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<|im_start|>user By guessing the rate of the Expansion of the universe, do we know how big the unobservable universe is? So we are closer in size to the observable universe than the plank lentgh, but what about the unobservable universe.<|im_end|> <|im_start|>assistant We measure the size of the unobservable universe b...
<|im_start|>user Research not moving forward I just realized that I have not produced anything tangible in last six months inspite being busy all the time. Everyday goes into trivial things like making the error prone supercomputer work, moving huge files ,making ppts etc. It sucks how time passes by and I just cant ge...
<|im_start|>user ELI5: How does store bought chocolate milk stay mixed so well and not separate into a layer of chocolate like homemade sometimes does?<|im_end|> <|im_start|>assistant Emulsifiers. Look at the ingredients: other than milk products, sweeteners and cocoa butter the other ingredients in a store brought cho...
<|im_start|>user ELI5: Why do showers/baths refresh and energize? A very large portion of animals feel refreshed and energized after being clean. Humans feel more relaxed and comforted. Is this due to chemicals in our brain, or something else?<|im_end|> <|im_start|>assistant We are imprinted from birth (and from shar...
<|im_start|>user Dogs and humans have been evolving alongside each other for 15,000 years. What other examples of coevolution have species benefited from most? It’s been suggested that humans lack an adept sense of smell because they could rely on dogs’ sense of smell, and that this enabled more rapid evolution of our ...
<|im_start|>user Applying to jobs before end of PhD, "what is your highest level of education?" Well, it WILL BE PhD And that's the only thing that matters, but then there are these disclaimers at the end of these online forms saying that if I perjure myself I am liable to being banned from the company and if it's a go...
<|im_start|>user Why do lung transplant patients have a poorer long-term outlook than other organ recipients? Do we know what causes this?<|im_end|> <|im_start|>assistant Healthcare professional here. This is multifactorial. The most common reason is patients with a LIFELONG history of smoking which results in COPD. T...
<|im_start|>user ELI5: how do computer parts work? I am relatively into gaming, have my own custom PC, and have been around digital tech since I was a child. I can relatively easily operate a range of systems, and have little trouble working new systems out. What I can't for the life of me understand is how different p...
<|im_start|>user When you close your eyes and press on them with your fingers, why do you see weird patterns/designs? I close my eyes and press on them with my fingers, after about 3 seconds I start to see weird moving patterns, like an optical illusion. Like http://img.gawkerassets.com/img/18dn0kik4y440jpg/ku-xlarge.j...
<|im_start|>user [Psychology] Can adults lose/never obtain object permanence?<|im_end|> <|im_start|>assistant Losing understanding of object permanence requires trauma or illness that is severe enough to cause large scale damage. Inability to understand(learn) object permanence is possible, but once again its back to ...
<|im_start|>user ELI5: Why are the 'Made In China' stickers and imprints necessary? They can't be for crediting someone, because you can't give credit to a whole country. So why are they there?<|im_end|> <|im_start|>assistant U.S. law requires the country of origin of a product to be clearly displayed on the product, o...
<|im_start|>user [Star Wars] What happened to force sensitive storm troopers? If a storm trooper trained from a young age began showing signs of being force sensitive what would the empire or first order do with them?<|im_end|> <|im_start|>assistant With the Empire, there are standing orders to look out for potential f...
<|im_start|>user [Star Trek] How do people know when a word won't be translated by a universal translator? Often people will say something like "your *pagh*, or soul", wherein they immediately follow an untranslated word with its (often fairly simple) Federation Standard equivalent. Why doesn't that come through as "yo...
<|im_start|>user ELI5:Why does defrosted ice taste different (and worse) than water?<|im_end|> <|im_start|>assistant If your question is specific to ice cubes in the freezer, rather than lab conditions: The ice in your freezer absorbs various smells over time....smells from the food, smells from the kitchen, smells fr...
