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What’s the difference between Federal law and standard law in America? | [
"Federal law is created by the federal government. It comes in the form of statutes (laws created by Congress) or federal court decisions (“precedent”). However, each state also has a state court system and legislative body which can create its own laws in the same way. So, for example, when a Massachusetts legisla... | [
"Pretty sure its regulated by the ATF. The FDA does not regulate it. The FDA has nutritional info as a requirement, the ATF doesn't."
] |
When people say some metals are "better" at conducting electricity what does this mean, do they conduct faster or more efficiently? | [
"Both. The conductivity of a material is the constant that relates the current per unit area to the applied electric field. σ = J/E. So using a more conductive material you could design a circuit that moves the same amount of current using a weaker field (more efficient) or moves more current at the same field (fas... | [
"Imagine that each cable is like a highway with cars on it. The copper cable is like a highway with a few lanes on it, so if there is a lot of traffic it can get jammed up pretty easily. The fiber optic cable is like a highway with 1000 lanes, so a lot more cars can travel on the highway all at once."
] |
- How do those who are paralyzed or without use of their legs drive? | [
"They have a hand accelerator and hand brake installed in their car. [There are lots of companies that can install those kind of controls in almost any car.](_URL_0_)"
] | [
"Hi, FYI there have been some interesting threads on this. Check these out * [Buried cities: how did they get that way?](_URL_1_) featuring /u/kookingpot * a few more links here [How is it that cities become buried while still being occupied?](_URL_0_)"
] |
In what ways are doctors and nurse practitioners similar and in what ways are they different? | [
"Nurse practitioners often have years of nursing experience and then return to get their masters degree and become a medical provider. Some work under a Physician guidance but some can work on their own. Physician assistants are similar to nurse practitioners in that they have clinic experience, get their masters a... | [
"Bitcoin is more like a shared ledger, where each account has a certain number of coins in it. The network tracks how many coins are in each account, not the coin itself. So you run your coins through a series of wallets that are doing other things - and you can't tell where the naughty coins went versus where the ... |
Lucky 7 and Unlucky 13 | [
"This illustrates the difference between this subreddit and r/answers. This kind of requests doesn't belong here. r/explainlikeimfive serves the purpose of explaining hard things in easier ways. r/answers works for trivial and curious questions like this one."
] | [
"Its just annoying to do 5 in a cartoon style without making the hand look odd, typically the hand will look overcrowded, or just plain weird."
] |
All of the cells in my body get periodically replaced. Does this have any impact on the long-term storage of my memories? | [
"Not all the cells in your body get periodically replaced. Neurons the cells that make up the brain and nervous system are not replaced, you have the same neurons you have had when the brain developed in the womb they have just grown with your body size. That is the reason why nerve injuries are so devastating, bec... | [
"They are kept in the device's RAM as you use the app, so that when you scroll back up, they are instantly available. Some apps may run out of RAM or otherwise optimize to save it, so the data will be erased from the RAM and lost, thus when you scroll back up, then it must re-load the data from the internet."
] |
Why do you get that kind of vibrating feeling in your ears when your sitting in the front seat of a car and the windows in the back of the car are open? | [
"Your car acts as a [Helmhotz resonator](_URL_1_), just like when you blow in a bottle, but the frequency is obviously much lower because a car is much larger than a wine bottle. You can also look [here](_URL_0_) for more comments."
] | [
"Speculative, as I know of no scientific study on the subject, but I am an electronics technician and electronic warfare specialist who works with various radio and radar equipment. It's possible that the angle of your radio station relative to the freeway (and thus overpasses) is such that just as you go through t... |
How does North Korea's economy work? | [
"a state controlled economy that is not shy about about the use of forced labor. The state owns basically all the assets in the country and uses them to the benefit of the state. There are mines, farms, factories, businesses, etc. all run by the state which \"employs\" the NK citizenry."
] | [
"It's a box that a bunch of microwaves are pumped in to and according to our currant understanding of physics it should not produce any thrust, yet multiple test have reported that it does produce thrust. We have no clue what this means as of yet."
] |
Why do helicopter not have ejection seats like planes? | [
"Some do... For improved pilot survivability the Ka-50 is fitted with a NPP Zvezda (transl. Star) K-37-800 ejection seat, which is a rare feature for a helicopter.[17] Before the rocket in the ejection seat deploys, the rotor blades are blown away by explosive charges in the rotor disc and the canopy is jettisoned.... | [
"Horse meat isn't rare at all. You can get it in many parts of europe. Tastes ok too. Anyway, that's culture. The same reason we think that bacon and eggs is a breakfast food, and don't eat grasshoppers."
] |
The contents of the Anonymous data released on police today. | [
"> Nestled within the data dump, posted as both a BitTorrent release and posted on sites accessible via the Tor anonymity network, are more than 300 different email accounts from 56 law enforcement Web sites. Details from the ransacked Missouri Sherriff's Association Web site also appear in the release, including u... | [
"Can someone please just eli5? I don't understand any of this. What does this mean for me? A citizen of the United states."
] |
Are any of the current inhabitants of modern day Iraq descendants of the Sumer/Babylonians? (xpost from r/askhistorians) | [
"It's possible (but very, very, very unlikely) that _all_ descendants of _all_ Sumerians died out, but unless this happened, nearly all modern-day humans are descended from all those Sumerians whose descendants didn't die out. See _URL_0_"
] | [
"Could you perhaps present us with your original source so we can see what the author writes about it? I *think* I know the answer, but I would like to know what exactly the author wrote. Also, could you remove the bonus question? We do not allow discussions of events after 1993."
] |
Why is the Illuminati or New World Order viewed as bad? | [
"Simply put, it’s because the idea that a few. vastly wealthy, *unelected* individuals are controlling the majority, if not all, of the worlds states, finances, corporations means there is no accountability. They own media outlets so they can feed the general population different versions of the truth or hide it a... | [
"This CGP Grey video does a really good job of explaining it all. _URL_3_"
] |
Why don't they put bombs in vacuum covers? Eli5 | [
"An explosive is a chemical that has the Oxygen it needs to burn built right in. That is why they burn quickly enough to be called \"explosives.\""
] | [
"Chemical reaction to oxygen. Like you are five: Once the stuff inside the compressed tube meets the air...it goes all crazy and changes."
