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Why do we have to buy domain names from companies instead of just claiming it ourselves for free? | Back in the day, before everyone and his uncle wanted a domain name, before the world wide web, before google, you *could* just ask for a domain name and get it for free. Who did you ask? The National Science Foundation, of all things. When domains started getting more popular, the National Science Foundation got tired... |
What is the Standard Model? Why does it matter? | The Standard Model is our current best theory of particle physics. It contains all the particles and all the forces necessary to explain everyday life. There are six quarks and six leptons that make up pretty much everything we usually refer to as "matter." Then there are the four fundamental forces that govern every s... |
Why is rainwater not salty? | As you almost said in your question, the act of evaporation involves the water molecules getting enough energy so that the water can take its gasous form. The key part here is "water molecules". When water evaporates, nothing else gets "picked up" with it. Each molecule is always by definition pure H2O. Once up in the ... |
What is the difference between investors and shareholders? | In a publicly traded company, anyone can buy shares. They are thus investing in the company. Their say in how the company is actually run is limited. Usually virtually the only say they have is in the election of the Board of Directors. Investors in a privately held company sometimes invest in return for shares, but th... |
How much progression do we have into time travel possibilities? | All the advancements in modern physics have progressed us away from the possibility of time travel. Since Einstein's work on relativity, we've found more and more evidence indicating that nothing can go faster than the speed of light, and this severely limits theoretical avenues for the discovery of time travel. Of cou... |
Everyone says that if Pakistan and India go to war, there will be global consequences. What are they? | Both have nuclear weapons and would probably use them if faced with an existential threat such as actually losing a conventional war to their deadly enemy. The rest of the world has an interest in avoiding a nuclear war, wouldn't you say?", 'China would go to war with India if the state of Pakistan was threatened by ex... |
How come I can get really tired reading a book or watching tv, but when I try to go to sleep immediately after I toss and turn for hours before finally falling asleep? | If you're like me, it's because your mind races. Reading or watching TV means something is effectively doing a lot of the "thinking" for you. You can start to doze and still have the thoughts be fed to you. When thinking in bed, some thoughts lead to more and it just spirals out of control. Funny thing is, when you're ... |
Why is saffron so expensive? | Saffron comes from the stigmas of a flower called the purple crocus. There's only a few stigmas in each flower. So it takes a lot of flowers and a lot of hard labor to harvest and prepare even a small amount of saffron. I think it's cheaper if you buy saffron threads instead of in ground powder form, though. |
when skydiving, is the gravity of the earth's core pulling me down or the air molecules I am in contact with? | Everything attracts everything. However, the heavier the object, the more force it will exert on you. Imagine all the weight of the air above you when jumping ; that weight is negligible compared to the weight of the earth + the air beneath you . Side note: the distance is also very important. If you double the distanc... |
How do internet companies that offer large amounts of data storage turn a profit? | Ever since GMail, companies have found that this model can work. The thing is that huge capacities are a powerful selling point but most people don't use much of that capacity. I have had my gmail account since 2006, sending and getting mail actively all that time, and use 370 MB now. Note that these services usually g... |
The Planned Parenthood Fetal Organ Donation Program | Yes, the fetal tissue is harvested after abortion only with the mother's consent. If the mother does not consent, the tissue is destroyed in the same way all medical waste is destroyed. The tissue can come from any sort of abortion, whether that is a fetus that is not viable, one that threatens the life of the mother o... |
Why are there 'LATEST Snowden leaks'? | From the sources I've seen it's being released in chunks to keep it on people's minds and in the media longer. |
If you have a pile of mulch/woodchips/etc and leave it long enough it can start to smoke. How? | A large enough pile will be generating heat all through it, and the stuff in the middle has nowhere for the heat to go, so it builds up. Eventually, you'll hit the smoke point for something in the pile and voila! Smoke! |
How scientists determine the composition of each planet/ Star? | Different elements have different light emissions, so by analyzing the light coming from a star or reflecting off a planet, you can tell what it is mostly composed of. Edit: the light spectrum analysis looks like this: _URL_0_ |
What's going on in Scotland and the U.K. with regards to potential Scottish Independence? | On the 18th of September 2014, people living in Scotland, and who are registered to vote, will be given the opportunity to answer a very simple question: "Should Scotland be an independent country?" 50% +1 of those who have voted must have voted Yes for it to pass. On September 19th, the result will be announced. If it... |
