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<|im_start|>user ELI5: Why does time use the number 60? Why are there sixty seconds in a minute and sixty minutes in an hour?<|im_end|> <|im_start|>assistant 60 is easy to divide cleanly in multiple ways, and a number based on 60, such as the number of degrees in a circle, can be divided yet more ways. 60 can be divid...
<|im_start|>user Applying for bachelor's degree in Philosophy as I want to work towards a doctorate. Any tips? I'll elaborate on the title here. I'm 17 and am at the stage of applying to universities to see if I'll be given an unconditional/conditional place in my chosen universities. Anyway, I'd like to work my way ...
<|im_start|>user [Justice League Dark] What did Constantine mean by “your souls in the clear”? Minor spoilers ahead. In the DCAMU movie “Justice League Dark”, a group of heroes including John Constantine and Zatanna get into a fight with wizard and asshole extraordinaire (Constantine’s words, not mine) Felix Faust. Du...
<|im_start|>user ELI5: I live in Utah. This state always votes Republican in every presidential race. Is it a complete waste of time for me to go vote for the next president if I chose a non-republican candidate?<|im_end|> <|im_start|>assistant Election results can affect party policies as well. If there is a swing to ...
<|im_start|>user Do computers make calculation errors? If computers can make billions of calculations per second, is there an expected calculation error rate they make? If so, is there some sort of correction process? If the calculations are really just tiny jolts of electricity going through logic gates, is there ever...
<|im_start|>user ELI5: Where do people get the capital to start big, expensive businesses like cruise lines? I've always wondered this. I can't imagine a bank would be willing to give someone a multimillion dollar loan, so are all the people in these businesses already incredibly wealthy? Where does the money come from...
<|im_start|>user ELI5 - Why do lights make a dink noise when they switch on<|im_end|> <|im_start|>assistant Which type of light? Fluorescent tubes have an internal switch that only strikes the arc a brief time after the power is turned on so as to warm up the gas (Mercury vapour) inside first, that makes a characterist...
<|im_start|>user Recommended book on Existentialism. I have just completed Mary Warnock's book on Existentialism. While it is thought-provoking and appears to be fairly rigorous, I am looking for more in-depth treatments of the subject as whole. Can you recommend some books with overview of existentialism and current a...
<|im_start|>user Why is it so hard for many (most?) african countries to get out of poverty? We see almost everyday commercials for charities that go to african countries (or India) and we do big events where we scrape together hundreds of millions that go to these countries (I live in sweden, I don't know how things w...
<|im_start|>user How do people get caught falsifying data? First, let me be clear, I have ZERO intention of perusing research at all, so this doesn't apply to me specifically. It's just a curiosity. Every so often, I'll hear stories of researchers/grad students that got caught falsifying their data. How in the world...
<|im_start|>user The universe is said to be around 23% dark matter, 72% dark energy and 5% ordinary matter. If we don't know what dark matter and dark energy are, where do the percentages come from? Edit: I just want to clarify, I'm aware of what dark matter and dark energy are. I'm by no means an expert, but I do have...
<|im_start|>user CMV:Claiming that black people cannot be racist bc they never had power is absurd I simply don't understand the argument that black people cannot be racist because apparently the new definition for racism isn't discrimination of another human being based on the uncontrollable trait of their skin color,...
<|im_start|>user ELI5: What is a "right to work" state? i checked the wikipedia page and it just confused me.<|im_end|> <|im_start|>assistant In non right-to-work states, a union at a company or in an industry can be so strong that the require every single employee to be a member as a condition of employment. So a ri...
<|im_start|>user ELI5: Why in suburban areas are all houses exactly the same. Who decided this was the best model for a house, and when did everyone get on board to build their houses all the same.<|im_end|> <|im_start|>assistant Suburban building works like this: 1) Developer buys a big block and subdivides it into lo...
<|im_start|>user ELI5: Why are some criminals given outrageously long sentences (150+ years)? Was reading about [Robert Hansen](http://en.wikipedia.org/wiki/Robert_Hansen) (tldr he killed 17-21 women in alaska) and noticed at the top of the article it mentioned that he was serving *461* years in a correctional center. ...