] |
What is happening in Turkey (Erdogan) | [
"The short answer is that the Turkish version of \"Trump\" or \"Putin\" has come into power and secured an iron hold on the government. He is a social conservative and turning out to be fairly hard line Sunni. The Turkish government was \"secretly\" providing aid to ISIS for various political/religious reasons and ... | [
"Hi there -- while we've approved this question, we would like to remind potential respondents of our [current events](_URL_0_) (AKA \"20-year\") rule -- it's fine to discuss events through 1997 (inclusive) and their effects, but not events after 1997. Thanks!"
] |
Were there other names under consideration for the United States of America prior to the declaration of independence? | [
"I've seen \"Columbia\" used in poetry as an alternate name - is there any evidence that this was given consideration, or is just a flight of fancy?"
] | [
"For a movie, check out *Master and Commander: The Far Side of the World*. It gets pretty much everything right, with a few minor exceptions (who owned Valparaiso at the time, etc). Also look into Dean King's *A Sea of Words*, which is a naval-focused dictionary that plays off the book series that movie is based of... |
How did 209 countries attempt to qualify for the 2014 FIFA World Cup if there are only 195 countries in the world? | [
"There's a lot of \"countries\" in the World Cup that other governments don't recongnize such as Palestine. There are also multiple teams in one country like England and Wales each have their own team"
] | [
"It has to do with the contracts the networks sign for the show. Typically shows are contracted by the season - but often they will buy a season with a certain number of episodes with an option to buy more episodes under that contract if the show is successful. For example - They will sign a contract for 1 season o... |
If there are left-handed guitars, banjos, mandolins, etc.. why aren't there left-handed pianos, and violins? | [
"Strummed string instruments are much more accessible and mainstream than violins. I imagine that if someone really wanted a lefty violin, they'd be able to get one. A left handed piano sounds like a bit of a stretch considering it's more or less ambidextrous and has a few hundred years of tradition behind it."
] | [
"Many Swedish traditional dishes contain animal organs. *Pölsa* contains liver and heart of pig. *Lungmos* was nearly the same thing, but included lugns. *Leverpastej*, paté of liver is still a very common sandwhich spread in Sweden. *Blodpudding*, blood pudding/black pudding is a common meal as well. Liver in stew... |
Is fracking as bad as it is being portrayed on the media? | [
"As an Environmental Studues minor in college I've learned a bit about fracking, but I'm by no means an expert. From what I understand the biggest environmental concerns stems from the gases that escape and the fluid used for fracking. A major gas that often escapes is methane which us both highly flammable (look u... | [
"Water we use to bathe, shower, drink, cook with, etc. is all water that has been filtered, processed, and otherwise tinkered with. Yes, it all goes back to the water cycle, but there are costs involved with getting the water to your home in a sanitary state. The less you use, the less water needs to be processed i... |
Why do you sometimes wake up way before your alarm and you’re wide awake? | [
"If you wake up at the same time day by day your body will synchronize with that loosely and sometimes your body just subconsciously wakes you up early. We used to use the sunlight as a good time to wake up, and sun set as a good time to go to sleep."
] | [
"Simply put for the same reason drinking water when you're not thirsty isn't as refreshing as when you're REALLY thirsty. Anticipating the bodies' needs doesn't trigger the same reward responses in the brain as fulfilling a need that is already present. Your muscles don't NEED to stretch right now, so you can't ant... |
how can currencies' price drop and rise? And What are they based on? | [
"Currencies rise and fall based on the value of the goods / services for which they can be redeemed in a given country. Thus the value of a currency can be varied by a variety of factors. Exports and the international market play a role in determining value as do stock markets, etc. Governments or other financial b... | [
"motogp bike specifications are heavily regulated. the bike designers are free to do whatever they want within those guidelines. generally a longer wheelbase would be better for top speed (it would make the bike more stable), but it would have worse handling (it would be harder to turn). the same goes for being lo... |
What it SRS, all the drama surrounding it, and why pretty much all of reddit hates it? | [
"Keeping with the theme of this subreddit. There is somebody in your kindergarten class who keeps a notebook of things said in class ****they**** find stupid. On the playground, they pass this notebook around so that other kids can see stupid things from class that they might have missed. One of the [failed] prem... | [
"Top = amount of upvotes-downvotes New = time since posting Hot = how fast something is getting upvotes Controversial = a ratio of downvotes to upvotes"
] |
How can a spinning top stay upright while it's rotating? | [
"When something spins, it has inertia just like an automobile and just like an automobile, it is very easy to move it in certain directions in respect to the direction of the movement and difficult in other directions. The trick is that with a top, the inertia isn't all in one direction, it is in all directions alo... | [
"I have been reading jokes all morning and I thought this was another joke. I was expecting something along the lines of \"Because bowing is too difficult.\" or \"to prevent them from screaming.\" But to answer to ELI5, I believe it is because of the tension on the outside is greater than the tension on the core."
... |
If neutrinos turn out to be faster than light, why are we not able to detect supernovas before we see them? | [
"The neutrinos from the 1987 supernova (all 24 of them) were actually detected three hours before the light. This doesn't imply superluminal transport, because supernovas in their early stages are opaque."
] | [
"The P=NP problem is basically asking \"Is it just as fast to solve a math problem as it is to check the answer?\" P and NP are a couple ways mathematicians talk about how fast certain kinds of math can be done. Some think these might be just as fast as each other, but they haven't managed to prove it one way or th... |
What's the difference between a community college and a university | [
"Community colleges tend to be two-year programs. They usually are required to accept anyone who applies and who has a High School Diploma or GED equivalent. Because anyone can get in, they're academically a little less rigorous than more selective universities. It's not that what *you* are learning will be worse,... | [
"Pharmaceutically? Nothing. There are VERY strict guidelines in place, all drugs have to be exactly the same in make up. Psychologically? A lot. Say you pay £0.45 for a pack of generic paracetamol, psychologically this WILL NOT work as well* as £4 pack of panadol. (Exactly the same active ingredients, excuse the br... |
Could one perform a gravitational slingshot around a black hole? How effective would it be (if yes)? | [
"Yes. As long as you stay far enough away from it, the gravity of a black hole works no different than that of a planet or star. Anything your spacecraft can do around a planet or a star, it can also do around a black hole. Since black holes are more massive than most stars (sometimes by a large amount), the distan... | [
"That's how SpaceShipTwo is launched. It's fine if you don't care about orbiting, just getting high up. But the energy you need to get fast enough to orbit is about 25 times the energy you need just to up and fall back down."
] |
Why do some types of plastic wrap hurt your ears so badly when interacting with it? | [
"Probably because your ears are sensitive to the particular frequency those wraps emit when being handled. Not everyone is, though."
