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Why has no one crossed a dandelion with a carrot or parsnip, thus creating a nutritious vegetable that grows wild as a weed?
A few things. First, dandelions *are* nutritious vegetables that you can eat lots of ways. Second, a weed is just any unwanted plant - they typically grow more aggressively than cultivated plants because they are evolved specifically for the environment in which they are found and because they don't waste any energy pr...
What is jounce, besides being the derivative of jerk?
This is just a worded definition but: the rate of change in jerk. Ie: the rate of change in the rate of change in acceleration. Poor ex: if your acceleration is 5 m/s^2 for one second then 6 m/s^2 for the second second then 7 m/s^2 for the 3rd your jerk is not charging. The amount acceleration changes is the same each ...
why does local food cost more? Shouldn't it be cheaper due to less shipping and storage expenses?
For the most part it's because specialization breeds such significant efficiencies that the cost to mass produce is just that much lower. So for example , The massive corporate farm in mexico can grow 10,000 heads of lettuce per acre of land and it takes 2 months to do it. Then they repeat the process and can do it all...
Why might the Government shut down soon because of heathcare-related issues? What is going on exactly?
This question concerns one of the most frequently asked topics on ELI5, so it has been removed. Try the searchbar nextime please.
Why is it that if you go to bed hungry, you no longer feel hungry when you wake up?
I'm certainly not going to do this justice but it has to do with glycogen stores in your liver. Your liver and to some extent muscles store up glycogen from the food you eat and then at night your body burns this glycogen.
why doesnt this truck have a license plate? (link enclosed)
> I thought all vehicles required an identifying license plate They are. > Does this person get pulled over more because they do not display their plates? It's possible that they just bought the truck and don't have plates yet, or someone vandalized it and stole the plates.
What's the difference between Republic of China and People's Republic of China?
Before WW2, a nationalist party called the Kuomintang was in control of China. Back then all of China was the Republic of China. But following WW2, there was a communist revolution, and the People's Republic of China was established. The Kuomintang retreated to Taiwan where they continued to run the government of the R...
Since there is a finite number of nucleotids in the DNA, does this mean that there is a finite mutations, therefore we can evolve only within a certain set of possible mutations?
No, because some mutations cause bases to be added to the DNA sequenceIn principle you are correct. We only have so much DNA, therefore we can only mutate so many of those base pairs. But you have to consider that the human genome consists of something like 3,000,000,000 base pairs. Even narrowing down that number to t...
Why doesn't inbreeding work out in the long run?
> Natural selection should get rid of deleterious alleles This is exactly why inbreeding causes problems. Recessive alleles that are deleterious can "hide" from natural selection in heterozygous individuals . Inbreeding increases the chances that an individual will inherit two recessive deleterious alleles . If the del...
What the 2038 problem is.
Most computers store dates as the number of seconds that have passed since Jan 1, 1970. They use a 32 bit number to store this. In 2038 that number will overflow, meaning that to many computers, dates will appear to be Jan 19, 2038 one second, and Jan 1, 1970 the next second. This could pose problems, just like Y2K pos...
What are presidential pardons and why do they exist?
[Here]'s a podcast which covers exactly that. Short version: Before America's independence, it was ruled by England, an absolute monarchy, in which the king could pardon people if he liked, because he was the king. After the US gaining its independence, Washington and friends decided to keep the pardon, as an "act of g...
why do almost all police cars have the same wheels/rims?
The wheels used on police vehicles are meant for heavy duty use. What you see is missing is the wheel cover hub cap. Police vehicle wheels they are normally steel wheels for hard driving and obstructions where a alloy wheel would crack. The other reason they don't have wheel covers and have many holes is for dissipatin...
Why does the boiling water that overflows onto my stove create a mess. Shouldn't it evaporate?
Even if the water is at the boiling point It still takes some more heat energy to get it to actually evaporate. This extra energy is called the "heat of vaporization." The water near the bottom of the pot evaporates first, this is why the boiling bubbles start at the bottom and float to the top. Once the boiling water ...
What stops smokers from claiming tobacco credits for not smoking?
As soon as you're in the hospital and the doctor reports that you smoke, or especially if you're in the hospital for something smoking-related your policy gets cancelled. The carrier refuses to pay out on your claims, because you lied on the application. Bad stuff.
