Split (3)

train · 279k rows

query stringlengths 8 249	answer stringlengths 45 7.8k
What exactly happens with dissolvable stitches?	To your body, stitches are a foreign substance, and the body is programmed to destroy foreign substances. Dissolvable stitches are made from natural materials, such as processed collagen , silk and hair, as well as some synthetic materials that the body can break down. This allows the body to dissolve the stitches over time. Usually, by the time the stitches are dissolved, the wound is completely healed. Pretty much, they are made of natural materials that your body breaks down until you can't see them anymore", 'Actually, it's a very common "complication" of surgery for your body to not completely dissolve the stitches. This is commonly referred to as "spitting stitches." Basically, the wound has healed up enough to where it doesn't need the stitch to hold it together anymore, but the entire length of the thread hasn't had time to dissolve. So, like any other foreign body, your body will try to push it out through your skin. This can cause skin infections if you're not careful. I had my gallbladder removed recently. They go in through your belly button to retrieve the organ, but the stitches started coming out on me after a week. It looks like fishing line because it is just this thin clear plastic looking thread. I ended up pulling a two or three inch long piece out of my belly button when all was said and done. It ended up being fine though, just a little disturbing. It's not every day you look down and see a fishing line sticking out of your body.
Why iTunes inconsistently "Checks its library", and why it takes so long.	Most likely it is due to improper program termination. I use iTunes everyday and only rarely have encountered the "check library feature" after a crash. You could delete the existing itunesmusiclibrary.xml in the iTunes folder in your music folder and force a rebuild. Good luck!', "iTunes on Mac OS X treats the music folder as a watch folder which is what I would prefer iTunes to do on Win. iTunes on Windows does not 'watch' the folder for changes and uses a library.xml file to remember physical music locations which sometimes becomes incontiguous with the musics actual location. They have incorporated a automatically add to iTunes folder which I do use. After downloading music I paste it in that folder.
How does one sell their soul to Satan?	It's a simple process. Disavow any religion, never give respect to religious procedure or show reverence towards priests, bishops, etc. Make sure not to follow any moral teachings, unless you're just a nice person and you feel like it. Anytime someone tries to proselytize you, openly mock them. Gamble once a week, lie once a day, and steal once a month. Or make it up as you go.
Is it just me, or does the volume actually increase during television commercials?	it's a well known phenomenon. In most cases it hasn't increased in volume - most broadcasters have regualtions forbidding it - but the sound is compressed in such a way to make to make it seem louder, combined with the use of music and jingles which don't have much rise and fall in terms of volume levels
What are the 3 layers of the sun's atmosphere and what do they do?	The innermost layer is called the Photosphere, and it is the layer at which light is released from the inside of the sun, therefore giving the name Photo Sphere. It is about 400 kilometers thick. The next layer is the Chromosphere. This layer emits a red glow due to superheated hydrogen being blasted off into space from the surface of the sun. It extends above the photosphere. The last layer is the Corona. It appears as shafts of white light. The light comes from layers of Ionized gas being shot off into space. This is the layer you see during a total solar eclipse. These gases are what cause the Solar Wind.
Why do pet cats want you to watch them eat?	When cats are eating, they lose their ability to hear. This makes them vulnerable to predators. You are their "look out."', "I have three cats and none of them do this, but I assume it's tied to the leaving-humans-gifts-because-we're-terrible-hunters. Cats living together tend to be social creatures, and you see cats in the wild eating a kill together. It may be your cat is unsure of your food-finding capabilities and is trying to make sure you don't starve
If the average human hearing is 20Hz to 20KHz, why do they sell headphones with higher ranges, like 30KHz?	To get better results at 20KHz. The rules on this subreddit are forcing me to elaborate, but this is the simplest answer. Speakers with a 'response' from 20Hz to 20kHz cannot have a nice linear response across that range of frequencies, and then immediately drop to no output at all at 19Hz and 20,001Hz. On headphones marked as 20Hz-30KHz the audible range from 20Hz-20kHz can be made lovely and linear, with increasingly poor response between 16Hz-20Hz and 20kHz-31kHz, and worse response still outside that range.
What makes some robots move more quickly than others? What are usually the limiting factors?	The faster you want something to move, the more energy you have to give it, and that means more power. Basic physics lesson: Ek = 1/2mv^2 Where Ek is kinetic energy, the energy of motion, me is mass and v is velocity. Velocity is distance/time. P = E/t Where P is power, E is energy and t is time. If you want something to move faster, v increases. That means the object moves the same distance in less time. Based on these equations you can see that because V goes up, so too does E and t gets smaller so P will also increase. If you want a low power device, like say a mobile robot because batteries are big, heavy and expensive, it makes sense to make the device slower.
Is light a particle or a wave?	Neither. Both just happen to be things we are familiar with that approximate the behavior of light in certain situations. Light is exactly what the equations that govern it say it is. That is independent of how you choose to conceive of it in your head, and the true nature is hard to imagine. A lot of physicist like to use the 'wave packet' as a way to think about it but of course that's not exactly right either. As a side note, according to special relativity, from the perspective of light, every photon exists for zero time , so you can almost imagine the universe as a place where charges oscillate and that immediately causes oscillations in other charges everywhere else in the universe.Light is a particle-wave duality. The fact that it behaved a lot like a particle at some points and a wave at others confused early scientists. The current consensus is that light is both a particle and a wave at the same time. it sounds like a cop out, but it has to do with quantum mechanics, and has become a theory in good standing in that regard.I'm not sure if this question has anything to do with the double-slit experiment, but it's worth looking at anyway. [This] has to be the most ELI5-friendly explanation of it So I figure that a similar test to this one may have been done in the past to determine what kind of pattern light creates?
What factors are involved with the decrease in the value of the Canadian dollar?	A very big one is the current drop in oil pricesBank of Canada lowered interest rates. Oil prices dropped recently.When the dollar goes up it means more investors want to buy Canadian dollars. This is usually because of two things: they want to buy things in Canada , or they want to buy Canadian bonds. When the interest rate goes down, bonds are less profitable . When oil prices go down, it's easier to get it elsewhere. All of this adds up to fewer investors wanting to buy Canadian dollars, and a lower Loonie.
Why is hotel internet/cell service always so terrible.	Lots of people concentrated in a small area all trying to use the same resources at the same time. Want fast hotel internet? Try it at 10 am on a weekday . Some hotels also now cap basic service and want you to pay for faster access. So they have "free" internet but it's only about 2-3mb/s. Ditto for cell phones. A few hundred people in your hotel all trying to use the same cell sites to get better internet than the shitty hotel wifi.
Why does eating ice cream leave a weird taste in your mouth that doesn't go away?	Maybe you're just not eating the right ice cream. Twice in recent months I've had ice cream that was awful. It felt like my tongue was being coated in some kind of greasy sludge and left a bad taste. I'm sticking to quality brands with simple natural ingredients from now on.
Why are reheated fries always so much worse than fries you just purchased from a restaurant/fast food place?	When frying, you quickly boil away the water on the outside of whatever you fry by dropping it in hot oil and dehydrate the exterior of it. Normally, there's something starchy there that then forms a barrier for the inside of your food , which then retains moisture and cooks by steaming. As the steam hit the outside of the food, it is again boiled away by the oil. This is why french fries have that crisp outer shell around a moist potato interior. If you reheat fries in a microwave, you will once again steam the inside of it by heating that water up, but you no longer have a protective layer of oil on the outside to boil away the water and keep the outside of it dehydrated. Instead, that crust you built up before can just absorb the water. Baking or heating up your fries in a frying pan will do a much better job of keeping the outside crisp when reheating.
