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<|im_start|>user ELI5: Social security numbers represent everyone in America with only 9 digits, yet every single account I have - cable, phone, gas, etc. - has at least 12 digits. What purpose do the extra digits serve?<|im_end|> <|im_start|>assistant Ability to parse data specific to a region, segment, type, etc. Ut...
<|im_start|>user Eli5 how did countries get categorised into east and west when the world is round Real answers pls hahah no trolling from flat earth people<|im_end|> <|im_start|>assistant The categorization came from the middle ages and dealt mostly with Eurasia. Europe was the west, Asia was the east. Nowadays the "w...
<|im_start|>user Why is the ozone hole only over Antarctica? It seems like that is a weird spot for it because not a lot of people live near Antarctica to pollute it<|im_end|> <|im_start|>assistant In short it's that the conditions there are most suitable for ozone depletion. The polar vortex isolates the Antarctic atm...
<|im_start|>user Can someone explain in detail what happens in our bodies during a cold?<|im_end|> <|im_start|>assistant There're multiple levels of detail that can be used to explain what happened. In the broadest sense, the foreign pathogen that causes a cold was unable to penetrate through your hardened, protective ...
<|im_start|>user Why does high inflation cause less export In my head it would be the other way around. Could someome please explain why this is the case?<|im_end|> <|im_start|>assistant It depends on elasticity but the usual logic is that higher prices (i.e. inflation) means less volume sold which more than reverses t...
<|im_start|>user What are the current limitations of desalination plants globally? A quick google search shows that the cost of desalination plants is huge. A brief post here explaining cost [https://www.quora.com/How-much-does-a-water-desalination-plant-cost](https://www.quora.com/How-much-does-a-water-desalination-pl...
<|im_start|>user [General] When you sell your soul to the Devil, what are you really giving away? Something that has been nagging me lately is the fact that many stories feature deals with the Devil or analogous (selling one's soul for disastrous consequences), yet literally no one ever (from stories with which I'm fam...
<|im_start|>user ELI5: What causes some people to throw up or retch if they smell something disgusting like a rotting animal, or experience something very traumatic like witness someone getting badly injured or receive a phone call with highly emotional news? This seems to happen a lot in the movies - particularly when...
<|im_start|>user Wikipedia explains that String Field Theory is a part a of Quantum Field Theory while regular String Theory is not. What exactly is the difference between String Field Theory and String Theory?<|im_end|> <|im_start|>assistant The difference between String Field Theory and String theory is, in the broad...
<|im_start|>user ELI5: Fibonacci's golden spiral and the golden ratio<|im_end|> <|im_start|>assistant First, it is very important to understand what Fibonacci's sequence is. Fibonacci's sequence is the sequence wherein the last two numbers are added to form the next one. The first few digits are 1,1,2,3,5,8,13. The R...
<|im_start|>user ELI5: How are the heights of mountains measured? Before people had satellites and electronic methods.<|im_end|> <|im_start|>assistant It's called surveying. You stand in a spot, measure the angle of inclination when looking at the top of the mountain, the angle of decline looking at the base, and know ...
<|im_start|>user Eli5 how thousands of bats can live together without getting confused from other bats echolocation noises?<|im_end|> <|im_start|>assistant Afaik the answer to this is not fully known, but we know that a combination of factors are involved: 1. Bats are capable of distinguishing between their own 'voice...
<|im_start|>user How would I go about becoming a public policy economist, or go into economic research? Besides just working for whatever university I graduated from.<|im_end|> <|im_start|>assistant Probably depends on what exactly you want to do? Original research? Probably a PhD. Work at a think tank or local governm...
<|im_start|>user CMV: Extra accommodations in college are a hinderance to preparing proficiency in the workforce Throwaway account as I teach at a US university. I teach both introductory and upper level science courses. I have students with written documentation from student services that require accommodations. I'...
