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What would happen if a canal were opened to connect Death Valley with the Pacific Ocean? | California's drought would be solved. Seawater can be converted to freshwater by any number of means. Solar stills, seawater greenhouses, saltwater greenhouses. Once you have an energy source like say: a desert sun you can convert the saltwater to fresh water. Basically you could build any number of devices to evaporat... |
How do cell towers know the direction to send data for phone calls and texts? | cell towers are not omni-directional. Rather they have three faces . Which ever face of antenna picks up your signal will be the one it's broadcast out on. |
How can it be cheaper for a company to hire a contractor rather than new employees? | Employees have certain costs above and beyond a contractor. Even if you're paying less per hour, the total cost can be far more. Contractors handle their own taxes, no need to pay an accountant or payroll company to do it for you. Contractors are not eligible for company benefits. No 401k fees or contribution matching,... |
Why do fan knobs go from 0-3-2-1? | It is hard to start a motor, it would take a long long time to start on low. Going 0 3 2 1 let's the fan start on High which gets it up to speed in a timely manner |
Why can I *only* do my homework or any sort of project the night before it's due? | If I can find the study, I'll link it, but it has to do with the payoff vs sacrifice ratio. You have a month before your project is due, so you know you have plenty of time. The payoff for you in the immediate is that you can have a good time and know you can still get your project done, so there's no shame in not doin... |
what do people conducting psychological experiments do to account for people trying to mess up their experiment? | A double blind experiment. You don't tell the people performing the test or the people being tested exactly what you're testing for. It removes the bias from either side. |
Why are old iPhones so much slower? | Newer versions of iOS require more processing and more ram to maintain the same usability. New versions of iOS are designed to make the latest generation look flashy, last gen look aging and older phones unusable to encourage people to buy the latest phone. Otherwise apple would go out of businessMany people advise not... |
What happens when you receive unexpected medical services while visiting a foreign country? | Travel insurance or you agree to pay. Was hospitalised in Bangkok a few years ago, I was pretty sure my travel insurance wouldn't cover it so I had to give them my credit card before they would treat me. To their credit, the standard of medical care I received was as good or better than I would have had at home. Gettin... |
If Salt is considered natural anticeptic/antibiotic, how is it that life began from the salty oceans? | It has to do with the quantity of salt involved. If you throw a cell into a cup of salt water 3 things can happen. If there's the same salt in the cell and water, there is no change . If there's more salt in the cell than in the water, then water passes through the cell membrane into the cell . If there's more salte in... |
despite being mostly water, why does beer dehydrate a person?? | Alcohol messes with your body's water balance, specifically it alters how your kidneys make your pee. Usually when your kidneys make pee they filter waste out of your blood along with a lot of water - so much in fact that if your kidneys don't reabsorb some of the water later in the pee-making process you'll lose too m... |
Who was Guy Fawkes? | He was a terrorist that planned to destroy the British parliament with dynamite. I don't think he ever detonated it and he was put in jail I believe. Basically just a form. Of rebellion as is Che Guverra", 'A religious extremest that wanted to blow up Parliament so that the Catholics could rule. He, or his image on the... |
Why are Middle Eastern airlines (Turkish Airlines, Emirates, etc.) more successful than European carriers (Lufthansa, Air France, etc.)? | Quite simple: they're less successful. [Middle Eastern airlines are state subsidized, as a way of boosting the global image of their host nations.]", 'Because people from Europe aren’t going to countries like Kazakhstan or Uzbekistan. There kinda like the middle men between the western and eastern world. |
Whats happening when we get tired while exercising? In theory, shouldn't we be able to keep going as long as an energy source and oxygen are available to our cells/muscles? | Not a doctor, but I've done my share of working out, and this is how it's been explained to me: When you work out, 2 things happen that affect your ability to continue. First, your muscles build up a substance called lactic acid, which is what gives you that burn sensation. This is removed by the lymphatic system and t... |
Why do dogs tilt their heads when hearing certain sounds or when they are watching something? | I remember this being asked on one of the subs before. believe the general answer was that tilting their head helps them focus on the specific sound in order to hear it betterBecause they know that being *adorable* will help convince us to give them that tasty dog biscuit. Also what /u/Razorray21 said, it helps them tr... |