<|im_start|>user "Dwell with yourself, and you will know how short your household stuff is." Came across this in the beginning of Kant's *Critique of Pure Reason* and I'm totally at a loss for the meaning of the statement, let alone it's implications in the context of the preface. Original Latin: Tecum habita, et nori...
<|im_start|>user ELI5: How are new data points created in a video such that a video filmed in 30 fps can be viewed at 60 fps? How does interpolation work?<|im_end|> <|im_start|>assistant Interpolation is a process where a display unit (TV/Monitor) takes two frames and puts them together (similar to an "average") to gen...
<|im_start|>user CMV: I'm a woman but don't think women have structural barriers to success. First of all, I realize this is not *that* unpopular of an opinion, except that I'm a 1) college student in a very liberal area and 2) a Democrat and have been for life, so this view doesn't align with many of my peers. I als...
<|im_start|>user ELI5: The difference between 1080i and 1080p While you're at it, whats the difference between 1080, 720, 480, etc.?<|im_end|> <|im_start|>assistant They're names for different screen resolutions, with the number indicating the number of horizontal scan lines, i.e. 1920 x 1080, 1280 x 720, 640 x 480, et...
<|im_start|>user [Neon Genesis Evangelion] Why do the angels attack one by one? Are they just not sentient enough to understand what cooperation is? Although one of them seems to understand psychological warfare. And are they waiting somewhere until it's their turn to wreak havoc? Or do they come in existence shortly b...
<|im_start|>user ELI5: how does cancer actually kill people?<|im_end|> <|im_start|>assistant The cancerous cells require massive amounts of nutrients and energy to continue reproducing and building blood vessels to the newly formed cancer cells. The depletion of energy and nutrition from the rest of the body causes str...
<|im_start|>user ELI5: If your body sweats in order to keep cool, what causes it to sweat when you're cold?<|im_end|> <|im_start|>assistant The ELI5 for this is that you sweat for a number of reasons, and the mechanisms that control sweating aren’t only linked to temperature regulation. Certain chemicals or nerve impul...
<|im_start|>user ELI5: Existentialism Every time I attempt to learn more about this, I become more confused.<|im_end|> <|im_start|>assistant Basically it is the idea that the meaning of life is something every individual needs to discover for themselves, rather than the idea that there is a higher power dictating a mea...
<|im_start|>user ELI5: Why can't California seed clouds to cause rain to fall similar to what China did before their Olympic games?<|im_end|> <|im_start|>assistant Wat do you mean? Create clouds to produce rain and prevent drought? Because that's not what they did in China, there they only caused existing clouds to dro...
<|im_start|>user I feel like I have an obligation to society I don't actually agree with this thought, but doing what I want and not caring about being productive to society nonetheless creates a sense of guilt. And I'm not able to justify myself. Hopefully you guys can explain why I shouldn't feel bad?<|im_end|> <|im_...
<|im_start|>user How can a feather keep it's color for so long, when other parts of many biological things tend to fade after they are no longer alive or part of said thing?<|im_end|> <|im_start|>assistant Many feathers' colors come from their structure, rather than the more common route of molecules like melanin. The...
<|im_start|>user Does Airbnb systematically displace poor people? I’ve read the [McGill](https://upgo.lab.mcgill.ca/publication/short-term-cities/short-term-cities.pdf) study, which argues that the rise of housing used for Airbnb primarily displaces new rentals, thus restricting supply and increasing prices. My questio...
<|im_start|>user I don't believe the patriarchy exists, CMV. I'll preface that i'm referring to first world countries, especially the US and UK. I believe that the patriarchy theory is fundamentally flawed on the conceptual level. People who subscribe to the patriarchy theory believe that patriarchy is a system of ge...
<|im_start|>user eli5: Where do queen bees come from? Does one of the current queen’s eggs have a new queen in it?<|im_end|> <|im_start|>assistant Every egg can become a queen (in most bee species). When a hive needs a new queen, a larvae is selected (sometimes more than one and they'll slug it out later) and fed noth...
