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Why is it that every day at 2ish I hit a wall and feel so tired I could fall asleep in a trash compactor, but in 20 minutes I'm fine? | Ooh ooh, I know this! Hold on let me grab a diagram Okay, back with [this]. Basically there are two different processes at play as far as sleep goes. The first, our sleep drive, builds from the moment we wake up. The second drive is our circadian clock which in part sends an arousal signal to our brain. The arousal sig... |
Where does the stereotypical pirate accent actually come from? | I work with some Cornish guys and can confirm they totally sound like pirates. Most of the time I can't understand what they are saying. I just smile.It comes from Cornwall. Some people in that area actually sound like pirates in real lifeA while back I heard Robert Newton, the actor who played Long John Silver in The ... |
Why don't airplanes board from the back first as opposed to boarding from the front first? | Because increasing the efficiency of boarding is of such astronomically low importance it's not considiered important. Why? Because the plane is never waiting for people to board to be ready to go, the plane is waiting for refueling/light maintenance, or for runway space, or for the pilot to do checks. Best case scenar... |
If I fold a piece of paper 42 times it would reach the moon | If you fold a piece of paper in half, it's now twice as thick as it was originally . Fold it in half again, and it's now 4 times as thick as the original sheet of paper . Each time you fold the paper in half again, it doubles in thickness. If you could fold the piece of paper in half 42 times, it would be 2^42 = 439804... |
ELI5: Why is Hitler always thought of as the most evil person in history, when others like Stalin, Pol Pot, Chairman Mao, and the Kim Dynasty are debatably worse? | Hitler industrialised killing, just shooting people was taking to much resources so his regime focuses on a more efficient and systematic way of killing people. on top of that he started world war two and that made him a commen enemy for a lot of nations. Unlike a lot of evil people in history he also spread across it ... |
Why does the Reddit search engine suck so badly? | It takes a lot of effort to make a search engine work well. Before the google search engine was refined, it used to return different searches based on whether you entered the singular or plural because it did a perfect match search only. Same deal here. These people don't have the same team of genius-level computer eng... |
since some planets are solid planets and some are gas planets, why aren't their liquid planets? | Planets aren't all solid or all gas, they all have all 3 states of matter usually. The gas giants have a solid core, and probably liquid layer between the gas and the solid core. Earth has a gas atmosphere, solid surface/core, and a liquid outer core. |
Why does the GOP typically have more candidates in the primaries? | FYI in today's New Hampshire primary, each party had around 28 candidates on the ballot. The media--and reality--dictate that only 2 Dems and 9 Reps are currently nationally relevant. |
What is adrenaline and why is it such a powerful drug? And how do doctors get them in syringes and can be administered as shots? | It's used by the body in fight-or-flight situations. It's the body's way to get everything important running in overdrive for a short time so you don't get eaten by a predator. It's made in a lab, or can be isolated from animal adrenal glands . It's also actually called epinephrine. |
The global(or just the United States will do) financial crisis of 2007/2008. Will there be another? | yes, over and over again. central banks and regulation that creates massive bubbles will continue to happen as long as such institutions are in place. if they weren't then certain industries would have slumps or perhaps even the bottom falling out, but in all cases these are basically just market corrects and without g... |
If race is not a valid concept for categorizing humans, why do we still use for it things like censuses and surveys? | Scientist here: there are significant differences between races, significant enough to affect which race we do studies like GWAS in. Whoever told you race isn't a scientifically valid concept is provably wrong.> Virtually every country Also not a scientific concept, but we still use it to categorize people. If people d... |
Why can't we find a good sleeping position at night, but when we wake up, every position is comfortable? | Sometimes when I have a hard time getting comfortable in bed it's because I have to pee and don't really notice it. Next time you have a hard time feeling comfortable in bed, go try and take a pee and see if it helps. |
What is the Military Industrial Complex and why did Eisenhower say to fix it? | The military industrial complex is total removal of all law, rights, freedom and growth in the economy and handing over all ownership for eternity to people who kill other nations for a living. If it isn't fixed your destiny is to be a slave forever who can be killed at any time and all parts of your economy, life, etc... |
