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Why does a car shifter wobble in odd patterns whenever you move it to drive or reverse or something instead of just going in a straight line? | To stop you putting it into reverse by mistake. You really really don't want to do that, and the wiggles make it hard to do by mistake. |
Someone explain the difference in regular tremors, Parkinsons and Family Values Syndrome. | Yeah, "Family Values Syndrome" is not a real thing. The guy was either joking, misheard whatever he was diagnosed with, or is simply a nut. |
Why do we get pleasure from stretching? | _URL_0_ forgot to mention edit: Short explanation is you stretch, which increases circulation around your body and brings more blood back to the heart, as well as replenishing the oxygen in the lungs. If you yawn while you stretch this also brings more oxygen into your bloodstream, which feels good. It feels good becau... |
Why and how did Hawaii become a state rather than remaining a territory? | > How? The population that lived there voted to become a State. They then went to Congress with that request and the evidence of their vote, the status of their economy, and whatever other information Congress wanted. > Why? Being a State grants your citizens more protections and rights. It also allows your citizens to... |
if inflation reduces the value of money every year, how do 99¢ stores continue to operate? | They give you less and less for your 0.99 each year, or they discover new ways to squeeze their suppliers. There is a chain of shops in the UK called "Poundland" and "The 99p Store" . I can't remember which it is, but they sell multipacks of AA batteries for £1 . They have an arrangement with their supplier to vary the... |
What's the difference between a protective order and a gag order when a judge wants to protect publicity of a trial? | thoes are 2 very different terms. a protective order protects the victim of a crime from the perpetrator. the order of protection can be a stay away order meaning the defendant must stay away from the victim completely, or a refrain from order meaning the defendant cannot stalk harrass bully or otherwise cause harm to ... |
Why do blood sugars go up in the absence of food/calories? | Your body stores food for later in the form of glycogen and fat. If you don't eat for a long time, or exercise really intensely this will cause your body to break down the glycogen into glucose, which raises your blood sugar as the glucose flows around your body to be used by your cells. Once glycogen is depleted, your... |
Why are onomatopoeias different in different languages? | People make onomatopoeia using the phonemes that they know how to make. Different languages use different phonemes, so they mimic the same sound in different ways . |
How does a black light cause things to glow ? | It emits lots of Ultraviolet photons that are out of your normal visual perception . If you could see UV a "blacklight" would just look like a lamp. Each photon of UV light has more energy than regular visible light. The UV can interact with some molecules, excite the molecule, and then they absorb some of the energy a... |
What happens the calorie energy when food spoils/goes bad? | When food spoils, it's because microorganisms have moved in. Many bacteria and fungus create toxic byproducts, which is what makes us sick. The calorie energy is mostly still there, except for what has been consumed by those organisms. |
Why our hunger will eventually curb on its own (not indefinitely) if you just don't eat | Your stomach releases a chemical called Ghrelin which tells your brain to make your feel hungry. If you do not consume food for a few hours, your body will undergo a process called ketosis, in which you start to digest fat and muscle protein, which satiates your hunger. Also, after a while your body realizes you're not... |
How does being out in the cold increase your chance of catching a cold? If it doesn't, where does this misconception come from? | Not fully the answer, but when you're cold you tend to touch your hands to your face/mouth/nose more often, introducing more germs into your body. |
Why does paint stick to some surfaces and not others (silicon etc.) ? | Surface energy. A liquid will spread on a high energy surface and bead up on a low energy surface . Like a water drop becoming a sphere to minimize its air-water interface, a liquid drop on a surface will take on a shape with the lowest energy. This is measured quantitatively as the contact angles of the system. If you... |
Why is blue so frequently used for weight loss/healthier foods? | The earth is mostly blues, greens, and browns, so foods marketed as natural tend to use the same color scheme. They're not necessarily actually natural or healthy, but that's up to the consumer to figure out. |
Why do PCs and Macs have different names? | 'PC' in the sense of a non-Mac machine is a contraction of 'IBM-compatible PC', which is how non-Mac computers used to be referred to. |
Life forms based on carbon, et al | Every element has different types of bonds it likes to make. For carbon, there are typically four bonds, which means there are enough to make complex molecules. Also these bonds have a nice balance between stability and reactivity. Given these properties, it is not surprising that life forms are made of molecules with ... |