] | [
"That's your phone call. Your speaker chords are made of metal and they're acting as a radio antenna and picking up your call. But since your call is digital, and encrypted, and transmitted at a frequency outside your hearing range, the ringing just sounds like noise on the speaker. We use this phenomenon all the t... |
Is it possible there was a Roman emperor we don't know about because of damnatio memoriae? | [
"Not a \"real\" historian here, but given the fact that we can remember a Ephesian arsonist (Herostratus) despite damnatio memoriae, there is no way in heck that a big official from Rome would be forgotten due to it, although I dunno if there is any difference in DM between Greece and Rome."
] | [
"While not a scientific answer to your question at all, I want to suggest the excellent movie [Before the Fall](_URL_5_) (German Titel: Napola – Elite für den Führer) to anyone interested in this topic, which is a story about pupils in an elite high school in the German Reich."
] |
Why are there no nonhuman primates in North America? | [
"Consider that the isthmus of Panama was only formed about 9 million years ago. The South American primates are entirely arboreal, and the biomes in the American southwest and northern Mexico are very arid, which would form a nearly impassable barrier to primates coming into North America. There probably just wasn'... | [
"Horse meat isn't rare at all. You can get it in many parts of europe. Tastes ok too. Anyway, that's culture. The same reason we think that bacon and eggs is a breakfast food, and don't eat grasshoppers."
] |
why are all colors together considered white and absence of color considered black, and not the other way around? | [
"Not a physicist at all, but there was something I remember from a physics class (way back when) about that a color shows when an object reflects a certain wavelength of light. Something looks blue because it's reflecting blue light, red because it reflects red light, etc. When all visible colors are reflected, you... | [
"The rods and cones in your eye (the vision receptor cells) only contain a finite amount of rhodopsin (the chemical that absoarbs light). After it absoarbs enough light, the chemical needs to be recycled, which takes some minutes. Until that time, those cells can no longer detect light or \"see\"... thus according ... |
Why don't people fill bubble wrap with helium to reduce shipping weight costs. | [
"Because the tenths of an ounce that you reduce in shipping weight wouldn't offset the cost of helium itself."
] | [
"Here is a site that answers you perfectly: _URL_0_ What happens is that there is a small pressure differential between the edge of the station and the centre of rotation, and so the balloon will \"rise\" against that pressure differential. The same thing happens in a car as it accelerates/decelerates, or when a ca... |
what part of my clothes does dryer lint come from? | [
"It's little fibers breaking off of the threads your clothes are made up of. Slowly, over time with many dryer cycles, the clothes will give up most of the fibers they had, and this is when you start developing \"ratty\" clothing with holes in it, even though you never put enough stress on the clothes to rip them."... | [
"> Because your nostrils split their workload. Throughout the day, they each take breaks in a process of alternating congestion and decongestion called the nasal cycle. At a given moment, if you're breathing through your nose, the lion’s share of the air is going in and out of one nostril, with a much smaller amoun... |
why do people with an extra chromosome have a face that seems flat? | [
"I'm not sure anyone knows exactly why each genetic abnormality so commonly affect the face. It does seem that chromosomal problems almost always have extreme manifestation in the face as opposed to other areas (with exception perhaps of genitals). One SPECULATION I can give is that facial development continues wel... | [
"Imagine you draw a bunch of dots pretty close to each other on the surface of a deflated balloon. Then blow it up. The dots are much bigger and farther apart."
] |
Why isn't the Surgeon General called the "Physician General"? | [
"Because it grew out of a tradition of military surgeons- though you should think of them as general-purpose medical men assigned to the Army, rather than scalpelers. At the time, \"physicians\" hadn't really established themselves as, uh, professionals who knew what they were doing."
] | [
"_URL_2_ columnist William Saletan waded into this issue several years ago with similar questions to yours. Here's an article posted AFTER his initial article and several followups, all of which can be reached via links within the article. It's an interesting journey with commentary from psychologists, statistician... |
How can I share 50% of my DNA with a banana but only 12,5% of it with my cousin? | [
"HiBecause you're looking at different sets of data. Saying we share 50% of our DNA with a banana (I think thats a bit high) is looking at 100% of the DNA. Sharing 12.5% of your DNA with your 1st cousin is only looking at the small section of DNA that's different among humans. If you look at all of your DNA it's o... | [
"Super simple version of radioactive dating: Radioactive substances have a half-life, or, the time it takes for half an amount to decay. So, say you have one pound of the radio active material in question, the half-life is the time it takes for that material to decay to half a pound. So if you know the substance's ... |
What happens to a virus or infection after a host dies? | [
"It really depends on the specific virus, bacteria, ect. Some survive years while others last seconds. Infections like anthrax form a really resilient structure called a spore where they can survive for centuries until they come in contact with a host through inhalation skin ect. Tuberculosis can only be spread tho... | [
"First off, I'm curious what doctor has actually taken blood because in my experience it's almost always a nurse or lab tech. But to answer the meaty part of the question - blood goes to the laboratory usually where it's often either run on analyzers or processed to be shipped to another laboratory to be run on the... |
why are lie detector tests still accepted in court as evidence when they’ve been proven to be BS many many times? | [
"They are almost never accepted in court as evidence for that very reason. They get used from time to time, sure, but in actual trials they aren't accepted."
] | [
"Penn & Teller: Bullshit! did a show on this, its very worth a watch, they break it down quite well and understandable. [Link to the full episode](_URL_0_) on youtube. Warning, NSFW language and boobies in like the first 2 seconds, because its Penn & Teller and thats what they do"
] |
How did bag pipes become associated with funerals of police, fire fighters or military? | [
"Side question- why do they only play the same 1 song?"
] | [
"I'm a journalist. I can tell you straight up : it's for audience. These videos create shock, which is the best hook television news has over the viewer. The whole ethics speech they'll give you about people having the right to see it is BS. Television is a business, news or not, sadly. This is even more true in th... |
How does TOR like services work? | [
"Are you asking about \"Tor like\" services, or specifically Tor? This could be very different answers."
] | [
"If you don't have even a 5 year olds level of understanding then why do you want to get into it? If you are actually interested then I can explain some of it, but you won't make money, trust me."
