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How is a surgery (like LASIK) able to correct poor vision? | The LASIK operation changes the shape of the cornea so that light coming from the environment is bent the correct amount to bring the light into focus on the retina . |
What is alcohol poisoning and how does it affect your body? | Alcohol is a depressant meaning it slows breathing, heart rate, and certain brain functions. When you drink an excessive amount, it slows those bodily functions to the point that your body has a very difficult time making you breathe and making your heart beat. That’s alcohol poisoning. If you keep drinking, it’ll get ... |
Why is mm of Mercury the Measurement of Blood Pressure | Mercury use to have a lot of uses, like thermometers and manometers , because it was such a dense fluid it could measure a lot more than water . So it goes back to a reference of function, much like 1 horsepower where engines were sold on the basis of how many horses it could replace. By now they're just kind of common... |
Why does meat usually taste better when it's cooked? | Cooking is a way of outsourcing digestion. The heat breaks down the proteins and carbohydrates so your body doesn't have to. Carmelization of those carbohydrates produces a more pleasing flavor. The proteins become denatured and natural enzymes that might spoil it get destroyed. |
why won't flies and other insects react on sudden movements on the TV or computer monitors? | I'm not sure about this, but I think flies and other insects move because of air moving around. As screens don't make air move, they ignore it.Kind of relevant: _URL_0_ |
Why has noone utilized and or domesticated the enormous numbers of wildebeest in Africa to help feed the hungry? | Because wildebeest aren't cows. In reality they are probably better compared to something like deer or moose. They are extremely skittish, stronger than they look, and surprisingly good at jumping. Not to mention they have no natural hierarchy. With other animals that humans domesticated, humans simply replaced the lea... |
If the human lifespan was elongated by modern medicine, then why hasn't pets' lifespan seen similar effects? | Well, to some degree, they have. Cats living to the age of 20 is more common than it was just a few decades ago. I had one that died just a few weeks shy of 20. But part of the reason that the average lifespan hasn't gone up as much is because we are more likely to give surgery to humans as opposed to animals. If a med... |
Popularity/stereotype of inmates in prison converting to Islam | I 've been locked up multiple times.. * You have to be a part of *something* whether it's a territorial group, racial group, or religious group. Some do this just to fit in somewhere, anywhere. "survival muslims" * Ignorance and boredom, aka the "fake ass muslims" they don't know any better and just want something to d... |
How is it that I can type perfectly, but I don't know the exact placement of the letters on my keyboard? | If you put yourself down in front of a blank keyboard and really think about it, you can probably get most of the keys right. |
How can old black and white photos be colorized if there is no color information? | The colorizer guesses. Sometimes the guesses are made with lots of knowledge - e.g. they know that someone from the past was a redhead, but ultimately they are making a selection on what colors to use. There is no method to extract actual color from the "data" in the underlying b & w photo. |
Would it be possible to play a game like Wheel of Fortune with Chinese characters? | Well, Chinese characters do have components called 'radicals' that they can be broken down into. So theoretically you could do a sort of WoF game based on those. However, there are far more radicals than English letters , so it would be a much more difficult game unless you changed the rules. Also, radicals don't alway... |
Why do rappers always use hand motions when rapping? | As a rapper, I can tell you - it's to keep the beat. Unlike with singing, with rap you need to keep your phrasing EXACTLY on the beat or you will just sound like you're babbling. Also, there are often a LOT of words to remember and you 've also go to remember which parts of the word or phrase are emphasised and which p... |
How do bubble's form and keep their shape? | Surface tension, it is the same reason liquids form spheres in microgravity. The molecules are attracted to other another, and taking that shape reduces the tension at the surface to the lowest possible point. |
Why is my breath hot when I huff but cold air when I blow? | The temperature of your breath doesn't change at all. The difference is in the speed of the airflow. Your body temperature is usually about 36-37°C. So when you blow hard this warm air is taking some of the room or outdoor-air with it and since this air is usually much colder than the 36-37°C you think that your blown ... |
Why does music sound so much better while high? | A recent Channel 4 study showed the MRI of brains listening to music high and no high. Much more activity in the music sensing area of the brain in high person I love music high, hearing different elements to a song you love when high, after months of listening to the songI'm no scientist, but for what it's worth: When... |
