter the captcha first. A bot would also not just enter \"a credit card\" but instead do pret... | null |
77y2el | Why do some trees leaves turn red some yellow and some orange and if a tree is red this year then is it always red or can it be yellow next year? | [
{
"answer": "Chlorophyll is the main pigment that most plants contain and it’s what causes plants to be green.\n\nHowever, plants have other pigments as well . These are the reds, oranges, and yellows that can be seen in the fall when the chlorophyll starts to break down as the trees prep for winter.\n\n\nAnd y... | null |
ntsib | Does drinking alcohol kill off viruses and other diseases in your system by any amount? | [
{
"answer": "No, the concentration of ethanol needed to kills microbes in large quantities is over 60%. You would be *long* dead via alcohol poisoning before that happened. \nFurthermore, alcohol is not very good at killing microbes in a system such as your body (or a cell plate in a bio lab), hence why other... | null |
137xy5 | The conflict of Israel v. Hamas has come up due to recent events. What is the history behind the Israelis and the anti-Israeli sentiment in Palestine, or even Gaza and West Bank? | [
{
"answer": "Well, you've opened a whole can of worms here.\n\nThe modern Zionist movement began in the 1890s when a fellow by the name of Theodore Herzl, an upper-middle class Jew from Hungary witnessed the trial of Alfred Dreyfus in France. Herzl had long believed that Europe could be a safe civil place for a... | null |
5lsj6f | what causes us to rub our face when we are tired? | [
{
"answer": "Tired eyes get dry, and rubbing stimulates the glands to produce more fluid. Tiredness also closes your eyes, so you may rub to keep them open. Finally, there's a connection between the muscles that move your eyes around and your heart. When these muscles are stimulated, a reflex slows the heart.",... | null |
cx0var | Did Manchukuo have any sort of national identity or was it purely a Japanese puppet? | [
{
"answer": "**TL;DR at the Bottom**\n\nThe political situation surrounding Manchuria (or the Northeast, *dongbei*) is extremely complex. After the collapse of the Qing, and the general chaos ensuing between and during the Republican Period, Japan had strong economic ties to Manchuria, which at the time led the... | null |
7txlgv | In the First World War, soldiers were required to be clean shaven in order to ensure a proper seal on their gas masks. Was this rule extended to Sikh soldiers, who in the modern British Army, are allowed to wear facial hair on religious grounds? | [
{
"answer": "This question is based on a faulty premise, at least for the British Army. Soldiers were not required to be clean-shaven to wear gas masks; the regulations that regulated facial hair for British soldiers dated from a time before chemical warfare was a fact of life. Soldiers in the field also tended... | null |
3u7qqw | how does natural selection work for selecting genes for addictive and destructive behaviors such alcoholism, smoking, gambling and other substance abuse? | [
{
"answer": "In short, it doesn't very much. By the time you become a full blown alcoholic, heroin addict, whatever, you're probably well into your child having years anyway. While some people fall into these problems earlier than that, they're the rare exception. Not too many 19 year old gambling addicts ou... | null |
1dbyc5 | los angeles traffic | [
{
"answer": "Because its worse than the other two cities. Additionally, LA's public transit isn't nearly as comprehensive and awesome as that of NYC or Chicago, so more people are on the roads than would like to be due to lack of an alternative that's cost and time effective.",
"provenance": null
},
{
... | null |
6vyigy | why is it that kids have such a fascination with vehicles and transportation? | [
{
"answer": "I got into mechanical engineering because once upon a time my parents got me a few of those \"planes and trains and things that go\" books, and I loved reading the Eyewitness Books and Incredible Cross Sections in the school library.\n\nThere's something fascinating, perhaps majestic that seems qui... | null |
kck8r | Given the right circumstances could flora become sentient? | [
{
"answer": "I don't think you could say conclusively no, given a large enough time frame, but it's doubtful that the resultant life form would still be classified as a plant. ",
"provenance": null
},
{
"answer": "Hypothetically, yes, but i'd imagine an animal would have a higher evolutionary advant... | null |
60ylcp | Why do we need to compile separate 32 and 64 bit versions? | [
