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<|im_start|>user ELI5: How does it hurt someone to be over-qualified for a job? I'm planning to get my PhD, but I'm not entirely sure what I want to do for a career. I'm worried that having a PhD would make me overqualified for other jobs. I've often heard that this happens, but I do not understand why. If I have a ...
<|im_start|>user What do divestments in Russian assets acheive? Norway's sov wealth fund now says it will also divest of Russian assets. But does this do anything to harm Russia at all economically? Doesn't it just mean potential Russian buyers could buy shares for a lot less than their original value, while at the sam...
<|im_start|>user Trying to reverse engineer POST requests, how do I 'catch' them? I can see the response in Developer tools, but I can't see the POST request being sent. Do I really need to MITM myself to see this?<|im_end|> <|im_start|>assistant You should be able to see the contents of POST requests in dev tools. As...
<|im_start|>user ELI5: why do you get the pee shivers, and what's going on to make your body do that? Pee shivers. What's the deal?<|im_end|> <|im_start|>assistant I've asked this question here before and have yet to find a suitable answer. Edit: Did google search. The following is courtesy of Mental_Floss. The most ...
<|im_start|>user ELI5: Why do fruits like pinneapples and kiwi leave a rough feeling on the tongue?<|im_end|> <|im_start|>assistant Human skin contains oils which aid in blocking out the absorption of chemicals which would harm or irritate the skin. Those oils contain proteins. Pineapple contains a chemical compound ca...
<|im_start|>user [General Superhero]What would the medical term for super powers be? Like if I were filling out a patient form at a doctors office, how would the question asking if I had any super powers be worded, and what would the actual medical condition be named?<|im_end|> <|im_start|>assistant For arbitrarily com...
<|im_start|>user Difference between exploratory and confirmatory factor analysis I tried doing research/ readings but I'm still pretty confused. Any explanation would be very helpful.<|im_end|> <|im_start|>assistant Hello! An EFA is for finding the factor structure of a set of items. A CFA is for confirming that facto...
<|im_start|>user ELI5: Why do computers start to slow down over time?<|im_end|> <|im_start|>assistant There's many different things at play here, but here's just a few. First and foremost, your software programs become more demanding over time, while your computer's physical hardware stays the same. As software is upd...
<|im_start|>user What advancements could quantum computing provide for future videogames? Would CPUs and GPUs be more powerful, resulting in realistic game physics and unlimited AI? What other effects could we potentially see? I'm new to the ideas and potential of quantum computing.<|im_end|> <|im_start|>assistant Quan...
<|im_start|>user Why can't we make the 9 essential amino acids? From what I understand, other organisms can synthesize them so where along the evolutionary period did we lose this ability?<|im_end|> <|im_start|>assistant The exact point at which our ancestors lost the ability to synthesize the amino acid is going to va...
<|im_start|>user ELI5: How did Walmart become so successful? Did it use the government to pass laws that helped it expand/corporate welfare, or does it have nothing to do with any of that?<|im_end|> <|im_start|>assistant They buy in bulk, make incredibly good deals with manufacturers, move into growing areas that are r...
<|im_start|>user Eli5 why foam is always white, regardless of the color of soap or detergent?<|im_end|> <|im_start|>assistant Whenever light goes from one transparent material to another, some of the light is reflected off the surface. You can see your own reflection in a glass window. Foam has *lots* of surfaces lik...
<|im_start|>user Does isotopic abundance differ enough on the various planets enough to think about producing planet specific periodic tables? So the relative atomic masses on our periodic table are earth specific. Would there be a significant enough difference in isotopic abundances from Earth to warrant a change in t...
<|im_start|>user ELI5: What exactly is a watershed and how does it work? For instance, we live in the Chesapeake Bay Watershed area. I have attempted to read on the subject, and consider myself a smart gal, but this just confuses me all day. Thanks<|im_end|> <|im_start|>assistant Pick a spot on the ground. Imagine that...
