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when cannabis was still illegal in the US, how did high profile smokers e.g. Snoop Dogg, Seth Rogen etc. Not get charged for possesion? | Uh I thought cannabis was still illegal in the U.S.Maybe not all parts of it, but you know ', "Just not worth it. People like that have money and if you bust them for something like weed, they'll lawyer up and get out of almost all the trouble. They'll become martyrs for the legalization cause and bring bad PR on law e... |
How do you tell the difference between a real and fake diamond with the naked eye? | Find some glass you don't care about and drag the diamond across its surface, a real diamond will score the glass whereas a fake diamond will just glide along.Once read that you can test it by drawing a dot with a pen on a piece of paper, and then place the flat side of the "diamond" on the dot. If the dot is still vis... |
What is an example of a second world country? | The meaning of "first" and "third world country" has changed from the cold war meaning to "rich" and "poor country". "Second world country" is not really used in the new context, instead in between countries are called things like emerging market and threshold country. |
Why are the censorship guidelines for song lyrics and music video content so different from censorship for something like film? | I think it's because of the replays. You go in to watch a movie and see it once. On your way to work/school/whatever, you could hear these songs 4 or 5 times, everyday. The repetition..Edit: words |
How do people develop a phobia? | I just came here to point out that trypophobia isn't a real phobia. It's a survival thing. It stems from your body not wanting to enter a small space because if anything at all shifts you will be stuck in that space and die. I really hate how popular that phrase has become because it's as normal as a fear of the dark o... |
How does hair grow AFTER shaving? | Shaving only removes the hair that's exposed. It does not remove the hair root. Your leg hair will grow back after shaving When it does grow back, the tip of the hair will be flat. That's what causes the prickling. Plucked hairs grow back more naturally feel |
Why Wikipedia is a good resource, or bad resource, for information. | Wikipedia is absolutely enormous, and has a huge amount of information on just about any subject, from Franco-Prussian relations regarding mules to a list of all sasquatch sightings. If even 1/100 facts are wrong, then every article will get a detail wrong, even with no malicious users. It gets problematic with any con... |
If I bought a brand new muffler for a car, put it to my mouth and screamed, would it make any noise? Why/why not? | Mufflers are tuned in such a way to cancel out a specific type of noise. A 9 year old screaming would probably not be "muffled" to the extent that an engine is. [Read more here]. |
why does some poop sink and others floats? | Just for a quick answer a poop that floats is caused by having a larger amount of fat in it.My son asked me the same question the other day and asked me why his poop was black. To answer your question though, the biggest thing is the amount of gas or air that's in your stool. The [Poop Report] explains it in more detai... |
If someone were farsighted in one eye and nearsighted in the other, wouldn't they just balance out? | You aren't viewing the farsighted lens' vision through the nearsighted lens, to correct the farsightedness, or vice versa. You've got a farsighted image, and a near-sighted image. Two out of focus images. |
Why do all in-flight map screens seem to utilise the same laggy style and design in this day and age of Google Earth? | The computers on planes are years old because of the extensive and time-consuming safety testing they have to undergo, plus the delay in getting them installed . |
how are we able to manufacture computer processors with such high precision? Wouldn't just a few defective transistors out of the billions on the chip cause it to malfunction? | Actually, a lot of the transistors produced ARE defective. Sometimes yields are quite low usually below 50%! The "secret" to producing chips that don't malfunction is that each chip is individually tested and verified to be working properly. Kinda like condoms :) |
How can old game emulators create save states perfectly at any moment? | An emulator is a lot like a virtual machine, in that you can do many more things with them than you can with the operating system itself. A save state is a snapshot of the contents of the RAM within the emulated system, which can be loaded back into RAM by the emulatorBecause the old game machine is re-created in softw... |
The difference between feminism and equality? | Feminism is a movement or school of thought concerned with equality. Equality is a concept regarding the state of being similarly valuable. Equality in this context means people within society having equal opportunities or equal social status', "By pure definition, not much. Femenism is the fight for women to have equa... |
How auto-dimming rearview mirrors work | Yarr! Yer not alone in askin', and kind strangers have explained: 1. [ELI5: how do auto-dimming rearview mirrors work? ]1. [ELI5: how do autodimming mirrors work? ] |
Why are parents more worried about giving their kids more freedom compared to the 70's to 90's when the crime rate was higher? | The actual crime rate was higher, but the perception of crime is higher now. Lots of people talk about how the world got unsafer. That is not based on actual crime statistics but rather on the fact that because we live in such an interconnected world nowadays, we hear *everything*. And we hear it 24/7 due to the consta... |