{
"answer": "Sure, and one cpu does just that. But 64-bit code has several advantages. For one the address space is bigger, so you aren't limited to using only 4 gigs (in practice closer to 2 gigs) of ram and can use up to terabytes of ram for a single process if you want. For another the 64 bit instruction set... | null |
4drgtt | The Bristish History or The History of England podcast | [
{
"answer": "Hi, I actually co-produce The British History Podcast. I say listen to both and see what suits what you're looking for in a podcast - Crowther takes a very different tone and approach than we do, so there's a distinct difference. I recommend listening to ten episodes of each to get a real feel for ... | null |
1t4mt6 | is it more economical to run my car half full of gas due to a lighter vehicle rather than filling up each time? | [
{
"answer": "Yes, theoretically... but consider, a gallon of gas weighs 6.3 pounds, so a 20 gallon tank only weighs around 120 lbs. So, you are talking about maybe a 60lb savings in vehicular weight. May as well just drain your wiper fluid low and toss out your floormats while you're at it.",
"provenance... | null |
5m6c5n | Why was the Lee Enfield SMLE, the only major bolt action rifle to have a 10 round magazine. | [
{
"answer": "James Paris Lee's detachable box magazine was pretty revolutionary for the time; every other rifle was using a blind magazine within the action, or the Mannlicher enbloc system. Originally designed to hold five rounds, the magazine (single stack) was changed to hold eight rounds when the Magazine... | null |
79do1a | When you get cancer, is most of the pain focused on the area that you have cancer in? Or does the pain spread out across the body regardless of the origin of cancer? | [
{
"answer": "Excepting brain cancer, pain in cancer is frequently due to disruption of the normal anatomy which produces local pain that may be so severe or vague it feels like it’s spreading. For example, liver cancer can stretch out the sac that surrounds the liver (its capsule) and produce excruciating pain,... | null |
1k5lgl | How do historians view archeologists, and vice versa? | [
{
"answer": "First off, yes, misspelled. Well, according to many. According to some you spelled it correctly. I think that most archaeologists would use the ae form. Except the new archeologists. Who are now quite old. I'll stop referring in abstract to archaeological theories.\n\nBasically, there's no one answ... | null |
cwwgon | Woodstock is sometimes thought of as as the defining event for the Baby Boomer generation. To what extent did you young people outside of the Northeast know about Woodstock, and what did they think about it? Why is it thought of as being a unique and important event? | [
{
"answer": "A comment rather than direct answer, but in July 1969, around half a millon people or more gathered around cape Canaveral for the Appollo space launch. This was more than attended Woodstock a month later. The Canaveral gathering was a huge event but is not mentioned as much as woodstock.",
"pro... | null |
6y3g0e | why do soldiers have their thumb over the barrel/bore of their rifle when engaging a target? | [
{
"answer": "For accurate shooting it is very important to have the correct grip and techniques. Soldiers are also being trained in this. However in a war there is a lot of things to worry about. Most shots are not even aimed. So soldiers might opt to have a better grip on their rife so they do not lose their g... | null |
29pja3 | why do humans enjoy having other species as pets? | [
{
"answer": "There are many reasons. The most prominent one is probably companionship.",
"provenance": null
},
{
"answer": "Less demanding of social skills, hygiene, appearance & they don't talk back. ",
"provenance": null
},
{
"answer": "I heard of baboons that train dogs as guard do... | null |
cyyl5g | How are specific DNA primers constructed in the lab? | [
{
"answer": "They're chemically synthesized from activated nucleotide building blocks. Phosphoramidite chemistry is most commonly used these days. See: _URL_0_",
"provenance": null
},
{
"answer": null,
"provenance": [
{
"wikipedia_id": "42447237",
"title": "Reverse Transcri... | null |
2s3ov1 | league of legends; dota 2; smite | [
{
"answer": "They are in the same genre of games. They all have their similarities and differences.\n\nJust like quake, counter strike and call of duty are all shooters, buy very different games.",
"provenance": null
},
{
"answer": null,
"provenance": [
{
"wikipedia_id": "41118773"... | null |
