query stringlengths 8 249 | answer stringlengths 45 7.8k |
|---|---|
How are nuclear reactions started? | More or less. Fissile material constantly emits neutrons, but when you only have a small amount of the stuff, most neutrons escape the bulk of the material before meeting another nucleus and causing another fission event. In this case, the neutron emission is only due to spontaneous fission because the material is radi... |
What is a SmartGrid and/or MicroGrid? How are they beneficial to the public? | Microgrids can power a small area on its own, but also generate and store electricity and then use that stored energy to pump back into the rest of the large public grid. This means less power outages and more reliable electricity. You can check out _URL_0_ for a good breakdown of information and some useful links. |
There are always campaigns to "stop global warming". Can we actually stop global warming, or are we just delaying it? | If everyone in the world was to cooperate, we absolutely could fix it. There's two things that need to happen. One is to replenish our carbon sinks which convert CO2 into oxygen. Basically this means re-planting the world's forests and cleaning up the oceans so the photosynthesizing plankton and algae can return. The s... |
How are diamonds made from coal? | Diamonds aren't made from coal and pressure + coal does not make diamonds. They're both made from carbon but they are completely different. They don't even form in the same types of rock. Coal is dead plants turning into sedimentary rock whereas diamonds are from igneous rock and are formed in the mantle and brought up... |
Why have elephants been tamed as war animals in the ancient world but never tamed for domestic things like farming? | But they have. In certain areas, such as India and SE Asia, they are routinely used for logging in mountainous terrain.But they eat a whole lot, and the upkeep is prohibitively high relative to the increased power available. And considering their size, it is much easier for them to do a lot of damage to people, as well... |
How are things named? | There are a lot of ways things get named. 1. Take its equivalent name in another language. This is what a lot of English is. Chair's origin was from the old french "chaiere". 2. Name it based on its function or origin. "Fireplace |
How do I balance a checkbook? | 1) Start of the month - Figure out how much money is currently in your bank account 2) Through out the month - Keep track of every expense you use your bank account for 3) End of the Month - Figure out what your ending balance is and return to step 1. Your checkbook is now balanced. |
Why are we restricted by airport customs in the amount of cash we carry? | There is no such limit. Above $10,000 you have to declare it to them and fill out a form. It is to fight money laundering; same as the reporting requirements for large cash transactions at banks. You must declare amounts over $10,000, because large amounts of cash are frequently associated with illegal activity. For la... |
How to read a woman's measurements? | Your friend is correct. A woman with a bust of 37 inch means that the measurement of their chest going across their breasts is 37 in in circumference. The Waist is measured at the belly button and if it is 24 that means it is 24 inches in circumference. The hips is measured at the fullest part of the hips and buttocks.... |
SPOILER ALERT: Why is "50 Shades of Grey" so controversial? | It's a book based on a piece of *Twilight* fan fiction written by a random woman with no writing ability whatsoever. It's controversial because it displays a serious misunderstanding of S & M, consent, and healthy romantic relationships, while at the same time is directed at teen girls or younger and has the literary d... |
How Does Vinyl Work? | As the needle goes around the track it follows a little groove, as it does it moves back and forth a little bit following the path of the groove. Those little movements create a small amount of voltage commonly using a piezoelectric crystal , those small changes in voltage are the music. Now in order to hear the music ... |
How does the government track people downloading illegal music? | I am not aware of any evidence of any western governments tracking 'illegal' downloads. Most file-sharing is not 'illegal' in the sense of committing a crime that harms society in general . But it does breach copyright laws. Breach of copyright is a *tort*, a civil crime in which an individual who is wronged can sue fo... |
When it comes to the topic of birth defects, what is the difference between a congenital and a genetic condition? | Genetic describes the source or cause of a condition. Congenital describes the time of onset, that is, present at birth. Note that a congenital condition is not necessarily genetic; it could also refer to an infection, a condition caused by a vitamin deficiency , exposure to a toxic substance in utero, etc. |
Why do I feel tired after eating greasy food? | More than likely it's just the sheer amount of food that you're eating, not necessarily what it's composed of. You don't feel sluggish after eating broccoli and carrots because you aren't going to eat nearly as much. Your body just wants you to calm down for a bit while it works on digesting the giant pile of food you ... |
