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What is the difference between an access point, bridge, and router? | access point lets a wireless client connect to a hardwire network. a wireless bridge lets a wireless client connect to another wireless network. a router creates a subnetwork that smartly routes traffic to the parent network. you can get repeaters that go ALONG way. my brother used to have one that had range of 2 city ... |
Can you explain to me the compressibility of fluids? | Atoms are houses. The state of being a gas means is similar to house in rural areas, so house are built far apart and giving lots of land . The state of being a liquid is similar to being a little suburb. You can still have some land but you're also much closer to other houses in the neighborhood. The state of being a ... |
Why, on an evolutionary perspective, are humans hyper-evolving? We've grown in height just in the past few thousand years, and have much less hair than predecessors. | Height can be attributed to improved nutrition, look at NK/SK. NK are much shorter than SK even though they were the same people up until very recently. The hair thing requires a citation. |
Why do snowflakes form so symmetrically? How do the manage to crystallize without being a messy, tangled, random jumblefuck of spikes? | When crystals form slowly, there are preferred places for the liquid to solidify. These require lower amounts of energy to deposit than others. There is this concept called surface energy. While you could dive in very deeply, basically it costs energy to make a new surface, so building outward without making an extra s... |
How did the first Ice Age happen and what's the difference between that and Climate Change now? | the earth's climate is a complex system with a lot of different smaller systems interacting. small changes can have drastic consequences on the climate , and the previous ice ages were all because of a combination of factors that caused the earth's climate to dip. reduced heat due to long-term weather patterns , enviro... |
Why there are laundry products only specific to front load or top load washers? | Laundry detergent for front-load washers is designed not to foam so much. If you put regular detergent in a front-load machine you'll have a mess on your hands. Same reason you can't use dish soap in a dishwasher. You can use HE detergent in top-load machines, but it's more expensive usually. |
How come McDonalds salad dressing are from a brand name and the company doesnt make its own generic version? | In business, this is known as a "make or buy" decision, and they're very common. A team of people will analyze every aspect of either manufacturing your own item, or buying it from another company. Eventually, a decision is made. In this case, its likely that McDonald's felt that it would be cheaper to buy dressing, an... |
How is Dubai able to build so much infrastructure so quickly without much political opposition? | Dubai is an absolute monarchy: there *is* no political opposition. That doesn't mean that the ruling family does whatever they feel like doing without consultation, but they could. The largest property developers have state connections e.g. the founder of Emaar Properties, Mohamed Alabbar, was also a chief economic adv... |
What is a "White Knight" and how can I consciously not be one in a situation? | white knights are usually described as males who are overly protective of females in social situations, with the perception being that it is a misguided attempt on their part to win the affections of the females they 'protect'. if you are concerned about consciously avoiding that kind of behavior, take a second to cons... |
Why do animated people tend to have 3 fingers + thumb? | It's really hard to draw a proper hand. Especially quickly. It would look distracting if everyone in cartoons had the right amount of fingers. The hand is just there to provide an end to the arm, and to hold things occasionally.It goes at least as far back as Mickey Mouse and other Disney cartoons. For whatever reason,... |
How would the Enigma Code hold up by today's standards? Could it be cracked by brute force with today's computers? | From Wikipedia, taking only the key complexity into account: > Enigma was designed to be secure even if the rotor wiring was known to an opponent, although in practice considerable effort protected the wiring configuration. If the wiring is secret, the total number of possible configurations has been calculated to be a... |
What is that circular pull-tab looking thing on the front of performance cars? | Its a tow hook. Road racing cars are required to have them so that they can be pulled out of the sand or gravel if they go off the track. On street cars its a cheap way to make it look like it's a serious race car.In case of a water landing you can pull that tab and inflate the cars safety floats. Actually, it's a tow ... |
Why is the spell checker in Google Drive less accurate than Google searches? Can't it just Google the word? | Response time and processing power. Think how slow you get your search results. Imagine having to go through that for each questionable word. The strain on the servers also won't be justifiable. With searches, it is assumed that you will spend quite some time with the results. So, the time spent spell checking is reaso... |