Why are cell phones excluded from directory listings? | I used to work for a phone book publisher. Telephone directories for land lines are a regulatory requirement going back decades. It's part of the tariffs. That's the reason that, if you have a landline, you still get a phone book, even though phone books aren't nearly as profitable as they used to be. I mean, they used... |
How holograms can be broken and still produce the same image | Optically, holography is letting you see a 3D "object" through a window. If you cover up a window, but leave a small peephole, you can still peek through that hole and see an entire scene on the other side. Hologram plates do the same. So, if you shatter a glass-plate hologram, each fragment acts like a peephole, and t... |
Why do we still use glass on our phones? Am I naive or has technology still not developed a stronger, harder, crack-resistant material to use on electronic displays. | Glass vs. plastic: glass is stronger, plastic is more flexible. Glass will break, plastic will scratch. Both glass and plastic can be improved to overcome their respective weakness, but it's still a choice to make. Note that the opposite choice was made for eyewear: most modern "glasses" are plastic rather than glass. ... |
How come when I use "End Task" programs that aren't responding close instantly but when I "X" out of them it takes a while | Analogy: Pressing the X is telling the program that it's fired and kindly ask it on clear its desk and be out of the building by close of business hours. Using "End Task" is calling building security and having them tossed out immediatelyThe X tells the program to close itself. It then goes through the steps necessary ... |
Why can't we lie the economy better? | It certainly would, its pretty much illegal though. Wall Street firms do this all the time to put things in motion to make more money . |
How does chapstick/lip balm work? | Ideally they are supposed to moisturize your lips so they don't feel dry and chapped. A lot of products contain menthol and the sensation of cooling feels soothing. However, a lot of products also contain alcohols that dry out your skin. What this accomplishes is it makes you reapply frequently so that your lips feel s... |
Why do publicly traded companies care about their stock price after an IPO? | * Many executives are paid in equity. * Higher prices make it more difficult for people to earn a controlling share in the company * Valuation is a factor considered by lending institutions if the company wants to borrow money', "If the share price falls below the actual value of the company, somebody may buy up all th... |
Why aren't seatbelts installed on buses? | They aren't needed. The size and mass of the bus will protect you. The cost of the seat belts helps drive the decision to just not use them. They typically serve no additive function and studies have shown they don't make the buses any more safe. In a car the seat belt protects you from the dashboard, windshield or bei... |
Why is "good" in goodbye. | It's actually derived from "God". God be with you = > Godbwye = > Goodbye. |
Why do things taste different when you're sick? | A large part, some even say the majority, of what you perceive as "taste" is actually smell. When you are sick your mucous membranes in your nasal cavities are often inflamed and covered in fluid, rendering them much less efficient. Your sense of smell is compromised, so what you think of as taste is affected. |
Why do we seem larger than other objects when we are sick? | There're actually 2 things going on here. > it sometimes seems like i am larger than everything around me **Micropsia** is a condition affecting human visual perception in which objects are perceived to be smaller than they actually are. _URL_0_ > i have to move longer distances than it really is. **Macropsia** is a ne... |
What is propositional and non-propositional knowledge? (Philosophy) | Propositional knowledge is [descriptive knowledge,] things you know that you could state in words. Non-propositional knowledge is things you know that could not be stated that way, such as how to run up a staircase. |
Why is it so hard to clench your fists after you've woke up? | Usually I have that issue because I sleep on my side, which puts pressure on my arms and they don't get enough circulation. If you sleep on your back, not sure Another possbility is your muscles simply aren't fully awake yet, since it's pretty hard to do pushups straight out of bed and other strength- based activities ... |
The theory that everything is happening all at once, and that there is not such thing as time. | I wish I wasn't on a phone. This is a remarkably interesting question often overlooked or assumed solved. First of all, the word *time* is defined by humans. As we define it, I think it's nonsense to say time is an illusion. The *arrow*, or direction, of time is a human, or conscious, concept. Fundamental physics works... |
Why do dogs love catching things like balls and frisbees? | When we first domesticated dogs we bred them to keep traits we liked and lose ones we didn't. Dogs that could fetch something where useful and thus we bred dogs who fetched.Chasing, fetching and tug-o-war games goes back to their wolven ancestry. Wolf cubs would play similar games with each other using sticks, bones, a... |
