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Why is the speed of light an absolute? Why is it considered the highest achievable speed?
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It's considered absolute because to maintain the speed of light, an object would need to have an infinite amount of energy to do so. That is impossible, and as such, the speed of light is a constant/absolute, and the fastest something can move, ever.
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Both of my Parents are type O blood type. I am AB+ how is that possible?
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Are your parents O + or O- ? Having an AB from an O is still impossible I'm just curious. The chimerism thing doesn't work because it means you have cells from one or more zygotes. But any of the DNA you have has to come from the sperm or the egg. Neither of your parents have any copies of A or B unless they are both chimeras as well, but this would have been detected when your parents were blood typed. _URL_0_Article is from the American journal of medical genetics 1996
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"Don't look a gift horse in the mouth"
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People used to judge a horse's value by looking at its teeth. I think the meaning of the saying is that you should just be grateful to get a gift and shouldn't worry about what its value is.
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How the Syrian group taking over a news outlet's twitter, and posting the President was injured mad the Dow drop 100 points?
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The DOW is an aggregate of major drivers of the american economy. If the president was injured this would mean a weakening of the american government and by turn the american economy. An easy analogy is that the dow is a measure of your popularity in school as measured by other people. and the syrian group taking over the twitter and posting the president was injured is like some people that maybe don't like you start spreading rumors that you are sick. Since people don't like being around sick people, they rate your popularity lower than before
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What's in it for the federal government to have marijuana criminalized?
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Originally it was a group of very wealthy men who earned their money from paper and paper products that really didn't want hemp to be legal.
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How did identity work before photo ID?
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The world used to be much more local. People lived in one place and didn't move around much. It was likely anyone who you did business with knew you, knew where you lived, and new your reputation. If they didn't, a letter of introduction from a person of good reputation would often serve as an introduction.
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Why did China become a world power when the Soviet Union collapsed?
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Because during the 1900s, Russia was a medium-large country that, because of its political situation, was punching above its weight, whereas China was an enormous country that was- temporarily, it turns out- anemic. When those conditions changed, Russia lost power and prestige while China gained them.
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Can you really say, "You can't fire me, I quit!"? and legitimately resign before you're fired.
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People in this thread seem to think that quitting automatically disqualifies you for unemployment, so I want to clarify: It doesn't. While quitting will *usually* disqualify you, there are several valid reasons that will not. Some examples: 1. Quitting because of an ongoing hostile workplace.2. Quitting because the company refused to abide by agreements they made upon hiring.3. Quitting because the job suddenly changed your schedule to one that was incompatible with child care responsibilities.Yes. And by resignation, you actually save the company time and money since you basically gave up your rights for unemployment benefits that the company could possibly have to payI know the opposite is true. I told my boss I quit, and he said "You can't quit, you're fired!" To which I replied "Haha, whatever makes you feel better. Take this job and shove it, asshole."', "Not quite related, but a joke in the construction trades says that if you fall from a roof or a ladder, you're fired before you hit the ground.
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Why is there a sex offender registry?
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If would be helpful to say why you were put on the list to begin with, if you can or want to discuss it, of course. **EDIT** I don't agree with this sort of registry mainly because it's guaranteed to destroy the lives of whoever is on that list and some of the people that are on it, are so because of moronic reasons like having underage consensual sex when both people are underage.They justify labeling you by claiming its for the good of others. My boyfriend is also on the list, because we were in a 15-21 situation. Because this isn't a court type punishment, it "doesn't count". It has nothing to do with the law anymore. People are afraid of you, and want to pretend they're keeping an eye on youAccording to the law, you are not being "punished". Publicly available information about you is being made available to the public. If I wanted to do the legwork, I could get the names of all my neighbors from public records, then search various jurisdictions for convictions and get the same information. A list just makes it easier.
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If we pay for cable why do we have to watch advertisements?
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Because the fees paid to cable companies and passed through to the networks aren't sufficient to pay for the programming. Nothing that prevents businesses from having multiple income sources. No different than magazines or newspapers having ads and subscription fees. No different than ads on subway trains or city buses. Or baseball stadiums with ads all over after you've paid for a ticket.Because cable company are greedy and want to get every last penny out of their service as they can.
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Why is the world just watching ISIS massacre people?
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Start by reading as much as you can about what ISIS is and how they work. Next, identify the individual names of people you think should act, and what action you think they should take. Then ask the question again, and see if anyone can help you get a clear answer. Your question, as it is written, is too broad to answer. It's a little like asking, 'Why does the world just watch child abuse?'", 'The USA is still waiting for the thank-you note from the last time it invaded Iraq.Remember the last time the world went to war in Iraq? That last time is why there *is* an ISIS. The Americans have shown the world that you just can't fix Iraq by invading it. The most powerful military in human history tried and just fucked it up worse. Nobody wants a repeat.Do you realize *when* they started gaining traction? It was right after the last US soldier left Iraq at the end of 2011. They wanted us out entirely, and we got outPublic opinion is against action in the Middle East nowWe are rather wary of conflicts as the wars in Iraq and Afghanistan were not exactly successful
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Why are there big cities in places like the American Southwest but not in the Australian desert?
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[I think you're **severely** underestimating the size of Australia]. The interior of Australia is **huge** and there's not many sources of water. All the major cities in the US Southwest are near rivers.
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Why do sports teams have "home" and "away" jerseys that are different colors?
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Generally you want one team to be wearing a really light Jersey and the other to be wearing a dark Jersey. Failing this, at least two very distinct colors. People with poor televisions, watching in black and white, or just colorblind or slightly poor vision can't easily tell two similar colors apart. Or maybe a quarterback that just suffered two concussions and is in the process of being sacked for a third needs to make a snap judgement on who to throw to, so needs instantly distinguishable jerseys. By making each team have both a light and dark version of their Jersey, you can make sure that if one is wearing dark, the other is wearing light. This makes them super distinguishable to all people and technology, and also usually has the added benefit of letting you know who the away team is if you are just tuning in
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Why does fresh air usually keep me from vomiting?