<|im_start|>user ELI5 Why do some dishes get so hot, sometimes even hotter than the food, after microwaving?<|im_end|> <|im_start|>assistant The microwaves generated are absorbed well by water and fat in food. However, some other materials also absorb the same microwaves, often better than food. Metal is the obvious o...
<|im_start|>user CMV: The system of Significant Figures that we use in most sciences is an inherently flawed system. As we learn in science classes, it is important to know the precision of our measurements, and it is important to know the difference between exact numbers and measured numbers. The scientific world keep...
<|im_start|>user Eli5 how could an electromagnetic impulse, say from the sun for example, disable a whole power grid?<|im_end|> <|im_start|>assistant Lets say you have a high voltage transmission line going between a power station and a city. These can be hundreds and even thousands of miles long. So if you get a power...
<|im_start|>user Would someone with an economics degree from the U.S.S.R. be employable in the United States as an economist?<|im_end|> <|im_start|>assistant Depends almost entirely on work experience. Someone with an econ degree, even from a US school, from the 1980s would not, in general, be employable as an economis...
<|im_start|>user [MCU] Why Not A Left-Handed Infinity Nano-gauntlet? Statistically, more people are right-handed than left. They saw that Thanos' gauntlet hand was seriously f'd up from his Snap, don't you think that Tony or Rocket or Professor Hulk would have planned and instead made a left-handed nano-gauntlet to no...
<|im_start|>user ELI5: If salt is deadly to snails, how are there sea snails? Also, why is salt deadly to snails? &amp;#x200B;<|im_end|> <|im_start|>assistant In nature, things will always move from areas of high concentration to areas of low concentration. When this happens through a permeable membrane (skin which i...
<|im_start|>user ELI5: How do people create these amazingly looking space/Milky Way photos? I can barely see a few stars in the nights sky.<|im_end|> <|im_start|>assistant Long exposure is one way to do it, yes, but astrophotographers also use a technique called "stacking", where they stack multiple layers of shorter e...
<|im_start|>user How long after publishing a paper is it still ok to present it at a conference? Lets say you haven't published anything new for X months and you have no new results to present since that last paper. Would you still present the results of that paper if X=6? X=9? What about after a year? When would peopl...
<|im_start|>user What are some arguments refuting the notion that empirical evidence is the only source of truth or facts? A popular line of argumentation on reddit is that empirical evidence is the *only* source of truth or facts. Or that it *should or ought* be only source of truth or facts. Or that it is significant...
<|im_start|>user ELI5: Why do many cultures see/teach sexuality as being immoral? I've seen some people answer this question by saying "because of religion," but that doesn't answer the question, because religion is a human construct, so why would religion teach sexuality as immoral in the first place?<|im_end|> <|im_s...
<|im_start|>user ELI5: Why do the same species of freshwater fish (like pike, musky, perch) show up in non-contiguous freshwater bodies- especially in the Wisconsin-Minnesota-boundary waters area? Wouldn’t the separation create different species? Are they all different species with differences we can’t observe? Were ef...
<|im_start|>user ELI5: why is it that all humans have ten fingers and ten toes (and other common features) yet genetics allows random mutations for skin color hair color , height, weight, etc? why don't we see random three arms on some people, twelve toes, or three ears ?<|im_end|> <|im_start|>assistant Better answer, ...
<|im_start|>user ELI5: If "black" is the absence of all colour, why is the outcome colour "black" when I mix a bunch of colours of paint together?<|im_end|> <|im_start|>assistant Paints color is based on what light they absorb. So red paint absorbs all colors but red, the red light bounces away from the paint and hits ...
<|im_start|>user [Star Wars]What were the different roles of the ARC Troopers vs. the Clone Commandos? What were the differences in training, doctrine, units sizes, tactics, etc? I know that real-life countries can sometimes have different special forces, but none of the typical kinds of divisions seem to apply to the ...
<|im_start|>user ELI5: How do people "blackout" from drinking too many alcoholic beverages but remain conscious with no recollection? This happens to me way too often so I might as well understand what is happening.<|im_end|> <|im_start|>assistant Your brain has to keep track of a lot of different things at the same ti...
