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Why does hot water look cloudy sometimes? Why would hot water from a faucet be cloudy, even tho it's crystal clear when cold? | There are more dissolved gasses in your hot water than in your cold water. The water is under pressure in your faucet, but the moment it comes out, the pressure drops to atmospheric pressure, and the gasses begin to bubble out of solution.It may be due to reduced solubility of calcium carbonate with higher temperature.... |
When life forms left the ocean at what stage did cold blooded lizards split from warm blooded mammals and supplementary question, why did lizards evolve in to huge dinosaurs while the mammals stayed small? | Natural selection; sometimes it's beneficial to be cold blooded and sometimes it's beneficial to be warm blooded We do not currently know if Dinosaurs were warm blooded or cold blooded. Last time I heard they were probably warm blooded. Reptiles and Mammals separated from a common ancestor of the Chordata phylum. |
"Part of this balanced breakfast." | No you're misunderstanding a basic use of imagery to describe something. They show you all that food as what is part of a balanced breakfast. All those items are part of a balanced breakfast. Nobody is expecting you to eat all that and drink full pitchers of milk as part of a balanced breakfast. Its for visual purposes... |
Why do hotels sell the same room for different prices? | Generally the same rooms at the same time are the same price. The same rooms sold at different times are often different prices. Time is a component in selling hotel rooms Hotels may also list the same room on multiple online sources at different prices, depending on how the specific setup for that online retailer is S... |
Why are only certain areas of the body (Bottom of feet, Armpit, Ribs) ticklish, but others are not at all? | I've heard it's a way to practice fighting. Those areas are vulnerable, and we need to know how to defend them. |
Why is "You're Welcome" a response to someone saying thank you? | "Thank you for your kindnessYou are welcome to my kindness, good sir." What you're welcome to is whatever you're thanking them forYou are welcome to that assistance. Slightly different meaning of welcome. Kind of like "you're welcome to share my food" meaning of welcome"You are welcome to sleep over tonight"Oh really? ... |
According to Wikipedia, the Iraqi Army has a massive 283 000 active personnel. Why then, can they not defeat ISIS? | [De-Ba'athification] in the early stages of the Iraq war ended up firing many career officers in the military, some of whom had experience fighting the Iran-Iraq war, Kuwait, first and second gulf wars. So most of the officers themselves are inexperienced, the rank and file soldiers don't really want to fight, and only... |
How do search engines find and index websites? | Search engines run applications - called bots, robots, crawlers, etc - that go out onto the internet and look at a particular page. They make a note of all the other pages that one links to, on the same site and on different sites, and mark those for visiting in the future. They extract all the relevant information the... |
why do carbonated drinks explode in the freezer? | All drinks will explode in the freezer if there isn't enough room for the water in them to expand when it turns to ice.Any closed container of liquid will explode if left in the freezer too long. The liqued will expand, increasing pressure on the container until it rips open spreading liqid over everything |
Why does the sight of a rat repulse me, while squirrels, who have the same basic size and shape, don't bother me and are even cute? | Well squirrels generally don't traffic in your filth, being mainly arboreal rodents. Also a lot of people get turned off by the naked tail vs. big fluffy tail", 'No expert here, but i would assume that due to the fact that rats have carried some of the most contagious diseases in history i.e. we are now naturally, inst... |
Why is it that when we get struck by lightning, the rubber in our shoes doesn't stop the current like the tires on a car do? | Because the tires of a car don't stop the current. Lightning actually flows around the outside of a car, and the majority of the current jumps from the car's metal cage into the ground below.The tires on cars are conductive as they are impregnated with graphite. A car protects from lightning by conducting it through th... |
What is the difference between schizophrenia and thinking to yourself? | Schizophrenia is a serious mental disorder that is characterized by abnormal social behavior and an inability to distinguish what is real. Hallucinations are a symptom of schizophrenia but the two are not synonymous. Having thoughts is also not at all the same thing as hallucinatingWith schizophrenia you have no contro... |
If money is considered speech why would I get in trouble for "talking" a prostitute into having sex with me? | I'm not sure I understand the question. Legally speaking, money is not considered speech. This is why vice cops have to get evidence of of a client actually paying for sex. If you have sex with a prostitute without an exchange of money, then she isn't prostituting herself to you. An act of prostitution requires payment... |