Red, Green and Blue make all the colors for TVs/monitors... Why not Red, Yellow and Blue?	Monitors emit light, so they use additive colour mixing. Paints absorb light, so they use subtractive colour mixing. The primary colours of each process are directly opposed. You have red, green and blue in additive colour mixing because those are the peak wavelengths of the three kinds of cone cell in the typical human eye. You can mimic the mixture of cone cells activated by any visible wavelength by mixing different amounts of light at each of those peak wavelengths. Then you have the subtractive primaries that each remove one of the additive primaries from white light. Cyan subtracts red, magenta subtracts green and yellow subtracts blue.Some TV's do now use RGB & Y although primarily it is RGB. One thing I don't see below is that with Light :All colors = whitewith Paint all colors = Black
why does it hurt so much when we get hit in the nuts?	Because they're important. They have a lot of nerves to tell you "don't break these". Any animal that didn't have this response was at risk to having them damaged, and an animal with damaged testicles is less able to pass on thier genes.
Why is the Wow! signal significant?	Basically: * It's way, way bigger than background, which indicates that it's not a random fluctuation. It's actually so powerful that it would require a source about 1000 times more powerful than any transmitter on earth. Of course, stars and galaxies that put out radio signals are very, very powerful.* It's narrowband, which means that it is in a small range of frequencies, which is similar to how radio works. But it's also similar to how a lot of natural things work.* Its frequency is very close to that emitted by hydrogen changing energy state. Some people looking for extraterrestrials think that this is important because, since hydrogen is so abundant and important in astronomy, civilizations that have radio telescopes would probably monitor that frequency, so they may think to transmit on it too.* It was continuous over the time that it was observed, which means it wasn't a pulse like a pulsar would emit, or changing in power like a supernova might emit.* It has never been seen again, which adds mystery, though seems odd for a purposeful transmission.Because it was a strong radio wave detected from outside of the planet. If other lifeforms were to try and contact us, this is the method that we would expect to be contacted For a little bit more detail and the explanation for why, "WOW!" was written, the signal was exactly what we would expect to find if there was an electromagnetic message sent from an alien intelligence. Trouble is we couldn't find it again.
Why aren't land speed records set by huge vehicles?	> So I'm wondering why land speed records aren't set by huge rockets tipped sideways on wheels. Their are different categories for the different records, all with their own sets of rules and regulations. There is a governing body, so you can't just "build whatever you want". > And in regards of Piston powered cars what is preventing me from making a 600v engine the size of a house and driving it really fast? Mainly the weight of it.Question is invalid because the land speed record was set by a huge rocket sled. They don't make them bigger because there's no point in doing that since it's expensive and they won't learn anything from doing so.
What does it mean to say "my music album is done, except I just need to mix it"?	This means the recording phase is done. Generally, the instruments/vocals that make up a song and album are recorded individually. Mixing is putting these together to make a song, though mastering and other things come after mixing. So an album is a long way from done when recording is complete.
What do they mean by 'corridors' when talking of the MH370 going missing?	I believe the ping delay allows them to have a basic understanding of how far the aircraft is away from the satellite, they know exactly where the satellite was. Not horribly dissimilar to how GPS works, only with one instead of three or four satellites. The other information they have I believe let's then rule out the middle portion leaving you with two corridors.
Why does it seem normal and natural for older siblings to pick on their younger siblings when the parents aren't around? (Ages 1-8)	As the eldest sibling it is our duty to assert our dominance of course. We are unofficially charged with keeping the baby siblings in line when our adults aren't around.
why can Tiger/Lion hyrbids exist and yet no hybrid of a Crocodile/Alligator exist?	Tiger is Panthera tigris, Lion is Panthera leo, and both members of the same genus, Panthera. Being from the same genus means that it's relatively likely they can interbreed .. The American Alligator is Alligator mississippiensis, the American Crocodile is Crocodylus acutus, they are not in the same genus, and are not likely to breed. They only share the same order, [Crocodilian]. To put it in perspective, we share the same order Primate with lemurs. A [Chinese Alligator] shares it's genus with the American alligator, maybe a cross of them is possible, but you would still call it an alligator. Similarly the [Crocodylus rhombifer] and [Crocodylus acutus] share the same genus, and [they do cross breed]
Can I develop a visible jawbone through excercise or is it just based on genes during childbirth?	Nothing is determined "during birth" your genetics are set at conception. That being said, a "strong jaw" is usually tied to testosterone levels during the developing years. Increasing testosterone levels during adulthood may help to define the jaw line slightly, giving a more "masculine" look, but It's not going to create a square jaw.
China's economy is slowing down, producing factories close. Annual growth was last quarter measured at 6,8%. If economie grows, why are factories closing down?	My understanding is that many of the factories took on debt to expand to meet growth demands. The debt accounted for continued growth at extremely high rates. Because the economy has slowed, they cannot make the debt payments that they had predicted based on the previous growth rate. In other words if my business doubled every few years for the last 10 years, & I went to the bank requesting a loan for a million dollars with the expectation that the business is going to double again in another two years, the bank would likely give me alone. However if my growth stops I won't be able to make that million dollar payment and will have to declare bankruptcy. That is how much most all businesses go bankrupt by the way. If they grow slowly and have no debt then they would likely be fine at the current growth rate.
Why is heat red?	The reason you're imagining heat as red in your mind is probably because you associate it with the color of fire or lava or superheated metal. The quality of having high thermal energy doesnt really have a color though.
Who are the people commenting on news sites with extremist views and upvoting them?	Assholes who are well liked by other assholes. Part of the problem is a sampling bias called response bias. The type of people who are most likely to comment are the ones who hold the strongest opinions. Those opinions are unusually extreme, and the only people who respond to them are people who hold equally extreme views. This doesn't hold true for absolutely everyone, but it does skew what you see.
As we grow, does our internal dialogue develop before we can speak, or do they develop at the same time?	Internal dialogue only develops as you learn a language. Prior to that, your only means of communication or perception is through your senses. As babies develop, these skills develop as well, such as preferential looking for example. There are a few tests that are done to determine if a baby can determine the differences between different stimuli, if they prefer different stimuli, and if they are able to differentiate between themselves and their reflection. These things are only observable, we can only determine that babies have developed these levels of perception through their behaviour which is conveyed through looking, touching etc. So, babies cannot use inner dialogue until they learn language; however, they have other means to perceive and understand the world around them.She will definitely have some thinking going on at the time, however language and thought only becomes interdependent, when the child starts to learn a language. Initially children only use language to communicate with others, but later when congitive tasks become more difficult, they will start to develop an inner speech, which is vocal in the first few years of life. This is why you'll hear kids often talking to themselve aloud when performing a task.
How does the spray the ref uses during the world cup work?	I thought they used shaving cream EDIT: apparently this is wrong they use a shaving cream-like substance, from what I can gather it's a kind of foam where all the foam bubbles pop quickly after being sprayed, thus leaving no visible mark.I just wrote a blog article about how it works:_URL_0_ELI5. What is this spray exactly used for in soccer?
Why is it that my iPhone 5s can film at 120 Fps, while my 5D cain only film at 60?	Your iPhone is 8MP, your 5D is 22.1MP. Capturing < 60FPS at that resolution is not only taxing for the cameras processor but also for the storage medium, most cameras actually go down to 3-4MP when doing '120FPS' to achieve this. it is also needless to say that the files that come from the 5D's sensor are MUCH richer in information than that of the iPhone.