tourh | Do people have differing tolerances towards
painkillers and anasthetics? | [
{
"answer": "Yes, even disregarding building up tolerance.\n\ne:This is also why anesthesiologists get paid so well, because it is a tricky thing to find the right level for each person.",
"provenance": null
},
{
"answer": "Absolutely. As highlighted by others, red heads are notoriously difficult to... | null |
9vciw4 | how can some employers fire/lay off workers for seemingly no reason but others have to document things like "write ups" to have grounds for termination? | [
{
"answer": "In many states you can fire an employee for \"no reason,\" but not for \"any reason.\"\n\n\"No reason\" means just that. Your boss can just fire you because it's Thursday and he's in a bad mood.\n\nHowever, if your boss tries to fire you because you're a woman, or because you're gay, or something l... | null |
6vn90x | what is controversial about athletes kneeling during the national anthem (objectivity appreciated)? | [
{
"answer": "Traditional decorum is to stand during the national anthem and face the flag. Some athletes are kneeling during the national anthem as a form of protest, which is perceived as an insult to the nation because it violates that social norm to respect the national symbols. \n\nThe athletes say it is ju... | null |
1knsc1 | Historians of Reddit. What is the most important lesson from history? | [
{
"answer": "Eh, I'd say the most important thing history teaches is simply *perspective*. It shows that you we aren't the first, we won't be the last, we aren't nearly as important and pivotal as we like to think, and we're just a very small part in a *very* grand and complex human story. \n\nLessons like \"Ne... | null |
fynot | Hey AskScience, what forces (jet stream, etc) influence the movement of storms? | [
{
"answer": "Jet stream has little to do with movement of storms at a low altitude. The more prevalent forces are pressure gradient (low pressure at the center of the storm creates movement of air) and coriolis force (a moving fluid on a rotating sphere creates a curvature to the right of motion in the norther... | null |
a1h0s1 | During the First World War, what purpose did those little horn looking things serve on the German stalhelms? | [
{
"answer": "Those \"horns\" on the side, are for the purposes of ventilation and to support a a steel brow plate for extra protection. It was later dropped because the brow plate made the helmet too heavy for general use. \n\n\nBull, Stephen; Hook, Adam (2002). *World War I Trench Warfare: 1914–16*. Osprey P... | null |
15epbh | Colloquialisms in Ancient Rome? | [
{
"answer": "[This](_URL_0_) is an example of Roman graffiti found in Pompeii. Many are funny, and many are crass. I'm not sure about word play, but there is a word square in there.\n\nI've always feel that these give a very human look at Romans, rather than just seeing them as an ancient society.\n",
"prov... | null |
2b8mye | where does my cash go when i deposit it at the bank? | [
{
"answer": "Into the tellers draw and credited electronically to your account. Then at regular intervals it will get taken to the banks safe. ",
"provenance": null
},
{
"answer": null,
"provenance": [
{
"wikipedia_id": "23409418",
"title": "Liability (financial accounting)... | null |
at76er | how were there surrenders in such large numbers during ww2? | [
{
"answer": "People don't like dying, and obedience is enforced harshly in the military. If you have a bunch of people encircled and out of options the question is either them surrendering or killing them all. When the order from leadership comes down to surrender then soldiers are expected to obey, as if they ... | null |
1qeh64 | Did military bands actually play during battles? | [
{
"answer": "Yes - here's an example from Russo-Japanese war: \n\nIn February, 1905 214th Mokshansky infantry regiment of Russian Army was encircled during Mukden battle. At critical point, when ordinance was almost gone and soldiers was tired from defending their position on the hill, Col. Pyotr Pobyvanetz has... | null |
1ufop6 | After France was captured in WW2 where did the Free French Army Go/what did they do. Also did Vichy France have any formal army of their own? | [
{
"answer": "Yes, Vichy France had Army of the Armistice (or Armée de l'Armistice). Under direction of the German army, it was meant to defend from the Allies.\n\nAs far as the Free French Army goes keep in mind there were other French servicemen too. \nMany escaped to England, indeed French pilots flew in the ... | null |