Quasars and their role in the universe. | a "quasar" refers to the center of a galaxy that releases a lot of energy. It's generally agreed is\' an extremely bright area around a super massive black hole in the center of the galaxy. As stuff gets pulled into the black hole it heats up an immense amount and that's the light that we see before it falls in for goo... |
When babies learn to walk, do they simultaneously learn to walk backwards as well, or do they have to learn how to do each separately? | Humans have a preferred direction of motion, which is forward. This is both most necessary and easiest for us. It's even easier than standing still. Babies will learn walking forward first and then gradually expand their abilities. It's not like even adults are that good at walking in other directions. |
How does digital radio transmission of radio signals work and how is it different to fm/am? | AM is amplitude modulation. The transmitter of a radio signal at one frequency has its power modulated from zero to maximum based on the sound waves received by the microphone. The radio receiver filters the signal and uses it to power an amplifier connected to speakers. FM is frequency modulation. The radio transmitte... |
Why do my lips get dryer and crack more when I lick them? | You are licking the natural oils out of the skin of your lips. Transferring the moisture from your tongue in place of the oils and that evaporates drying out the skin. IT also is the air, and the colder the temperature the easier it is for the moisture and natural oils to evaporate into the air.It's really the air. Col... |
How did science prove that homosexuality was normal and not a mental disorder, thus removing it from the DSM? | To be a mental disorder it has to be inherently detrimental to someone. Homosexuality is not. It only becomes detrimental when you put artificial social constraints on a person.It might be helpful to flip the question. How was it decided that homosexuality was abnormal and should be placed in the DSM? The reason that h... |
What is a reverse mortgage? How does it work? | The bank sends you money every month, depending on the terms you work out and based on what your house is worth. Then, the bank owns the house when the last person on the contract moves out or dies. Then they can sell it and get their money back. Hope that helps. And this isn't universal, but it's my general understand... |
"Everything was better when I was a kid" | Because when you were a kid, you were largely unaware of the problems of the time.1) Things were pretty great. For a few years you had someone wiping your butt for you. Try getting that kind of service now. 2) Nostalgia is an natural result of memory. We don't remember things as they happened, we remember them as we la... |
How my cat knows I'm in a bad mood? | How do you act differently when you're in a bad mood than in a good mood? Are you more likely to sit quietly, or for a longer time? Your cat can pick up on non-verbal cues from you that it's a good time for some lap time, even if not the particular cause. On the other hand, studies have shown that many kinds of animals... |
What exactly did Ronald Reagan do that causes all republicans and christians to love him so much? | Ronald Reagan was the first US president elected after a change in the American electoral system. Prior to the change, candidates were selected in 'smoke-filled' rooms, where the party leaders picked a candidate they thought would win. Ronald Reagan was the first president to win a Primary. He did it on the back of a n... |
CGI (Common Gateway Interface) | In the early days, web servers could only serve static pages - HTML documents, images & other files. There was no way for them to actually do anything dynamic. A few people had custom web servers written up that would let you attach them to scripts/programs & generate dynamic pages but there was no real standard. CGI w... |
What did Debbie Wasserman Schultz do that has a bunch of people calling for her resignation? | To explain the chairperson's actual job: The chairperson is responsible for running the day-to-day administration of the party; directing outreach, fundraising, and advertising to get important party candidates elected; and unifying the party behind a platform of values and ideas. So they're basically trying to make su... |
how is information transmitted wirelessly? | Wireless and Radio are the same, they're both transmitted through the air as radio waves. A radio wave is essentially a form of light, but the wave length is so long our eyes can't detect it. You may not know it but our eyes can only detect a tiny bit of the total spectrum of light. [This] picture illustrates how littl... |
What would happen if an organism had two Y chromosomes? | It would completely depend on the species since not all organisms have sex regulated the same way. In humans, the X chromosome contains some important genes that are not present on the Y chromosome. As a result, a YY human could not develop. However, it would be possible to have a XYY human. This could happen naturally... |
Why does it seem the max up votes of most submissions hang around 5-6k on the frontpage, regardless of subs that have millions of subscribers? | Common question, search here, r/help and r/theoryofreddit, your search terms should be upvote or karma tl;dr visible upvote score and actual upvote score are not the same. Reddit manipulates the visible score for content management, and to prevent mass upvote/downvote attacks |