<|im_start|>user Is human intelligence limited?<|im_end|> <|im_start|>assistant It depends on what kind of threshold you mean. It's very unlikely that any human being will be able to keep the whole of science and mathematics in his or her mind at once, for example. But if you're talking about the kind of intelligence...
<|im_start|>user ELI5: is it necessary to use hydrocarbons as accelerants in compressed goods, like deodorants? Why can't nitrogen be used?<|im_end|> <|im_start|>assistant Light aromatic Hydrocarbons are convenient because they turn into liquids when compressed by moderate amounts (a few bar). The mixture inside the ae...
<|im_start|>user ELI5: Classes, classism, and social mobility in the UK as opposed to the USA .<|im_end|> <|im_start|>assistant In the UK we have the generally accepted classes of working, middle and upper. The place you are put has very little to do with the money you earn and more to do with who you are and who your ...
<|im_start|>user Open relationships/non-monogamous as an academic - need to keep secret? Throwaway account. I am curious how common this is in the academy. Given the unpredictable nature of the jobs market and the need to travel often for field research, and the two-body problem, this arrangement makes the most sense f...
<|im_start|>user Serious question: when did pooping become taboo? Yes, some may consider this puerile, but I'm genuinely curious. Animals poop all the time with no regard for decorum. Yet we, as a species, have developed huge, special boxes so that we may poop privately. There are unspoken rules in bathrooms (avoid e...
<|im_start|>user Why do bats make such good reservoirs for zoonotic viruses?<|im_end|> <|im_start|>assistant The main factor is that they are extremely social, living in colonies with millions of individuals while also traveling long distances and interacting with other colonies. They move back forth between colonies p...
<|im_start|>user What's the smallest object you could 'stand on' that would have the same gravitational pull as earth, but you wouldn't have to worry about getting sucked/collapsing/spaghetification ? Just something I was thinking about...<|im_end|> <|im_start|>assistant You have two constraints to deal with: 1. The g...
<|im_start|>user What kind of philosophy is useful for self improvement/life in general? Would something like stoicism be a good place to start? Basically looking for philosophers or "genres" of philosophy that look at the way we live our lives.<|im_end|> <|im_start|>assistant This depends on how you define "improvemen...
<|im_start|>user When colors on fabric or paper fade from sunlight, where does the color go? Does it just float away?<|im_end|> <|im_start|>assistant When a fabric has colour it is caused by a dye or pigmentation. Colour is caused by deflecting or absorbing certain wavelengths of light. Dyes are chemical species which...
<|im_start|>user ELI5: How come my hands get slipperier when they're wet with water, yet laytex/nitrile/rubber/whatever gloves are such a pain to put on wet hands?<|im_end|> <|im_start|>assistant Presence of adhesive forces between skin, water and those materials? Basically, in plain terms, water is "sticky" for thos...
<|im_start|>user Why is a frozen and thawed banana so much sweeter, and how does this change its nutritional value?<|im_end|> <|im_start|>assistant Putting together the information here One of the main processes in bananas (and all fruit) ripening is the amylase dependent conversion of savoury or flavourless starches ...
<|im_start|>user ELI5:How come blowing on fire sometimes helps it burn (such as when kindling), but other times puts it out (such as candles)?<|im_end|> <|im_start|>assistant Any time a question about fire pops up, it’s useful to start with the fact that combustion needs three things to happen: fuel, oxygen, heat. If a...
<|im_start|>user [MCU/TFAWS] Zemo is a smart and resourceful individual. Why doesn't he (try to) learn magic? Zemo is cunning, resourceful, and wicked smart. He also has a hatred towards super-soldiers; whether that extends to other types of super-beings isn't clear. So, given his mental acuity, why hasn't he tried t...
<|im_start|>user Why are philosophers so quick to distinguish themselves from "common" people? I've noticed recently there's a habit for philosophers or for people who study philosophy to talk about "common" or "normal" people, and assume that common people don't think about the world. It's often happened in philosophy...