How did people way back in the day (i.e. medieval times) treat cavities? | Sugar was significantly less abundant then so cavities were less common, but those that got them pretty much just lost the teeth. |
Is it legal for someone to have more deposited into an account than their W-2 states was earned? | Money is allowed to come from places other than your one job. Plenty of people have more than one job . Plenty of other people have a side business that brings in money. And plenty of other people get gifts from friends and family, which sometimes takes the form of cash. If you make $5k from a side job and don't report... |
How do we still not know why we yawn? | Correction, we do. It's an evolutionary trait that we seem to have inherited. The trait can be seen today in the African savanna, among antelopes and similar herd animals. When one of the heard sees something suspicious they yawn or do some other action that alerts the rest of the herd, and keeps everyone on their toes... |
how the coup d'etat in Kiev is seen as just in by the world community, but the voting for Crimea independence was seen as "against the constitution" and unjust? | _URL_0_ * The ballot did not contain an option for maintaining the status quo * This kind of referendum while under enemy occupation is illegal under international law |
How do the rich get richer ? | Basically, when you have extra money, you can leverage it to make more money. Imagine your friend Joe wants to open a new hardware store but doesn't have enough money to rent a storefront and buy the products that he's going to sell. You lend him $100,000 to open up his business and take a 50% ownership stake in his ne... |
Why/how does congestion dilute one's sense of taste? | When you're congested you can't smell anything, your nose is blocked up. As such, you lose part of your sense of flavor not taste. Your sense of taste is purely based on the taste buds in your mouth on your tongue and palate. However, the accustomed sense of flavor is a combination of your sense of smell and your sense... |
Why are most WWII photos in black in white since color photography has been around since the 1800s? | This is a concept I like to mention to people when a question like this comes up. It's not when a technology is **invented** that's important, it's when it's **affordable** and **easily available**.On top of being more expensive, you needed a much longer exposure to get a decent picture with color than with black and w... |
Why do beverages like Coke or Energy drinks require nutritional facts printed on the label but beer cans and wine bottles do not? | They're regulated by different agencies, which have different rules. The basic idea, though, is that the government doesn't want to encourage the idea that alcoholic beverages are a food. |
If I file a restraining order against someone, what prevents me from "abusing" the order aka "trolling" the person by following them where they go? | Cop here: The restraining order will usually specifically say not to, or you risk invalidating it. Alternatively, the restraining order may essentially work both ways, so you'd be in violation. Generally if the situation occurs where you show up to a public place they already are, they are not obligated to leave as lon... |
Why do fashion shows display outrageous outfits and clothing? | I find it easier to think of the outlandish fashion shows as being more about art than fashion. They're using fabric and the human body much as a painter would use paint and canvas. |
The Red dot on Indian people's heads | An Indian friend once told me that there are many different reasons people wear the mark on their foreheads, but traditionally it was for religious purposes or to denote the caste of the wearer. Members of the higher castes wore differently shaped tilakas to denote their higher social status.It's a chakra . It symboliz... |
Why apple released iOS 6 maps when it obviously wasn't ready for release. | Because google refused to license turn by turn, which was a HUGE feature. Apple had been trying to get turn by turn built in for years but they could never come to an agreement. Also, google changed it's pricing from wholesale licensing to pay-per-use, which would make the maps more expensive. On top of that, google st... |
What happens when a bird is flying really high and it starts raining really hard? Does it affect the bird in any major way? | This is one of the leading causes of avian in flight mortality. ELY5: birdy gets wet, birdy gets heavy, birdy goes splat. Edit: simplified', "Absolutely it does. Which is why you will rarely if ever find a bird flying in a storm. Birds have a heightened sense of the weather. People used to tell/predict the days forecas... |
Freemasons, why did you join the group? | You want ask reddit, not Eli5. The masons are a fraternal order. People join because it's fun to be part of a secret club and hang out together doing projects. Masons also include civic leaders and helpers, so there a philanthropic angle too. |
