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If I sleep for too long, I wake up being more tired | Anything differing from your usual sleep cycle will make you tired. Sleeping too little makes you tired, and sleeping too much ALSO makes you tired, because it's not what your body expects. If you continually sleep for longer periods of time, your body will adjust to that sleep cycle and you won't be tired anymore when... |
Despite the fact Earth consists of 71% water and only 29% land, we still choose to call our planet "Earth". Why is that? | we live on the ground, not the water. if we were dolphins, then perhaps our planet would be called Oceana. |
Why are Mormans and Jehovah's Witnesses considered so bizarre and fringe compared to the rest of Christianity? | Mormons are not even considered Christian by most other Christians because they have a different scriptural text that they use to run their religion with the book of Mormon. It is very similar as to how Christians are not Jewish because we have a different scriptural text that we base our religion on.The Mormons have [... |
How/why do we get freckles after sun exposure? | Common misconception that the sun creates freckles. Freckles are discoloration in the skin caused by larger clusters of melanin-creating cells. This is in turn caused mainly by genetics. The sun brings out your freckles because uv-b rays are absorbed more easily by the cells that create melanin, thus making freckles mo... |
why are music producers such as Mark Ronson or Calvin Harris credited as the artist when someone else sang the song? What differentiates them from other producers? | Music producers like Calvin Harris are the one finding the melody, the music, the rythm, everything that composes the song, and it can be a shitload of different sounds and musical notes, instruments. Most of the time, the singer gets a finished song with no singing in it, and must sing on it, thus respecting the artis... |
Why are the U.S and Canadian prices on the back of books so different? | Generally to account for the difference in the dollar, while there have been times the Canadian Dollar has been on par with or a bit above the American Dollar , in the past it has st at 0.65-.075Just checked, and the exchange is [20.00 USD\t= 26.45 CAD] Cheaper to pay with US dollars |
Why does the reddit website work so well in mainland China? | What you can do to confirm /u/dev000's information is to: Run a ping to reddit: - Open the command prompt , type cmd, then type: ping _URL_2_ Which should give you an output that on the first line has the ip you are resolving to [_URL_1_] Take that ip and plug it into any random ip location website . That should give y... |
Why can we only have so many CT scans in our lifetime, and what will happen if we have too many? | A CT scan is basically a powerful, complicated X-ray. But instead of just catching a snapshot onto a single film like regular X-rays do, it allows for more complicated imaging, and you can even build a 3d computer model of certain organs from a CT scan. As a result of being more complicated, it hits the body with signi... |
Is it possible to improve your common sense and logic | Of course! Start by learning and understanding Logical Fallacies, which are just common, but incorrect thought patterns we all fall into when trying to explain ourselves, or make a logical point. The most common ones theses days seems to be "because my god said so" and/or "because the Bible says so". Both of which are ... |
Why do dogs go alone when they feel really sick or near to die? | Actually, a lot of animals go off somewhere to be alone when they feel sick. I think, though I'm not exactly sure, that it has to do with feeling vulnerable. When an animal is sick, it is weak and cannot protect itself, so it goes somewhere quiet / secluded / safe where it cannot be bothered by other animals. |
How do antidotes against heavy-metal poisoning work (e.g. chelators)? | A chelating agent is something that has a really easy time bonding to a metal, surrounding it, and keeping it from interacting with other things. The agent encounters heavy metals in your tissues, binds to it, and then the resulting agent-metal complex is excreted. |
why do movies go through a period between movie theaters and DVD where they are not viewable anywhere? | Traditionally, once a movie left theaters, people didn't think they would ever see the movie again. With the introduction of home viewing, the delay between theatrical viewings and and home viewings was spent transferring the movie and producing VHS/DVD/BR content for mass production and distribution. Nowadays with the... |
If someone goes to jail for something that later becomes legal, are they then released? | Nothing, they still broke the law. If the law goes into affect retroactively, which is incredibly rare, they may be freedIf it was a crime when you did the act you will serve the remainder of your sentence regardless of future developments.Not automatically. When you commit a crime, you aren't just doing something soci... |
What makes anyone feel confident that there is life elsewhere? | Even if life on Earth is a freak occurrence, that still means that it likely exists somewhere else in the universe too. Let's say there's a one in a million chance that life can exist on a planet. Those odds are pretty low, but there are literally billions of planets. The number of physical bodies in the universe isn't... |