TV makeup and why it's needed.
Lighting. Television cameras need powerful lights shining on people to make them show up properly. Those lights will wash out most people's looks unless make-up is used. Whereas, real life has much less milder lighting being used, so no make-up is necessary.
Why does ASMR sooth people?
This question is impossible to answer and anyone who says otherwise is guessing at best. ASMR is not yet studied well enough because there aren't ways to reliably measure it.
What determines what kind of voice we have?
It's not really a ELI5 question - you would need to buy a phonology textbook and learn precisely what sound qualities are caused by what kinds of oral articulation. Basically, all types of sounds are caused by creating an airflow and manipulating muscles to narrow, expand, and modulate the passages the air is flowing t...
Why does Microsoft maintain multiple different programming languages?
Well they don't maintain C++, they maintain their own compiler and IDE for C++ which is standardized by ISO. They make and maintain all the tools they feel are necessary to make money. There's no language perfect for every task and MS has their fingers in many pies so naturally there are many languages that work very w...
What is it that makes the hair on my arms etc. stops growing by itself when it's about 1-2 cm long but the hair on my head keeps growing "forever"?
The hairs don't stop growing at all; the hairs in places other than your head fall out more often than the hairs on your head, so they have more time to "live" and grow for longer. There are disorders where hair on other parts of the body grow too fast and make people have a sort of "fur"
Why / how have humans developed mental capabilities that are much more advanced than any other animals?
There is no clear answer on this one, but here is a general way of looking at it. The changes required for humans to be so behaviorally adaptable are biologically very expensive and it is easy to see how, in short parts, are not terribly biologically advantageous. We have these massive brains which take a *lot* of ener...
Why does a pound of beef jerky have less than a pound worth of calories?
There really isn't such a thing as a "pound worth of calories". One is a measure of energy, the other of mass. The closest thing I think you might mean is the number of calories contained in a pound of human fat, which isn't exact. That being said, protein has fewer calories per gram than a pound of fat. Just like a ga...
Why is it that we find sodium chloride tastes good, but bicarbonate of soda does not?
Because sodium and chloride are both vital to our survival, so our taste receptors have evolved to like the taste of salt. Bicarbonate of soda has one component of salt, the sodium cation, so it does taste a bit salty. But the anion is bicarbonate which is a base and tastes bitter and unpleasant. No, the sodium per gra...
In movies where there is some kind of nuclear detonation, why is there a massive delay with the pressure wave?
The speed of sound within air is 340.29 meters per second at sea level. That means that an explosion a mile away takes about 4.63 seconds for the sound to be heard. If you are looking at a city from a few miles away you may be in for a wait for the sound to arrive. Light moves much, much fasterJust to add, that flash a...
How do truckers run things like the AC and TVs when they park overnight without draining the battery?
Some trucks have things called APUs . These are practically the same thing as a small Honda generator that you 'd use on a campsite. The small generator runs much more efficiently than the truck's engine. [Here's an APU]. Also, if they're parked at a truck stop or similar location, there are these devices that truckers...
E: Quantum Numbers, and how do they work?
I am not sure about how much details you are expecting, so I will try to keep it as simple as possible. On quantum mechanics, some physical quantities can't vary continuously, i.e. some physical quantities can only assume discrete values. I will try to explain this better: Consider a stairway: You can be on the 1st, 2n...
If a baby grew up with animals, would they learn their 'language'? Or would they be unable to speak, as if they hadnt been around anyone at all?
There have been [very few cases] of this happening, so any answer here will contain a degree of speculation. From the article I link to: > Feral children lack the basic social skills that are normally learned in the process of enculturation. For example, they may be unable to learn to use a toilet, have trouble learnin...
How does a second mortgage work?
It's taking out a second loan against the asset . The trick is that a house has value, and that value can go up and down. So if you buy a house for $100,000 and get a mortgage for the full amount after 5 years you might owe $80,000 and the house might be worth $150,000! There is $70,000 in value on that house that you ...
"Feeling" a laser pointer?
A store bought laser pointer of the 5 mW variety is too weak for you to notice. For a test, close your eyes, and have a friend point it at your arms or hand, and see if you can tell which one. If it was a green laser pointer, like a 500 mW laser pointer, it can be powerful enough to light a match, so you'd definitely f...