what is special about a mechanical keyboard? | When using a rubber-dome keyboard sometimes you don't realize that you hit a key and you end up hitting it over again when you are typing fast. Generally mechanical keyboards have faster response time, higher build quality, aesthetics, and the satisfying clack. |
Why don't Asians eat brown rice? | Mostly because it takes longer to cook . And also because it's not as fluffy and bland-tasting, which is often what is wanted so that the rice doesn't compete with the flavor of what it's being served with. |
I have a cold and when I'm standing my nose is clear, but if I sit with my back straight it gets clogged again. Why? What's the difference? | Your head may be tilted down more when you are sitting down and up more when you're walking around. Possibly because you're changing your head position more when standing up.If your nose isn't clogging, when the snot is going down the back of your throat. When your nose is clogging, then it's getting trapped in your si... |
What would happen to animals that sleep during the winter if there where a sudden ice age? | Wait, aren't we still technically in an ice age? As hard as our species is trying, there is still ice at the poles etc |
Why are most terrorists we hear about Muslim? Is it just a bias in the media or is something about Islam making it more susceptible to be used by terrorists? | Because there are far more attacks from Muslims than from any other religion even though some politically correct people will deny this out of fear of being labeled as bigots. Terrorist Attacks Muslims: August 8, 2015 - August 14, 2015 | 52 Jihad attacks, 8 Allah Akbars, 902 dead bodies, 686 critically injured. Christi... |
What's the purpose of push to start buttons in cars when you still need to have the keys in the ignition in order for them to start the engine? | I haven't seen a push to start button where you NEEDED to have the keys in the ignition my mom's volvo does have a slot for the key, but she can still operate the vehicle as long as the fob is somewhere in the car |
why can I use my finger to use a smartphone but not other objects like a pencil? | It detects capacitance . Our bodies have an electric charge so our fingers work, but a pencil doesn't have a charge. |
Why are vacuum cleaners so loud? | Doesn't Reddit have a resident vacuum expert? An /u/earthquakeguy of vacuum cleaners. I wish I remembered his username.My in-laws had an huge unit in the basement and you could connect a hose to several sockets throughout the house. Not as loud But as someone pointed out you can only pick 2 and this was not a cheap sys... |
Explain the process when groups like Anonymous agree to perform a DDoS. | Say Mr. Web Server is having a grand old time being a bartender. Mr. Web Server is a great guy with lots of experience, but one day it all went wrong. A ton of people showed up at the bar, and made a line where they would ask for a drink and then pour it on the floor and not pay. Then they would go to the back of the l... |
Why is virginity associated with purity in many cultures/religions? | In modern times, it's just a legacy issue. In ancient times, raising and more importantly feeding children was expensive. A virgin was not carrying the child of another man. Any other reason is a cultural reason that developed to justify that reality. |
How do rollercoaster designers account for the varying weight of passengers? | When designing for a specific sector there are standards set out by regulatory bodies that must be adhered to to make your design legal and to continue its design process. I have a friend from university who designs roller coaster rides and if I recall correctly as standard they are required to use the 95th percentile ... |
Why Is Gold Worth So Much, Or For That Matter, Anything At All? | Because it is shiny. People like shiny things and have for a very, very long time. The result is that a good proportion of the world's population perceive gold as a symbol of wealth, fortune and power. This in turn makes it even more desirable, which in turn gives it a value . The amusing part is that due to the value ... |
why can humans go crazy? | It would be far more shocking if nothing could possibly go wrong! If we had no mental weaknesses or frailties whatsoever we'd be the only thing in the natural world that never breaks down. Literally everything else around you can break down. The earth itself can fracture so violently that it destroys cities. Why should... |
Why are movie/tv film makers choosing such dark lighting? | One of the answers I didn't see is adjustment for brightness. Most people simply buy the brightest TV they can afford, these are universally horrible when it comes to color rendition, simply because that nearly black screen becomes over brightened. To compensate some distributors are actually adjusting the brightness d... |