Why is altitude (in regards to aircraft) still measured in feet, rather than metres? | Standardisation and inertia. The whole world basically agreed to the same sets of rules and measures and even language for flying. There's no real need to go to the expense and hassle of changing it. And no, there's no real benefit to measuring altitude in metres instead of feet. The benefit of the metric system is tha... |
Non HD movies now in HD | Movies used to be shot on film for better quality. There is not a lot of movies that was shot in SD as even when digital cameras were available they still used film. It is just relatively recently when you have HD and 4k digital cameras that movies have started shooting digitally. So the SD movies are usually SD scans ... |
If Netflix runs much better over VPN, why doesn't Netflix offer VPN service to their customers? | If traffic is being throttled from your provider to netflix, it doesn't matter if it is VPN traffic, it will still be throttled. The point of using a VPN is that you are getting to netflix through a remote gateway on a provider that doesn't throttle netflix. |
Why is it that when people shorten 'transgender,' they add an asterisk to it? | This is a highly educated guess, but I believe it's because an * , in computer lingo, is also a "wild card", meaning that it can take the place of one, or several letters. In this case, the person could be talking about transGENDER or transSEXUAL people, so they shorten it, to trans*', "Actually trans person here. A lo... |
The possibility of the world's nuclear powered submarines surviving an asteroid that would end humanity. | The strike, sure. The aftermath, like the loss of all higher life on the planet, not really. Where would they resupply? Where would they get more food? They would be fine, maybe for a year, but is that really "winning" this scenario?', "Submariner, not an astrophysicist, but really depends on alot of things, was the bl... |
When people become paralyzed, why does it seem common that they retain control of their eyes and eyelids? | Paralysis is the result of a "disconnect" between your brain and your peripheral nervous system. [Here is a rear view of your body and major nerves]. The majority of paralysis cases are the result of traumatic injury to the spinal cord, which severs nerve connections. An injury to the lower thoracic or lumbar vertebra ... |
What advantage to companies have for focusing on short term stock gains? | From the perspective of the board of directors, and the "company itself" the single measure of success of the company is shareholder value. In fact, a focus on _anything other than that_ is a shirking of legal responsibility of a board member. So thats the starting point. If your shareholders are frustrated that it's t... |
what causes nail biting and why is it such a difficult habit to break? | Someone correct me if I'm wrong, but I think the chewing action of the jaw releases endorphins , which causes a positive feeling in your brain - this mainly happens when you are anxious, so your body is trying to find a way to relieve or comfort itself. It's also why some people find chewing gum helps them relax. This ... |
Why are boneless wings even called wings? | Because you can't walk into a restaurant and order 20 pieces of "that bomb ass shit"so they can charge a whole lot more for what are effectively chicken nuggetsIt's all part of our expanding language. First there were wings: a clever re-use of an otherwise small, bony, tendon-filled bit of chicken. By adding lots of sp... |
How do people "fail" to commit suicide? | Gun jams, rope snaps, they land into a truck of pillows and cake, etcMost failed suicides are because the method used is ineffective or the person is found and fixed by hospitals before they finish dying.You can jump in front of a bus but somehow miraculously survive . You can try to poison yourself but live through it... |
why is cursive writing the default writing style in Russia but phasing out in English? | It is easier to write Cyrillic in cursive than in print. Д for example is annoying as fuck to write in print for example. Some people write in a mixed fashion with some parts cursive and some parts written. Source: Know a Cyrillic language.Writing in general is phasing out in America. Kids younger and younger are getti... |
why are these hot ass teachers hooking up with funny looking kids? | Because they are pedophiles and mentally ill. They are turned on not by the looks of the student, but by the teacher's position of authority over the student, and the innocence, naïveté, or "freshness" of the sexuality of a young teen. |
Why is everyone cautions about Salmonella, but sushi is okay? | Raw fish in sushi, called *sashimi*, can indeed contain bacteria or parasites. To get rid of parasites, some countries have laws saying that you must freeze the fish at [253 K] for many hours. Many parasites freeze to death at such low temperatures. However, other foods, like ground beef, often do not have such laws ab... |
Why is noon 12PM rather than being 12AM? | AM means ante meridiem or before midday. So 12am is 12 hours before midday. PM means post meridiem or after midday12:00 and 12:01 have the same suffix. Since 12:01 is "post meridian" then 12:00 gets the p.m. suffix as wellGoogle Define PM; PMis defined as post meridiem in Latin, which means after 12 noon Google define ... |