What does putting chalk on my pool stick actually do? And is it stupid not to use it? | Chalk lets the cue tip have more friction when it comes in contact with the cue ball. The currently highest rated post is sort of incorrect. The chalk doesn't help at all when striking the cue ball in its center. But, the chalk helps enormously when hitting a cue ball above center , below center or left or right . With... |
Why does Australia have such a good airline safety record (no commercial fatalities in jet era) despite having some of the world's busiest airways? | One major factor will be Australia's natural geography and climate. Most aircraft disasters occur on the ground, not in mid-air. There are many airports in Europe and other continents which are situated in mountainous terrain, or other areas prone to poor visibility, high winds and the like. Often those places didn't h... |
Why do the characters in the first Harry Potter movie refer to the stone as Sorcerer's, if it is a British story and still titled the Philosopher's Stone in England? | In British releases of the film, the actors say "Philosopher's Stone." They filmed the scenes where they say the name of the Stone twice, once for each audience. Apparently JK Rowling regrets allowing Scholastic to make that change for the American release, but she didn't think she had the power to fight it when they a... |
If beer is mostly water, how come I feel so dehydrated the next morning after drinking a few? | Alcohol is diuretic, and drinking it will cause a significant loss of water inside your bodyAlcohol causes dehydration disproportionate to the volume consumed. In other words, you pee out far more water than you take in alcohol+water.Beer is about 95% water and 5% alcohol, but the liver converts that 5% alcohol to wate... |
Why is Obama backing the TPP with republicans? | Basically, Obama's administration negotiated it so he thinks it's a good deal, or at least the best one they're gonna get. Republicans largely agree. Democrats are in favor of some limits, particularly to protect labor interests and the environment, that aren't present. More specifically, everyone agrees that the TPP s... |
why my cats want me to watch her eat? | it's possible that they might want you to watch their back while they eat so no other cat or animal tries to attack them. or steal their food. |
Why can't we recreate the force of a sneeze on command? | you can, take something small and pointy, scratch it on the inside of your nose a little bit, it forces a sneeze. just dont scratch yourself too forcefully |
What happens to bets in the event of a draw? | No A draw is still a result so everybody loses their money Unless you were ~~smart~~ lucky enough to bet on a draw, in which case you probably just won a fair chunk of coin. Edit: Some bookies will include a full or partial refund if there is a draw, but there's no law saying they have to. |
Would different liquids form different shapes when outside of their containers on the ISS? | Nope. A sphere is the shape which has the smallest ratio of surface area to volume, so the surface tension of any liquid will tend to pull it into a sphereNo. They form a sphere because a sphere has a particular mathematical property: it has the smallest possible surface area for its volume. Any other shape will have a... |
Why don't woodpeckers get severe brain damage? | Because the woodpeckers that got brain damage from those injuries all died long before they mated and reproduced. The current ones have stronger necks and stronger skulls, and stronger attachments for their eyes. _URL_0_ |
how come car batteries can be recharged but your average flashlight battery can not? | Some chemical reactions are reversible by applying current to the battery, others are not reversible. There are dozens of types of batteries, some use reversible chemistry , some don't.We do make rechargeable batteries in all of the standard formats . They aren't as popular as the "disposable" kind because they're more... |
What actually happens physiologically when a person "dies of old age"? | Death by old age is a legal determination, not a medical one. When someone dies, there is always a cause, heart failure, stroke, asphyxiation, etc. A cause of death of old age means an elderly person died peacefully, without suspicious circumstances, and it really isn't worth the effort to find out exactly what killed ... |
International rules of war - who enforces them and what happens if they're broken? | Historically, schoolyard rules. If you follow the Geneva Conventions, I will too. This is why the Germans were climbing over each other to surrender to the US and Britain at WWII's end - they had treated the Russians so viciously, they knew what would happen if the Russians got hold of them. Nowadays, I suppose the UN ... |
How does Pineapple have an effect on your 'taste' (sexually) | It supposedly increases the sugar content of semen and thereby 'sweetens' it. There are other foods purported to have similar effects, particularly chlorophyll rich foods", 'I always wondered about this too. Could someone list all the foods that make you sweeter? |
