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<|im_start|>user ELI5: What is Homeopathy and does it really work?<|im_end|> <|im_start|>assistant Homeopathy is: &gt; the treatment of disease by minute doses of natural substances that in a healthy person would produce symptoms of disease. Basically, they take something that might cause you problems, and then dillu...
<|im_start|>user ELI5: When you see a lone tree growing in a meadow, what’s preventing other trees from growing nearby?<|im_end|> <|im_start|>assistant Historically, farmers would clear frees to make larger more efficient fields. But before tractors, they would leave a small number of trees behind to provide shade dur...
<|im_start|>user ELI5: Why do we see black spots after looking into a bright light?<|im_end|> <|im_start|>assistant The spots aren't, strictly speaking "black", they are "no signal" areas. Sight is basically a chemical reaction. The rods and cones of your eyes produce dyes. (See "Rhodopsin" and/or "visual purple" et a...
<|im_start|>user ELI5: In trading, what does liquidity mean and how does it work<|im_end|> <|im_start|>assistant You can think of it as the 'transferability' of a financial instrument (either cash, or an investment). High liquidity means it's easier to use and transfer an item; low liquidity means you're pretty much st...
<|im_start|>user How do Olympiads keep breaking world records? Won't there come a point where they can be broken no longer? I understand that technology has improved training immensively, swimsuits, nutrition, and training regimes, but eventually the human potential physically has to be reached, doesn't it?<|im_end|> <...
<|im_start|>user ELI5 why isn’t it sufficiently satisfying just to chew tasty (but unhealthy) food rather than also needing to swallow it in order to enjoy it fully? In other words, we all eat food that tastes great but is unhealthy. The part that we like is chewing it and enjoying the taste in our mouths. It would be ...
<|im_start|>user Best ECONOMICS Books for beginners? I am planning to study economics in university. But before that I want to read some economic books. Any good beginner books, I don’t want to start with Wealth of nations first<|im_end|> <|im_start|>assistant The usual advice is to start with an introductory textbook....
<|im_start|>user Is it hard to learn how to program on IOS/Android from scratch? How should I do it? I have ideas but not the money to pay a programmer to create the app so I'm thinking about learning how to do it myself. How should I approach it?<|im_end|> <|im_start|>assistant Programming apps is the deep end of the ...
<|im_start|>user ELI5: Freudian psychology<|im_end|> <|im_start|>assistant Freud was one of the first people to say that how we act and think as adults is hugely determined by our parents and our childhood situation. He outlined different stages that children go through and said that if the child has some kind of trau...
<|im_start|>user CMV: Adding pronouns to emails sigs and Zoom call names and what not is extraneous and unnecessary unless your name is ambiguous, or if your pronouns aren't what we'd reasonably expect Okay, let's say you get an email from someone named "Steven". What are Steven's pronouns? I'm gonna guess they're prob...
<|im_start|>user Since potential energy adds to an objects mass, would an object almost infinitely far from a gravitational source have almost infinite mass? I’m going off of this video here. I have zero background in this kind of thing, just curious. https://youtu.be/Xo232kyTsO0 Seems to me if one blocked stacked o...
<|im_start|>user ELI5: Why do German luxury automobile brands such as Audi/BMW/Mercedes recommend oil changes every 15K+ miles whereas American standard brands like Ford and Chevy still recommend oil changes every 3-5K miles? I have always owned American car brands and regularly changed the oil at the recommended 5K mi...
<|im_start|>user CMV: Bojack Horseman does a better job in portraying mental illness than 13 Reasons Why, and deserved more media attention. Two popular shows on Netflix about mental illness is 13 Reasons Why and BoJack Horseman. I feel that 13 Reasons Why is more popular in the media and is more known overall. However...
<|im_start|>user Why is infrastructure spending such a contentious subject in the US? From my understanding, infrastructure spending would improve the supply chains in the US, create jobs, reduce green house gases, along with providing many other benefits. President Eisenhower's interstate highway system seemed to be...