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Oxygen and coolness can definitely quell nausea, idk why but it does. Many a time I've been sick a fan on my face and a cold washcloth helped loads.. and a couple popsicles sometimes :P Sometimes i did still puke if i was really really ill but most often that was enough. I just googled it and they pretty much said fresh air helps cuz you're not staying in a room with your own illness.. i think you're prob in a cool climate though cuz i can't imagine stepping outside to stifling heat when you're feeling ill and feeling better lol. My ignorant answer is that the body's heated when it's ill and any coolness is gonna bring some relief. And you best sleep! < 3
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How do i "sense" someone is staring at me? Is it just coincidental or is there an actual scientific reason this happens?
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I can't cite anything, maybe someone could help me out, but I seem to recall reading somewhere that special forces people were trained to look just over the shoulder of targets they were sneaking up on to keep from triggering such a mechanism.
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Can someone explain the 'Aristocrats' joke LI5?
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Here's an example of a joke that is not funny, and thats why its supposed to be funny: Your momma's so fat, she has to wear large clothes. The point is that it plays on your expectations. The aristocrat's joke puncline is this kind of humor. Its also a shaggy dog story, you can try to draw the joke out and make it as long as you want. This is where the conventional humour is. The punchline is really an afterthought, i mean, why would people tell the same joke over and over if they already know the punchline? The aristocrat's joke is in the telling.
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Why does packing a wound with gauze, effectively keeping it open, cause it heal faster?
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Since no one else has mentioned it *Clostridium perfringens*, the causative agent behind gas gangrene, is an anaerobic bacteria. This isn't such a concern these days with knowledge of germ theory and aseptic techniques and antibiotics. But in WWI a lot of soldiers lost limbs or died because their wounds had been closed up thus trapping the bacteria inside in a nice warm, moist home without any nasty oxygen to bother them.
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Why don't toilets have an overflow hole to keep them from overflowing all over the floor? (Like sinks do)
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You can use a European Toilet instead, I've never seen one overflow onto the floor. They work on a different principle, you siphon the water out of the tank at the top, which flows into the bowl, pushing all the waste round the U-bend. This is different to adding water to the bowl under it then siphons out, resulting in much higher flushing force but the lower water level means sometimes you need to use a brush to clean off some fecal matter. [There is a diagram here]
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Why can't we use Cellulase, an enzyme that can break down cellulose (wood and grass) into sugar, to eliminate world hunger?
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People aren't starving from lack of calories anymore. They are dying from malnutrition: lack of vitamins and minerals. Producing tons of cheap sugar won't help.
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If a room has something that plays a sound, but nothing that can hear the sound is in the room - does the sound really exist?
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The mechanical wave that we perceive as sound exists the same in every way whether it is heard or not. It only would not be 'a sound' insofar as your working definition of sound might specify the actual perception of said wave.Sound is a wave that vibrates particles in the air. That vibration can be detected, even if the detector cannot hear. So yes.
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Why Don't Babies Just Sleep When They Are Tired?
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Babies are stupid. They don't understand what they want or need, they just know they're uncomfortable and that crying for help usually makes the discomfort go away.
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Why can't I buy a ready made meal with all of the perfect amounts of nutrients and just eat that every day?
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because there's really no demand for it. although some products like ensure, slimfast, health shakes, etc, come close but they aren't recommended for long term use. one guy is trying to make soylent, which is intended for long term use.
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Why are there so many movies made about the Vietnam war but so few about the Korean War?
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To put it bluntly: because we disgraced ourselves in Vietnam and it's really important to tell that story. Also, Korea was a far more conventional war with no winners so instead of making a Korea film, might as well make a WWII movie instead; it has the benefit that we can weave in all the heroism of singlehandedly saving the world from evil .no idea why there hasnt been a screenplay about [operation paul bunyan] _URL_3_This is a documentary, but a fantastic one, about the Battle of Chosin Reservoir. The Marines consider this one of their toughest battles of all time. Highly recommended. _URL_4_', "There are many movies about the Korean War, from actual Koreans It is their story, as Americans we were there to support them as allies, but they had already been invaded by that point. I highly recommend watching the Korean made movies, many of them are really good. Vietnam that really defined a turning point in history for us, considering the anti-war movement as a whole and the amount of casualties. First time we really lost a war. I'm only speaking thinking you are also American
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why do we sometimes stick out our tongues slightly when we're concentrating hard on something?
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I've read somewhere before that the nerves that run through our hands and the nerves that run through our mouth connect to the brain in the same spot. So when you are completing a fine motor task with your hands you will often stick your tongue out or bury it in your cheek as a kind of side effect.
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How does a touch screen know to only work with my finger and not with something like a pen?
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I checked and it also works with my dog's paw", '_URL_0_ The comments on this are pretty exhaustive.
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Which kills us : Volts or Amps ?
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Strictly speaking amps are what kill you, and volts are what you should worry about. Except for static electricity, which is a special case. Using the cliff analogy - it's hitting the ground that kills you, but it's falling off the cliff you should worry about.
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Does keeping someone "awake", keep them from dying like in movies?
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No, but it's a lot harder for medics to diagnose your situation if you are unconscious. It's also a bad sign."Don't fucking die on me man!" "Oh shit, is that what I was about to do?"', "Well, you can't be awake and dead at the same time..If you keep someone awake they will not be dead.
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What makes eczema incurable?
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I'm afraid I really can't answer this question, but I wish I could. I too suffer from eczema. The steroid creams don't work and I've changed my skin care habits frequently. I spend so much money on moisturisers and hand cream, it's unreal, and I moisturise my hands every hour or so. This is all impeded by the fact that I have an obsessive compulsive desire to wash my hands just as frequently, and I hate having greasy things on my hands. I suffer from very mild Asthma also. Apparently, there's some level of correlation.
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If a lightning strike is around 27,000 degrees Celsius, how do we survive being struck by it?
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It's only an instant, and passes through us very quickly. Apparently only 1 in 10 lightning strikes are fatal. Most at most have burns on their feet.
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How come after a day of drinking I just want to go to sleep?
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Alcohol can cause lethargy and sedation when you drink enough of it. It slows your reflexes and makes you tired. You don't need to have done any physical activity for that to take effect.
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Ronald Regan and his significance in politics today
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Because he had the Balls to commit high treason to win the presede goal election against the Democrats. You don't see that kind of determination from today's Republicans.