1o2mp5 | why do some cats and dogs get along but others hate each other, how do animals like that decide who they like/dislike? | [
{
"answer": "How do *you* decide whom you like and dislike...?",
"provenance": null
},
{
"answer": null,
"provenance": [
{
"wikipedia_id": "34100925",
"title": "Dog–cat relationship",
"section": "Section::::Range of relationships.\n",
"start_paragraph_id": 5... | null |
2vtj8t | why does my hdtv have input lag when playing video games, and what, if anything, can be done to minimize/eliminate it? | [
{
"answer": "TV's do a lot of image processing compared to monitors. \n \nHere are somethings you can do to reduce lag: \n \n* Turn on Game Mode. \n* Turn down/off Sharpness. \n* Turn off Dynamic Contrast. \n* Turn off all Noise Filters. \n* Turn off Edge Enhancement. \n* And for the love of God, turn ... | null |
4e3rhc | how do wireless speakers work? | [
{
"answer": "Just like radio. There is a transmitter and a reciever. In the case of Bluetooth, the transmitter is something like a smartphone. Then the speaker recieves the signal, and amplifies it.",
"provenance": null
},
{
"answer": null,
"provenance": [
{
"wikipedia_id": "163156... | null |
2tnsi5 | why is it that i can stream a movie fine until it is fully downloaded, then the video becomes lagy and intermittent? | [
{
"answer": "Assuming you are talking about a youtube -esque player, the grey download bar is a partial placebo, if you start a 1 hour video and wait for it to buffer all the way you likely aren't downloading the entire thing. On your end this seems to be silly but on the companies end there is a lot of users ... | null |
gnkbp | Do you have any stories about interesting/promising experiments that worked in the lab but not in the real world? | [
{
"answer": "A lot of solar technologies where a tiny device performs very well but it can't be scaled to something big.",
"provenance": null
},
{
"answer": "If you have some agar, you can show that many bacterial species cannot grow well on agar plates impregnated with various spices like garlic an... | null |
2h26e8 | why my tv signal messes up after turning on my battery charged vacuum cleaner? | [
{
"answer": "Because the vacuum cleaner's electric motor is emitting an electromagnetic field that interferes with the tv's reception. ",
"provenance": null
},
{
"answer": null,
"provenance": [
{
"wikipedia_id": "1105823",
"title": "Degaussing",
"section": "Section:... | null |
341hk0 | why is it that a part of your body getting hurt enough (like getting kicked in the shin) will sometimes give you a taste of blood in your mouth? | [
{
"answer": "I've never heard of this phenomenon but perhaps you're hurt so bad without realizing it you're biting your lip or inner cheeks or what have you and draw blood?",
"provenance": null
},
{
"answer": "It's a side effect of hitting a nerve. It's kinda like cross-talk. So the nerves that co... | null |
1vhg9l | why is it both my reading speed and absorption rate are a lot higher when reading stories as opposed other forms of writing? | [
{
"answer": "Think of all the knowledge in the world as a building and rooms contain things that you know or don't know. Every time you learn something new, your brain has to find the hallway or staircase that connects that room to all the other related rooms. The ease with which you can do this depends on the ... | null |
21sgrm | why dextrose is considered an artificial sweetener when it is another form of glucose. | [
{
"answer": "Because it is not a sugar that is naturally found in the environment and can only be made under specific conditions.",
"provenance": null
},
{
"answer": "The dextrose is not artificial, it's just added to the artifical sugar as a bulking agent.\n\nThe thing about Splenda and aspartame i... | null |
27dwdx | when to take asprin, acetaminophen, or ibuprofen | [
{
"answer": "Hopefully I can be of some help :)\n\nAspirin- Has anti-inflammatory properties so it's good for things like toothaches, arthritis and other pains caused by inflammation. Also, it's used to thin out blood so it can help prevent future strokes and heart attacks. Cons: can be a stomach irritant.\n\... | null |
9gj0oa | How did Spanish colonial mismanagement lead to the poor state of it's former colonies-turned-independent countries | [
{
"answer": "\nWe can find many influences of Spanish rule in the Americas lasting into post-colonial times. I've written before on colonial administration and on how certain practices were established there that facilitated later corruption - I'm adding the answer below as it seems relevant. Other factors inc... | null |