<|im_start|>user ELI5: Ayn Rand's objectivism<|im_end|> <|im_start|>assistant What we perceive with our senses around us is real and not just a figment of ours or some other beings consciousness. The best way to learn about our world is through reason and science. Your mind is the greatest tool that we as human being...
<|im_start|>user Do different gases convect heat at different rates? Metal and wood conduct heat at two different rates, but do gases behave the same? If there is a difference, would the effect be noticeable by touch?<|im_end|> <|im_start|>assistant Heat transfer due to natural convection is not trivial, and there are...
<|im_start|>user Why are water bottles always #1 plastic, milk jugs always #2, and yogurt/margarine containers always #5?<|im_end|> <|im_start|>assistant I am a packaging engineer. The numbers refer to different types of plastics which all have different properties - strength, barrier to oxygen or moisture vapor, how i...
<|im_start|>user Why do we use significant figures? In high school chemistry this year, I was introduced to significant figures and taught the 'rules' of how to use them. I understand the gist of it being an answer cannot be more precise than it's measurement tool and I know about the example with the cutting of wood (...
<|im_start|>user How do they load operating systems onto completely blank computers? Say I have a computer that is just the absolutely bare electronics. Nothing to read a usb or any inputs. How would I load an operating system onto it? How do computer manufacturers accomplish this?<|im_end|> <|im_start|>assistant The m...
<|im_start|>user Is it possible, consciously and voluntarily, to do something without ever having decided to do so? In crime &amp; punishment, Raskolnikov never decides to commit his crime. He is fascinated by the hypothetical, i.e. the possibility of it, and rehearses the crime repeatedly -- but, still, he never decid...
<|im_start|>user [WH40K] So there's some 9 ft. tall Jehova's Witness at my door - how can I get him to go away? Hi reddit, I live on a small island by myself and try not to mingle with people much. Yesterday however, I looked out my cottage window and saw some kind of floating castle spaceship. Some odd fellows poppe...
<|im_start|>user How do we / did we decipher the structure of molecules given the fact they are so small that we can't really directly look at them through a microscope? Hello there, this is a very basic question, that I always have in my mind somehow. How do we decipher the structure of molecules? You can take any m...
<|im_start|>user ELI5: Why do law firms always have the last name of partners IE "Smith, Jones &amp; Jackson" and not names like other businesses<|im_end|> <|im_start|>assistant Because lawyers, like doctors, engineers, architects, etc. are personally licensed to practice their profession. A corporation can't become li...
<|im_start|>user ELI5: How are artificial color dyes made differently from natural color dyes?<|im_end|> <|im_start|>assistant Natural dyes are made by taking something that's the right color and processing it into a dye. Artificial dyes are made by putting generic, commodity chemicals into a chemical reaction process...
<|im_start|>user CMV: On the whole, fossil fuel use is a net positive for mankind and should not be curtailed from current levels I'm sure this post will generate lost of hate, but this is actually how I feel. No, I'm not a shill for the oil companies. Scientifically, I've looked at the evidence and the benefits of usi...
<|im_start|>user CMV: Auto Insurance should be required to cover the full amount of medical bills of crash victims up to about $8 Million. In most US states, auto insurance is required to pay out [$25,000](https://www.thebalance.com/understanding-minimum-car-insurance-requirements-2645473) to crash victims. This is a r...
<|im_start|>user [Star Wars] How do the people on Coruscant breath, eat and drink without any nature left? Also: Why did they destroy all nature? At least something like the parks in New York should be there.<|im_end|> <|im_start|>assistant A gigantic portion of Coruscant's space and air traffic is the infrastructure t...
<|im_start|>user How to read philosophy? I'm reading Descartes' Meditations right now, and I feel like I'm getting the overall picture but not many of the finer details, the exact logic of his reasoning, and in general I don't feel that I'm understanding all that I should be. I'm not used to reading philosophy, is the...