How does VOIP work? | Exactly how u/bbqroast described it - simplified. Sounds into your phone --- > > converted to 1's and 0's and sent over a digital network ---- > > converted back to sounds and heard on the other phone It works the same way when listening to MP3 files, only the conversion happens in your phone/iPod before sending the so... |
Since I don't understand the Oracle, Google lawsuit, what is an API? | API stands for *Application Programming Interface*. They function as a set of common tools that programmers can use to connect applications to each other. They are primarily used to help automate common functions and streamline the process from the user's perspective as well as the back end systems. Without API:An app ... |
What problem do people (parents) have with vaccines? Is it mainly a phenomenon in the US? Why? | It's not just in the US. It's in developed countries around the world. The first child to die of diphtheria in a century was in Britain because the parents refused to vaccinate their baby.Penn & Teller do a great bit about this on their show Bullshit: _URL_2_ |
If cats like eating mice, why is it not possible to buy mouse flavoured pet food? | Wild cats certainly do like eating rodents, including mice it's their primary food source. Pet food companies don't do much of anything in the interest of the animal, they base their product on profit margin and marketability to people. Cats leave you their kill because they recognize that you are a shitty hunter, and ... |
Please explain rhesus negative incompatibility during pregnancy? | I'll give it a shot. Rh factor is an antigen present on the surface of red blood cells. If an Rh- person gets exposed to Rh+ blood, their body will make antibodies against Rh factor. Then, the next time the body encounters Rh factor, the body will attack it. This can be troubling during pregnancy. Contrary to popular b... |
How are my weighing scales at home able to measure my bone mass, muscle mass, %fat and %water just by me standing on the glass weighing part? | The ones with the metal pieces use electicity resistance to try and measure water content of your body. They then use your weight and if they've asked for it your height to make some guesses. But they aren't super accurate. |
Why do people who are abused as a child (sometimes) become sexually compulsive later in life? | Often, they're compensating. I've been going through therapy for a lot of issues in my own past, and thankfully none were sexual assault, but I think the theory holds. I dive into a relationship right into the deep end because I've had very few deep connections in my life and was often uprooted, so I'm always looking f... |
Is constantly drifting in and out of sleep bad for my body kind of like repeatedly powering on and off a laptop? | I enjoy doing that because it helps me remember my dreams. I set my alarm with a 10 minute snooze an hour before I need to get up. That gives me six dream resets before I need to wake up. If I'm in a dream I like I can usually go right back into it. |
What causes DNA to mutate? | It basically does just happen. You know how sometimes when you're doing a math problem, you accidentally read 2 * 3 and write down 5? Your cells do the same thing, except with your DNA. |
If _URL_0_ is so illegal, why hasn't it been shut down? | It's not illegal in the country/countries where it's based. Also that's why it moves frequently. |
Why can't America just switch to the Metric System? What would be the repercussions? | For one, every highway street sign and speed limit sign would have to be replaced. That in it of itself is a huge expense which serves as a significant barrier to the change |
Why can a company say flat out 'We don't hire people with dreadlocks'? Isn't that discrimination? | Discrimination in the United States kind of works like a blacklist. Employers can discriminate for any reason until it gets added to a list of things that receive discrimination protection. Age, sex, religion, etc. were added to that list, so employers can't discriminate based on those things. Hairstyle is not on that ... |
How are video game AIs programmed? Is it a just a long series of "If Then" statements? Why are some AIs good and others terrible? | Two-fold question. One side of this is organization of code you could ultimately reduce AI to a series of If Then statements, but that only works well for games that adhere to a strict set of rules. Of course you could have an infinite set of rules but that would be rather time-consuming. The other side is what actuall... |
Why do so many well received British T.V. shows only run for 1 or 2 seasons, while well received American shows run and run. | A lot of British producers try to always end a successful show on a high rather than letting a show degrade into a shadow of its former glory. I've also read that a lot of the US networks are incredibly pushy when it comes to more content for successful shows and often plan 3 or 4 series ahead. |