how do network service dead spots work? | Your specific example is most likely due to the construction of the house. Cell phones use radio waves which can be blocked or reduced by lots of different things. In a house, the most likely culprit is plumbing but even things like walls/floors/roofing can block enough of the radio signal to interfere with high demand... |
What happens when a person overstays their visa in a foreign country? | Many places don't do anything until the next time you apply for a visa. They check to see if you've ever had one before, look up the dates, notice the overstay, and deny giving you another one. |
Why do bottles of soda bubble like crazy when the cap is on, but stops soon after the cap is screwed back on? | The gas is in solution and can only escape the liquid if the pressure is lowered by giving it all the space it needs to expand. Putting the cap back on leaves the gas with no where to go. |
How do you acquire a taste? | I wouldn't like to drink beer for Beer pong. Really, we had the shitty beer for all our games. Through constant drinking and associating it with great times with friends, I started to really like shitty beers. On the other side of that, I really hate jack Daniels cause the one time I threw up ever, I had been drinking ... |
What happens in our brains when we momentarily forget something then it pops back up later on? | The best answer I can give you is a CS idea called stack overflow. Basically, the brain has a "shelf" of information called short-term memory, and you store things you need to remember on that shelf. But, that shelf isn't infinitely long, so if you try to put too many things onto it, it'll overflow off and you'll forge... |
How do they get the bubbles inside an Aero bar? | When milk chocolate is hot enough it becomes a thick flowing liquid. The manufacturer then pumps it with bubbles of air and whisks it to keep the bubbles distributed. afterwards it is poured into a mold and quickly cooled to harden the chocolate. finally the bar receives an extra coating to give it a clean exterior. |
Global Warming and the Green Zone(please read more than title) | You're not uncovering land that has soil with the necessary nutrients and broken down soil that allows plants to grow. You're uncovering barren rocks and what soil there is doesn't have any nutrients. Also for the most part what you are doing is:1) uncovering water that is blue-green and absorbs much more heat from the... |
How can Tequila lower blood sugar if there's sugar in it? | Really, any alcohol can lower your blood sugar for 2 reasons 1) Your liver is what processes alcohol in your body. Your liver is also what creates glucose for your body. So, if your liver is spending time/energy processing the alcohol in your system, it is spending less time/energy creating more glucose for your body. ... |
Why are so many elevators operating in a seemingly inefficient algorithm manner? | An elevator traveling from the top has the potential to pick people up along the way and it won't needs to send a second elevator up for them. |
How does a mobile phone vibrate? | A small electric motor has a weight attached to its axle, the weight is [mounted to off center] so that the motor will shake when turning quickly. Note: normally mechanical engineers try hard to balance turning masses accurately, because imbalanced masses cause vibrations that then cause additional wear and strain on a... |
How does a feedback loop in the brain between neurons affect a person in real life? | Feedback reduces or enhances a stimulus. Positive feedback enhances a stimulus, but will eventually come to an end. Child birth is a good example of positive feedback. The body creates conditions that would usually be considered abnormal, but are necessary for that particular action. An example of negative feedback is ... |
What are the little rock things that form near our eyes in the morning ? | Throughout the day you get tiny bits of dust on your eyes. Your eyes produce mucus which is used to remove these bits of dust by coating them in layers. They get washed out of your eyes by your tears and deposited in the corners of your eyes to dry out. |
When immigrating, how is your credit established? Do you need to start from scratch or is your credit history transferred with you? | Your wealth will transfer with you assuming you can get the money/goods out of the country you are immigrating from, but unless the country you are moving to has some kind of economic deal with your previous one your credit will not transfer and you will have to start over. Now depending on your wealth and job that cou... |
Why don't guns in most video games sound like guns in real life? | 1) people already have a expected "gun noise" from movies . 2) nobody wants to wear hearing protection / go deft from playing video games.Because guns in real life don't sound cool enough.You want the truth? Your crappy speakers can handle the truth!', "Halo 2 used actual gunfire for the sounds of their human weapons. ... |
Why do height deficient people have normal genitals where as they have small hand and feet. | Not an expert on the subject, but IMHO the explaination is simply that your genitals are not bones, they are muscles, fat and tissues. therefore any genetic characteristics that would lead you to have small bones does not necessarily transfer to the size of your penis/breasts/vagina |