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The difference between TCP and IP
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IP is a protocol for a single packet's end to end communication. It's sort of like the mail system -- You address your letter properly, and you send it to the other end. There is no guarantee about it being received. TCP works a layer above IP. It is one of two protocols commonly used at that level, and it is used for ensuring that packets are transmitted end to end successfully, and that anything which requires multiple packets are all delivered, and the recipient knows the order to read them in. Think of it as a really fancy tracking system.
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Why in dreams do you punch slow or can't run?
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I take it as a sign my brain is emphasizing what a huge, impotent failure I am, just in case I didn't already get the message from the previous 16 hours of self-hating criticism.I think it's because your brain wants to move your limbs but they don't respond so you feel "restricted" in a wayThink of dreams as being nothing more than random ideas being caught by the brain and elaborated on. Your dream is telling a "story" because your brain is constantly coming up with answers to the questions you're "asking" yourself based on whatever ideas your brain is thinking about. The reason why you can't punch is because your brain comes up with a scenario where you should punch and immediately thinks, "oh shit what if I can't punch ?!" It's nothing more than a daydream being controlled by your unconscious mind. Source: an awesome documentary on PBS featuring Alan Alda. Anyone want to look that bad boy up and post the link? I would, but I actually have to go run slow in dreams right now!Something to do with the coordination of punching and running being muscle memory
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What is the correct way to record time between 2am and 3am in the fall on DST day?
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Move to Arizona so you don't have to deal with the stupidity that is daylight savings time.You use the timezone issued in accordance with UTC. For example, I just sailed from New Zealand Daylight time into Fiji time . Our ship log is split at the 1800 mark into the top half 1800NZDT and 1800M. In the end, Zulu time is the same, so you just record with what timezone you are presently in. "At 1830NZDT ship retarded clocks one hour to 1730M. All future times are listed in M"Tom Scott has [a pretty good video] that touches on this, along with a myriad of other issues with time zones in general. tl;dw the correct procedure involves large quantities of alcohol and tearsThe switch to Standard Time occurs in the fall. Daylight Saving Time is the switch made in the spring.
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if homosexuality is a genetic trait, why hasn't it died out?
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Many people assume its because of [Kin Selection]. The jist of this argument is that having gay uncles, aunts, siblings, cousins etc, increase the likelihood of YOU passing on genes, therefore you will most likely have dormant versions of this gene yourself that you can pass on to your offspring, which may be expressed by them and so forth. However, I am currently reading a book called *The Social Conquest of the Earth* by E.O. Wilson about eusocialty, etc. and he argues that Kin Selection might not be a true representation of evolutionary pressures in people. He offers instead a multi-level system that fuses Individual and [Group Selection] to drive gene selection. I've also heard of other ideas, including [genetic drift], but I am not too informed on this, so I can't be sure TL;DR: The science is still out on this issue, but so far it is safe to say that homosexuality most likely has a genetic component , but the mode of maintaining this in a population is still uncertain.
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Why are fracking companies not responsible for damaged property that is directly related to their drilling?
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The laws allow runoff to happen and don't make the companies for responsible for the runoff responsible. It's really fucked up.
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Why does milk make your sinuses more congested when you've got a cold?
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It doesn't. Mobile now so can't find the source but there was a scientific study that proved it doesn't.
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Why was age 18 the decided age for adulthood?
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Would most people refer to an 18 y/o as an adult though? As you get older you realize, 'holy crap they are still kids'. But it is nice to set an age to where you can legally kick your kids out of the house and not feel too bad. Mostly just an arbitrary number, since back in the day you could get married at 14.My theory is that 18 and 21 coincide with the ages of graduation from high school and college. Nowadays condoms are handed out to 6th graders, and at age 17 and you are considered adult enough to witness the horrors of war and possibly be blown to pieces or burned alive in a tank; yet if you try to buy a beer you and the bartender go to jail. But at age 18 you are considered smart enough to vote. ELI5.
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[Serious] If I apply for health insurance through the Affordable Care program but cannot afford to make payments, what happens?
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Anyone who's health care costs would exceed 8% of their annual income is exempt from the individual mandate. This is to prevent people for being punished if they can't find reasonably priced health care. Furthermore, those at 133% of the poverty level are eligible for medicaid, and anyone making less than 400% of the poverty level gets their health care subsidized.
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How does hunting preserve wildlife?
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Most of the fees collected for hunting pay for habitat. Hunter groups also preserve a huge amount of habitat via private foundations. Many animals have no natural predators aside from humans. When was the last time you saw a wolf more than 300 miles from Yellowstone? Nature will keep deer populations in balance, but it's going to involve a huge amount of starvation in cool years and more deer/car collisions.Because of human influence in the environment some species grow bigger then others. If some predator population is too big it will mess up the rest of the chain. if there is too many deers it will mess up as well, therefore hunting regulates the numbers. nature does this on its own, but not after we fucked up the environment, killing too much of X and Y and introducing A and B on the region.When they're overpopulated there isn't enough food and they can starve to death, thinning out the numbers ensures there's enough food to go around.
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Why is prostitution illegal? If both parties are consenting why is there an objection to those that sell their bodies for sex and those that pay for it?
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Sex, which is usually seen as an individualized and *intimate* expression of love between two consenting adults, becomes a market commodity. There's a tradition of keeping some things off the financial markets, for fear that it'd be used to abuse or totally destroy it's value in human culture by having a market value.~ But a good legal proxy market rates would be porn in the US and the Western World. ~For example, paying for best friends, paying for love, paying for loving parents, selling children , etc etc are things which people don't *currently* put in the financial markets.
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Why does any food that's really healthy taste like cardboard and anything evil like gravy or bacon taste like heaven?
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We are too successful at creating food. Back in the day, when starvation was a huge problem, those fatty rich foods were preferable, because they gave a lot of energy compared to fruit and grains. You may not get a meal in the next 2 or 3 days, so eat the most calorie dense stuff you can. Our bodies prefer it, because for most of human existence, that's what was best for us. Now It's not. Obesity is a bigger problem than Starvation, at least in the developed world.Like others have said, fat foods are not bad. Sugar is. Anyone want to have an interesting read, google "Montigniac"My extensive understanding of diet is that the better something tastes, the worse it is for you. And vice-versa.
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Why do shitty infomercials exist? Surely whoever makes them doesn't believe they work...
