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Is there anyway for a human body eating the right foods and doing right exercise to be 100% efficient leaving no waste products | Interestingly this is related to the 2nd law of thermodynamics which roughly states that if you transform energy, you produce entropy If you could transform energy 100% efficiently, then you'd get perpetual motion machines.If you mean no poop, no. Only a small part of poop is undigested food, the majority is water and ... |
Would it be realistic and practical to feature placebos within modern day medicine? | We still use placebos; you just don't hear about it as much. In 2008 a study showed 45 percent of 231 internists interviewed at the University of Chicago, Northwestern University, and University of Illinois – Chicago, reported they have used a placebo at some time during their clinical practice. _URL_0_", 'give it to a... |
How can a Nintendo DS remain almost fully charged after being left on for a couple of years? | It doesn't. Chances are someone else used it and recharged it or it was left powered off most of the time and you only thought it was on standby. Nintendo have access to strange sorcery that allows their devices to retain charge over insane periods of time if left powered off. |
how do bread bakeries make money? | There is a thing called *economies of scale*. This is where it's not twice as hard to make double the amount. To make lots of bread you can pour ingredients into a large mixer then put loaves in a large oven. You don't have to do them individually. You're right in the sense that there isn't a lot of money in bread maki... |
Why are we being bombarded with so many superhero movies? | In addition to the other responses about how they make a lot of money, computer generated imagery has gotten much more advanced and believable. Therefore, if you wanted to make a very explosive action movie, you don't need to hire a pyrotechnics team, get fire permits for the filming site, etc. Heck, nowadays, you don'... |
What causes people to hear voices in mental illness? | As with most mental illness, we don't really know. However, MRIs have shown activity in the area of the brain associated with speech, rather than those associated with hearing. |
if soft drinks have a huge margin and are super cheap, why are there no free refills in places like EU/Australia? | In Germany there are many places with free refill like Subway or some McDonalds restaurants. But many Germans aren't really used to it yet. |
Black holes vs. white holes. | Black holes are just gravitationally immense objects that emit no light or radiation themselves . White holes most likely don't exist. |
How come rapist and child molester are hated by prisoners in prisons? | you guys are over-thinking this. Human beings love to hate things. Human beings in cages love to hate things. Human beings love to hate the same things as other human beings. Everybody can hate child molesters because it's socially acceptable to hate them. Thus, the guards, the public, the media, politicians, prisoners... |
why are people hesitant to take credit for good things they do? | What you do when people are looking doesn't matter, it's what you do when people aren't looking. |
why is that my really cold bare feet sweat when I am wearing slippers? | Because your body is trying to cool down , but the lost heat is being help against your foot, causing the sweating to start. Tl;dr: only answers to op in top level comments folks. |
Explain what happens when you graduate college and have to pay off student loans? | I like this question, I'd like to add to it. I don't know much about who is actually lending me the money , so will I need to consolidate loans still? How does Fafsa know when I graduate? How much leyway do students have in determining how much they pay back a month? Anecdotal advice welcome |
How is the US Intellegence community fundamentally different from when they were so confident of WMD in Iraq? | The USA actually has 10 separate intelligence agencies, they compete against each other so data sharing is something that isn't done very well or not at all.The political aspects of such things are more sobering, where politicans have an agenda and use an interpretation of an intelligence report as justification for ac... |
The process for remastering old games (PS1 etc) for new consoles (PS4/XBoxOne) | Two methods -Port -emulation Note: search any words you don't know. Port: It depends wildly. The existing game engine can be changed to work with new hardware. This is least likely. Often the team will first choose a new game engine to work with the new hardware, or multiple types of hardware . Than master assets are p... |
Why is breast cancer so heavily advertised (Breast Cancer Awareness month in the NFL for example) when it is not even the most common or most deadly form of cancer? | The Susan G. Komen foundation was started by Susan's sister Nancy Brinker after her death at age 36. Nancy had a lucrative career in PR before her sisters death and had a strong background in marketing. She used her skills to build-up one of the most successful non-profits in the world. PR + Marketing = Heavily Adverti... |