3dr54i | why are tracksuits synonymist with russia? | [
{
"answer": "In russia, poland and other slavic countries, track suits are worn by a group of young people similar to British chavs. You should check out r/squattingslavs for more examples of this specimen.\nEdited spelling.\n",
"provenance": null
},
{
"answer": null,
"provenance": [
{
... | null |
v1nsc | Popular Questions regarding reproduction in Snakes | [
{
"answer": "Do you think you can get a clutch of eggs and show them the developmental stages?",
"provenance": null
},
{
"answer": null,
"provenance": [
{
"wikipedia_id": "39309111",
"title": "Sexual selection in scaled reptiles",
"section": "Section::::Post-copulat... | null |
26y82y | why did new york city merge multiple subway companies into one? | [
{
"answer": "The problem is that if I want to get from A to B, I don't have a choice of which line I take. If company X provides a better service but doesn't run the line that takes me from A to B, that's no use to me. I'm not going to walk half a mile to station C to get a train to D and then walk another half... | null |
23uogg | How does the body compensate for being too alkaline or too acidic? | [
{
"answer": "Your body uses a bicarbonate buffer system to maintain proper blood pH. \n\nIf pH is too high your body will blow off CO2 in order to force the equilibrium back into balance.\n\nif pH is too low respiration will slow in order to keep more CO2 in the blood.\n\nThe kidneys also help to manage this sy... | null |
1dk7jl | prices of shares go up and down each hour. so why don't people just buy, and sell when the price gets higher and keep doing this until they are rich? | [
{
"answer": "How do you know that the prices are going back down? You could buy when the stock is $1 sell when its $2 then it could go all the way up to $5 and never dip below $3 again.",
"provenance": null
},
{
"answer": "They do!\n\nBut it's not quite that simple. You can't buy and sell at the sam... | null |
68z1o5 | the us constitution and its amendments. | [
{
"answer": "An amendment is allowed by the section titled \"elastic clause\" which allows congress to make changes to the constitution by vote. Amendments are a rather big deal, like changing voting rights. And I suck at this type of thing, someone will explain it better.",
"provenance": null
},
{
... | null |
2ya37x | how are we legally able to sue for a "negative review" but not legally obliged to pay for positive ones? | [
{
"answer": "You can sue for anything, but you are not likely to win many things. Damages for receiving a negative review are one of the things you are not likely to win. In fact news of a company making a lawsuit for bad reviews is such bad press it is most likely to make them lose even more profits. ",
"p... | null |
2q2h8m | what is it in the quran that convinces so many extremists to fight in the name of their god? | [
{
"answer": " > Why are there no current Christian extremists?\n\n[Does the KKK not count? As well as other Christians who have, for example, blown up abortion clinics in the name of Christianity?](_URL_0_) These people could very easily be compared to aforementioned \"outliers\". For these outliers, you must ... | null |
2u8rut | memory leaks in computer programs. | [
{
"answer": "1) It *can* but it's not a simple problem. Java has a garbage collector that does this, and it is possible to set up a similar thing in C, but C let's you do memory manipulation on a scale Java doesn't allow so it's harder. \n2) By not having memory leaks.",
"provenance": null
},
{
"a... | null |
4qj8ww | Are there chemicals that get released in my brain while asleep that cause me to think more clearly in the morning? | [
{
"answer": "You might want to read [this short article](_URL_2_), which discusses the development of insight during sleep. The authors speculate that REM might be implicated but that was not supported by subsequent research.\n\nIn the original (as far as I know) study, sleep was been found to lead to insight -... | null |
8a84wz | Why is most of the gold in the world found in Africa? | [
{
"answer": "By total amount of gold mine reserves, North America comes out on top with about 30% of known gold mine reserves by weight. Africa has only 22%. The US and Canada combined have more gold than all of Africa. So the premise of the question is wrong since Africa does not have the most gold compared to... | null |
a3ayo7 | Why is the Ozone Layer Hole in the South Pole? Why isn't it in the North Pole? | [
{