<|im_start|>user Can you become immune to strains of bacteria? I was under the assumption that you only become immune to viruses, but not bacteria. Is that true, and if so why?<|im_end|> <|im_start|>assistant You can definitely become immune to strains of bacteria. Immunity is subdivided into two categories: innate an...
<|im_start|>user CMV: Ideology should no longer be important. Any new laws or changes in policy of any kind should be evidence based. My CMV comes out of climate change concern, however I think it can be applied across many areas. There is, in my eyes, absolutely no justification in continue to let ideology dictate th...
<|im_start|>user ELI5: How is mass different from weight? Somebody said they are different because of gravity.<|im_end|> <|im_start|>assistant Weight is dependent on gravitational force. It's a measure of that gravitational force, usually on Earth. Mass, which measures the amount of matter in an object, exists whether ...
<|im_start|>user ELI5: Why do space telescopes use mirrors to get their images?<|im_end|> <|im_start|>assistant Large lenses exhibit a phenomena known as chromatic aberration, where the color of light is not equally refracted. This gives pictures an undesirable rainbow-y look. Mirrors do not exhibit this so they are ...
<|im_start|>user I have lost the ability to write known algorithms because of work, after 4 years. I don't think I could write the Kruskal's minimum spanning tree algorithm under 15 minutes and plenty of others. I have been doing so much business logic at work, so that all the algorithms that I have learned at universi...
<|im_start|>user Why, on a bad connection, do websites occasionally load without CSS? Sometimes when my connection is bad websites will load without CSS on the first try, and then when refreshed fail to load at all. This has also been the case at school, where loading a page that should be blocked occasionally work the...
<|im_start|>user ELI5: Is there a particular reason why most prison doors' bars are vertical? I would assume horizontal bars would make it stronger because they will have to be shorter (assuming normal door proportions) EDIT: I mean cell doors EDIT 2: Ok so its a combo of reasons like making it harder to punch thru t...
<|im_start|>user ELI5: If places like Baghdad and Cairo can reach 40-50 C in the summer, how did they become the center of civilization in ancient and medieval times when there was no air conditioning?<|im_end|> <|im_start|>assistant Ancient peoples knew how to put up shade and keep things cool in very hot climates, an...
<|im_start|>user Is it inconsistent to apply both utilitarian and deontological frameworks when thinking about ethics, depending on the situation? Example : A person who believes that killing any innocent person is immoral is inconsistent if they also believe that having some collateral damage during a bombardment is j...
<|im_start|>user How does the area of a black hole's event horizon change with respect to its mass increase? I understand that the mass of a black hole increases by the same amount of the in-falling mass. Is the (spherical?) surface of the event horizon simply related to the BH's mass as it is to its "volume?" In oth...
<|im_start|>user What is the difference between a Sea and an Ocean?<|im_end|> <|im_start|>assistant To a large extent it's just a matter of what we call them, but the major ocean basins overlie a different type of crust than most inland and nearshore seas. Oceanic crust is basaltic, formed at mid-ocean ridges, and dens...
<|im_start|>user Why does lime juice severely burn the skin when exposed to sunlight?<|im_end|> <|im_start|>assistant A range of plants which include the citrus family contain active compounds called furocoumarins in their juice. When this compound reacts with uv-a light on skin surface, energy is released through a ch...
<|im_start|>user How can an almond help with digestion but also be indigestible? Apparently it's called "roughage". It is "fibrous indigestible material in vegetable foods which aids the passage of food and waste products through the gut" which for example can be an almond. How come there are so many whole grains, nuts...
<|im_start|>user ELI5: How does raising millions of dollars during a political campaign directly correlate to that candidate getting elected?<|im_end|> <|im_start|>assistant The more money you raise, the more money you can invest in putting (high quality) political ads on TV, the more you can invest in other media appe...
<|im_start|>user Do diffused and focused mode of thinking actually exist? I read this in a book called mind for numbers and is this an actual thing with credible research behind it or not If so how can I rapidly change between them<|im_end|> <|im_start|>assistant Yes, they are. And you don’t want to rapidly change bet...