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They do work. For certain types of products and markets, that's the best way to sell them", 'The end goal for infomercial products is to generate enough sales/interest to make it to retail stores. Plenty of successful products start out on infomercials, including the George Foreman Grill, shakeweight, slapchop, oxyclean, shamwow, and snuggie. Billy Mays was a very successful infomercial pithcman that got several different products in the retail market.
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Why doesn't the United States print currency that will not enter circulation and use it to pay off foreign debt?
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Foreign debt holders don't necessarily want to be paid back soon. They use that debt to leverage control over their own currency. Injecting cash into the country is done through a lending scheme in which the Federal Reserve buys bank bonds, the banks then use the money to fund loans and mortgages to individuals and businesses. There has to at least be a virtual creation of true and valid value--it is just deferred to the future. It's pretty clever and feels wrong at the same time. EDIT: read jedispyder's comment.
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What does Walmart gain by not price-matching their own Websites prices?
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Well, they likely want you to not visit the store more. That way they will need less employees. Eventually they likely plan to do away with most physical locations that aren't high volume and replace any person they can with automation. The more you buy online, the more they can do this.
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When we are born before we learn any speech, what language do we think in?
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There isn't one. They link images, sounds, and sensations with each other and instincts such as pain, hunger, and curiosity drive the most basic needs. Eventually they start to notice that words are associated with certain things, such as who Mommy is. Ever wonder why nobody can remember anything from when they were a kid? While one is learning a language, you might as well consider this an OS upgrade, from an 8bit console that relies on hard-wired programming to * < insert favorite OS here because I refuse to start a war > *, which can use scripts and be adapted to different scenarios.
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Why is the stereotypical political demographic of internet gaming culture far-right?
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If this is a stereotype, it is only a stereotype in very limited social circles. If you've seen this become a stereotype somewhere, it is probably due to Gamergate. Most people, gamer or not, either don't know or don't care about Gamergate.People who heavily identify with gaming culture will have many traits that make them be more conservative. One of the main factors is that heavy gamers spend a great deal of time gaming or discussing gaming with like-minded gamers. If you spend a great deal of time gaming, it means you don't have as much time doing other things which would make you interact with other perspectives. Group a large number of of these like-minded individuals together and you get an "echo chamber" or "hive-mind" for opinions. This echo chamber does not like to acknowledge change or differences in opinion, reinforcing people's conservative beliefs. It's hard to break out of this bubble when everyone and everything you interact with reinforces it. If the belief is strong enough, any attacks against it just make the gamers opinions stronger rather than question their own beliefs.
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What is the difference between roasting and baking?
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The two terms overlap so much that there is no single agreed-up difference. Formally, you *roast* a solid object, while you *bake* a liquid that is going to form up into a solid when heated. But most people don't know or use this distinction."Roasting" is generally used when the item being cooked has very hot fat *on its surface,* and is being cooked at relatively high temperatures . "Baking" is used when a roastable item isn't coated with or dripping sizzling fat, or when referring to "baked goods" **Roasting** * A solid cut of pork or beef that is sizzling in the oven to form a nice, brown, crusty surface* A chicken exposed to the heating coils or flames in an oven* Small or chopped potatoes, tossed in oil, sitting in a pan set to a high temperature, and forming a crispy exterior **Baking** * Any baked good * A chicken in a covered pan that is cooked at lower temperatures* Whole potatoes, possibly covered in foil, where steaming can occur, and no fat is used English is imprecise when it comes to these words, but you will find that practical usage generally follows the rules I mentioned .
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If mass shootings can be attributed to publicity, why not make it illegal to disclose the name of the shooter?
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Fun fact, which may help illustrate why this isn't that simple: The Ancient Greeks tried this with [Herostratus]. He burnt down a Wonder of the World, the Temple of Artimus, for noteriety. They banned the mention of his name on penalty of death. Even then the name escaped and persisted.The reality is it's hard to tell people not to talk about something, even with the severest sanctions - in a modern democratic society full of technology, it's impossible. . In the end his plan worked - we know his name, and shall most likely carry it to the stars. The little shit.If there was even the slightest evidence that it created other mass murderers, it would not violate the first amendment to ban it. Much like other forms of speech are made illegal when they are harmful or damaging , inciting murder would certainly count. The problem is that there is just no logical reason to believe the name of the killer provides any more reasons for a psychopath to commit murderIn this age of information, it would be very hard to keep that under wraps for very long. But, that said, it would take time to pass legislation like that and, even if we could get something like that in front of legislators, it arguably violates the First Amendment.In addition to the first amendment argument being made, I'd liked to point to the probability that blacking out the shooter's name would likely lead people to attack incorrect targets in acts of vigilantism.
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Why is a high level of wealth inequality a bad thing?
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TLDR: By itself, it's not. Imagine I could flip a switch, and everyone in the world would be gainfully employed enough wages to live comfortable. In the process of flipping that switch, the top 1% of earners would see their wealth triple. Most people would agree, flip the switch. Most people don't care about income inequality unless the entire economy is in a bad shape. At that point, there needs to be a reasonable discussion about how much different classes need to contribute in order to turn things around.
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Shared networks. How can someone sharing an unsecured wifi connection view information from my computer?
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The wifi on your computer is basically a radio, broadcasting to anyone who cares to listen. If the connection is secured, all anyone else will get is gibberish. But unsecured, anything your computers sends to the internet, passwords, credit card #'s, etc., anyone listening can grab those. Now the good news is, most websites will add another layer of security to protect sensitive information, but you are definitely taking a risk.
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How do heroin addicts "run out" of veins?
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Vein tracks: start in one spot on the vein. If it's 'tar' heroin, the spot will develop a sore and not be reusable as another source to pump in vein. Next, user will go above or below the previous spot to find a vein. Develops tracks up the arm, hence 'trainspotting'. Eventually they run out of vein space on their arms and move to between the fingers, inside the thighs, or on the neck, etc. Pretty gross. Addiction is a son of a gun", 'Veins scar with repeated punctures. The superficial veins that are can be reached by the short needles that people use to shoot up eventually become so scarred that blood no longer flows through them. The body has many more veins that are deeper than what can be reached by typical needles and these veins then carry the extra blood that the superficial veins would normally carry.Anytime you damage cells and tissues, you can elicit an inflammatory response and create scar tissue. So when you puncture the same vein over and over again, the body responds by replacing the damage with thicker, tougher scar tissue. This tissue is harder to penetrate with a needle. I've tried to start an IV on a heroin addict and their veins were tougher than their skin. It was like trying to push a needle through the IV tubing we use, which is pretty durable. So it's not that the veins are collapsed, but that scar tissue from repeated trauma makes them tough as leather and smaller.Your veins collapse due to the abuse. Also, you can get build-up of scar tissue from repeated injections. Not only with intravenous drug use, but also from things like donating blood/plasma.