"answer": "The Antarctic one is the “famous” one but there was also an article in Nature in 2005 about an Arctic ozone hole and occasionally a hole will form over Tibet (albeit not as intense). The Antarctic one was primarily exacerbated by the polar vortex in the Antarctic that fed into a seasonal increase i... | null |
5a4nco | how do scientists achieve extremely cold temperatures in labs (liquid oxygen/hydrogen levels)? in order to heat something up, i understand that you can add more energy to it, but how is it possible to make something that cold? | [
{
"answer": "As you said when something is heated or when something is boiled it requires energy to be taken in. So how do you cool something?\n\nYou simply put a lot of pressure on a gas to make it a liquid. Then when you allow the liquid to expand it will begin to boil and turn back to a gas. This boiling pro... | null |
kyrq6 | Why do flowers smell nice to humans? | [
{
"answer": "Many flowers smell like dead flesh to attract flies to pollinate them. We have bred certain flowers to smell better for us but they don't occur naturally. So I guess I would say that most people don't notice the wild flowers that we can't smell or smell bad. We mostly interact with good smelling do... | null |
38y1rk | why do laptops preform better when plugged in? | [
{
"answer": "Well, it's due to the power management profile in the laptop's control panel. Running your computer's components at full power consumes an awful lot of, well, power. Throttling your system down when it's not attached to the outlet means it can extend its battery life. You can always change how it r... | null |
57oqf0 | Why is there so much rainfall in East Asia, even though most of it is at the same latitudes as the Sahara desert? | [
{
"answer": "It's because of the Himalayas. If there were no mountains on the Earth, it would be dry along the tropics like [the Sahara and the Middle East](_URL_1_). But mountain ranges and nearby oceans shift the dry zone away, and cause [monsoon rains to the east](_URL_0_).",
"provenance": null
},
{
... | null |
9hanqr | What historical processes lead to the development of Texas cities around beltway (ring road) highways? | [
{
"answer": "I don't have all the info, but I can get you started. \n\nWe call them 'loops,' as does the state department, but if you look into the technical definition according to the ones who build them, loops are not necessarily circular, but they are required to connect two state highways.\n\nOften, to avo... | null |
22n69a | In theory, would it be possible to find gravitational lenses at the correct angles to one another that would allow us to resolve the ancient Milky Way, and perhaps study an ancient Earth? | [
{
"answer": "Unfortunately, the answer is never. \n\nWe can approach this question in two ways: gravitational lensing, and object resolution.\n\nA distant black hole, or even the one at the center of the galaxy, may in fact have the perfectly perfect angle where the photons from millions of years ago (other g... | null |
1y0yuc | Who did Saudi Arabia sell its oil to during WWII? | [
{
"answer": "Great Britain got their oil from British Petroleum, which traces its origins back to the Anglo-Persian oil company that was founded before World War I. After WWI and the partition of the Ottoman Empire, BP expanded its operations into Kuwait and Iraq. So B... | null |
m4t0f | Would it be better if starving to eat or keep a limb? | [
{
"answer": "I'm not a professional or anything, but I think that eating the limb would provide you with nutrition. The factors to consider however are what are your means for stopping blood loss, shock, and infection? If you are poor and starving, I would hardly think you had access to a proper clean environme... | null |
3ebel0 | why is sepp blatter able to remain untouced in switzerland even though the fbi is actively pursuing him | [
{
"answer": "Extradition is a complicated process. Even with an extradition treaty in place you have to prove that you've got a very good case against the person you want handed over before a foreign government will help you get them. If there isn't enough evidence or your argument isn't considered good enough ... | null |
2ajhba | How does the body know when to use the esophagus or the trachea? | [
{
"answer": "It's a fairly simple process, the trachea and the esophagus share the same lumen up until just below the epiglottis. When you actually swallow something the reflexes start to occur immediately after you initiate the movement. The swallow reflex uses the tongue and certain other muscles in the mouth... | null |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.