<|im_start|>user How does radiation make other objects radioactive? And is it always happen regardless of dosage?<|im_end|> <|im_start|>assistant The primary way that ionizing radiation makes things radioactive is by inducing nuclear reactions in the material, and transmuting its nuclei into different, radioactive spec...
<|im_start|>user [WH40K] Has any aspect of the Imperium improved since 30K? Like for instance, the Custodes have been holding back a hellmouth for 10,000 years right? Does that mean they're extra hardcore now? Is there anything the 40K Imperium does better than the 30K iteration?<|im_end|> <|im_start|>assistant Standar...
<|im_start|>user Can somebody explain Cloud technology to me? How does it work? How do I use it? What are the risks? Is there any privacy?<|im_end|> <|im_start|>assistant 'Cloud 'is a marketing buzzword that doesn't mean much other than client-server communications (your computer communicating with another computer tha...
<|im_start|>user CMV: I think the protests in Detroit about the water shutoffs are ridiculous. For those of you unaware, the city of Detroit is shutting off a ton (over 15,000) of residents that are 3 months or 150 dollars behind on their water bills. They have not shut off certain businesses, which owe a ton, but th...
<|im_start|>user CMV: No matter what you eat, you cannot make your body into an "alkaline state". I have a couple friends who consistently try to convince me that disease is impossible in an alkaline environment. They tell me of all the food I should eat which is "alkaline forming" in the body. My moderate education in...
<|im_start|>user ELI5:Why is there a labor shortage when unemployment is low? Where is everyone working at?<|im_end|> <|im_start|>assistant There are several effects that can cause this. First - the number of job slots is not fixed. Imagine there's 100,000 people looking for work, 100,000 jobs, and 98,000 of the poss...
<|im_start|>user ELI5: How did the litre (volume) come to be? In other words if we had to start from the dark ages again, how could one replicate the volume measurement of 1 Litre?<|im_end|> <|im_start|>assistant The metric system is based on the distance from the North Pole to the equator, on a line passing through Pa...
<|im_start|>user Why don't the fusion chain reactions powering the sun get out of control, causing it to supernova? Why do stars "burn steadily" over billions of years without the chain reactions exponentially increasing in magnitude causing a supernova? I understand fusion is a very different process to fission, but n...
<|im_start|>user If humans were to become a multi-planet species, could humans on Planet A and humans on Planet B eventually become two separate species over a vast length of time in two possibly different environments?<|im_end|> <|im_start|>assistant If humans were to become a multi-planet species then one would assum...
<|im_start|>user How do colors work at the atomic level? What makes the difference between red and blue, black and white, purple and yellow? I understand light gets absorbed and some get reflected, and what get's reflect is what color we see. (I think I'm right) But if we take a closer look, what are we seeing, what's ...
<|im_start|>user ELI5: If a glass is clear and water is clear, why can you see water in a glass? I mean, it's not like there are shades of clear. Why can't we see air either?<|im_end|> <|im_start|>assistant You can see water in a glass because the two materials have different refractive indecies. RI is a measure of how...
<|im_start|>user If I kept a plant in a sealed plastic bag, would it suffocate?<|im_end|> <|im_start|>assistant It depends on a lot of variables, such as the type of plant, the size of the bag, how much air, water, and nutrients were inside it, how much light it was getting, etc. If you managed to balance all of those ...
<|im_start|>user What technological advancements would be necessary for humanity to travel into deep space? Hard mode: If immortality is indeed attainable, is it also necessary to explore space? Might I live to see such achievements within my lifetime? (young adult)<|im_end|> <|im_start|>assistant advanced radiation an...
<|im_start|>user ELI5: Japanese business culture. What are its main tenets/unspoken rules? Why is it so different from those of other cultures?<|im_end|> <|im_start|>assistant Most of the Japanese specific stuff relates to business cards and introductions. Business cards are mandatory. You'll exchange one with EVERYON...