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How can developers advertise for games with CGI trailers that resemble nothing like the actual game looks or plays? What makes it not classified as false advertising?
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Well, if you think it's misleading nowadays, just have a quick look at [how games were advertised in the 80s] When you consider that most 80s games had graphics that [only the programmer could love] actually showing that would often put people off", 'A few of those advertisements use their cutscenes for ad material. Then, it's legal for them to post "Gameplay Material", because while you're playing the game, the footage will pop up. I suspect that this will be the case with the new Battlefront and its commercial.
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why do we use past tense when speaking hypothetically? For instance " I wish I was a millionaire" not "I wish I am a millionaire?"
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'was' is past tense. 'I wish I was a millionaire' says that you wish that at some point in the past you had a million dollars. 'were' is the subjunctive mood. It means that you're discussing something that is not factual.
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Why do people have crazy dreams when they fall asleep again after waking up in the morning?
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You have crazy dreams all the time, but you're more prone to remembering your dreams if you wake up then sleep again instantly. It's a fairly effective way of lucid dreaming.This happens to me almost every morning! I have an alarm go off, then try to sleep for another half hour and always have weird lucid dreamsYou have higher levels of serotonin and less of melatonin in the morning.. Melatonin promotes sleep and serotonin promotes wakefulness and energy. You still have some melatonin left over in the morning so you may feel groggy and able to go to sleep but your brain is producing way more serotonin so your dreams tend to be more vivid and memorable in the morning for those reasons but also mainly because you woke up so near to when you were experiencing them. See You dream in spurts all night but you recall only the ones that had a serious impact and that you either woke up from or were reminded of something from it randomly All I know is a couple weeks ago I woke up from a fantastic dream on a weekend, but I felt it wasn't over, so I overslept like 6 more hours "chasing" dreams by going straight back to bed. It was an epic dream and I couldn't remember any of it the next day, though I did remember the majority of it the day I woke up from it.This happens to me too, but it's usually if I force myself back to sleep.
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Why can doctors to charge more for an appointment if it is being covered by insurance?
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Work comp adjuster here. It's because they know they'll get paid, so they know they'll get laid. If someone doesn't have insurance, they know that person cannot afford medical treatment, so they will give a discount to get something for their services. Health insurance billing is insane.
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What was The Francesco Redi Experiment
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He put meat in jars, half covered with cloth and half open. Those covered with cloth didn't get maggots. Thus he proved that the maggots didn't come from the meat, but from something getting into the jar.
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How does depression work in the brain?
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The 'brain' and body in general is always trying to equalize a 'chemical normal' which is defined in real-time by your static DNA & dynamic RNA signatures. All incoming stimuli to the person is evaluated against long-term memory to match that 'normal' - in order to generate a 'key' which is compared to that person's life experiences of similar events in similar context. Minor variations can also be attributed to your 'waking period' memory, but as implied, these are only relevant to situations learned in the immediate 'awake' period since last REM sleep. That key comparison will return a 'positive' branch if the historical experience has a tendency toward restoring 'normal' metabolic equilibrium.A 'negative' if the experience history is deviating from your 'normal' --- or an undefined state - which generates a new 'experience node' at the junction of those unresolved situations - ready for a new outcome to be acquired and learned into experience. Only the two outcomes are allowed in order to eliminate fence-sitting deadlock of a situation. This process is modified over time by frequency of 'hits' and currency of 'most recent' hit - to develop a scalar response in context with changing reality. **Depression is seeded** - when the keyed experience returns a negative - which in turn keys to another 'negative' node and so on the 'depth' of depression is directly related to the number of negative recursions that occur before a 'positive' or 'new' experience node is reached. Where you go after that - depends on the forward branching of subsequent situations, experiences and nodes. Think of it like a huge 'tree' of life experience. You are born with no experience at 'ground level' and grow outward toward the sky. New 'situations' may fall onto an existing leaf, or branch -- or fall unhindered through to the ground. How the water drop hits & flows down is entirely dependent on where it lands - or indeed if the leaf/branch exists at all! There's another dimension to all this, but the above may help you see the light at the end f the tunnel. good luck!
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Why are republicans and democrats so divided over health care?
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It's complicated. It comes down to 2 issues. First is that the Republicans were out of power and decided to simply oppose everything Obama endorsed. Healthcare was the major first term Obama initiative and therefore the Republicans strongly opposed it. That opposition was so strong that they talked about it ALL THE TIME to the point where we were just before the election. The second issue is a little more complex. One of the fundamental differences between the Democrats and the Republicans is how they think of the role of government. Democrats think the government has a responsibility to care for people. Republicans think people should care for themselves and the role of government is to get out of the way. This can be seen in their policies. It's not that Republicans don't like poor people. They think the best way to help them is to get them working and the best way to do that is to make it really shitty to be poor and really easy for employers to hire them. So Republican policies tend to favor businesses and disfavor giving money or aid to the poor. How this relates to Obamacare is simple. Republicans do not think the government should be guaranteeing people healthcare. Democrats not only think that the government should guarantee it, but also that government should pay for it if people can't.If you mean the politicians, it is because of stupid political BS. If you mean the common man, all social welfare issues come down to two simple question. Should the wealthy be required to provide for the poor? How much control should the government have over individual lives? The answers, of course, vary from person to person. But in broad general strokes, republicans think "no" and "very little" while democrats think "yes" and "whatever it needs to provide better lives".Fair warning, most of the answers you're going to get on reddit are from a very liberal audience.
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What is the difference between PC monitors and HDTVs?
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> but couldn't you get smaller HDTVs and connect it to you PC via HDMI cables and use that as a monitor? Yes, it's exactly what I do, though it's not ideal, since as others have said the pixel size is rather large and it makes the resolution look a bit bad. Saving for an actual monitor now.
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Why isn't every surface of an electric car covered in solar panels?