What is the difference between being intelligent and being intellectual? | To be an intellectual you have to be interested in certain things: art, politics, philosophy, science. Plenty of smart people don't give a hoot about those things, but interest in them tends to track with intelligence. |
Why do most cartoon characters have four fingers on each hand instead of five? | Easier and faster to draw, and because early animators dit it, it was adopted as the style. Some cartoons do not do this, most recently noted in the AdultSwim show "Rick and Morty" where characters sport all 5 normal digits. *EDIT: I accidentally a words there.Four fingers are easier/faster to draw. Also finer details ... |
How do you make/manufacture glitter? | Colored foil and lots of little kids with scissors in china._URL_0_ I can't believe someone is asking this. It isn't a very interesting manufacturing process. As you wouldn't imagine cutting plastic up in to little bits is. |
Why are streaming services offering such widely different content based on the country like netflix in Sweden vs usa. | Streaming services have to pay the content providers a licensing fee for each separate market so it's primarily an economic decision - will they make enough money out of having that particular show, etc available in that particular market to justify the cost. But sometimes there are local laws that might prevent someth... |
Why did my black goldfish turn orange? | You could 've just googled it, but here's my five cents. Source: Had lots of goldfish in my garden pond when I was younger. Goldfish hatch black and turn orange during the first years of their life. Some of them are "early" developers and turn gold within their second year, some of them take five years, occasionally ev... |
Why do special effects and CGI cost so much money? | It's not just a program. It's the team of people needed to use those programs. Within the CG world, people tend to specialize. There are modelers, animators, texture and lighting people, compositors who put effects into footage, and so on. Each of those elements is hugely difficult and typically requires years of train... |
Why don't they make 2 liter soda bottles rectangular? | Storage containers for items under pressure , are round because the items inside are pushing outward. Corners and seams are weak points, so a round shape minimizes those places, to help prevent blowoutsBecause it would take more plastic, it would be more expensive to make and squares are not really good when it comes t... |
How do scratch and sniff stickers work | An adhesive mixed with an ester is stuck onto a piece of paper. Then, the smelly area is sprayed with an easily-scratched substance, which also blocks the scent until the smelly patch is uncovered.I'm a print press operator and the way it was explained to me was that there is something called microencapsulation technol... |
How does cat litter work | It's also conditioning. We teach them that this is where they go and since they naturally want to bury their droppings it works for everyone |
A presidential pardon decades after death | Basically it's just to officially acknowledge that the person was innocent. It brings some justice to the family |
Why does blood go to someone's mouth when they're stabbed? Is this a real thing that happens? | Well if they are stabbed in the lung it would fill with blood and they would be forced to cough it up, same if their intestines were punctured blood would eventually make it to the mouth |
How can American Airlines file for bankruptcy but continue to buy brand new planes? | They're in Chapter 11 bankruptcy. In a Chapter 11, a business continues to operate as usual, it just goes through a judicial proceeding to create a "plan" to restructure its debt. There are certain restrictions on what a business in Chapter 11 can or can't do, but for the most part it's business as usual. |
What is the science behind ICBMs? | The B stands for Ballistic, which means that the missile is boosted by rockets to a high altitude, then falls back down unpowered at an extremely high speed - something like 7 km per *second*. The sheer speed, combined with the lack of flames out the back, makes an ICBM extremely hard to track and intercept, by design.... |
How and why does fever cause dehydration? | A fever is a consequence of the body fighting an invader. Many pathogens can thrive at normal body temperature, but they break down and die at slightly higher temperatures. Much like when exercising, the energy used increases body temperature which causes sweating and water vapor to be exhaled from the lungs. Many feve... |
how long does foreclosure take? | Depends on the state, the loan documents, and whether any payments/work out attempts were made. Typically, people don't just stop paying intitially, and when the bank starts the process, state law mandates how many times and how frequently the sale must be advertised. Further, some states require a judicial finding pri... |
The theory that drinking *more* alcohol will cure a hangover. | Hair of the Dog, as it's called. It's simple. You get drunk enough to not feel the pain of the hangover. Physically, your brain stem is still dehydrated. You've addressed the symptoms, but not the cause.I 've always heard this called "hair of the dog" . The idea is to postpone the hangover until a later time. And while... |