<|im_start|>user ELI5: What makes some wines better than others? Why can some bottles be 10 bucks while others over 100?<|im_end|> <|im_start|>assistant Let's say a vineyard makes a wine that's generally considered good (note- it's kinda irrelevant whether it is objectively good or not). This increases demand as people...
<|im_start|>user [DC] The Citizens who yelled is it a bird is it a plane, why were they so excited over these things that they had to shout?<|im_end|> <|im_start|>assistant Being able to identify what was approaching from the sky was pretty important during that time period.  With World War II still fresh in people's m...
<|im_start|>user Why does COVID-19 affect people differently? This may have been asked here before, but I’m trying to understand how a virus can show completely different symptoms in one person versus the next. For example, Donovan Mitchell, a NBA shooting guard for the Utah Jazz, tested positive for COVID-19 a week an...
<|im_start|>user ELI5: Why is it impossible to transplant a bladder? It seems strange to me that a heart can be transplanted and a bladder can't.<|im_end|> <|im_start|>assistant It's not impossible, it's a weighting of the positives and negatives of a procedure. Transplantation is drastic, dangerous, and life altering....
<|im_start|>user Semantic issues with the word "Capital" Recently I have decided to re-read Katharina Pistor's book titled "The Code of Capital", and it lead me to confusion about the word capital. To my knowledge, capital is a stock that when exploited has the potential to turn a profit. Yet in the book, the author cl...
<|im_start|>user How are satellite orientated in space? If down is relative to the ground for us how is positioning treated in space?<|im_end|> <|im_start|>assistant It depends whether the satellite is interested in pointing "down" (GPS, weather satellites) or at another object in space (space telescopes etc.) If it w...
<|im_start|>user CMV: There is no logical reason to celebrate Gender Dysphoria the way society is pressured to I realize that gender topics are common around here; but I have not seen this particular question in searches. I am not saying to write off transgender people as "mentally ill". I am not saying their feelings ...
<|im_start|>user Can space yield? As an engineer I work with material data in a lot of different ways. For some reason I never thought to ask, what does the material data of space or "space-time" look like? For instance if I take a bar of aluminum and I pull on it (applying a tensile load) it will eventually yield if ...
<|im_start|>user How are tunnels maintained? How do are they kept from collapsing over time? If a tunnel cracks then how is it fixed? Do they have to be repaired from above?<|im_end|> <|im_start|>assistant The arch shaped crown of a tunnel matches the shape of the stress pattern induced naturally by a cavity within the...
<|im_start|>user All philosophy is situation? After reading Victor Frankl's "Man's Search For Meaning" it struck me that the philosophy that came out of the book seemed very much as response to his situation, and that is it no surprise that he didn't adopt a philosophy of something like Utilitarianism instead. This got...
<|im_start|>user Why have seawater plumbing systems not been perfected/used yet? Most sailing vessels have a seawater intake that is used to flush their toilet, even wash their dishes. As our current plumbing systems insure that all our toilet water (on land) makes its way back to the sea anyways, why not use seawater ...
<|im_start|>user What kind of success did alchemy have? You always hear about the outlandish failures of alchemy: it failed to turn lead into gold, failed to make people immortal, failed to create the fabled fifth element (æther). But what success did alchemy have? Since so may people believed and practiced it for so m...
<|im_start|>user CMV: Ending SALT deduction of state income taxes is fair As a UMC earner living in a high state tax state, I'm part of the population that will be most harmed by Trump's new tax bill which takes away the ability to deduct state income taxes when calculating federal income tax. However, on every dimens...
<|im_start|>user ELI5: What is the way economics distinguishes between items that people buy to use/keep, and people just buy to sell at a higher price to other sellers? I see both referred to as "commodities", and both have "intrinsic value" (People will pay for them), but they seem clearly different to me.<|im_end|> ...
<|im_start|>user Why does having 0% or negative inflation stagnate the economy? I have heard this before, but I have never seen a study or anything supporting it. Why does this happen, and is it proven or only theorized?<|im_end|> <|im_start|>assistant Very much proven and for that you can look at Japan. If the inflat...
