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Muscle Atrophy. Or how muscle loss happens in general. | Unless you're going through a severe disease process, you aren't actually losing any muscle cells. Maybe it's easier to think about how muscles get BIGGER when you exercise, and go backwards from there. As you exercise, each cell grows bigger and stronger. It's debatable whether you get MORE cells, but most people thin... |
the daily views graphs on music videos like "Despacito" | At that frequency, it's probably people watching it more on weekends than during the week. It's a pretty common pattern if you look at graphs of website activity- it'll either dip or spike on the weekend depending on whether it's a site people tend to visit during work or for leisure. |
What is oxygen toxicity and how does it damage the body? | ELIM5: too much oxygen damages cells, particularly those in the brain and lungs. ELIM12: oxygen is a reactive molecule. That's part of why it is useful for metabolism. If you are sick, increasing your oxygen exposure can be useful. But, anything in the wrong concentration can be dangerous. |
What are the modern explanations for how consciousness arose? | There are none yet. It's a mystery. We're even discovering that some animals can communicate and think on a higher level than we initially thought. |
When something gets into my eye and I no longer feel it but it doesn't come out, where does it go? | At the very tip of each eye there exists a pore that is to rid our eyes of tears, dust, debris, etc. that is linked to our nose. Which is why our nose gets runny when we cry. A lot of the times, the eyelash gets pushed out by the eyelids and with the help of the other eyelashes. Sometimes, the eyelashes go into that te... |
How drinking makes you "drunk" | The ethanol is digested and moves into your blood stream to your brain . When in the brain it makes your brain release certain proteins which connects to the brain and slows down a certain nerve. . This makes a person drowsy and/or unable to think clearly. Depend on various factors, a person can be declared intoxicated... |
Why do we have the urge to tap our foot or dance to a catchy beat? | Rhythms are integrated into everything we do. We breathe in rhythm. Our heart beats in rhythm. We sleep and wake up in rhythm. When we hear a strong rhythm, our brain's first reaction is to somehow get in sync with it. Since breathing, heart rate, and sleep cycles can't necessarily be controlled to match a beat, our bo... |
Why is it that I can go 6 hrs without taking a piss but within 30 min after that first piss, I have to go two more times? | Could be a bit like 'breaking the seal' when you're out on the beers. When you haven't peed for a while, the walls of the urethra a stuck together, along a lot of it's length. It's also relatively dry. It takes a relatively full bladder to force the urine down the urethra to open it up. Once you've peed. The walls of t... |
Does drinking alcohol really kill brain cells? | Long term alcohol use can cause brain damage. Over the course of prolonged use the brain shrivels up similar to a raisin and can cause damage to certain regions of the brain causing various disorders. Some damage is repairable but once the damage goes too far there's no turning back. Can be quite devastating. |
Would the horizon look any different on a considerably larger planet? | It would look flatter, but because the curvature of the earth is undetectable by the human eye until you are a few miles up, it would look pretty much the same. On a much smaller planet, the horizon would have a noticeable curve to it. |
Why does everyone hate flash and why are they happy that it's "going away"? | You know how the Olympics have two official languages, English and French, right? This standardization allows everyone to have one of two languages in which to communicate. Moreover, for the sake of this analogy, imagine that English and French are easily-accessible languages . Now, imagine that, say, the Russian gymna... |
Why do you see shapes and color while rubbing your eyes? | In addition to light, the rods and cones in your retina can be stimulated by pressure. When you rub your eyes hard, the pressure gets transmitted through the jelly part of your eye to your retina. **This is not a good thing to do.** Putting pressure on your eyes like this puts stress on your retina. There's a small cha... |
How does scoring work in the Tour de France? | Couple of things: -Depending on the year and what the organizers decide, stage winners from 1 to x will get overall time bonuses of a couple of seconds. -The same time thing isn't simply a matter of technology, it's a practical measure due to the roads only being wide enough for a handful of bikes versus having 200 rid... |
Why is it difficult to pee after masturbation? | I will talk from a man's perspective.During ejaculation, bladder muscles contract, so non of your semen gets into it. It takes time for it to relax. Be grateful that it is difficult to pee after, otherwise you would have had a [retrograde ejaculation]. |
If it's safer for a child to ride in a backwards facing car seat why aren't airplanes designed so all seats face backwards? | Mythbusters did this. Rear facing seats are significantly safer but they freak people out so too bad we don't get them. |