<|im_start|>user ELI5: Why do public toilet seats have an opening at the front, but home toilet seats are completely round?<|im_end|> <|im_start|>assistant International Plumbing Code and Uniform Plumbing Code in the US dictate that open front seats must be used for facilities that are made for Accessible Design. The ...
<|im_start|>user ELI5: How are magnets in the road used to regulate traffic lights? I was at a traffic light and I could help but notice that there were a bunch of metal lines in the road. I 'm assuming that the lines are magnets or something that helps the traffic lights to know when to switch. I was just wanting more...
<|im_start|>user ELI5: What happens when a modern website "breaks" and it suddenly looks like 1990s basic HTML? Amazon was doing this to me earlier. Instead of the modern, graphics-heavy site, it was stuck on an crappy version with long lists of blue links instead of images. It finally corrected itself.<|im_end|> <|im_...
<|im_start|>user ELI5:why do people look down on trades even though they can make a living? at my former high school, one of the councillors liked to remind us that going into trades, such as plumbing and carpentry, is a good option for careers. Attend the local institute of technology and you'll be guaranteed a job, h...
<|im_start|>user What does Heidegger mean with Destruktion, is that the same as Derrida's deconstruction?<|im_end|> <|im_start|>assistant Heideggerian destruktion is a hermeneutic practice specifically employed to demarcate conceptualizations of "what being is" across historical paths. Heidegger's central question and ...
<|im_start|>user [Dune] Why aren't there any male Bene Gesserit? And if for some reason Paul passed the gom jabbar (box and needle) test but wasn't the Kwisatz Haderach, what would the Bene Gesserit (BG) have done with a male that had precognition and had been taught bodily control and the Voice and was scheduled to in...
<|im_start|>user ELI5: Why the senate voted against background checks for gun owners and what exactly that bill proposed.<|im_end|> <|im_start|>assistant You already need to pass a background check to buy a gun from a Federal Firearms Licensee (a gun store). Depending on state laws, one individual selling a gun to ano...
<|im_start|>user [The Matrix] At what point does the Matrix break down upon closer inspection? Could you deduce you were living in a false reality by doing deep astronomical observations? Or experiments on elementary particles? Does every sample of soil have billions of organisms to examine? Is the earth's magnetic ...
<|im_start|>user Is Batman a terrorist? His whole deal is that he inspires terror in criminals, right?<|im_end|> <|im_start|>assistant Terrorism by definition would mean acts designed to cause terror, but usually directed at a civilian populace. Now, seeing how Gothams civilian populace have a decent chance to become c...
<|im_start|>user Having a bit of a problem with feminist epistemology (not what you think) Recently I picked up "Feminist Epistemology" aggregated by by Alcoff and Potter. It's an interesting discussion and I'm always willing to look at something that questions my worldview. I'm kind of lost on what article within it t...
<|im_start|>user Why is vision grainy at night or in dark areas? At night time why does human vision appear grainy?<|im_end|> <|im_start|>assistant Because your central vision (where you have color perception) is high resolution (higher density of light-sensing cells) but low-sensitivity (requires more light to detect)...
<|im_start|>user ELI5:How did people used to wake up early before alarm clocks?<|im_end|> <|im_start|>assistant 1) **Drinking water** - It used to be a common plan that when someone needed to wake up before sunrise they would just drink a great deal of water. Full bladder would mean you'd wake up having to urinate. H...
<|im_start|>user What would you characterize as must-read papers for economics students? I will be starting my masters degree in economics and am looking to further my knowledge of economics as well as delve into how papers are written and research is done. Since I will be writing essays, papers and such I'd like to le...
<|im_start|>user Best way to make a quick, simple GUI app? Just went to make a simple utility desktop app an decided I want a GUI for it. But I've never really done this before (mostly done web and mobile), so what are your favorite tools to make a simple desktop GUI quickly? **What I need to be able to do:** Show Te...