Why is there no foreign military bases in the US, yet there are plenty of US bases in foreign nations?0 | The US military is far larger than the military of most other nations, which means that the US has no need for a foreign military base inside its borders, whereas other countries benefit from the US's enormous military being close by. Having the US protected by Germany in addition to its own military doesn't really do ... |
the second law of thermodynamics. | Since it seems to already be explained, I'll add a small side-note. There's an interesting thing to note about the second law of thermodynamics. I forget which famous physicist said this but they called it the only absolute law of physics. As has been said, the amount of disorder in a closed system always increases. Bu... |
Why can’t you add 2 110v household wires together to create 220v? | You don't get 110 V. In North America you are getting 120/240 mostly in old residential buildings. Single phase. Two poles. That's what you have at home. It's a single phase both poles are 180° apart. Thus making 240 between the two poles. Read up on it.. |
How do large websites like google or reddit stay online during server maintenance/updates? | **ELI5 answer:** It's just like how mommy and daddy have 3 cars. When one car needs repairs for a few days, mommy and daddy have another car they can use in the meantime. |
Why is that same scream in every action movie | Lots of sounds are re-used in multiple movies - these are called Stock. These sound effects are much cheaper for directors to have their editing team add in, rather than shooting a scene to have an exact sound play - Imagine how many times you'd have to shoot a scene if the actor didn't get the sound just right! What y... |
Why does SSD wear out/slow down as used? And why does HDD not have that problem? Should SSD be replaced often to maintain system performance? | Ssd's have a limited number of reads and writes in their lifetime, but you'll never hit that limit in the lifetime of a consumer computer.Flash memory has a limited number of write cycles because each new write causes a little damage to the cell that stores a bit of data. Eventually it deteriorates so much that the ele... |
What is cache and how does it work? | I will try and explain this without making 5 paragraphs. Cache is simply storage for fast access fro your CPU or Internet browser. basically, your computer gest stuff faster than it can use it and stores it for faster access. For your CPU, it crunches numbers fast and needs to store them close by. For your browser, it ... |
How come the /70's/80's/90's seem so distinctive yet the 2000's and 2010's don't seem to have distinct personalities? | They are- 90's: Tomagachi, Oregon Trail, music , giant puffy Starter coats, FUBU, getting your haircut like Jenifer Aniston or that lady from Ally McBeal, early memes, dial-up internet, physical book stores, mail order CD catalogs, Seinfeld, Simpsons, passport less travel between Mexico and Canada, virtual reality helm... |
How do tv and radio stations figure out how many viewers/ listeners they have? When recording show on a DVR, does that count? | In the past, they installed boxes into some peoples' homes that tracked what you were watching. Nowadays, your television provider can tell exactly what shows you watch, what you DVR, and what you watch on-demand. Theoretically, they could use this information to provide better programming . |
Why aren't there many companies using Reddit for marketing? | There are, the ads are just intelligently placed, like the Arby's commercial that made it to the front page for no reason |
why filibustering is allowed? | It is a rule agreed to by the Senate on the first day of a new session . And yes, the point of the rule is to do basically what you're saying.No explanation of this can compete with the end of "Mr. Smith Goes to Washington." The whole structure of government in the US is to prevent either dictators or mob rule. |
Why is it blurry when we look straight into water but clear when you wear goggles? | Refraction If the surface of the water were perfectly flat, it would be clear. Once there's any irregularity in that surface, light bends in random directions due to refraction, which is blurry.The lens of your goggles is flat, so light all gets bent in a specific angle as it moves from the air to our eye. |
Why do we have preferences for musical genres? Why can some people not stand listening to certain genres of music? | In addition to the other great answers here, there is a large group of people on this earth who just don't care about music that much. They are perfectly happy just listening to anything, and dancing when it has a good beat. Now, this may sound like I'm talking about people who listen to Pop, but members of this group ... |
I see shows and films with divers diving in muddy or completely cloudy waters with little or no visibility. How can you dive and swim/work when there's no visibility? | By touch. You have a guide-rope, and you're careful to ensure you don't lose your connection to the safety rope which is your way out of trouble, and you just feel your way along. |
Why do home intrusion systems display that they are protecting a specific home? | No. Burglars in real life are not like burglars in movies. They do not have in-depth knowledge of the proprietary systems of many security companies. In real life they are tweakers, teenagers, and other such assholes who are by-and-large total morons. They don't know anything other than that they want to throw a rock t... |