Is it currently possible and what would happen if you broke the sound barrier underwater? | It produces a shockwave just like with air. The only way that I know to do it is to use explosions though. |
If a person is born deaf, how do they think? | > As a person born deaf has never heard their own voice, how do they think? The vast majority of our thoughts are performed without an internal monologue. Language is not required for you to think and function. Other animals manage to get by just fine. > how do they know what emotions are? Emotions are similarly indepe... |
Is it legal for churches to take tithing out of your paycheck? | Check your contract? If your paycheck has a smaller number on it than what your contract says you should be getting, alarm bells should go off. Sounds to me like your coworker is a bit of a conspiracy theorist. Do you have any evidence of this other than what she told you? Ask your boss about it, perhaps.Your advice sh... |
What would happen if you slapped Putin on US soil at a non political event and fled the scene? | The coroner would come to the conclusion that you somehow choked yourself after tripping on the last stair to your apartmentYou’d be arrested and charged with assault and then probably casually poisoned with nerve gas when you thought you were safe', "Well, his security would probably tackle you before you got too far.... |
How do currencies with two versions (convertible and non) work? | Short version: The Convertible one replaces the US Dollar, which is used for imported goods, while the Cuban Peso is used for local goods like food. It is common in Communist countries with price controls to have a weak currency for price controls and another one used for black markets/imports, usually USD. You can thi... |
How much of our total weight consist of fecal matter? | Usually, about 1-4 pounds . Fecal matter is the very last stage of digested food. It doesn't weigh very much because the last stage of food processing in the large intestines is designed to absorb most of the water from the digested food. Since the fecal matter doesn't have much water weight, it doesn't weigh that much... |
What causes some people to throw up when they have a migraine? | Speaking from my own experience with my own migraines. I get ocular migraines, which cause partial to full blindness in my left eye for 20-30 minutes. If I try to carry on like nothing is wrong, I will develop intense motion sickness and a headache that and only be described as placing my head in that hydraulic press y... |
What's the incentive to pay medical bills when they don't effect your credit? | They DO affect your credit when you're paying to the hospital, doctor, etc. they don't report the balance of your debt to the credit bureaus, but if you don't pay and they turned over your debts to debt collectors then the delinquency gets reported and the debt collectors do report debt balance.Even if they don’t effec... |
The philosophical idea behind "if a tree falls and nobody hears it, does it make a sound?" and the answer. | It is trying to illustrate the idea that without perception we can only infer that things happened. The world could behave in completely unexplainable ways outside of our perception, but as long as we don't start noticing faults in the pattern, we presume that the rules we perceive continue outside of our ability to di... |
what effects does cattle raising (and my love for steaks) have on global warming? | In total, a lot. There are several reasons: * The #1 cause of deforestation is to make room for more cattle. Trees scrub carbon from the air, so removing trees is bad for global warming.* A colossal amount of fuel burning happens in order to produce fertilizer for feed, transporting the feed and the meat, burning down ... |
Why hasn’t the United Nations decreed a denuclearization of all 9 countries with nuclear weapons? | Because the UN does not have the power to do this. Such an order would have to come from the UN Security Council, where most of these countries have veto power.To give some background the UN was created to make sure that something like WW2 wouldn't happen again, they tried to create one after WW1 to do the same but the... |
What is the difference between (US) Special Forces and Combat Troops? | "Special Forces" are highly-trained individuals in small teams tasked to perform specific, high-risk missions. They are typically equipped to bring a lot of firepower to a target over a very short amount of time and then leave; they are equipped for "go there, fight, and hold that place for an extended period of time".... |
Why putting salt in cooler of ice water actually chills the contents more quickly. | A thing called freezing point depression. The water with salt can get to a colder temperature before it freezes. Think of it this way, a bunch of kids are outside running around in the snow. When their hands start to get cold, they all hold hands with each other. Now imagine there are some bullies in their midst. The b... |
Why have so many computer viruses been created? | There are numerous reasons why malicious software is created and spread. Here are some: * Especially in the early days of the internet, many viruses were simply a nuisance, showing messages on your screen, renaming folders, etc. So basically, someone had fun with annyoing other people around the world. * Other viruses ... |