<|im_start|>user ELI5: Carbon makes steel strong. But why does too much carbon makes the steel brittle? Carbon is added to steel to increase its strength and hardness but why does too much carbon makes it brittle? Can some explain in terms of the iron crystal lattices ?<|im_end|> <|im_start|>assistant Metals have cryst...
<|im_start|>user ELI5: Why is Finnegan's Wake considered to be such a classic of English literature, when it's completely incomprehensible and scholars can't even agree on what the plot is? I mean really, here's the whole book - http://www.chartrain.org/PDF/Finnegans.pdf - what the hell?<|im_end|> <|im_start|>assistant...
<|im_start|>user CMV: We raise children to embody "good" personality traits, but society heavily rewards "bad" behavior. In essence, by trying to raise our children to be good people, we are ultimately setting them up for failure. NOTE: I would like to preface this by saying that we should NOT change what we preach, bu...
<|im_start|>user [Fight Club] When Tyler is present, who is in control of the body? First, I know I'm breaking the first two rules for posting this. Kind of a simple question, when Tyler Durden is around who is actually "in control" of the Narrator's body? Does it change depending on context? When the Narrator is havi...
<|im_start|>user ELI5: Legally, if we have the right to bear arms, why can't we own bazookas, machine guns, anti aircraft guns etc?<|im_end|> <|im_start|>assistant In most states you can, it requires a Federal and State firearms license, and if you do enough selling or trading a business license. Most people who do own...
<|im_start|>user ELI5: Everything has Sodium Laureth Sulfate in it. What's the real difference between hand soap, shampoo and body wash?<|im_end|> <|im_start|>assistant Sodium laureth sulfate is what is called a wetting agent. Together with various chemical compounds that break surface tension and make emulsions, it be...
<|im_start|>user Out of all alkali metals, why is it that Lithium used in batteries? What makes it supperior to use over other alkali metals which have properties alike. As the title says. I am trying to understand, but I can't find anything on the internet. I'd really appreciate if someone who knows the answer would e...
<|im_start|>user ELI5: the difference between variance and standard deviation Thanks to everyone for the guidance. It may not seem like much to some of you, but it has been a huge help to someone who is getting off the ground in this area.<|im_end|> <|im_start|>assistant Standard deviation is the square root of varianc...
<|im_start|>user ELI5: When swiping a card, you would think if you swipe slowly the machine could get a better read and accept your card. Why is this not the case? Why do you have to swipe it fast?<|im_end|> <|im_start|>assistant A magnetic stripe readers operates by listening to a magnetic field for changes created by...
<|im_start|>user Why are some skills perishable, while others are not? Last evening I was reading a book, and it said something along the lines of 'unlike riding a bike, piloting an aircraft is a perishable skill.' This made me wonder: why are some skills perishable if we don't make use of them, while others, such as ...
<|im_start|>user Why do some programs require a specific version(s) of Windows or Mac OS, but some don't? Some programs might require Windows 7, others 7/Vista, and others 7/Vista/XP. What causes these programs to require specific versions, and why do some seem to not?<|im_end|> <|im_start|>assistant There are typical...
<|im_start|>user ELI5: Please explain how first, second, third and so on cousins work? Also what does ‘once and twice removed’ cousins work in that context?<|im_end|> <|im_start|>assistant brother/sister - same parents 1st cousins - share grandparents 2nd cousins - share great grandparents and so on. Removed is by ...
<|im_start|>user ELI5: What is oxidation exactly?<|im_end|> <|im_start|>assistant Oxidation is the process by which an atom or molecule loses electrons in a chemical reaction. Since this happens pretty much any time oxygen reacts with something and oxygen reacts with lots of things easily (see: burning things) the pr...
<|im_start|>user [Star Trek] The Tamarians can only speak in metaphor, how did they develop warp drive? A key element of working as a team (which presumably researching, developing and building a warp drive would require - along with all the preceding developments that enable it) is effective communication. Speaking on...
<|im_start|>user How does one market a philosophy major? My 'primary' major is biomedical engineering. I'm 2 courses short of a double major with philosophy, but I have a minor in philosophy pretty well secured. I'm trying to justify taking the two extra courses I need in order to get the major. If I didn't take these ...