How come they don't charge more for popular movies and less for unpopular ones like they do for plays and music concerts | First ask: Who would be the one setting the price? The theaters? Or the studio? If it's the theaters, and 25 theaters in town are showing the movie, they'd just get undercut by other theaters. If it's the studios, you REALLY don't want them determining what's popular. They're really not good at that . Concerts are diff... |
Why is it considered rude when you reject someone offering you food/beverage in their home? | Personally I always eat someone's bread and salt when I am their guest But if you want to play it safe, the best way is to accept on the second offer. If you really want something that is initially offered there's nothing wrong with taking it the first time it is offered. If they offer a second time you should definite... |
My dad's views of Obamacare, and, on a much broader spectrum, socialist healthcare systems in general. | Your dad has never lived in a country with socialised medicine and more than likely have no real information about it what-so-ever other than sourced from highly biased political sources. I can argue both for and against socialised medicine. I have lived in a country with and another country without socialised medicine... |
What makes the erasers on mechanical pencils work so much better than the erasers on regular yellow #2 pencils? | I was drawing a lot and I must say, that softer rubber is better at erasing. I think it's because it's easier for it to cling to paper, but that is just speculation. |
Why, when swallowing tablets, does it sometimes feel like one is stuck in your throat, even if it isn't there anymore? | Because you haven't yet discovered the proper technique for swallowing pills. In fact, most people haven't. The correct way to swallow a pill is to first take a sip of water, *without swallowing.* Keep it in the bottom of your mouth, and then drop the pill in. Finally, swallow the sip of water together with the pill, a... |
Rooting and modding an Android phone, and all the steps in between. | Think of it this way. Your Android smartphone is capable of doing things that would really help you in every day life, such as it turning into a Wi Fi Hotspot, so if you have your laptop but no internet, you can use your phones data plan and have internet on your laptop! Pretty neat huh? The problem is, carriers such a... |
When game companies are bringing down their servers for maintenance, what are they doing? | So when a server is up and running, basically you and a million other people are sending and receiving data from one central location. If there is some kind of patch that needs updating, a security feature that needs to be implemented, new features to the game, etc you can't really do that while it's running. Because e... |
What are movie critics, and why is there opinion valued so highly? | There are over a hundred mainstream movies released each year, and in the past, it was closer to 500. Most people doesn't have 300 hours needed to catch them all in the theater when they come out, so they rely other people who watch them all and give their opinion about which are worth seeing. Movie criticism is in a b... |
Why do the blind learn braille? Wouldn't any raised text achieve the same effect, while being useful to both those who are and aren't blind? | I've got a question. I just finished watching Daredevil on Netflix, and noticed he had a device that was hooked up to his computer that he was reading braille from. How does it work? |
How can they tell what started a wild fire? | Over where i live they have an expert usually working the case. He's pretty serious about his job. He teaches everyone he meets about what to watch for. That dang smokey the bear is a sharp feller. |
how does an electrical-ground-wire work? | The ground wire doesn't do anything when everything is working correctly. When something goes wrong, the ground wire's job is to be a very convenient place for bad electricity to go. If it is much more convenient to go through that wire than it is to go through you, you will have very little bad electricity go through ... |
How was South Korea able to become an economic superpower and in a seemingly short amount of time? | Having visited and worked with Koreans, I can tell you that the whole country lives to perform. As a German their work ethic is frightening to me so that should give you a hint. They work eight to eight, and Saturdays as well. Slave to the corporation. Lifetime commitment from both sides. Advancement at work is solely ... |
How does a scissor cut a sheet of paper? | What you have to understand is that scissors don't actually pull the paper apart and there is nothing going in between the paper's atoms. What's happening is that one scissor arm is pushing down while the other scissor arm is pushing up causing a [shear force]. Since paper is weak and a single piece of paper is very th... |
If Drive-In Movie Theaters were so much fun and so many fond memories were had there, then why isn't there a resurgence in them? | The cost of land taxes, insurance and the fact that a lot of people don't like driving out on a regular basis to one. There was one of the last ones up here in Port Townsend and the owner was just hanging by a thread. |