<|im_start|>user ELI5: Mixing vs. Mastering I searched a lot on the internet about this topic and didn't quite catch it. Could you please help?<|im_end|> <|im_start|>assistant I do mixing and mastering Mixing is making the individual sections and instruments of a song sound good together or on their own Mastering is ...
<|im_start|>user AskScience AMA Series: I'm a cancer doc and I'm studying how fecal microbiome transplants (poop!) could boost cancer immunotherapy. Ask Me Anything! Hi Reddit! I'm Dr. Diwakar Davar, a physician-scientist at the UPMC Hillman Cancer Center and the University of Pittsburgh. Despite the success of cance...
<|im_start|>user If color is the non-absorption of specific wavelengths, wouldn't a 'red' laser consist of every color except red?<|im_end|> <|im_start|>assistant The colour of an object is determined by the wavelength(s) of the light that it emits or reflects. If you take an object that doesn't emit visible light on i...
<|im_start|>user CMV: Dictionary definitions should not include the root of the word. I understand that 'tribalized' is the simple past tense and past participle of 'tribalize', and 'tribalize' is to make tribal and 'tribal' is of or relating to tribes (all wiktionary). That hasn't really gotten me anywhere, has it? ...
<|im_start|>user CMV: Not knowing Mandarin Chinese in 2050 will be the same as not knowing English in today's international job market, and I should learn it. I'm a journalism student who wants to work overseas covering stories all over the world. Right now, the richest countries are english-speaking, and so if you wan...
<|im_start|>user [MCU] How does Captain America get knocked back when a grenade hits his shield yet when Iron Man’s lasers and Thor’s hammer hits the shield he easily holds his ground? https://youtu.be/7o8VGH5xV4Y There is the grenade launcher scene. Captain America is sent really far back.<|im_end|> <|im_start|>assis...
<|im_start|>user [WH40K] How do I know an Inquisitor isn't a foul cultist with a stolen rosette? So I'm a small business owner - couple thousand employees stamping out rations for the local Imperial Guard regiment through the Departmento Munitorum. We've had Chaos issues in a neighbouring city, and after it was burned ...
<|im_start|>user ELI5: Why aren't there organisms that live on the sun, eat fire, and drink heat? In other words why does there need to be water for life?<|im_end|> <|im_start|>assistant The only life we know of occurs as chemical reactions - complex molecules interacting through electrical forces - in liquid water. "...
<|im_start|>user [Fallout] What was the actual point of the Vaults? The US at large knew the world was most likely going to go down in a nuclear hellstorm, but, rather than have Vault-Tec build a bunch of safe shelters, so a good chunk could survive the initial bombs, they went with saying that, then using the Apature ...
<|im_start|>user ELI5: How does exercise boost energy levels?<|im_end|> <|im_start|>assistant Regular exercise makes your muscles and your heart stronger. When you're stronger, it takes less effort to finish your regular day-to-day tasks. This makes it seem like you have more energy leftover after doing your regular ta...
<|im_start|>user What causes us to 'auto-breathe', and why do we have to consciously take breaths when we think about it?<|im_end|> <|im_start|>assistant Unconscious breathing is regulated by the brain stem by monitoring the pH of the blood. Too much carbon dioxide, causes a disruption in the equilibrium causing some c...
<|im_start|>user Are electrons running through electrical wires bound to any atoms? Or are they just free-flowing? High school chemistry taught me that electrons exist as part of the "shell" of an atom. Whenever we spoke about electricity in physics class, I always got confused; how can these electrons just be flowing ...
<|im_start|>user ELI5: why is it that so many animals have their brains in their head, rather than anywhere else in their body?<|im_end|> <|im_start|>assistant Simply, the speed of transmitting information from the senses to the brain and back encourages a central nervous system that is focused on the primary sense gat...
<|im_start|>user [Death Note] If you're a human who is immune to heart attacks... Should the death note be ineffective against you? I mean,I'm aware you can make the person die in other ways by detailing it,but if you're immune to the default kill,it seems like you should be immune to the note altogether..<|im_end|> <|...