] |
How a speaker is able to make two sounds at the same | [
"When a speaker vibrates, it doesn't have to move in a single pattern. It can push out, pull back all the way, push forward a tiny bit, push back a little, push forward more, and so forth. When you consider the two frequencies of sound you mentioned, when they get added together- whether they were both played in fr... | [
"You can simulate color vision by wearing a tinted lens in one eye and a differently tinted lens or no lens in the the other eye. For example, a red lens in the left eye and a green lens in the right eye. If you look at a grey object, it will appear equally bright to both eyes. If you look at a red object, it wil... |
How does oxygen stay at 20.9 on earth? | [
"The concentration of oxygen does vary over time. The early Earth had very low levels of oxygen. At certain points in the Cambrian, oxygen levels were nearly a third higher than today. Over human time scales, there are much smaller seasonal and regional variations Twenty one percent just happens to be the balance p... | [
"You're right to be confused. It is 100% wrong as depicted in the movie, and a lot of people of wondered about why they made such a grave error considering the rest of the movie was *somewhat* realistic. It is likely that the reason this happens in the movie is that it makes things more dramatic. Artistic license i... |
What made Aliester Crowly get the title as the most evil/wicked man that ever lived? | [
"AC wanted to have some outlandish fun, so he summoned the press to witness his absurd amusement and apparently there wasn't much else going on in the world that day so the newspaper trumped up the charges and hyped taboo to sell copy."
] | [
"Simple: Their music doesn't act as a confession. Music is a performance, you wouldn't arrest an actor for being a murderer just because they play one in a movie would you? Similarly you wouldn't arrest Eric Clapton for admitting he shot the sheriff, and you can't arrest a rapper for saying they are \"ridin' dirty\... |
What is happening when we hit our funny bone? | [
"You have the [ulnar nerve](_URL_0_) (in yellow) passing just below the skin at the elbow with bone under and when you hit a nerve that exposed it hurts."
] | [
"Just depends on how your brain precieves (sorry for spelling) the responses from nerve endings. I personally hate being tickled and do not like the feeling."
] |
I just became a political science/history double major. What are the biggest problems/concerns you've had with political scientists attempting to tackle historical issues? | [
"IME, the biggest difference between the two disciplines is that most Pol. Sci. folks seek models for historical behavior. There are myriad theories (none of which I'm versed in) that guide the political scientist's research. Data are then accumulated and a model is either proposed or fitted to by the researcher. M... | [
"Parliamentary systems elect specific parties, who then negotiate into coalitions to govern. In the US system, we vote for what are effectively two coalitions so the long season is where the negotiations take place (and then voters choose the coalition they prefer). Because the coalitions can sometimes change prett... |
How do our ears send information about how loud or soft a sound is if neurons fire in an all-or-nothing way? | [
"Interestingly, inner ear hair cells do not fire action potentials (as many neurons or electrically excitable cells do not). Instead, when stereocilia are bent by sound vibrations, the hair cells are depolarized ('stimulated') in ~~a manner proportional to~~ an amount dependent upon the amplitude of the sound (how ... | [
"To generalize - at present, it doesn't. We do not have a way to accurately measure the stresses in rocks deep below the surface, or to calculate exactly how much stress it will take to break the rock that will allow the fault to move, causing an earthquake. That's not to say that we are not trying. Seismologists c... |
What causes that "brain freeze" sensation? | [
"To quote [mobilehypo](_URL_0_), a medical laboratory service panelist: > It's referred pain from your palate via the trigeminal nerve. This nerve serves your head, but it passes by the palate. When it senses the constriction of local capillaries caused by the cold, voila, ice cream headache. The brain interprets ... | [
"Good question. I hope you get an answer from someone who knows. It is an amazing stress reliever and always a surprise when it happens. There is a special connection you have with people with whom it happens often. It seems a very human experience."
] |
Why are some people very light sleepers and will wake up at the drop of a pin, while other people are extremely heavy sleepers and can sleep through a brass band? Why aren't all adults roughly similar in their ability (or inability) to sleep through noises? | [
"_URL_0_ Basically some peoples brains are just better at blocking out noise then others."
] | [
"One of the coolest properties of waves are that they are linear, meaning you can add them together to get a new wave. That new wave obays the wave equation just like the two original ones. So check this out here is a plot of sin(x) and of sin(2x) and of their sum. _URL_0_ Notice that two of those plots just look l... |
If 1/∞ is equal to 0, why isn't 1/0 equal to ∞? | [
"what you are looking for is an operation called limes. lim (x- > ∞) 1/x = 0 [read: for x to ∞ 1/x equals 0] and your question: lim (x- > 0) 1/x - > ∞ [read: for x to 0 1/x is near ∞] the function lim(es) is only an approximation of the real solution. but as we dont know what ∞ is we can only asume what would happe... | [
"Light does travel slower in air than in free space, but this is caused by refraction, which acts very differently from friction. Friction is the result of the electromagnetic forces between the atoms on two surfaces near each other such that these forces oppose the direction of motion and cause kinetic energy to b... |
How does a car spin it's rear tires without actually moving? | [
"To add onto what others said: this is NOT to show off. Burnouts are done to warm up the tires to increase grip."
] | [
"Pawning is getting a loan but instead of you getting a loan based on your credit or income you get a loan based on an item. For instance, say you need $5,000 for whatever reason. You would take your car of something worth much more the $5,000 to a pawn shop. They will take your car and give the loan to you. You th... |
Why is it socially acceptable to take pics of strangers and shame them online without their knowledge? | [
"I don’t think it is socially acceptable and I agree with you that it’s a terrible thing to do. I bet that the people who do it wouldn’t appreciate it being done to them."
] | [
"Context is important. I'm not surprised to see a hot dog at a hot dog stand. I'd be surprised if I opened my wallet to pay for a hot dog and it only had a hot dog inside. I'm not surprised to see beach clothing at a beach, but would be concerned if I'm about to go into surgery and the surgeon shows up in a speedo.... |
Why carbohydrates are at the bottom of the pyramid and sugar at the top, when they're basically the same thing (glucose)? | [
"Because the food pyramid is bullshit and was mainly promoted by American farmers and the United States Department of Agriculture, who, as you might guess, wanted to sell more of their products."