If people can last weeks without food by getting energy from fat, does this mean fatter people can last longer without food? | You can live of body fat for a long while, ref the case of the obese man who went more than a year without food: _URL_0_ However, as you can read in the article you will need to consume vitamins, minerals and other micronutrients in order to survive. Keep in mind that fasting is not risk free, especially over long peri... |
What's all the fuss this morning with Wikipedia and Go Daddy? | Long story short, yesterday, a call to boycott GoDaddy came about because of their positive stance on SOPA. Today, someone suggested that Wikipedia switched their domains from GoDaddy to another domain name provider.Wikipedia is significant because it is among the world's most popular websites, and their support for Go... |
What exactly is a stroke, and what causes it? | A stroke is when part of the brain is starved of oxygen which can result in death of brain cells. The stroke can be caused by things such as a blockage or by a bleed. Sometimes they seem to resolve themselves quite quickly but quite often they result in some level of damage or even death. |
Why do we need the give the security code off the signature strip of credit cards when we buy things online? | It helps show you have possession of the physical card. That number is not stored on the magnetic stripe, so it can't be obtained using a card skimmer for example. |
How do returns work at retail stores? What does the store do with broken returns? | I used to work at Best Buy. When we get a return, it goes into something called functionality check where someone checks the device for accessories or any damage/defects. If it's good, they mark it "open box" at a discount. If it's broken, they send it out to their service center to be repaired and then resold in the s... |
In my country, low octane fuel (everything below 93-95) was discontinued 20 years ago for being 'low quality'. How come USA still sell it and use it for its cars? | Your country probably uses a different average for measuring octane. The rule of thumb is use the lowest octane you can for your engine, and no lower. The reason for this is two fold: 1) Lower octane is easier to produce and thus cheaper. 2) Lower octane fuel is easier to yield energy. You only need a more stable fuel ... |
why does such a small difference in the amount of CO2 in the atmosphere make such a large impact on temperatures? | in short, bands of CO2 in the atmosphere act like glass and scatter heat; rather than it directly emitting to space more of it spends time at the surface before leaving - doubling CO2 increases surface temp average approx. 4° according to Svante Arrhenius calculations it's not a big impact if you are looking at the pla... |
what causes you to wake up when you (make yourself) fall in a dream? | The jolt you experience is called a hypnic jerk. It is an involuntary twitch your body makes. We're still not sure what causes it, but scientists think it is a leftover from when we slept in trees. The jerk wakes us up if we're about to fall. Other animals experience this. |
why do WWE wrestlers die so young? | Many 'pro' wrestlers live a hard life on the road which can make them prone to depression and lead them to abusing intoxicants, a lot of them take steroids and/or other performance enhancers, it's a freaking hard job that takes a massive toll on a persons body which often leads to heavy duty painkillers and then there'... |
[LI5] How a lightbulb works. | There are several different kinds of light bulbs, but I'll explain the most common ones. **Incandescent** light bulbs are probably the most familiar. Electricity doesn't flow through metal wires perfectly, some of it gets lost to heat. A light bulb is designed to make that happen *on purpose.* Inside, there's a very th... |
How come we had massive drones (helicopters) before small ones ? | Helicopters aren't drones. They have a pilot. They also have a giant combustion engine. You can't use a giant combustion engine on a drone because then it's too big . So you have to use small electric motors. Uh oh! the currently existing technology doesn't provide powerful enough motors or long-lasting batteries! Time... |
How can we decrease the amount of time it takes to reach another planet without over shooting the orbit? | You'd have to use more acceleration at both ends - on departure to increase speed, and on arrival to match orbits. But of course that means carrying more fuel. |
How text messages sent to a dead phone will arrive once the phone is turned on | The text is sent to a server belonging to your service provider and is stored, when the phone turns back on it sends the server a signal saying its on and the server sends all the texts that were received and stored while the phone was off.Think of it like email, its not your computer that's being sent the email, its a... |
What is chronograph and how different it is from a StopWatch? | A chronograph is a clock with a stopwatch function, a stopwatch is a handheld timepiece that is designed to measure the amount of time. [Image of a Chronograph] [Image of a Stopwatch] |