Why do cats eat plants even when it makes them throw up almost every time? | That´s why. They eat grass to throw up. When they clean themselves they get a lot of hair down their stomach. They need to get rid of thatBecause throwing up is the whole point. Cats eat their prey whole, including fur, bones etc. Some of it is indigestible and rather than having bones pass trough the intestines where ... |
How do we magically remember the lyrics to songs we haven't heard in forever? | It is stored into our long term memory. The tune of the song triggers that memory/path in the brain and it recalls it. It's like when someone asks you a question and you have no idea, but they prompt you with a small detail and suddenly you remember everything about it, like you just learned it. Something triggers that... |
How is it known how many bottles of a certain vintage of wine are left in existence and how is it valued? | I don't know if it's possible to know how many bottles of a certain wine are available--especially older wines, but valuation is based on factors such as wine age , prestige of the producer, wine scores , and of course the size of the production . Outside of the producer, sometimes wine can also be valued based on the ... |
How can animals be born and know how to walk straight away, whereas humans have to learn it? | Animal mobility has to do with maturity at birth. Humans are born so immature because we have big brains and walk upright, so we have to be small to squish through small pelvic bones. Animals who walk on all fours typically don't have this limitation.When humans evolved to stand upright, our hips became less wide. Our ... |
What is the difference between PDF documents and BMP/JPG/GIF/PNG documents? | PDF's can "understand" that text is different from images, and so they can compress the text much moreso than an image. BMP/JPG etc either do not compress at all, or they compress as an image, and don't recognize text. That is not entirely accurate, buts a LI5 explanation. Ninja edit, fixed quotes |
Why I have never ending acne on my face but every other part of my part has perfectly clean and clear skin | Your face has more oil glands than the rest of the body. Its the oil glands that causes pimples. It's also genetic. So people get pimples everywhere. Some just the forehead. I only get pimples near and around my jaw line.Be glad you only have it on your face. I have acne all over my back, chest, neck, and face.You may ... |
Is there any evidence to suggest miniature black holes can be created from particle accelerators? | There are theories which predict that collisions with the energy of those in the LHC could produce particles which are effectively microscopic black holes. However, such a microscopic black hole would not destroy the planet. As you say, nature routinely produces much higher energy collisions than the LHC does. We don't... |
Why hasn't Anonymous gone after Comcast? | In a related note: Would a DDOS attack on Comcast create a noticeable improvement on their normal service?', "Anonymous are 'part-time' anarchists. They only attack organizations to make a point, which it does. They don't actually harass individual people or collapse infrastructure. If they did the latter, I'm pretty s... |
The difference between supermassive black holes and normal black holes. | Mass and formation > 1. Stellar black hole. It forms when a massive star runs out of nuclear fuel and collapses under its own weght . > 2. Supermassive black hole. These holes hide in the cores of galaxies . They have mass of millions of Suns. They can form when smaller black holes merge together. Because of their loca... |
How is it that people can be convinced they are wrong or crazy for believing something happened, even when it actually did? | There's something called cognitive dissonance, which is a mental condition in which your brain is torn between two mutually exclusive ideas, thoughts, memories or concepts. It's an extremely uncomfortable state to be in, and the brain will jump through some pretty crazy hoops to resolve the situation. Most coping mecha... |
why can't hydraulic fracking just use regular water? | Of course some combination of less toxic chemicals could be used with enough R & D. The reason it isn't done today is there is no law or regulatory framework forcing the companies to do it, so instead they go with the cheapest, most efficient mix they can to make the most bucks they can. Fracking may have been around a... |
On my smartphone, why is cellular data (LTE) blocked when using SMS or calling? | This is a limitation from the Sprint network and the technology they use. An iPhone on AT & T or Verizon has simultaneous voice, data, and GPS. |
why is Scientology so popular with celebrities in Hollywood? | There are several things going on here. First off, you have to grasp the basic concept that your average actor is dumb as a bag of rocks. This isn't meant as an insult, it's not an actor's job to think, but to *feel.* Yes, there are occasional exceptions, but mostly, they are pretty dim individuals . Next, most actors ... |