] | [
"Goldsworthy, quoting Xenophon (Greek) and Frontinus (Roman) says that the bravest men were kept in the front and back. The front guys need to be brave to actually fight, while the guys in the back need to be brave to not only not run away but also keep other people in formation from running away. (IIRC at Hastings... |
What's the difference between uninstalling an application and just simply deleting it? | [
"Many applications are not fully contained in their installed folder. Many times there are files that the app needs in certain locations, such as your windows folder or fonts folder. Now these files are not for any other app for the most part. So an uninstaller has a list of all those files and when it uninstalls i... | [
"Ask Reddit is for personal opinions, stories, and the like. Essentially subjective answers to questions without hard answers. Something like \"whats your favorite food\" is a good post there ELI5 is for getting a simplified answer or explanation to a question that you don't understand. A good thread here would som... |
Why doesn't NATO band together and sort out ISIS? | [
"NATO is an alliance, it's already \"banded together\" by definition. The problem is there is no way to \"sort out ISIS\". ISIS is a collective of individuals, they don't have a headquarters, a capital, or even a nation at all. It's like asking \"why can't we just kill everyone with a birthmark on their ass?\" Fir... | [
"Money and politics pretty much, NASA's budget is nothing compared to what is used to be and back then US was completing with Russia to be the first to the moon"
] |
They say that 100 species that we don't know about go extinct every day, but why should people care at all? | [
"I can think of a few reasons: * If species are going extinct faster than usual, this is an early warning signal that something is going wrong with the planet. Like the death of a [canary in a coal mine](_URL_0_). * Diverse ecosystems are more resilient to change, so keeping more species alive in a forest (for inst... | [
"Think of it like a balloon you are trying to blow up. You can start huffing and puffing with great abandon as the balloon isn't going to pop. but when it gets to certain size you start to worry, You want the balloon bigger but you worry it might go bang. So you have to slow your puffing down."
] |
AMA: Ronald Reagan and the Iran-Contra Affair | [
"Was Oliver North really just a scapegoat for the big fishes?"
] | [
"There's a ton to unpack here, but I think a great start is /u/anthropology_nerd's [Myths of Conquest](_URL_1_) series over on r/badhistory. Also, see /u/Snapshot52 on [American Indian Genocide Denial](_URL_0_). There's also some useful information in the [FAQ](_URL_2_)."
] |
Theory Thursday | Academic/Professional History Free-for-All | [
"Way too quiet in here! Everyone seems to be watching the World Cup... A technical question: How does everyone search for book reviews? Is jstor's search usually comprehensive enough when it comes to history/humanities journals?"
] | [
"Just to clarify what namer98 told us mods when asking if it was okay to post this: All questions need to be submitted to Professor Sarna **by email** before the AMA. It is not \"live\" like the AMAs we host here in AskHistorians. So, please go to that r/Judaism thread to post your questions **before** the time of ... |
A helium balloon goes up. It gains height (potential energy) and speed (kinetic energy). Since energy is conserved, where is the lost energy? | [
"The air that it displaced has gone down."
] | [
"Kids don't have more energy than adults. Adults can outrun, out walk, and out perform in any energy demanding task there is. What kids have is excitement and playfulness. It is more of a psychological drive than anything else. If an adult is truly motivated or excited about a sport or activity, you can see that ad... |
Why is it that it takes me 3 seconds to render one high res photo on the internet, yet I can render an HD video which contains thousands of HD frames almost instantly? | [
"You don't; you simply render the first frame as you watch it, and your machine begins rendering future frames in the background as you go. A single frame of HD video is also much much smaller than a high-res photo. \"HD\" just means more than 0.4 megapixels. The most common form of HD video is 0.9 megapixels, and ... | [
"It has to do with your sleep cycles. For the average person, a sleep cycle will last around 90 minutes. You have light sleep, medium sleep, deep sleep, and REM sleep, and they all take place within the cycle. When you wake up during REM sleep (at the tail end of the 90 minutes), you feel a lot better than when you... |
Why does it seem like every gas station has flats of water stacked up out front of the store? Is there a special reason for this? | [
"Water is a big seller as we approach the hotter months of the year. Most gas stations don't have a lot of storage space (basically none). So for a very high volume product like bottled water they just stack it up."
] | [
"Supply and demand. People are willing to pay more for the portable .5L bottle when they are out and just want to grab something to drink. It's an \"impulse buy.\" But the 2L cokes are to be brought home and put in the refrigerator and drank over a period of time. So, it is less about the materials and more about t... |
What causes the clouds to have this ripple effect? | [
"Ah, that's one of my favorites. That's the Kelvin-Helmholtz instability, which occurs between two different layers of fluid moving with two different velocities. Waves on the ocean are another example of this, where air moves over the water, creating ripples (water waves). In this case, the clouds are forming at t... | [
"Actually, Isaac Newton studied the exact thing you are talking about. It's called a phosphene, and it's created by the stimulation of the retina by means other than light, such as a magnetic field or an electric current. In your case, it's simply the physical pressure exerted on your retina. [Source](_URL_1_)"
] |
What is the Christian trinity? | [
"**Father**: God in his omnipotent, omniscient role of Supreme Being. **Son**: God in his mortal, human role. **Holy Ghost**: God in his ephemeral, spiritual role that is supposed to permeate the heart of Christians."
] | [
"This CGP Grey video does a really good job of explaining it all. _URL_3_"
] |
Why monitors were introduced when we had TVs ? | [
"Back in the 80s, people would use TVs as monitors. You needed an RF modulator to hook it up. Source: had a computer in the 80s"
] | [
"Your asking essentially the chicken or the egg. Example, Did you stomach evolove first and create your brain and extremites to feed it. Or did your brain grow your stomach to power it. Har to say, as without something to feed the stomach, we would have no stomch. Without the brain to run everything, we wouldn't ha... |
When an iron core or iron bar is wrapped around a solenoid with current passing through the solenoid, what is happening within the iron bar? Do electrons in the bar get displaced due to either the electric or magnetic field? Or is nothing special happening at all? | [
"The bar is being magnetized by the field created by the solenoid. The individual magnetic domains inside the ferromagnetic material are (mostly) aligning with the direction of the external field."
] | [
"The equations of motion for the EM field, Maxwell's equations, are linear. This means that if you sum sources (charge distributions) you get the sum of the fields (superposition principle). However, if you allow the charge themselves to be moved by the EM field (according to the Lorentz force equation), the couple... |
Were CO2 levels ever higher than they are at the moment? | [
"Yes. It is currently the highest it has been in 3 million years, but it has been higher in the past. For example, during the early Jurassic period (dinosaur times) it was five times what it is now. Also, oil isn’t “dead dinosaurs”. It is vastly more ancient dead plankton."
] | [
"That's quite a big topic. The [IPCC](_URL_0_) would be a good place to start; there are reports that cover most of those questions."