How come people of African descent from the US and Europe convey their ethnic identities so differently? | History of American Slavery, kind of a 'duh' moment. Few black people in america know anything about their ancestry, let alone what part of Africa they came from. Also their culture is so removed from African culture that it really isn't that relevant in general. |
Why there was a 'leap second' added to the end of 2016? | Because our calendars aren't exactly 1 year in terms of Earth's orbit/rotation. It's the same reason we have leap years, just on a smaller scale. |
Why must you turn off all electronic devices when you put petrol in a car? how does a a radio or a phone affect the pump, or is it to do with concentration? | You really don't need to nowadays but the general idea is that the fumes from the gasoline, which are flammable could come in to contact with a spark and ignite, causing a fire or explosion. The idea is that the electricity in the phone could cause that to happen. In reality, it takes quite a bit more than that to caus... |
Why some people get thrown away when they get Electric shocked and some people burn dead at the same place? | Your muscles communicate with your brain using electric signals. The current from most unnatural sources is many orders of magnitude more powerful than what your body uses and this overload causes the muscles to contract powerfully. If you were grabbing the live wire, your hands will clamp on to it with all their stren... |
Why can I tap my fingers from pinky to index faster and more fluid than index to pinky? | Because you're more used to pinky to index. If your practice they will both feel the same. |
Why are routers and modems commonly sold separately rather than contained in one unit? | Most modems I've seen actually have a 4-port Ethernet router and many even have 302.11 B/G/Whatever-the-current-version-is wireless router capabilities. . Those that don't have those features aren't extremely common because of the very fact you touch upon: It's more efficient to use one device than multiple. |
How did the program they used for the show "Deadliest Warrior" work? | As long as its got those stereotypical wavy lines and spinning globes and a random constantly changing bar graph thing, that's all I need to know that its totally legit.iirc the guy did an AMA last year about it. |
What makes some people a "morning person" and others not? Is it possible to become one? | Short answer, yes. Here are some tips I've found over half a military career. First of all, there is no substitute for practice, as in all things. The first day of waking up early *hurts*. Personally, I find that getting up before the sun is exceptionally painful, so start by waking up a few minutes after dawn, assumin... |
Space - Instead of traveling to other planets why can't we just stop and wait? | > Why can't we leave earth and stop moving and wait for the next system of planets to travel to us? Because stopping moving is the same as moving to somewhere else. Its effectively the same. Stopping relative to say distant galaxies means gaining massive massive speed in the direction you want to go. |
What are the benefits of having lots of Reddit Karma? | Trollin' gold. It allows you to speak your mind without worrying about getting downvoted heavily enough to get nailed with the posting limits.Self satisfaction is about it. If you can even call it that. |
How does one get "addicted" do cigarettes? | It's an addiction. It's like wanting water when thirsty. You just get 'thirsty' a lot. |
Is animal milk healthy for adults? Or is it harmful? | Compiling statistics based on what people eat and how their health changes over time is hard, because people eat a wide variety of things, and aren't great at reporting it to researchers. There is a rock solid piece of evidence however, in that the ability to digest raw milk as an adult is a mutation, called lactase pe... |
What is stopping anyone from tampering with train tracks? | Mostly just logistics. Tracks are pretty hardy, but if someone really wants to sabotage them, they could do so. The thing is, you could say the same about just about any roads or bridges. If it was someone trying to make a statement, like a terrorist, it's a lot or risk and work for relatively little payoff.[Signaling ... |
How can stuff be "rediscovered" in museum collections? Don't museums keep a detailed list of everything they have? | In the early days of museum collections, they would often receive hundreds of items at a time and would hastily sort them or display them. In their haste, they often didn't take detailed reports of what they had or may have overlooked an item. Then 50-70-100 years later, some new guy is going through the inventory whil... |
why do people on Reddit hate reposts? | Reddit was founded as a link aggregating site: it's a place where you go to be directed to other interesting things on the internet. So, reposting something on Reddit was kind of like running the exact same article in a newspaper twice, everybody's already seen it. |