Why is violence still exercised in wars between countries? | Because that's what war is. Violence is the ultimate force; just like they say in starship troopers, "the supreme authority from which all other authorities are derived".Wipe my ass. No? Wipe my ass or I'll kill your family and rape your corpse. Violence gets things done, for better or for worse. |
Why are Bass(music) Bass(fish) pronounced differently? | Spellings and pronunciations change significantly over time. Often these changes happen by mistake, and there isn't a good reason for why it happens to one word or another. In this case, Bass comes from the middle english word base, and it retained the long a sound that is natural for that spelling. Bass comes from the... |
How can men be raped by women? | "Rape" just means sex without being able to give consent. If a man is drugged, or threatened or otherwise unfairly coerced into doing the deed when he doesn't want to but has no good alternative, then it is rape.If you think that a man cannot get an erection if he doesn't want to, your wrong. I may be speaking for myse... |
Torrenting. How do small files come from big files, and what is seeding and leeching? | The idea of the bittorrent protocol is that a large file, or collection of files, is split into many parts, each of which has a known checksum. Individual users with a complete "part" can share that part with other users, and the original person with the complete file[s] only needs to transmit as little as one complete... |
How can the Grand Canyon be 18 miles wide in some areas when it was only carved up by water? | It's like this, It starts off with the small 10 foot river, slowly over time that gets deeper. The deeper that goes the more potential wind erosion. Think of it like dragging your finger through the sand. At first you make a fine line, then as you do it more and more in the same spot, the sand on the side of the crevic... |
We've been hearing about ebola for years. Why is it spreading internationally now? | It is not a new strain. The strain of Ebola causing this epidemic is the Zaire ebolavirus . This virus is the deadliest of the Ebola strains and can have a case fatality rate of up to 90%. It causes Ebola hemorrhagic fever in humans and initially presents itself with flu-like symptoms, diarrhea, vomiting, and sore thro... |
Why would anyone buy a Treasury Bond? I can get .25% interest from a savings account. | FWIW savings accounts can almost always be found that have higher rates than t-bills. 1. A savings account is not risk-free. Comparatively speaking, a US Treasury is. 2. The insurance that protects savings accounts is limited to 250,000 dollars in the US. If you want to put more than that in the account, you're screwed... |
Why is removing EXIF data from photos a good thing? | EXIF Data can be used to tell everything from what type of camera or device was used to take the photo, all the way to the exact geographical coordinates of where it was taken. From there it's not hard to punch it in to a map online to find out the exact location . |
Quick Question about air pressure and lift. | This is a great question but it has some common misconceptions! They're quite likely not your fault, a lot of people teach this wrong. > So, when I was learning about forces and various dynamics in physics we were taught that planes could fly because of the force known as lift. Yes, that's true. > As I understand it th... |
If water is more dense than oil, then how do you dilute oil with water? | you don't really. oil and water don't mix, so you'll just end up with a mixture instead of a more dilute solution. you can thin oil by mixing it with a oil of a lower viscosity. |
Why don't cabs have barf bags like airplanes? | Cause cars have this thing called doors and windows. Throw up outside.A) Cars have easier access to outside air due to doors/windows. Also the airflow of cars is going to be a bit different. The plane's ability to cycle and clean the air is going to reduce that vomit smell for other passengers. B) Aircraft isn't necess... |
Why can't we remember the moment we fall asleep? | It takes a while for your brain to process your working memory into long-term memory. When you fall asleep, though, your brain stops doing that. So you miss those few momentsMissing in these answers is the fact that there is no well-defined "moment" when you fall asleep. It's a gradual process of parts of the brain slo... |
If North Korea was able to acquire nuclear weapons why don't more countries have them? | To a degree you are correct — there are _many_ countries in the world today that, if they decided to, could have functional nuclear weapons in the next year or so. Japan, Australia, Canada, Germany, the Netherlands, and several others fall into this category. These are states that have mastered the full nuclear fuel cy... |
To what degree is an unemployment rate integral to an economic system? | Too low unemployment would result in wage inflation as companies have to offer more money to lure and/or keep employees, which would drive general inflation pay workers more, have to raise prices. The general view is that 5% is considered "natural unemployment rate" where the system is in rough equilibrium where people... |
How do large food/drink franchises maintain perfect taste-matching around the world, all the time? | Those big franchises change their tastes according to area they operate in. Coca cola does taste differently across the world. So does mcdo and any other you could name.I work at Starbucks. Pretty much most of our products are all sourced from the same manufacturer. I can only speak for the U.S. stores, but they all re... |