<|im_start|>user I’ve heard that nuclear fission and/or fusion only convert not even 1% of all the energy stored in an atom. How much energy is actually stored in an atom and is it technically possible to “extract” all of it?<|im_end|> <|im_start|>assistant The energy stored in an atom would be the mass-energy of the a...
<|im_start|>user ELI5: that sentence that only uses buffalo Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo. I've tried reading about how it works but I always get confused.<|im_end|> <|im_start|>assistant What helps is replacing the words with near synonyms. * Buffalo 1 - a type of **bison** * Buffal...
<|im_start|>user CMV: Black Lives Matter, the left and left-leaning media are too focused on homicides caused by police and there should be more focus on general homicides I consider myself to be liberal, and definitely opposed to police violence and force in general. I think Derek Chauvin should be, at the very least ...
<|im_start|>user ELI5: Gonzo journalism<|im_end|> <|im_start|>assistant It is essentially learning about your subject by becoming part of it and often taking a side or stance from ones own perspective. Hunter S. Thompson was essentially the king of this method in his time. He would involve himself fully in whatever sto...
<|im_start|>user How do I learn scripting languages? The title pretty much says it but for some context.. I'm relatively proficient in Java and have a decent understand of OOP in general but when it come to scripting languages such as JS and python it seems to be a completely different paradigm that I just can't wrap m...
<|im_start|>user ELI5: What is an abstract data type (ADT)? Is a ADT just: int x = 5; and why is a Linked List not a ADT?<|im_end|> <|im_start|>assistant An abstract datatype is like a machine that has a control panel. The user(programmer) can put an item in, take items out, ask questions about the number of items, t...
<|im_start|>user What are some ethical issues/dilemmas in computer science? I’m trying real hard to find a topic for a paper I have to write for an International Baccalaureate (IB) class. The topic has to be about an ethical issue or dilemma that is occurring in computer science. Two topics I’ve found so far are ‘How ...
<|im_start|>user ELI5: How did we figure out we can only see 3 different colors with our eyes? I imagine there was a gradual process of discovery and little by little we learned more about the way we process light and send it to our brains. But I'm still having a really hard time understanding how we even started to qu...
<|im_start|>user [Harry Potter] Why didn't Harry, Hermione and Ron use apparition to escape more often? Watching the Harry Potter marathon on ABC family this weekend, this question occurred to me. Namely in Deathly Hallows, they use apparition to escape the wedding and also the Lovegood home. Why not apparate out of ...
<|im_start|>user Why would sampling distribution tend to be normal distribution in large sample sizes even though the population distribution is not normal? I know that it happens but why does it happen? I am not very math heavy so i need an explanation in easy language &amp;#x200B; https://preview.redd.it/e5zg7d7gh8w...
<|im_start|>user ELI5: What is the difference between poison, venom, and toxin?<|im_end|> <|im_start|>assistant *Toxins* are substances which have a profound negative effect on the body, which may be produced by the body or from an outside source. *Poisons* are toxins which are ingested, and often are produced by pla...
<|im_start|>user Is Maths a branch of Logic or is Logic a branch of Maths? Why? What does it mean to be a "branch of" a discipline?<|im_end|> <|im_start|>assistant A branch of another discipline would mean everything contained in the branch is a subset of the parent discipline. This would be like calculus being a branc...
<|im_start|>user ELI5: Turbo in an Engine. And the difference between Turbo, Turbo-charger and super-charger and how these differ from just a regular old combustion engine.<|im_end|> <|im_start|>assistant First, understand that the mix gasoline and air combusts best in a fairly narrow range of ratios. So for a given am...
<|im_start|>user ELI5: How do new allergies develop? How do people start developing allergic reactions to things they weren't previously allergic to?<|im_end|> <|im_start|>assistant I was taught to think of the immune response like a police traffic stop. An unknown protein is driving along, and gets pulled over by a p...