How do Television Stations make profit? | Producers of goods and services pay for advertising space to bring thier goods to the attention of consumers. If more people watch a show, the price of a commercial during that show is higher. This is why television stations try to find the most popular shows, and not necessarily the "best" ones, to broadcast. As much ... |
Considering that credit card numbers are all 16 digits, how likely is it that credit card numbers would ever need to be duplicated or the length of digits increased? | It's not even 16! Only 9 numbers for an account. > The first digit assigned to all Visa cards is four, and the second through sixth numbers are connected to the financial institution. > Then, the seventh through 15th, are the account number, while that final 16th digit is the check number But you have 0-9 possibilities... |
What are the benefits of Stop Motion Animation over CGI? | High quality CGI can be vastly more expensive than other methods. Of course, each creator has to choose the artistic style they want their work to be in, that is certainly a consideration -- but so is cost, and it may be a tradeoff |
How come there are brands of beer and liquor that are universally known and widely consumed, but no such brand exists for wine? | You got yellow tail, Charles Schwab, barefoot. They are tons of big name wine brandsEJ Gallo, Constellation Wines, and the Wine group are the three biggest wine companies in the US. All together they ship something like 250,000,000 cases of wine a year. They own a wide variety of smaller brands and labels. Several fact... |
What is metafiction and the various ways it can be used in books? | Normally, part of writing a story is getting the reader to forget that they're reading a book. You want the reader to be engrossed in the characters, the dialogue, to feel that these people are real people and these events are really happening. Metafiction is intentionally reminding your reader that they're reading a s... |
How does "wrapping" a vehicle work? | Okay so generally you just throw on a decal and if it goes over cracks you simply cut the sticker in that location and fold the rest inside to make it flush and even. It's surprisingly easy and does not take a long time. For huge decals, they all ready know the measurements of the ad or sticker and can simply look at t... |
Why are we more tired waking up than we are falling asleep? | Your body produces a chemical which makes you sleepy. It takes time for your body to make it, and time for your body to get rid of it. You wake up feeling tired because there's still adenosine in your system, once it clears out you feel awake. |
What do the lights on my computer mean? | Take a picture and post it for more accurate information. One is power and the other is your hard drive |
why does heat rise in a building or room? | Most answers so far are correctly mentioning that hot air is less dense and so it rises, but they're leaving out some crucial details that can still be explained in layman terms. And that is, the hot air isn't rising because of some inherent property of hot air, but because it is being pushed up by the cooler, denser a... |
Why aren't the obvious inhumanities in North Korea receiving as much attention as the holocaust currently does? | If Hitler had stayed in Germany and only killed German Jews, and only messed with the German people, we might not have cared as much as we did. The two scenarios are not comparable.For one, the Holocaust was multinational while North Korea does its atrocities within borders. The Holocaust affected anyone who was in a N... |
Why I can't use my mobile phone in a fuel station | Because people thing electricity magically comes out of a phone, causing a spark and setting fire to gasoline. There is no hard evidence however, only static electricity may ignite gas. Gas stations do this to protect their asses if a fault occurs and people blame a cell phone. By the way, no cell phones have ever been... |
What makes gold conductive but not magnetic? | Paramagnetism has to do with unpaired electrons . Unpaired electrons can be forced to align with each other, which is magnetism. Conductivity on the other hand has to do with how much energy it takes to excite electrons to the next higher energy level in the molecule, which depends on the bonding with other atoms. It h... |
Why is cooking on a gas stove so much better than electric? | It's easier to control the heat. If I go from high heat to low heat on a gas range, the change happens instantly. If I go from high heat to low heat on an electric range, I have to wait at least a few seconds for the heat to actually change enough to slow down the cooking process. The reverse is also true -- hot takes ... |
Why fighting/sports game servers are always drastically worse than say fps/moba servers? | One of the reasons could be the nature of how sensitive the games are to delays and how well the games compensate for it. MOBAs and RTS are generally less sensitive to timing and the skill is more based on situational awareness and paying attention to multiple things at once than it is about reaction time. I would expe... |
What happens when I'm running hard, and my body reaches the point of wanting to stop, and my breathing becomes extremely more violent and fast then normal? | When you run, your body consumes more oxygen. At a certain level of exertion, you consume more oxygen than your lungs are supplying, so you breath harder. At higher exertion, breathing harder isn't enough, so your reserves dwindle, and you start breathing especially hard when they are about to run out.Every body part h... |