- why your breath smells bad in the morning	Hours of sleeping give the bacteria in your mouth plenty of time to reproduce. This is what causes your breath to smell nasty when you wake up.Bacteria reproduce so there are lots of bacteria. Said bacteria eats, poops and dies. Lot's of dead things and poop smell bad.
What is Pokemon Go?	You're basically using your phone to turn the world in pokemon. Using your camera and internal sensors, you can find pokemon and capture them. Different parts of the world will have different pokemon
Why is the skin on your face more sensitive than skin on other parts of your body?	There is a part of the brain known as the sensory cortex. This part of the brain deciphers sensation, so any time you are touched or touching something, the sensory cortex is what gives you this information. The thing is, the sensory cortex doesn't spend its resources equally across the body. There are some parts of the body that it pays attention to more and some parts it pays attention to less. Take a look at a [homunculus]. This is a representation of how the sensory cortex divides its resources across different parts of the body. In the homonculus, the larger the part of the body, the stronger the sensation in that area. You can see that the hands and face are absolutely massive meaning the brain pays a lot of attention to those parts of the body. In reality, your hands are the most sensitive part of your body because it picks up more information. Your face is a close 2nd.
How is all motion relative? Is there an "absolute" motion? What about motion relative to the entire universe?	Motion is relative because in relation to different frames of reference, things can appear to be going faster, slower, etc. So, for example, I am sitting at my computer going 0 mph. But, if you look at the big picture, I have the velocity of the Earth's rotational spin, as well as its speed of orbit. If you are driving 70mph and someone is driving 69 mph, and you try to pass them, it is like they are going still, and you are going 1 mph. You will pass slowly. But to a nearby observer, you guys are going 70mph / 69mph which is relatively fast . Because there is no singular point of the universe in which we could call it 'point zero' and the observable universe is always moving, we must use reference frames to talk about velocity because without reference, saying 20mph is as useless as telling you the party is located at the big blue house - You need more context.
Why is it when you way oversleep, you get a headache?	You might be dehydrated. The longer you sleep, the longer you're going without water. Also, you might be over sleeping because you're sick.
Why can't we generate fake voices as well as we can generate realistic looking CGI?	The benefit of CGI is that you can use it to create scenes that you couldn't easily produce with traditional methods, but it still takes artists a lot of work to do it. Hypothetically, I guess it is possible to engineer a realistic-sounding voice, but there's no point in doing so when having a voice actor is just as good, if not better, likely cheaper, and definitely easier.
When people are sad, why do they want to listen to sad music?	It's like when someone tries to cheer you up when you're sad versus someone telling you how they've been there and know how you feel so you don't feel alone in your troubles, either one can produce positive feelings. It's basically a cathartic treatment, a release to get rid of the sadness you have or take your mind off of it. Where that fine line between releasing the sadness and possibly perpetuating it ends depends on the song, the person, repetition and many other factors. Basically funny clowns don't always work, sometimes it takes a sad clown to make a sad person happy. Source: I think about music and emotions a lot.
Why does rocking back and forth and/or being in a tight enclosed space make an anxious person calmer?	Its close to floating in a mothers womb, it recalls the most basic memories when you had absolutely no concerns at all, and didn't have to do anything, even eat or drink, because it was all done for you. The tight space is the constriction of the womb, the rocking simulates the floating in embryonic fluid.
Do advertisers use annoying sounds in commercials -- like people crunching, for example -- on purpose? Wouldn't this make people hate the product, like it does with me?	Advertisers are not trying to annoy you, but they are trying to get you to experience their product. If they are selling a crunchy cereal, for example, you can't taste it directly when you see it on the television or hear about it on the radio. But by playing a crunching sound effect, advertisers can show your brain that their product is crunchy. And hearing that crunch, like when you would eat it, for most people will create a whole bunch of related thoughts and feelings in their brains. Your brain recalls the other things that happen when you make that crunching noise while you are eating it. And seeing pictures of the food and hearing the crunch together can be enough to make people actually salivate, preparing their bodies to immediately consume that product. And this is what advertisers want. They want you to remember what eating something crunchy is like, and they want you to get hungry while seeing their product or hearing them talk about it. Some commercials get annoying because advertisers have also figured out that sounds and colors that are louder and more vivid than they are in real life can evoke stronger reactions from people. In general, our brains react more to stronger stimulation. But when a stimulus is too loud or too bright, it passes a certain threshold where we no longer associate it with eating. Then it just sounds out of place, fake, and annoying.
Is microwaving food bad for you in any way?	The most damage you could do is nuke it so hard that it burns your hands or mouth. You can't get cancer from it, and you're extremely unlikely to burn yourself by standing in front of it.
Why is it that you never think anything is weird when you are dreaming, it's only when you wake up you realise how strange things actually were?	To be brief, during a dream it's basically your brain taking a rest. So like a computer it shuts off all non-essential functions, and one of them is called the dorsolateral prefrontal cortex. This part of the brain controls things such as memory and judgement. Thus, without this part of the brain "on" you lose the ability to a) remember the real world and b) judge that the dream you're in is weird. On top of that, a dream is only weird because it doesn't usually follow the same laws of science that you're used to in reality. So after waking up it might be weird, but during the dream without the ability to recall the "true" laws of science, you don't think it's weirdThat isn't always the case, but when I have noticed that things were "off" in a dream, it has often segued into realizing that I was dreaming and then either waking up or going full lucid.
Why is pink a girlish colour? When and how did this association start?	Pink was a boys colour back in the 18th/19th century, and blue for girls. It's entirely a fashion thing, led by advertising and the media.Pink was considered a bolder colour suitable for boys. While blue is a softer colour suitable for girls. The current tradition of blue for boys and pink for girls started in the 1940sFor centuries all children were clothed in white dresses which could easily be washed, bleached or pulled up to change diapers. Gender colors were introduced because businesses realized that they would sell more products if clothes were coloured according to gender. For example if all children, regardless of gender, were in white then clothes could be handed down but if parents had a boy and then a girl they would have to buy clothes again to match the clothing colour to the gender. Once the shift to different colours was adopted pink was used for boys because it was deemed a stronger colour and girls were dressed in blue because it was considered more "dainty". Around the 1940's retailers and manufacturers shifted to blue for boys and pink for girls.
Why does alcohol withdrawal give you such vivid, and sometimes very scary, dreams?	Alcohol suppresses REM stage sleep , which your brain adjusts for as you become dependent. Once the alcohol is removed from the equation, your brain still tries to compensate for REM sleep being suppressed, leading to increased REM activity and vivid dreams.