Why is the cost of living (specifically rent) in California so high? | Demand and supply. There is a huge demand for land in California because the population is large. Many people want to live in or near cities so the rent at these places will rise. There are also strict building restrictions in some parts of California. Very few high rise buildings or apartments can be built and cities ... |
Motion sensor sinks and soap dispensers that don't sense me. | It usually just means the sensor is dirty or obstructed in some way. These sensors rely on a variance in the mean data set they are observing to detect movement. That is, if the sensor normally "sees" the wall on the other side of the restroom and suddenly it sees an object appear in front of it, it signals that it det... |
Why exactly does the pharmacy take so long to fill my prescription and what does a pharmacist actually do? | Another way of looking at it: [Why does my prescription take so damn long to fill]', "Your pharmacy doesn't manufacture medicine. I'm not a pharmacist but basically they need to check your file, check if you actually have a prescription, see if the script is up to date, see if your doctor has ordered refills, if they h... |
Why can some plugs go into outlets both ways, while others can only be inserted one way? | It's called polarization, one side is "hot" and the other neutral. It's for safety as AC current is not technically "directional". Take a light bulb socket for instance, the threads are neutral and the little nipple down in is hot, if you could plug the plug in either direction, the threads could be energized and it wo... |
Why can't TV stations or Radio Stations used the phrase, "Super Bowl" when talking about the Super Bowl? | Because Super Bowl is trademarked and the NFL is super conservative with how it let's people use that term. That's why you'll usually hear it simply called "The Big Game" or referenced as "Sunday's game" from anyone who hasn't paid to be "The official X of the Super Bowl"They can use it in news reporting or conversatio... |
How fish can produce light while being at the very bottom of the ocean | It's called bioluminescence. Basically, it's the result of a chemical reaction which converts chemical energy into light energy. Some organisms use it for defence or as a deterrent, others use it to hunt. Kind of hard to go into less depth at least whilst I'm sleepy, but yeah. |
How does rolling after a long fall prevent injury? | You are spreading out the interval over which the energy from your fall disperses. Instead of all of your velocity inspired energy going into one solid 'whack' in the ground, you're redirecting it into a 'bumpity-thump-bonk-smack-pop-bonk' across the surface. Now picture the difference between tapping a box over an hou... |
Why does muscle grow back bigger after being broken down, and why do we suffer injury after prolonged use instead of massive growth to compensate? | Injury and growth are different. When you work out or even just when you use your muscles, they tear like when you stretch fabric or something. Your body does its best to develop and avoid future injury or pain, so the muscle grows back a little bit stronger to prevent it from happening again. It is the same way that y... |
Why is Mcdonalds so much more popular then other (arguably better) fast food restaurants? | uniformity. no matter what mcdonalds you go to, you're getting the exact same food prepared the exact same way every time. Other restaurants may be able to do that, but that's not the draw. |
Why is happening psychologically in a murder suicide when the victims are not even people the killer knows? Why would somebody who intends to take their own life want to kill others before doing so? | Typically such a person believes he has been treated unjustly by society, so he is striking back at society in general -- which includes basically everyone. _URL_0_They may believe that they have been mistreated by society as a whole and want revenge, even on strangers. They also may feel like their life was pointless ... |
How did scientists confirm that North America and Europe drift a couple of inches apart every year? | Very, very accurate measurements. There are scientific grade GPS base stations that can accurately measure such things.With satellites, I think it's probably pretty easy to measure these things geometrically. But the ridges in the oceans are pretty damn cool-- you can see the molten rock coming up and they can age that... |
Why does bread get hard when it's microwaved? | A microwave essentially boils the water out of the food in it. So without water, the bread gets hard. |
If Easter is the anniversary of a dated even, why does the date change each year? | It all depends on your calendar. For example, Passover is always the 15th of Nisan. If you follow the Hebrew calendar, you would complain that Christmas is on a different day every year. |
If I was falling from the sky with a car, and jump on top of the car right before hitting the ground, will I survive? | Freefalling in/on a car you would probably hit a terminal velocity around 200mph or so. How fast can you jump? 10mph? OK so you hit the ground going 190mph, splat. |
How do programmers incentivize self-teaching software? | Incentivized doesn't really mean anything super-special here. So they 've got a neural network that tries things at more or less random. If it works, it keeps the change. But depending on what you're trying to get it learn, it rarely has a simple "Well that worked\' test. So they use "heuristics", a guess of how good a... |