What is Juniper and why is everyone freaking out because it has a back door?
Juniper is a hardware manufacturer that makes networking equipment. The internet relies on equipment like this to function. A backdoor is an intentional hole in a security system that allows someone to get in when they shouldn't be able to. Think of a robber slipping in the backdoor of your house because you never lock...
what happens with this spinning thing in microgravity?
That's super cool! In any spinning object there is a secondary spin, called precession, that involves shifting the rotation axis. Usually it's just a wobble, like a child's top slowly oscillating as it spins. That handle/clamp/whatever it is has a pretty well defined preferred rotation axis. The precession can't move s...
Why picking only 10 people for a data study is worse than picking > 30 people.
Use some dice. The average value of any single die being rolled should be 3.5. However when you roll it once it's very possible for you to get really far away from that 3.5 number. Personally I just rolled a 6. That's super far away from that 3.5 we suggested earlier. Do you think rolling the die once was a good estima...
Why is it illegal to sell your own organs?
Lots of reasons - 1) People could feel forced into selling body parts when low on cash 2) People would be literal walking cash machines for murderers 3) Organ donations would cease to exist and therefore only the wealthy would get a shot at purchasing the orgasns", 'There are likely several reasons, but the risk of coe...
How do I become a Shaolin Monk?
Find a monastery, and petition the head monk to let you join. Protip: They won't. Protip 2, electric boogalloo: Even if they did, you won't get magic kung-fu powers.
How does the Wikipedia android app load articles so quickly even when your Internet connection is slow?
I'm not an Android user, so I haven't seen what you're talking about and this is just an educated guess. However, of all the things that can be passed over an internet connection, text is the thing which is probably quickest of all, because it requires very little data. When you view a website, it generally needs to ge...
Why do you sometimes see the first half second of a commercial then it quickly skips to another?
The cable company broadcasts its own local commercials on top of the actual channels national commercials, sometimes you see a second of a national one before it is superseded.
How come some countries' money is cheap and others' expensive?
What's stopping a country from secretly printing a lot of money and exchanging and buying things it needs from another country without the other countries realizing that they have been duped with their now deflated trade off?
What is Verizon doing with Netflix?
> Packets? Packets are "envelopes of data". Over the internet, you typically don't get the whole alphabet all at once it's split up into packets. You get ABC, DEF, GHIJ, KL, MNOP XYZ. > Verizon upon Netflix? Netflix lets paying users stream video over the internet. Although Netflix paying users are paying Netflix for a...
If people are preparing start a colony on Mars, why can they start one on the moon instead since it's closer to earth?
well, mars has a lot more resources than the moon, for one. it has water under it's surface and at the poles, and has a lot of mineral wealth that simply isn't present on the moon. not to mention a wealth of carbon dioxide and other compounds that could be converted to breathable oxygen not to mention that Mars has sig...
when in a moving vehicle how can an insect fly around freely without being sucked to the back?
Inside the car, the air is moving at the speed of the car. It feels very different if you roll down a window and stick your arm out. The fly flys in the air, not the car. Since the back window of the car is pushing the air to move it forward, the fly is going from place to place at high speed but not experiencing the a...
Spelling out numbers (6 or six, 6% or six percent or 6 percent) in school essays, business writing or newswriting
Style guides typically get you to write in letters the numbers zero to nine, and write in numerals the numbers 10 and above. There are exceptions to this though that make sense in context, particularly for large round numbers One exception to this is where a number starts a sentence. Typically style guides get you to w...
Why is Tommy John surgery so common in baseball pitchers but not in football quarterbacks?
It says here Drew Brees attempted 670 passes last season: _URL_1_ And here we see that Clayton Kershaw threw 3467 pitches in the 2012 season: _URL_0_ I don't know how wearing the two motions are in relation to each other, but pitchers seem to do it about five times as much.
Why is 3-ply bathroom paper standard in Europe but not in North America?
I wonder this too, because 3-ply is apparently also the standard in Australia, but it's not even available here in the United States.
Why do most people like the music that they grow up listening to (for the rest of their lives)?
Nostalgia and the like. Have you ever seen videos of the elderly listening to music from their high school years? Memories are attached to that music and that can be pretty powerful.