How can states legalize marijuana when using/having it is a federal offence? | Through the 10th amendment. Powers not expressly delegated to the federal government in the constitution are reserved for the states. The only way to grant the federal government additional powers is by constitutional amendment. States with marijuana initiatives are asserting that the federal drug laws are unconstituti... |
Why is so common in the NFL to make the Super Bowl or at least make the Playoffs without making the Playoffs the previous year as opposed to the NBA? | 1. Football is a more team oriented sport. A good Quarterback can't do much on his own, nor can a good Cornerback prevent an entire team from scoring. 2. You're only competing against 3 other teams for an "easy" playoff spot, since the top teams from each division automatically make it to the playoffs. And then you hav... |
Why are .jpg's so bad? | Jpeg is good for for photographs or other things that have lots of subtly different color gradients, but aren't great for things like logos or line drawings, or other things with sharp color transitions, or things that require transparancy, which jpeg doesn't support. Use JPEG for photographs and PNG for logos or drawi... |
why can't we bring in sealed beverages through TSA checkpoints but we can buy those same beverages on the other side at 200% markup? | For the fear that you might have sealed the beverage yourself and it might actually contain gasoline or other dangerous substances instead of an actual can of cokeI bring an empty water bottle from home and fill it up from a water fountain when I get through security.If you wanted to take out an aircraft under the curr... |
How do generations work? | A generation is an arbitrary grouping of births between certain dates, usually determined after the generation has peaked to describe their sociopolitical outlook or major events in world history. The Lost Generation are those born at the end of the 19th Century, who would have fought in World War I. The Greatest Gener... |
Why does Islam prohibit the consumption of pork? | Pigs can pose a considerable health risk and are not always safe to eat. Officially they're unclean animals, but the more probable and sane reason behind banning the consumption would be to try to discourage people from eating things that'll make them sick. Undercooked pork can be very dangerous if the pig was carrying... |
safest position to take in an electrical storm | If there is no possibility of shelter, I believe the best advice is to crouch down, as low as possible, arms round knees so you're presenting a round profile. That prevents any narrow projections that concentrate charge. Remember that the leader goes upwards first. Feet together so there is only one small area of conta... |
If Anxiety is just the response to danger manifested by producing adrenaline (Epinephrine), why is it not possible to create drugs that stops production of Epinephrine? | MD here. In general anxiety has lots of causes but all of them lead to neurotransmitters inbalance.To treat this imbalance we use mainly antidepressants.We also use bensodiasepines for acute panic attacks to slow down our central nervous system by increasing GABA in CNS.Cognitive behavioral therapy is the third option ... |
Why can authorities seize the .se ccTLD for The Pirate Bay but not the .org gTLD? | Different TLDs follow different countries' rules. In both Sweden and the US, the government isn't allowed to arbitrarily seize domain names- they have to follow some procedure, probably involving the courts, to do so. Swedish law and legal procedure allowed the government to get an order to seize the .se domain. US law... |
Fundamental differences that set us apart from other animals? | Humans are the only species who can understand abstract information. For example I could point to a door and tell you what is on the other side of it. You would understand without having to open the door. You would know if it was safe to open the door. No other species has this ability, yet all human cultures have this... |
Why do people become workaholics? | I have been working 60 hr weeks the last two months. Took a 4 day weekend and spent half the time on phone calls for work. I don't know why |
Why would male public toilets in America start being raised 6-10 inches? | In 1990 the Americans with Disabilities Act was put into place to make accommodations for people with mental and physical disabilities. Over the years, there have been a few amendments to this act. Businesses and other public places must stay updated with the rules of this act when they want to remodel or make other ch... |
Why aren't insects as scared of humans as squirrels, birds, and other wild animals? | Most insects never interact with humans. Why would they need to be instinctively afraid? Also, many species do run away when confronted head on by your menacing fingertips. Try it with black ants.Individual insects don't have as much invested in their life so the loss of an insect wouldn't be a huge problem for the pop... |