why do americans adopt from africa/china/russia and not locally? | I'm not an expert, just someone who is trying to adopt. Basically, it's easier in a lot of cases. America doesn't really have orphanages anymore. It's not like in the movies where a couple can stop by the orphanage, meet a few kids, and take one home that week. Most kids are in foster care, and the goal of foster care ... |
Why can't we get to absolute 0? | Basically, the laws of thermodynamics specifically, entropy. If you want to think of it simply, heat is vibration of molecules. Absolute zero is the point at which there is no vibration. The law of conservation of energy states that you need to give that energy to another particle to get rid of it but energy will only ... |
Why does your face get red when you have a coughing fit? | When coughing, your body is expelling oxygen from your lungs. You will notice a similar effect when holding your breath until you choke, by the way. The body closes arteries that lead to the rest of the body, and forces blood into the head to preserve the brain. The brain needs oxygen, so all oxygen-rich blood is moved... |
Why doesn't everyone capitalize the word "Internet?" There is only one Internet and the Chicago Manual of Style capitalizes it, so why would anyone spell it in lowercase? | Because it's inconvenient to hit the shift key any more than necessary. And by necessary, I mean that most people won't notice is it's casually omitted. |
why hasn't there been a revolt in North Korea? | You're looking at North Korea from the perspective of someone who has an internet connection, knowledge of what living in a free society looks like, and no fear that the Dear Leader is reading your mind and has divine powers. For many people who escape North Korea, deprogramming them to stop fearing retribution can be ... |
What is the meaning of Jean Paul's Quote? | A timid person worries before something bad actually happens.A coward is fearful of things when they are going on.A courageous person deals with the problem and doesnt think of "how bad it was" until it's over. Timid = "No way I'm doing that!"Coward = "This sucks I have to bail"Courageous = "That sucked, thank goodness... |
Why do hunters bother with camo when they always wear bright orange? | Deer are color-blind. They see shapes and movement more than bright colours, particularly when those shapes have a regular or plain pattern and are showing in relief against a background that doesn't look like them, which most non-camo jackets and pants have a tendency to appear like. Even if it's just on the arms and ... |
What are calories? What does the daily intake value mean? | **Calories** are units of energy. Energy is needed to run things, like the human body. Not all energy can be used to power the human body, but calories in food can. There are different things in food that cointain calories, to varying degrees. Fat has lots of energy per weight, sugars are easy to eat, protein especiall... |
Biologically, how is chimera made and how exactly is it different from organism? | > If 2 eggs are fertilized by 2 sperms , does that constitute as different genetics even though eggs and sperms come from same people? Yes and yes. think of it this way: when siblings are born separately, say a year apart, they have totally different genetics, right? they are not identical twins. So sometimes two diffe... |
Why do most planes have their nose cones painted black? Does this actually serve a purpose? | Inside the nose cone there is a radar. The nose cone is painted, but most paints have additives which would interfere with the radar waves. Black paint doesn't have those additives, so it it suitable for painting the nose cone. _URL_0_ |
Why don't the two back windows in cars roll all the way down? | Look at the geometry of the door and the rear wheel well. Most sedans don't have enough space in the rear door to put the whole window. |
Why do things like splinters come to the surface after a while? Shouldn't they stay in place given the size and shape? | Your body hates foreign particles. Your body hates foreign particles so much that it has developed multiple systems to deal with them. When you get a splinter your body triggers an immune response known as inflammation. By changing the tissue size under the splinter it can push it up and out of the skin |
Would it be possible to limit certain thoughts by limiting vocabulary? | Yes, when you can't express yourself, you can't defend yourself. But I believe the book is flawed in the sense that it expects, and probably basis itself, in the fact that people can't invent a word and give it a certain understood meaning. Which, even today with already established languages, isn't true e.g. slang. So... |
Why NASA decided to use rockets instead of a space shuttle for Orion | _URL_0_ The space shuttle was retired in 2011. Orion is the planned replacement for it.Basically, the shuttle never worked out as well as they thought it would. It ended up being much more expensive per launch than they predicted it would be and it also couldn't be launched as often as they predicted . Also, a shuttle ... |