Why are teachers exempt from the overtime laws/changes? | No one seems to be referencing the new announcement from the White House: [Bloomberg] I suspect it's mostly because it would put a large financial burden on state governments to comply with this for teachers. Doesn't make it right, but |
What does it mean for an actor to be executive producer on a tv show? | I work in the film industry and am an 'executive producer' on smaller productions. Simply that means I work with the client stakeholder to hire any and all staff for a production. I also handle budgeting and empower a director to execute the project vision, etc. In professional productions, there is a consistent standa... |
Why do companies like Google and Microsoft spend so much money on, and care so much about you using, their web browers they give you for free? | Google is an advertising company. Their revenue comes from selling targeted advertising. To make their advertising more effective and therefore more costly to their customers they need to build a profile of the user who is searching the web. The best way to do that is to track browsing habits of that use, search habits... |
Why do people's moods change based on the weather? | I haven't seen anyone talk about the sociological and psychological aspects yet, so here's my insight. In addition to the physical and diagnosed disorders that people can experience from the weather, we also associate emotions to experiences. Something like, we get happy when we see our favorite food or are with our cl... |
Why do people make excuses for criminals ? | I've noticed that several of your responses had to deal with people ordinary people being robbed. What was stolen from you? You are very angry about this. And why do poor, ordinary people steal from poor, ordinary people? Think crabs in a bucket. |
Why can't I take a test that will objectively prove I am depressed, or that my depression meds are working? | Everyone's depression is different, and caused by different factors. It wouldn't be possible to have one test to confirm depression. |
[META] Discussion: Should ELI5 hide comment scores for a little while after each comment? | I'm in favor of this, even if its just an hour.Although I am in favour of hiding comment scores in other subreddits, in this one I feel that comment scores should not be hidden. If a comment is good, it should get upvoted quickly, as it will have concisely and clearly explained the topic. Poor comments can thus get dow... |
Why is it when I can doze off in a matter of seconds watching tv, but if I immediately roll over and go to bed it takes much longer to go to sleep. | Because this is asking about a condition affecting you it qualifies as a personal problem according to the sidebar rules. I'm not sure what, if any, subreddit would be better for you, but if you find one that works for you, let me know and I'll edit it into this template so anyone in the future will know, too! Alternat... |
How do the new 100+ flavor Coke Machines work? | It mixes the soda in the machine. With so many choices, you're not going to need as much of each flavor because it's unlikely that one flavor will get used up very fast. [This is what they look like inside] |
If films are shot at 24fps, then why did we standardise 60 fps for monitors and tvs, a number that doesn't divide evenly into 24? | That is a good question. There is one reason only as to why today they still produce the 60hz for the base model. So in a show room you can see the difference in quality between the 60hz and 120hz and you now assume more hz the greater the quality and purchase a more expensive model. For the standard HD tv watcher 120h... |
How would a seatbelt in an airplane save my life? | Just like not all car accidents are 70mph head on collisions, not all plane crashes are full-speed collisions with terrain or buildings. You probably won't survive a 70mph head-on car crash, but you still wear your seat belt anyway, don't you? That's because there's an entire range of possible accidents that a seat bel... |
Why is College so astronomically expensive? | There are a lot of reasons why college costs so much. Here are the biggest three. First, a lot of people believe that going to college is the way you have a better life. So, they're willing to borrow a lot of money in order to go, which makes the price go up. Second, colleges feel good if they're the most expensive. Pe... |
Why are people against voter id in America? | There is no universally issued, free ID available to all citizens. Because the US or the states don't issue IDs to all citizens requiring ID to vote means that you are putting a burden on the voter to obtain identification before they are eligible to vote. Because of the way some states are run, or how they view the im... |
Why are exoskeletons on small creatures and not large ones like elephants? | IIRC my biology lessons properly, it's becuase in small creatures an exoskeleton is sufficient to hold them together, or in creatures that live in water. But with large terrestrial creatures it becomes more difficult and a muscular-skeletal system was neccesary to support the creature. It should also be noted that in t... |