Why does leftover dinner taste so much more different than when it was freshly made? | To add to the question why is it that I'm always adding salt to leftovers? Where does the salt flavor go? |
What did the first single celled organisms evolve from? | We can't know for sure unless we get improbably lucky with a fossil find, but the prevailing theory that I am aware of is as follows: organic chemicals leached from the surrounding environment mix in interesting ways in shallow, calm waters. Out of the mixing, [lipids] form. The lipids naturally clump together, creatin... |
Why do planes need a billion buttons and switches in the cockpit? | Let's look at just the things you listed: > radio, lights, landing gear, flaps, engine speeds, tail rudder, and the steering wheel Not only are these systems much more complex, than lets say on a car, but you also have redundant parts to these systems in case part or all of the system fails. Plus you have systems that ... |
How is a credit card with a chip "more secure" than a strip in the US? | If you manage to copy the magnetic strip, you effectively stole the card. You can do anything with it. If you manage to intercept the communication between the chip and the reader, you can't do anything with it.You can't copy a chip in the same way. The magnetic strip effectively has a password written on it, and if yo... |
What is Learned helplessness and what is a typical example of it in today's society? | You're a girl, this is man's work. You're a man, men don't cook, get out of my kitchen. Both learn that they are helpless to do those jobs. In my experience, even the worst of those who have learned to be helpless can be taught to do a job. |
If flies don't bite, why does it hurt when they land on you? | It doesn't hurt when a fly lands on me, it tickles and is annoying. Maybe you are thinking of a certain type of fly? |
Why are practically all canned sodas and beers, even those from different companies, sold in exactly the same can? | I want to say only one or two major companies sell the cans. Ball I know is one of them . And it's also the best way to store a carbonated beverage . |
How come america does not have any foreign bases within its countries borders | There's no value in it. No country has reason to pay to set up a base in the US and the US has no incentive to allow them to do so. |
Extreme pain in ear after flying | Removed as not ELI5 material. See [Rule 2.] ELI5 isn't for everything; this post may do better in a different subreddit. Try /r/AskDocs |
Why do cigarettes have so many chemicals in them? | Most of the chemicals come from burning the tobacco leaf. Tobacco isn't a clean burning fuel, especially when its only smoldering, not burning. Where does tar come from? Take a pot and put it on top of a smoldering wood campfire. Make some coffee or soup or whatever. Lift up the pot. That sticky black stuff on the bott... |
Why is "Swatting" so easy? I feel like it shouldn't be that simple. | All you need is the persons address and the number for the police office in their town and you can report them for almost anything that would get them swatted. In the past people have said that streamers were holding people hostage, have people kidnapped and locked in their attic, anything scary enough for the police t... |
what was illegal about the stock trading done by Jordan Belfort as seen in The Wolf of Wall Street? | Insider trading, manipulated marketing on that shoe company in wolf. The shoe retail company that Wolf's firm had was misrepresented to be worth alot of money. The reality was it was a small mid cap company with no money. Wolf's firm owned the company so it could put out false statements about it's equity and price. At... |
What happens when you die pregnant? | if the baby is developed enough to survive on it's own or with human/machine assistance then a c section can be performed to save the baby. if not then the baby dies with the mother. assuming that there is enough time to that. in the case of either saving the mother or saving the child, then the mother or next of kin w... |
If the earths Carbon levels have constantly been changing throughout history, How do we know carbon dating is not inaccurate? Aren't we assuming a constant when there is none? | Carbon dating doesn't have much of anything to do with the amount of carbon in the atmosphere. Radiocarbon dating measures the radioactive decay of Carbon 14 atoms into Nitrogen 14. How much carbon is in the atmosphere doesn't matter, as the ratio of C12 to C14 is the same regardless. |
Why does the United States have such a weak mental health care system and a general stigma against it? | From what I understand it's probably a fallacy to believe the US attaches a greater stigma to mental health issues than the rest of the world. |
Why do women shave their legs, but not their arms? | some girls do shave/wax their arms. The ones who do not might not have a lot of arm hair or it's harder to see . also, social norms.In the social world, clean/shaved/smooth legs are attractive on a female. The arms, not as much.Because women shaving, outside of their pubes, is a pretty new thing in context. Women start... |