<|im_start|>user ELI5: Why do male athletes in sports like baseball, hockey, or football rarely debut before about age 20 and typically peak around age 25-27, but female tennis players can reach the top rungs of their sport at age 14/15 (Austin, Capriati, Hingis)? You never see a 14-year-old male competing in competiti...
<|im_start|>user Can many small, quieter speakers produce sound equivalent to a single larger, louder speaker? Say I have 200 phones playing a song, does the volume increase when coming from many sources?<|im_end|> <|im_start|>assistant Yes, due to a principle called constructive interference, the sound waves with matc...
<|im_start|>user I don't understand virtue ethics at all. Why is it considered an ethical theory on its own and not a supplementary psychological theory to consequentialism and deontology? MacIntyre in After Virtue wants to illustrate virtue ethics by the example of a child playing chess. If it's just after the reward ...
<|im_start|>user Does a fish see clearly when out of the water? Anytime I open my eyes underwater, everything is blurry, but I can see fine otherwise. Is it the same way for a fish? Can they see fine underwater and then have trouble seeing out of the water? Is there even any way to test this?<|im_end|> <|im_start|>assi...
<|im_start|>user How the US education system works. Following on from a post about the British education system I saw a few days ago, how does the American system work? In particular: What is the SAT and the ACT? How does the college admissions system work? AT how old do you leave high school?<|im_end|> <|im_start|>ass...
<|im_start|>user ELI5: How do people undergo psychiatric testing for court purposes? Don't they know the are being tested and can influence the results?<|im_end|> <|im_start|>assistant Psychologists administer a test known as the MMPI (Minnesota Multiphasic Personality Inventory). The MMPI is approximately 500 question...
<|im_start|>user CMV: "Free Speech Zones" and "Protest Permits" for political rallies are in direct violation of the Bill of Rights The 1st Amendment to the US Constitution (Bill of Rights) is written as such: &gt; "Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise th...
<|im_start|>user ELI5: Why is climate change believed to be false and lumped with the theory of evolution even though it has nothing to do with religion/God? Recently read the front page article on how Alabama now has to teach evolution and climate change and was just wondering why they are put together when climate ch...
<|im_start|>user [Toy Story] Under what circumstances can toys break the "rules" and reveal they are alive to people? If Woody and the gang went far enough to expose themselves to Sid just to save Buzz's life, would they do it under other circumstances? If their owner was about to die and it was in the toys power to s...
<|im_start|>user ELI5: what is the difference between the different forms of Chinese? (Mandarin, Cantonese, Simplified, Traditional)<|im_end|> <|im_start|>assistant Mandarin and Cantonese are often refered to as dialects. However this doesn't really doesn't show how different they are from each other. For example Ameri...
<|im_start|>user ELI5:Why is Israel pissed off with the Iran Nuke deal? I would think that a deal saying Iran can't produce a nuclear weapon would be something Israel would be all for, but yet they seem pretty upset about it.<|im_end|> <|im_start|>assistant As with almost all foreign policy pronouncements, you should c...
<|im_start|>user ELI5:Can someone help me understand how crossing the legs impacts when measuring blood pressure<|im_end|> <|im_start|>assistant Crossing legs, crouching, or otherwise increasing peripheral vascular resistance will cause a slight increase in blood pressure due to the increased pressure required to force...
<|im_start|>user [X-Men] why is Forge considered superhuman for his intelligence, but Richards and Stark generally aren't? What are the upper limits of his "powers"? Edit: so I understand now that he creates things intuitively. But can he decide what he makes, or does he just put things together and then find out at th...
<|im_start|>user I am sorry if this is inappropriate to ask but are PhD salaries enough to sustain your living? I am so sorry if this is inappropriate to talk about but especially in the US, are PhD salaries enough? If this is inappropriate, just tell me and I’ll delete the post. Or do I might need a second source of...
<|im_start|>user ELI5:Why, when I've done nothing wrong, do I feel guilty when passing by a cop? What's the psychology behind it?<|im_end|> <|im_start|>assistant You evaluate a threat using two criteria: intent and capability. "Does this person want to harm me? Does this person have the ability to harm me?" Law enfor...