When you download media digitally, do you lose quality? | JPEGs don't lose quality when downloaded or uploaded. No other forms of media lose quality just being moved around. That's one of the inherent advantages and points of using digital systems to store stuff. *Compression* is what causes quality loss. You can do this to reduce file size. Changing formats can also cause qu... |
How am I able to think and type without even thinking about where the letters are that I am hitting. | You're a Wizard Malachi. Also muscle memory. Like you can do quite dexterous things because your mind is plastic and can just repeat the same actions again and again without thinking. Typing is a pretty cool one though. |
How are "day of silences" supposed to help a cause? | This comment doesn't answer anything, but one year in high school I actually helped spread awareness leading up to the day, and went to a rally at the regional GSA that had people from other schools. Made sense leading up to, lets have a day of silence, think about prejudice, hopefully people become more thoughtful aft... |
What's the difference between an architect and a civil engineer? When a new building is built, what are their respective contributions? | I think you mean structural engineer? Generally speaking, there is a saying that the engineer makes a building stand, architects make a building work. A building can stand fine, but didn't ensure that the bathroom won't stink up your living room and that the bedroom is big enough bed and dresser and that the dining roo... |
Why opening the task manager almost always seems to fix a non-responsive application | Because starting the task manager is like an astronaut calling in and saying "Houston, we have a problem". You 've got your computers attention, it's sort of a "top level" instruction, everything else the pc is doing is frozen, and you get the task manager. Often times that freezing is actually enough to unfreeze thing... |
Why do bombs/explosives blow up in a "mushroom cloud" ? | The explosion pushes out all the air around it and generates a lot of heat. The heat then rises in the air, and cooler air rushes in below the rising pillar. The pillar of hot air cools as it rises and spreads out while hot air continues to push up from beneath it, and cooler air fills the void it left. This causes a m... |
How does data recovery from formatted SD cards work? | The difference between an 8GB card vs a 7GB card has to do with how cards are marketed vs how computers count data. It's kind of fucked up that it's allowed, but it's the way all data storage is sold. A card retailed for 8gb contains 8,000,000,000 bytes. Except computers don't count in base 10, they count in base 8. So... |
How did Danes become so well-versed in English? | English in early school , this continues throughout school, and is one of the high priority classes. Mixed with non translated TV shows. We use subtitles instead. Being somewhat well traveled, I've noticed most countries who translate their TV shows / movies generally suck at english, and those who go subtitles instead... |
What items did I pay tax on? (Receipt in comments) | They added the two taxable items , then subtracted the coupon from those two for determining the taxThe ones marked FT or T . |
How do undocumented immigrants lead normal lives in the US if they don't have citizenship? | They work a job where they can be paid cash under the table and not be asked too many questions. They may either share a house with a full citizen or rent an apartment with a landlord who won't ask too many questions. If you get sick, you go to a hospital or clinic with strong doctor-patient confidentiality rules. If y... |
If theres $1000 cashback on an item, why not just make the item $1000 cheaper? | If it's like a mail in rebate, studies show that 40-70% of people forget, lose it, don't bother, etc. Free money. |
Why is the understanding of rock formation important in finding oil? | Only certain rock formations contain oil. Typically porous rocks with voids. Some of it eventually reaches the surface and seeps out naturally into land or water, but most of it eventually comes up against a layer of rock that it can’t move through. This impermeable rock forms a seal or trap, and slowly, very slowly, t... |
Why the Japanese confuse "l" and "r." | A human vocal system can make a huge variety of sounds. Each language only uses certain number of those sounds. Once a person is past a certain age, it is hard for them to learn sounds that aren't a part of the language that they grew up speaking. Japanese doesn't have separate sounds for the letters L and R. The sound... |
Why do ones have to prove one plus one is two, isn't it based on the definitions of the numbers themselves? | It kind of depends what your definitions are. But generally, no definition of the numbers says, explicitly, that 1 + 1 = 2. Or that 7 + 3 = 10, or 6 + 9 = 15, or any other specific addition. It lays out general rules for how numbers work, and you need to use those rules to arrive at specific conclusions. A fairly stand... |