How does the laser/photon cannon work? (Apparently installed on the USS Ponce) | This is a late night post. A laser focuses the light. It energizes the photons and then once they have enough energy, they get released in a certain direction.The damaging part of these photons are: 1. The energy they carry transfers to heat when hitting a missile, or craft. Both need aerodynamics to work. Missile may ... |
How does the human body tell when it's thirsty? | Through a complicated systems that are connected to the kidneys , the brain, and individual cells that are dehydrated. Cells will send signals to the brain, which then signals the kidneys to reuptake fluids. But that's as simple as I can explain it. Maybe someone else can do better. |
How do services like Pandora and Spotify work | same way any business operates. sell it for more than you buy it. if it costs $10,000 for Pandora to buy the rights for a song, and they play it on 1million users and get advertising $0.01 per play, then that's profit. |
How does the music industry still make the same amount of money when actual record sales are at an all time low? | They don't spend as much money on recordings. That's why the studio business is almost dead. The labels also didn't used to get a cut of touring or shows at all now it's the norm for a "360 deal" where the label doesn't just sell records, they take over the artist's brand and take a cut of everything. Meanwhile licensi... |
What is it in peoples genetic makeup that makes things like weight problems hereditary? | For the vast, vast, vast majority: nothing. Weight problems weren't "hereditary" until the last 50 years or so, and amazingly, they still aren't "hereditary" in the third world. Truly shocking. Human metabolisms don't vary by more than a few percentage points . Everyone has that one friend who supposedly eats a ton but... |
Why do Catholics think fish are not made of meat | The main reason for why fish was eaten when Lent first happened was that meat from animals like cows was considered a privileged food as it cost more money than vegetables; however, fish was easily obtained and was a lesser price of a meal. |
What is the observer effect? Does light really know when we are observing it and change behaviour depending on it? | In physics, an "observer" is anything that interacts with a quantum object. For instance, when a photon hits your desk, the desk "observes" the photon. So the observer effect just has to do with whether anything is interacting with the photon. |
Why do suburbs in general have less crime than cities? | Suburbs were developed with housing additions specifically targeted to bring middle class families from the cities. As a result, the suburbs often have fewer poor people than the cities. And crime rates are usually a function of poverty rates.Historically, suburbs were wealthier and more uniform in socioeconomic standi... |
Why do I find spiders in my sinks and shower tub more than any other location of my house? | I can't remember where, but I read somewhere that they go to places that make them easy to spot for a potential mate. If they are confident enough that there are no threats, they will climb out of their hiding places and sit still in an open space with high contrast so that they can be easily spotted. in short, they cl... |
EL5 the difference between Alzheimers and dementia. | Dementia is the generic term for "losing your mind". It can result from many causes, including trauma, oxygen deprivation, strokes, etc, as well as various diseases. Patients with Alzheimer's disease commonly present with dementia as a symptom.[Here] Also, The term dementia refers to a set of symptoms, not the disease ... |
Why are our bodies warm ? | The chemical reactions that allow our cells to function are exothermic . Our body essentially burns sugars to produce usable energy. And "burns" isn't a metaphor: it's the same chemical reaction as lighting something on fire , just very tightly controlledOur bodies are warmer than our surroundings because the total sum... |
why do I get "chills" all over my body when I see or hear something beautiful? Moreover, what are those chills and why aren't they just felt all the time? | Frisson is the sudden feeling of excitement. There is a subreddit for it _URL_0_ Quoted from their sidebar "Have you ever felt a sudden, passing sensation of excitement, a shudder of emotion from an epic moment of a song, or a climax of a movie? That is what is called "frisson". It has been linked to rises in dopamine ... |
What is the white stuff on my tongue made up of and why is there such a strong correlation to how my breath smells? | I read that it is dead fungi or bacteria from food trapped in the small gaps on your tongue. I wouldnt worry about it unless you realise it getting substantially worse, it could then maybe be infection on your tongue. If it starts to hurt or stay heavily coated for over 2 weeks you may need to see a GP. Source/more inf... |
Why don't national flags have the name of the country displayed on them? Instead, we're stuck guessing which of the 196 countries it is. | What language would you write the name in? If you can only read English, the flags of several Asian nations would look very similiar. Same for other similiar languages.Flags are *symbols,* and the stuff on them displays history, beliefs, thoughts, *symbolically.* In fact, there's a [whole organization dedicated to the ... |