Why haven't foreign Armies gone to stop the ISIS? | I can't answer for either different countries or the United States government, since I'm not apart of either; but from the American people there is a huge sense of "war-weariness". The people are tired of fighting long, bloody, expensive, and often unnecessary wars on the other side of the globe. There is already a hug... |
How can wood be "Fire-Hardened" without burning to ash? | Fire-hardening involves removing moisture from the wood, then burning off an outer layer. The fibers are burned away from this section but much of the lignin, which is a complex repeating molecule is left behind. These tightly interlock to form a smooth, waterproof surface that can be deep enough to protect the wood ev... |
How do colors work in space? Are the photos we see the true colors of planets, nebulae, etc. or is everything actually gray scale to the human eye? | A little of both. Things in space really do have colors - Mars is red, Saturn is yellow-y, etc. Mostly depending on their dominant chemical makeup. However, many images from space telescopes and such are well, not fake, but deliberately colored towards some effect. This can range from something relatively minor, like e... |
How does the Wayback Machine work? Do deactivated accounts and deleted posts still get stored even if you don't archive them in the _URL_0_ website? | They have maaaaaaassive servers in the petabyte range. edit: [9 PB + 20 TB/mo] i was wrong They regularly crawl through the web and store each of the results given. Given most pages are less than 1 MB and most are less than 300-500 kB, they can store many snapshots of a lot of pages almost indefinitely. They rarely del... |
How do builders/electricians lay overhead wires from distant buildings. | They don't. 500m is rather long to not use a pole. They don't use common wire either, they use wire rated for aerial exposure, plus contains a steel wire to take the weight of the cable without having to stress the conductors. Now, with that, they install an insulator to the structure, so as tension of the wire does no... |
Why is battery still required for the car's engine to keep running? | During the operation, the battery just serves as energy storage in case electrical demands exceed the output of the alternator at any given time, which is rare. But in most cars, the alternator is connected to the belt. If the belt snaps, no electricity is being generated, and all electrical demands will be sourced fro... |
If Spider-Man is a mutant, why isn't he considered part of the X-Men? Does Magneto consider him on the mutant side? | Spider-Man is not a mutant. He falls into the "Altered Human" category of Marvel Supers, along with other characters of similar age, like the Hulk, the members of the Fantastic Four, and the Silver Surfer.The 'X-Men' does not include ALL mutants. The X-Men is just a group of mutants, under the guidance of Professor X, ... |
How knowing mathematics is important for learning how to code a computer | As a web developer, I wouldn't say I use much mathematics, what I do use is logic. Maybe math is heavily suggested because it forces you to think logically? On a side note, I know certain programming like motion and such does deal with math. |
If the average human body temperature is 98.6 degrees Fahrenheit, why does 98 degree weather feel so hot & have the potential to cause a heat stroke? | because our bodies generate heat and need cooling. at 98 degrees it wouldn't be able to cool very well. |
Why is burnt food a carcinogen? | First, you have to understand what cancer is. Cancer is when some of the cells in your body start growing and making new cells much faster than they're supposed to. The part of the cell that tells it how to grow is called the DNA, and it looks like a long, curled up chain. The shape of the chain is like writing that te... |
Why does my cat want to cuddle then suddenly attack me viciously? | He doesn't want to cuddle, he wants warmth, just let him do his thing, then, pat his head, don't over stimulate him. You'll want to know your cat well, after the Facebook thing |
how does bone marrow actually manufacture blood? | Pharmacist - Bone marrow contain a special type of stem cell. These divide and multiply. Under the influence of various hormones, some of them mature into the various cellular components of blood. While there are many types of such cells they are generally referred to as white or red blood cells. One of the treatments ... |
How did English surpass French as the "lingua franca" of the world? | The UK's international influence from trade and colonization had eclipsed that of France by the mid 19th Century. At about the same time, US influence was on the rise, especially in the New World and the Asian Pacific. Then in the early 20th Century, multimedia took off with the US in the center of it. Music and movies... |
how the Hawking Radiation was proved to be true and why it is so widely accepted, and how it actually works. | If something is inside the event horizon of a black hole then it can never escape. If something is just outside the event horizon then it can either move towards the blackhole and cross the event horizon, or it can be moving fast enough and escape. Quantum mechanics allows for the spontaneous creation of pairs of parti... |