Why are JPEG files still used today when internet speeds have increased which would allow for less compression to be needed?	It is desirable to have compression no matter how much speed you have, since this allows more photos to be sent in less time and stored in less space forever. A popular website may send out the same photo millions of times. It adds up for them. The amount of compression in a JPEG is adjustable, so it doesn't have to be "excessively" compressed.Because speeds aren't that fast My phone takes 15 megapixel photos and compresses them down to about 4MB with pretty good quality JPeg encoding. Sending that picture of 25mbps broadband will take 1.28 seconds which is still a reasonable amount of time. Uploading it at 3 mbps, because we don't do symmetric connections, will take 10.6 seconds Now what if we didn't compress it at all, not even lossless compression? That picture has 8 bits per color, 3 colors per pixel, and 15 million pixels resulting in a 45 MB file. That would take 14.4 seconds to download and 2 minutes to upload. What if you're making a post to /r/DIY with 45 images in a gallery? Do you really want to wait an hour and a half for all of them to upload to Imgur? Or 10 minutes just to wait for the gallery to download so you can view it? Nah, you'd much rather only spend 7.5 minutes uploading and a minute downloading Connection speeds have improved but the amount of data moving has increased to outpace that. We compress things so we can make the most of our available resources, both data storage and time
Where do metal sparks come from?	They are closer to the equivalent of sawdust for wood. They glow due to the heat from the friction of sawing the metal.Thems are just blazing hot chunks of metal that have been cut and propelled away. You may have seen dudes on reality building shows standing in grinder fire, but that is a really bad idea. Its not that you'll catch fire , but those bits of metal embed themselves quite well into your clothing turning you into a big ball of steel wool. The bright fire cools as it flies away but the metal does keep going. If you check out the floor after hotwork operations you'll see all those tiny metal pieces laying about. Also, you can tell what kind of metal is being cut by the type of grinding sparks. Regular steel throws a different fire than stainless, aluminum, nickel copper and copper nickel, for example.
Are D-Waves actually quantum computers?	In one sense, yes. In the most common sense, no. The most famous proposed quantum algorithms, like Shor's algorithm , run on a universal quantum computer. D-Wave is not a universal quantum computer, and instead performs an operation known as quantum annealing. In order for the D-Wave to solve a problem, the problem must be formulated in such a way that it can be solved using quantum annealing. Not all problems can be formulated like that. But for problems that can, it has benefits over regular simulated annealing, like speed.
Why is there an anti-african movement in Isreal right now?	Much like the situation involving Mexicans coming into the US, Israel is having a tense situation with people coming into the country undocumented from Africa. The Africans are coming in part because they can get jobs and be paid much more than they would in other places. Israel has taken some measures like building a border fence. They also have a policy where illegal immigrants can be kept in a holding facility while arrangements are made to send these people back to their countries of origin. There are a whole bunch of issues associated with this, like determining which immigrants qualify as refugees. Some, but not all, Israelis are particularly unhappy with the behavior of the African immigrants because their behavior is viewed as being responsible for a variety of costs, including native Israelis losing their jobs. When losing one's job is combined with the fact that these immigrants are of a different race than most Israelis, that causes racial tension.
Why is the skin of many penises darker than the skin of the surrounding area?	Same reason vaginal areas are darker than surrounding skin. Not only is there increased blood flow in the region, but also greater levels of melanin, which causes dark skin tone. The more melanin, the better one's skin can hold out against the sun and damage. Considering that human males have their first penis on the exterior of the body and would naturally walk without clothing, it's important that that sensitive area be able to avoid damage by the sun. It wouldn't be fun to have a sunburned cock
Why Americans and Brits have different accents.	Accents are a product of who you hang out with, kind of like your hobbies. If 7 out of 10 of your friends like baseball, there is a very high chance that you will also like baseball, or at least know some baseball terms. Same with accents. Even though Americans and Britons speak the same overall language, we have our own local varieties in how we speak. And those small variations get larger over time since we keep hanging out with ourselves. As time goes on, our accents will get more and more distinct This question is flawed because there are many different American accents, as well as many kinds of British accents.
Why is ok to say "your people" but not "you people?	They are similar, but with vastly different meanings and connotations. "your people" means "the people to which you belong". It is often used politely and respectfully. "you people" on the other hand is almost always always followed by a generalization or stereotype. You're no longer talking about the group that the listener is a part of, you're talking about the listener as a part of everyone else in the group in a negative light.It's probably not okay to say either. Depends on the context, but you should avoid going down that road altogether.
How did time become universal?	Well there are different [calendars] that some countries use. Most countries do agree on the Gregorian calendar though and use the others in addition to it. There is an organization called the [International Organization for Standardization] though that helped set the [standard time intervals and week lengths etc for countries.] They also set the standard for many other things such as: dvd/cd's, light sensitivity for cameras, language codes, country codes, types of connectors and [many more things] from machinery to networking equipment and computer coding.
what is actually taking place in your ear when you are experiencing tinnitus? (Ringing in your ears)	There are a variety of causes. One of the easiest to understand comes from damage from things like loud sounds. Your ear has a bunch of tiny hair cells in it. These hair cells each vibrate to particular frequencies or pitches. When one of these is damaged it can't create a pitch sensation properly anymore. One thing that can happen is that your brain is confused into thinking the hair cell is "on" when it's not -- you hear an illusory pitch. Since particular hair cells correspond to a focused pitch this illusory sound is similarly focused. You can also have more internal/neural issues where the signal gets screwed with . Many conditions and medications can do his. And finally some people actually have extra noises being generated in their ears .
Why can't Koko the gorilla just teach other gorillas sign language?	Koko did teach a friend sign language. Koko's gorilla friend Michael, _URL_0_", 'The claims you 've seen in the mass media of animal communication are exaggerated. The science on this issue is very, very weak, and the mainstream consensus is that it may not be much more than the well known "Clever Hans effect" at work. It certainly isn't ruled out entirely, but it is an extraordinary claim, and we have yet to see any extraordinary evidence. There have only been a small number of cases where some researcher or other has claimed they have taught an ape sign language, and all the cases tend to demonstrate certain scientific Red Flags: --Small sample size. Only a very tiny number of apes have even been presented as learning sign language. --Little or no replication of results. Even researchers who enthusiastically claim the effect is real have only been able to teach one or two subjects. --Selective and subjective data interpretation. One of the things you typically don't see in the ignorant, credulous TV news segments on signing apes is that an awful lot of the "signing" they do is nothing but gibberish, and the "good" parts are cherry-picked out. And frequently, an ape will sign something like "purple glbnuxt cookie bucket," and the researcher will oh-so-helpfully inform you, "oh, that's just how he says I want to watch TV." Yeah? Sez WHO? Non-ape intelligence cases such as Alex the Wonder Parrot suffer from similar scientific weaknesses.
How is it physically possible for one-way mirrors to be seethrough from one side but a mirror from the other side?	They are only partially reflective. If you look at a standard window, you can see through but you can also see a bit of reflection in them, especially if trying to peer into a dark room from a sunny outdoor location. One-way mirrors are closer to reflective windows than true mirrors, and they require the observation room to be dark and the observed room to be well-lit. This makes it so very little light shines out from the observation room into the better lit observed room while also keeping reflections from inside the room minimal. Meanwhile, the observed room has much more light both reflected back into the room itself and shining into the observation room. If you were to turn up the lighting in the observation room and/or dim the lights in the observed room so they are at about the same brightness, it would become more like a standard window. And if you completely reversed the lighting, the mirror effect would flip.It has to do with the amount of light that hits it. one-way mirrors are just glass. There's no shiny backing like there is with a standard mirror. Have you ever noticed that at night, if you're in your house with the lights on, you can't see out your windows? They're reflecting. You can see yourself in your windows. But if you were outside your house at night looking in, you can see into your house just fine.
why do so many people film cellphone videos in portrait mode?	Because that's how you hold a phone when doing most other things. It doesn't occur to them or they don't care. It's easier to hold a phone one handed especially with how huge phones are these days.1) That's how people hold their phones 2) They're usually filming something that goes up and down, like a person, or a tree, or whatever, and they feel that portrait orientation makes the subject fill more of the screen, and landscape just adds useless information on the sides of what they're trying to show. 3) People are usually close to what they're filming, so turning the phone on its side gives less framing, top to bottom, and they feel like they're cropped in too far, and don't want to step back 4) They consume videos on their phones mostly, and feel that most other people do too, so if they are going to view the video in portrait orientation, they should film it that way. I remember back to the days when dumb people were resistant to widescreen movies because "They add stupid black bars to the top and bottom and you lose a bunch of picture". It's like that.If they are trying to be stealthy it makes sense, most people don't hold their phone sideways unless they are taking a video.