Why are cars (and certain other purchases) of negotiable price? | Any price is negotiable in theory. Cars are negotiable because the dealership buys them from the manufacturer and then puts their own price on it. They are willing to negotiate because they know that not everyone sees the value in a car for $20, 000 sticker price. But they may see the value in a car with heated seats a... |
What is the difference between Yellow and Gold and Grey and Silver? Is there a shine to those colors? | Typically, Yellow and grey are "flat" colors, without a luster to it . Gold and silver do have a luster to them, they appear metallic. |
How do moles form on your body? | I don't want to give you false information but I believe it's to do with the skin's natural sun protection method. If we are in the sun our body increases the amount of melanin that is in our skin causing tanning. If I remember correctly our melanocytes can grow in clusters and form lumps of Brown masses on the skin we... |
why when repaving a freeway is the concrete under an overpass never paved over | The dump truck which feeds the paving machine often has its [bed extended high into the air], 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. |
How is it that an intermittent drip from a faucet can keep the entire pipe system from freezing ? | Leaving a faucet on a slow drip keeps pipes from bursting when they freeze, not to keep pipes from freezing. If you put a can of soda in the freezer, when the soda freezes, the can might burst because water expands when it freezes solid. If you open the can beforehand, there’s more room for the soda to expand out the o... |
Why do people see evil entities when they're having sleep paralysis? | I can comment on this from experience.Usually it's a nightmare that wakes me up, however, the part of my brain that keeps my body nice and still during sleep, and the part that projects dream images does not.So, my "fear" instinct is triggered, there is something to fear. I woke up because I have to flee, but my body c... |
How do calluses form? | Your skin typically has a layer of dead cells on its exterior, which gradually slough off, and are replaced by new cell creation from below. In areas that routinely experience friction, the mechanical activity can result in dead cells accumulating faster than they are sloughed off, resulting in a thickened tough layer ... |
The "Seven Seas" and what a "Sea" actually is | The term 'seven seas' _URL_0_ has referred to differing seas and oceans throughout the centuries and has a lot of cultural variation. Medieval Europeans and Arabs both wrote about the seven seas but they were referring to different groups of bodies of water for example. If you read 'seven seas' in a text you'll need to... |
Why can't you buy wine at a supermarket that's really cheap, and not aged, then age it yourself at home? | You can, and people do. If you buy shitty wine today, it will still be shitty wine in 10 years. It will probably even be worse. However some wines will age very well. Thèse are already good wines to start with and people know that they will get better based on their characteristics. I come from France, and I have a con... |
What would happen if you pulled your keys out of the ignition while driving? | 70s and 80s GM cars had a weak retention pin, I remember it was always funny to reach over and rip the keys out of your friend's ignition while they were driving to see their reaction. Stupid, but funny.Cars have interlocks on the ignition to prevent this. If the interlock is broken and you actually CAN yank the key ou... |
It seems the world really doesn't like Lamar Smith so how come he can't simply be voted out? | "America" can't, but Texans in his district certainly can. Once every two years they get the opportunity Mr. Smith is a congressman, and he represents one particular place. Only people from that place get to vote for or against him. Unfortunately Mr. Smith represents a wealthy area near Austin, Texas where I suspect we... |
How do MAC addresses work? | How do you mean? Manufacturers give MAC addresses out to hardware they make, and unless told otherwise somehow the hardware identifies itself as such for the purposes of moving data over physical wires or through wireless signals between two devices. It's how you know a machine is one machine and not another. Do you ha... |
Why/how do album leaks happen? | CD's and other product with the music on it have to be put in production weeks or months in advance in order to make it to stores before release day. At any point during this process all that needs to happen is for an employee to grab a single copy and upload it to the internet. |
Why don't the video players go to the exact time I click on? | In order to save bandwidth videos are encoded in a format which is not actually just a series of pictures. Instead one full frame of video is sent and then the following frames just say what changed since the full frame. This works very well when little is changing in the scene like someone talking in front of a mostly... |
Why does hot water clean beter than cold water? | Heat lowers the viscosity of grease and oils, thus allowing them to be easier picked up by soap and washed away. This is especially true with stuff like fats which will solidify at room temperature and stick to dishes. |