How come isotopes that have a half-life of, for example, 1000 years, which have been on Earth for billions of years, not all decayed away already?
Half-life is the statistical probability that half the atoms in a substance will have decayed in a given time. A half life of 1000 years means that after 1000 years, it is extremely likely that only half the original mass of substance X will remain. So it isn't even a given that all the atoms will have decayed, it coul...
- Why Do files and other insects lock their legs when they die?
Insect legs are not powered by muscles like mammals. They are essentially hydraulically actuated. When the ant dies, it stops putting it the pressure to extend the legs and they curl up. Edit: This explains spiders. Not really insects.
Right to Work and Unions
A least some of these "right to work" laws don't function to actually prevent unions from forming, but severely limit their abilities to so things that make them useful or functional. A law might prohibit a union from mandatory dues collection from workers. This means they have to collect money through donations only, ...
What makes a boomerang return?
When you throw it, the "wing" is spinning. The side furthest from you is going forwards into the airflow, so in effect is going faster and generates more life. This pushes the "outside" of the circle it's making upwards, tilting the wing always towards the centre, which makes it fly in a circle.the way you throw it and...
Why is it so hard for some people to eat in the morning?
It's a myth. Eat when you're hungry not when you feel like you should because everyone else is.
How do cities form? Government wise, public schooling, libraries? How do we get from 'people near each other' to an organized community?
Every town/city is different in the order they grow and establish services. It depends on when it is needed. They start off as just a few people working around each other. Eventually the guy that does his normal farm work and keeps fixing the road is spending too much time fixing the road. The community comes together ...
Did one group of people "invent" agriculture, or did the whole ancient world essentially take the same step with no other influence?
IIRC, there were three or four areas that developed agriculture independently; the Middle East, China, Central America, but in West Africa it's unclear. After it developed in one area it spread to the surrounding regions.
Why are people who get OTT cable services like Vue or Sling considered "cord cutters"?
Cord cutting is a general and broad term meaning anyone who is not receiving traditional cable or satellite TV service, but instead get the same or similar content through any other means, it could be online, over the air, or just cut it off completely. I.e. They don't get "traditional" TV services. Furthermore a new c...
How are there so many million dollar homes in California if the median income is only about $70K?
Because most people in the area aren't selling their houses, but a lot of people want to buy. If there's more people willing to spend a million dollars on a house than there are houses for sale, then you end up with a ton of houses worth a million dollars and a lot of people who can't afford to buy a house.
Why do we classify venus fly traps as plants?
Yes plants vs animals vs fungi vs bacteria are all classified as such due to their cell structure', "> a plant is primarily a plant because of their place in the food chain Afraid that's wrong on very many different levels. It's at the very least an extremely gross oversimplification. It's true that plants, as they are...
What are the most dangerous aspects of AI?
We could make an AI that is smarter than us. That AI could make an AI that is smarter than it. The next AI makes an AI that is even smarter. Repeat until an AI is so smart we have literally no idea what it is thinking.
Why are things that are *almost human looking generally more frightening/scary/chilling than something completely inhuman and grotesque?
It's called [uncanny valley]. > One of the main points of the theory to explain this is that people are not as affected in an emotional way by the object if it is easy to tell it is not human. After a certain point, people start to feel emotionally about it, but feel bad emotions because it is so nonhuman. As it gets c...
How come in some cartoon movies, especially older ones, essentially the only song played is the main theme song, but played at a different tempo or with different instruments?
Partly because it is thematic. If they cut into some other song, viewers might look for connections that aren't there, but if it just a version of the theme song, you know it is just setting a mood. Copyrights also come into play. Music holds a copyright separate from a movie or TV may appear in, so any new music eithe...
How are chameleons and octopus able to camouflage? Is it voluntary?
Chameleons and octopus use different techniques to change colour, afaik octopus are just super smart and do it at will. But chameleons change colour as their body temp changes, usually a green or blue when cold and a red/orange/yellow when its hotter, when it is mating season it gets super colourfulOctopus skin can see...
- how / why does Catnip work?
"Although no one knows exactly what happens in the cat's brain, it is known that the chemical nepetalactone in catnip is the thing that triggers the response. Apparently, it somehow kicks off a stereotypical pattern in cats that are sensitive to the chemical. The catnip reaction is inherited, and some cats are totally ...