What is the difference between turbulent and laminar flow in a fluid? | Laminar as in layers. In laminar flow, the layers of air flowing across a surface or through a conduit move in the same direction at the same speed. In turbulent flow, the air tumbles around in different directions at different speeds. You can see turbulent flow as you pour cream into coffee. Turbulent flow makes cooli... |
How are large national gangs like the Bloods and the Crips organized? Is there actually a central leader or just a bunch of groups that call themselves "Bloods" and "Crips"? | The [STUFF YOU SHOULD KNOW] podcast does an episode on exactly thisNo, there is no central leadership. Generally there was an original gang called the Bloods, and then it spread out and once it spread out too far, it split into many smaller gangs because it couldn't be effectively run as one large organization. Eventua... |
if we live inside the Milky Way, how can we see the whole thing in the sky at night? | We can't see the whole thing, or rather, the thing we call the Milky Way in the night sky isn't the entire Milky Way. As you note, our sun and all of the stars near us are also part of the same galaxy. However, we're way on the outer edge of the galaxy, which means that when you look in the direction of the center of t... |
How do they get release from people of prank interviews? | Publicity. They understand its a joke show but there is a real underlying theme especially with the Colbert report. He has an agenda. That agenda is to inform people of real world events without bias by mocking the persona of similar news casters and exploiting their biases. Its purely entertainment but he's mocking th... |
Why are there so many different forms of pasta? Isn't it all the same stuff? What's the difference? | Pretty much all pasta is made from the same 2 or 3 ingredients; Egg, semolina flour, or durum depending on where it comes from and where you are. Over time those ingredients have broadened but the base for all pasta is fundamentally the same. Now, as to the different forms: Ideally, you want to pair whatever sauce/prot... |
Does the movie studio pay the movie theater to show their movie? Or does the movie theater pay the movie studio to bring in customers by letting them show their movie? | The movie studios and the theaters split the income depending on when people buy tickets to the movie, basically, each side gets a percent of ticket sales For example: Weeks 1 & 2: 90% studio / 10% theater Weeks 3 & 4: 70% studio / 30% theater Weeks 5+: 50% / 50% This can and will vary depending on specifics and the sp... |
What is HDR and why do people like it so much? | HDR stands for High Dynamic Range imaging. In laymen's terms, it takes several photos at different contrasts sort of at once, and then combines the images together. This way, the picture looks more like what your eyes see.A camera's sensor, no matter how advanced, cannot match what the human eye can see. Depending on h... |
I'm five, explain how Google works. | I actually am currently reading a book on Google and how it works. The search engine ELI5 link is good, but for Google specifically, they use keywords on websites to see what other websites are linked to it. The more traffic the linking websites get, the more important Google views them. Google also predicts similar wo... |
Why is desalination not yet a cost effective solution for the world's clean water demands? | There are only a few ways to desalinate water. One way is to boil and condense the water, a process called distillation. The problem with this is that it takes a relatively enormous amount of energy to boil water so it isn't practical. If we had limitless energy available to us then it would definitely be on the table,... |
Would a wet towel dry in space? | Yes, the water would vaporize due to the low pressure. You can see a similar effect when water in a sealed jar is placed under a vacuum--it begins to boil, even at room temperature. _URL_0_It depends on the conditions. In total vacuum the water would boil off the towel but in doing so would suck heat from the wet towel... |
Why you can drink in public, so long as your booze is in a brown paper bag. | She was just being nice. While they cannot legally search your bag without your consent, they can detain you until a warrant is filed or if there is probable cause to search . Both of those take time. The chatting may have just been a way to gauge how drunk you were. She saw no over intoxication and didn't want to do p... |
Why does the number on an analog bathroom scale go up when you bend down to read it? | A bathroom scale doesn't measure weight, it measures normal reaction. When you bend, the normal force on different areas of your sole changes to keep you from toppling over. If it increases at the place where the sensors are present, it gives a larger reading. A similar thing could happen if you stand on one foot/chang... |
ppi of Laptops vs Cellphones | The price to produce a 17" display with 400 ppi so so high that no one would buy it, and also at that pixel density it's not supported by most laptops. Driving that type of display takes decent graphics horsepower |