How does a "nationwide saline shortage" occur? | A majority of its manufacturing is done in Puerto Rico and the restoration of the island is not a priority for the current administration. It may just be ‘saltwater’, but it’s medical grade and there are very stringent regulations on its manufacturing to ensure quality and patient safety. The facilities must be license... |
Why does smallpox use a bifurcated needle and not a hypodermic needle for immunity? | Most vaccines are injected deep into the skin or into muscle with a dead or otherwise manipulated cells. It gets into your muscles or fat layers, the body identifies it and develops an immunity. Smallpox vaccine is a live infection of a closely related virus which must be thriving for the body to become immune. The liv... |
Why Saudi Arabia doesn't let women drive | From what i understand, the original purpose was for men to serve as protectorate of women; but where laws are abused, these have come to mean "men controlling women" where men were traditionally the ones making laws addressing other men as property owners. So all the laws that were supposed to be protective of women a... |
How does a nail/screw get into a tire? | When you roll over an object with a wide base and narrow top from top to bottom, you tend to push the wide base downward and the narrow top upward, thus having the potential to pierce the tire.From my experience it's mainly the rears that pick up punctures from road debris due to the from tyre flicking the nail/screw i... |
Why do some companies deny certain credit cards? | Credit cards make money by charging a fee to vendors. American Express charges a higher fee than other credit cards. If a store runs on narrow margins, they may actually be losing money from American Express users. That, plus Amex is denied in a lot of places, so Amex cardholders often carry other forms of payment.All ... |
Why am I prompted to update a game that I just downloaded on PSN. Why aren't they giving me the latest updated version? | It is easier to write a patch than to re-write an entire installer, I assumeWhen they originally made the system, they decided not to make it possible to do so. From the start, Steam has had the ability to download games in place without an installation. Updates are merged into the game download, instead of sent as a s... |
Can someone please explain to me what this sentence means? | Your neighbor's house etc are similar to the perfect models but only in abstract modelling terms, which are strictly in the world of model terms. Then there are like set "stereotype" models that other models adhere to, which could be like a house based on a certain building that exhibits a specific architectural style.... |
Someone in ask science asked how long it would take to get to a habitable planet 12 light years away using today's technology. | Some scientists have thought about it and made some studies about what kind of a ship we could probably build in the fairly short term. Fairly short term probably meaning a few decades. Estimates with those to Tau Ceti at 12 light years away range from a century or two to about a thousand years. The types of rockets we... |
What is the difference between streaming and downloading? | With regular downloading, you typically have to wait until the entire download is done before you can use the data, but you wind up with a full copy you can use again and again. Streaming is a form of downloading, where you use the data as it downloads instead of keeping itStreaming is like a library, you take each boo... |
Why would the same medication manufactured by two different companies cause someone to have two completely different reactions to that medication? | Generic drugs or drugs with similar [active] ingredients are intended to be functionally the same. However, the grade or quality of the active ingredient and the fillers can be very different. if the active dose is identical it's possible they are using more of a lower quality/concentration or you are reacting to the i... |
Why did Christianity split up into its various denominations? Do they all have a unifying foundation? | Someone will likely have a different idea than mine, but to me, the only unifying belief between all of the Christian sects is that Jesus was a man, that he died for the world's sins, and that by accepting him as your savior, you can go to heaven after you die. Pretty much everything else is up for grabs. Some sects be... |
Why is "Laces Out" so important for an NFL kicker? | The laces change the way the ball reacts to the kicker's foot. Having the laces facing toward the endzone gives more consistent behavior, feel, direction, and distance. Seattle would be crying on the sidelines if the ball was facing forward and the ball didn't hook.As I understand it has to do with the flexibility of t... |
how wind chill is determined. Is it an estimate since it is how it feels to us compared to how it actually is or is there a scientific way of determining wind chill? | Engineer here. I used to work as a thermal engineer so this question gets me a little giddy, but I'll try carefully to avoid the vernacular and explain this simply. First: for example, if I take a recently warmed hotpocket and put it in an empty room with no noticeable airflow, it will lose heat mostly through a proces... |
Why do we create synthetic elements if they don't last? | We create them to see if they do last, and to see if they have any other interesting effects. If neither is the case, we move on to the next element. The theory is that eventually, we will find a group of elements that are stable and DO last, and we will be able to do interesting things with them. |