] |
Why do some people feel the urge to bite and nibble to show affection? | [
"Good question!! I do it a lot and have no idea why. I suppose it's a kind of primitive thing. Animals do the same. They nip at us and"
] | [
"Dates back to ancient Rome. In a lot of old languages, they hadn't invented the space or the period yet. Like just long unbroken strings of letters. So they started making the first letter of a word huge to indicate new paragraph. The tradition kept, and in the middle ages, they'd hand write/paint a huge fancy let... |
Why are the actors cast for roles in which they play a child or young adult usually older than their role? | [
"Kids are difficult to control, and you can't be as mean to them as you can an adult. There are definitely adult actors who behave like children (or worse...I'm looking at you Christian Bale), but on the whole adult actors are more 'mature' and professional than children. Children also have special protections in ... | [
"When you take a pill it's not 100% the labeled medication. There are other ingredients that help it do its job and release when and how it is supposed to. Sometimes a medicine needs more extra ingredients to do its job so you end up with a bigger pill."
] |
How do people, or companies, with large sums of money, win court cases they "shouldn't"? | [
"Court cases can be complex, and there are countless little ways you can raise new questions and drag it out, so that unless your opponent has lots of time -- and the ability to pay a lawyer for lots of work -- they may just give up. So a rich company may just keep making the case more complicated until their oppon... | [
"many political assassinations could be linked to him? Think the answer may be in the question if you control the media and the legal system you can get away with nearly anything."
] |
Corticosteroids use with Asthma | [
"Ahoy, matey! Yer not alone in askin', and kind strangers have explained: 1. [ELI5: How do corticosteroids help you get better? ](_URL_0_) ^(_3 comments_) 1. [ELI5:The difference between different Asthma medications ](_URL_2_) ^(_3 comments_) 1. [ELI5: What is the difference between a Non-Steroidal Anti-Inflammator... | [
"This is really interesting, I’m going to read the paper and get back to you on this. To make an educated guess I would say the effectiveness of chemo is dependent on if metastasis has taken place, depends on the type of cancer, etc. Some cancers are more susceptible to chemo than others, typically we’re giving a c... |
Why I see colours and patterns when I close my eyes | [
"Just to get you started, these are called [Phosphenes](_URL_0_)."
] | [
"Anthems are designed to do this. I don't know exactly what it is, but many anthems have similar effects.try listening to some other ones."
] |
Is the 5 second rule true? | [
"No. The easiest analogy for bacteria on the floor is to think of it as a layer of ketchup. You drop your Oreo on the floor, it lands in ketchup. No matter how quickly you pick up the cookie, it is coated with ketchup. Bacterial contamination is just like that."
] | [
"This video created by Vsauce 3 (Jake Roper) does a very good job explaining this: _URL_1_ I hope this answers your question. He also did another video on a simmilar line of - could you survive: _URL_0_"
] |
How did chemists first calculate bond angles? | [
"Bond angles were first measured by analyzing the infrared spectra of a molecule to determine at which frequency the bond vibrations resonate with the frequency absorbed by said IR light. With this information, you could assume that the bonds act like springs and the atoms as weights and determine the angles of the... | [
"We use spectography. Each element absorbs particular colors, so when we see those colors deleted from an otherwise smooth spectrum, we can figure out what they're made of. In the case of."
] |
After talking with some co-workers, I'm naturally curious: Which came first- the tie or the collared shirt? | [
"The tie was first used by Croatian mercenaries fighting for Louis the XIII in the 1600's. At the time it had a function besides being an accessory, and that was wiping sweat or blood from your forehead. Some soldiers wore it over their shirts, which had no collar but some wore it plain and thus one might come to ... | [
"The internet predates websites. Back in the day, there were several types of non-web internet sites you could go to, and they often used different prefices: * ftp - upload and download files * telnet - miscellaneous text based interface * gopher - text based hyperlinked site So if it was 1993, and you were at Stat... |
; why do lights in the distance seem to flicker? | [
"When you are at the bottom of a pool and you look up the world seems to shimmy and wiggle around because of the water above you. It interfers with light passing though it. The atmosphere does the same thing, but to a way less extent (gas vs liquid). But there's also A LOT more atmosphere so you look for 1 directio... | [
"If you can accept my passing knowledge of the matter before someone more qualified shows up, it's in how digital cameras capture images. Rather than capturing a single giant frame like film cameras, they scan a frame progressively, line-by-line. This results in artifacts with fast-moving objects such as plane prop... |
Why do conifers have a full duplicate of their genome? | [
"Plants are very tolerant of polyploidy (having whole extra sets of genes). They tend to just grow bigger. If you're a tree in a forest, growing bigger than your neighbors and getting first dibs on the sunlight is an awesome advantage, and soon everybody's doing it."
] | [
"Compared to what other mammals? All of the other large primates, dolphins, elephants, rhinos, giraffes, seals and other pinnipeds, equines, wild cattle worldwide, wild goats, wild sheep, deer and other cervidae, llamas...all have a single baby, or rarely, twins."
] |
Is it common to see tablets using gods from many faiths to curse people? like the example in the text | [
"It was certainly common for Romans to use led tablets to send curses to the gods, and was practiced across the entirety of Rome. I mention that part because it was also common for Romans to acclimate local gods into their own pantheon. For example, in Bath, England many such tablets where found invoking Sulis. \"I... | [
"If the breeds are very different in size a female from a small breed might have trouble delivering puppies sired by a large breed dog. This might cause damage to the female. So she might be 'ruined for life.' This may be the source for the rumor you heard. Crossing a large breed female with a small breed male woul... |
How can we determine the size and distance of galaxies and stars? | [
"We aren't just looking at how red an object is when determining red shift. We're looking at how the object's emission lines line up with where we know they should be. Every atomic or molecular substance will absorb or emit light in very specific bands of wavelengths. Checking where we observe these lines (for exam... | [
"Okay think about it like this. Suppose you have a liquid and you don't know anything about it. You want to know if it's water. So you take an 1/8 of a gallon of water and weigh it. Then you weigh 1/8 gallon of the mystery liquid. Then a quarter gallon of each, then 3/8 gallon of each and so forth until you've we... |
How exactly do benzodiazepines affect the brain? | [
"Benzodiazepines binds to certain types of gaba receptors on the brain, by doing so, they will decrease neuronal activity and will prevent an over-excitation of the central nervous system, this is why it has a calming effect, benzos are depressant of the central nervous system by : they basically calm it down. When... | [
"Imagine you're trying to find a coffee shop in a city. If you've been there recently, it should be pretty easy to find. If it's been 10 years since you've been to the coffee shop or the city, it might take you a LONG time to find. It also might take long to find if you've been to other, similar coffee shops in the... |
Why do people hate Ayn Rand | [
"The basic idea of her philosophy is that you should be selfish all the time. Most people hate that idea."