<|im_start|>user ELI5: Why does glass break when transferred from hot to cold water, but not something like an egg?<|im_end|> <|im_start|>assistant First, a plaque of glass is very solid and strong, an egg shell is very porous and bendable. Second, hot objects expands while cold objects contract. Because an egg shell...
<|im_start|>user If there isn't an objective truth, where does the authority of a art critic come from? For the sake of argument we will follow the following premise that there is not an objective truth. Recently I was wondering this. "If there is no" good taste "or" bad taste "to appreciate art, where does the judgm...
<|im_start|>user What is academia like in Germany ? I have been reading a lot of posts about how bad the academia is in many countries like Publish or Perish or pressure to constantly publish in big journals but then i read some good things about academia in Germany and that is chilled than academia in most countries s...
<|im_start|>user How do man made structures get naturally buried and forgotten over time? Often times you hear of long lost buildings or even full cities that get buried underground and forgotten over the years. How does that happen? How does ground level get higher and higher over the years?<|im_end|> <|im_start|>assi...
<|im_start|>user Can executive functions be improved? Hello. Apparently fluid intelligence can not be improved, yet. Can we do something about executive functions? Wikipedia article about executive functions says it can be improved at any age. I am 22. Perhaps, I can specifically do certain things since the prefrontal...
<|im_start|>user ELI5: What's that wall of gibberish text when you open some type file in notepad? "¾xàÏù" An enormous wall of basically **that** is what you can expect when you open up any type of random file in notepad that isn't meant to be in notepad. What is it? What happens if you just erase a random part of thi...
<|im_start|>user CMV: I think all of human endeavor is a result of the desire to get laid. Every achievement that mankind has been part of has its origins in the instinct to pass on genes. Every skyscraper and monument built, the moon landing, great works of genius and moral teachings. All of them produced by people to...
<|im_start|>user ELI5: why is 12 volts very common? Why not 11 or 9 volts?<|im_end|> <|im_start|>assistant The voltages produced by a single cell of a battery is determined by the battery chemistry. For lead-acid, this is ~1.5V. 8 of those cells produce 12V. In terms of "why not 11 volts?", you can't build an 11V batt...
<|im_start|>user ELI5:What is the concept of Buridan's Ass? I read this article https://www.linkedin.com/pulse/buridans-ass-why-doctors-make-mistakes-anurag-mundhada?trk=pulse_spock-articles However I am confused - can someone shed light on this principle?<|im_end|> <|im_start|>assistant The basic principle is that it...
<|im_start|>user What should I look up/study to get started with OS design and deployment. I am a pretty decent problem solver, I enjoy programming and it has been one of my dreams to learn to and finaly create my own Operating System. (I am currently in my first semestr at Uni - EU) Where should I begin ? What should ...
<|im_start|>user Department forcing me to teach a course even though my advisor has funds available to fund me from a grant TLDR: My department is forcing me to teach a course even though my advisor has funds available to pay me from a grant. Is this even legal? Should I contact the dean of students or graduate school?...
<|im_start|>user ELI5: What are the duties of military personnel stationed in peaceful countries. For example American military personnel stationed in South Korea or Japan. What are their responsibilities and duties.<|im_end|> <|im_start|>assistant There are lots of things to do around the base like maintaining equipme...
<|im_start|>user ELI5: How can "making the body more alkaline" be a good thing? I've seen a few things about the idea you should make your body more alkaline (chicken is acidic etc.), it seems like bullshit, but just wondering if there is even the slightest real science behind this idea. Most foods seem to have a pH lo...
<|im_start|>user [Judge Dredd] What's the shortest sentence a civilian can be subjected to by a Judge? Similarly, what's the most minor offence?<|im_end|> <|im_start|>assistant Judges have a lot of discretion; the SJS will be on them if they're chronically lax or harsh, but otherwise the judge rules. For instance, Dred...
<|im_start|>user In Star Trek If the Federation did not have/need currency how did they barter with other species?<|im_end|> <|im_start|>assistant The UFP as a whole does not have currency/credit per se - but many people have different mass/energy allocations due to either their socio-economic status or responsibilitie...