How does belly button lint happen? This thought has crossed my mind since my childhood, so I call on Reddit to end my lifelong quest for the sacred knowledge. | Belly button lint is the combination of static electricity and the particles of those same clothes that are attracted to the static electricity. |
What exactly is going on with Medical Marijuana in Florida? | A citizen initiative recently qualified for the ballot in November, meaning that voters will directly decide on whether the law should pass, without having the state legislature or governor involved. If it gets 60% approval in the election, medical marijuana will be legal in the state. |
Why do we have such a hard time quitting smal unnecessary habbits, like biting nails or cracking our knuckels? | Because we are creatures of habit. What this means is our brain attempts to give as much work to our subconscious as possible so our conscious can focus on the unusual and new. What this means is when we continually repeat a behavior whether it is simple like biting nails or more complicated like driving home, our brai... |
How carbon dating works, and how we can get an accurate answer on how old an object is. | There are several different "flavors" of Carbon, called isotopes. Every carbon atom has exactly 6 protons in the nucleus, but they can have a different number of neutrons. Most carbon has 6 neutrons, but other numbers of neutrons are also possible. Carbon with 6 neutrons is stable indefinitely--you can leave Carbon 12 ... |
How come Adblock can't block the popup that pops up to inform you that you have Adblock enabled? | AdBlock detects ads because they're coming from a different server than the website you're viewing . But the popup that asks you not to use AdBlock *is* coming from the same server as the content. |
When a tomahawk or similar projectile is thrown, how do they make sure the sharp end hits the target instead of the handle? | You don't just fling it randomly and let it spin like crazy, you figure out how far away the thing you are throwing at and let it do one rotation in the time it takes to get to your target You plan the flip by how far something is.It takes a lot of practice, but it is possible to get them to stick a majority of the tim... |
What determines the neutron cross section of an atom? Why does Zirconium have such a small one? | > As I understand it, the neutron cross section of an element is the approximate surface area with which a stray neutron can collide. Yes, although it's very dangerous to take the analogy with a geometric cross-sectional area too far. For example if you look at thermal neutron-induced fission cross sections on fissile ... |
this paragraph from a book on banking by Milton Friedman | Essentially, what he's explaining is a counter to the idea that the Federal Reserve bailing out the banks and loaning the Federal Government money by "printing money" would have caused extreme inflation, brought about by an increase in the amount of money flowing around the economy. If the Fed just created new money an... |
What would take for congress and/or House to have limited terms? or Make it like the presidency, two terms and you are out. | They should be elected for a single 10 year term, so that they don't have to worry about just doing "shit" to get re-elected, and can have a long enough term to actually maybe possibly accomplish some good but thats me.Making an amendment to the constitution like they did with the presidency. There's been some proposal... |
Why are we so quick to forget Japan's war crimes in WWII? | Yea it’s kind of weird. They make documentaries about all the human testing that the Japanese did. Maybe it because they gave all their research information to the allies and plus we nuked them so it kind of evens outJapan quite formally renounced war after having two nuclear bombs dropped on their homeland. Because of... |
What's the difference between a university (e.g. The University of Michigan) and a state university (e.g. Michigan State University) | The word university is broader and more encompassing. A "public" or "state" university is one which receives support and funds from the respective state in which it resides. Both The University of Michigan and Michigan State University are state universities, the former just doesn't have the title "state" in it. On the... |
How can Justice continue to advertise 40% off sale prices when they just settled a class action lawsuit regarding false advertising of these constant sale prices? | Skimming the settlement, a few things jumped out at me: First, the settlement isn't final yet, so Justice may not feel the need to change anything just yet. Second, the settlement doesn't say Justice has to do anything to change its advertising behavior in the future, it just settles past claims. Theoretically, they co... |
Why do different games have different supported operating systems? | Hard to explain a technical answer like you're 5 but I'll be as simple as I can. It's not the version of Windows so much as their respective versions of DirectX. On a newer version, old games work but lack optimization and may use features that are no longer supported and thus you may crash more often. On older version... |