In America, how do multimillionaires and billionaires store their money if they are only insured up to $250,000 according to the FDIC? | Investments. And their cash assets are just spread over several banks or just over the insured limit. Most people with net worth over $5 million have most of their wealth in growth or income-generating investments like stocks, companies or real estate. |
how do shopping cart anti-theft wheel locks work? | There is a braking device inside the wheels which contains a radio receiver. Around the boundary of the store grounds is a transmitter loop, much like an invisible dog fence, putting out a signal. When the cart crosses the invisible fence, it receives the signal from the transmitter and triggers the brakes inside the w... |
How do doctors, nurses, etc. tend to sick people constantly without getting sick all the time themselves? | Hello! This is a great question, and something healthcare staff should always keep in mind when working around patients. Depending on what the patient's diagnosis is, different precautions are taken. Staff wear disposable **personal protective equipment ** based on protocol. & nbsp; A **standard or universal precaution... |
why doesn't rain always have the rain smell | You're smelling chemicals and oils produced in dry soils being released into the air. These chemicals and oils are produced by certain bacteria and plants. So if you don't have dry soil or those certain plants/bacteria in abundance, you won't get the smell or it might not be strong enough to notice. |
Why are so many people on /r/politics and /r/worldnews rooting for Chris Dorner? | Because Reddit generally hates cops and the united states. It is the cool thing to do.The LAPD has are really bad history when it comes to civil rights abuses. Them being out to get a black cop isn't all that far fetched. But in general, people tend to root for what makes the best story. Crazy guy snaps and takes some ... |
What exactly is meant when a company posts a quarterly loss or gain? | It means that Amazon actually did not make a profit this quarter. To ELI5, publicly-traded companies add up their income and expenses, and the bottom line is a profit or loss statement for the month, quarter, or year. |
What is the difference between a "good" quality watch and a "poor" quality watch? | It's all style. High-end watches are [Veblen goods]: They're in demand *because* they're so expensive. A fancy mechanical Rolex will keep much less accurate time than any $10 Timex with a quartz crystal. |
What's the logic behind the majority of dishes being round? | This is likely due to durability and history of being made on a potters wheel. To the first point, corners and points are the easiest pieces of a piece to snap off. Being round eleminates corners and makes all edges equally strong. To the second point, a very common method of production of ceramic dishes is on a potter... |
What can one do to help the environment? | Don't have children. Reducing the number of humans is a sure fire way to reduce humans impact on the planet. |
What molecular attribute governs bouncy-ness | Elasticity and electromagnetism. Basically, when the ball hits the floor, it deforms elastically. Atoms and molecules are pushed together, against their own repulsive forces. This stores energy. Once there is no more energy to store , the molecules use that stored energy to return the ball to its original form, which p... |
United States "territories and possessions" | A territory is a part of the United States that is not a state or the District of Columbia. People living there are US citizens, but typically do not have all the rights of people living in states, nor do they have all the obligations. Basically, they can't vote for president, they can't elect representatives, and they... |
Why does 60° water feel way colder than 60° air? | So you're standing in your birthday suit in a 60 degree room. You're a little chilly, but there's a tiny pocket of air immediately around you that has been warmed up by your body, so you're comfortable. Unless a fan is turned on, which disturbs your warm air pocket. That pocket is gone when you're in 60 degree water, a... |
How did Michael Jackson change skin color? | He had vitiligo, as confirmed from his autopsy, dozens of sources, pictures of his hands and legs, and by himself. He used make-up to even it out and some people claim he bleached his skin to speed up the process. In the end, his skin looked very pale and was very sensitive to the sun, that's why he wore clothes that c... |
What exactly is pain tolerance? | It's exactly as you explained it. You have nerve signals that tell your brain when something isn't right and if they are constantly sending signals to your brain saying things are painful, your brain starts ignoring the signal so things that are equally as painful are felt as weaker by your body.Some people have learne... |
In regards to alcohol, what does proof and percent by volume really mean? Is one more important than the other? | The term "Proof" is a holdover from less scientific days, where unscrupulous people might try to sell you watered down booze. You 'd mix a bit of the liquid with some gun powder and drop a match. If it burned, that was "proof" that the beverage was not watered down. In modern times "proof" is quantified properly, and 2... |