Why would you jail someone for not making child support payments, if they definitely can't make payments from jail? | To punish them. If they're already not making payments, putting them in a situation where they're not going to pay isn't going to mean you lose anything. Any jail is hardly the first response; you really need to mess up, bad, to go to jail for this. |
How Do People Die of Starvation? | > Why is it even though they're consuming food after the hunger strike, they still die of "starvation"? This is caused by something called [refeeding syndrome]. In a nutshell, reintroducing food into your system after a long period of fasting causes your body to ramp up insulin production. This kicks off several metabo... |
- How ring species is evidence of evolution. | Imagine a 12 hour clock and at each hour number is a little environmental niche where some population could settle and breed and evolve. Now at the beginning there is only a breeding and evolving population at 12 o'clock. Eventually some brave souls make the journey over to 1 o'clock and start breeding and evolving. Ev... |
How does intuition works? | It is kind of like how you can train a chicken to play tic-tac-toe. The chicken doesn't really understand what it is doing, but it does know that certain behaviors lead to a good outcome. It picks the right squares, it gets fed, happy chicken. Humans are the same way. Through trial and error, we learn a street with few... |
Why do we like certain phenotypes? | Did you grow up in a neighborhood/school system that had a lot of Mediterranean women? Because I've heard that we become attracted to the kinds of people that we see as we undergo puberty. i.e. Michigan has a lot of German/Scandinavian descended women. I grew up there, so I find those women more attractive. |
How do TV series and movies make money from viewers on Netflix? | Netflix pays to have TV shows and movies on the service. This is why they come and go. When the owner of a show asks for too much money, or wants to do their own streaming service , the shows get removed. This is a big reason why Netflix pushes their own programming. It doesn't cost them anything to provide them on the... |
Why is it easier to read on paper vs. a screen? | Here is a link to an article describing how a University of Stavanger concluded reading comprehension was higher with paper-based text than with computer screen. Perhaps this also raises editing proficiency? _URL_0_ |
How do white blood cells teach each other when identifying new threats? | White blood cells don't really “teach” one another about threats. That's what the *thymus gland* does, and it's much bigger in young humans and other animals because it's still “teaching” the immune system about threats. It shrinks with age because there's less to teach. |
why trains that use maglev do not break the conservation of momentum principle? | They don't break it. And yes, the Earth gets pushed in the opposite direction However, the Earth is massive and doesn't budge much. Maglev or not this makes no difference", 'Why do you think they break conservation of momentum? Just like a car pushes back on the earth, a maglev pushes back onto the magnets that propel ... |
Why is Germany taking so many refuges? | As is the case in most "Western" states, our population is shrinking, yes. But we're not planning on keeping them here, really. So mostly we just feel obligated to help refugees in general, as humans, as one the richest nations, also at least in part because our older generations, those people that are in power, still ... |
What happens to positive equity if a car gets repossed? | I worked at a "Big 3" car finance company. Laws can vary from state to state , but in most cases the value is far less than the equity. But it is true that if there is positive equity, it would go to the customer. Vehicles are not "flipped" per se, they are usually sold at auto auctions, and purchased at wholesale pric... |
Why is marijuana still illegal in the US? | A combination of private prisons lobbying for continued prohibition , over reacting fundamentalists who buy into the propaganda, and an unwillingness of elected officials to appear soft on crimeA number of large industries have lobbied government and have paid millions to keep it from being legal. Has just now become t... |
The (just past the) basics of mulitplayer RTS... | *Tank - a unit that can absorb lot's of damage, like roach, immortal, or ultralisk . *Dps - are damage per second i.e. how much damage can a single unit deal given time. *Healer - something that heals other units, like medivac or priest. It's a support unit. *Ranged, melee - whether a unit needs to shoot or whack an en... |
How does almost every person I see afford cell phones and service in columbia if the poverty is so high? | Cell phone and internet service is often drastically cheaper in "third-world" countries. You can get a cell phone plan for ~$10 USD/mo. or less. They can be a great aid to business and personal life and as such are often treated as a priorityIn many 3rd world countries, their cell phone is their only device they have n... |
How can companies like stub hub charge the buyer AND the seller fees for resale tickets | StubHub states that this is how they operate so they're not lying or hiding anything, and they are providing benefits to both sides of the transaction, so why shouldn't they charge fees to both? No different than buying a stock when you buy, somebody else is selling and both have to pay a commission to their brokerage ... |