<|im_start|>user CMV: Millennials don't have it worse than any other generation. Some things have gotten worse, some things have gotten better. Each generation faces their own unique challenges. I know this is a hot button issue for Millennials. Let me start by saying, I am a member of the Millennial generation. I wa...
<|im_start|>user ELI5 why there is a nominal size that is different from actual size when working with something like lumber<|im_end|> <|im_start|>assistant Lumber is what we call wood that's used to build things. When you're planning out how to build a house or something, it's very important to know the size of the wo...
<|im_start|>user ELI5:why are our fingers different lengths?<|im_end|> <|im_start|>assistant Hands are useful for grasping—hanging onto a tree limb (or hanging onto a ladder), picking berries (or picking up groceries), throwing a clod of dirt (or throwing a baseball). If our fingers were the same length, our hands woul...
<|im_start|>user CMV: The HOV lane should be removed. Limiting access to a lane during rush hours is moronic. The HOV lane is a terrible idea that has failed us as a society. I don't know if the original intention was to force people into carpooling or they thought it would be smarter to provide a lane of travel dedica...
<|im_start|>user ELI5: How does a food processor work differently than a blender?<|im_end|> <|im_start|>assistant A food processor tends to have a much wider, flatter work bowl, which means that it is much better at getting larger amounts of food - particularly solid food - to a smaller-but-not-puree consistency. A bl...
<|im_start|>user ELI5 why people have different bloodtypes<|im_end|> <|im_start|>assistant There are two main antigens that form around our red blood cells, they are known as A and B. So, if your blood type AB, then you have both the A and B antigens. Type O lacks the A and B antigens, so the antibodies of a type O pat...
<|im_start|>user Why does our hair continue to grow? I was told our hair is what's left from fur after evolution. But why does our hair continue to grow whereas animal fur stays roughly the same length (and regrows to the same length after cutting it). Also: Are there any animals that loose their fur with old age?<|im_...
<|im_start|>user What can be known with little or no evidence? Some things, like math or "I think therefore I am", can be known a priori. Is there anything else? Is reasoning futile without good information. Why or why not?<|im_end|> <|im_start|>assistant Tautologies, e.g. "All bachelors are unmarried". One need not ...
<|im_start|>user How are billions of transistors put on a microchip the size of your thumbnail? With what tools are humans able to arrange materials with this (nearly atom specific) level of precision? We find it impressive when an artist can carve a sculpture on the tip of a pencil or on a grain of rice, but a transis...
<|im_start|>user ELI5: How do we actually reproduce the flavor of something? For example, how do companies go from an actual banana to creating something that is banana flavored, but contains no bananas, like gum?<|im_end|> <|im_start|>assistant Take an organic chemistry class and you'll likely find out in lab! Basica...
<|im_start|>user ELI5: The Public Safety exemption to Miranda rights According to CNN's Jake Tapper (twitter feed 4/19 6:34 PST), the police invoked the 'Public Safety' exemption to Miranda rights when they arrested the suspect in the Boston Marathon bombings. I found the FBI's page (see below) on it but I'm a five yea...
<|im_start|>user When we talk about "technology", why do we talk about high techs like computers &amp; gadgets, artificial intelligence, bioengineering. But not plumbing, scissors, baskets? Technology can be defined as "the collection of techniques, skills, methods, and processes used in the production of goods or serv...
<|im_start|>user ELI5: Why was the historical development of beer more important than that of other alcoholic beverages?<|im_end|> <|im_start|>assistant Beer (and wine and mead) come first. All other alcoholic beverages are products of refining (properly "distilling") the various beers into stronger mixtures. So to ma...
<|im_start|>user How exactly do electromagnetic waves carry data through the air? I've been under the impression that radios signals are turned on and off rapidly to represent 1's and 0's. Am I correct or is data transmitted somehow else entirely? Edit: To clarify, I'm talking about all wireless technologies, such as...