Why are some people's laughs more "annoying" than others? | Amygdala activity. The amygdala is a subcortical structure in our brain, meaning it's a brain piece that sits below the wrinkly bit . Subcortical structures are part of what's called the "animal brain" sometimes, because it's the part of our brain that we share with everything down to lizards, the part that controls br... |
What happens if I coated myself in an exceptionally hydrophobic gel, then jumped into a pool of water? | When you jumped in you'd probably be covered in a thin layer of air. This is basically a huge version of the small bubbles that would normally stick to you under water. If you move around enough eventually all of the air will be dislodged and you'll be covered in water just like normal. A hydrophobic surface doesn't st... |
How do amputees move their prosthetics? | I know the most about leg prostheses, so I'll talk on that. Leg amputations come in two main types: above the knee, and below the knee. The prosthesis starts with a socket. This is the part that connects the residual limb -- or the part that is left after amputation -- to the artificial knee and/or ankle joint. So this... |
Why is it a natural human instinct to flail your arms and legs around when jumping freely from a distance, such as a diving board or cliff diving? | By rotating your arms you push your body the opposite direction, serving to try to keep your body upright. Note that people instinctively rotate their arms in the direction their torso is tilting as they fall, it isn't random flailing.It helps with keeping your body stable or orienting into the most safe position, its ... |
How do fingerprints form on humans and why are they different for each individual | > "because development of fingerprints is both genetically and environmentally influenced. All people are born with fingerprints -- we evolved the nifty grooves and swirls on our fingers so it would be easier to grip things. But the way the prints turn out for each person is entirely unique, thanks to a lot of random o... |
Why does laying down and doing nothing not have the same effect on your body as sleeping? | Gotta turn off your brain sometime. Thing is a supercomputer. Sleep is a way for your body to correct minor issues that reside in the brain. Even if you are not thinking or meditating you can never put your brain in the sleep stage without actually sleepingWhen you're sleeping, your brain is doing more than just taking... |
What does it mean to be double-jointed? | It's actually hyper-flexibility of the tendon with an increased range of motion in a joint. But people don't like such wordy definitions, thus "double-jointed". |
Why do certain types of Jewish men wear yamakas, while others grow their curls & wear top hats? | The previous answers have pretty much got you covered, there is some cooler stuff in the details. There are many different varying types of extreme orthodoxy. How do they tell each other apart at a glance? They all have big hats, yarmulkas/yamakas/kippas underneath the hat, long curls , and black jackets. The answer is... |
What is so big about the recent boxing fight? | For you and /u/spartan1124 _URL_1_ _URL_0_ _URL_3_ _URL_4_ _URL_5_ _URL_6_ _URL_2_ Tl:dr They're both big boxers, the best of the best, who haven't happened to fight each other before. They will both get a lot of money no matter what, the fight is pay to view and they organisers will make a lot of money, the fighters o... |
Why does mouthwash sting? | In short, high alcohol content and essential oils- menthol, for example. Dentists actually say that mouth wash has very little value for your oral health and can actually be harmful because it irritates the gums and tongue. |
Why does the sun rise at the about the same time in NY and Miami today, but the sun sets almost an hour later in Miami? | The further from the equator you get, the longer nights are in winter and the longer days are during summer. It's due to the tilt of the planet. |
How do allergies really work? Why are some allergic to pollen, others to certain animals, others to peanut butter, and others not allergic to anything? | Hypersensitivity in the immune system. The body recognizes the allergen as a something harmful or invasive and over-racts to protect the body. It has to do with how the body remembers self cells vs non-self cells . In extreme cases, the bodies response can be very detrimental and cause anaphylaxis. Fun fact: Often, the... |
How come after sitting in a car all day during a road trip, you still feel physically tired when you reach a hotel, even if it’s no where near to your bedtime | Even though it's not physically exhausting, the demands on your attention and reactions are *mentally exhausting*. You think that's bad, try a few hours on a motorcycle. Whew! |
Financing an item with a credit card | Yes, you can put this purchase on your credit card, and no, only paying the minimum won't negatively affect your credit score unless you miss a payment. |
Please ELI5 Fannie Mae and Freddie Mac | Let's see how well I can do this Fannie Mae and Freddie Mac are government sponsored enterprises s, meaning that they were started and initially funded by acts of the United States congress to expand the availability of mortgage funds, loans for houses etc. This was done by "securitizing" these mortgages. Basically bun... |