Why are Jews so hated throughout history? | In addition to other well said posts, also keep in mind that the religion itself encourages people to be educated and clean. Keeping kosher and living in close knit communities kept various diseases and plagues out of their communities. To the Christians dying of plague, you started to wonder if the reason the Jews wer... |
Can someone hallucinate a sound that could not be produced in the real world? | Nope and the concept is as silly as the idea from a Lovecraft story that there are colors that can't be reproduced on our world. Sound waves are just a vibration of the air around us in differing frequency. There is no sound at all that can't be reproduced with a computer and set of speakers. |
Why are banks still closed on weekends? | You depend on the bank, which means they have the power. They will set shitty hours, give piss poor service, and fuck you every step of the way because you have to put up with it. Normal companies won't do you many favors, but you at least tend to be able to make phone calls and get in at decent hours. They need YOUR b... |
How do people manage to "not let their emotions get to them"? What does it mean? | It's not about turning off emotion but rather using self-control to respond in a manner which you won't regret when your emotions cool off. Even when angry, some people can still piece together a response that doesn't involve yelling and/or swinging limbs. And if this is too difficult, knowing yourself and your emotion... |
When did humans unanimously decide our genitals were inappropriate to show in public? | Egyptian here. Ancient Egyptian statues and paintings seem to indicate that nudity was not such a big deal as it is now. Even in Islamic culture, multiple sources indicate that toplessness was not something to frown upon for maidens or slaves until slavery was gradually abolished. My point is nudity was not always as s... |
Why do cinder blocks have holes in them? | CMU blocks are a piece intended for a more specific built use, and it isn't used alone. Masonry types of construction are very stable under compression loads, but when used in tension or shear they are significantly less effective. If you built a 10x10 foot CMU block wall with just blocks it would not be very stable. M... |
What are the causes of just a completely random, short-lived pain you feel in various parts of your body from time to time? | There was a thread on this about a month ago just fyi. Might have more info if this doesn't get answered. |
How did Bungie spend $500M on Destiny when it literally just uses the same 4 maps for every mission and has no story? | the story is not an expensive thing to write. You need to hire a couple competent writers, and that's cheaper than hiring on a good programmer. If the game is on a new engine, then that eats up lots of expensive programmer's time. Also look at how much was spent to market the game. This game has so much bloody marketin... |
So...why does the skin behind our ears smell so strange even though water and shampoo regularly flow over this area? | Flowing over and actual cleaning are two different things that area is like your belly button is a small enclosed area that traps a lot of dirt and grime especially oils and stuff from your head. So water flowing isn't good enough you have to give it a good scrubbing with soap and water if you want it not to smell stra... |
Why is it that, as a male, I am expected to have short hair? Why are women expected to have long hair? | To add more onto the tradition one, it's like how you see many Muslims from the middle east with very long beards. It's not normal for them to shave because of religious views. |
Why is "Z" called "Zee" in America and "Zed" in the rest of the English speaking countries? | wee". And the Dutch W is more harsh than the English one, with your upper front teeth against your lower lip. The Dutch V is essentially an aspirated W. Same position with teeth/tongue, just more air. So when spelling, it's easier to get those confused. It's also pretty hard for people who learn Dutch. Their V and W a... |
Why is it even important for some people that the moon landings were "faked?" How is the idea relevant and meaningful to anyone alive today? | To anyone alive today? It was only a little over 40 years ago. The same people who don't believe it happened are largely the same people that watched it happen. If it didn't happen, the government lied to its people and the world about one of mankind's biggest accomplishments |
How can any brute force method of password hacking work when almost all systems lock you out after 3 failed attempts? | Often the system that locks you out after several failed attempts is in the interface or OS itself. In iPhones, for example, too many failed attempts will lock you out if you're trying them on the actual pass code screen. If you put the phone into DFU mode you could use a utility that will brute force it until it finds... |
Why do some Asian people wear mouth protection, both at home and in other countries? | The truth is we should all wear those masks when having even a hint of a cold or flu or cough. It would cut down on the darn viruses spreading by a significant amount. I think countries with very dense populations do this because it's a health necessity, and it's become a social necessity.Many people in Japan wear them... |