What is Cortisol and what effect does it have on my body?
It's basically a hormone that causes a "stress" or "wake up!" response. Coffee increases cortisol levels.Cortisol is a steroid hormone released by the adrenal gland. It suppresses your immune system, increases blood sugar, and speeds up your metabolism. Caffeine triggers the release of cortisol and too much cortisol ca...
What happens to ppl who have been MIA in a war or etc and after few years they come back?
I can only answer based in my country's laws : When a person goes missing for a certain amount of time , the civil code stipulates that: a) any interested part of the estate may become a "curator" and he/she will be responsible to take care of the missing person estate b) after one year, the curator may trigger the "pr...
What is the purpose of the air bubble inside chicken eggs?
Eggs shrink as they develop. Even if they're not fertile they still shrink as water slowly evaporates. Bird eggs have both a leathery shell and a hard shell . The leathery shell membrane peels back from the chalky outer shell, and that's what makes the bubble. Technically it's called the air cell. By the time a chick i...
Why are chip bags so loud?
Its because of the type of plastic that they use to make the bags. Because chips go stale rather quickly when exposed to oxygen they use a a high density plastic and pack them with gas To keep them fresh until you open them. The type of plastic they use is stiff so it makes a krinkley noise when moved. Hope that helps
What do you puke when your stomach is empty? And why do you keep puking?
You don't puke up anything. It's called dry heaving. It is also quite painful. The reason you puke in general is when your stomach realizes it has something it either can't digest or would be harmful to continue digesting. Your stomach being the simple thing that it is, basically has two options: "continue digesting" a...
Why do wet compact things catch on fire? (like hay/straw bales)
Hay and straw bales are full of different bacteria, bacteria which begin to digest and break down the straw as it decomposes. Once the moisture level gets to a certain point, the environment becomes perfect for extremely rapid bacteria reproduction. This huge amount of bacteria keeps breaking down the bale, which creat...
How is it legal to take away a convicted felons right to vote?
In the supreme court case Richardson v. Ramirez the supreme court said laws which remove a felon's right to vote were constitutional, so that's why it's legal. They said that because the 14th amendment specifically says: > Section 2. Representatives shall be apportioned among the several States according to their respe...
What Santorum Fundraiser meant when he suggested women put aspirin between their knees?
He means for women to keep their legs closed. It's derogatory towards women because it implies that women who want birth control are just sluts who are spreading their legs for men. Notice that he doesn't suggest men just keep it in their pants. Rush Limbaugh was just recently in big trouble with the public and adverti...
Considering that almost all the countries in the world are in debt, and a lot mutually owe each other money, how are those deals made? Why aren't they cancelling each other out?
Countries are generally not in debt to other countries. They are in debt to citizens of other countries. Debts cannot be cancelled out because they are not held by the same parties. Then even if they were owed by the same parties, debt is held under different terms, which means it is often not possible or favourable to...
Why professional thieves are interested in stealing famous art and artifacts if they can't sell it because they'd be caught?
Either they want it for themselves or they have a black market buyer. In general, they'd get caught if they tried to sell it to someone legitimate. Selling it to a specific person is far less dangerous.Because they can sell them. There is some rich guy who is more than happy to pay $1 million for a $10 million stolen p...
Why does some ice appear clear, whilst other ice appears frosty? What's the difference, and what causes said difference?
Air bubbles and the size of the crystals as the water freezes. If water is agitated as it freezes, or if it's frozen quickly, it'll form smaller, tighter crystals, and keeps bubbles of air from forming, which will leave it clear. If you want to have nice, pretty clear ice cubes, boil the water first.
When you right click while using an old computer and it freezes for a few seconds, what is it doing?
the question is a bit general, but usually the computer wants to display some menu when you right click. What happens is that the computer has to collect information about what to display , but this task might be delayed because the place the computer looks up information from looks more like a kindergarden playroom th...
if a woman falls pregnant to 2 different men (ie. twins with different fathers) and one fetus absorbs the other, does the surviving child carry the DNA of all 3 adults?
Yes! The child would be what is called a [chimera]! He/she would have some areas of the body made of the twin's cells and some of its own cells. There was actually an instance where a chimera woman almost lost her kids because they were found to be not a genetic match, but they actually were hers and *her ovaries were ...
why does the NFL think it should be paid by its Superbowl half time performers?