<|im_start|>user ELI5: Uses of complex numbers. I recently got interested in the topic of complex numbers, I watched a few videos on YouTube about the subject and I think I got the general idea of what they are. But I still don't understand what uses they have in real life.<|im_end|> <|im_start|>assistant The original ...
<|im_start|>user Why did Wittgenstein's first book make such a strong impact? (talking about *Tractatus Logico-Philosophicus*) Or did it not? It's considered a philosophical text but on the source side, I think it's lacking (he didn't cite anything, correct?), and yet again I find much of it compelling. However, I've...
<|im_start|>user ELI5: How does allergy medicine work? Does it suppress the immune system in some way or does it use another mechanism?<|im_end|> <|im_start|>assistant Antihistamines (Benadryl/diphenhydramine, Zyrtec/cetirizine) block the effect of a pretty specific part of the immune system, the histamine released by ...
<|im_start|>user Prof invites me to travel with her for research but unpaid. Should I take it? Currently an undergrad finishing school at the end of this year. A professor who has similar research interests as I told me about his trip to country X next year for a research project when I visited her office this week. ...
<|im_start|>user ELI5: how can an iPhone be so hard to hack when entire banking systems and other massive companies can be successfully targeted?<|im_end|> <|im_start|>assistant Big companies have many separate systems, many of which have to talk to each other, which means many potential vulnerabilities (often the empl...
<|im_start|>user ELI5: Why does 100% humidity not mean water everywhere?<|im_end|> <|im_start|>assistant Atmosphere, which is a collection of gasses (including water vapor), has physical properties (temperature, pressure, etc) that let it hold a certain amount of moisture. Anything past that limit, and you can't add mo...
<|im_start|>user ELI5: Why does food that is bad for people taste good, while food that is healthier tastes worse?<|im_end|> <|im_start|>assistant Our bodies instinctively like foods with high energy contents: fats, oils, and sugars. It's a survival mechanism that isn't really helpful any more. Cavemen who ate animal f...
<|im_start|>user Why can some animals, like turtles, develop in to different sexes after conception based on environmental conditions, while in humans it's fixed in genetics? What is different in a turtle's DNA, and why don't humans have the same ability? Or do they?<|im_end|> <|im_start|>assistant Still waiting for a ...
<|im_start|>user Why does contemporary work in ethics within the Analytic tradition seem so far removed from the ethical problems that each of us face in our lives? I have taken a number of graduate courses in contemporary metaethics. I can't for the life of me give a damn about the discussion being had about global he...
<|im_start|>user [The Expanse] What are the major differences between the cultures of Earth/Earthers and Mars/Martians?<|im_end|> <|im_start|>assistant It’s important to distinguish *perception* versus *reality* when we talk about the differences in Culture between Mars and Earth. If you ask a Martian about Earther cu...
<|im_start|>user What would happen in mathematicians decided to change the order of operations? Would math still work if everyone agreed, or is something about it intrinsic?<|im_end|> <|im_start|>assistant Mathematics doesn't depend on the order of operations. That concept is just something we need for the way we typic...
<|im_start|>user CMV: Anyone who supports trans-women (MtF) in competing in women’s sports either doesn’t understand their biological advantage, or simply doesn’t care about sports and consequences this would create Recently the news about trans weightlifter from New Zealand competing in OI were trending. She used to c...
<|im_start|>user ELI5: What are RAW images and how do they differ from normal images? I’ve listened to many tech reviewers and photo editors saying that RAW images are better and have been intrigued by it. Also what are it’s merits and demerits?<|im_end|> <|im_start|>assistant RAW images = what your camera sensor sees,...
<|im_start|>user Can there be such a distance function? I want to know about a special distance function. I know the properties of a normal distance function, in any space, but one has recently drawn my attention: the triangular inequality. The triangular inequality can be explained the following manner (if I understan...