<|im_start|>user I’m reading Will Durant’s “The Story of Philosophy”. What should I be aware of? I’m new to philosophy and was recommended lots of starting points. I went with Will Durant’s book. I’ve been told there are flaws and biases in every “history of philosophy” book, be it Russell or Kenny, so I’m wondering if...
<|im_start|>user CMV: The solution to Adblock is more entertaining ads and/or better targeting A lot of people run adblock. It sucks for content creators. That much is pretty obvious and I think we can all agree on. That being said, I'm generally a fan of targeted advertising. For example, I tend to hang out a fair am...
<|im_start|>user ELI5: why are smart people more prone to depression?<|im_end|> <|im_start|>assistant Smart people, by nature, have more of a realization (or understanding if you will) of the world and how it works. As well, smart people have a bigger ability to conceptualize things that might happen ("What if?"), and...
<|im_start|>user ELI5, why if you jump inside a moving train you will land on the same spot, but if you jump on the roof of a moving train, you land on a different spot? seen it on twitter and I can’t get my head around it EDIT: thanks guys I get it now 😅<|im_end|> <|im_start|>assistant In most cases you'll see in hig...
<|im_start|>user Aren't some experiments very hard or expensive, and thus not reproducible? Why isn't this a problem? One of the tenets of science is the idea that experiments should be replicated to be verified. But some experiments are too complicated to be so. Giant expensive experiments like the LHC, or complicat...
<|im_start|>user Instead of breathing would it be possible to just oxygenate our blood? Like instead of breathing through the lungs, just directly oxygenate the blood and have it enter the blood stream.<|im_end|> <|im_start|>assistant This is what is done during some heart surgeries, using a heart-lung machine to mecha...
<|im_start|>user ELI5:why is it harder for weed smoke to set off my fire alarm compared to a little smoke from my burnt grilled cheese sandwich.<|im_end|> <|im_start|>assistant There are two types of smoke detectors: optical and ionizing ones. I don't know if ionizing smoke detectors have a harder time detecting weed ...
<|im_start|>user ELI5: Whem pouring liquid from one container to another (bowl, cup), why is it that sometimes it pours gloriously without any spills but sometimes the liquid decides to fucking run down the side of the container im pouring from and make a mess all around the surface? Might not have articulated it best,...
<|im_start|>user ELI5: Why do so many people believe that if your urine isn't clear you aren't drinking enough water and is there any truth to it?<|im_end|> <|im_start|>assistant To understand this, you have to know why we have urine at all. Your blood has to have a very precise chemical balance for your body to be abl...
<|im_start|>user Can someone explain the concept of gravitational potential between 2 masses? I am struggling with the concept of gravitational potential. I know that by definition it is the work done in moving a unit mass from infinity to a point in the gravitational field (GPE per unit mass), but I don't truly grasp ...
<|im_start|>user ELI5: What is Dialectical Materialism?<|im_end|> <|im_start|>assistant A dialectic is an interaction between two things, sometimes opposites. Materialism is a method of reasoning that primarily believes objective reality exists without any observation, that the person observing doesn't create the objec...
<|im_start|>user If possible, could someone give a layman's description of what 'information' is (in reference to the Black hole information paradox the and holographic principle)? E.g. What information is contained within a hydrogen atom, or a water molecule or a cup of tea? Can this information be expressed by number...
<|im_start|>user ELI5: Why are shoe sizes separated into men and women's categories instead of one neutral scale? I was at the mall today and went to a Footlocker just browsing shoes and then left without getting anything. However, in another section of the mall there was a Women's Footlocker selling the exact same sho...
<|im_start|>user What broad distinction can be made in the fields of study between mathematical logic as practiced by mathematicians and philosophical logic as practiced by philosophers? I understand that they both rely on the same, or at least very similar, foundation, but when I look at mathematicians vs philosophers...
<|im_start|>user CMV: Modern Feminism is doing the opposite of what they hope to achieve Edit: the issue is primarily with the extremist activists who would preach their ideology of feminism under the same banner as a more sensible group. Extremists being individuals who would put down the other gender in the fight for...