Why does it take a company 2 years to stop supplying straws to customers? | Uh I must be out of the loop. What's going on?", 'Have you ever actually used a paper straw? Lots of development left to do there before they can last long enough to finish a drinkThe real question how do you drink a Frappuccino without a straw? |
Why does 16 degree Celsius ocean water feel a hell of a lot colder than 16 degree Celsius air? | When colder molecules hit you they take away some of your heat. And there's many more molecules in water than in the same volume of air so they take away your heat faster.Fun fact: if you spend enough time in a bath of diamonds, you can get hypothermia. The heat conductivity of diamond is so high it will suck all the h... |
How did it come to be that most keygens are accompanied by a song? | [It has roots in the Demoscene.] Warez groups would make intros for bootleg games for computers as early as the Apple II. The music and animation in Cracked games and keygens has become it's own artform now. [This site is a database of demoscene content. This link goes to one of my favorites] [This one is very amazing ... |
Suggestion: contributors add a "source" to the bottom of their post | Go ahead and ask, the ones who really do know what they're talking about won't mind. I'll try to start linking to sources from now on. |
How do clouds on average hold 1.1 million pounds of water in the air? | You're thinking of it as a giant floating lake. In fact, each cloud is made up of millions of EXTREMELY small water particles. It's just that there's so many of them, if they were to come together, they would weigh a lot. But the particles are so small that air currents are able to keep them in the air. This is why rai... |
3D printing of organs and various other things | I don't think actual muscle tissues could be printed, maybe the cartilage could be. But 3D printers have been used to make models of faulty organs- identical to that of the patient, which has allowed surgeons to plan the operation before it goes ahead.I saw a ted talk on this subject where they actually printed a kidne... |
why are Monotremes considered mammals? | As the name suggests, mammals are primarily defined by the presence of _mammary_ glands, not live birth. Monotremes produce milk , hence they're mammals. |
Why do we find snow beautiful? I understand green land and blue sky is lovely because it symbolises warmth and fertility but surely snow = cold and death in our subconscious? | Christmas. Snowmen. Ice skating. *Frozen.* Snow days. Maybe you are overstating the role of the subconscious. We can easily find something beautiful just because of it's cultural role, or because of our personal experiences with it, rather than looking for ancient justifications in evolutionary psychology. |
why does darker skin pigment help protect skin from the sun when dark colors absorb more heat and lighter colors reflect more heat? | Because lighter skin only reflects *some* of the sun, and lets the rest through to cause damage to living tissue. It's just not opaque enough. Darker skin absorbs *most* of the sun, so very little gets through. |
How do TV shows make money by putting their shows on Netflix and How can Netflix pay all the networks and only charge 8$ per month? | The content put on Netflix is mostly older stuff that has already made money though regular channels and now Netflix offers a small extra profit which is still better than nothing. But were those shows/movies to rely on only Netflix for their income, then they would lose money. Really each network should just have it's... |
Why are many Asian restaurants allowed to racially discriminate when hiring? | Reading this thread it makes me realize how unfortunate are the Americans who cant communicate in languages other than English. It's like in the future when these Chinese and Mexican family business grow, anyone who dont speak their languages wouldnt get a job.when i was 16 i applied for a Chinese restaurant position i... |
If two parents refuse to name their newborn, how does it get named? | I'm in central KY - when my daughter and son were born , we were told both times that we couldn't leave the hospital until we named them. So the nurses were LIARRS?! |
(Serious) Why do men typically feel tired or exhausted after ejaculating? (maybe NSFW) | Depending on the position, the guy may be doing a lot of work for the fun. But physiologically, serotonins are released in the bloodstream during and after sex, it's like an adrenaline rush followed by a loss of energy. |
- How does Twitter make money? | It doesn't make money. It loses a shitload every year. It's completely funded by stockpayers and venture capitalists. They have yet to figure out a way to make it profitable. I expect it to be dead within five years.Twitter makes money off of promoted tweets, promoted trends and promoted accounts. It all boils down to ... |
Why has socialism worked in Norway, Sweden, and Denmark but not in China or the Soviet Union or other socialist states? | Because Norway, Sweden and Denmark's economies are only a small fraction socialist. The Soviet Union, China, Venezuela etc are actually socialist. |