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Toyota put a solar panel on the roof of the prius for a year or two.It was barely big enough to run the vent fan. Didn't do much else if I recall. The super efficient solar cars that are usually a joint project between a university and a few companies. They are experimental, made of super light weight materials, and barely strong enough to transport 1 person, forget about cargo. Ford made a demo car for CES 2014. A full day's charging only gave you 21 miles of range. _URL_2_
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Why is everyone so afraid of NSA
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If you have nothing to hide, can I see all your sexts to make sure you're not actually talking about terrorism? I just want to live in a country free from terrorists, really!", 'Because it reminds us of the domestic spying of communist governments which we have been taught to criticize, only much worse.how do you feel when someone is standing behind you and watching the monitor while you're on your laptop/computer?
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Why do little kids like sweet flavors so much more than adults do?
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Another factor to consider is the fact that children's sweet foods are limited . For example, a child that can only have sweets after dinner, would probably enjoy it that much more because they don't get it as often as they would like to. The point is, to keep it like a treat, that way they get the happiness along with it, and make the flavour that much more enjoyable.
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How did cats develop an affinity for eating fish if many of them also dislike water?
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Perhaps cat's don't actually like fish more than other food, but it's just that fish smells stronger. We then see cats fawning over fish because they notice it more often.
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Why do people smoke? In other words what do smokers feel when they smoke?
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From the context of cigarettes, they BEGIN smoking for different reasons. It could be to look cool and feel accepted by other friends who smoke, or because it's standard in your society. After a while though, nicotene, an ingredient in tobacco cigarettes, is an addictive stimulant and people become addicted to it just like some other drugs create addiction. If you're a heavy smoker you can go into a 'nicotine fit' - a mood of agitation and restlessness - if you don't get your fix. And like those drugs it can be VERY hard to impossible for some people to quit. There's also a psychological addiction effect where it becomes a routine or a habit that offers some comfort to a person. A cigarette after sex can celebrate that sex. One with your morning coffee calms you down as a part of every day. You feel like having a cigarette while out drinking with friends because it's a standard part of the experience.Ex-smoker here. Modern cigarettes are sticks of pure addiction. When you begin smoking cigarettes, the nicotine receptors in your brain are activated and you associate cigarettes with the slight \'buzz\' you get from nicotine, which includes superficial feelings of stress dissipating, relaxation, etc. Until your next cigarette, you are in withdrawal from that nicotine, and when you smoke again, the withdrawal goes away, and you feel good. Most smokers smoke only to relieve that withdrawal. It's why they "have to" smoke. If it was something they just found pleasurable, they could certainly go a day without it, but that is not the case. Cigarette smoking is a self-perpetuating deathly cycle. Quitting was the best decision of my life.I smoke cigars, never cigarettes. I enjoy the taste in my mouth and watching the smoke itself. It's not healthy but it's not addictive either. It's just a way to relax with a drink in hand.
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Snapple cap real fact # 1003 - If two pieces of the same type of metal touch in outer space, they will bond together permanently.
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I think the scenario needs some qualifying explanations, otherwise everything in the satellites and space labs would become welded together. Astronauts would need to be very careful not to allow any two instruments of the same type to touch which isn't realistic sounding.It's called cold welding. It occurs because metals in space don't form an oxide layer so the atoms don't "know" where one object ends and another begins. It's a very big deal when designing things to go to space, and can be solved a number of ways such as using dissimilar materials or coatingsIn the off-chance anyone sees this: I think everyone is missing the fact that just because they are "welded together" does not mean they form a strong bond. Unless the pieces are extremely polished, on the atomic scale, all surfaces have gigantic peaks and valleys. These peaks/valleys are what cause scratches when two metals rub against each other literally the mountain of harder object ploughing through the other object. So all of that being said, imagine two mountain tips touching together. The slightest rotation would snap them apart. [This picture might help.] Imagine the two objects in the first picture were to touch. That would be a very frail bondCould this happen in a 100% nitrogen environment or would the presence of anything foul it up?', "Wouldn't this make building ships and stations in space much easier?
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Why can't the UK just stop giving the EU money and just leave?
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Generally, when you sign a contract, you have to abide by the terms of that contract and can't just choose to break it. Just like you can't sign a contract to loan money for a car and then just stop paying. They absolutely *can*, but there'll be repercussions.
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Why are lie detectors not used in courts?
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They don't detect lies, they detect a person's reactions to questions. They can be easily fooled and really only work if you think they do.
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Why are house in America built so hollow with drywall and light wood, whereas homes in other countries like india, houses tend to be built with cement and brick? Which is stronger?
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1. Cost of raw materials2. Cost of labor3. Skill of labor4. Technology level and organization in using those raw materials Concrete is labor-intensive, resource-intensive, and requires little technology and little skill to build something sturdy. Building good wood houses out of drywall uses less resources, and less labor -- so why doesn't India do it? Their labor doesn't have the trained skill, and they don't have the technological infrastructure to be producing and distributing drywall and related building systems in an efficient and standardized way that will be sturdy and functional.It also depends on what area. I know down in Florida houses need to withstand hurricane force winds and new constructions are made from cinder block and stuccocement and brick is certainly stronger but also much more expensive, and less user friendly for electric, plumbing, and not very aesthetically pleasing. Wood is plenty strong.Cement and brick isn't the greatest in Cali. The rigidity doesn't play well with earth quakes. Drywall and wood can bend.
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Why does a grease fire get worse when water is added?
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The grease remains on fire. The water just spreads the grease around which also spreads the fire. Don't ever put water on a grease fire. Just makes it worse.
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How do traffic lights work? How are they coordinated with each other and why do some lights stay on for longer when there are more cars?
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Many ways. Older ones may be on a mechanical time, modern ones electronic or computer controlled. Some programmed to act different based on time of day. Some have sensors under pavement, some have infrared sensors pointing down from beside light. Many have strobe light detectors to let emergency vehicles through. Most aren't tied together but could be in more metropolitan area, including ability to control remotely.
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Why I can work a complex job for 8 hours but can't manage any sort of coherent thought after I'm off work and at home...
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If you take a month off, you'll find within your first week that it's because you portion your mental resources almost completely to the work space.
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Are manufacturing jobs actually important, or are they just easy political points?
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They're pretty important. Manufacturing contributes significantly to a country's balance of trade, which in turn influences the value of its currency on the foreign exchange market, which in turn influences the circulation of capital within that economy.