Why do females tend to have neater/nicer writing than males? | Because they write, "I love Johnny" a thousand times on their TrapperKeeperProbably because they are expected to, so they spend more time and attention on it then men. So in a way, because of this questionI agree with the part about teachers having higher expectations. My first grade teacher kept me in every day at rec... |
How do taste buds change? | there are many things that influence your taste budsmost important:first of all the needs - the human brain has an interesting way of telling what the body needs 1st it makes appetite for something specific 2nd when eating telling you how good/bad it tastes = > different age = different needs flora - over the years and... |
The political storyline of The Phantom Menace | Palpatine wants to be chancellor. He manipulates the Trade Federation into blockading and invading Naboo, which causes a crisis in the Senate. Queen Amidala travels to the Senate to sort things out and, seeing that the current chancellor is weak and unable to decisively deal with the situation, initiates a vote of no c... |
If taste is said to be 50% smell, then why do products such as scented soaps taste so bad? | Because they contain ingredients that are quite bitter , and the human body is very sensitive to bitterness as it sometimes indicates a poisonat a guess - the other 50% ??Scent provides much of the nuance and details of smell. Our tastebuds are responsible for the backbone of a flavor. and our tastebuds tell us that so... |
How does refrigeration keep food from spoiling? | The food spoils eventually anyway. It will probably be a mold. Life exists in a temperature band. Humans are warm blooded. We keep our body temperature very constant. Bacteria are much too small to do this. There surface area to volume is much too great. Bacteria have to exist at room temperature. But they will still g... |
Here in the UK why don't we have fire hydrants? | [This link] appears to verify that fire hydrants do exist in the UK. It appears that in the UK they are commonly marked by a yellow plaque bearing a black "H," and look like nothing more than a plain pipe instead of the iconic American-style fire hydrants and are probably located under a plate in the sidewalk or roadwa... |
Since 1080p/60FPS is so common on the internet and in video games, why is it not so common in other media like television or movies? | People are used to lower FPS in cinemas and they associate 60 FPS whit cheaper TV production as TV started to use it first. |
Why does coffee make my urine smell like coffee, but other drinks do not do the same thing? | Same thing happens to me. One time I even tasted it and sure enough it tasted like coffeeCoffee contains some compounds that are not metabolized well by the body, and are filtered out by the kidneys. These compounds are what give the coffee its scent. Most other drinks have compounds which are metabolized , and which a... |
What are Differential GPS (DGPS) and RTK (Real Time Kinematics) and what are their differences to regular GPS? | Regulation GPS detects your location by determining your distance from the known position of gps satellites. Differential GPS also uses stationery reference points with known exact positions and your distance to those as well. As a result it can increase the accuracy of civilian GPS to a few centimeters of error. RTK m... |
Why does a weird wavy patter appear if a small chequered pattern moves across a screen? | As always, there's [a relevant xkcd] for that! What you're seeing is a [moiré pattern], which happens when a repeating pattern is more fine than the sensor/resolution of whatever is photographing or displaying it. Think of aliasing in videogames, where an angled line has to be represented with square pixels and can end... |
Watching British TV today, why on this month there are guys wearing those red flower pins? | Remembrance day is coming soon. It's the UK's version of the US's Veteran's Day, which is also on the same day. They both commemorate the end of World War 1. The red flower pins represent poppies, and they are a symbol of Remembrance day because some of the fighting in WW1 was done in poppy fields. |
why do we move with the motion of a vehicle moving and the vehicle not slip out from underneath when we jump? | Remember that the Earth is spinning at around 1000 mph . As long as the speed as constant, you don't notice anything, it's the same for cars, trains, planes etc. If you jumped in a train that was accelerating quickly, you would land in a slightly different place. The skateboard would never be moving at a perfectly cons... |
To the drag racing enthusiast, why does the car with the slower time win sometimes? | It's called a holeshot win if the car with the fastest elapsed time does not cross the finish line first. If the reaction time to the green light is 0.00 seconds then it is a perfect reaction time, which means you left the stage beam at the exact time the light turned green. The timers don't start counting the elapsed ... |