Why did wireless charging take so long to come about given that the physical principles behind it are very simple? | One big issue to consider is the ubiquity of rechargeable devices. Sure, 10-20 years ago we could have made wireless recharging mats and the like, but there wouldn't be a reason. No one had devices that required frequent recharging. For example, my first cell phone a mere 10 years ago needed to be recharged once a week... |
What is happening inside when I'm losing weight? | Usually, when the body gets more energy for what it needs for its internal functions , it simply stores them as fat stored in several parts in your body for when it would need it. When you "eat less", you simply offer less energy for the body and forces him to use up what you have of stored fat when it "moves more", ca... |
Why does looking at the horizon help against seasickness? | It gives your mind a frame of reference to determine exactly what is level. When you know what "level" is, your brain can deal with the motions reported by your inner ear. If you're inside a closed space and the boat is rocking around a lot, your eyes are telling your brain that you are standing on level ground, but th... |
Why the order of numbers on a calculator and a phone dialpad are reversed? | Because the two standards were developed by different people at around the same time. Some of the early calculator manufacturers decided on the ascending pattern, some of the early keyed phone manufacturers decided on the descending pattern.Bell Laboratories actually did a study in the 1950s involving a number of human... |
Why does cable T.V. show advertisements, but Netflix, which is way cheaper, doesn't? | Two completely different businesses in two completely different industries, doing two completely different things. Netflix started out as a movie rental company, and because it was a startup and not in the slow-moving cable industry, it was able to jump on streaming on-demand content before anyone else. Which is why Bl... |
Why is "classical music" called classical music? | Well, some fancy dressed individuals first looked back to the time of Bach up until 1900 and called that the common practice era. The idea of common being when diatonic harmony, the grammatical rules like couterpoint, and the various forms were developed and became standard. Once you went after that, composers just do ... |
Why do countries still loan us money if we already owe trillions upon trillions dollars? | Because the US government is a very good credit risk. The Dollar is a stable currency, and the US repays its debts. The US borrows money by auctioning off bonds. If people were afraid the US wouldn't repay, then the bids would come in lower. The effect is that the US would pay more interest on its bonds. Today, the US ... |
How does currency in other countries have more value than currencies in different countires? | Supply and demand, let's pretend there are three guys in a world that Jelly beans are money. One guy has orange beans, one guy has black beans and one guy has blue beans. Each guy has five beans and they buy and work for more beans. The orange bean guy said screw that and just made 10 more beans. The others complain an... |
When mouthwash says 'kills germ for 12 hours' | It is just an approximate of the tests done in the lab. It doesnt mean your mouth will be free of bacteria for 12 hours. The cleansing power decreases with time and rarely lasts for 12 hours. Usually after a meal the effectiveness is reduced considerably |
If our bodies are 37*C, why does water at that temperature feel warm? | One important detail - 37°C is the CORE temperature. Your hands are cooler, significantly so in some people.We constantly generate heat while staying alive. We need to dump that or we overheat and stop staying alive. Heat flows from hot things to cold things. We can do a few tricks like sweating to dump heat into phase... |
What is the process of remastering old films/movies? Also, as a followup, how long does this typically take? | Strangely, regular old film is extremely detailed, somewhere around 25 megapixels per image. In order to distribute a movie, it gets converted to an easier-to-use format, but this process loses some of the detail. This isn't a problem because if they convert it to DVD, for example, they expect it to be shown on TVs of ... |
Why do airport runways cost "14-18 billion pounds to build?" | very quick calculations at the rates we use for roads shows about 100 million dollars just to place the material, 3000m x 50m of crushed rock base and concrete surface. thats the absolute bare minimum. you also have costs with excavation, transportation, buying the land, fittings , probably as much pavement again with ... |
How did artists like Van Gogh paint self-portraits without the painting being mirrored? | You could always make a trace first and flip it if you're that concerned about 100% accuracy, but I wouldn't assume that a lot of famous self portraits *aren't* mirrored unless there's a clearly defining asymmetric feature that's present in both portaits and self portraits. Just a note about Van Gogh specifically, you ... |
Why is it that the majority of sinks dispense aerated bubbly water rather than a smooth uninterrupted stream? Is this done on purpose? If so why? | Yes it's done on purpose, the tap of your sink has an aerator on it. If you look at it from below, you can see the little mesh screen, and you can unscrew it if you really want to. It's in place to reduce the amount of water you use because you will almost never need a solid column of water. It also helps to keep the w... |