- Activated carbon and its ability to absorb smells | Activated charcoal or activated carbon is carbon that is [filled with holes], like a tiny sponge, which gives it a massive surface area for it's volume. The surface binds with many oder chemicals because of van der Walls force which is the same thing that allows geckos and spiders to climb up many surfaces, no matter h... |
Why do we feel that our body is freezing when we are waking up early in the morning during winter? | Your body's temperature drops as you sleep and is the coldest before you wake up. As you wake up your body naturally warms up. |
Why does the electronic staticy sound my TV (which is hooked up to my computer) makes change when I open programs, go full screen for videos or cycle through firefox windows? | does the cable connecting your pc and tv have a ferrite bead on it? _URL_0_ you are hearing 'noise' generated by the electronic circuits in your system leaking into the audio amplifier in the tv. when you ask the computer to do something different parts of the computer spring into action, the cpu, hd, ram, etc and they... |
the situation going on at Mizzou | I second this question. I've heard the stories on NPR, and done cursory web searching, but I'm not seeing what the deal is. 1) Somebody allegedly yells racist comments. 2) Swastica in feces in a bathroom 3) ???? 4) President forced to resign I mean, it sounds like there's gotta be something else going on. Some vague in... |
why we never hear about terrorists from the country with the highest population of Islamic people. | _URL_0_ _URL_1_ _URL_2_ Because Indonesian terrorists are focused on terrorism in Indonesia. Aside from the Vietnam War, the US has remained relatively aloof from Southeast Asia, so groups in those areas have little motivation to stage an attack on the US. In contrast, the US have been very active in the Middle East, s... |
How is India poised to be a superpower in the coming decades? | India will overtake China in the next decade or so to become the most populous country in the world. At the moment, the population of India is close to that of China. The economy is going fast in India and already one can speak of a middle class of at least 100 million people. And unlike China, India still has a very h... |
Why does wind blowing through fire make a roaring noise? | Because the wind blowing through a fire supplies it with extra oxygen, helping it burn hotter. Because of this the air and other gases in the fire expand. And since the wind is not constant, when they expand and inevitably contract, the vibrations caused by the movement make the roaring sound. It's like thunder being c... |
Why is Lego so expensive? | It actually isn't the brand name in the case of Lego. At least not completely. The primary reason why Legos are so expensive is that they are incredibly well made. They are made with materials that are incredibly difficult to deform without a concerted effort and the engineering specs rival ball bearings. You can grab ... |
Bedouins cover their whole body with loose clothing to protect from the heat. Why dоn't tribes from sub-Saharan Africa, Australia and other hot places do the same? | I live in Southern Arizona so I know about living in a desert. I would never wear shorts. Loose, light clothes protect the skin. Think sunscreen you wear instead of apply. If the fabric is light and loose, it doesn't stick to the skin or make you that much warmer. This works in hot but arid areas. Humidity is a complet... |
If the moon is held by the gravity of the earth, shouldn't everything between them also fall back down to earth? | Yes. Even the Moon is falling down to Earth. However the Moon is also moving sideways in relation to the Earth so it is constantly missing. Think of it this way. If you somehow ended up over a small river you get pulled down by gravity and would expect to be wet. However if you got to this point by jumping from one ban... |
Why companies like Microsoft open source there code? | Publishing the actual code, rather than just the executable program, lets other developers / people take a look and understand what the code does. A few reasons why companies or people do this: * There's a need to establish trust, for example for things like encryption or password-management software, where your custom... |
Why do movies and games have a rating system(G-R18) while books do not? | A lot of books actually do have age restrictions, but they aren't advertised very well. The age limit can usually be found on the inside of the cover flap. It'll say "recommended for ages 15 and up" or something similar in small writing. A few paperbacks will have it on the back underneath the synopsis, but again, it'l... |
Why has mobile pay taken off in China but not so much in Western Countries? | Not an expert, but I believe a key part of this has been a few things * the Chinese government pushing banks and organizations to adopt the platforms They do this for a few reasons, they're pushing to be as high-tech as possible in the eyes of the world, and it means more financial data is immediately available to the ... |
How does this cheap LCD calendar that doesn't connect to the internet get the weather? | I have a similar one. It measures pressure and predicts rain when the pressure drops quickly, Cloudy when the pressure drops slowly an sunshine when the pressure is rising.From the information provided by the OP and the fact the device has to either be getting data from an external source, using tiny internal component... |