Why do fluorescent tube lights make a buzzing noise? | The electronic ballast controlling the bulb is making the noiseA ballast is used to power fluorescent bulbs, this is where the noise comes from. It can be caused by a bad ballast or just from the frequency that the ballast runs. Sometimes the bulbs having a bad connection can also be the culprit. To eliminate the noise... |
Does my pet understand the concept of names, or is her name a command for "come here." | Depends on how you train them. If you want them to come every time you speak their name, and reward them for that, then they will interpret the name as the command to come. But dogs can grasp naming. For example, you can teach a dog to retrieve specific toys by name. And you can teach them that their name means "pay at... |
How do backup power supplies (UPS) switch to battery mode when the electricity is cut so fast that my computer does not shutdown from the power loss? | There are a couple of ways. You could have a switchover to battery power which takes 10 milliseconds or so and cover the gap with capacitors. Or you could have incoming AC converted to a DC line on which the battery resides, then back to AC for output. In that case the battery is *always* on the line and there isn't an... |
Why is it when I look at lights they have spikes or auras emitting from them? | Most eyes are pretty round. They focus light onto one point in the back of the eye. With an astigmatism, your eyes are more football shaped. Light focuses onto more than one point in the back of your eye. This makes bright lights seem spiky. Almost 1/3 people have an astigmatism, and they are pretty easily treated with... |
Why are barely-legible signatures so common? Why aren't legible signatures more common? | It usually takes longer to spell out a signature than to just scratch it down. There are also many people out there who don't know how to write cursive and therefore don't know how to sign their name. Theoretically it would also be more difficult to forge. |
Why is racism against white people culturally not as bad as racism against black people or other groups? | stay strong, and one day a white person may actually become a member of Congress or even President of the USMany would argue that Racisim can only be perpetrated by those in power. In the US "those in power" are WASPS . Also, I wouldn't say that the ad was racist.Racism comes from a position of power. The majority does... |
Why do high voltage power supplies have high internal resistance? | Can you give an example of one? Are you talking about a computer PS? Caveat: Electrical Engineering Technologist so can answer but need more details.Let's say you need to deliver 100 kW of power over a long distance. The resistance over a mile may be something like 0.01 ohms. Because of V = IR and W = IV with V being v... |
What purpose does a magnet serve in a speaker or headphone? | A magnet creates the force and holds a loudspeaker in a certain position. Vary that force by bringing electricity from the amplifier through a coil of wire stuck to the loudspeaker, and it makes the coil of the loudspeaker move in and out. That pushes the air around and turns the movements into sound that we can hearIt... |
Why do very large things appear to move slowly? | My guess would be that it has to do with perception. You look at massive ships from a distance, with a whole ocean to compare it's travelled distance with. If you would be on a rowing boat 10 ft from that same ship, it would race right by you. Same thing with planes in the sky for instance. They appear to move slowly, ... |
The seven seals in Christianity | Wikipedia has a great breakdown of the seals, their currently interpreted meanings based on different religious views, and numerous sources to expand on. As /u/thistlemitten said, it truly can be considered a mystery because there are many different theories depending on religious beliefs. _URL_2_ Accompanying the seve... |
Why is Mad Max: Fury Road liked so much? | It was 2 hours of explosions. It had very well choreographed fights and special effects. The plot, while pretty barebones, didn't fall into the usual pit of trying too hard and becoming stupid. The characters were interesting enough that you could actually care about a few of them, and the ones you don't care about wer... |
Why would you put a severed toe/finger on ice to preserve until reattached when they would amputate it if frostbitten? | First off, only incredibly severe frostbite requires amputation, mild frostbite will heal on its own or at worst leave minor scarring. Now, frostbite occurs when blood flow is restricted to your cells for an extended period of time, causing them to die. Since the finger or toe in question is already severed, that's not... |
Should you SAVE money or use it to INVEST? | There are two concepts we need to define first - liquidity and risk. Liquidity is how easy it is to turn your money into cash. Cash in a coffee can is super liquid - you can grab it right now. Cash in a savings account is also pretty liquid - you can get it out of the bank with relatively short notice. Cash in highly t... |