Why do humans get itchy/uneasy when looking at pictures or videos of bugs and/or spiders? | I'm not an expert but the fact that there can be thousands in an area or the fact that our brains think they are near us and we can't see them? But mostly because we have knowledge of people being bitten by them. You might ask then why are we not scared of pictures of lions probably less have been attacked by lions? An... |
How do astronauts get enough air? | The ISS atmosphere is 21% oxygen 79% nitrogen at 1atm pressure. Oxygen production is carried out by electrolysis of water in the station's 2 oxygen generation systems . Backup is provided by oxygen tanks and emergency solid fuel oxygen generators. Computers monitor the air quality constantly and introduce more oxygen w... |
What does it mean when Nasdaq or Dow Jones drops a point? How does it affect me? | I believe that the Nasdaq and Dow Jones are analytical indexes using the stock prices of a specific list of companies. Because stock prices are constantly changing, viewing just one of them doesn't give you a good idea how the entire market is doing, and there are too many companies out there to see each and every one.... |
Why does the death penalty cost tax payers more than life without parole? | All of the appeals that are allowed before the sentence is carried out. Court costsThe death penalty is typically basically a life sentence. The difference is, a Lifer, someone who is going to stay in prison for the rest of their natural life and will not be released out into the real world actually will normally parti... |
Why are there poisonous additives in cigarettes? | They aren't added, for the most part. Let's start with the things you mentioned. Arsenic is a naturally occurring element . If it occurs in soil and water, there's a fairly decent chance it gets into plants in some way. Tobacco is a plant. Hence it absorbs Arsenic compounds and tends to release them when burned. Hydrog... |
Why is it wrong for a country to save a lot of money? | Basically German domestic consumption is really, really low because they save so much. Consumption is what drives economic activity and the Eurozone in particular has suffered from a dearth of consumer spending. The fact that Germany has tons of money but squirrels it away in corporate and government savings accounts r... |
What does the President of France do as Co-Prince of Andorra? | The coprinses have, like most heads of state of modern monarchies, more of a ceremonial function than a political one. The don't even have the right to veto governmental decisions. They are also have representatives in place so the President of France will normally not directly concern Andorran affairs that often. The ... |
Why can we see faraway light source (e.g. cars, lamps, stars) clearly when it doesn't seem to illuminate my position? | The difference is this: For you to see light, the light has to be strong enough to reach your eye and produce a reaction there. For it to illuminate you, it would have to reach you, scatter off you, reach someone else's eye, and produce a reaction there. During the scattering, the light is spread out more, so it become... |
Tv/Cable, ISP, Phone companies | LOL nobody in this thread knows what the fuck they're talking about. The definitive answer is the Telecommunications Act of 1996, signed by Bill Clinton. This act deregulated markets to allow corporations to operate across state lines, ostensibly to foster competition. In reality all it did was let the mega-corporation... |
What is it about overheating that is bad for computer parts? | Simple, Heat causes things to expand very slightly. Lets say you have a microchip that's just been soldered onto a circuit board, and it runs very hot. The circuit board around it doesn't run hot since it's a circuit board, which means the microchip expands, putting STRESS on those solder joints. Those can eventually c... |
How does medicine work with our body to relieve pain in different parts of our body? Back ache-Take an asprin. Tooth ache-Take the same asprin. | Pharmacist here. To ELI5 this: basically, there are enzymes which facilitate reactions which cause signals to be sent producing pain. The name of the enzyme medicines like Ibuprofen target is called cyclo-oxygenase, or COX for short. Meds like this are closely related to the chemicals in the body which actually activat... |
- Bandwidth and broadband linespeed | _URL_0_ gives you the results in bits per seconds, while it's generally presented in bytes per second in applications used for downloading. So when you're downloading at 1.1MB/s, you're using 8.8Mb/s, because 1 byte is 8 bits. |
Where Did the First Living Cell Come From | We don't know every step that needed to happen, but we know a few. After sealing water, ammonia, methane and hydrogen, in sterile bottle, heating it and cooling, adding few sparks of electricity some amino acids form. AA are basically building blocks of life, just like bricks are building blocks of a house. Another exp... |
Why do tired children become all restless, not calm? That does not seem to make sense. Or does it? | Based upon my 14 month old daughter, it's because they're fighting the sleepiness. Their bodies are telling them that they need to rest, but their mind is telling them that they want to keep playing and explore and interact or whatever. It's how bedtime goes most nights. She fights it and gets crazy and squirms around ... |
How do they estimate the number of people in enormous crowds? | by area that they occupy and density Often these estimates are fairly innacurate but they do give a decent picture |