What are gounds, in electrical systems? | A ground is a way to disperse electrical charge. Usually by just using the ground. Your house is grounded via large copper spike, or the ground is tied into a large network of metal like rebar. The middle plug on your outlets is the grounding plug, and occasionally you will have special fuses along your electrical syst... |
Why does it need to take a while for humans to reach climax? | Well actually, we aren't the only ones that have relatively long sex. And long sex is kind of individually variable. The 30 min-1hr porn videos out there include multiple takes and the men are better able to regulate themselves. Sex in humans can range from just a few minutes to 20 min usually. Camelids, like alpacas, ... |
Why don't we vote for the Vice President or other powerful positions in the government? | The Vice President has almost no actual power. Their only real responsibility is casting tie-breaking votes in the Senate, which hardly ever happensYou do? And the basis of representative government is that it takes too long and is impractical to vote for every post and everyone, so you elect people you should trust to... |
...Why is methadone free for addicts but not chemo for cancer patients? | Because health care in the US is fundamentally broken. All medicine should be available to all in need of it as a fundamental human right, and any system that doesn't implement that is broken by design. |
Why does my eye color seem to change from blue to green and vice versa depending on what I'm wearing? | Your eyecolour remains the same. The thing is though, we humans perceive colours based partially on the colours surrounding that colour. You know, like those little 'which of these squares is dark, *PSYCHE* they are actually the same colour' images. Your eye colour looks difference because the things we rate it against... |
Why have we not found a cure for colds? (If there is, I wasnt aware) | "The cold" is not caused by a single virus, but a constantly-mutating family of viruses. That makes it nearly impossible to vaccinate against, unlike polio or smallpox. |
What will happen if you completely draw the blood out of a person for 1 second and then pump them back in? | The extremely low blood pressure will cause blood flow to practically stop. This could cause oxygen starvation but if you're fast enough to restore blood flow within a minute or two then you probably won't cause permanent damage. This time window can even be extended further if the body is cooled down, which is current... |
What will happen if all the bees die, realistically? | bees are a critically important pollinator of flowering plants. without bees a huge number of plant species would go extinct. it would be a disaster. |
What causes some people to have a lisp or to not be able to pronounce "R" sounds correctly? | I had this problem as a child . In my case, it was apparently lack of perception and lazy enunciation. I didn't actually realize that I was doing it when I said things, they sounded OK to me. Of course, I knew what I was trying to say, and apparently my brain paid more attention to what I was intending than the feedbac... |
How does a moon pool work (wet porch) | Yes, air pressure would be the same as water pressure. The bends happens when you reduce pressure too quickly, which is why it is also called decompression sickness. As long as the diver didn't come out of the wet porch and then immediately reduce the pressure to 1 atmosphere, they would be fine. |
What's going to happen now the US Goverment is shutting down? | The effect is really going to be determined by how long it takes congress to get off it's fucking ass and stop bickering. If the shutdown lasts less than a week, there probably won't be very much of an effect at all. A few federal employees are going to get a few days off and a few national monuments, parks, etc, are g... |
What determines whether a prisoner goes to a minimum, medium or maximum security prison? | One aspect that hasn't been posted yet is revenge. The guy that spied for the Russians and was named the biggest spy in US history is also serving his time in a supermax prison in solitary confinement despite not being a violent criminal. It is the government taking revenge. |
Why is milk so popular for humans, even though among mammals, milk is only consumed when breastfeeding the young? | There was a genetic mutation about 8,000 years ago that allowed humans to keep consuming milk into adulthood. It made the domestication of dairy cows possible, and made the populations who had the mutation a *lot* more survivable in harsh climates. Later, into modern times, that mutation led to a lot of very delicious ... |
If cookie dough comes with a warning saying "Do not eat raw cookie dough" then how is it that restaurants are allowed to sell cookie dough ice cream and milkshakes? | That's specially made cookie dough, often times without the raw egg. Basically it's designed to be consumed 'raw' rather then actual cookie dough which assumes you are going to cook it and is prepared as such.Does anyone ever follow that? Because I see cookie dough and I have to have it. |
What happens if a severely handicapped child is put up for adoption but never is? | The state will step in and the now young adult will be put on disability. or if the disabled person is not able to partially care for his/her self they will most likely be sent to a special needs nursing home. |