After a Bone Marrow Transplant, is the blood in the recipient's body still their own? Or is it that of the donors? | There's actually a couple different kinds of bone marrow transplant. In the myeloablative transplant, high dose chemo and radiation are used to kill cancer cells. This also wipes out any healthy bone marrow, and allows new stem cells to grow in the bone marrow . When healthy bone marrow is transplanted, it will produce... |
Why does the quality of audio files suffer the louder you make it? | Each point in the audio signal is a number, let's say from 1 to 100.. so it eventually starts clipping, since you can't get over 100, all point that would need to go over that at that increase will stay at 100, so instead of what you originally had, you start getting something that looks more and more like a square wav... |
Why is a super blue blood moon so rare and why are the time between them so different. | Its a combination of obscure factors that need to sync up. A super moon is when the moon is full or close to and at its closest point. There are 3-4 full moons per year that would qualify for this A blue moon is the second full moon within a calendar month, since the moon's cycle is 29.5 days its pretty unlikely to get... |
why does our mouth get watery when we see delicious food? | Because we think we'll get to eat it soon and the mouth is creating extra saliva to break down the food more easily |
Why baseball players run counterclockwise around the diamond. | Probably because most players swing right, and it's easier to start running with momentum than to stop, spin around and start running the other direction that they swing. |
What does it mean when the federal reserve adjusts interest rates and how does that affect the economy? | Large institutional banks often deposit money with the federal reserve and borrow money from the federal reserve. The Fed is essentially the bank for all the banks. When it raises interest rates, it increases the costs it costs for banks to borrow money from the federal government. So instead of borrowing $1 billion wi... |
Why do people feel comfortable with themselves in the mirror, but hate themselves in flipped pictures? | Short answer: Because mirrors show a mirrored version of your face that you are used to/comfortable seeing. Photographs show a "correct" version of your face where it is not mirrored and it looks off to the person who perceives sees their face in a mirror on a regular basis _URL_0_It's similar in a way to how people ha... |
Why can some companies use phrases such as "World's Greatest ____" or "America's Favorite ____" when they haven't been compared to everything they're trying to be better than? | There was a court ruling on this somewhere, basically this operates under the idea that it's so blatantly false that no one would believe it. _URL_0_ |
Please ELI5: Splenda; how does it work? | In your body, there are enzymes, which are basically proteins that serve EXTREMELY specific purposes ranging from assisting in DNA replication to, well, differentiating taste. Somewhere on your tongue or in your saliva there exist cells with certain enzymes that physically have a shape that matches that of Splenda, lit... |
Why do we think we sound good singing in the shower? | Your voice bounces off all the smooth tiles around in the shower adding subtle echoes. These echoes make your voice sound richer. |
How can the Dallas cowboys be more valuable than Real Madrid or Barcelona ? | There's a single NFL that every American football fan watches. That fan-base is split across just 32 teams. Soccer has regional leagues all over the world & people tend to focus on their local/national teams. FIFA has over 200 leagues and The Spanish Premier League alone has 20 teams. |
What is depression and how does it work? | I think this link does explain it quite well: _URL_0_ Do look around though, i know the question has come around before |
How does the "trolley will automatically stop after this red line" mechanism work? | There's a buried wire under the red line, with a radio signal running through it. The trolley has a clamp around a wheel, with a receiver on it. If it "hears" the signal, it clamps the wheel. It's the same principle as the "invisible fence" that people use to keep their dogs in the yard. |
When E=mc2 is concerned, why does speed of light matter? | When you accelerate an object to relativistic speeds, the perceived inertia of the object increases. By perceived, I mean that from a non-accelerating reference frame, the inertia of the accelerated object seems to go up. An increase in inertia also means an increase in mass, since mass is what causes inertia. So now w... |
What do the big accounting firms (KPMG, E & Y, PwC, Deloitte) do that companies can't do on their own? | A big one is that investors & regulators like to see work done by impartial, third parties. They might think *your* accounting department is lying but an independent firm will dig out the truth. |
How do 0 cal/0 sugar drinks still taste sweet? | While it might say "zero calories" or "zero sugar", all that really means is that the molecules inside cannot be used by your body for energy. Doesn't mean things can't be sweet to your taste buds. |