How does salt act as preservative in food? | Salt kills bacteria and molds by drying them out. The growth of bacteria and molds is what makes your food go bad, so inhibiting the growth of those stops your food from going bad. And no, the food does not get less salty as time passes. Maybe the salt becomes more evenly distributed, but the amount of salt remains the... |
What being "spiritual" but not religious means? | When people say they are 'religious', it generally means they can put a name/label to their beliefs . When people say they are 'spiritual', it usually means they believe in a higher power/supernatural forces but don't have a name for it . Basically, a person who is religious is almost always spiritual , but a person wh... |
The IMF and their relationship to Greece and Germany. | The IMF was originally created to serve as an international institution to prevent another Great Depression and World War from happening. Much of the discussion that went into creating the IMF also serves as the global financial backbone of the world economy. I wouldn't say that they have complete control over Greece b... |
How come putting your hand over a cut/burn/bump as a kid made it seem to hurt less? | From an article I found: “Uniting two parts of the same body, Kammers explains, sends diverse signals to the brain about temperature, spatial position and identity that can come only from self-contact. In this case, bringing all three fingers together probably provided the brain with enough comparative information to r... |
If you are killed out in public (i.e. hit by a car, stabbed, etc.) how do the police find out who your next of kin is to notify them? | Depends. The easiest way would be to find your wallet. They also try and ask people around the scene or wait until a missing persons report is filed. Edit: Oh and fingerprint, dna, and dental records can be used too. |
nitroglycerin pills for heart attacks vs. nitroglycerin needs to be handled carefully or it blows up. How is this the same substance? | Nitroglycerin tablets are solid. It is the liquid form that is unstable. This link might help you _URL_0_ |
How is it that Sweden has a lower GDP per capita than Mississippi, but a much higher standard of living? | Sweden doesn't have a lower GDP per capita. Mississippi's GDP per capita in 2015 was $35,717. Sweden's was around $50,000. GDP per capita also doesn't take into account wealth distribution. If a few people make billions of dollars in a year while most everyone else just makes a few thousand, you can have a high GDP but... |
How does color mixing work? What exactly does the mixture of blue and yellow do to always create green? | If you're talking about paint, the pigment reflects light at a certain wavelength. Light at that specific wavelength has energy and stimulates light-receptors in your eye which sends a signal to your brain, which you interpret as seeing a specific color. Pigments in paint are suspended in some kind of medium . When you... |
why does rice have more genes than humans do? | The number of genes isn't what determines complexity, it's how those genes are used. Imagine the same principle with language. If you try to describe something simple with thousands of words, your description isn't more complex than a short and precise one. To oversimplify: In plants, 10 genes might do 10 different thi... |
If marriage is a legal framework, why is adultery not a punishable offense? | It is - in most places - grounds for the dissolution of the contract of marriage - aka divorce. There are plenty of contract violations that are not criminal offenses.Because the law doesn't care about your sex life . Marriage as a legal framework exists to specifically define the legal relationship between two spouses... |
Why does burnt stuff taste so bad? | It's because foods have sugar in them. Caramelization is what makes the sugar taste sweet, and if it burns, the compounds in the sugar change, making it taste bitter. So basically, the hotter the sugar gets, the bigger the taste will differ.Because the organic material in the food is converted to carbon. So everything ... |
If WWI and WWII never happened, what would the be our current population on earth. | There is no way to know because history would be entirely different. Maybe we wouldn't have been so hesitant about using nuclear weapons in the Cold War since no one saw the destruction caused by the atomic bomb and we would have nuked ourselves into near-extinction. Or maybe we would have all gotten along really well ... |
How does a fingerprint scanner work? | These scanners look for certain points on the fingerprint and then convert it into a hash, a number, to compare it against the enrolled fingerprints. Not all points need to match, allowing a bad image or damaged finger to authenticate. Given the hash you can not recreate the finger print. Some scanners, like ones at po... |
Why aren't American politicians taking payments from companies prosecuted/fined/penalised for bribery/corruption? | They aren't taking direct money into their pockets. That would be bribery. Super PACs that support them and run all of their advertising, lawyers, strategists get the money. This is considered separate. |
Why does it take several decades to dismantle a nuclear power plant and only a few years to build it? | While being built, none of the parts are radioactive. You don't need any special protection and can discard waste as any other construction site. However, many of the components become radioactive during use. Waiting some time allows the radiation levels to drop off, and upon dismantling, the waste must be carefully mo... |