Why, in nutrition facts, do they label it as sodium rather than salt? Are they synonymous or is sodium considered separate? | "Table salt" is generally accepted as being sodium chloride, but there are substitutes - potassium chloride for example. No sodium, still a salt.In chemistry a salt is a compound that dissolves into ions in water. Table salt is sodium chloride . When it comes to nutritional facts, it's the sodium that is the potentiall... |
if any of 7 newly discovered planets turn out to be habitable by humans, how would it impact the future of earth based on the fact that it's 40 light years away? | It wouldn't. Even if we decided 40 light years was am acceptable distance for humans to attempt to colonize. Current spacecraft can travel 17,500mph, the light travels 671 000 000mph. This means that it wouldn't take us 40 years to reach the planet, it would take us 1 533 714.2857 years. Longer than homo sapiens have e... |
how dreams can feel so real. | Everything you *experience* is actually just **your brain's interpretation** of signals its receiving from your eyes, nerve cells, nose, tongue, etc. So think of it this way. Imagine you're blind and you have a person who describes everything that they see to you. They've been doing that to you for your whole life. The... |
How do new Chinese Characters get made? | Chinese and Japanese characters are made up of a limited number of [radicals]. Each one has a meaning, and new characters, when they are created, are made by combining existing radicals. |
Why is Dark Matter considered to be so important for scientific advancement? | There is a lot of it. Dark matter and energy make up over 95% of the universe. Regular matter and energy make up the remaining 5%. Compared to regular matter we know relatively little about dark matter. We can't see it, but we know it's there because of its gravitational influence. |
When reporting live out of the studio, why does it take a few seconds for the news reporters to respond? | After having worked with Soldiers in the broadcast journalism field, here is the correct answer. The correspondent in the field knows what the first question is going to be and is taking stage directions or getting updates from the producer or the director. When the first question is asked, stage directions are still b... |
How automatic weapon can count to three when firing in 3-shot burst mode? | I'll assume you know how rifle's work in the first place. From what ive managed to see online Its basically a ratchet or cam system that determines how many shots are allowed in burst fire. I'ts quite complicated and I cant find much on it but there you go |
Why is FM radio so much more popular than AM radio? | Better sound quality. An FM signal has better dynamic range, and its volume is not tied to the strength of the signalAM radio signals can only broadcast a Mono signal whereas FM broadcasts stereo which obviously is what music is recorded in. Also FM signals are much most powerful the AM so it comes in clearer and goes ... |
if dinosaurs and other long extinct mammals were so massive, why then are their evolutionary descendants so small? | Being big requires a lot of energy and resources. So in a time when resources were scarce, being able to get by while being smaller was of an evolutionary benefitOxygen content of the air would be a contributing factor.Millions of years ago there was up to something like 20% more oxygen in the air than now, so animals ... |
What caused Pangea to break apart? | Pangea broke apart because of the movement of the tectonic plates. You know when you cook pasta how it moves **up** - **in to the center** - **down** - **out to the sides** like a continuous circle? Its the same with the plates, they move because of the hot magma inside the core/Earth "spinning" around, and the pasta a... |
why does tensing your legs help you reach orgasm? | Best ELI5 Answer from the previous thread - An orgasm is, partly, an uncontrolled muscular spasm. By tensing up your legs, you're tensing up other things, and by other things, I mean your ass, since it's hard not to when you're tensing your thighs. When you tense up your ass, you also tense up everything in the general... |
Florida Amendment 1; solar energy. | Masquerading as a pro-solar energy initiative, the proposal would explicitly grant homeowners the right to install solar panels on their houses – a right perhaps some Floridians don't realize they already have, and do not need a constitutional amendment for. The amendment actually paves the way to drastically stunt Flo... |
What would happen if two planets got REALLY close without touching? | Depends on their trajectories and respective masses, but it could launch one into a new orbit or send one into another solar system.They'll most likely break up due to Tidal forces. You can see an average of about 10 feet of ocean rise every day due to the tidal influences of the Moon, which is 1/8th of the mass of the... |
Why are blueprints blue, and not another color? | Actually modern blueprints are black on white, but the name came from when they were white on blue. This was because one of the earliest copy process resulted in white lines on blue background. With architectural and engineering drawings where there a re lots of little details and accuracy is very important, making exa... |