Why do TV and radio signals have an almost instantaneous transmission time, but Internet signals have delay? | TV is like having one very loud person talking to an entire room, you can all hear him pretty much instantly. The Internet is more like trying to have a conversation with somebody on the other side of a room by asking everyone in the middle to pass the messages between you. Everyone in the chain can communicate instant... |
How can _URL_0_ get away with hosting copyright material the same way _URL_1_ did but got busted for? Nothing seems to have changed. | Taken from the site: > All files stored on MEGA are encrypted. All data transfers from and to MEGA are encrypted. And while most cloud storage providers can and do claim the same, MEGA is different – unlike the industry norm where the cloud storage provider holds the decryption key, with MEGA, you control the encryptio... |
If there was now moon what would happen? | Imagine the moon as a giant mixer for the ocean There probably would not be life because the moon wouldn't have been mixing it all up There would probably be less weather as well since the moon does add energy to the oceans. Also what would the earth be like without light waves? It also helps prevent the impacts on ear... |
How did the ancient man discover smelting of metals from ores? | im sure they figured it out the same way modern man would, throw stuff into a fire and see what happens to it. They threw a rock in and noticed that this shiny very hard material formed out of it. Then once they knew which rocks yeilded these metals they started mixing them together to figure out which mixture would be... |
What's wrong with building pipelines to transport oil? | It reduces the price to deliver oil to the refineries . That means that refiners can pay more for oil and still sell gas at the same price. It leads to higher oil consumption by reducing the effective price. While you might think that low gas prices are good, environmentalists know this means more oil usage, more carbo... |
Why do some Christmas light strings have two wires connecting all the bulbs and some have three? | If a bulb goes out on a 3-wire set, then only 1/3 of the lights go out. This looks better, and makes it easier to track down the bulb that needs replacingThe two-wire stings are wired in [series]; if one bulb burns out/is removed, the entire string stops working. The three-wire strings are wired in parallel, so if one ... |
How do we know that the Milky Way is a spiral galaxy? | First by observing other galaxies in the universe and classifying them by type. Then by examining the distribution of stars in the Milky Way to determine which galaxy type it most closely resembles. The distribution of stars in the Milky Way very closely resemble a spiral galaxy similar to [NGC 6744]. They differ in si... |
How do people chug entire bottles of alcohol (750ml) without overdosing or getting alcohol poisoning? | Most people you see doing that end up in bad shape. They likely start vomiting and pass out. The ones who dont get alcohol poisoning have made it to that level of "ability" have done so through practice. A person develops a tolerance to alcohol just like anything else. Edit: body mass and fat do have a lot to do with i... |
Why is there cooking and storage variety in similar ready meals? | 1) is most likely the best quality/closest to original recipe, but with appropriately short shelf life. 2) is reworked to allow freezing to extend home storage life, but by requiring defrosting prior to cooking provides a better taste/quality than 3) as it cooks more like a freshly made meal. 3) is designed for maximum... |
how artists make money through apps like Spotify or iTunes? | As fas as I know, you as an artist get money from Spotify depending on the percentile over the total plays of any song in Spotify that your creations represent. Or something like that.I've got friends with small groups that have their music on Spotify and they get paid peanuts, if anything.Cool story about a band makin... |
Honestly what's the difference between brand name mouth wash (listerine, scope, etc.) And no named or lesser brand names? (Rexall, life etc) | Typically nothing. They are required to have drug facts on the bottle showing the active ingredients, and if you look at them, usually the generic brand ones have the exact same ingredients that Listerine does. |
Why do phone screens scratch so easily? | they are made of glass. Glass is a type of material that can be damaged pretty easily and shows damage easily. Generally items made of glass are handled carefully and stored in safe locations; however, phone screens must be exposed to use them unless they have clear protectors on them but even then they are not impact ... |
How do people get these amazing pictures of the milkyway? I've never seen anything like them in person. | Cameras possess capabilities you do not have. You can't sit there and conduct a long exposure with your eyeballs, and accumulate the light over several seconds or minutes into a single image. A camera can. This can lead to detail that you can't easily pick out with the naked eye. Beyond that you need *extremely* dark c... |
In college athletic departments' public apparel contracts, such as the University of Michigan's new contract with Nike, how does each party benefit, materialistically, financially, and reputationally? | the school receives free, or cheap products, and possibly a donation to the school. the brand receives advertisement, and the right to make products with the school's copyrighted designs and names. everyone is happy |