<|im_start|>user ELI5: How does quantum computing work?<|im_end|> <|im_start|>assistant Regular computers store the values of 0 and 1. To represent a series of numbers, they must store them all, like this. 000 001 010 011 100 101 110 111 Quantum computers store numbers as 0, 1, or 'superposition', which is 0 and 1 at ...
<|im_start|>user ELI5: In quantum mechanics, what does it mean for something to be "observed"? [This post](http://www.reddit.com/r/funny/comments/1krtbt/so_thats_how_usb_plugs_work/) made me wonder — what does it mean for something to be "observed"? I tried Googling around for it and ended up more confused than when I...
<|im_start|>user Why is good quality vision called '20/20' vision, and not 100% vision?<|im_end|> <|im_start|>assistant 20/20 basically just means you can see what a 'normal person' should see at a range of 20 feet, from 20 feet away. It means you have normal eyesight. Perfect eyesight can be a lot better than 20/20....
<|im_start|>user CMV: I believe people are capable of being prejudiced against robots or artificially intelligent beings, and that that prejudice is a type of racism. Racism against robots is a social issue we will have to deal with in the future. First, I will acknowledge that robots are not a human race, and that you...
<|im_start|>user ELI5: How are animals able to drink water from puddles from the road, dirty ponds, etc. etc. But if we were to do it, we'd fall terribly sick?<|im_end|> <|im_start|>assistant In part it's immunity gained by getting ill once, or a few times and surviving it. The immune system remembers what foreign orga...
<|im_start|>user What exactly is information? In regards to the holographic principle, when physicists state that information is conserved in a black hole, what do they mean by "information?" How is information different than energy?<|im_end|> <|im_start|>assistant The existing answers address what information is in th...
<|im_start|>user ELI5: If insider trading is illegal, how are CEOs allowed to trade shares of their own companies?<|im_end|> <|im_start|>assistant Most executives are governed by rules regarding insider trading, which are set by the company through bylaws or individual agreements with the executives. Normally, they st...
<|im_start|>user If the heat death occurs, how can time itself stop? Since space and time is the same thing, how can time stop if the heat death occurs? The low energy particles evenly distributed in the universe would still be distributed in space, with space between them. Right?<|im_end|> <|im_start|>assistant Love t...
<|im_start|>user [General]When it comes down to the core 'Science' in Science Fiction, which universe has the greatest integrity in its fictional physics and application? I don't want to exclude iterations of 'magic' from this, but it seems when it comes to most instances that have it magic is simply an unexplained, or...
<|im_start|>user ELI5: If the first living beings reproduced asexually, how did diverse species came to be? Also how did sexual reproduction started? I understand that the first living beings were unicellular organisms, prokaryotes, which reproduce asexually. If DNA was only "cloned" from one organism to form an offsrp...
<|im_start|>user [General Discussion] How are spaceships built in space?<|im_end|> <|im_start|>assistant That's a very broad question, but the short answer is "in pieces". At our kind of technology level, the quintessential example is the ISS. We built it in "modules" small enough to transport up to orbit using existi...
<|im_start|>user CMV: All the US flag apparel people wear and use around July 4th disrespects the flag itself Background: -US Federal Law Code says the flag isn’t to be used for clothing. The code isn’t enforceable because of the 1st amendment. -American Legion says it’s okay to have the flag resembled on clothing. ...
<|im_start|>user ELI5: If the affordable care act requires that people with pre-existing conditions can not be denied by private insurers, why wouldn't everyone just wait until they were sick and then purchase insurance?<|im_end|> <|im_start|>assistant You can only apply for insurance during "open enrollment periods" (...
<|im_start|>user When genes change expression is this change simultaneous over the whole body or could genes in only certain cells change expression?<|im_end|> <|im_start|>assistant No, genes can be expressed in some cells but not others. This is how you get differentiation of cells, to create organs etc. It's not just...