Why can't I use spaces and certain symbols in website usernames? | Because their developers are lazy. All printable characters *should* be allowed, although spaces are a bad idea, because they are a field separator.Sometimes it's because the programming language doesn't support those characters without extra work. The characters could interfere with the rest of the code. In some cases... |
How do people die almost immediately when the throat is slit? | No blood, no air to brain, die. Not instant but very quickly as a lot of blood goes through the throat area. Source: don’t got one |
What exactly is radiation and how does it affect our bodies? | technically speaking radiation is anything emitted. So light is radiation, so is heat, you can radiate almost anything Assuming you mean nuclear radiation from what we consider radioactive compounds: Radiation are tiny bits of energy given off by nuclear reactions/decomposition. When an atom splits into smaller atoms i... |
What does it really mean if "four out of five" dentists approve my toothpaste? Does someone actually poll dentists? | The marketing firm polls the dentists. The polls are unscientific as hell - a usual scenario would be "Here's a big box of free toothpaste. Now, would you recommend using SmileWhite brand toothpaste, or no toothpaste ever?" Edit: Most toothpastes are basically identical products - powdered chalk as a polishing agent, w... |
What is happening in the middle east and why is there more conflict than usual? | The Arab Spring threw a lot of the old leaders out of power or reduced their power. As bad as Ghaddafi, Mubarrak, Ben Ali, Saleh, et al were, they provided stability. If we're being honest, the things that made them awful dictators are also what made their countries stable. In a lot of these countries and societies, th... |
Why are biracial black-and-white people referred to as black but never as white in America? | The US Census and laws played a huge part in this. The so-called "One-Drop Rule" made it to where legally, if an individual had a drop of black blood in them, they were considered black. This was clearly a tool used to disfranchise people of color. This is an interesting policy to juxtapose with laws regarding status a... |
Why does playing music in the background of a social gathering put people at ease, allowing them to talk more comfortably whilst removing that awkward feeling? | Maybe simple because when there's only silence, whenever you start talking, you feel like everyone is listening to what you're saying and so you feel some pressure.When there's music, you feel like what you're about to say isn't going to be the instant focus of everybody in the room. |
why the last play of the Super Bowl wasn't pass interference. | > Pass interference is called if the defensive player contacts the offensive player while he is trying to catch the pass, *unless the defender has turned his head to face the oncoming pass and is attempting to intercept it*. Accidental, glancing contact is not penalized. So, the fact that the Patriot's player was facin... |
How do things like creams, liquids, and lotions easily soothe and heal you by just touching your skin? | Your skin isn't solid, on the smaller scales. Its actually a lot like a structure made of [bricks and mortar]. Certain chemicals and methods can use the tiny fissures to allow compounds to reach your dermis. That part of your skin can more readily absorb chemicals, much like your digestive system. Not as fast as your s... |
What is the necessity having to double-press a key fob to get all the car-doors to unlock (as opposed to just pressing once)? | As a safety feature, the first press unlocks only the driver's door, so that you are not unlocking the doors on the other side to potentially admit a stranger into your car. |
How can we be sure that irrational numbers never end? | For the square root of 2, there's a proof that it's irrational. If √2 were rational, it could be expressed as a fraction of two integers , so let's assume that's true. √2 = a/b. Let's also assume a/b is reduced as far as possible, so that there are no common factors between a and b. Square both sides, and you get 2 = a... |
Why does someone who's depressed because they're lonely also not want to socialize? | Generally because these people are afraid of being in social situations. These people, are often socially anxious or awkward. What is important to understand, as a side note, is that the root of social anxiety is the fear that people are constantly judging you when really they're not. |
what happens to you after you sign a 4 or 6 year contract in the armed forces and then you immediately get discharged? Whether it be disciplinary or medical. | With a medical discharge, nothing negative. Other than of course you have some kind of long term medical disability or else they would not have discharged you. If it happened as part of your service you will probably get some kind of disability payment. A discharge for disciplinary reasons is either a general or a dish... |
Why is your wrist associated with a fast metabolism? | My unscientific guess would be that it is just a correlation. Being able to wrap your thumb and middle finger around your wrist would suggest a lower level of body fat and/or fat around your wrist. Lower levels of body fat are generally caused by a faster metabolism, whether it be through genetics or diet/exerciseis th... |