When and how can I visit Cuba as a tourist? | You can go there as a student or for some professional reasons if you get permission from the government. It has long been understood that Americans and their money are welcome as visitors in Cuba, but you have to bribe the customs officers to not stamp your passport. If they stamp it you will get in trouble when you r... |
Why is the divorce rate in USA so high? | A lot of it has to do with cultural acceptance. In Western nations, divorce has gradually become accepted as a normal resolution for unhappy marriages. In other cultures, however, it may not only be heavily frowned upon for married couples to divorce, but it may also be forbidden except under special circumstancesI thi... |
How is it that the ultra rich pay little/no taxes but a flat tax would be a "gift" to them? | > The richest 1% pay an effective federal income tax rate of 24.7% in 2014; someone making an average of $75,000 is paying a 19.7% rate. The average federal income tax rate of the richest 400 Americans was just 20 percent in 2009. While many wealthy pay lower rates, on average they pay more. The US has traditionally ha... |
What is the appeal of shooting and watching a movie in 70mm? | /u/aok51289 is partially right in terms of resolution, but very right in terms of difficulty and it being cumbersome, not mention expensive. There are two types of 70mm, the kind The Hateful Eight is filmed on and the kind Interstellar, The Dark Knight, etc. are filmed on . Almost all older movies were filmed on 4-perf... |
Why women prefer taller men? | **Please read this entire message** --- Your submission has been removed for the following reason: ELI5 is not for: Subjective or speculative replies - Only objective explanations are permitted here; your question is asking for speculation or subjective responses ---If you would like this removal reviewed, please read ... |
Why are ATM receipts printed on a paper such that the print vanishes after a few days | It is thermal paper. It is used in ATMs and various other places primarily because of reliability. There is no ink or toner to run out, and it needs the fewest possible moving parts. ', "ATM receipts are printed on thermal paper, similar to what's used in most cash registers and even the Game Boy Printer. It's meant to... |
why is Leicester pronounced "Lester"? | This is known as "[Elision]" which is when certain syllables or letters are ignored in words. Sometimes this is intentional, as with "I'm" instead of "I am", and sometimes it is just because the phrasing has evolved due to dialects and laziness. In this case it should be said "lie-ses-ter" or possibly "lie-kes-ter", if... |
How does India support a massive population despite having a very poor system of sanitation? | Honestly - and having traveled throughout India - it's only "filthy" if you're used to e.g. US suburbia. If you 've spent time in the grittier parts of big cities, it's pretty much like that. There *is* a major problem with adequate, clean water and sewage disposal, but honestly it's not like a garbage dump. Street cri... |
Why are some people more prone to nightmares/night terrors than others? | There may be a connection with endocrine function I have heard this but don't have a source so consider with caution. Also, check out the Radio Lab on lucid dreaming. Basically, during waking hours ask yourself, "Am I awake? Is this real?" Eventually you'll ask yourself that during the dream and when you realize that y... |
How do drugs like meth and crack change someone's appearance? | Constriction of blood vessels decreases the amount of blood that reaches parts of the body, and parts that rely on the smallest vessels may not receive enough blood to remain healthy. Skin and the face are two examples, and the mouth is a special case because other regulating systems are also compromised, like saliva. ... |
The difference between various mint flavors (spearmint, wintergreen, peppermint, etc) | I assume you mean the artificial flavorings? All three are based off of actual plants, which taste different. The cooling, sweet sensation you get from peppermint is from the chemical menthol, and Wintergreen is flavored by using the chemical Methyl salicylate. I don't know what they use to flavor something like spearm... |
Given incredible luck, is it at least possible for radioactive matter to cause enough, and the right, mutations to make a turtle look like a teenage mutant ninja turtle? | Well, since incredible luck is a given, the answer is yes. All living beings are composed of the same elements, the 4 bases of the DNA. Since the concept of DNA mutation generally englobe duplication/translocation of chromosomes, there's no theoretical limit to what may happen . |
What does it mean that the Carbon in our atmosphere has passed the point of no return? | Scientists anticipate that there are certain feedback loops, which mean the warmer it gets, the easier it is to get warmer. Imagine sitting in a waggon with rusty wheels. The wheels are so locked up that even though you are on a slight decline you aren't moving. You add a few books to the wagon for more weight and now ... |
why isn't righthandedness/lefthandedness equally common? | Nobody knows why but there are theories: _URL_1_ My two cents: I am lefthanded myself. But i use computer mice with my right hand. A friend of mine is right handed and because he set up his desk wrong as a child was forced to use the computer mouse with his left hand. So the environment is definitely a factor. Edit: Al... |