<|im_start|>user Economist roles in private firms - what does the job actually entail? So.. i've recently graduated (a degree in pure economics) and keep seeing economist roles in a range of firms from visa the UK arts council. I would assume theres a good bit of statistical modelling in the job role, but that was...
<|im_start|>user Why does squinting seem to improve our sight? For people who don't have perfect eyesight, squinting is the substitute for getting contacts or glasses. How does this help our eyes focus on something we couldn't before? Is it because there's less surface area for our eyes to cover or???<|im_end|> <|im_st...
<|im_start|>user ELI5: how does the body regenerate blood after donating? Also when the blood that has been donated is regenerated why/how does the body know it is back to its needed amount?<|im_end|> <|im_start|>assistant After you donate blood, the number of red blood cells in your blood decreases. Red blood cells ar...
<|im_start|>user ELI5: How are private prisons legal? I've been wondering how it's legal for a private organization to incarcerate a federal/state prisoner (or any prisoner of the government for that matter).<|im_end|> <|im_start|>assistant How is the government hiring a company to manage prisoners different from the g...
<|im_start|>user I have a cold and am curious, what defenses will the virus encounter (in order, from entry)?<|im_end|> <|im_start|>assistant First, there are physical barriers. Skin, for example. Then, assuming you got it through contact between your mucous membranes (mouth, nose, eyes) and particles containing the ...
<|im_start|>user CMV: If it comes to climate-induced migration, the nations with the highest emissions have a moral obligation to admit their share of refugees. Not doing so would be morally reprehensible. In 2017 The Guardian wrote: &amp;#x200B; &gt;Climate change 'will create world's biggest refugee crisis'. &gt;...
<|im_start|>user What does the Schrodinger equation mean and what does it tell us? I am beginning quantum mechanics and we have been studying the Schrodinger equation pretty extensively. But I am confused about what this equation represents and why can't we derive it?<|im_end|> <|im_start|>assistant The time-dependent ...
<|im_start|>user CMV: It's not sexist to think that there are traits more common in women versus men and these same traits make you more likely to succeed in certain jobs and industries. Modern psychology acknowledges differences in the mental functions and behaviors of the sexes. For example, males show greater affini...
<|im_start|>user ELI5: Why smartphones can't capture decent pictures of the moon/stars.<|im_end|> <|im_start|>assistant There are two main characteristics of a camera. How much light it collects, and for how long. In mechanical cameras, these are aperture size and shutter speed, respectively. Smartphone cameras do not ...
<|im_start|>user ELI5: why is blood pressure an important health metric? And how does sodium affect it?<|im_end|> <|im_start|>assistant High blood pressure can often indicate blockages in blood vessels, or hardened vessels, and this makes the heart work harder than it needs to. More work means the heart wears out faste...
<|im_start|>user [Dc comics/Batman] What kind of certifications does Batman need to to fly the Batplane and what FAA rules does he break whenever he goes up? Let's go with this version of the Batplane: http://imgur.com/a/tG0Na<|im_end|> <|im_start|>assistant Well in addition to pilot's license, whether it be Private or...
<|im_start|>user Why does an excess of neutrons make an atomic nucleus unstable? From what I've learned on the net, larger nuclei are less stable than smaller ones. This is apparently because larger nuclei have more protons, meaning that their compounding repulsive forces eventually overcome the strong nuclear force th...
<|im_start|>user How detailed are reflections in mirrors? If you were to zoom in on a mirror, just how detailed could the reflection be? Would it get blurry and fuzzy like when you try to zoom in on a picture? Or could you zoom in far enough and see atoms? (this is all assuming you have a mirror with 100% reflectivit...
<|im_start|>user Eli5: How come humans need around 1,500-2000calories for basic survival of the Body but people suffering from severe anorexia can carry on for years eating a lot less.<|im_end|> <|im_start|>assistant 1500 to 2000 calories is what the body needs to remain healthy. Less than that and the body begins cann...