<|im_start|>user Where does bubble gum flavor come from?<|im_end|> <|im_start|>assistant Flavoring chemicals, likely esters and aldehydes, possibly with actual fruit oils or extracts. Exact recipes are hard to come by, but basically it's a combination of things that smell/taste somewhat fruity, without mimicking any pa...
<|im_start|>user ELI5: Why does memory come in specific sizes? (i.e.8 GB, 16 GB, 32 GB, 64 GB, etc)? Sorry if it's a newb question, I just want to know. And memory is in the ones on SD cards, MicroSD cards, harddrives, etc. Thanks!<|im_end|> <|im_start|>assistant Memory takes more than just the physical space. You a...
<|im_start|>user [General] What exactly does "Selling Your Soul" to a particular deity entale? so I sold me soul to a deity. What does this mean? Do I have to do everything they say? Do I go to their domain when I die? Bonus question: what can one usually get in return from selling their soul?<|im_end|> <|im_start|>ass...
<|im_start|>user Is it legal/valid to assign variables to infinite sums? My dad who studied math involving infinity in college claims that you can't go assigning infinite sums to variables willy nilly, for example saying g = the sum to infinity of 1-1+1-1+1-1... is illegal, as the sum doesn't converge. Have maths chan...
<|im_start|>user Why don't dogs recognize their reflections?<|im_end|> <|im_start|>assistant I would like to point out that humans gain this ability at some point between ages 2 and 5. There is a common test for this ability, place a dot on someone's forehead, then place them in front of the mirror, if they reach for ...
<|im_start|>user How does a wave function change after scattering? I'm trying to understand scattering theory in QM a little better. What I'm trying to ask here—in more detail than the title—is how can the wave function be calculated after a scattering event? More specifically in the context of Compton and/or Thomson ...
<|im_start|>user ELI5: We’re always taught to never pull a sharp object such as a knife out of someone who is stabbed. How exactly do medical professionals pull it out then? Would they have to pull it out the same way anyway?<|im_end|> <|im_start|>assistant It's all about setting and training. An untrained bystander ...
<|im_start|>user ELI5:after losing some blood, the body starts replacing that blood, how does it know that it has already finished replacing that lost blood so it could stop making more?<|im_end|> <|im_start|>assistant Special cells in the kidneys, called peritubular cells, sense that the level of oxygen in the blood h...
<|im_start|>user How is it that we know an electron's mass but not it's size? http://www.reddit.com/r/IAmA/comments/mateq/i_am_neil_degrasse_tyson_ama/c2zg74j Following Neil deGrass Tyson's great AMA, how come we can measure the mass of a particle yet can't measure it's size?<|im_end|> <|im_start|>assistant Imagine tw...
<|im_start|>user ELI5: How can scientists create measuring tools more accurate than the tools we already have? Doesn't the accuracy of new tools depend on the accuracy of the tools used to make it?<|im_end|> <|im_start|>assistant There are methods for creating accurate without already having an accurate thing. Like fi...
<|im_start|>user Eli5: How does a single cell multiply into exact copies of itself yet somehow knows to start building into different body parts? They are all in the same environment with the same DNA yet behave differently.<|im_end|> <|im_start|>assistant Each cell has all the DNA, however based on external signals th...
<|im_start|>user ELI5:Why are all "As Seen on TV" commercials so similar to each other?<|im_end|> <|im_start|>assistant These companies carefully study what works -- even trying different versions of an ad to see what brings in more orders. What you see now is the optimal format -- the one that brings in the most orde...
<|im_start|>user Why are copper and silver so effective against bacteria, fungi, and viruses? /r/science submission [here] (http://www.reddit.com/r/science/comments/1omy0l/researchers_have_discovered_that_copper_and/) [Recent paper in PLOSone] (http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0075017...