What happens to information and media (texts,apps,videos etc...)on your phone when they are scrolled out of sight? | 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 many people see a white light during a near death experience? | They don't. It's purely anecdotal. A handful of people will claim that they saw a "white light", or a "tunnel with shapes at the end" or "the face of grandpa Joe" etc. And then it becomes representative of the whole experience because of the next point. [It becomes a narrative trope] that writers in all forms can use a... |
Why does my graphics calculator or excel add numbers that should equal zero but gives the answer as -3.00133E-11? | Perhaps you're performing some kind of floating point arithmetic? Floating point numbers don't map nicely to binary data structures, and are typically inaccurate as a result. When you encode a float in binary, you make every successive bit represent half the value of its precedent. So when you encode 0.2, you end up wi... |
Why don't companies buy back their stock from investors once they become self sufficient? | Why would you want the whole company back if having the majority lets you make all the decisions?. If you want more money, just ask for a raise and pass it through the board that, since you own the majority, you can pass it. |
How is my nose stuffy and runny at the same time? | Deep inside your nose there is actually erectile tissue, very similar to the penis. An erection is caused when blood vessels in the penis get bigger so more blood flows into it, and the exact same thing happens with this tissue in your nose. So often when we are congested and stuffy, it isn't because snot is blocking a... |
How do people with insomnia get energy? | Often, copious amounts of caffeine and sugar. Also often, they don't. They go through the day like barely functional zombies. This question seems better suited for r/askreddit |
How do speakers produce multiple sounds and how does the ear perceive more than one tone? | It doesn't make more than one sound at a time. It makes a single noise. Your brain, however, is able to recognize various characteristics of the noise and separate them into individual sounds. This is something your brain does with ALL noise, not just noise from speakers.We all know that each sound and note have a wave... |
Why do giant pandas seem to have such terrible motor skills? | Bamboo isn't the most challenging of prey, and it isn't like anything eats pandas in the wild either. They don't have much need to be nimble. |
if someone gets a hold of my social security number, what can they do to steal my identity from that point? | Off the top of my head, this is what I would do if I wanted to steal your identity using your social security number. First I would forge a copy of your social security card. Then I would write to your state courthouse and request a copy of your birth certificate. If questioned, I would say that I lost it and my ID in ... |
When people measure "brain waves" (Alpha, Beta, Gamma, etc.) what are they actually measuring? | Your brain is made of neurons. Neurons are electrically charged cells that communicate with each other by exchanging ions - positively or negatively charged molecules. This exchange of ions creates a voltage. When enough of these neurons creates a voltage, they start to push and pull on each other. This makes a sort of... |
Why haven't FIFA or the IOC been shut down for corruption? | By this logic if someone on a team cheats we should disband the team. The organizations aren't fundamentally corrupt, certain people are.A number of countries are themselves corrupt or benefit from the IOC/FIFA corruption so they have no incentive to shut it down. Other countries are refusing to play their game. Just l... |
Common ground between anthropology of art and surrealism? | Hello, anthropologist here. Very briefly put, there were several overlaps between the budding field of anthropology and the French surrealist art scene in Paris in the 1920ies. Both fields had an interest in exotic worlds, and both explored ways of representing aspects of reality through condensed forms. For the surrea... |
How is there competition and price variation within the bottled water industry? | All comes down to marketing - making a real or apparent difference in the mind of the consumer between your product and your competitors. The most obvious examples are your premium ones - Perrier, Evian, Fiji, that stupid Voss crap in the glass bottle. They sell it at a premium because it's "exclusive" by way of being ... |
What makes fresh food better quality than frozen food? | Freezing food causes water in the food to turn into ice crystals which are larger and can damage the food. When the food thaws, some of the ice turns to water and drains off leaving the food dehydrated. Long exposure to ice also leads to freezer burn which leaves an unpleasant taste and color to the food. Meat which ha... |
Why would the U.S. Special Forces (supposedly) bury Bin Laden's body at sea almost immediately after his death? | > 1) How did Bin Laden manage to live comfortably in Pakistan for so long without getting caught? The Pakistani government hasn't exactly been forthright in its relationship with the US, and bin Laden had become pretty good at hiding after 20+ years as a fugitive in some form. > 2) Why did the U.S. dispose of his body ... |