What is muscle memory, particularly in relation to playing an instrument? | It's just one way your brain stores memories. Rather than trying to store a bunch of letters that you then translate into notes, which you then have to tell your fingers how to play, it's probably just easier for your brain to store a series of movements. It's not specific to just instruments though. Muscle memory is u... |
How do bands make money from albums/songs? What if they release independently? | Whoooo boy. Alright, so the old way that bands used to make money is that a label signs the band and the two work out a publishing contract. In almost all cases, the label actually owns the rights to the music at this point, not the band who wrote it. The artists get a certain amount of the sales and the label puts up ... |
If every US citizen received a monthly living allowance of $1,200.00 and all other federal benefits were discontinued, would the cuts, including administrative, pay for the allowances? | No. 1) $1,200/person/month is a lot of money. 2) The money that would be paid to people with means would not contribute to a public benefit. People who can care for themselves do not need free money. A flat allowance wastes money on the rich. 3) A flat allowance provides a disincentive to work for the middle class. Do ... |
Why does Hot coffee and Iced coffee taste delicious, but lukewarm coffee tastes absolutely disgusting? | High quality coffee tastes good at all temperatures. If you drink over roasted coffee , then it will only taste good at extremes of the temperature spectrum because the tongue isn't as sensitive to the bad flavors at those temperatures. The reason that mass produced and marketed coffee is not roasted for peak flavor, b... |
Why can Expedia offer half off on hotels regularly, yet rarely has specials on flights? | The airlines rarely have an issue filling a flight. Offering a discount just detracts from their profit. Even if a seat is open, it only becomes more expensive as the flight time nears. Last minute seats are lucrative, wouldn't want to miss that chance by filling it at a discount rate! Hotels have vacant rooms more oft... |
why can't we smell anything wen having a cold? | Your nasal passages and the scent sensing nerves in them are inflamed and covered in a heavy mucous preventing them from working properly. |
Why do humans have to treat water to make it safe to drink? | We don't have to. We just have the option of reducing our relatively small risks to near zero instead. If chimps could do that, they would, and would benefit from it as much as we do. Waterborn illnesses are common whether you're human or not. |
The French revolution and the reign of terror | French revolution started, factions formed against the monarchy. Then when the promised achievements of the revolution weren't met, the mob turned on the ringleaders of the revolution ending in several of the key revolution leaders losing their heads to execution during the reign of terror During the reign France also ... |
Why does the value of currency tend to inflate over time as opposed to deflate? | Because a small amount of inflation is good for the economy as it encourages people and companies to spend money, which is what keeps the economy going. So government policies are all designed around trying to ensure a stable, low level of inflationNote this is only really true in the fiat currency era, where small amo... |
- Why have Televisions been able to get full HD feed instantaneously for a long time yet YouTube videos still buffer while trying to load the same thing even now? | If you mean televisions running IPTV hardware , they do have to buffer, and will shift down to a lower resolution if the data rate drops. Even if your internet connection is running fast enough to stream the full rate, it will often come in surges with momentary pauses, so buffering evens out the rate. If you mean broa... |
The US freedom act. | The USA Freedom Act is a law that reauthorized the authority given to the federal government under the Patriot Act. The main difference is that the Freedom Act altered certain procedures to try to safeguard privacy rights to a greater extent than the Patriot Act did, without compromising the tools the government claims... |
When is inflation a good thing? | Without inflation, you could safely keep your money sitting under your mattress without worrying about it losing value. When you have inflation, you have to *do something with it* to stop it from losing value - invest it, lend it, buy a house, etc. These things put the money back in circulation giving us an actual grow... |
how does putting a lawyer on retainer work? What are the advantages of doing this versus just hiring/consulting a lawyer when you need one? | TV shows do not represent real life. The reason some gets a Lawyer on retainer is because it is *cheaper*. It is essentially buying in bulk. Someone pays the lawyer to be on retainer so that they can consult with them whenever they want/often. This is cheaper than paying the lawyer each time the person needs legal advi... |
The refrigeration cycle or how refrigerators keep food cold. | This is based on a basic thermodynamic fact: expanding a gas decreases its temperature. So, in a refrigerator, you end up having a fluid pumped in a cycle. The part of the cycle where it turns into a gas and expands is connected to the inside of your fridge. And the part where you have to compress it back into a fluid ... |