the appeals process in the American court system. | There are a *ton* of court cases, and everyone has to wait their turn in line, this just takes up a lot of time waiting for a court to hear your case. In addition, lawyers and prosecutors need time to build their cases, gather evidence and do a variety of administrative procedures to ensure everything is going right. S... |
why do airport security take sharp objects off you (safety razors, safety pins, nail scissors) and then allow you to buy them at the pharmacy in departures? | The TSA exists mostly as a show of force to dissuade people from trying things in airport security zones. If a clever person really wanted to get something nefarious in, they probably could, but most people simply aren't that dedicated. By making everyone subtly hate the TSA, the mythos that they are unbeatable permeat... |
The difference between rar files and zip files | One reminds you every time you use it that it hasn't been purchased; the other doesn't.Well, back in the day you did not compress files. All files were as they were and there was nothing you could do about it. If you wanted to put a 2 mb file onto a 1.44 mb disk you needed 2 disks. Then the idea of compression was inve... |
Why do we use the color red for stop, yellow for caution/slow, and green for go? | I know the answer to this, I just cant explain it that well because its been a while since I have heard the reason. Basically the red light that travels from the light can travel the farthest due to its longer wavelength. This means it is easier to see from farther away, even if its shady/cloudy/foggy, etc. Green is th... |
How do you "count" cards and why is it considered bad by casinos? | As u/LordDivo said. It's best to work in a team so you can kind of see what tables have the best odds for the players. If you're going solo, the basic strategy is you sit down and start with 0 in your head. You then have to watch every card. Lower cards are +1 . Higher cards are -1 . I believe the middle 3 cards are 0.... |
Why do car batteries have a positive and negative side which need jumper cables to charge, rather than a simple plug system like most other batteries? | Batteries all have a positive and a negative side. I am not quite sure what plug you are talking about that most other batteries use. The terminals are often standard but the location of the terminals is determined by the layout of the battery and can not be standardized across different types of batteries. Military ve... |
What is gas lighting? | Maybe you're looking for a practical example? A good way to begin is by moving everyday objects into new places and pretending they have always been there. Move a lamp from one corner of a room to another. When they notice or comment say, "What? No, that lamp has always been there." Act casual.A lot of these answers ha... |
Why do militaries paint missiles? Aren't they just going to explode and get destroyed anyway? | Missiles spend most of their operational lifetime not exploding. The paint is for those times.In addition to what's already been mentioned, stripes are painted different colors to differentiate dummy ordnance from live ordnance. You definitely don't want those mixed up. |
What is the case for keeping the electoral college versus just using the popular vote? | The Electoral College is a check on the electorate. The people could vote for a charismatic populist despot and the supposedly well-informed and impartial Electors could cast faithless votes to either elect someone else, or send the Presidential Election to Congress. This reflects the fear of pure democracy that was co... |
Why is it when a body part falls asleep, we perceive it as a static-y feeling? | The very short version is that you 've restrictied the blood flow to a particular extremity. Nerves being the nessicary sensitive bitches they are rely on lots of blood to function properly. If that's cut down, you get the "jerking off hand of death" for 5 - 20 minutes as the blood flow restores normal function. In the... |
What happened to Mongolia? | Genghis Khan's empire was huge but unstable. It broke apart almost immediately after his death. As time passed on the last remnants of the empire simply faded away. Most simply assimilated into local culture and others were just conquered by more powerful and stable empires like in China. |
How do indoor shooting range backstops work? | I was going to write out a long post on this, but it turns out someone has done it before me and even has pretty pictures. [Here is a good rundown of indoor range backstop options in a PDF.] The two basic approaches are angled barriers that deflect bullets into a catchment area, or soft materials like sand or rubber th... |
how massive public companies go private. For example, Dell going private a few years ago and Michael Dell apparently banking off the transition. Follow-up: the Dell and EMC merger. | so, in the specific instance of the Dell privatization, Michael Dell took out a giant loan from several financial institutions and made a deal with the major stockholders to purchase the stocks. He also used that money to buy a significant number of public stocks and use his newfound majority to 'purchase' the remainde... |
How are those metal soaps able to take off the smell of food from our hands? Like that of fish and other quite pungent food? | It doesn't work. Here is a site that talks about it: _URL_0_ or you can do some more research online. There isn't much else to say. |