Why are mobile websites much faster and more responsive than the dedicated App they beg you to install?	Follow-up question: does it have something to do with revenue? Are there more ads on the horrible apps? Good question, OP!I always preface my explanations with this being ELI5 I'm going to try to keep my language as "shapes and colors" as possible because it is how I would want something explained to me. So webpages generally serve you very lightweight content, when you request something from reddit a lot of the work is done on their end. So you say "Hey Reddit" I want a salad, they prepare it for you and all you have to do is take the plastic lid off and eat it. When you install an app, it places much of the salad making process in your hands, such as a salad bar, it also gives you more options to customize it . Another food analogy while I'm at it, web content = buffet, app = that grill part of the buffet where you can choose what you want and they cook it in front of you but it takes longer.
Why does smoking a cigarrete make me have to poop?	Nicotine is a stimulant and has that effect on your digestive system - it speeds up transit time. It's similar with coffee. Interesting related fact: coffee and strong alcohol speed up your stomach emptying, which in turn makes you feel less uncomfortably full, hence why you have these at the end of a massive meal
What did the Marbury vs Madison exactly deal with and why is that case so significant?	The extremely ELI4 version is that Marbury v. Madison established "judicial review" in America: The idea that a court's job isn't just to decide individual cases based on the law, but also decide if laws themselves are in line with the constitution, and strike them down if they aren't. This is a big deal, as judicial review is now 95% of what the Supreme Court doesMarbury v. Madison established the concept of judicial review, or the idea that a court could get rid of a law against the Constitution. Before the US was founded, it was a part of the British Empire. British legal theory was built around parliamentary supremacy, or the idea that nobody could tell the current Parliament what to do - not a past Parliament, not a document, not the king , nobody. Introducing the concept of judicial review became a test of whether the new Constitution really would be the highest law in the land, or whether the new Congress could override it like in Great Britain. And the Constitution won.
WHY do females ejaculate during intercourse?	Actually, I think this is a really good question. [The Truth About Female Ejaculation] > Since 2000, an increasing number of researchers have suggested the liquid may come from the Skene's glands, which are located on the anterior wall of the vagina around the lower end of the urethra. But the truth is we simply don’t know where ejaculate comes from and it’s something that doctors and researchers will continue to study and learn more about over the coming years. > As far as the amount of ejaculate, a woman can release as little as a teaspoonful or a capful, yet some claim to “squirt” a great deal more than that. Some studies suggest that all women ejaculate when they reach orgasm, but instead of the fluid being released from the vagina, it is pushed back up into the bladder when the muscles are tightened post-climax. Hence, some women might experience retrograde ejaculate, while others ejaculate outside the body. [Here's where female ejaculation comes from, and what it's made of] Hope this helps.
What happened in history to associate the Jewish culture with controlling the media?	There literally are many jewish men in powerful positions within the movie and TV business. Here's a short list: Gerald Levin - Time Warner, HBO CEOMichael Eisner - Disney CEO, Succeeded by Bob Iger .David Geffen - DreamWorks, Geffen RecordsAll the Warner Bros. The Weinsteins SpielbergLouis Mayer - Founder of MGMPresident of ABC, Leonard Goldenson*Founder of CBS William Paley A very powerful group indeed!", 'Jewish people were usually the wealthiest, which meant brightest and with the most influence = controlling the mediaYet an Arab man actually does own a significant part of our media, including fix news
Why do researchers who do tests on mice have to comply with strict ethical regulations, and yet it is legal for me to use mousetraps and very painful poisons to remove them from my house?	Research is just highly regulated in that any research animal must be treated with the utmost respect and dignity because its life provides us with valuable information that helps either their species or ours. Pest animals are slightly different in that they have the potential to carry disease, so they must be removed from the home or else you/your family is at risk. Poisons aren't the most humane things, but the snap traps are actually very humane and cause instant death through severing the spinal cord. They actually use snap traps in field research.I do experiments on mice from time to time. The reason is this: ultimately these animals are doing us a favour so it is up to us to treat them as humanely as possible within the parameters of our experiment. Besides, animals in excessively painful situations may potentially confound your results or datawild mice, in your home, represent a disease vector and a threat to your property. They are difficult to find, and often poisons and mousetraps are the only cost effective way to control the potential sanitation and property issues raised by an infestation. Mice in a lab are just captive animals, completely in control of the researchersBecause we are systematically killing animals on a much larger scale than any individual with a pest problem. Often we are using tax payer money to do so. We need to show we are not just fucking around killing things for no reason. Scientific research on live subjects has a bit of a dodgy past and the ethics are as much about accountability of the scientists as it is about animal rights, although that is obviously a part of it. Source: my colleagues do research on mice. I do research on people.Because research mice don't live in your house.
this proof that 1 + 1 = 2	The theorem states that if sets a and b each have 1 element, then being disjoint is equivalent to their union having two elements. The comment at the end refers to how the union of sets is used in their definition of arithmetic. Going through the proof line by line probably wouldn't be informative as it just refers back to other propositions that they've developed, and if you haven't read the entire book before this proposition, you don't know what facts they've already developed. At this level, everything seems obvious anyway. Basically: let a = {x}, b = {y}. By a previous proposition, a U b has two elements if and only if x != y if and only if {x} and {y} are disjoint if and only if a and b are disjoint. The last bit ties this up into the form of the proposition. Each of those if and only ifs are from a previous proposition.
What is cloud engineering?	A very, very high level explanation -Computers, networks, security, and storage can combine all together to make up what is known as a cloud. In a cloud each of those components can grow or shrink based on how much they are needed. Cloud engineering keeps all of those things up and running so companies can run applications like Reddit does. A cloud engineer needs to understand how all of those things work together but may not necessarily control each component. For example, a cloud engineer may not actually control the storage, that may be the responsibility of a storage engineer, but they need to understand when an issue is resulting from a problem with a computer, the network, the storage, etc. There is typically a cloud engineering team supporting this work, not just one person.
Why is the heart associated with the part of the brain responsible for emotions?	I think emotions were traditionally associated with bodily organs such as the heart, from long before modern science determined that emotions arise in the brain. The heart was supposed to be the seat of love.Another example would be the expression 'to have guts', implying that courage arose from the stomach. And of course there is the phrase 'to have balls', often applied to women who have none
Why is the subject of blackholes so fundamental when learning about the nature of the universe?	There are two prevailing theories that rule in physics: general relativity and quantum theory. General relativeity deals with really big or massive things like stars and galaxies, while quantum theory deals with really small things like subatomic particles. General relativity describes gravity, while quantum physics describes the other forces. The problem is they aren't compatible theories, and yet they both, as far as all our collected evidence suggest, are correct. This is a problem. Physicists want one theory that explains everything, not two that are both true but incompatible and incomplete. Black holes are super massive and super tiny; this is where relativity and quantum theory meet. Figuring out black holes will help us figure out how to marry quantum theory and gravity at least that's the idea.