Why does Google Maps blur out license plates when you can go outside and look at license plates all day? | People get pissed when they could keep your license plate private but don't. You can't stop anyone from walking around and noticing your plate, but Google can easily blur your plate, so why not?", 'Simply put: When I park outside, say, a strip-club, only passers-by will see my licenseplate . When [Google's car] passes ... |
Would an alien race plausibly send a signal transmitting prime numbers? That is, to what extent is math universal? | The whole point of the prime numbers was to get our attention, IIRC. A repeated pattern of primes in numerical order is highly unusual and improbable to occur in nature. Therefore it has to have an artificial source. To answer the question, though, math is utterly universal. So long as each party can understand the oth... |
Why militaries don't use railguns | I'm assuming that we don't have the technology to make one small enough to fit on a tank, or atleast it wouldn't be very powerful. |
Why does alcohol with high percentage alcohol not freeze in the freezer? | Your average household freezer just doesn't get cold enough. The freezing point of pure grain alcohol is -173°F, so the closer your alcohol is to 100% pure the lower the freezing point will be. |
How are film and TV scenes filmed from multiple angles concurrently? | Sometimes they use multiple cameras, but for movies it's more likely they do one camera at a time. And each shot is filmed multiple times. Then cut together afterwards. |
Why would an app developer choose to put their app on just one os( ios or Android)? Wouldn't they make more money having it on both types of devices? | 1. iDevice hardware isn't nearly as varied as Android is, and the OS is tightly controlled by Apple, resulting in fewer compatibility issues. 2. Programmers usually use only a few languages. On an iDevice, you have to use Objective-C. On Android, you can use Java, C/C++, and others 3. Not everyone wants to spend $1500 ... |
How do MMO's such as CS, Dota 2, etc. maintain such smooth gameplay between multiple players? | Smooth gameplay is accomplished by a few things: **sending only what's specifically needed** - for example, a player's location on the map, and which they're facing, might be all that is sent and regularly updated. It's up to the game running on the client computer to figure out if that player should show their running... |
What's the difference between glass and crystal? | Actual crystals have a structure in them that repeats very regularly throughout most of the crystal, like the lines on a sheet of graph paper. There may be occasional imperfections, but these are an exception to the pattern present in the majority of the crystal. Glass doesn't have any repeating pattern; if you picked ... |
Why is it that when there is a solar eclipse, the moon fits perfectly inside the sun? | Because the Sun is exactly as many times bigger than the moon is as many times smaller than Earth. Or something as such . Basically its a coincidence that the apparent size of both the sun and the moon from Earth are about the same which is why during solar eclipses the moon appears to fit perfectly inside the sun. If ... |
What dictates the intensity and length of an individuals sneezing habits? | In terms of sneezing multiple times, people who do that tend to be able to have multiple orgasms. I don't think that answers your questions, but enjoy that fact. |
How do people with eating disorders like anorexia function for so long on so little "fuel"? | I wonder as well .. if I don't eat, I get shaky and feel like I might faint. I wonder if that feeling goes away once your body realizes you're not going to feed it?", 'Bulimia here. When starving I drink a LOT of water. And I mean like a LOT. Like 10+ litres a day |
how did drive in theaters stop people from seeing the movie for free | It's been quite a while, but you would get speakers which attached to the window [roll it part way down, clip the speaker, roll it back up] and they were usually in an area where there wasn't really any parking nearby enough to effectively see the movie. |
Why is it so hard for our body to handle a cold? | To add onto what JeremyJustin said, > Taking medicaments doesn't push on the healing, just makes it more bearable. There is very little medicine that can treat a viral infection by actually fighting the virus itself. Colds are caused by viruses. Antibiotics do not treat viral infections. Cold medicine only treats the s... |
What is the difference between a bank and a credit union? What are the advantages/disadvantages? | One thing I don't see being addressed is not all CU are equal. Do your research! Yes, the chances of you being screwed over by a loan are far less but it can still happen. It did to my mom when she went for an auto loan . There are two others in our city that were far better. Also, YOU need to take some time and invest... |