<|im_start|>user CMV: All public funding for neonatal circumcision should cease As an intactivist sympathizer I do not support neonatal circumcisions at all -- the only exceptions to this are when a baby provably has a foreskin infection that circumcision can prevent. But absolutely no government money can go towards c...
<|im_start|>user ELI5: How is it that, say, Lebron James and Danny DeVito are considered to be the same species despite being so physically different, but a brown bear and a black bear are considered to be completely different species despite being so physically similar?<|im_end|> <|im_start|>assistant Defining species...
<|im_start|>user Any tips for reading research papers? I am trying to read and understand research papers at the moment regarding path finding algorithms. I find a lot of research papers to be a bit hard to get through. Does anyone have any tips on how to tackle them?<|im_end|> <|im_start|>assistant Read them over seve...
<|im_start|>user How close does the energy of a photon have to be to the energy jump of an electron for it to absorb the photon? If an electron can only absorb all or none of a photon and can only jump up to specific energy levels, the energy of the photon would have to be equal to the energy level of the electron. But...
<|im_start|>user CMV: Terminally Ill Individuals Should Be Able To Elect For Assisted Suicide While the right to die is of course a very sensitive subject and can involve a lot of controversy; I feel that narrowing the scope of the subject down to the terminally ill makes it much easier to discuss. Whenever we, or at l...
<|im_start|>user ELI5: Langrangian points<|im_end|> <|im_start|>assistant Lagrange points are special points found within what is called a three body system, where there are 3 different massive objects. These are points where if two of the objects are orbiting each other via a barycenter, the third, if placed at one of...
<|im_start|>user ELI5: how the Nazi identify the Jews in the holocaust I mean, just by accusation? Did they had a census or anything? In the common cold war dictatorships delation or previous political activities were the cannon for getting people into trouble, but in the Nazi regime the idea was to delete an entire et...
<|im_start|>user [DC/Marvel] What keeps the DC universe earth from having their own "Civil War"? Compared with the Marvel earth, the DC earth has just as many events of destruction, if not more because of the advanced power of their heroes and villians. In some continuities San Diego was sunk, and a whole city (coast ...
<|im_start|>user eli5: Why does it sometimes get harder to fall asleep the longer you stay awake?<|im_end|> <|im_start|>assistant Tiredness and wakefulness are two independent states influenced by your circadian rhythm. Your body produces melatonin to help induce sleep, as controlled by the circadian rhythm. This peak...
<|im_start|>user ELI5: Why does the US have military bases and constant presence in other countries, but other countries don't have military bases in the US?<|im_end|> <|im_start|>assistant In Germany and Japan, it has to do with agreements that the Germans and Japanese agreed to when the peace treaty was signed to end...
<|im_start|>user ELI5: Why does food have to be labeled "not a significant source of ___" I knew my diet green tea wouldn't be a significant source of calories from fat or iron. I figured that would be a given. Is there a reason they have to include that label on everything? Also why not do it with everything else rath...
<|im_start|>user ELI5: how does going to war make a country richer?<|im_end|> <|im_start|>assistant It doesn't usually make the country as a whole richer, but it might make the small group of people in charge richer, especially if they own or have investments in industries that would profit from war (weapons industries...
<|im_start|>user ELI5: Why can't the whole world switch to one currency? What would happen if it was attempted? EDIT: Why so many downvotes?!?<|im_end|> <|im_start|>assistant The advantage of multiple currencies is that if one country has economic booms or busts they can tweak their currencies so they are worth more o...
<|im_start|>user ELI5: The Simpson's Paradox Just saw a comment on it on /r/askreddit and I cannot wrap my head around it. Is it just bad methodology in studies (at least for the kidney stones)?<|im_end|> <|im_start|>assistant The classic example is something like comparing exam pass rates for boys and girls. It's pos...
<|im_start|>user ELI5: How do refrigerators, coolers/cooler rooms and freezers work? They are powered by electricity (obviously) and sometimes the back of a fridge is warm. But what is going on inside that makes the temperature inside the fridge/cooler cold? Thanks!<|im_end|> <|im_start|>assistant Refrigeration works o...