Data Compression. How can information be reduced in size and still be the same?	Let's do this in a really simple, visual kind of way. Here's two ways of expressing the same thing: WWWWWWWWWWWWWWWWW 17 W's. Now, they both show the same thing. But the second takes up only 6 characters , while the first takes up 17 characters The same basic idea is how data compression works. If you've got a piece of information that repeats itself a lot, you can compress it like that.
Why is Hypothesis part of the Scientific Method?	It is possible to gather data with no hypothesis, and then create a hypothesis and then test it . However, most a hypothesis is needed to tell you what data to gather. For example, if I have a hypothesis that protein in the diet affects the fertility of crows, then I need to gather a population of crows, divide them into at least two groups, and ensure that the groups get diets with differing amounts of protein. With no hypothesis, I would never have considered doing that.Science is really all about prediction. Through countless years of study, we are able to relatively easily predict how fast an apple will fall from a tree once it falls. We can even predict whether or not it will bounce. It's these predictions that less us go on to further use the scientific method to describe why and how it all happens. Hypotheses are predictions about what will happen, and without a good prediction, we can't really test if the prediction is accurate or not. We didn't split the atom by poking around and guessing, we made predictions based on our current understanding and tried to use those predictions as a way to create an experiment.If you don't have a hypothesis, then what are you testing? The hypothesis comes about from having learned about something unexplained and then trying to figure out what could explain it. It's the "That's weird, I wonder what caused it? Could it be < hypothesis > ?" part of scientific inquiryHypothesis is "the reason" you're doing the science in the first place
Why Internet Explorer is bad.	Copy and pasting from the multiple [times] this has [been] [asked] [before]: Competition in browsers is good. IE duked it out with the Netscape until they "won" the browser war by giving it away free and bundling it with the world's most popular PC operating system. Netscape went belly up and Microsoft decided to rest on its laurels with IE 6. Since IE 6 was around for so long, applications that utilized its often unique features were coded, and workarounds for bugs that existed in the rendering engine were developed. Malware developers used these bugs to infect your computer just by visiting a bad webpage. Mozilla, and later Firefox became viable and then superior alternatives to IE6. The loss of market share caused Microsoft to restart IE development bringing us versions 7, 8, and 9. Since millions of dollars of IE6-only internal web applications were developed, stingy businesses don't want to recode for standards-compliant browsers when things "work just fine." This large population of users forced to use IE6 made every web developer's job much harderThis has been asked loads of times before, so have a search to get more answers but the some of the reasons are: Slow and sluggish when compared to other browsers, the worst web standard compliant browser, some people hate the fuck it is installed with Windows , and it's quite an insecure browser ', "It's not really bad anymore. It just used to be
Why do some websites tell you that they use cookies and have a 'got it' button, if almost every website uses cookies?	The EU made it mandatory for websites in that region to inform users that they're putting a small file on the users computer, that can be used to track that users browsing habit on that and other sites. Privacy laws are a big thing in Europe, so it was a long thing common. It basically means that you now consent to them doing that, whereas before unless you were tech-savvy, you have no idea. If you're not in Europe, and/or browsing a European site, you might still see it, as it's easier to just make it a global site change, than to filter it depending on where the users are coming from. tl;dr: EU made it mandatory to tell people they're being tracked by cookies, as most people have absolutely no idea what a cookie even is, much less what they do, and people ought to consent to that kind of thing.
How do surfers survive wipe outs on enormous waves?	They relax until the wave lets them go then they head for the surface. By relaxing they don't get an elevated heart rate and can manage to hold their breath just fine. Remember, huge waves break into deep water so you're not going to get pile driven into a reef like at Pipeline and Teahupo'o Pretty much the longest you'll get held down for is 30 seconds so you do have to be in pretty good shape physically
How does something like a coral colony or a Portuguese Man o' War (the animal), which are made out of many smaller organisms, know what shape to take?	Man o'War grow as a stem, like a backbone, that is segmented into buds that grow into a cluster of all three types of the specialized zooids. The stem keeps growing with age, with the oldest and largest zooids at the back, and the stem growing forward with the youngest zooids and new buds at the front. Because of the clustering, it has a repeating pattern of zooids along the length. They're only kind of separate organisms. They're genetically identical and come from one egg, grow off the same stem, and always stay attached. Only one type of zooid reproduces, and the others just sting and eat. It's just that each zooid has a body plan homologous to what some animals use for their entire body. Personally I would say they are a single modular animal. source: [diagram on page 10], and [glossary on page 1]
How does your eye react to small things that you can't see and close on its own.	Your brain reacts to a threat it "sees" before it processes what it has seen. That combined with your body naturally also getting on high alert in this situation help it to respond quicker than what we can physically see. Theres always a slight delay between what is happen and what our brain processes because the nerve impulses have a finite speed; it is very fast, but still not instantaneous. So when faced with a threat, the body first sends a single to make sure the eyes closed, which is more important than knowing what exactly was headed our way.
What can cause stuttering on a person who didn't stutter before?	you might be like me in that you don't know the best way to put what you are trying to say into words because of all the thoughts running through your head. that's my 2 sense
In what sense slower waves carry more energy?	They don't. Perhaps you were hearing a reference to how large waves carry more energy, and in water these tend to be farther apart than small waves.
Why are DVDs region locked?	So that DVDs can be sold at different prices in different regions. Without it, someone could buy the DVDs in a cheaper region, then sell them in a more expensive region to make money. That would force the price of DVDs in the expensive region way down, and the maker of the DVD wouldn't make as much money both by selling fewer DVDs in the expensive region, and those DVDs that they do sell will be for a lower price.
How owning a server machine is useful.	There are several benefits, but it depends on how you want to use it. Here are a few: * You can build your own web site - you yourself will handle and control the contents and maintenance of it locally* You can have a host computer server and buy cheap network clients, that way you only need to maintain one system rather than several* You can have the server automate a lot of tasks on itself and other computers Servers are meant to "serve"', "Owning is not useful at all if you don't use it. It's how you use it that matters. You can serve websites, or run game servers, or anything like that. If you mean why to have it at home instead of renting space from server farm somewhere, you have the hardware there and can do what you want and need. You also have physical access to it, so all the data is in your hands. It's a bigger responsibility, but it has advantages.
Why does dictatorship come with poverty	Because the more money the populace has, the better educated they will be. And the better educated they are, the less likely they will be to put up with a dictatorship. Also, in more affluent societies, there is wealth distribution away from the government, which means that economic pressure can easily be applied to the government. In an impoverished nation, that's much more difficult to do from the inside.
"Light Pollution" and why it prevents us from seeing stars in cities	When there is a lot of light on the ground, some of it goes up and makes the sky look brighter by lighting up dust in the air. And just like seeing a flash light in a dark room is easier then in a bright room, stars are easier to see in a dark sky then a bright sky.For the same reason the sun makes it so we can't see stars in the daytime. The light from light sources scatters off air molecules, and ends up reflecting in a random direction. Roughly half of all scattered light will come back down again, and with enough light bouncing around up there it can actually become bright enough that makes seeing the stars very hard, due to a reduction in contrast.Have you ever seen a one way glass window? The sky is basically that. If the room behind the glass is dark but there are lights on on your side then you cant see through it. It is the same for the day, if you put a SUPER bright light behind the glass pointing at you, your room is lit and that room is relatively darker. You can see the light through the glass but everything else is too dim to see.
Why flies come right back to f*** with me even after I swat at them?	They don't even know what you are. They don't understand the difference between you and an inanimate object. For all they know, your hand swatting them is an entirely different thing from your face or body.