<|im_start|>user ELI5: Why does our body start to shake after holding a strenuous position for like an extended period of time? e.g. planking or wall-sits and starting to shake before failure.<|im_end|> <|im_start|>assistant In short, holding a position or working out requires muscular stimulation which involves neural...
<|im_start|>user [Final Fantasy] Why are martial artists doing so much damage? I'm a white mage, and I'm in a party with a knight, a ninja, and a martial arts master. We're pretty badass. We just defeated Tiamat, which was no easy feat with no offensive spell power except that one lightning gauntlet we found in the c...
<|im_start|>user ELI5: How come the Female Immune system not reject (treat as foreign material) human semen during reproduction? Isn't semen/sperm considered "non-self" by the female immune system?<|im_end|> <|im_start|>assistant We have many types of immunity, classified as “innate” or “adaptive”. The adaptive immune ...
<|im_start|>user ELI5: Why is there serotonin in snake venom if that chemical is the chemical that makes us happy?<|im_end|> <|im_start|>assistant Your body repurposes the same chemicals for multiple uses. Serotonin is used in the brain to modulate your mood, but it’s also used in the circulatory system to control blo...
<|im_start|>user ELI5: DNA Transcription and the roles of mRNA, rRNA, and tRNA ty in advance<|im_end|> <|im_start|>assistant So in the nucleus of all our cells, we have strands of DNA, which provides a code for the creation of proteins out of little building blocks called amino acids. There has to be a method for the ...
<|im_start|>user [Lord of the Rings] How do the Nazgul/Ringwraiths work? I know they're undead, but past that, I don't know what's going on there. Their bodies are gone, but they're corporeal somehow or something? Can someone explain that one to me.<|im_end|> <|im_start|>assistant There is the world, and the unseen wor...
<|im_start|>user [General Sci-fi] What advantages (if any) do walking vehicles have over wheeled ones? Examples such as [this](http://img1.wikia.nocookie.net/__cb20071022025719/starwars/images/e/e9/At-st_large_pic.jpg), [this](http://img2.wikia.nocookie.net/__cb20090425021909/starwars/images/5/5e/AT-TE_TCW.jpg) and [th...
<|im_start|>user CMV: Freedom of religion should be removed from law. Since we where I live we have freedom of speech I would like to propose to remove the freedom of religion from the law. 1. There is no hard line between any belief (pink unicorns) and say Islam. (saying one believes in pink unicorns does not grant s...
<|im_start|>user When staring into complete darkness do your eyes focus on infinity or are they unfocused?<|im_end|> <|im_start|>assistant Optometrist here. In complete darkness the eyes almost fully relax their focus (accommodation). Some amount remains, known as tonic accommodation, which varies from person to perso...
<|im_start|>user If we can already make hydrogen fuel cells that produce water as waste, would that have the potential to solve a future crisis over lack of fresh water?<|im_end|> <|im_start|>assistant There are a number of ways in which energy can be used to produce fresh water (desalinization, for one example). Wheth...
<|im_start|>user CMV: as a parent it is your responsibility to care for your child to the best of your ability even after they turn 18 When you make the choice to become a parent, you are choosing to take on responsibility for another human being in perpetuity. That child did not choose to be born, you chose to have th...
<|im_start|>user Why do commercial aircraft fly against the jet stream? I've noticed (in the USA) that flying from west to east is significantly faster than flying from east to west. This is because of the jet stream. For instance, flying from Philly to Denver will take about 4 hours and the aircraft will manage a ...
<|im_start|>user ELI5: How exactly does the brain store information?<|im_end|> <|im_start|>assistant Information and stimuli comes into your brain trough your senses: smell, sounds, vision, etc. Most of this if filtered before you even realise it. The relevant stimuli then comes into the working memory, which contains ...
<|im_start|>user CMV: The 1950s were not even close to being a "Golden Age" of America I hear many people talk about the 50s as some glorious era in US history but if you look even slightly beneath the surface that's just not true. If we measure aspects of well-being like health, access to commodities, wealth, safety, ...