<|im_start|>user Why does orbital radius increase with increased velocity? So apparently our teacher said that if a spaceship increases its velocity for a short amount of time its orbital radius increases, and as a result it takes longer for the spaceship to finish a circle. But according to V^2 = GM/R if the velocity...
<|im_start|>user ELI5: The differences between karate, judo, kung fu, ninjitsu, jiu jitsu, tae kwan do, and aikido?<|im_end|> <|im_start|>assistant All of them have different origins and all have different focuses. Karate is about strikes with hands, feet, elbows and knees (as well as some grapples). Judo is mostly a...
<|im_start|>user [Legend of Zelda] What did the pieces of the triforce actually do? I know they make you wise/courageous/powerful but is that all they do? All three wielder seem to abilities besides that.<|im_end|> <|im_start|>assistant The triforce of courage is believed to grant some degree of protection against dark...
<|im_start|>user I believe individuals are smart, but organizations and groups of people generally only cause problems. CMV **edit**: I think, thus far, my opinion has altered a bit but not totally. I still think innovation and new, fresh ideas comes from individuals. But organizations and groups (while I still feel ...
<|im_start|>user why are images seen through night vision devices, tinted green?<|im_end|> <|im_start|>assistant Image intensifiers work by having the incoming infrared light strike a photocathode, which releases electrons when it is struck. These electrons are accelerated via a high voltage field, causing them to trav...
<|im_start|>user [Time Travel] How to prove I'm from the future I've been sent back in time (Terminator-style) to America during the creation of the U.S. Constitution to explain to the founding fathers all the gray areas that have arisen in the past 200 years. How do I convince them that I'm from the future? Added ...
<|im_start|>user [General Sci-fi]What is the science behind "scanning for lifesigns"? Besides heat and movement, what other lifesigns could be noticed from outer space or in a vacuum?<|im_end|> <|im_start|>assistant Usually the kind of lifeforms that humans deal with have a dependancy on a type of carrier that regenera...
<|im_start|>user ELI5: If looking through a periscope, would a short-sighted person be able to see less far than a normal person?<|im_end|> <|im_start|>assistant In a simple, mirrors-only periscope a near-sighted person would need their glasses otherwise everything would appear blurry. However, more modern periscopes ...
<|im_start|>user ELI5: Why are the gas prices dropping so rapidly after being to high for so long?<|im_end|> <|im_start|>assistant - The cost of producing oil mostly depends on its accessibility. - OPEC is a group of oil producing countries who make up 45% of the world supply. - OPEC countries like Saudi Arabia have ...
<|im_start|>user Why does the Human body reject transplanted organs /tissue and proceed to destroy them but it doesn't kill parasites like worms ?<|im_end|> <|im_start|>assistant Every defense mechanism has false positives (for example, when you body attacks itself, like in an auto-immune disorder) and false negatives ...
<|im_start|>user CMV: I believe that most (NOT ALL) stop signs could, (and to some extent, should) be replaced by yield signs **1: Stop signs could be replaced by yield signs** Stop signs instruct drivers to stop at an intersection no matter what. Yield signs instruct drivers that they need not stop, but that they mu...
<|im_start|>user ELI5: If radio waves and visible light are just different wavelengths of light, why do we use antennas for radios and photo sensors for light?Why can’t we just use antennas for everything?<|im_end|> <|im_start|>assistant You can use antennae for visible light, they just have to be tiny due to the short...
<|im_start|>user ELI5: Competitive eating. How can people eat so much in one sitting? What happens to their stomachs and bodies after eating so much? And why does it seem that so many competitive eaters are very skinny?<|im_end|> <|im_start|>assistant They are able to eat so much because they prepare. They stretch thei...
<|im_start|>user CMV: People who die because they can't afford food or housing are direct victims of capitalism Neo-McCarthyites like to use "MiLlIoNs Of PeOpLe DiEd BeCaUsE oF cOmMuNiSm" as a carte blanche dismissal of any and all left-of-centre ideas. It is only fair to point out that deaths due to lack of means are ...