Why were most presidents attorneys before taking office? What is it about the legal profession that creates so many leaders?	Our societies are founded on law; which if you think about it are just promises made by the general population to behave orderly - so to lead a society founded on law & order you have to be well versed in the laws which dictate how society conducts itself. Also the social circles of attorneys and politicians intersect often.Laws are the rules of life and like any game, the better you know the rules, the better you play the game. Pick a simple game like Snakes and Ladders. A simple game that nearly anyone can play. Now something a little more complicated like Poker. More rules to memorize and even unwritten rules to follow. Most people can play but only some will do well. Ready for the next level? How about some D & D? There are piles of manuals and rule books made up for styles of play. Know the abilities of wizards or elves? What you can or can't do? It can get complicated. Only the devoted are going to run their own campaigns. The top challenge? Law. So complicated that there isn't a lawyer that knows every single law. It takes years of study just to understand how to read the rules of life and years more how to correctly apply them. Now getting into politics, you are talking about people that are adding new rules to the game, understanding how they will effect game play, who they help and who they hinder. This is also how you get someone like Trump that has a lot of money who can afford to play the game but has never played the game much before so he spouts on about monitoring Muslims or deporting Mexicans. Legally he can't do that with out violating basic human rights so they rule changes he wants to make will not stand.
What happens in your body to give you a "dead leg"?	Scientific term of a dead leg would be a quadricep contusion. Basically it is your muscle being crushed into your thigh bone. There are two types of contusions: Intramuscular which is a tearing of the muscle within the sheath that surrounds it. This means that the initial bleeding may stop early because of increased pressure within the muscle however the fluid is unable to escape as the muscle sheath prevents it. The result is considerable loss of function and pain which can take days or weeks to recover. You are not likely to see any bruising come out with this type - especially in the early stages. Intermuscular which is a tearing of the muscle and part of the sheath surrounding it. This means that the initial bleeding will take longer to stop especially if you do not ice it. However recovery is often faster than intramuscular as the blood and fluids can flow away from the site of injury. You are more likely to see bruising come out with this one.In the short term it probably just your nerves being overloaded by the impact. They can't effectively send signals to your brain because they have been overstimulated and need time to recover. Bruising is likely to follow, but its not why you can't feel it for a minute or two.
If it's bad for you to eat late at night does that mean people who work night shifts are less healthy?	The eating late at night stuff has been debunked. What actually happens is people who usually eat late tend to gain weight because consume more calories - but this isn't a factor of eating late, but simply a factor of eating _more_.
How does selective breeding work?	We can selectively breed any species that mates. We have made glow in the dark jelly fish and non-venomous snakes using genetic technology, but a lot of people forget that selective breeding began with the dawn of our civilization. We've selectively bred Chickens, Cows, Pigs, Corn, Bananas--everything we eat was selected to be tastier or easier to grow and maintain for humanity. Regarding traits, we cannot create traits from DNA that doesn't exist, but we can see every single trait within a species using our current genetic methods. With that, we can choose which animals mate. If you want an example, we can look at dogs. It probably began where two relatively less aggressive dogs were mated. Maybe the couple gave birth to a dog who is 7/10 aggressive who mated with a 9/10. Over time, we choose mates who would maybe get us down to a 5/10 aggressive dog. This is why it's said that it takes a very long time to domesticate an animal, or sometimes it's impossible due to how central aggressiveness may be to the animal's reproductive success.
With 1:175M odds, and the jackpot being $500M, why wouldn't you buy one of each possible lottery ticket?	You may end up splitting the take, and then you pay taxes. The odds are long, but if someone else winds the pot, then you're splitting $500 million with another person, and getting only $250 million. The government takes 50% of that in taxes , so suddenly you've paid $175 million to make $125 million. Oh, and if you want all that money now, instead of pieced out over a few decades, you take 50% of that, so you're getting $125m even if nobody else wins. You can make more with that $175M if you invest it right, over the next 20 years, than you'd make from winning $500M paid out over 20 years with only a 4% annual increase.
What even is spacetime?	Imagine a picture is two dimensions. Three dimensions is more like the world we live in. If you add time, that becomes the fourth dimension. All 4 dimensions of the 3 dimension environment plus the time factor is described as space time. _URL_0_
Period accurate t.v. shows and movie props.	It depends on the item. Cars and most props can be rented from collectors, that's one way for a collector to subsidize their hobby. Clothes are just made by costumers, old ones would be too fragile. Where can you get it, also depends on the item, from Mecum auctions to eBay, collectors are out there someplace.
Can someone explain to me how compression braking works?	I assume you mean a jake brake. First, start with an engine. Suck, squeeze, bang, blow. * draw air and fuel into the engine* squeeze it* light it on fire which drives the piston down forcefully * push the remains out the exhaust Now imagine an engine with the fuel removed. * draw intake air, without fuel, in.* compress it* de-compress it * push it out the exhaust. So without fuel, you get some air, the piston goes up, then it gets pushed back down. This is essentially an air spring. The harder you squeeze the air, the harder it pushes back. However, just like a spring, you can't use this as a brake because all the energy you add to the air by compressing it comes right back when it pushes the piston back down. A jake brake is a device that opens the exhaust valve prematurely, releasing the compressed air before the piston starts going back down again. Now you've converted the engine into an air compressor, which requires energy to operate . The energy comes from the kinetic energy of the truck, and therefore the truck slows down. Jake brakes work better on diesel engines because they don't have a throttle. Gas engines have a throttle which is closed and won't allow air to enter the engine. Newer electronic throttles and engine computers could allow a jake brake, but it would be a bit pointless.
How can half the mass of some foods be sugar?	Yes, it's a different form in part. In jams and such, much of the sugar is in the non-fruit part itself or soaked into the flesh of the fruit. Taste strawberries from a jam vs normal or dried strawberries. The reason is twofold. The sugar helps to preserve the fruit and keep it from spoiling and to improve it. Along with the table sugar, sucrose, in the jam, there are the naturally occurring fruit sugars like glucose and fructose among other, more complicated saccharides.
Why do hotels call it "continental" breakfast?	It is based on traditional breakfasts held on Continental Europe . It was inherited from our British originsHotel Manager Here: While it has already been answered; in the industry, a continental breakfast refers to a "cold breakfast". It is based off European traditional breakfast of pastries, baked goods, coffee & tea. European Style is another term for Continental breakfast. Continental breakfasts are not always complimentary; but typically are as this is all hotels wish to offer as it is more cost effective and easier to manage than breakfast with prepared food. This is why almost all hotels exclusively have continental breakfasts. My hotel chain also offers breakfast with bacon/eggs, etc, this is referred to by us as "hot breakfast". At our chain, guests must purchase this as a upgrade and it is only available on weekends. Some chains; such as Hampton Inn pride themselves on their breakfasts, and feature "hot breakfasts" included, usually with premium features such as fresh waffles from the iron, etc. While other hotels choose to pride themselves on other features, such as Holiday Inn Express which are known for their great water pressure in their showersOthers have explained that it's from continental Europe. What you may not know is that we island types tend to say "the continent" when talking about the rest of EuropeSee what Key and Peel have to say about it. _URL_0_A continental breakfast normally consists of slices of cheese and cold meat, cereal, fruit and drinks like coffee, tea or fruit juices. Although this is the traditional breakfast in parts of continental Europe, elsewhere these breakfasts are common only in the hospitality sector . [From Wikipedia]', "I'm pretty certain the continental part is about the different food options on offer rather than it being complimentary. Generally continental breakfast means you'll get a wide range of breakfast options from around the world so things like croissants and pastries, yoghurts and muesli, cereals, cold meats, fresh fruit, coffee, tea, cooked breakfast etc.