<|im_start|>user How are some bacteria able to survive in the upper troposphere? I read in this [article](http://www.sciencemag.org/news/2013/01/microbes-survive-and-maybe-thrive-high-atmosphere) that some bacteria can survive for weeks at an altitude of about 10 km. How can they withstand the low pressure and cold for...
<|im_start|>user ELI5: How are cosmetics and skincare products tested for safety if they don't use animal testing? Do they just use humans which are taking a risk? Even if theoretically something is safe and effective, you need to actually test it to verify.<|im_end|> <|im_start|>assistant Almost all chemicals used in ...
<|im_start|>user ELI5: How scientists know how far away things in space are. Ex stars, planets<|im_end|> <|im_start|>assistant There are a few methods that we use to find out how far away things are in space. The first is called parallax. Basically, we take a picture of the object in the sky. We wait for awhile, and d...
<|im_start|>user Will being near a large particle accelerator such as the LHC cause a magnetic compass to drift from true north? If I am walking near the LHC on the surface how close would I have to be for my magnetic compass to drift an appreciable amount due to the strong magnetic field?<|im_end|> <|im_start|>assista...
<|im_start|>user Why is it that light slows down when moving through a substance such as air or water when light doesn't have any mass?<|im_end|> <|im_start|>assistant In classical theory, the "stiffness" of the medium changes. Consider a string. When plucked, a wave will be seen to travel - the speed of which depend...
<|im_start|>user [Doctor Who] What would it take to make the Doctor just give up and leave? Are there any circumstances in which the Doctor would emerge from the TARDIS, take a good look at the evil and tyranny that was going on, and then just get back in the TARDIS and go find something else to mess with? Any situati...
<|im_start|>user Would wires made of anti-matter have the same electrical properties? Would the right hand rule still apply or would it be the left hand rule? Would electricity be propagated with positrons and would this change how the magnetic fields would be generated? Is it the same, but opposite or the same in ge...
<|im_start|>user Are cancers always fatal when left untreated?<|im_end|> <|im_start|>assistant Depends on the cancer's ability to metastasize. One can live for many years with small carcinomas in thyroid nodules that don't really do anything much, for example. And many people are diagnosed with latent cancer on patholo...
<|im_start|>user What limitations are currently stopping us from collecting and using lightning bolts? Is it the inability to quickly route and store the varied amount of voltage and or amperage?<|im_end|> <|im_start|>assistant Engineering difficulties aside, from a practical standpoint, a lightning bolt has energy in ...
<|im_start|>user [1984] Are the countries Eurasia and Eastasia like Oceania? Better? Worse? Do they even exist? All we know is from the propaganda BB pushes on those countries, right? I haven't read the book yet, it's on my to read list.<|im_end|> <|im_start|>assistant It's understood that Eurasia and Eastasia have gov...
<|im_start|>user [D&amp;D] Do the civilized and semi-civilized races share a common anatomical arrangement? Hearts left of center between two lungs, etc?<|im_end|> <|im_start|>assistant Follow up questions: * Are racial differences explained by differences in biology? Do Dwarves have redundant livers explaining their ...
<|im_start|>user ELI5: How do shells form? Why are there so many types? Why do all the curly shells curl in the same direction?<|im_end|> <|im_start|>assistant Mollusks like snails and clams have very delicate bodies, so they need protection from the elements and predators. As mollusks develop in the sea, their mantle ...
<|im_start|>user Why does Schopenhauer think that the highest ethical aim is to deny the will to live? "According to Schopenhauer, moral freedom—the highest ethical aim—is to be obtained only by a denial of the will to live." - translator's footnote in Schopenhauer's "Studies in Pessimism" I'm very confused. Is it ev...
<|im_start|>user ELI5: What happens if an animal who is supposed to hibernate is unable to? What happens if an animal who is supposed to hibernate during the winter is unable to because of health reasons or even environmental factors (i.e. home being destroyed by forest fire or being snatched out of environment by poac...