Because the NFL has a midas complex going right now. For the last 10-15 years, everything they touch has become gold. The exorbitant fees their members get paid to put a BankOne logo on goal post padding indicates everyone just wants to capture the eyeballs the NFL brings. To add to that, the NFL offers a lot more pred...
Why are cans in Hawaii shaped differently than regular soda cans?
This is an older design of common cans. Let this guy shed some light on it in the most interesting can-related video ever produced: _URL_0_These are regular soda cans from some years back. Factories in some locations have older equipment.There is a 'side bar' at the bottom of this [newspaper article] that lines up with...
How does a car engine work?
_URL_0_ answers the first part. The second part is due to larger engine capacities, more sophisticated valves etc, and advanced computer control.
Why do women have easier physical standards than men in the military? Shouldn't it be the same?
It depends on the country/military. In the Canadian Armed Forces the fitness test is the exact same for both men and women. Both genders qualify for all the trades and physical aptitude isn't even tested until a member joins. .
How can animals run so fast without tripping on a rock and falling?
I suspect if you took off your shoes you would be better at it. But I have wondered this before, particularly about horses. I doubt they can see where they are stepping most of the time and definitely not when they are walking across rivers and such. It probably has something to do with reflexes. A tennis player isn't ...
Why does it feel almost as good to scratch an itch as it does to have an orgasm?
My god. If you think scratching an itch feels as good as an orgasm than you have never actually had an orgasm. Join the club with the rest of us. Trust me, an itch is no orgasm.
Who decided on the continents? Who decided Australia would be one instead of another part of Asia?
No one decides. What a continent is just loosely defined and there is no official list of what is and isn't a continent. _URL_0_", 'It's not decided. Geographers use different models based on the loose definition of "significant land mass divided from other land masses by geographical barriers." Sometimes nearby island...
How do vending machines know which dollar bills you put in?
Cited from "eHow". Paper money printed in the United States contains, in addition to a plethora of visible security features, some very elaborate methods to assist in automated denomination recognition. The primary method vending machines use to recognize the denomination of paper money is through a magnetic scan; pape...
Why are acid attacks so prevalent in the middle east/asia?
Follow up: If you can get these chemicals in the US and other Western countries, why are these attacks not as common here as they are in the east?
Why are Americans so much stricter about drinking laws than any other country?
Because we are, largely, a superficially puritan group. Because of this, we withold things completely causing a "dog off the leash" reaction to them when exposed. Sure, alcoholics happen in more open societies, but part of our problem is brought about by good intentionsYoung people in America drive more than young peop...
how does movie dubbing work? How can you still hear (e.g. background noises) but not the original voice of the actor on the background? how do they cancel it?
They are recorded on separate audio tracks. The actors voices and all dialogue is recorded from the microphones, while other microphones record the ambient sounds separately. These are then mixed back together to create the finished product. To dub it, the dialogue is recorded again separately in a different language, ...
How does a 2-in-1 shampoo and conditioner work
Not very well, is the short answer. Cosmetics companies did find conditioning chemicals that stay on the hair when used in a 2-in-1, possibly they're more resistant to the cleaning chemicals than natural oils. But they're still not able to match what a separate shampoo and conditioner can do, and product buildup in you...
Whats the difference between mussels, oysters, clams, and barnacles?
Let's talk about what "high class" dishes are. To my mind, a "high class" dish is basically one that is expensive and has limited availability while being in demand or seen as appealing. Barnacles are in the arthropod phylum . They are sessile . People do eat them, but you don't see them in restaurants very often. This...
How is iTunes not considered a monopoly?
Because there are a multitude of other, similar services that work with the same or similar devices and have the same content. You don't HAVE to buy an iPod and shop iTunes.What is stopping you from making a similar, better site?', "For a business to be considered a monopoly, there needs to be a lack of competitors in ...
why is Pi (3.1415 etc) this magical number that can be used to find out everything about circles and other circular shapes
Because it is. More or less. It helps way more to think of it as the answer to a question rather than the magical number. 1+1=2, kind of thing, where you are calling 2 a magical number. It's not really magic, it's just he answer to that equation. In this case, pi is the answer to the question what is A/R^2, or /2, depe...