The movement of long string-like things through the air/water | It’s a ripple in the air-filled material propagating through the arms, a traveling wave of vibration. These waves originate from the movement of the larger body, which all the arms are connected to. So they all move in about the same way. The light weight in air and the bulkiness—and sheer size—of the kite is what make... |
I´ve been reading that Iceland didn´t bail out their banks but bailed out the people. What does that mean, and how did they do it? | They basically said "we will bail out domestic depositors, but not international investors". Most of these international investors had already been bailed out through their own banks who expected Iceland to make good on its promises. When Iceland reneged on the deal, there was a lot of pressure on Iceland to make good ... |
Who uses Webmail and who uses things like POP and IMAP? | Web mail is great of you always have an internet connection and hence can access your mail providers servers. You get to take advantage of things like mail folders and smart anti-spam filters as part of this. If you find yourself without internet access but needing to get into your mails, you will need to have a mail c... |
Why do we forget most of our dreams after waking up? | Recalling dreams has a lot to do with mindfulness of one's conscience, your inner dialogue, imagination, etc. So I think we often forget our dreams because we just aren't trained to recall them. But then you might remember a dream that was intense or had an emotional response. I feel like the same thing is true for you... |
Why does eating uncooked dough make your stomach sick? | Most doughs have eggs in the ingredients. You can get sick from uncooked eggs / bacteria. regardless of eggs, bacteria tends to only go dormant when it's cold. Bacteria can pop right back to life at room temperature and even in your gut. It takes about 160 F to kill bacteria. Cook your food throughly first. Except good... |
What's the difference between Spotify Radio and Pandora? | The difference is mostly in their aim. Say you like the music of pink floyd, and go to pandora. Pandora will create a playlist of progressive rock, psychedelic stuff, and some pink floyd, with aims of showing you the varied musical world revolving around pink floyd, opening the proverbial pandora's box. Now say you wen... |
Why is it that you can *feel* like you're forgetting something? | Simply put: Because you're remembering that you had to remember something, but you're not remembering *what*. Hence, you feel like you're forgetting something. |
E: How come intangible assets (e.g. patents) do not depreciate even though they have an estimated useful life (i.e. they expire)? | Accounting student here, about to graduate. They do depreciate but they give it a different name. Its called amortizationAccounting rules aside there is an economic explanation to this too That's because appreciation and depreciation can only occur if an asset is *traded* on a market and has money value. In accounting ... |
depression among young people who are half asian and half white | /r/hapas generally believes a significant portion, if not the majority, of Asian women who bear children with White men do not have a positive view of the Asian race. Sort of the opposite of Black pride. The sub calls these people "White Worshippers." These women wish to erase or minimize their own Asian identity so th... |
Economically, what would happen to the world if all of the Walmarts were to shut down? | Their business would move to other companies. In time, another company would move into the space left by Walmart, and would become the new Walmart. So, in essence, nothing substantive would happen, other than a name change. |
How is it possible for female ducks to have evolved with protective vaginas? | The female duck isn't abstinent; it wants to *select* the best drake to mate with. Ducks only mate once a year, and often form monogamous pairs, so it may be "beneficial" for drakes to rape female ducks to increase the chance that the brood that is hatched that year contains the drake's DNA. However, this means that th... |
how does the sit in that is going on in the House of Representatives work? | The House is in recess right now so the representatives there are basically sitting in protest and to draw attention to their cause. The House can go ahead and try to put a bill to vote or they could convene in another location if the Speak of the House decides to. That is in the procedural rules I believeIn the civil ... |
Why modern cars have more of a whine/hum and older cars have roar/rumble. | Older cars tend to have a larger and slower engine, while newer ones usually have small, fast running engines. Also, there wasn't really any insulation around the engine or in the actual muffler to stop sound. If you were to chop the muffler off basically any new car with a decent sized engine, you'd see it sounds almo... |
Why next-generation consoles require massive (sometimes almost 100GB) downloads for games, both disc and virtual, while old consoles could survive with just 4GB of internal storage and could hold dozens of games | Its mostly for high definition or UltraHD textures for all the surfaces, and cutscenes if they are video clips.Sound and music also use up a significant amount of space, but that reached peak quality many years ago. And with the storage and bandwidth becoming less limited, the developers dont bother with compressing th... |