<|im_start|>user ELI5: Why does distilled water not work in a keurig machine?<|im_end|> <|im_start|>assistant Coffee makers rely on boiling water to pump the water by gravity. Basically, a column of boiling water containing bubbles is lighter than solid water, so the water in the column can go higher than the water lev...
<|im_start|>user ELI5 Why are different sections of the Ocean labeled as "Seas". For example, the Bearing Sea, Greenland Sea, Norwegian Sea, ect. I understand the Mediterranean Sea and Black Seas as they are separate bodies of water. Most of the rest just don't make sense.<|im_end|> <|im_start|>assistant Naming conve...
<|im_start|>user ELI5: What's the difference between "quality" gasoline and "cheap" gasoline? Everyone talks about "quality" gas like Chevron or whatever and knocks "bad" gas like Arco. What's the difference? Is it worth it? Why?<|im_end|> <|im_start|>assistant The difference is the additives in the gas. For example, S...
<|im_start|>user ELI5: Drinking glasses - why we use certain shapes for certain drinks. Why not drink red wine out of a whiskey tumbler? Does the thickness/quality of the glass matter?<|im_end|> <|im_start|>assistant For wine glasses, they are very shallow and wide at how deep you pour wine as to increase surface, allo...
<|im_start|>user ELI5: What keeps water from getting in, or collecting in, our lungs during heavy fog or mist?<|im_end|> <|im_start|>assistant &gt;What keeps water from getting in, or collecting in, our lungs during heavy fog or mist? Nothing. Water does get in. It coats the entire surface of the lungs. However, lu...
<|im_start|>user How are we able to store data in diamonds? In reference to this post: https://www.reddit.com/r/worldnews/comments/5a4u4w/its_well_known_that_diamonds_are_extremely/ This is not the first time I've read about this but I never looked into it. What is the scientific logic behind being able to store data ...
<|im_start|>user Why are prices of goods lower on Black Friday, when demand for Christmas gifts begins to surge, than After Christmas (Boxing Day), when demand sharply declines?<|im_end|> <|im_start|>assistant The surge in demand around Black Friday is well anticipated by stores, who preemptively increase their supply ...
<|im_start|>user Who are some significant "pantheist" philosophers other than Spinoza who believed essentially that 'matter/energy' and 'spirit' are the same phenomena/completely identical, thus implying that the universe was not created by an eternal being, but is in fact an eternal being?<|im_end|> <|im_start|>assist...
<|im_start|>user How did Marcus Aurelius’s Stoic philosophy reconcile his “living in the moment is the correct way of life” beliefs with the inherent necessity of looking to the future to be a good emperor? In Book 3 of the Meditations he reiterates how a good man does not want to control his future and how one should ...
<|im_start|>user ELI5: What seems to be the best method for raising a dog? I don't think negative reinforcement is the answer. How do I raise a good dog?<|im_end|> <|im_start|>assistant To raise a dog the right way you should place both arms underneath the animal and lift whilst keeping your back straight and shoulder...
<|im_start|>user Is there a term in Economics for something which has an east to measure cost but difficult to measure benefit? EDIT: Always spot typos after submitting, I mean "easy to measure cost" This seems like something there would be a term for. An example would be someone who is employed purely in a support r...
<|im_start|>user ELI5: This Bitcoin mining thing again. Every post I saw explained Bitcoin mining simply by saying "computers do math (hurr durr)". Can someone please give me a concrete example of such a mathematical problem? If this has been answered somewhere else and I didn't find it (and I tried hard!), please feel...
<|im_start|>user What does Sartre mean when he states that 'In fashioning myself I fashion man'? Sartre's theory that existentialism is a humanism includes the idea that our actions account for actions of all mankind. He says 'I am thus responsible for myself and for all men' I understood this to be an extension of Kan...
<|im_start|>user ELI5: What does it mean when people say that an industry is worth $XXX? For example when people say that the electric car industry will be worth 1 trillion. Does that mean that all the goods sold added together are worth that much combined?<|im_end|> <|im_start|>assistant Let's say you are in 4th grad...