<|im_start|>user How close would lightning have to strike to you in a body of water to fatally shock you? I have no idea what variables would come into play here, but assume the following: * Freshwater Lake * You're swimming on the surface * Take an "average" lightning bolt How far would lightning travel once it's hi...
<|im_start|>user ELI5: Why is cancer so hard to cure? Will we ever find an infallible cure?<|im_end|> <|im_start|>assistant Usually, cells that cause disease are very different to your cells. Bacterial cells have very different characteristics to human cells and so we can use treatments that exploit those differences t...
<|im_start|>user Theoretically, if one could double a male's X chromosome, could one produce a female clone of the man? Assuming all social aspects were taken care of, is the genetic material there to possibly create a female clone of a man?<|im_end|> <|im_start|>assistant The X and Y chromosomes contain genetic inform...
<|im_start|>user ELI5: What happens to urine and fecal matter after we flush the toilet? How is it treated and, in particular, where does the solid waste end up?<|im_end|> <|im_start|>assistant That's a question with a ton of detail. There are two types of sludge treatment; primary and secondary. Most of these proces...
<|im_start|>user Since children are growing and constantly have dividing cells, why do they have lower cancer rates than adults (who are not growing)?<|im_end|> <|im_start|>assistant Cancer develops when cells malfunction, and when the malfunction is not handled by the immune system. Cells can malfunction for three re...
<|im_start|>user ELI5: Why it is unsafe to drink rubbing alcohol? I know this sounds horrible, and I will never do it, but It is just alcohol isn't it? Why isn't it possible to mix a drink with it?<|im_end|> <|im_start|>assistant Alcohol is just a class of organic molecules that has a hydroxyl group attached to a singl...
<|im_start|>user [astronomy] If the universe expanded at the same rate during the Big Bang why are there areas of high mass density( galaxies) and areas of low mass densities?<|im_end|> <|im_start|>assistant That is actually a great question, but very hard to answer. It touches on many different parts of cosmology and ...
<|im_start|>user ELI5: Why isn't there a "life skills" class offered in highschool to teach kids how to change tires, get credit, and other necessary information to function in the real world?<|im_end|> <|im_start|>assistant we had one in high school (not in the US) it included: * Checkbook balancing - basic financial...
<|im_start|>user How can TSA/Airport security workers stand next to X and T ray machines all day everyday without any ill effects? I know the people walking through the machines have nothing to worry about, but are there any precautions in place to stop the workers absorbing these rays? Do the machines focus the radiat...
<|im_start|>user How does carbon dating work? I wanted to know the process and the equations involved in carbon dating<|im_end|> <|im_start|>assistant Carbon dating (like any other method of radiometric dating) uses the ratios of specific isotopes of (in this case) carbon to assess the age of the material. **Process:*...
<|im_start|>user ELI5:How do Persian rug shops stay in business? I understand that rugs can cost in the tens of thousands but I pass by these places in my city and they always look shady and empty. The rugs always cover the windows so you can't see inside the shop. Are these places fronts for back door dealings or legi...
<|im_start|>user Why does Agile get so much training geared towards it? So I’ve just started a new job, after a 3-month training course in Java development. I already had about 6 months of experience working in what was basically Agile for a much smaller company. My training period contained a bunch of training on Agi...
<|im_start|>user Do quantum mechanical effects have any physiological consequences for how our brains work?<|im_end|> <|im_start|>assistant Aside from quantum effects being at the core of physics and chemistry as per the other comments, there are also some, lets say, less supported, theories. Roger Penrose, the physic...
<|im_start|>user ELI5: Why do muscles swell and look larger during workout?<|im_end|> <|im_start|>assistant The blood vessels in the muscles dilate to allow more blood (and thus oxygen) to go to the muscles when kts needed. This causes them to hold more fluid for a limited time, making them look bigger than they actu...