What keeps fungal infections like athlete’s foot, angular cheilitis or scalp seborrhea from spreading to other parts of the body? | These are local infections of fungi. The fungi are able to grow and reproduce in a specific microclimate. Outside of that area this ability does not help them enough. The fungi for athlete's foot flourish inside shoes inside toes. The humidity is high. They do not penetrate the skin or grow large. They survive in a var... |
So are mass shooters mentally ill or not? | Not all of them. And mental illness is a subjective thing, a spectrum based partially on behaviour. One of the main things that'll get you a mental health diagnosis is going out and shooting a bunch of people, which is a kinda crazy thing to do. But 26% of American adults are diagnosed with a mental illness in a given ... |
Why do we "dance" when we have to pee really bad? | Anything to take your mind off of the urgency. Alternately, you could slam a car door on your hand to take away the pee urge.Physiologically speaking, the 'dance' is your body trying to relieve some of the pressure by your stance and posture. And failing to find a 'comfortable' answer |
How does a infant's heart work in a transplant to a four year old? | The heart is a very versatile organ! It can handle much more work than a normal heart would in a normal body. The gap is a little short of 2 years so the development of the 18 mnth old heart and 4 yr old body isnt that much yet so the 18 mnth old heart can easily pump blood to the 4 yr old body. A normal adult heart st... |
What is that sensation where you hear something inside your own head when falling asleep sometimes? | _URL_0_ I experience this on a regular basis. Just wait until you are able to interact with the noise Not a good time_URL_1_ I think you might be talking about this. |
Why do we grunt when standing/bending? | Breath in and then tense up your abs--while holding your breath in. You should feel the air pushing up against your closed throat. Now relax Tense up your abs again, this time without holding your breath. The air can escape now! When you grunt, you're simply using this air to vocalize--that is, make sounds with your th... |
How did the court come up with the punishments for crimes. eg. 15 years maximum for GBH. | They make it up! With the war on drugs came a big dick measuring contest with who's going to be "tough on crime". The 24 hour news cycle solidified this. Let's say youre a politician trying to make their mark and you hear about this new drug that the kids are using. Well marijuana carries a one year sentence and cocain... |
When I have a bad cold and lose my voice, why can I still whisper and it sound like a normal whisper? | Because whispering is half of speaking. Your vocal chords generate a tone, which your mouth then shapes and filters into various sounds. But you can replace the tone with "loud breathing" - i.e. noise - and get a very similar effect to speech. This is what we call whispering. So when you're sick, the part of you that s... |
Can animals develop a taste for music such as humans do? | My cat will tap her tail to the beat of music playing on the stereo, I can't confirm if shes enjoying it or not though. My grandmother has an African Grey parrot, he has the capacity to learn anything, but there are specific sounds he picks up immediately and uses often while other things it takes a lot of repeating to... |
How do our bodies create a vacuum to inhale air? | Your diaphragm relaxes. Naturally your body wants to be full and your diaphragm contracts to push air out. Then it relaxes to pull it back inThe lungs expand increasing volume. Air rushes in to fill extra volume. Lungs contact air rushes out. |
Why do sounds early in the morning appear much louder than they are during the day? | Less ambient backround noise. The world is still asleep, so the normal noise of life is not as loud as it would be during the day when the world is awake. |
Why don't phone batteries limit charging after reaching some threshold charge percent? | They do. Any device powered by a rechargeable lithium ion battery has a charge controller. Batteries are charged by applying a voltage greater than the cell voltage of the battery. If lithium ion batteries are left with a higher voltage applied after they are finished, they could catch fireThey do, they just report 100... |
Why exposing a company with factual information can end up getting you sued? | They can sue you if they feel like it. They have the right to sue you. It might get thrown out in court by a judge, but it doesn't mean they can't sue you, make you rack up legal bills in your defense or whatever until a judge sees the case and makes a decision. Simply suing someone is generally a bigger threat than th... |
Why are models usually stoic? Won't we find a smiling person more engaging, therefor attracting us more to the product? | If the model is physically beautiful but the shot is moody, serious, and appears aloof and unrelateable to the viewer it creates a kind of mystique and unattainable vibe , which gives the product its own appeal. You don't want to be friends with the model, but you want to be them. Runway models are acting as living man... |