<|im_start|>user CMV: You have no basis to tell others what to do based on religious beliefs if they do not hold the same beliefs. I hold the view proposed in the title. I am open to examining it because I see many instances in history and today of people giving behavioural prescriptions based on religious beliefs to o...
<|im_start|>user Why does a reactor meltdown, such as with Chernobyl, create a much longer lasting exclusion zone than a nuclear warhead detonation site?<|im_end|> <|im_start|>assistant It fundamentally comes down to quantities. A modern nuclear warhead may contain *at most* a few hundred kg of fissionable material, l...
<|im_start|>user What is the significance of the Entscheidungsproblem ("decision problem")? As a computer science student, I have often been confronted with the [Entscheidungsproblem](http://en.wikipedia.org/wiki/Entscheidungsproblem) and the work done by Alonzo Church and Alan Turing that showed no general solution to...
<|im_start|>user ELI5: Why does it hurt to read green text on red background and vice versa? What happens to our eyes/brain? [Example](https://www.tarleton.edu/accessibility/images/bad-example-green-bg-red-fg.jpg)<|im_end|> <|im_start|>assistant The lens in your eye tries to focus the light on you retina but light of d...
<|im_start|>user eli5, how do "store brands" work?<|im_end|> <|im_start|>assistant Stores contract with manufacturers to make product specifically for them, usually at a cheaper rate. Some ways that they get a lower cost: sometimes the food manufacturer is not the same as the brand name one. sometimes this is cheape...
<|im_start|>user If gravity causes time dilation, wouldn't deep gravity wells create their own red-shift? How do astronomers distinguish close massive objects from distant objects?<|im_end|> <|im_start|>assistant They estimate the depth of the gravity well. We sit in one ourselves so this can be taken into account as w...
<|im_start|>user ELI5: Why do some airplanes have the wing tips folded up at about 80 degrees and some planes do not?<|im_end|> <|im_start|>assistant A wing provides lift because it creates low pressure on top of the wing, and higher pressure below. As a side effect this causes the air to swirl around the tip of the wi...
<|im_start|>user ELI5: What gives fire its shape?<|im_end|> <|im_start|>assistant When air is heated, it tends to expand. To explain why it expands - Heat is basically the measure of vibration and movement of the actual molecules within a substance. When something is solid, these vibrations don't have enough energy to...
<|im_start|>user What does it mean to be immune to a disease, and how do "carriers" work? From what I understand (I might even be completely wrong?) there is bound to be at least one person on this earth immune to disease X, they could carry it and spread it - but not be affected and killed by it. How does this work? D...
<|im_start|>user If the solubility of CO2 decreases as temperature increases, then why is global warming causing ocean acidification? I've read that the CO2 becomes less soluble in water the hotter it gets, but I've also read that the ocean is absorbing more CO2, causing its pH to decrease. Are both of these statements...
<|im_start|>user ELI5: How did the term "Latin" become associated the culture of Spanish descendants if the Latins were a central Italian hill tribe? edit: Recognizing, of course, the Latin language as the basis for the Romantic languages (French, Romanian, Spanish, Italian, Portuguese). As Rome expanded, did the term...
<|im_start|>user How are modern transistors manufactured? With the current generation of GPU's and CPU's being released and talked about I keep seeing terms like 14nm and 7nm being thrown around. I sort of took this as an arbitrary number for a while and didn't think about it. However when I started doing some research...
<|im_start|>user ELI5: Why do gasoline prices fluctuate so drastically from state to state in the US.<|im_end|> <|im_start|>assistant Different gasoline taxes. Different distances between the nearest refinery. Different blend requirements for the gasoline(California). Different requirements on who's allowed to pump gas...
<|im_start|>user ELI5: Why haven't we made ski boots that don't hurt yet?<|im_end|> <|im_start|>assistant Normal shoes will adapt to your feet after a while. Ski boots shouldn't adapt, they should brace your foot. You can get the inner shoe shaped to fit your foot. it costs like $300-500. But a far cheaper thing tha...