Why is economic deflation a bad thing? | Deflation is not a bad thing. It makes economic down turns less painful and raises the standard of living for those earning wages or saving for future consumption. America had steady deflation for the entire duration of the most prosperous time periods in it's existence and the fact that economists learn theory in cont... |
what and why is mixing and mastering (music) good for? | If you don't know what it is then you absolutely must have a professional to do it for you or your music's going to sound like balls .You can do it yourself but it takes years and years and years to get good at it and requires a lot of dedication |
I didn't understand something about the Marvel movies... | Loki's staff gave him mind control, teleportation, invisibility, and the ability to create illusionary copies of himself. It was pretty dang handy. |
Why the US congress is trying to class pizza a vegetable | As a canadian, was hoping that this was some metaphor about the chaos that's happening in the US right now, but alas, no. |
Why are there so many ridges in the roof of our mouths? | Biologically it's used to help break down food. But for speech, it's used to help resonant speech sounds.As soon as I read this my tongue instinctively tested the roof of my mouth for ridgesThe ridges are there to help you eat fresh out of the oven pizza faster.What ridges? I thought everyone had teeth on the roof of y... |
Why do humans look distinctively different from eachother whereas almost all animals look the same as eachother? | I agree with the other posters. Anyone who has worked with animals for extended amounts of time can tell them apart easily, from both physical traits and unique individual behaviors too. They're as different from each other as we are. Of course distinction gets trickier on smaller levels. I doubt anyone could pick spec... |
Why do printers work so poorly? | Because printers are not technological devices, they are the devil's spawn. Long term use of a stubborn printer can cause serious mental problems. I've had so many different printers before and all of them were crap. Now I actually think that a malfunction is what a printer designed for and if it does its job without p... |
Why can engineering students get a 30 or 40 on an exam and still pass? | I just finished up my finals for my second to last semester of ME today, so I'll throw in with what everyone else is saying - limited time, no/limited references, and harder than average stuff. For example, today one of the questions on my capstone final was the [full derivation of an inverted pendulum controller start... |
Do Humans NEED to consume meat? And what are specific benefits of meat.. | If humans NEEDED meat, the bloody 1.2 BILLION people in India wouldn't exist. As much as 60% of Indians are lacto-vegetarians, they seem to be doing fine. If you're curious as to where they get their protein from, they get it from milk products that have large amounts of protein casein and through consumption of signif... |
Why do we preheat our ovens? | Recipe designers can tell you how long to cook something, but they are trying to control for variables. Cake mix suggests a specific size pan, to keep the shape consistent. Prepackaged foods can't control how fast your oven heats up, and pre-heating is a solution for that.Its simple and straight forward. You set your o... |
Your voices have been heard. Comment score hiding update | I've just never seen the point. Some of the subreddits I follow use it, and I can't see how it affects anything, because highest rated comments still rise to the top whether or not you can see the numerical scores.Im generally against this. Vote hiding has been so annoying and it makes the sub a nuisance to visit. So d... |
If your body conducts electricity, why does a high voltage electric current only harm you if you are touching the ground? | In the car scenario above, virtually no current is going to flow through the human as the car's metal shell is a *much better conductor than the human's body and the air gap and other materials in the way. For the power line example, hanging onto a live power line by itself is safe as long as your body isn't completing... |
What ever happened to the ebola scare? It was a huge deal and than all of a sudden silence? | The epidemic was controlled. It was a big deal because it was an actual epidemic - people had long feared Ebola would hit a populated area in Africa, and it finally did this time around, resulting in thousands of people being infected and dying. But once the epidemic was controlled by intense government action, it died... |
If my pets got lost, would they stick together like in Homeward Bound or go their separate ways? | Domestic cats and dogs will form families. If they trust someone from another specie enough to sleep with them, they probably will trust them enough to stay with them when they get lost together. When faced with the unknown, they will gravitate towards what they do know to begin figuring out what to do. SOURCE: we have... |
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