<|im_start|>user I believe that high school is a terribly designed system that works against peoples learning and doesn't let people get to their full potential. CMV * you aren't streamed from the start. Most people are in classes that either move too fast for them and they can't get good grades, or too slow and they l...
<|im_start|>user CMV: All vegetarians will either eventually become vegans or they are lying about how much they truly care for animals' welfare. Preface 1: I'm a vegetarian in the UK. I have been since I was 10. My family eat meat. My girlfriend is a vegan. I care deeply about animal welfare, it is one of the most imp...
<|im_start|>user Would it be possible for humans to see new colors? I read an article the other day on The Oatmeal, about mantis shrimp, and it got me curious. Mantis shrimp have sixteen types of color receptors, as opposed to our measly three, which allows them to see colors we are literally unable to imagine. I was w...
<|im_start|>user Is Mathematics invented or discovered?<|im_end|> <|im_start|>assistant Math and nature stand apart. There are obvious connections as we use math to describe nature, but the catch is that all mathematics is based on a foundation of assumptions called axioms. What you cannot say for certain is that any...
<|im_start|>user CMV: Religions answering man's questions only slow down the progress towards the actual answers(or solutions) I've been an atheist for 3 years, and recently I'm starting to become anti-theist(which means that I don't hate religious people, but I think that religion is hurtful for humanity). The questi...
<|im_start|>user ELI5: Why do emotions feel like they're coming from the heart/chest area, instead of the brain?<|im_end|> <|im_start|>assistant Strong emotions generally are accompanied by an increase in heart rate, blood pressure, and breathing rate, which are felt most strongly in the chest. But that's just the Eur...
<|im_start|>user Why does sunlight cause the colors of objects to fade over time? I've always accepted the simple explanation that the sun's radiation damages paint, but the more I think about it, the more I realize that I don't know what's actually going on there. Can anyone help me out?<|im_end|> <|im_start|>assistan...
<|im_start|>user ELI5: What actually happens when soap meets bacteria?<|im_end|> <|im_start|>assistant As others have mentioned, bacteria has lipids (basically oil) on the outer layer of their cells, your hands also have oils, and bacteria can deposit on your hands with ease... The main issue is the fact that oil and ...
<|im_start|>user ELI5: Why are animals with slightly different genetic traits considered separate species but humans with slightly different genetic traits are not? Definitely not implying that any group of people are more human than any other.<|im_end|> <|im_start|>assistant The general test is do they normally interb...
<|im_start|>user LUNCH with a Professor? I have a question and need some guidance. I have been invited before by my mentor to go out and have beer with her and other students—no problem there. But, today I was talking to a program director, and I found out some professor from the US was coming to visit and guest lec...
<|im_start|>user ELI5: How are betting odds calculated? Is it genuine insider knowledge from the betting companies, a fancy algorithm or something else?<|im_end|> <|im_start|>assistant 1: From historical trends and past performance, take the population of contenders and figure out the likeliest performance of each agai...
<|im_start|>user ELI5: Why do bugs all have more than four legs, while basically every other terrestrial animal has four or less?<|im_end|> <|im_start|>assistant Insects' evolutionary journey favored 6 legs. Ants can carry items with the front legs and still have 4 legs for balance and weight distribution. A beetle wit...
<|im_start|>user CMV: Prosecutors/law enforcement involved in miscarriages of justice should be imprisoned My idea is simple: if prosecutors/law enforcement officers knowingly help convict an innocent person of a crime, these same prosecutors/law enforcement officers should serve the prison sentence intended for that c...
<|im_start|>user [MCU] It's been 8 years since the Invasion of New York. Why doesn't the Earth have a proper early warning and interception Space Force in case of future invasions? It's clear that we have the technology to set one up, why hasn't that been a priority? Even a few satellites in orbit around Pluto or furth...