why don't people Google most of their questions on here? | Many times on more complicated subject their may not me a ELI5 answer easy to find on google. Also, thanks, to the search bubble google creates, they are more likely to get non biased answered here. Lastly some people understand best by having it explained as a personal anecdote or just in a more personal way. And it i... |
How is TV viewership calculated? | A company called Nielsen asks some people to volunteer to have their viewing tracked. They hook a box up to their TVs and measure what they watch and when. They use math to estimate how many people nationwide watch something based on how many of the volunteers watch it. It's very accurate. They're used for seeing how p... |
Why do youtubers promote YouTube red (which blocks ads) when youtubers make money through ads? | YouTube Red pays them directly from a portion of the subscription payments. The creator's are still making money. |
What happens if you can't pay for your food at a restaurant? | Here's a man who was known for running up large bills at restaurants and then not paying. He used to do it a lot: _URL_0_", 'Depends. Lets say you left your credit card at home , you can usually leave collateral with the restaurant to ensure you will come back, go home and get the money and return.Happens occasionally ... |
How can people with metal braces, screws, plates in their body go into MRI machines? | Source: was an MRI-operator and researcher for years. A lot of metals, such as iron, are "ferromagnetic". This means they can 1) form permanent magnets, and 2) are drawn towards magnets. Most body implants are however made out of metals that are *paramagnetic* such as titatium. This means that while they are not drawn ... |
ELI25: What happens to our imagination from when we are 5? | Just woke up so forgive me if this explanation is lacking. Pretty much, most people stop using their imaginations like that. We get older and more of life starts filling the void. We learn these rules of the world and as we do our minds become less elastic. But that all depends on the type of person. Think about how di... |
Genetically speaking, how can a beard have brown, blonde, and red hairs? | I have dark brown hair but a red beard, after a haircut yesterday I actually looked this up out of curiosity. I'm no professional but from what I gathered this can happen because there is no single gene that determines our hair color or whether we have straight or curly hair. There are a number of genes that affect our... |
how a product can have a money back satisfaction guarantee. | Yes, but the way you get your money back is such a hastle that it's not worth doing. Most people are not willing to go through the steps to recover the $2 they spent on a yogurt; I know I wouldn't. |
When looking through a scope or binoculars, why does it "see through" objects that are in front of it? Such as an iron sight or finger. | It has to do with how optics bring in light. The lenses bend light different amounts based on the angle that the light hits the glass. Lenses are specifically designed so that, at a certain distance, any light from a particular point will end up in the same place, even if it contacts different parts of the front of the... |
Why are the Northern Lights becoming more visible from lower latitudes? | I think it has to do with the recent massive solar flare, I have nothing to back this theory up with though so I'm kind of useless. |
What causes addiction (drugs, gambling, computer etc)? | It's to do with some sort of chemical which is released, some people tend to get addicted more easily than others which is to do with that chemical being more abundant . |
Why does the definition of "cool" change? Why do fads exist? | It changes because the "cool" thing is no longer a novel concept. People often want to have the newest technology/fashion/etc, and so when seemingly *everyone* has the same thing, it stops being cool. Trends come back for the same reason - for example, neon was pretty popular in the 90s, then everyone wore it, so it we... |
When you get a cold, and your nose gets "stuffy" why is it that often times only one nostril will be blocked up? | Only one of your nostrils are active at a time ). The non-active one is the one that gets blocked up. |
Why do fruits such as apples & avocados brown once broken into? | Oxidation. The inside if the fruit reacts quickly with oxygen. When the skin is in place, the oxygen can't get at the meat of the fruit, and when the skin is broken, it can. Coating the flesh of the fruit in an acid binds the oxygen receptors with the acid, preventing oxidation from taking place. |
How is dish soap different to body soap? | Yeah you can, more or less. But their chemical make-ups are different and dish soap is designed to remove oils and greases and so can really dry out your skin or scalp. There's a lot of different chemical formulations for the various soaps, shampoos, body washes, bubble baths, laundry detergents and dishwashing liquids... |
Why do animals kill those of their own species if their one goal is to breed and prevent the species from extinction? | Competition is a big thing in the wild, for food, space and for mates. I don't really think animals kill just to kill so it's not like one would 'murder' a group just because. |