Why is vitamin B17 banned by the FDA? | There is no such thing as *vitamin* B17. To fit the common definition of vitamin it must be a substance proven to be essential for achieving and maintaining health. This term "Vitamin B17" applies to the drug Laetrile and the substance Amygdalin which Laetril is made from. Neither of these have been shown to be essenti... |
why U.S. dollar is the main world currency? | There are a few reasons for this. First is the shear size of the US Economy. The US represents 25% of the entire would economy. There is no other country that is even close. The US economy is the size of the 2nd, 3rd, and 4th largest economies put together . The other big thing is the stability of the US. There are no ... |
What happens in the body to cause us to naturally wake up? | In a very simplified manner, you have a sort of clock that is mediated by a chemical called melatonin. Bright light, especially blue, suppresses melatonin production. When your eyes start to see less light, such as at night, you have a spike in melatonin and it makes you tired. While you're sleeping your eyes, along wi... |
Why does YouTube keep recommending me content I've already watched? | It's because of money. Google fears if they suggest something you never seen before, you wont click on it, therefore you wont see any of the ads and Youtube looses money. So by recommending content you have already seen, or content that is highly related to content you have seen, it's more likely you will click on the ... |
Meta: Why does it seem like the same questions get asked every hour? | It's a combination of two things: not searching and there's probably an article in the news or on a popular website that brings up the question. Multiple people see the same thing that inspires the same question. They then either ignore or don't notice the instruction to search, or presume that their question is unique... |
Why do Christians in the US claim to be persecuted? | Christianity has been dominant for so long that a lot of people think that society is supposed to be overtly Christian. So, for example, they feel that Christmas should be a big deal to everyone, even though it obviously isn't. It's what they're used to and it's how they think the world should be. Saying "look maybe we... |
Why don't hockey teams have 600 lb goalies? | A hockey goal is actually pretty big 4'x6' iirc, nobody is *that* big. And hockey players can shoot for areas where the goalie isn't. If the goalie is standing, they'll go for the lower corners or between his legs. If the goalie is in butterfly or otherwise lower down, they'll go for upper corners. Goalies have to be q... |
What is SRS and why does everyone hate it? | SRSers, and tumblr SJWs , are sometimes ironically myopic, for one, referring to reddit as a single entity--which they themselves are part of--which acts to oppress people somehow with upvotes. Also some of the SRS leaders/prominent members do shitty things sometimesThey are the reddit equivalent of a mob with torches ... |
Why does the brain perceive other sounds when listening to a white noise in silence? | It is because your brain is looking always for patterns both in visual and audible stimuli. When you hear a white noise in theory you hear a combination of all frequencies perceived by the human ear. It doesn't matter if there is a pattern in there or not, but your brain is looking for one. And if it cannot find one in... |
Why do Americans pay so much for internet? | In usa the company who has the line to your house can apparently dictate the price. most of europe has some rules that say you can buy your internet from any company from the country and they just rent the cable from who ever did the line to your house. for example there is a fibre by some local isp to my house, i buy ... |
Why does smashing a finger when your hand is cold hurt worse than when it's warm? | Your nerve's become more sensitive in the cold, and blood begins to slow it's flow around the body. The more important organs are prioritized for blood flow, so the hands generally hurt worse. |
how does the nose spray prevent my nose from running? | The active ingredients in that product are xylomethaline and ipratropium. The xylomethaline is a decongestant that constricts/tightens the blood vessels and prevents more blood from getting to the area. This makes your nose feel less stuffy because when you're congested, there is a lot pf bloodflow to your nasal passag... |
Why does my hair turn into an unruly poofball every time I wash my hair? | because you have washed all the oils and products from your hair that was making it lay down. Now it is clean, there is not enough weight on each piece of hair to affect it. It may also be static from your towel and/or the way you are drying itWashing your hair dries it because it removes the natural oils. You might ju... |
why does my house make noises when there is no-one else here? | Lots of reasons - changes in temperature is a big one - materials your foundations and house are made from expand slightly when it's warm, and contract when it's cooler. Temperatures go up and down through the day so the size of materials changing slightly causes them to push and rub against each other, creak and slip.... |