[LI5] Savant syndrome | Well, Autism has more to do with a brain that does not process social situations properly. Severely autistic kids may not even be able to understand that other people have feelings. Savants are different. They usually present themselves as mentally retarded, but absolutely excel in ways that most humans can not even dr... |
Why is that that some apps allow you to play music in the background whilst some apps turn the music off as soon as the app opens? | What OS are we talking about here? Regardless, the answer is probably that the OS leaves it to individual app developers to decide whether they hog the whole audio system for themselves, or let background apps continue to play. This makes sense in theory - apps that are audio-related need to shut everything else up, wh... |
Why people in higher altitudes have to bake things at lower temperatures than normal. | The first paragraph is fact, but the second is conjecture. Water boils much faster at lower temperatures when the air is not dense. Now the guess part: I could see that with less atmospheric pressure on the water in the dough or meat being baked, it boils away faster at lower temperature and causes the baked product to... |
How Do Wind Turbines Work (the turning part, not the electricity generation part) | It's much like an airplane or helicopter propeller, but in reverse, so you don't need a ton of surface area to cause it to spin. Also, the blades for wind turbines are very light, and **huge**. They can be up to 150 feet long. If you're American, you might better visualize that as being half the length of a football fi... |
With the countless money donated to cancer research, how has our understanding advanced? | We've developed greater understanding of the underlying mechanisms for why many of these cancers happen, who is at risk, who should be screened or work up, how to treat them, how to manage side effects of treatment. A new field is how to manage the long term effects of childhood cancer and treatments, since these kids ... |
Why is it much easier to balance on a bicycle that's in motion than it is to balance on a bicycle that is stationary? | The short answer is that there's not a general consensus on all the factors and which matters most. There are some general ideas though. ' Often asked, please use search and check out wikipedia. _URL_0_ |
Why do they count movie sales in money made and not tickets sold? | The movie industry is not about people viewing primarily, that's a consequence. The movie industry is about people making money. It's like a factory that turns out entertainment units. Those units cost and the return on investment is really what the investors care about. So what about the people involved? Well yes they... |
Why do solar panels generate more power during an ending solar eclipse than during a normal day where the sun isn't partially covered by the moon? | The solar eclipse occurred in the morning. During a normal morning the amount of solar energy generated would rise as the amount of daylight increases towards midday. Therefore the sunlight will provide more power after the eclipse than before it. |
why are Caribbean temperatures so stagnant? | The Caribbean is close to the equator. The closer you are to the equator the more stable your temperatures are year round. Additionally the closer a large body of water is the more stable temperatures are, as you recognize. |
How is the Public school's internet speed across the street 1000 times faster than my in home internet speeds? | Public schools tend to get funding from the government to help pay for a connection good enough to sustain hundreds of students.Well, you can, if you want to pay for it. The school may well be linked up to a network supported by the state that has excellent bandwidth. You can get that, too, if you're willing to pay wha... |
Why have I gotten immune to watching bad stuff happening to humans, but I can't even slightly handle animal cruelty? | Animals aren't as fucked up. They're innocent. You shouldn't watch people die though. We shouldn't see that unless we have to. I just watched one for the first time, not even a bad one and I'm pretty frozen. Unnatural death to a human should not be any sort of spectacle.I feel the same way but ill actually watch the vi... |
How come my feet will hurt after a while in flat shoes, but not when barefoot? | The human foot isn't designed to be covered in a shoe. We are meant to walk barefoot. We invented shoes to protect our feet. If you look at the bottom of your foot you will see it is arched. The arch acts as a shock absorber and it also allows the muscles and joints in your feet to move freely. If you wear a shoe it pr... |
How do electric toothbrushes charge when there is no metal to metal contact between the toothbrush and the charging dock? | Induction. A current within a conductor creates a magnetic field, and a changing magnetic field causes a current within a conductor. This is why electromagnets are a thing, how generators turn movement into electricity, how electric motors turn electricity into movement, how radios and antennas transmit and recieve sig... |
How can a pancoast tumor of the lung cause no lung problems, but cause shoulder pain and paralyzed vocal cords. How can it be stage III b and take 3 months to figure out? | How can it cause no lung problems despite being significantly progressed: Pancoast tumours are tumours of the superior pulmonary sulcus/apical pleuropulmonary groove. Essentially what this means is, they sit really high up at the [very top of your lung]. Since they're so out-of-the-way and only tend to affect the lung ... |