How is the American Social Security system broken and is there a version of Social Security that will actually work? | When it was established, people died at a much earlier age, so they didn't have to pay out as much. These days people are living a lot longer, therefore getting paid out a longer period of time instead of what they were when the system was put in place. That's my understanding of it.Operationally, Social Security isn't... |
How did people figure out what was and what was not an element? | They didn't . There are lots of cases where non-elements are considered to be elements. . but they were reasonably accurate at determining if something was an element. This accuracy increased over time. The basic idea was, an element was something that can't be broken down further. Now they keep trying to break it down... |
Why can't we die in our dreams? | Your brain has no idea what death feels like.I read something recently about all final moments of dreams effectively being compiled in the few seconds that you awake, so basically you weren't dreaming you were falling you were dreaming all sorts of random things but none of them made sense as your subconscious brain di... |
How I'm productive at the library as opposed to being lazy and drowsy at home? | Less distractions I guess and simply the act of "going to the library" forces you to change the way you're thinking about how you are going to spend your time. I had a similar thing in regards to working out at home vs working out at a gym. Much more productive at a gym. |
How do we know when to use "a" vs "an" before an acronym? | If it starts with a vowel sound, you use an. While RPG doesn't have a vowel as the first letter, it is a vowel sound . An example of the opposite is USB. Its pronounced with a consonant at the start , so its a USB, not an USB.> What's the rule? As others have pointed out, it's about how you *pronounce* it, not about ho... |
How do energy drinks work if vitamins and minerals are absorbed in the large intestine. | From wikipedia: _URL_0_ > Caffeine from coffee or other beverages is absorbed by the small intestine within 45 minutes of ingestion The "vitamins and minerals" in an energy drink have nothing to do with the effects you feel; it's all just the caffeine. |
Why are wind turbines spread so far apart? Wouldn't it be more cost effective to have more turbines in a smaller area on a wind farm? | The blades of the turbine create a small amount of turbulence in the airflow. You want to place the turbines far enough apart that this turbulence has room to dissipate and not interfere with the air passing over the blades of another turbine.They disrupt the air flow patterns around them, which lowers the efficiency o... |
Whats happening in my body when I really need to take shit but have no option but to hold it in, and then eventually the desparation subsides? | Have you use the search function? The ELI5 rules clearly mentioned several times that you have to. _URL_0_ |
Would shooting a missile at an incoming nuke still cause the explosion? | No, nukes are incredibly complicated and require a bunch of very intricate explosions to occur with very specific timings. Blowing it up would just result in a ton of radioactive debris, but no where near as bad if it actually detonatedAlmost certainly the nuclear warhead would not detonate. However, there are explosiv... |
Why do I often see "301+ views" on youtube videos? Why 301? | It was actually supposed to be 300 views, but there was an off by one error in the coding, and it's just stayed that way. They do this because they have to do a lot more verifying once it starts getting lots more views. It is explained really well [here]. |
What are standard derivation and standard derivation of the mean? | Deviation* and its a measure of how spread out a data set is. Example: on a scale of 1-10, a bunch of 7s, 8s, with maybe a 9 or 6 would have a low SD. An assortment of 1s, 10s, 3s, and 7s, would have a very high SD. |
Why is whole wheat flour considered healthier than enriched flour? | 1.) Whole grain flour has a higher fiber content. It's much denser in nutrition. 2.) It has a much lower glycemic index rating. This means that it doesn't spike your blood sugar the way a white flour does. 3.) Vitamin content is much higher in riboflavin, folate, B-1, B-3, and B-5 This is a very easy topic to Google an... |
How far back does human history go? | Human history goes back about 5 to 6 thousand years ago with the invention of writing. Anything that happened before the invention of writing is known as prehistory. So how far back does this prehistory go? Over 2 million years. Our species, Homo sapiens, belongs to the genus Homo. Biologists generally consider all mem... |
When launching a rocket, does a nation have to notify other nations so as to not be regarded as a missile launch? | Each airforce has an airspace they own. What they do within their own airspace is their own business. Do not need to tell anyone But there is an upper limit. Past that limit, no one owns that space. So if you fire a rocket through your own airspace, past the upper limit and into space, then it doesn't matter But if you... |