] | [
"\"Just about everyone here\" Where is \"here\" for you? It sounds like your question's premise is based on a small sample set based on personal observation. Before your question is addressed, you should be making sure the premise is valid..."
] |
Has there been proven to be something in space that is the opposite of a black hole, something that won't let light in rather than out? | [
"What you're thinking of is called a white hole, but they aren't expected to exist. Black holes are thought to occur as an end-stage in the evolution of large stars, but not so for white holes. However, you can make an analogy of one in your sink. If the faucet flows water into the basin fast enough, there is this ... | [
"Then what's known as matter would be called antimatter and what's known as antimatter would just be matter. Like /u/BrentOGara pointed out, electrons would be positive (they'd be positrons) and protons would be negative, but that's debatable because our definition of positive and negative charge is arbitrary too. ... |
Does every car in existence have a different key and how do manufacturers make sure keys are not duplicated ? | [
"They do use duplicate keys. I was with a friend when his dad unlocked and started someone else's car (same colour and it was parked a few spots away) before realizing what had happened. Turns out the actual owner of that car saw us getting in and was understandably freaking out and came running over to her car scr... | [
"In cities and towns there are organizations whose job is to keep track of traffic on their roads and highways. These are usually radio or tv stations, but some larger cities (LA or NYC) have specially designated groups who just keep track of traffic. All of these places have databases that are constantly updated ... |
Why did LBJ not have a Vice President after Kennedy was assassinated, but Gerald Ford had one after Nixon resigned? | [
"Prior to the adoption of the the 25th amendment in 1967 there was no mechanism to allow a mid-term VP replacement. Presidents and VPs were to be elected only during regular years. If a president had to be replaced the just went down the list to find the next appropriate successor. So when Johnson replaced Kennedy ... | [
"The death of Baldur is a prophesied event, and not something that was to have happened already. Völuspá is divided in three parts, so to speak. It begins with the Völva, which is a seeress or a prophet, recounting the creation of the world, then she talks about some of Odin's secrets to confirm her powers, and the... |
Why does depression in young people seem so common now? | [
"Being diagnosed just means it's enough of a problem that it's medically concerning, not necessarily that they have a life-long mental illness. Plenty of psychiatrists are a bit dubious on given a diagnosis at all to teenagers that aren't showing severe symptoms being as teenagers are really prone to mood swings an... | [
"Can you please give an example of \"everyone\" and of what \"recent reports\" your referring to? This is an incredibly loaded statement"
] |
If Time is warped by curvature of 'Space', which is warped by mass, is there a Time "constant" we can infer? | [
"Your question is sort of confusing. If you're asking if there is an absolute reference frame, there isn't. If you're asking if gravitational fields affect measurements of time, they do. If you're asking if there's a conserved quantity that's sort of like time but immune to relativity, it's called proper time."
] | [
"Both special relativity and general relativity affect clock rates. * **Special relativity:** Faster moving clocks run more slowly, so a low orbit (fast moving) clock runs more slowly than a high orbit (slow moving) clock or than a stationary clock on the Earth. * **General relativity:** Low altitude clocks run mor... |
why do music artists lip sync? | [
"I think that dancing is the cause of most of it. Many artists today are more \"performers\" than singers and their shows are carefully scripted and choreographed. Much of that choreography requires dancing and a panting person is not going to sing well. It's better (I suppose) to have the performer lip-sync while ... | [
"This is a very common question. You can use search to find [all the other really good answers](_URL_0_ ). This is instant, and faster than ust typing in your question every time. It's a way of cheating elections. Read the others, and then ask a more specific question."
] |
Why can't someone plead the 5th amendment to every question a judge has and be released because they have no proof? | [
"Well if the defendant's testimony was the ONLY evidence they might have had, the case would not even make it to the court. If it does, it's safe to assume that there *is* proof."
] | [
"I don't think this is a very good topic for ELI5, but here's my quick attempt: A lot of things happened on 9/11 that have never happened in the history of America. Because of this, many people don't understand some of the more specific moments of that day. Everyone knows what the big picture is, but the argument i... |
Does the color temperature or spectrum of sunlight change over time? And if so, how fast is this change and how does it affect things on Earth? | [
"The color temperature of the sun will change over time as the sun begins to use up the hydrogen in its core, becoming more red as it begins to fuse helium into carbon. It is a [main sequence star](_URL_1_) and is slowly moving toward the red end of the Hertzsprung Russell diagram. For our sun, it will be approxima... | [
"Like instantly? We'd all keep moving at thousand miles per hour. We would all die pretty much instantly. The only people who might make it would be in the air. I'd imagine the oceans would fuck shit up too. Imagine the Pacific Ocean, all of the Pacific Ocean, all at once, rushing into California at a thousand mile... |
When should I change the blades of my safety razor? | [
"I assume you've got a classic safety razor. If so, once a week (or, 3-4 shaves) is a good estimate. But, I suppose that also depends on how coarse your hair is. Mine is really rough feeling, so 3-4 times. A good general rule of thumb is any time you feel the razor begin to \"tug\" on your hairs, it's time to chang... | [
"The cost of doing so exceeds the off chance you are going to drop your phone in the toilet. Also, since most people get a new phone every two years or so, it doesn't make that much sense to invest in durability."
] |
Why do clocks sometimes tick one second backwards? | [
"I'm at work too ;) Is this a real thing, I have experienced it but I don't think they generally tick backwards?"