How is the NFL still considered a non-profit organization when they make billions of dollars?
The teams make the money and do not have this status - but the NFL itself as an organization is treated as a trade organization.Non-profit status doesn't have to do with how much money the organization makes but what it does with that money. In a for profit corporation surplus revenues, meaning revenues that are left a...
How are businesses held accountable to make up the difference towards minimum wage for tipped employees in the US?
You are usually supposed to report your tips to your employer anyway so they can withhold the proper amount of taxes. The employer already knows your hours, so they can calculate the average themselves.
If I give someone $1 million, why do I have to pay a gift tax?
In what jurisdiction? There're a lot of them. One justification for it would be that it's an exorbitant amount of money to just receive for no real point of merit so it's acceptable to take a cut to help subsidize various government services and reduce the tax burden on people that came across their income themselves. ...
The phenomenon in which you see a car you just bought all over
It's a form of confirmation/selection bias, colloquially known as the Baader-Meinhof Phenomenon. Basically, you're not seeing any more of the car than you already were, but you're *noticing* them because you are likewise driving one. The frequency of encountering the cars isn't changing, your attention to that frequenc...
Why do soap operas always look different than other shows on TV?
It's cheaper that way. They are often set up to shoot with multiple cameras running at the same time capturing the same take from different points of view. This requires generous lighting from *all* angles. This is called "flat lighting". Film is generally shot with one camera, and when they need to shoot the closeup o...
How do erasers work on a molecular level?
rub eraser on paper. friction roughens the paper fibres and creates heat. Heat makes rubber sticky. Sticky the rubber picks up the graphiteIf you looked at the process through a microscope, you would see the rubber adhering to the graphite then being ripped off the eraser. That residue after using the eraser is bits of...
How Pets/Animals Know To Look Into Our Eyes.
Every animal has a different behavior pattern. For example, Dogs look away if you look them in the eye because they believe you are the pack leader and the Alpha male/female and dont want to display dominance. Cats on the other hand display affection by looking at you, if they squint their eyes it means they consider y...
1080p vs 1080i. What's the difference?
Difference: Progressive versus Interlaced. Progressive: paint the first 1920 pixel line proceed to the next 1920 pixel line, until you get to the 1080th line, go back to line number one and do it all again. Do this 23.976, 24, 25, 29.97, 30, 50, 59.94, and 60 times a second. Interlaced: paint odd lines starting with th...
What does 'austerity' mean?
Austerity comes from the word austere, meaning self-disciplined, solemn, and/or without luxury. In the context of the Greece issue, austerity measures are designed to limit the amount of money the government of Greece can spend, and also to encourage the government to raise more money through taxes. The Greek governmen...
Why do vehicles on the highway travel in packs?
Because if there is any point where people need to drive slower than anywhere else, they will catch up to that point and bunch up. For example, if you have a street with lights, eventually it will turn red and several cars will drive up to the light and stop. When it turns green they will all star moving together at th...
how do apps keep data secure when transferring over public WiFi?
In a word, encryption. _Any_ data transferred over HTTPS is secure from the device to the web page you're connected to. HTTPS packets are encrypted, meaning snoopers can't see the contents. All people trying to steal data over WiFi will see is the **domain** and not the path or parameters or the body . Additionally, a ...
Since the major network channels are already free with an antenna, why are they so restrictive for streaming?
Your local NBC station pays a fuckton of money to NBC to be the exclusive provider of those shows in your area. So, no other NBC station can legally stream to your area. It's really a matter of not being able to prove where the person is. IP geolocation is notoriously unreliable . If a station can't prove that you are ...
How do vacuum tubes work to make a computer?
You use vacuum tubes to build the circuity of several logic functions , called [logic gates], ![OR] ![AND] ![XOR] ![NOT] connect those gates in a way that makes them do the 4 basic calculation operations . For a adder you built an single bit adder from gates ![Full Adder] and connect the bit adders to a binary number a...
Why do different alcohols (beer vs wine vs hard liquor) seem to produce different "styles" of drunkenness?
This gets asked a lot. Try searching using a phrase like "different drunk" and you'll find many of the threads. The short answer is that it's all in your head. And "in your head" is affected by things like expectation, environment, amount consumed, mixer, etc. The type of alcohol only matters insofar as you might expec...