Why do people clap their hands to show praise or approval? | Well they believe the action is worth a high five but the person is probably on a stage so they just high five themselves', "Tradition, mostly. Noisemaking in general tends to be a sign of an audience's opinion, and clapping is just one form of noisemaking.I wonder if anybody will provide a non-speculative answer with ... |
How can our perceptions of time slow down or speed up depending on a particular situation? | When you're mind is busy with things that you enjoy your mind tends to pay less attention to the time passed. I'd have to guess it has to do with the release of the good vibes in your head during those periods of perceived fun. |
Why is it that when you get older, your feet soles get hard, dry and start to crackle? | Older people are also more susceptible to dehydration, and thus dry skin. It's sort of a positive feedback cycle. Poor ability of skin to retain moisture leads to dry skin, which leads to dehydration because dry, cracked skin no longer provides a good barrier against water loss. With dehydration, your body cannot keep ... |
why/how is Richard shortened to Dick? | "In the 12th and 13th centuries everything was written by hand and. Richard\xa0nicknames like Rich and Rick were common just to save time. Rhyming nicknames were also common, and eventually Rick gave way to\xa0Dick\xa0and Hick, while Rich became Hitch.\xa0Dick, of course, is the only rhyming nickname that stuck over ti... |
What is currency manipulation and how does it affect world economies? | It is when a country artificially influences the exchange rate of their currency against other currencies. They do it by making the market . Exchange rates influence the costs of imports and exports from a country. So by manipulating the currency a country and, for example keep the price of exports low to draw a lot of... |
What is wifi? What is the actual physical make up of the signal? | WiFi is often taken to stand for Wireless Fidelity, although there is no one official designation. Your router has an aerial just like an FM radio, that sends and receives radio signals patterned with information. Your laptop, phone etc can pick up this signal and reply in the same way, creating a two-way connection th... |
What happened to Myanmar(Burma) throughout the 20th Century after British rule? How did it go from an emerging nation to one of the most isolated countries in Asia? | Essentially the military seized power, formed a junta and viciously suppressed democracy, leading to diplomatic isolation and trade embargoes. They have also engaged in long-running and extremely violent repression of minorities, most notably the Karen, Kachin and Shan peoples although there are many others amongst the... |
What do the M and M+ and M- buttons do on standard 4 function calculators? | M+ will add the currently displayed number to a running total that is stored in memory. M- will subtract from the running total instead. M will retrieve the current running total. Press 50, M+, 25, M+, 1, M-. The running total should be 74, press M to display itm = memory. m+ = add in said memory, m- = subtract. |
What happens to tips left for non-tipped employees? | So you work for Domino's, you notice this and decided to ask a bunch of strangers on the internet, instead of asking your boss?", 'Nah, it should go to the kitchen. Used to deliver, the store guys loved it because they never got tips like drivers did.If the company does a tip share then it'll get split out to everyone ... |
why it hurts to look at the sky on a cloudy day | * ELI5 version: the sky is still very bright even when you're not looking at the sun, so it can still hurt your eyes. * Super technical version: [Here is an AskScience question that has a very detailed answer]. |
Why are some people naturally better at fighting than others? | Has the guy you know ever done sports or dance seriously? Often the motions that you train in those domains can carry over into martial arts domain; for instance, the balance and ability to turn that one learns in ballet become very useful when learning how to kick. Additionally, there's a skill to rigorously learning ... |
How does the US Military regularly spend many Trillions of dollars when their federal budget is only hundreds of billions? | For the fighter jets, the $1.5 trillion figure is over a lifespan of 50 years. This comes out to only $30 billion a year. For your second link, it says the following > The report states: “The Iraq and Afghanistan conflicts, taken together, will be the most expensive wars in US history—totaling somewhere between $4 tril... |
What is going on when people see colours differently? | In this case, it's because of the lighting of the photo. There's a lot of subconscious processing that goes on between when light hits your eye to when you actually perceive an image. One of the things that happens is considering the lighting of what you see. If you shine a colored light on something, it will take on t... |
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