Can someone explain to me the benefits of Linkedin? | I've been offered several job interviews from people who seemed to specifically care about things I referenced in my history, but plenty of people have said that it seems pointless to them. It really depends on how you use it. I only use it to connect to people I really know from business contacts, and I disabled the w... |
How could a human possibly die from the flu? | The flu kills thousands of people every year even today. Many of these people are immunocompromised, i.e. babies, the elderly, people fighting cancer, etc. but some people are just very sensitive. There are many strains of flu and occasionally there are very deadly ones. Despite the help of vaccinations, understanding ... |
The crew for a movie. | A producer funds the film and is one of the major voices in controlling what happens with a movie. And a writer is different than a screenwriter. A writer may come up with a story, JRR Tolkien was the writer of Lord of the Rings, but Peter Jackson, Fran Walsh and Philippa Boyens were the screenwriters who made it into ... |
Why does American Baseball have a "world series " when its only americans participating? | It wasn't only Americans when the Toronto Blue Jays were contenders ", 'Canadian here: we have a team too , and Toronto has actually won the series twice ', "The teams are based in American cities but the athletes are assembled from all over the world. Major League Baseball has the world's best players and the team tha... |
Why is the Leaning Tower of Pisa so important if it's simply an engineering failure? | Utilizing many columns and archs, this tower represents an advanced understanding of weight and load characteristics, showing the Italian architectures' knowledge. What the architect didn't account for however, was the base of the tower being built on a dense section of clay. In other words, the tower was not faulty, b... |
Why is Tokyo the capital of Japan and not Kyoto? | Japan has had a lot of capitals throughout it's history. Kyoto was the previous capital, during 1180–1868. Since 1868 it's been Tokyo.[Source.] |
What Causes Physical Differences (Primarily their facial appearance) in individuals with severe autism? | Autistic children are often stressed out all the time, and eat terrible diets, and are likely to develop unusual breathing and eating habits which affects the development of the jaw and sinuses. They often furrow their brows alot and have that 100 yard stare from feeling overstimulated all the time. I know what you are... |
how do I know my smartphone/tablet/laptop's front-facing camera and microphone isn't secretly recording what I do/say and sending it to Apple/Google/Samsung/NSA/CIA/FBI/RCMP/MI6/whoever else | By making yourself and your phone matching tin foil hats! But in all seriousness, you don't. But let's be realistic, some giant company isn't gonna give two caps about what you do and it's not even worth their time, there are 300 million people in America alone.You don't really know. What you can definitely know is whe... |
Why can't every country in the world be neutral? | I believe some countries use war to allocate resources to benefit themselves so some countries will never stop being at war. I cant really cite that but its what I believe off of my life experiences. There's also just wars on religion, politics, trade agreements, drug policies, ethics, resources,anything you could thin... |
Why is it that only proteins, carbohydrates and fats are deemed to have caloric value? | As opposed to what? Do you have any particularly reasoning why this shouldn't or isn't the case? Protein, fats, and carbs are the sources of food energy that our body can utilize. If something can be digested for energy, then it can have a measured caloric value. Edit: To answer your clarification. You don't metabolize... |
What is the feeling that I experience when I go down a steep drop on a roller coaster? | Essentially, you are feeling weightlessness. Your organs are not being kept in place by any force, so they basically float a bit , but it is enough for your body to detect the change, and you feel "your stomach drop". |
If smartphones can see infrared light from remote controls, why can't they be used as thermal cameras? | You can, you just need to build a filter to block the visible light: _URL_0_', "The other posts talk about using a smartphone camera as an IR camera. They are irrelevant for using it as a thermal camera. Remote controls and the IR light described here are called near infrared. Each wave is 700nm to 1,400nm long which i... |
Why can news stations not delay the broadcast by a few seconds incase something goes wrong? | They can and do. However, the process still has some dependency on human attention and reaction time. [Here] is a relevant articleTh person holding the delay control on that Fox Broadcast probably felt safe with the presenters so was drinking coffee or updating facebook. |
why are people double jointed? | Being double jointed is more often an issue with connective tissue than with bones. There are some connective tissue disorders that cause people to be double jointed, so yes, there's a higher incidence of such diseases among those who are double jointed. Being double jointed happens because humans are super complex mac... |