<|im_start|>user Is sociological privilege distinguishable from a persecution complex? Social injustices occur, for sure. One of the main arguments I hear about privilege is that the majority simply cannot experience or understand it, and need to take the notions of their privilege on good faith from the underprivilege...
<|im_start|>user Does a photon have to be absorbed in order for it to have been created in the first place? Inspired by this: http://www.reddit.com/r/askscience/comments/of8pf/when_a_photon_leaves_a_star_what_are_the_odds/c3gtsbc I say that a photon can be emitted if it is not absorbed. yel02 disagrees with me. I di...
<|im_start|>user Are there ocean dead zones where there is little or no life activity? If so why do they exist?<|im_end|> <|im_start|>assistant Absolutely. Consider a typical oceanic water column of about 3.5 km. The overwhelming majority of living critters are found within the photic zone, which ends at an average d...
<|im_start|>user CMV: Hiring a Real Estate Buyer's Agent Will Cost you More Than Purchasing a Home Without a Buyer's Agent I hear repeatedly that I should hire a realtor to represent me when purchasing a home. I hear that a buyer's agent will work hard for me and will help me get the best deal possible on my home purch...
<|im_start|>user ELI5: How do allergies develop in kids?<|im_end|> <|im_start|>assistant Basically, the body encounters something it hasn't encountered before. It usually is a foreign protein. The body encounters it and thinks that it is something bad that is trying to harm the person. The body then creates an immune r...
<|im_start|>user Eli5: Why do we study Limits in Calculus?<|im_end|> <|im_start|>assistant Calculus, both integral and differential calculus, is based upon limits. We don't actually reach our answers but we get infinitely close to it. You can't calculate instantaneous rate of change (the value of the derivative) with...
<|im_start|>user Could a cosmic ray set off ammunition or explosives? I've read about how cosmic rays can cause errors in computers. I've also read about how they can damage genetic information. This got me to thinking. Could a cosmic ray set off the primer in a cartridge, resulting in a bullet firing uninten...
<|im_start|>user CMV: Yoga is beneficial for the mind and body. It should be a part of school gym classes. Hear me out—I’ve gotten a lot of people saying that advice from yogis is bunk, and that it’s a lot of “woo-woo.” I got into a discussion on another thread about how yoga releases fixation in the joints and preve...
<|im_start|>user Why can water undergo electrolysis despite being covalently bonded? Ask my chemistry teacher, she had no clue.<|im_end|> <|im_start|>assistant With two hydrogens on one side and one oxygen on the other, water is a polar molecule. This makes it a great solvent and also allows you to divert a running tap...
<|im_start|>user The element Oganesson has the highest proton count of any element , what is stopping us from artificially adding a proton to it to see what new element we have created? I know that adding new protons to an element has been done before but that it is very expensive and usually produces a radioactive ele...
<|im_start|>user Are modern encryption techniques (like 256-bit SSL encryption) more complicated than ciphers used in WWII (e.g. Enigma)? By how much? I understand the *basics* behind encryption of messages, and thanks to a recent analogy posted (I think) on reddit, also understand the basics behind how one-way hashes ...
<|im_start|>user Given that many universities are facing financial hardship what should we expect the higher-ed landscape to look like in the future? Hampshire College is now considering a merger to stay afloat. Are partnerships going to become a common practice?<|im_end|> <|im_start|>assistant We should expect thing...
<|im_start|>user ELI5: Could some Canadian companies actually benefit from a drop in the value of the Canadian dollar? I was shopping around for computer parts, and it looks like it could actually be cheaper for me to buy from NCIX (Canadian company) rather than a US based company. If the Canadian dollar dropped low e...
<|im_start|>user [Bioshock] What were the requirements for living in Rapture? We're people banished? And could outsiders possibly move there?<|im_end|> <|im_start|>assistant You needed an invitation, which required you to be one of the best in your chosen line of work. No, people weren't banished. They were locked up ...
<|im_start|>user Why is nature comprehensible to us? I went from a physics program straight to a philosophy graduate program and so likely missed out on the relevant literature, but I can't seem to find it on the SEP. So as to make my question more precise, it was motivated by the following two sentiments: &gt; It is...