] | [
"There is a back door into every house. People put alarms all over their house. Have a key? You can get in the front door. When you need to break in you use the back door. Now only bad people use the back doors. So when someone comes in the back door, the alarm goes off. Your crack is a bad person, technically. He ... |
What does IBM do these days? How do they make money? | [
"IBM isn't close to being dead. Their revenue is still in the order of over 100 billion USD. The difference is that they've moved on from consumer goods to goods oriented towards large businesses. It became removed from public knowledge, similar to how few people talk about ARM Holdings (despite the Arm Architectur... | [
"[From Wikipedia](_URL_0_): > De Beers currently sells approximately 35% of the world’s rough diamond production through its distribution subsidiary, DTC. [And later](_URL_0_#Diamond_monopoly): > In 2000, the De Beers business model changed due to factors such as the decision by producers in Canada and Australia ... |
If an internet provider promises a certain speed to its users, and connection tests show far worse than that speed, is there anything the customers can do about it? | [
"Other than what everyone else has said about talking to the ISP, getting a technician over, etc. there's one thing that comes up often. Really really make sure that you aren't confusing megabits (Mb) and megabytes (MB). ISPs will almost always advertise speeds in Mb/s, but something like your web browser or Steam ... | [
"Simpler explanation: I write you a letter that says \"This letter was sent from < my address > on < date > and < time > . Please send me a letter back as soon as you get this, with the exact time and date you received this. You follow the instruction and send the second letter back to me. When I get your letter, I... |
If the Sun that we orbit is a yellow sun then why can its light be refracted to show all the colours of the spectrum? | [
"Because the sun isn't yellow. [It's white](_URL_0_). The reason it looks yellow is because of the variable transmissivity of our atmosphere - the components of our atmosphere do a better job of filtering colors that don't appear reddish-orange. This is why a setting sun is this color. When it's higher in the sky, ... | [
"I'd say to be careful using \"later\" emitted. It's tough to get into the specific details of what \"later\" means here. That being said, think of a photon causing the electrons to move in the surface (like a metal with free electrons to move). But the way the electrons move creates a photon of their own that app... |
Is there a way to create artificial gravity in space? | [
"There is only one way to realistically create artificial gravity: acceleration. Perhaps the easier way is to create a spinning cylinder. That section will only have earth-like gravity at the on the inner surface of the cylinder--nearer to the axis the gravity will be less. In this scenario, you'd feel a centrifuga... | [
"Work is being done on getting spinal nerves to regrow and attach. So far its still in the rat testing stage but they are having good results. Also, there have been experiments with jumping the gap with electronics technology that are also showing promise. Turns out, if your can transmit the signals reliably across... |
Is it possible for humanity to change the climate of the Sahara? And if could and did would it be a good thing or just make the climate worse somewhere else? | [
"I've read a very interesting article in a French science mag, about how the giant sandstorms send enough sand over the Atlantic to dry the air a bit, and slow down hurricane formation. Can't find it anywhere though, but it means that making the Sahara green would block that effect, and likely create stronger hurri... | [
"Imagine you had several separate stereos that each played one element of a song; One stereo for the lead vocals, another for the bass, another for the keyboard, etc. In that scenario, you could adjust the volume and equalizer of each stereo separately, turn them on and off at will, change the timing of when each e... |
How Pokemon GO works. | [
"The basics of it are fairly simple. It uses your phone's GPS to know your location, and it makes polimon appear when you \"look around\" using the phone camera. The locations to find pokemon are culled from a list of public interest locations the same as any GPS program does. So it knows where public parks and th... | [
"IP addresses can be used for a rudimentary location fix, but they're typically rather inaccurate (limited to the general region at best). Much better location data can be obtained by analyzing which WiFi networks your device is able to see. Google has a database of WiFi networks and their physical location (send f... |
Are there any cases of other animal species displaying symptoms analogous to human mental conditions (such as schizophrenia, depression etc.)? | [
"Zoochosis is a term used to describe animals held in artificial environments that proceed to display aberrant, compulsive behavior patterns. Abnormal behavior can include repeated pacing, rocking (pervasive developmental disability/Autism), emesis (bulimia verosa) overgrooming (trichotillomania), coprophagia and s... | [
"Xenotransfusion has been attempted in the 1600s, with mixed results, with sheep blood. Ape and chimp blood might work, as would pig blood as they all have similar Rh factors. Source: _URL_0_ Also, dog to cat transfusions can be done, bit only once as the cat will make antibodies to the blood. Also, apes, dogs, ca... |
If you were to drop a small insect, such as an ant or a grasshopper without the ability to fly, from a high latitude like the Empire State Building, would it die? Why it why not? May be a stupid question but my reasoning below, albeit illogical | [
"The [terminal velocity](_URL_0_) of smaller animals tends to be smaller than that of larger animals. The terminal velocity scales with the square root of the mass to drag ratio. If you consider objects from the same material and geometry than the mass scales as the volume, so r³, while the drag depends on the area... | [
"In a related question, what are the odds of surviving being stabbed in the belly and falling into the river which runs through a major city in the same time period?"
] |
Why is the taste/smell of licorice so polarizing? | [
"This is the same with most bitter foods like coffee and beer. People have an inherent disgust for things bitter and you have to learn that something bitter is good. After you have related the bitter taste of licorice with the sweet taste, or the bitter taste of beer with alcohol you start ignoring the bitter taste... | [
"When you tell a child \"don't ever lick cold metal\", you'll often find the kid with his tongue stuck to a metal pole as soon as you turn your back, even though it would never even think to do that if you said nothing. It's called reverse pshychology, and it applies to most people. You could say we just don't like... |
In the Paralympics, why are the wheels on the wheelchairs angled, and what makes them differ from the usual parallel wheels? | [
"It is called [Camber angle](_URL_0_) and the bottom wider then the top is called negaive camber. Some cars have had high negative camber like _URL_0_#/media/File:MillikenMX1CamberCar1960.jpg Cars have not parallels wheels but a have a both negative or positive camber in the region of a few degree so it is not visi... | [
"They have indeed prioritised their own products by adding a special little chip called the W1 chip. This chip still uses Bluetooth but allows the AirPods to talk to Apple devices quicker than a normal Bluetooth connection, it also helps extend battery life and increase the distance data can be transferred. The W1 ... |
Did cavalry (during any period) suffer from horse pileups? | [
"Related question - is the cavalry-filled lane during the Battle of Waterloo as described by Victor Hugo in Les Miserable at all accurate?"
] | [
"Hi readers! Since questions like these often attract anecdotal answers, just a quick reminder: you are in /r/AskHistorians, so do ensure that answers are comprehensive and informative, and based on solid source material. Personal anecdotes or other casual chitchat/speculation/opinion are not accepted as answers he... |
Why is silver a higher rank than gold in the military? | [
"The Army just didn't care about the value of gold vs. silver. \"In 1851, the colonel’s eagle was prescribed in silver only. Apparently when it was decided to use only one color, the silver eagle was selected based on the fact that there were more colonels with the silver eagle that those with gold\" The army thoug... | [
"[The Straight Dope covered this](_URL_0_). Basically, they started out as being made by two different production teams, but after a certain point, they became essentially interchangeable, but they kept both names going."
] |
How do extremely large businesses like Disney World make sure no one is inside when they close down? | [
"Disney never fully closes. When the park goers leave the night crew comes in. I suppose if anyone is still there they will be asked to leave."
] | [
"It's because the cost of labor is cheaper. This impacts the price of everything. Imagine that every job in the entire country is done for 1/5 of the pay. You can see how this would make a hotel cheaper to build, cheaper to stock with food and drink, and cheaper to manage and run."
] |
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