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What advantage can a revolver give over a pistol?
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Revolvers have a much simpler mechanism, and a semi-automatic is more likely to jam than a revolver. Beyond that, it's really a matter of personal preference.
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Why can we hear ourselves think?
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A friend once asked one of our multilingual friends what language she thinks in. This question blew my mind. Turns out it's whatever language she's using at the time, which just seems crazy to me.
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Why do commercial airplanes have to fly at around 35,000ft? Why can't they just fly at 1,000ft or so and save time on going up so high?
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There are many reasons why this is the case. 1. Fuel economy as people said. Lower density air means engines are able to perform much better, as the air is thinner, less fuel is used to propel the flight. 2. Weather. Planes and hail are not a good mix and hail can be seriously damaging to aircraft. Certain wind patterns are seriously problematic to civilian flights and pilots need to go above the cloud cover to avoid these weather patterns 3. Safety and traffic; aircraft are often routed northbound/westbound on odd or even altitudes and south/eastbound routed on different ones. This is due to smaller aircraft not being able to reach higher altitudes and sheer amount of traffic in the sky near congested airports. 4. Distance to the ground is needed in case something goes wrong. A saying among pilots has been 'all you need is altitude, airspeed and an idea' — if you were 1000ft off the ground, and say you start to roll over or engines fail temporarily, you have literally seconds before you crash. Many flights have been saved with more altitude being used to save the plane. 5. Volume above residential/occupied land; flying over Europe or India would be incredibly problematic in terms of noise for residents and communities. These are just some of the many reasons. The primary reason is Number 1, the rest are just reasons against having lower altitudes as a hypothetical.
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Why do some animals reject their young if they are exposed to human scent?
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Smell and taste form the maternity bonding between a mother and a child in the case of some mammals . If the baby loses his scent the mother doesn't recognize it anymore and can be left to die, depending on the behavior of the species/breed. Let's take sheep for example: if labor and delivery occurs in outdoor conditions and rainy weather, the lamb may lost its scent and be left unclaimed by the ewe/mother. In some cases the farmer can take the lamb and scrub its forehead with other ewe's placenta forcing that sheep to recognize the lamb as hers. Or you can raise it as you would with a puppy.
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Why must I enter a CAPTCHA to pay a bill? Are they afraid a robot is going to enter a credit card on my behalf?
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Yes. For the lulz, someone would write a simple bot that would use fictitious credit cards to pay everyone's bills, causing crazy amounts of havoc as the power company tries to reverse the reverses they gave everyone for overpaying on their bills, and figure out how much interest should have accrued when they mistakenly sent out invoices to everyone that they had a bill for $0 because it was already paid for.
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why do I have to "restart computer to finish installing"?
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As someone said, imagine you had a car driving along and you wanted to replace the engine. Well, the easiest thing to do is to stop the car, and put in a new engine, and restart it. You could design the car such that you can install a new engine in the back while the engine in the front is running, and have a device to swap between them, and then you can remove the front. Some operating systems support this sort of updating - but it's much trickier to do properly, so . usually you don't. For most consumers, where turning off and on your computer is not the end of the world, it's not worth the engineering time and complexity to try and make an alternative work - and particularly dealing with what happens if it fails.
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What is Toto's "Africa" about?
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It's about that moment that happens whilst shopping in the grocery store when you realize that, on a cosmic level, suicide's an option: _URL_4_
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If dreams only last 5 minutes and I wake up in the middle of my dreams, does that mean they only happen right before I wake up?
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Don't sorry when you die you realize it was all a psychadelic trip when you look up and see your fellow grey aliens, then look down and see that bong you hit 50-90 years ago
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How do islands like Male survive storms/tsunamis/etc. when they are at Sea Level and packed with buildings/people?
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I was there this summer and our guide told us around 10 years ago there was a giant tsunami around Christmas I believe? He said a lot of people died because the islands in the Maldives are so close to sea level, and that a few islands were completely destroyed. I'll tell you first hand though, the sea walls aren't THAT high at all.
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How do we conjugate verbs in English?
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it's a rule-less cagefight. there are a couple common patterns that many words follow , the rest is anarchy and you just have to remember 6 different forms for every verb
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I had a KFC yesterday with less calories than a healthy home-cooked meal, based on this, why isnt it beneficial just to eat KFC all the time?
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You'd also have to think about factors such as the balance of macro- and micronutrients. Calories in vs. out seems to make sense when weight loss/gain is concerned, but health is not all about it.If you eat at a calorie negative diet you wont get fat. Its probably sensible though to eat a balanced diet for overall health. That said "the twinkie diet" experiment found that not only did the guy lose weight but he had improved cholesterol and blood pressure iirc. Its an interesting question though.
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why is facial hair a thing?
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Old European cultures wore beardes to celebrate masculinity. Not to mention shaving before the advent of disposable razors and caned cream made shaving diffucult and costly. WW1 soldiers were made to shave because a gas mask couldn't hold a seal with a beard. The disposable razor was invented for this purpose.It is fairly simple. Living in an age where it has come to be more acceptable for men to care about their looks, spend money and time on hair, working out, buying clothes etcetera. We need facial hair again to prove our masculinity. TL;DR the word for men without beards is womenBiologically, hairiness is a sign that a man has a strong seed . So my guess is that after we starting wearing clothes there was no way to convey hairiness except on our faces.
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[Gravitation]How did Newton know that the force of two objects is inversely proportional to the square of the distance between them?
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The principle of celestial bodies moving due to a gravitational force that was some formulation of an inverse square law was first proposed by [Ismaël Bullialdus] in 1645. Robert Hooke came to believe in this idea and communicated it in a letter to Newton in 1679. Newton was insightful enough to see that it was essential in relation to gravity - he made enough careful observations to realise that it was the mass of celestial bodies that gives them this gravitational force somehow and he denoted a gravitational constant 'G' to make things balance out in terms of units - although this wasn't actually measured until 71 years after Newton's death by Henry Cavendish. Newton and the people supporting the inverse square law idea before him guessed that it was so based upon fairly simple geometry - thinking of a sphere, it's surface area is given by 4πr². The idea that any force or effect which is flowing out from the sphere to the space around - any flux - that is doing so evenly and equally in all directions, means it will carry the same force/phenomenon spread out over a surface area of ever increasing spheres. Because the surface area is dictated by 4πr², the first two terms remaining constant, any flux must change by the r² term, and it must do so inversely because the strength of flux decreases with greater distance. [This diagram probably makes it clearer than my words.] Edit: The experiment in determining the gravitational constant 'G' performed by Cavendish is briefly described by the enigmatic physicist Richard Feynman in an excerpt from one of his fantastic lectures to Caltech undergrads in the 1960's [here]
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Why is genetically modified food considered a bad thing?