Why were most cities in the world founded over a century ago, except for a few planned exceptions? You don’t really see new cities appear anymore... | You have new cities appearing,but they aren’t famous now so you don’t know about them yet.Like China for example makes a lot of planned citiesMost cities are the result of somewhat natural growth and all the places where the circumstances are right to grow a city already have one. Some bridge or a place where a river i... |
if I go down a wheel size do I automatically go up a tyre size? | Alright so for example. I have 32/11.5/15 tires. The 32 is how tall the tire is, 11.5 is the width, and 15 is the rim size. If you change rims, all you have to do is get the same tire but with the changed rim size. So if you get a 16 inch rim, you're gonna look for 32/11.5/ 16. The tire itself is gonna lose half an inc... |
Why do diplomats have immunity? | It's two-fold, I 'd say. Firstly it's so that the diplomats cannot be threatened into submission. "Report back that there are no war preparations here or you'll be prosecuted and jailed for life for jaywalking!"Secondly, diplomats and some of the other employees in embassies follow the laws and rules of their home coun... |
How does my body know to wake me up at night if my arm falls asleep? | While asleep, your brain sends periodic "pings" to each of your limbs to check that they're still there and functioning. When you pinch a nerve while asleep, the ping doesn't come back, and your brain starts up enough of your processing capability to fix the problem. |
What Are the Advantages/Disadvantages to a High Displacement Four Cylinder Compared to a Low Displacement Six Cylinder? | You forgot a large detail in your comparison. The Audi B5 S4's engine is turbocharged. The V6 configuration saves some space which was used for a turbocharger to increase power output. A 2.6L turbocharged engine can produce a larger power output than a 2.5L non turbocharged engine while keeping the consumption similar ... |
Why do people say the alarm goes "off" when really it comes "on"? | The alarm is always "on" looking for a certain stimulus. When it sees that stimulus, it turns "off". |
When did time begin? | This is something that is unknowable. Our Universe's timeline started with the big bang. Outside of that we can only speculate. The theory I like to believe is that our Big Bang was actually a white hole connected via a Schwarschild wormhole to it's opposite super massive blackhole existing in another Universe. But lik... |
How do parrots say sounds made by the letters B, F, M, or P without lips? | You can produce these sounds by pressing your tongue against your upper lip too, you don't *need* a set of lips to approximate it, just a way to modulate the airflow properly. Parrots can come pretty close to most human speech with their tongue, beaks, and weird respiratory system setup, but sometimes they have to use ... |
Since the Efficient Market Hypothesis is widely accepted, how is High Frequency Trading profitable/viable? | HFT *makes* EMH true, in a pretty real sense. The role of stock traders is to act on any idiosyncratic information they have, and to do so until their information content cannot be exploited any more. The essence of EMH is that in equilibrium, all information has already been acted on. Thus you only make money if you h... |
Why doesn't a single engine propeller plane need a second propeller to counteract the weight of the front one spinning? | Single prop planes do have a bit of torque that yaws the plane in one direction or the other. Usually, you'll make small adjustments to the rudder and ailerons to counteract it, or depending on the age of the plane, compensate for it manually. |
Why does reddit hate rich people in general? | We don't hate rich people - but we hate knowing that there is such a disparity between the top and bottom - the gap is enormous. Seeing a kid with a 20K car would blow my mind. I rode a bike to school for 10+ years still ride one to work every day. I can't imagine having had enough cash to buy a car that expensive And ... |
How is it possible that the original Super Mario Bros for NES is only 40 kilobytes? | The lower power of computers back then requried some very clever usage of storage space. Limited color palattes, no moving backgrounds, and reusing sprites in multiple locations . |
What's the difference between sexual assault and sexual harassment? | Well harassment tends to be verbal/communicative while assault is any sort of physical act. If he/she didn't touch you, it's harassment. If he/she did, it's assault. |
Why do we physiologically have individualized physical attractions to different types of physical traits instead of just simple homogenized attraction to traits that represent strength and survivability? | first of all, there are trends in what we find attractive. very few people find truly maladaptive traits attractive. most people who like men find strength attractive. most people who like women find some amount of curves attractive. most everyone finds healthy people more attractive. secondly, there is no way for natu... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.