<|im_start|>user ELI5: If my headphones have only 4 connections, how can it play stereo sound, have a microphone and three buttons (vol. up/down and pause)? This is the one: http://www.amazon.com/Samsung-3-5mm-Stereo-Headset-Galaxy/dp/B00F9G20LM/<|im_end|> <|im_start|>assistant By multiplexing- this simple multiplexing...
<|im_start|>user How does the body react to food after prolonged food deprivation. Will eating even a normal portion of food cause stomach aches or other adverse reactions?<|im_end|> <|im_start|>assistant Food stimulates the pancreas to produce a hormone called insulin. This hormone has various functions, including lip...
<|im_start|>user If 128 people pick a number between 1 and 64, what's the probability each number gets picked at least once?<|im_end|> <|im_start|>assistant The # of ways to pick should be equal to the # of onto functions from the set of people to the set of integers 1 to 64. This requires applying inclusion-exclusion....
<|im_start|>user ELI5: Definition of a parsec for an amateur astronomer<|im_end|> <|im_start|>assistant 3.26 light-years or the distance of an object where the orbit of the Earth around the sun creates a visual **P**arallax of one **ar**c**sec**ond Parallax is the difference in apparent position of an object viewed fr...
<|im_start|>user Why can humans cross their eyes but not do the opposite? Make them look outward.<|im_end|> <|im_start|>assistant You can cross your eyes because that's the action required to look at an object which is very close to you. You can see this by focusing on your finger and moving it towards your face; you'l...
<|im_start|>user ELI5: What does the "ion" button on fans do? I mean, I was told that it ionizes the air (whatever that means?), but does it actually have any benefits of turning it on?<|im_end|> <|im_start|>assistant The benefit is that ions help to remove dust from the air. The air purifier releases negatively-charg...
<|im_start|>user CMV: The universe is completely deterministic and thus we have no free will. I can see that all atoms behave according to physical laws. Given any small system and enough information about said system, for example a box with 10 atoms in it with every atom's position, velocity, and acceleration at t = 0...
<|im_start|>user ELI5: Why don't sharks last long in captivity?<|im_end|> <|im_start|>assistant Sharks aren't the most robust fish species, and size, diet and activity effect the health of all fish species. Sand tiger sharks and species of cat shark are often kept in aquariums because of their size. Another contributin...
<|im_start|>user How big has a object to be, that it would cast a shadow on the moon, visual from earth?<|im_end|> <|im_start|>assistant Humans can discern objects that are about one arcminute (one sixtieth of a degree) in apparent size. The moon's apparent size is about 30 arcminutes, and actual size just under 3500 ...
<|im_start|>user New Postdoc supervisor says I can do whatever I want and I'm lost Hello, I know this sounds strange, in theory, anyone would like to be in this position but I just finished my PhD, applied for this role based on the description given thinking it would be similar to my PhD, having a good idea where it's...
<|im_start|>user ELI5: What is collective bargaining and why do people hate Scott Walker?<|im_end|> <|im_start|>assistant Collective bargaining is where legally a group of workers can join together to negotiate or renegotiate their employment with their employer. Normally you don't have a lot of pressure to make your ...
<|im_start|>user ELI5: why are the rhyming words in poem stanzas give a sense of satisfaction when read?<|im_end|> <|im_start|>assistant The human brain likes solving things, and rewards it's self for doing a good job. The brain is also particularly optimized to spot patterns so that the unfamiliar can be spotted and ...
<|im_start|>user CMV: Males wearing suits to look more professional (including ties, handkerchiefs and other accessories) is largely based on historical social constructs that will be deprecated in a few decades, as there's no real usefulness. From a usefulness perspective clothes serve the purpose of warmness and prot...
<|im_start|>user ELI5: Blood types<|im_end|> <|im_start|>assistant Imagine there are different colours of blood. You have yellow blood, blue blood, green blood, and clear blood. It's okay to give a person with blue blood some blood from another person with blue blood, because the colours won't get mixed up. However,...