How do we know that global climate change is directly influenced by man & not just correlation? | There have been plenty of studies proving that. Here's the simple answer: 1. The average global temperature is increasing much, much faster than it ever has before. 2. We have a model of humans' effect on climate whose predictions line up with our observations.How do we know anything that happens is caused by something... |
Why do we seem to get hungrier faster when we eat breakfast? | Breakfast = break fast. Your body was in a *fasting* mode for a long period, if you skip breakfast your body will still be in a fasting mode until you eat again. Once you've eaten your body is more active, using energy, and digestion is going full speed ahead. You get hungry again in a few hours. |
Why are people still being born with wisdom teeth if they don't fit in most modern mouths? | If it doesn't increase or decrease the number of children you have, evolution doesn't give two tugs of a dead stegosaurus's thagomizer whether it stays or goes.because those who are born without them have no benefit over anyone else in regards of surviving or mating.if people would die because of their wisdom teeth, sl... |
How does a chiropractor not break your neck when they adjust you? | It is actually fairly difficult to break the neck, and the movements a chiropractor imparts on the neck aren't moving them out of their regular range of motion. They would need to really work to break someone's neck, doing things outside of their normal range of quackery. |
Why are certain numbers in computer programs capped at 99 or 999? | Because the author limits the display to just 2 or 3 digits. Usually to conform to some screen display constraint. Spacing the digits display so there's enough room to the left of it for something else |
Why does 'ingenious' mean almost the same as 'genius'. Shouldn't it be the exact opposite? Who comes up with this stuff? | It's just a coincidence actually. Ingenious is from french . Of course, it started in Latin, but then as ingenium. Ingenium means a inborn trait or ability. . Ingenium also lead to engineer and engine. Genius is once again from Latin . So the words started as two different things, and grew to have the same meaning. It ... |
Why don't positrons react like that? | The Ghostbusters infamous backpacks are supposed to be "positron colliders". When positrons collide with electrons, they either destroy them or scatter, they dont create magic lassos. |
Why haven't Chinese, Japanese or any other language with thousands of characters been extremely simplified? | Japanese has phonetic alphabets, known as hiragana and katakana . If a Japanese person wanted to write purely in phonetics, they could. That said, having unique semi-pictorial characters helps to clarify on the use of homophones . Chinese also has been [simplified] over time. There are a number of reasons why the compl... |
Why are dresses and skirts traditionally considered feminine, while pants are traditionally considered masculine? | Men began wearing pants regularly when horses and horse riding became one of the main methods of transportation, hunting and waging war. It was rare that women would take on these roles, certain cultures and tribes notwithstanding. What rose from necessity and practicality, eventually became the norm and the tradition ... |
How were Dinosaurs first discovered? | People have been discovering Dinosaur bones since prehistory. Back then smaller bones would have probably gone unnoticed as being different, very large bones were usually ascribed to mythical beasts. Some people have suggested that most mythical beasts were the result of discovering bones of extinct animals and piece t... |
if Obama doesn't agree with the FCC chairmen's comment about internet fast lanes could he appoint some one else that does assuming the supreme Court allows it? | The FCC job requires confirmation by the senate in addition to appointment by the president. He can't unilaterally remove the FCC chairman. |
[META] Two suggestion for ELI5 | I'm not a moderator, but I 've heard #3 a bunch of times, and when it comes up, the founders of the subreddit are generally pretty opposed to it. They don't want contributors to feel as if they must be a certified expert in a field, having a better-than-average knowledge or even just the ability to digest complicated i... |
why does the flu shot make my arm sore? | Actually, it has to do with a few things - the preservatives in the vaccine and the inflammation response from the vaccine itself. |
Does it take more or equal power to charge a battery than what you get out of it. | It takes more power. A batter doesn't store all the power it gets. Ever touch a battery that has been charging? It gets hot. That heat is energy that is being put in, but not stored. |
how does sucking helium change the sound of your voice? | It's lower in density than air , so sound waves travel through it more quickly. Contrast sulfur hexafluoride, which is much heavier than air: _URL_0_ |
Does fiber networking rely on our same visual "Roy G Biv" spectrum? If yes, can current technology use the colors like channels to increase bandwidth? | Fiber works on infra-red light, rather than visible light. The reason for this is that glass is more transparent in infra-red than visible. Visible light only has quite a short range in fiber, whereas infra-red can go 50 miles, and more importantly, infra-red can be boosted by erbium-doped fiber amplifiers However, yes... |
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