How do prosthetic limbs work above the elbow or knee?	So in most cases, above the knee amputees actually don't have powered or robotic or hydraulic knees. They are very very expensive, heavy, and mostly experimental. Normal people don't get them. Most use a "free knee", which means they must land on it fully extended so they can weight bear on it. Then when they step onto the opposite leg they use hip flexion to swing it forward. It then kicks out and extends so they can land on it straight. People can get so good at it that only a PT can recognize the gait. This also allows the leg to bend naturally when the person sits . There are many many ankle options out there, from the "runner" foot or blade to the pointed foot for dancers to a regular, nonflexible ankle and foot. With a prosthetic, the fewer moving parts the easier it is to predict and control. All this being said, prosthetics is a rapidly moving field due to all the soldiers coming back and needing innovative solutions.Sorry- didn't fully answer- there are prosthetics- mostly for the upper extremity- that use sensors that can tell which residual muscle you are trying to contract. Users learn how to activate their residual muscles to control the prosthesis.
Why does ice cream taste sweeter after melting?	Your tongue is better able to taste sweetness when the taste buds are not cold. So letting the ice cream melt somewhat prevents it suppressing your tongue's response.
why are humans the only animals that have periods?	Humans are not the only animals that have menstrual cycles. Other primates, some bats, and these little mammals called elephant shrews have menstrual cycles. But most of the time, all the uterine lining is reabsorbed if there is no pregnancy. Humans reabsorb some of the uterine lining as well, but not all of it. Most mammals have seasonal fertility cycles called estrous cycles. Sometimes the estrous cycle will result in bleeding, but it's not the exact same thing as a menstrual period. The reason we lose blood each month is because our uterine linings are much thicker than any other mammal's. There are a few hypotheses about this. One is that it helps shield the mother's body from the fetus burrowing too deep into the uterus. Another is that shedding the uterine lining instead of reabsorbing all of it helps "flush out" any miscarriages that get stuck. Humans seem to have a lot of miscarriages compared to other animals, but it's difficult to pin down how many because a lot of miscarriages happen before the woman knows she is pregnant. [More info]
Why can't Flint just switch their water back to their old water source to fix the problem?	That's pretty much what they're going to do, but right now, there's still a bunch of lead-y water soaking in the pipes, and no good way to scrub it out.
How can pro gamers stream music while playing without getting in trouble?	IT would take the copyright holder of the music to go through the effort of trying to sue them or take legal action, etc. And that would be only if they didn't think it was a good thing for their music So you can go through a massive legal effort to deal with this, for pennies in return and bad PR, or just enjoy that people may find your music and possibly buy the albums etc. No copyright holder is going to bother with these niche people streaming a videogame. They have better things to do with their lives.
Why don't the Palestinians push for enfranchisement within Israel instead of a separate state?	Historically the, Israelis have been more opposed to a one-state solution than the Palestinians. This is because Israel is the "jewish state" and it is perceived that creating one state for both Israelis and Palestinians would compromise this identity. Furthermore, Palestinians have higher birth rates than Israelis, which prompts the fear that they would eventually become a majority. Furthermore, it's not very tempting for the Palestinians to submit themselves to an authority that is currently brutalising them and illegally seizing their lands. It 'd be like India pushing for equal status in the Commonwealth as opposed to independence in the 40's.> with that they would enjoy all political, legal and personal freedoms that they desire. They wouldn't, in any kind of legal status that Israel would give them in such a situation. Jewish Israelis would want to remain the majority in power.What you are talking about is called the [one-state solution]. Plenty of Palestinians do support it, however the main problem is that it will create a situation where the Jews are no longer a majority in their own country, and Israel will lose its character as the Jewish state .
Aside from ethical reasons, why don't citizens physically take over a corrupt government and start a new one with new legislation?	> What's stopping people exactly from physically taking over the government? Two things, one immediately practical, one more abstract . As to the first, the US government--for all its problems--is incredibly well organized compared to the government of Ukraine, and it's got a lot more people with guns it can deploy in its own defense. Popular uprisings only really work against weak governments, and the US government is anything but weak. Not to put too fine a point on it, but what with the National Guard and federal military units on standby, US authorities can probably deploy no less than several thousand highly-trained troops, all armed to the teeth, to multiple locations within US borders in less than 24 hours. That's just not something rational people want to tangle with. Second, the US government--for all its problems--actually does a good-enough job that most people would rather deal with those problems than risk their lives in an attempt to overthrow it directly. I mean, sure, there's inefficiency and some degree of undue influence at all levels of government in the US, but that notwithstanding. . . life is still pretty danged good for the vast majority of the population. Even the very poor aren't generally starving to death. And not to minimize reports of excessive force and police brutality, US law enforcement is downright domesticated compared to some other countries'. In short, when you compare what we might stand to gain by violent revolution with what we stand to lose, even the revolution is successful, most people just don't seem to think that it's worth it.
Why is it that negative emotions can feel...nice?	When you are feeling down, your body does two things. 1 - It tries to reverse this with happy feelings, caused by dopamine and serotonin. People who can't do this suffer from clinical depression. 2 - Because you feel sad, your happy moments feel nicer. If we never felt lonely, then being with friends wouldn't be as nice. If we never felt anger, then compassion wouldn't be as great. If we never felt sad, then laughing would not leave us feeling good. You have to go through valleys and canyons to recognize how tall the mountains truly are.
Why can we take hi-def photos of galaxies light-years away, but yet can only get little pixel pictures of Pluto?	With a pair of binoculars you will be able to view huge skyscrapers from miles away. But you can't see a gnat on a car just 50 yards away. Same idea basically. Galaxies are massive objects lit by the billions of stars within them. Pluto is just a speck reflecting a tiny bit of light from the sun.
So what exactly are Hilbert's Problems?	The problem here is that you're asking for a layman's explanation for something that really doesn't have one. In order to understand this specific problem you need to at least take a short lecture in the basics of group and field theories. Some of these problems however can be explained quite simply , while others cannot.
What's the difference between a theory, a theorem, a postulate, a law, etc?	I'm no scientist or mathematician, but here is my understanding: A postulate is a basic fact that we assume to be true when we build a theory. For an example, one of Euclid's postulates is that for any line and a point not on that line, there will be a line parallel to the first line that runs through that given point. A theorem is something that you prove using postulates. Using Euclid's postulates, we can figure out that if two triangles have 3 congruent sides, the triangles themselves are congruent. A hypothesis is a proposed explanation for an observation. A theory is a general and relatively confirmed explanation for a set of observations. Evolution and general relativity all fit in this category. A law is an ~~analytical~~ statement that has been tested and confirmed many times. They contain constants and are usually expressed as an equation. Theories often contain laws. Ohm's law and the ideal gas law are both examples of a law. EDIT: Whoops; Euclid != Euler
why do humans perceive numbers in a logarithmic way instead of a linear way?	Going from $1 to $8 is a 700% increase, while going from $501 to $508 is less than 2%. It's more about percentages than raw numbers.
In cases where people die of an allergic reaction, why is the reaction the body chooses one that kills you rather than letting in whatever its trying to keep out?	Allergies are a defect in the way our body's immune system works. Because having an extra-powerful immune system mostly kept our ancestors alive against many real threats, evolution didn't weed these people out, so we inherited this problem.

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