Why has the USA not ratified the UN Convention on the Rights of the Child? | Originally, because it forbade both the death penalty and life imprisonment for children. The constitutionality of these punishments for children was not conclusively decided until 2005 and 2012 respectively. It also contradicts US adoption laws in many states. Note that many countries that have adopted regularly viola... |
why are children asked which foot they kick with? | Because most people do have a dominant foot. If you want someone to play on the left side of the field, people with a strong and controlled left foot have a big advantage for passing towards the centre of the field, particularly a cross from the corner in towards the goal. A right-footed player will have to run round t... |
How do governments know how much cash is in circulation, when people destroy it, loose it and collect coins | generaly 'cos banks tell em Just to expand. All currency transactions end up going through banks, from your corner shop to your wallmart sized companies, and from that a good estimate of monatery flow and demand can be followed also the banks are the ones who generaly 'destroy' money by withholding it when it is too wo... |
Why do boys voices crack when they go through puberty? | During puberty, lots of parts of your body grow. For most people, this includes their vocal cords. The longer your vocal cord is, the lower your voice will be. During that growth, however, your body and mind are not yet used to speaking at a lower pitch. Sometimes, the brain or muscles get confused, and produce a stran... |
How can so many artists now produce incredible photorealism, when even the greatest Renaissance artists that saw that as a central aim couldn't come as close? | The ability to work from a photograph . A lot of renaissance work - particularly in portraits has the hallmarks of using a camera obscura which has a few issues in terms of scale . Don't forget as well that painter in that time was much more of a craft than an art - painters needed to earn enough to eat and sometimes t... |
When you’re sick with the cough, do you cough in your sleep or does it completely stop? | It typically stops completely. We undergo a thing called sleep paralysis in which our bodies are typically incapable of moving in response to stimuli, which prevents the irritants that cause coughing from working. |
Why do we rely so heavily on fuel and gas rather than electricity which is renewable? Wouldn't it be better idea to rely mainly on electricity? | Where does the electricity come from? It's not free, it has to come from somewhere. 2/3 of the US electrical production comes from coal and natural gas. Another 20% is nuclear. That's 86% of all electrical production right there that's coming from non-renewable resources.Petroleum is very easy to store and move around ... |
How do tattoos last? Wouldn't they go away as the layers of skin are replenished? | Tattooing causes an inflammatory process as you damage the skin, just like scraping your knee or cutting yourself. You get swelling, redness etc like any other injury. This trauma attracts cells of the immune system called macrophages from the blood and surrounding skin. Usually they absorb and breakdown bacteria or an... |
does a third party have any chance of actually winning an election? | It would take a lot of circumstance such as the downfall of the party. Realistically, the most a candidate could get is about 15% in the general election. |
Can anyone explain the rationale behind "thin privilege" and the fat acceptance movement? | It comes from the belief that overweight people are treated unfairly - facing social inequality, discrimination, and ridicule - simply because they overweight.It's one thing for your Doctor to get on your case about being overweight. In pretty much every other aspect of your life, where it has no effect on the other pe... |
Do the data centers owned by Google and Amazon have a defense against EMP's? Would the Internet still be able to function if several EMP's targeted these facilities? | Many data centers are in [some kind of bunker]. During the 50s, telecom companies built a lot of infrastructure [underground] or in [literal fortresses]; with an eye to continue operations after a nuclear attack. Well, since the 50s, telecom equipment has shrunk in size by a huge degree. Those facilities are basically ... |
Why are workers supposed to give a two weeks notice before quitting, but employers dont have to before firing someone? | Generally speaking, you're under no obligation to give two weeks' notice to an employer. It's just something that people do to make sure they aren't burning their bridges when they quit.The two weeks notice is a gesture of good will. Its the polite way of leaving, a way to say "I want to part on good terms with you". M... |
Why would Google Chrome get rid of all support for Java? | Who uses it? I'm sure some folk do, but I and everybody I know can't recall using it at all in the past few years. Java has been the subject of a large list of security issues and phishing attempts, and for the average user it's doing nothing for them. It generally makes more sense to take any current browser-based Jav... |
Does hot food give someone more energy than cold food? | It does not. The body uses energy by breaking down sugar, not heat. It’s like asking if a battery has more energy on hot days. The energy sources are fundamentally different, so no. |
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