Why do toys that are low on battery slow down and change pitch instead of stopping completely | Batteries lose power over time and don't simply just 'die'. As less and less power is sent to the speaker they move slower, slowing and lowering the pitch. |
Why do large telecom, cable, and internet providers have such a culture of poor customer service? | Well, most of the time they know you don't have a choice. If you want high speed internet in my area, Comcast is your only option. It wouldn't matter if their customer service consisted of coming to your house every day and punching you in the face, if you need internet, you have to pay Comcast. Even if you do live in ... |
Why are different franchises allowed to use Tolkien's lore (elves, orcs, etc)? | Both Dwarves and Elves as concepts predate Tolkien. Both Dwarves and Elves were creatures of germanic mythology, although tolkien added some features, some were traditional such as elves and their relationship to bow/arrows and purity, and dwarves and their size/mining/underground nature. So you're allowed to use Elves... |
Theoretically, could one construct and consume a diet so perfectly balanced and measured such that their nutritional needs were met without any waste, thereby eliminating the need to go to the bathroom? | Thermodynamics says no. You are essentially an engine powered by sugar. There must be a waste stream. Its the same reason you have an exhaust pipe in your car, even completely spent fuel in an engine will have by-products that must be exhausted to continue functioning. Perfect efficiency is not only physically impossib... |
Why is it possible to clone a mammoth with an elephant bearing it, but not possible for a monkey to bear a human (or donkey bearing horse and so on)? | Well it's generally thought to be possible due to the extreme genetic similarity of the great apes, but it hasn't been tried due to severe ethical issues.since horses and donkeys can have offspring together, I would imagine surrogacy between the two would be possible. |
the phrase "red sky at night, sailor's delight. Red sky at morning, sailors take warning". | Red skies are caused by sunlight hitting the underside of clouds. Most of the world's population lives in areas where weather generally travels from the west to the east. This means in the morning, the sun is shining on approaching clouds, so it is going from clear to cloudy. If it happens at sunset, it means the sun i... |
Is it possible that a person has a split personality, but both of them are equal (or very similar) so nobody is able to notice it? | Thank god it seems the answer is no, or we'd never see the end of it on tumblr. It's bad enough we get owlkin. |
The distinction between someone being made redundant & being dismissed (sacked) from their job? | One is being let go because their *role* at the organization is no longer needed. Perhaps new technology is being adopted that means they no longer need as many secretaries/receptionists. Maybe they're getting rid of a particular department or product. In any case, your job is gone through no fault of your own. Your em... |
Why did primitive societies in Europe form technology, but not those in the Americas? | [This is an important thread on r/AskHistorians that you should read]. Native Americans were neither a technologically homogeneous group nor simplistic primitives who didn't understand wheel physics.There could be many reason for this, I would suspect that one of the main reasons was because of the mix in the cultures ... |
Does a bullet continue to accelerate once it leaves of the barrel of a gun, or is it always getting slower? | A bullet fired from a gun can be considered an object that is thrown with a really high starting velocity. Now what we learn about throwing is that it's the sum of a straight-line movement with constant speed and freefall. Now, acceleration is the result of a force. Force is applied to a bullet when it's fired, and tha... |
Where did the depiction of pirates with an eyepatch, a parrot, and a wooden leg originate from? | As others have said, it's mainly Treasure Island. But, it was not uncommon for a sailor to be an amputee , the eyepatch had some value, and an exotic pet was not unheard of. All this stuff in one character stands out, and Treasure Island was a popular book, and even more popular movie.Treasure Island has a lot to answe... |
Why do some terms like kilowatt and kilobyte progress to megawatt and megabyte, whereas some terms like kilometer and kilogram don't progress to megameter and megagram? | From now on I'm going to say I'm traveling a Megameter instead of 1,000 kilometers, when I drive home.They do progress to mega-meter and mega-gram if you 'd like but standard convention is not to do that even though it isn't "wrong". |
Why don't/can't 100% electric cars like Tesla recharge themselves while in use like a standard car battery through its alternator? | Because a standard car uses energy created in an explosion in the engine to charge the relatively small battery. The alternator can't run the car, if it could it would require much more energy than the internal combusion engine could provide. The tesla doesn't have a combustion engine. It's battery runs the car so it c... |
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