Spreads in NFL Games and how betting is done based on those spreads. | Let's say you really want to be on Football game. But there is only one Football game on TV and it's going to be a bad game for one of the team we'll call the team "The Morons". The Moron's quarter back just got arrested for driving on the wrong side of the road for 2 miles. This caused their receiver to get so depress... |
what is Eid, the Muslim holiday? | Eid al-Fitr marks the end of the Islamic holy month of Ramadan. During Ramadan, observant Muslims are required to abstain from food and drink during daylight hours, and the celebration of Eid al-Fitr marks the end of the month and is marked by both prayer and celebration to Allah.Eid is the Arabic word for feast. I thi... |
Why are most birds eggs laid already fertilized but some (chickens for example) not fertilized till after they're laid? | Chicken eggs are fertilized before they are laid. However, a hen will lay an egg whether or not it's fertilized. Thus, hens that are kept for their eggs are sequestered from roosters.It's unusual for a bird to lay an unfertilized egg. It's a waste of nutrients and natural selection says "no." But human breeders say "ye... |
What would the world be like without any form of currency? | "Once I was in Victoria, and I saw a very large house. They told me it was a bank and that the white men place their money there to be taken care of, and that by and by they got it back with interest. We are Indians and we have no such bank; but when we have plenty of money or blankets, we give them away to other chief... |
Is scoliosis genetic? Or is it something you can get from say sitting in a crooked chair every day while growing up? | Scoliosis is a genetic condition. Sitting in a chair that's crooked can give you back aches and spasms, but it cannot give you scoliosis. |
Could damages caused to your eye from phones be caused by books as well? | Yes. > Too little time outdoors Research has found that spending time playing outside as a child may reduce your chances of becoming short-sighted, and existing short-sightedness may progress less quickly.This may be related to light levels outdoors being much brighter than indoors. Both sport and relaxation outdoors a... |
Why is it, that cgi-heavy movies don`t take more data to be safed on DVD or on a hard drive? | Nothing about a video being CGI or photographic changes how much space it takes to store. Does a printed picture take more space if it is Photoshopped?', "Once you put it on film, it's all pixels. All of the physics and shading and everything else that goes into CGI and takes up huge amounts of data doesn't matter to t... |
How did Russia go from the atheist USSR to the religious country that it is today? | Perhaps the biggest reason is deliberate government action to push the country towards religion. Except for a few years during WW2, when Stalin embraced the Russian Orthodox Church, the USSR government was overtly anti-religion. Or at best, dealt with churches through benign neglect. Putin, on the other hand, has retur... |
How can teachers (legally) deny you the right to go to the bathroom (in the US) | Generally teachers do not refuse students a trip to the bathroom. You are really only made to ask to demonstrate that you can't exit the classroom without the teacher's permission. Its an authority lesson more than anything else. |
Why can 20 minutes constitute a "power nap" but we're told not to hit the snooze button? | Because if you're hitting the snooze button you 've generally been asleep for hours. A "power nap" is a quick, light sleep to re-energize you. |
How come when you're in a car and you drop a ball, that ball doesn't come back at you? | The ball has the same forward momentum as you. And since it is dropped inside the car it falls straight down. If you dropped it out of the window it also would still have the same forward momentum, but it now has the friction of the air slowing it down dramatically, so it doesn't land on the ground directly below the s... |
Why do we have to sanitize our drinking water when other animals don't have to? | Many streams are relatively safe to drink from. There are some diseases you could catch, so if you can, sanitation is best. Most animals live a shorter life than humans as well, so any diseases they get may not kill them before the would die of old age. For certain diseases we could get from water, long term exposure a... |
How come items cost so little to make, but the price is almost 1000 times the cost to make? | if you are going to make a claim that some company is marking up their item x1000 then you should give that example. It is likely that you are just missing something. That is an insanely high mark up. |
How does the facebook messenger virus where you just click on a link and instantly get the virus that sends the link to all your friends work? | It is most likely JavaScript, a method of giving instructions to your browser. JavaScript instructions are similar to what you would give with a keyboard and mouse. It can click on items within the page, type stuff, etc. So this "virus" likely has no effect outside your browser, can't spy on you or redirect you to a th... |