Why is it common for McDonalds in multiple countries to have technical "problems" with their ice cream machines? | It doesn't break. It's down for maintenance. The maintenance cycle takes a few hours and they can only perform maintenance during work hours.The machines are similar in different countries. The parts and ingredients used in those machines are similar. so the problems are also similar. This seems more like a rant than a... |
Do mental issues run in the bloodline or do they develop, if they do, what causes them? | "Mental issues" is very vague here. Some have genetic factors, some are exclusively a result of some sort of trauma, and many are in between. It *really* depends on which one you're talking aboutTake a look at the "nature vs nurture" argument. Bottom line is that mental issues come from both your biology and experience... |
How did Brachiosaurus' find enough Vegetation to eat, and how were plants enough for this huge animal? | They dont have to chase their food and theres a lot of it so they spend their entire day eating. Its just like how cows produce insane amounts of meat from mostly grass or hay. Because they eat constantly.Ever been to a forest? There is a SHIT-TON of plants in those. Different animals can extract different amounts of n... |
Why do people who plea guilty in court get time knocked off of their sentence when they still committed the same crime? | Costs the state a whole lot less if they can avoid a trial, guarantees a conviction, etc. It's a form of leniency for admission of guilt and saving resources. |
Why does it take so long to download something but such a short amount of time to delete it? | When you download something every individual byte of information has to travel down the line to your computer. So it has to sent that amount of information. For example maybe say 40 Gigabytes all down the line to your computer. When you delete that information you dont remove that 40Gb what happens is the computer tell... |
why is it in northern states (US) it can snow several feet and daily life doesn't change, but in southern states ~1 inch of snow can shut everything down? | Infrastructure in place to deal with it, both people's stuff and city wide. If you live in an area that regularly gets snow, you have snowblowers. You have shovels. You have winter tires, and they're already on the car. The city has huge salt reserves, plows, you name it. if you live somewhere that *doesn't* get snow r... |
why are American college athletes unpaid? | in a way, they are getting paid. they get a free ride for their "work", is it fair? that's another story. * no tuition USD10-50k per year * usually, free meals during the school year* free housing* my freshmen roommate gets free books from the book store too.* some athletes get extra scholarship spending money too', "I... |
Why do tractor trailers need so many gears? | Just to allow them to tug more weight. You would need an insane amount of power to tow those trailers if you only had say 5 gears. Either you wouldn't have enough power, or your top speed would be very slow. Having more gears allow the driver to start moving the weight using the gears to keep the engine in it's optimum... |
How did a bunch of great actors agree to star in a movie that would obviously flop (emoji movie)? | The producers managed to solicit funding for a passing fad from people who had more money than sense. They had a big outlay of cash and rather predictable costs for the actual production, so there was plenty of cash to pay for big name voices. I'd be willing to bet most of the voice work was remote; they just paid whom... |
If humans were made for physical activities (not sitting for long hours), how is our body adjusting to us sitting for long hours staring at a screen | There will only be an evolutionary change if people who have spontaneous mutations that allow them to complete desk work more easily and remain healthy end up having more offspring than those who die early of sedentary heart attacks. |
Somebody in the comments of this video said it wasn’t a heart problem. Why is this guy like he is? | In the Reddit post about it, somebody claiming to be an ER/trauma doctor said it was a condition called [flail chest]. Rather than being the heart beating, the broken ribs move in & out as a response to air pressure from breathingit was already answered. he had a broken rib cage. what you see is his lungs inflating pas... |
Why is there a second explosion? | So this is actually pretty cool. The second "explosion" you're seeing is called sonoluminescence, which can sometimes happen when bubbles in a liquid collapse. Basically it is a collapsing air pocket that explodes due to a violent change in pressure. You can see as the bullet strikes the gel it creates a large air cavi... |
Are there any deductive arguments for or against gun control that are both sound and valid? | Not sure exactly what you mean by "deductive". Any argument depends upon a set of premises, and typically the differences between arguments is a difference in premises. A simple logically sound argument against gun control is that freedom and liberty is more desirable than anything else, including personal or collectiv... |