What's the difference between anti bodies and and anti biotics? | Antibodies are proteins produced by the body. They bind to antigens on the surface of bacteria, and signal white blood cells to destroy them. Antibiotics are drugs which directly kill bacteria. They usually inhibit DNA-replication or attack the bacterial cell wall. Recently though, we've started creating artificial ant... |
What of a bomb injures/kills people? | Bombs cause damage from two major factors, the pressure wave and the shrapnel. The pressure wave is created by the hot, rapidly expanding explosive material when the bomb detonates. For example, in ANFO type explosives, the pressure wave is intense , but it is fairly slow moving. So ANFO is used to take down buildings,... |
Even though the thermostat hasn't changed, why does it feel warmer in my house now that spring has arrived than it did when it was 0 degrees outside? | The thermostat is located in the center of your home. The temperature their is the warmest when it is cold outside. As you move towards the exterior walls it is colder. The colder the outside temperature the steer the temperature gradient as you approach the walls and the colder you exterior walls will be. So while the... |
What is happening to my tongue | Your tongue is a very sensative part of your body. Salty things and sour things are like harsh acids/bases that strip away miniscule layers of your tongue and expose fresher layers that make it even more sensative. Sometimes after eating sour candy, or citrus, or vinegar, or salty snacks, your tongue may develop Lye bu... |
How come my vision gets somewhat clearer when I squint my eyes? | You're limiting the amount of light reaching your retina, specifically light from your periphery, so you're receiving a higher percentage of light from that which you're focusing on, allowing your brain to interpret more easily. |
Why do children build forts? | Many aspects of play behaviour are mimicking adult behaviours. Children who built forts, play homes, play schools, or play workplaces are in many ways mimicking what they see adults doing. Part of play behaviour in mammals is for the young to develop and train the physical and cognitive aspects that will enable them to... |
What does Schrödinger's box really mean and what does it represent? | It is a thought experiment that describes a situation where there are two different, equally likely scenarios that could happen but you haven't figured out which one has happened yet. The typical way it is portrayed is a cat in a box with a trap that will kill the cat if triggered. So without opening the box you don't ... |
Why are surgical gloves a good fit but gloves for wintertime always too large for the pinky? | Surgical gloves are designed to keep shit off of your hands yet still provide mobility. Winter gloves are designed for warmth, which is why they have so much more padding and insulation than surgical gloves. Surgical Gloves == Protection Wintertime Gloves == WarmthAs a theatre nurse I can confirm that surgical gloves a... |
If the flu is a virus, and viruses are aren't affected by antibiotics, why are we worried that the flu will become more resistant? | The flu doesn't become resistant to the antibiotics - but OTHER bacteria present in your body do. These bacteria may be present even if they're not there in enough numbers to actively make you sick at the time, some that can resist the antibiotic will survive and multiply, and so you're contributing to the evolution of... |
why do the lines on my digital clock move around when I'm chewing? | It's because the segments are not lit 100% of the time. They actually turn on and off rapidly so, if you move them rapidly, or your line of sight moves rapidly you will see the light and dark periods start to resolve.This happens especially if you are chewing something crunchy, like potato chips. The vibrations are tra... |
The legalisation of Duels in Canada | You would still face the related consequences of a duel. It's more about the removal of an antiquated law. So I guess technically you could challenge someone to a duel and not be charged with a crime. But if you engaged in a duel you could be charged with assault with a weapon, murder, etc. |
What are the mechanisms that tell a plant that the season is changing? | Photoperiod. that is, the length of the day. As the seasons change the number of hours of daylight change, and of course the amount of daylight is something plants pay attention toPhotoperiod, temperature, and rain levels. The first one is the big one this far north because it changes so drastically, but they use the s... |
If you're about to be stabbed/shot in the leg, is it better to tense your muscles or relax? | It's better to relax, as less muscle fibres will get damaged that way. Although the difference will be minute, at best. |
How does the value of a company's stocks impact that company? | The company is run for the benefit of the shareholders, who own it. The value of the stock doesn't benefit the company, but is the product of how well the company is doing. Executives often get paid in stock, and when the stock value is doing well, the shareholders will approve raises and bonuses for the company execut... |
What makes things like glue and honey so sticky? | From a purely physics standpoint, the internal forces -viscosity forces- of the fluid in question are really strong even compared to gravity and you shaking it off: imagine the molecules of your fluid not wanting to separate from each other. This makes it adhere to other materials because of said force and therefore yo... |
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