People who regularly use ELI5, why didn't you just google it? | Because Google can give you the right answer, but it can't give you fifteen shitty made-up answers from people who know nothing about the topic. ELI5: Why are people's eyes different colors? *"My cousin talked about this once. From what I remember it has to do with how much butter you ate when you were a baby. Other da... |
Why can we teach cats and dogs not to urinate or defecate in inappropriate places, but chimpanzees wear diapers? | It is a conjecture, but, probably because cats and dogs in the wild have a natural instinct to not soil their own "nest" for sanitary reason. So even not trained the natural tendency would be to do the business outside. Chimps live in trees mostly, so they don't have the evolutionary incentive to have a concept of "bat... |
Multimodal Optical Fibers vs Singlemodal Optical Fibers | Mode refers to the number of channels available for information of a given frequency to travel. So in SM fiber, there is only one channel and hence one data stream can be transmitted at a time . MM has multiple channels. MM is typically used in short-haul applications. It is cheaper to install and has a larger core dia... |
Contents of the Terms of Agreement and Privacy Policies that we just click "I Agree" | Don't misuse our crap. If you misuse our crap, we'll stop you from using it anymore. All information you give to us will be sold to multinational corporations. If you don't like it, you can't sue. |
Why do we get addcited to something? | When we do something that our body views as positive our body releases Dopamine and/or Serotonin as a result. Both of these hormones cause our body to A) feel good and B) Remember that it felt good. That is as it should be, and you could say we are "addicted" to eating, sleeping, having sex, etc. However, we can also t... |
What is the evolutionary advantage that would cause species to develop psychoactive properties? Or are those properties just incidental to other advantages? | A plant can protect itself by being poisonous to any creature that would eat too much of it. Psychoactive chemicals alter the operation of neurons. So most are dangerous poisons in larger doses, because they severely disrupt the behavior of the nervous system which animals need to live. This protects the plant from bei... |
Why does an accent come in randomly? | One theory is its a linguistic empathy response. Or in other words you talk like the people around you to garner empathy. It can also make you easier to understand to those you are talking to.Ex take the word aluminum. In America it's alu-min-um but in Briton it's more like alu-mini-yum. Say it wrong and you get funny ... |
Why do people want minimum wage raised to $15/hr, and some basics arguments for and against? | This is asked so frequently here, it's ridiculous. Take a look at [some of these many many many threads on this question]; I'm sure you'll find your answer. Remember, the search engine is your friend.Please search first. This is an extremely common topic in ELI5. Removed. |
Why does pouring soda into a glass create foam when sparkling water doesn't? | Soda is stickier than water. Foam is the fluid sticking to escaping gas. Water slips off bubbles really easily but the soda doesn’t.Yarr! Yer not alone in askin', and kind strangers have explained: 1. [ELI5:Why does carbonated water not foam when poured like beer and pop do? ] ^1. [ELI5: Why do some sodas produce a lot... |
Is there another type of wave besides the fluctuations in the electromagnetic field and the ones in the "physical one"? | In quantum mechanics, all matter acts as a wave. There's a wave that describes the position and momentum of anything. You also have waves that describe groups of particles, including their interactions. For instance, a photon can combine with the wiggling of the molecules in a piece of glass to create a new wave that's... |
Is there such a thing as anti-gravity? | It depends on what you are wiling to describe as anti-gravity. In some sense, yes, buoyancy is a force that opposes gravity so you could claim that it is anti-gravity. If you do that, though, you can also describe lift as anti-gravity, too. Heck, while you're at it you could describe a string holding up an object as be... |
Wound healing. What is it in our body that makes it heal cuts, burns, scrapes, etc. | In your blood are little things called platelets . When you get cut, your brain tells them to fix the hole, as otherwise you could get infected etc. The platelets stick together again and again until a clot is formed, which stops continuous bleeding from the wound, otherwise whenever you got cut, you'd bleed to death .... |
What exactly happens when organisms freeze to death? | If you want a more detailed answer you should go to /r/askscience. Basically, the processes that occur in our body are tuned to happen at a temperature around 98.6 °F. If you drop the temperature down too much, all those processes are now out of whack; some happen too slowly, some don't happen at all. Your body, quite ... |
How does class rank work? | 225/285=.79 or 79%. Your son's school puts the best student at #285, not #1. Different ranking philosophies. She's saying your son is better than 225 students instead of saying he's #60. |