Why can you get addicted to 1st hand smoke but not 2nd hand smoke? | Addiction to cigarettes comes in two main ways. The first is the physical habit. Cigarette smoking is a repetitive, comforting practice - a less athletic version of Tai Chi. So merely smoking the cigarette is enjoyable even if you exclude the pharmacological effects. It should be obvious that this provides no benefit e... |
What's the difference between and ponzi and pyramid scheme? What are examples of companies that use these models? | In a ponzi you give a guy some money and he gives you back more money by telling you a lie and saying he has a good investment but really he is just telling a bunch of people that and paying the older people with the newer people's money. A pyramid scheme is basically the same thing but with less direct lying. Everyone... |
Why do we need to write "ELI5" in front of every post when obviously that's the topic if it's in this subreddit? | Likely for those either on the front page or on /all/ who may think it's AskReddit, and then downvote them for having a bad question. |
What Does make a Western country be considered part of the West? | It's a largely a cultural distinction based on 'Western' values. Nations with a free market, broad conceptions of liberty and low levels of corruption tend to be considered 'Western'. That's why clearly non-European nations like South Korea and Japan with distinctly non-European cultural heritage are 'Western' but most... |
Why is cell service so erratic in the mountains? Mountains don't move, so why is the connection not constantly good or bad? | For one, rock and other materials on a mountain can block signals . In the mountains, you are generally pretty far from a tower, so your signal is already weak. While the mountain may not move, other things around the mountain do. Mostly it's weather. Radio signals don't travel well through water, so rain, fog, and hig... |
Do productions really crash expensive sports cars for a single shot in films? | I doubt they buy full actual sports cars to crash. The most likely scenario is they build a replica model of the body and put it on a 'normal' car chassis. I know a few of the cars blown up in Skyfall were relatively cheap 3D printed replicas.As /u/firstworldandarchist said they usually use replicas. Car crashes are pr... |
Why do some people mouth the words I am speaking? | People with hearing issues do this. its one of the ways they have learned to communicate, by visually seeing your lips move a certain way and combining it with the limited audible sounds they hear they can understand what you are saying. At that point its kind of like mouthing words while reading a book. Source: my bes... |
What is the deal with the unholy trinity of Kroger, CVS pharmacy and Walgreen's? | Kroger store manager here 1) Proximity to one another allows stores to potentially steal customers away from eachother based on better service, instocks, cleanliness and speed of checkout. 2) there really arent a ton of high traffic intersections available to retailers, and it gets even lower when you factor in the siz... |
if our basic human instinct to survive is so strong, why do humans willfully continue to destroy things we need to survive? | You seem to think that the brain is a perfect, logical truth-seeker. We are the first species on Earth that can completely destroy ourselves if we're too shortsighted with our use of technology and exploitation of the environment. Before recent times, there was *no need* for any animal to be able to think long-term.Our... |
EILI5: How come English doesn't use compound nouns like other Germanic languages? | > English uses it on occasion so how come that trait of Germanic languages was never adopted by the English Language? Maybe I'm not understanding your question properly or don't understand how German compound nouns work, or maybe you just intended to ask why doesn't English use compound nouns more frequently. Regardles... |
Why is home value used to describe the U.S. economy recovery, when over-inflated home values caused an economy crash? | Home prices can be an indicator for consumer spending. If prices are high, it's usually because demand is high. Sellers want to get the most money they can, so if they know that people will buy it for a high price, they'll list it at a high price. If lots of people are wanting to buy expensive houses, it means that lot... |
Why isn’t the temperature of a vacuum absolute zero if there is nothing to store the heat energy? | It would be if it was absolute vacuum . But we cannot get true 0 pressure even in laboratory conditions. Just like temperature we just try our best to get very closeTemperature is a physical property of a thing. The absence of things is not a thing. So there's no temperature to be measured. It's just "N/A" like 'the co... |
Why does a full suspension mountain bike require more energy to pedal than a hard tail? | In full suspension mountain bikes there is a storage for kinetic and potential energies in the suspension device the spring. When you are pedaling on flat ground you exert a force and some of this will get absorbed by the spring, unlike a hardtail which would just transmit it to the wheel and move along the ground.All ... |
Why are there, for the most part, no "villages" in the US? | There are all kinds of small towns all over america, maybe not QUITE as smal as a few houses on a road, but there are plenty of towns with one main street, a few small businesses and not much else.Have you been to the US? Which parts?, I live in New England, and those types of places are everywhere here, nestled in the... |
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