Purchasing Power Parity and why some analysts prefer it over nominal GDP when talking about a country's strength? | In short nominal GDP is just a number, and doesn't take into account prices . Take country A, which has a nominal GDP of 10,000 but everything costs $1,000. Now you have country B with a nominal GDP of 500 but everything costs 10. On the surface, A is better off since its nominal GDP is 20x bigger than that of B. But w... |
Why do you feel hungry after smoking marijuana? | When you’re hungry, your body naturally produces anandamide. Weed causes your body to produce anandamide, so your brain says that you are hungry. [Source]', "I don't know the science, but when I went through chemo, I was given [dronabinol], a drug derived from cannabis used to increase appetite. Just a tidbit that show... |
Why chefs wear fancy pants | It is a uniform. You see checkered pants, you instantly know that that is one of the kitchen staff. Also, the tight check pattern hides stains pretty wellAs someone who works in a restaurant kitchen. I assume the "fancy pants" you are referring to are the glorified pajama pants. Where I work they are not required, but ... |
Why do I have to microwave two of something for twice as long? | A key concept is that microwaves tend to bounce around inside the microwave until they are absorbed. This tends to mean that if you dump X watts of energy into the microwave, ~X watts are absorbed by the food regardless of its cross section. |
What's happening to my body when i don't eat for 24+ hours and i am suddenly not that hungry anymore | Your body is like," fuck it, we're tired of waiting for food, let's rummage around in here and see what there is." EDIT:Meaning, of course, that your body starts breaking down bits of itself for sustenance but hey, your stuff is funnierYou begin to shift from glycolysis of glucose as the main pathway for energy product... |
How is rent control in NYC financially viable for building owners when property taxes on a building on(in) Manhattan are essentially through the roof? | The entire building is not rent-controlled, only individual apartments, and an apartment building has to have a minimum number of units before an apartment can apply for rent control. |
Can an electrical engineer do everything an electrician can do? | Electrical engineers know *theory* but they don't know the details of how to actually run wires or build things to code. They've probably never actually had their hands on 90% of the wiring inside the walls of a house. They're completely different skillsets with only a minor overlap. |
How does camera read QR Codes so accurately? | The three black-white-black squares in the corners are used as points of reference. Once you have points of reference and their size for scale, it's really very simple to read the code. |
What would patenting human DNA do good or bad for people? | First, in the US patenting the actual DNA sequence is not eligible for patent per the Supreme Court case of *Association for Molecular Pathology v. Myriad Genetics, Inc.* Second, companies would love to be able to patent specific parts of the DNA sequence because it allows them to prevent competition during the years t... |
Why do our noses get runny after eating spicy foods? | Your body has a great defense system to ridding itself of toxins and other maladies. When you get sick-you sometimes are met with a runny nose as well. Your body is trying to evacuate whatever irritant or contaminant that is causing discomfort. It floods the nasal passages with mucus prompting you to expel it from your... |
With nearly 5 Billion donated to cancer research and treatment annually, why does chemo still cost as much as $30,000 a month? | I'm assuming you're in America because it sure as shit doesn't cost anywhere as much as that here. Because they can charge it. Because your insurance company doesn't have any bargaining power and has to pay it. |
What is the end goal behind a virus, what is their motivation? | Viruses don't have motivation because they can't entirely be said to be alive, but the viruses that create more of themselves die less compared to their lesser counterparts, so the end goal of a virus is to have as many versions of it in the world as possible, so a virus killing the host is exactly what it dosen't want... |
The sound my speakers make when my cell phone is close to them. | Basically, it is your cell phone talking back and forth with the cell phone tower nearby. If I were to explain this to a five year old, I would tell them that normally, your speakers receive a special music signal from your iPod/TV/whatever. When your speakers recognize this signal, it converts it into an audio signal,... |
What happens when I lose consciousness? | Your brain is compartmentalized. Different bits of it handle different tasks. When you lose consciousness, the part that handles being awake slows down to a crawl while some other parts are still partying like it's 1999. When you get knocked out, it is because the base of your brain gets jarred badly enough to smack ag... |
Why the air humidity in an airplane doesn't condense on its windows? | There are two layers of windows with a gap between them, providing insulation so the coldness outside the plane doesn't transfer to the inside layer. There are also dehumidifying air scrubbers for the air in the plane.The air is then sent through a water separator, where the air is forced to spiral along its length and... |
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