<|im_start|>user Does people quitting jobs not add to unemployment rates? I've just seen on the news that Biden is touting a low of 3.9% unemployment. This seems odd to me considering we are going through a great resignation, while there are not many new job openings. Does people intentionally choosing to quit and resi...
<|im_start|>user Are there reasons/guidelines to how pills have to be shaped? Do pills made of the same stuff have to have a different form if they're being sold by a different company? Do certain pills have to have an easily recognizable form that's the same internationally?<|im_end|> <|im_start|>assistant Different c...
<|im_start|>user ELI5: When Europeans came to Africa and The Americas, how did they communicate with the locals? Considering that no one knows the other's language.<|im_end|> <|im_start|>assistant "Immersion" is a great way to learn a language fast. Move to another country, and refuse to speak in anything but the local...
<|im_start|>user [Star Trek] Why are the Borg so bad at multi-tasking? This is something I always wondered. I would think that the strength of the Borg Collective is that you have the processing power of millions of minds working on multiple tasks all being directed from a single source. But every time we see the Borg,...
<|im_start|>user why "Steam" is the driving force of most of the power plants for more than 150 years? Does no other fluid has capability to replace it?<|im_end|> <|im_start|>assistant Don't underestimate the benefit of it being cheap, clean, readily available and well understood. Another fluid would have to have signi...
<|im_start|>user [Dr. Seuss] Are Whos anthropomorphic bacteria? I ask because they live on a speck of dust/snowflake.<|im_end|> <|im_start|>assistant The Who are the Who, it's plain to see. Their characteristics are import to notice, that's the key. A Who has arms and legs and a head full of dreams. Bacteria has no...
<|im_start|>user CMV: I think we should replace marriage with life partnership, and make marriage nothing but an inofficial tradition/ritual without any power.<|im_end|> <|im_start|>assistant Marriage is already the secular institution. Religions have their own words for the religious rite one example would be holy mat...
<|im_start|>user I believe that prices in stores should included the tax already. CMV. It makes complete sense to me that listed prices should be the price you actually pay. I know that companies love to have prices that end in 99 cents, but they could just calculate that in when pricing. This isn't a huge deal, but th...
<|im_start|>user Are aerodynamics important for space travel?<|im_end|> <|im_start|>assistant Absolutely. There are several ways in which it is important: 1) When launching into space, rocket designers must be careful about dynamic pressure. Usually launchers have a fairing to protect the satellite, which is dropped r...
<|im_start|>user ELI5: Why does Facebook change their look so much, and why are they forcing people to switch to timeline, AND when they make these changes why does it sometimes make your privacy settings go back to the default ones? I mean, I know these changes are things you get used to...but I HATE timeline. I'd lik...
<|im_start|>user [Marvel] How powerful is magic? And what can i do with it? So last night on the news i heard about some dude named Juggernaut who, through magic, could seemingly never be stopped once he gained sufficient speed. And my cousin Vinny got a tip from some huge dude in space that Doctor Strange is "more pow...
<|im_start|>user Why do people become more awake after a certain point in the night? I've talked it over with a few people, and everyone's agreed that there's a certain time of night (it varies between people) after which people aren't really tired and become more awake and aware again. After that point, it's much hard...
<|im_start|>user Why is the verb for 'to be' so irregular in so many languages? This is true of every language that I have more than a fleeting knowledge of: English, Hebrew, Greek, Spanish, and German. Some of these languages (German and English) are very similar, but some (Hebrew and Spanish) are very different. Yet ...
<|im_start|>user How are we able to measure the temperature of inaccessible objects such as the surface and core of the sun or the earth's core?<|im_end|> <|im_start|>assistant For the surface of the Sun: Measure the radiation spectrum. It depends on the temperature in a quite simple way. For the core of Earth or Sun y...
<|im_start|>user Why does the physical size of computer parts in desktops stay roughly the same? So I've been building my own pc's since around the late 90s. Since then we've had single cores, dual cores, quad cores, 6 cores and now 8 cores each with varying transistor densities. Why has the actual physical size (the p...