Why people oweing child support often have their driving licenses suspended, which in turn reduces their ability to be able to pay for/see said child | Because in the U.S. often punishment is given without consideration to the possible consequences of the punishment or whether the consequences might make a situation worse.The idea is to have a punishment that is irksome enough to make someone avoid getting it. They don't just cancel your driver's license. They send yo... |
How do speakers work? Where does the sound come from? | When you set a cup down on a table, it causes the table to vibrate. That vibration moves the air around the table a little bit, which causes all the air in the room to move a little bit . Hearing is just that air vibration pushing on your ear drums a little bit. Speakers produce sound by moving forward and backwards, w... |
What are the tiny black spots that appear on the skin of apples? | Agricultural Crop Specialist in training here! The black dots you see on the apples are totally fine to eat and are just a common fungus that grows on the skin of apples. This is caused by prolonged exposure to wetness, mostly from the apples being in the supermarket and being sprayed with water by the workers. Its cal... |
What problems did the baby boomer generation cause? | Here's my limited scope : Imagine you survived on gummy bears and you'd simply disappear if you didn't get some everyday. You and your buddies can make gummy bears but only until you turn sixty-five years of age because, by then, you're too old to make them anymore. So you know you're going to live beyond 65, and you'r... |
what would happen if you had a baby and didn't cut the umbilical cord? How long could the baby survive? | Well the cord is attached to the placenta, which is the sac that the baby grew inside. The placenta will detach itself from the uterine wall shortly after birth and be expelled by contractions, thus expelling the the umbilical cord. Once detached and expelled the cord will no longer supply the baby with nutrients and s... |
ELI5:What happens if you never give your child a name? | If you don't put a name on the certificate then it will get listed as "Baby " If you later do name the child then you will have to go to court, and pay the fees, to have the name formally changed. Each state has their own laws about how long the parents have to formally name the child before the default is used. Some s... |
How did the Roman Republic become an empire? | There are ways to answer this: In legal terms, the republic turned into an empire when the senate and the people lost the ability to make major decisions. This is commonly assumed to have happened after Augustus defeated Marc Anthony. In reality, it was a process that took most of the 1st century BC. Try reading about ... |
How putting salt or any other solute in water helps water boil faster or makes ice cool faster. | ~~Adding salt to water increases the boiling point by 2 degrees Celsius, but decreases the heat capacity of water, allowing it to boil quicker. [Link]~~ EDIT: This comment is wrong. NinjaPimp has [the correct answer].Doesn't salted water boil at a higher temperature, not a lower one? |
How come when a video has been exported in, 4:3, for instance, the borders are more black than the black within it? | The borders are displaying a complete absence of color. The "other black" is encoded as part of the video, and is whatever shade the maker of the video made it as. |
How did Disney delay Mickey mouse from being in public domain? | Every time the copyright for Mickey Mouse is about to expire a bill goes into law stating that the length of time a copyright lasts is longer than the last one. First it was creators death, then +25 years, +50 years, ect. Honestly I wish it would end so we could listen to "I Have A Dream" and "Happy Birthday" By paying... |
How can my 10 cent feeder goldfish meant to live no longer than a few weeks survive 4 years? | Goldfish are very hardy survivors. They tell you that because typically goldfish are kept in small bowls without filtration and aeration. Of course you wouldn't live long if you had little air to breathe and slept in your own feces and urinr", 'The lifespan of a goldfish in captivity is 30 years. |
Why is adding milk to water so terrible, but adding milk to tea is so tasty and popular? | Milk and water just makes watered down milk. Milk and tea tastes better because tea is bitter and milk dilutes the bitterness. The milk also cools down the tea, allowing it to be drank sooner. Same reason people put milk in their coffee. |
I've used a VPN for years. All of a sudden I need Captcha's everywhere. Why? | Is there any chance your VPN provider has been having a problem with abusive users? If a certain VPN service is hosting a lot of spammers or other problematic users then a lot of blacklists will mark any IPs associated with that VPN provider as suspect. |
If my organs were stolen, and the police found the person who illegally bought my organs, would I get them back? | Here's how this would go: 1. The police would notify you that they had found your organs.2. The person with your organs would be brought to court.3. In the wait for the court date, you would die.4. The person with your organs would eventually be sentenced to prison time. |
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