Why is it that most singers close their eyes when singing? | Why do I stick my tongue out when learning new song on my guitar? No doubt the act of closing their eyes can be part of the performance, for show, but it is also part of getting into the moment, concentrating, and settling nerves. I don't know of any studies on the topic and a quick search didn't turn up anything too s... |
Where does having a soul and spirituality fall on the religious spectrum? | You're at least mildly spiritual and not likely very religious. Generally I spiritual as a view that there is more to existence than first meets the eye. There is a deeper meaning or at least perspective going on that is hard to pinpoint. Religious is more often a set of beliefs or practices. Going to church. Attending... |
"Who are you wearing?" | The red carpet is basically a celebrity fashion show. The designers loan the celebrities clothing for free, in exchange for having their name mentioned. Reporters are interested because when someone wears a good-looking new design, they want to know who was the clever designer who made it. It is like appreciating artTh... |
Why car manufacturers name their cars after the year after they are first released | Marketing. Would you buy a 2010 Toyota when you could have the 2011 Ford?', "Back in the day, a car's model year matched the year they were released. Since a later model year was perceived as being better by consumers, manufacturers raced to get their model year out as soon as possible. Eventually, someone jumped the g... |
How/why did Los Angeles, the second-largest US city, not have a home NFL team for 20+ years? | 3 primary reasons. 1 - The NFL has TV blackouts in the area if the local team doesn't sell out their home game. LA had two teams in two different divisions, so games would be blacked out all the time when one of the teams wasn't great and didn't sell out. So when the two teams left, and LA could watch all the football ... |
A question from r/adviceanimals: Why do gifs load slower than HD video? | A gif is a series of images played in succession, like a flipbook. Videos are encoded. Very smart people do fancy things to make it so that the file is smaller. For example, a lot of the time, most of the stuff on-screen isn't moving, so the computer doesn't bother drawing it again: the software just says "yeah, leave ... |
Why do some wires, such as phone chargers, eventually become fussy and work only when placed into a very specific position? | Cables like that are made up of a bunch of very thin wires inside. If you abuse your cables, such as by coiling them up very tightly, you can break the internal wires or the connections between the wire & the connector. Treat your cables well - don't coil them up tighter than they were when you bought them. Pull out by... |
Why is it nearly impossible to move your eyes individually? | You can move them separately as an infant, and lose the ability to do so around 4 months. The reason is because our eyesight is only in focus when we track with both eyes, and as an infant, there is no benefit to not seeing in focus. Infants' only goal is to develop as quick as possible, which means your brain essentia... |
Why is all life on earth based on RNA/DNA ? | The simple answer is that it works so well. A system which works well has advantages of anything else. So there are more descendents using it than any other. One interesting variant is mad cow disease and its relatives. This is not life as we know it but the proteins are copied. So the disease is propagated without usi... |
How can movies show little kids smoking cigarettes? | The cigarettes are most likely vaporisers, with fake cigarettes so that it looks real. Most movies I've seen of kids smoking were from decades ago though, when smoking was thought of as normal. I actually haven't seen many recent films where children.are smoking. |
Why is body odor usually confined to the armpit, even when a lot of people take extra measures to protect against it? | The human body has two types of sweat glands: eccrine and apocrine. Eccrine glands are present all over, and typically secrete sweat that is mostly made of water. Their purpose is to keep your body cool when you're exposed to heat or enduring intense exercise. Apocrine glands, however, are located in targeted areas of ... |
Why do arcade games that use game cards have to still count the tickets by ones or twos on the card swiper screen? Can't they just instantly put it on your card? | You don't notice digital transactions as much as physical ones. One common piece of advice is to tell people to deal with daily small transactions in cash; you're less likely to buy that bagel and coffee every day if you have to pull cash from your wallet every time, rather than if you just mindlessly swipe a card. Arc... |
What's the point of having and operating CCTV if you can rarely actually identify anyone using it? | Detterent. Cheaper insurance. And even though you may not be able to identify people, it still serves to show what happened, which is often useful for insurance and legal purposespeople are less likely to commit crimes if they know they are being recorded imhoFirst of all: storing high quality surveilance footage is EX... |
Why do singers scrunch up their shoulders or move their hand up and down when they sing higher/lower? | By flexing the diaphragm it changes the pitch and tone of the note. Sometimes it takes auxillary muscles. Imagine someone flexing their bicep with a straight arm. But they dont get the most of it. Also some is ritual. |
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