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For the same reasons that vaccines are considered a bad thing .The green revolution was instrumental in saving millions around the world. Genetic modification is the future, and it won't just happen to crops, it's happening to other life forms .There will always be groups that consider genetic modification a bad thing.
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How would life change for the average American if we changed to a socialist economy.
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The definition of a socialist economy is one where the people own the means of production. That means that all the factories, farms, etc would suddenly be under government management. Government bureaucrats would decide what products get made .
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What is electric flux?
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You sound like the type of person that knows how to build a working flying object , light sabers, force fields, or even a way to levitate or fly like superman. You sound like someone I want to become. What did you first start learning or teaching yourself to get where you are today? I started by trying to understand how copper and neodymium magnets work when building a self-propelled generator. Since then it's popped off and I just read what ever I can.
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Why is it hard to like new (to me) music as I age?
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Others have already mentioned about the connection between music and memory. Even if you don't associate a song with a particular memory, you may associate it with a period of time. It doesn't even have to be a good time in your life, but a time which was meaningful for you. Another example of connecting music with emotions is that I often don't care for a song when I first hear it, but I will come to love it if I see it later in the background of an emotional moment in a TV show. This isn't impossible to overcome. I think that many of us get more picky as we get older. As someone else also said, once all things were new and now they just aren't. Spotify is my saving grace there. Easy to flip through new music indiscriminately and find things I like. Subreddits like /r/listentothis is also a great way to listen to things outside your normal preferences.
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Why does multiplying two negatives give you a positive?
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Because the opposite of an opposite isn't not the same as the original. As an example, if I am walking backwards, backwards, then I am walking forwards. If there is a deficit of deficit , then there is a surplus . I hope that I haven't miscommunicated this concept, and that it now isn't unclear. Don't have a bad day. Yours not insincerely,-
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Why aren't we using flash on smartphones or new technology anymore, when it used to be a good option for animation?
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Short answer, it was never really a good option. The difference is that now we've actually got something better.
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How does Hawking radiation work?
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The boundary of a black hole is its event horizon. At the event horizon, the force of gravity is so powerful that the escape velocity reaches the speed of light -- the escape velocity is the speed you have to be moving if you want to escape the gravitational pull. Since nothing can travel faster than the speed of light, anything inside the event horizon can't get out again. Meanwhile, there's a strange thing happening at the quantum level. A particle and its corresponding anti-particle can spontaneously come into existence, given the addition of some energy. If a particle and its antiparticle meet, they will cancel each other out leaving nothing. So it's possible for the reverse to happen: nothing can suddenly produce a particle/antiparticle pair. Normally, a particle will be attracted to its antiparticle, so almost as soon as the pair forms, the particle and antiparticle smash into each other again, cancelling each other out and releasing energy. In the end, it's as if nothing has happened at all. But if this happens close enough to the event horizon, it's possible that one of the pair will disappear past the event horizon while the other, moving at close to the speed of light, flies off into empty space. The pair are never reunited, and so the effect is radiation composed of these quantum particles. The creation of the particle/antiparticle pair needs energy, and it gets that energy from the black hole. Since the pair are never reunited, they don't get a chance to give that energy back to the black hole. According to Einstein's famous equation E=mc², energy and mass are equivalent , so losing energy is the equivalent of losing mass. Thus a black hole -- if it's not gaining mass from, say, a nearby star that it's sucking in -- will slowly boil away.
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What's the difference between alcohol that has only been distilled once versus triple distilled?
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Degree of purity. Distillation is based on the two fluids -- water and alcohol -- having different boiling points. Heat a water/alcohol mix and you evaporate most of the alcohol, *plus a small amount of water*, because a liquid doesn't have to be boiling to evaporate. So now you have a mixture of *mostly* alcohol and *some* water another distillation step will separate them still further.
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How did people make ice before electricity?
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You can burn a combustible, like natural gas or gasoline and use an absorption cycle to remove heat from a place. Exactly like and air conditioning, but without electricity. Nowadays in some rural areas that still doesn't have electricity, people use this kind of technology to cool and conserve food. Here more detail about gas and propane refrigerators:_URL_1_
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If someone were to commit a crime on the moon, what would happen to said individual?
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Most space faring countries legally consider their own spacecraft and passengers to be subject to the own laws, so the general rule is that whenever you go into space you remain subject to the law of what ever country you departed from. Beyond that, generally all space activities are subject to International Law and if a person accused of a crime wasn't charged under some other jurisdiction of a violation of international law, they could be tried in the International Criminal Court. The main issue in that case would be extradition to stand trial, not jurisdiction. For the purpose of this subject, there's no legal difference between being in orbit, versus being on the moon or anywhere else in Outer Space.
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Why do you sometimes get this feeling in the pit of your stomach, sort of like you're embarrassed or uncomfortable, out of nowhere at random times?
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I also get this sometimes randomly. But it's the worst when the phone rings, it always happens then.
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Does anyone on ELI5 have a 5-year old that we can test to see if a 5-year old can actually understand the responses?
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Most of my answers here are basically just me taking things as I've explained them to my daughter and reformatting/rephrasing them to accommodate the medium.
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How do modes in music work?
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Modes are exactly like major scales, except starting on different notes. C Major is C - D - E - F - G - A - B - C. The interval pattern is Whole Whole Half Whole Whole Whole Half. Take the same notes and start on D and you will have D - E - F - G - A - B - C - D. The interval pattern for this configuration is Whole Half Whole Whole Whole Half Whole. Ignore the pattern, focus on the notes, and you'll get it figured out.
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What is so "huge" about the Mayweather/Pacquiao fight, besides the money?
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At this point, nothing. Mayweather was basically a huge pussy for not calling out Pacman at a time when both of them were at their peak, so now that Mayweather actually has a chance of winning they've arranged the fight to cash in on it.
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