Why do anime/Asian culture fans/enthusiasts constantly use this '~' symbol in every sentence? | I'm only going off my weeb of a friend, but he told me that the use of "~" is to drag out the word in question by stretching out its main syllable. For example "nyan~" translates to "nyaaaaan."It draws out the last sound of the sentence and is intended to portray "cuteness". _URL_0_ |
Why does water cling to skin? | The reason it clings to your skin is because it's polar. That means it has a negative end and a positive end. Because like charges repel each other, the negative bit pushes away the negative charges on your skin and makes it positive. Now look! We have a negative end of a water molecule and positive skin! ATTRACTION . ... |
What do the people of Scientology believe in? | [This]. Not kidding. Just so you know, the founder of Scientology, L.Ron Hubbard, was a mediocre science-fiction writer who got into a discussion with other writers about human gullibility. He bet that humans were so stupid that he could invent an obviously ridiculous religion, and not only get people to believe in it,... |
When you leave your car in the sun, why does heat get trapped inside? | ~~Visible light is able to travel easily through glass, which means energy goes into the car. When it hits the seats or other surfaces, some of that energy causes the object to heat up, essentially turning into infra-red light. That light is not able to as easily travel through the glass. So for each chunk of energy th... |
What is the difference between a bank and a Ponzi/pyramid scheme? | **Ponzi scheme**: you tell the first guy "give me $10 and I'll give you $100 in 2 weeks. Then you tell the 2nd guy "my scheme is making the first guy rich, give me $200 and I'll give you $2000 in 2 weeks." Then you use the $200 to pay off the first guy and look for a 3rd guy who will give you $4000 in exchange for $40,... |
Why are my eyes able to laser lock onto objects? | Or brain works in a way that we always focus on the point that we pay attention to. You cannot look at some place and have it be out of focus. Or to phrase it the other way round: We always pay attention to the point that is in focus. This is unlike photo cameras for example. This is also why you sometimes feel weird w... |
What would happen to me if I were to drink only salt water? | You would definitely die. Your body cannot effectively filter the salt out of the saltwater and so your mental state would deteriorate, and you would dehydrate and dieYou would die of dehydration. It happens often when people are lost at seaYou would die of dehydration. The salt would make you urinate out more liquid t... |
How do artificial flavours work / how are they made? | Mix a bunch of chemicals to taste like what you want, if its safe to eat and the FDA says its ok put it all over food. Taste is nothing but chemicals, and many things that are naturally occurring can have a synthetic version made chemicallyStrawberries have few thousand molecules that make up the taste, but they can be... |
What does anti-perspirant actually do to us that 'stops' us from sweating? | It does work by blocking the pores, but not the way the top answers I see are suggesting. Most antiperspirants contain an aluminum compound as the main active ingredient. from [wikihow]:The aluminum ions are taken into the cells that line the eccrine-gland ducts at the opening of the epidermis, the top layer of the ski... |
Why do kegel exercises have tremendous benefits when flexing a muscle like the bicep does not? | The simplest answer would just be that the kegel muscle is a much smaller muscle and therefore is effected much more by flexing than a larger muscle such as the bicep. If you think about it as well, when you lift weights you are essentially flexing your biceps with extra weights in your hands. However, in the case of t... |
What causes liquid to run down the side of your cup instead of following the usual rules of gravity and falling straight down? | Surface tension. It's strong enough to keep liquid clinging to the smooth surface of the cup. It still follows the usual rules of gravity, and having a pour spout or a little notch near the side is enough to allow the liquid to build up enough that gravity will overcome the tension. |
How does my rear-view mirror in my car reflect off of the ceiling when I flip it up at night? | The shiny metal part of the rearview mirror is at an angle to the glass that covers it. This creates two reflections - a bright one off of the shiny metal, and a dim one off of the glass. During the day time, you have the mirror assembly adjusted so that you're seeing the bright reflection off the shiny metal. When you... |
- Why do tattoos last a lifetime? | It does over time that's why they get that faded look but it's in one of the bottom layers of skin so it takes much longer to disappear |
What does typing in "https://" before the URL do? | Imagine a friend calls you. You're multilingual, so you can speak English, French, and Spanish. Your friend isn't, and can only speak English. He knows you can speak multiple languages, so whenever he calls you, he specifies "English" before saying whatever it is he has to say. That lets you know that you need to speak... |
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