query stringlengths 8 249 | answer stringlengths 45 7.8k |
|---|---|
What is the physics behind hydroplaning while driving in the rain? | Water does not compress except under extreme force, and your car is not capable of making that much force. When you hit a puddle of water at very high speed, the puddle resists moving out of the way, so your tires are no longer touching pavement, they're touching water. At this point, what the tires are doing is basica... |
Why rockets are sometimes launched at night? | Rockets launch whenever is necessary to make sure their payload ends up in the proper orbit. Sometimes that's at night, and so they launch at night. Rockets are actually a lot easier to spot at night, because they're spewing a giant stream of flaming exhaust out the back. A night launch is really a sight to see, you ca... |
how is it possible to lose your driver's license by getting a DUI on a non-motorized bicycle? | You can get a ticket when you're riding a bike. Whether it makes sense or not, tickets you get while bike riding can rack up points against your driver's license. If you get too many points against your driver's license, it gets suspended. QED. |
Why do we call some religions “mythologies” (ancient Greek, Norse, Egyptian, etc.) and others religions? Is this fair? | **Mythology:** A set of stories that provide origins or explanations for creation, nature, history, or customs **Religion:** An organized set of beliefs, practices, and world views that relate humanity to a higher power or purpose In this sense, almost every religion has a mythology behind it. The religions of Christia... |
Why is pitch affected when slowing down or speeding up sounds? | Sound is made up Waves like this _URL_0_ The distance between the peaks of these waves have an actual real world distance. For example the distance between the peaks of the waves in a low bass sound is a large as 14 feet or more! what these waves represent is the movement of air vibrating, imagine you get a rubber band... |
Who initiated the Six Day War and what was the ultimate purpose of it? | The Six-Day War was a reaction of Israel to Egypt building up forces along the Sinai Peninsula. Israel saw an attack coming and decided to attack first, launching surprise attacks on Egyptian airfields and ground offensives. They worried well, routing Egyptian forces and pushing them out of Sinai. This tripled Israeli ... |
Why can temperatures get crazy high(Planck temperature) but not as crazy low(−273.15°C, Absolute Zero)? | Others have answered the question, but I wanted to add a perspective. There is no "cold", because "cold" is just the absence of heat. You can only add and remove heat from things. If you imagine a bucket, your question is like asking "why can we make buckets that hold 100 gallons of water, but not less than 0?"', "Whoa... |
Why do older buildings sometimes have brick over what I assume to be old windows? | If it is an old building it is likely that someone have at some point redone the interior of the building. They might have added bathrooms, extended the kitchen, added fire places or a home cinema. And in doing so there might have been a window that did not fit the new style. So they just blocked it off with bricks. Wi... |
Why do many bars insist on playing music at deafening volumes? | I noticed when I was a waitress that customers were less grumpy and uncomfortable in a loud environment. I was always the one to ask the managers to turn down the music if I couldn't hear someone's order, but then I realized overall I got better tips and people were happier when it was loud. I hate it too, but it seems... |
What are the chemicals in sour food that make our mouth taste the sourness? And why does that happen? | Sour flavors are usually caused by acids. Bitter is usually alkaline substances. Salty is usually ions. Sweet is sugars. It happens because that's what the cells on our tongue are made to detect, they have receptors that respond to specific molecule types. |
If I raised a big cat solely by myself from birth, would it eventually want to kill me? | if you raise a small cat by yourself, would it eventually scratch your hands quite badly while playing? probably, yeah. big cats are practically identical to house cats, behaviorally. but when a housecat is funny when it gets aggressive sometimes, a big cat would kill you. it doesn't necessarily *want* to though, no. b... |
Why do the backs of credit cards say "Not Valid Unless Signed," yet I have never been turned away when using my unsigned credit cards? | It's supposed to be an extra security measure against identity theft. The merchant can compare your signature on the back of the card to the signature you give when you purchase. You used to do it on a hard copy but now they have the digital signatures, which make pretty much everyone's hand writing look terrible. Most... |
Why does daylight savings time end in the fall? Wouldn't a constant shift in time to make more daylight in the evening be best in the winter as well? | Mainly because we need some light in the morning. In winter, sunrise can be as late as 7-7:30am already, pushing it back past 8am can make it dangerous for kids walking to school for example. The other thing is most of the pros for summer DST are things like people staying out later thus increasing business, but people... |
Can antibiotics resistant bacteria still be killed by soap, handwashing gel, etc? | Antibacterial soap is actually quite bad, in terms of they lead to antibiotic resistant bacteria.Regular soap works quite well against bacteria because it works via a physical method of action rather than a biological one. Soap with a proper handwashing technique will remove the bacteria from your hands quite effective... |
How does our body determine what smells good and what does not? | Your body does not determine that. Your brain does. You are pre-programmed to find certain smells disturbing - those indicate danger. Rotten food, for example, would be dangerous and your brain reacts to the smell of it by making you feel disgusted. In general, though, this is a very subjective thing. What smells nice ... |
How does the car's system move the wheels? | The engine is connected to the clutch, which is used to separate the engine from the rest so the engine can still spin when the car is not moving. The clutch is connected to the gearbox, which can gear up or down depending on what you need. That is then connected to the drive shaft to the wheels. [Here is an image] |
Windpower: How is it generated and why do so many people have a problem with it? | There are no explicit health risks associated with wind power. Wind energy is a zero-emission/renewable energy source. People against wind power usually fit into one of the following: 1. Don't like wind power because it will decrease my property values 2. Don't like wind power because the volume of wind turbines will m... |
How does a hard disk drive read and write data differently than a solid state drive? | A hard disc drive uses a magnetic metallic plate that spins around and a electromagnetic read/write head. That head can ready the magnetic properties within a very small area on the plate, or change the the magnetic property within said small area. This allows for 2 magnetic states which can be read and easily translat... |
How does the Westboro Baptist Church make money? | According to the Southern Poverty Law Center, the church is fully funded by the members of the congregation. They have also been awarded tens, if not hundreds of thousands of dollars from lawsuits over the years. |
Why is passive tense considered incorrect by most English professors? | I don't consider it "incorrect," but I think a writer should always have a purpose for using it. Do you want to remove the subject, as in "mistakes were made but our company is going to be as strong as ever" or do you want to shift around the stress, as in your example with the car? When the passive voice is just rando... |
- Why is the glitch where things can't just fall and lie still but instead spaz out so common in videogames? | Former game dev here, I haven't written physics code since college! That was over a decade ago. I'm trying to remember what it was that caused this sort of thing, so I might get this wrong. We wrote a dice physics simulator in class - it's just a tumbling cube, it doesn't get much more simple than that. But the dice wo... |
Where does Google maps get its traffic data from? How is it always up-to-date? | They crowdsource it. They are using data from any Android user who has not opted out of giving traffic data. Here's their explanation:_URL_0_ |
what is it called when something cold appears to "steam," and why does it happen? | So when there's something really cold, the water vapor in the air will condense into relatively bigger water droplets, kinda like what happens with clouds. This makes it so the water vapor is visible. It's *not steam*, but condensation. You could also call it vapor, but not steam. |
Would beer brewed in space taste different? | Yes > In addition to producing ethanol, fine particulate matter suspended in the wort settles during fermentation. Once fermentation is complete, the yeast also settles, leaving the beer clear.[42] The process of brewing involves floaty stuff coming to the top and heavy stuff setting to the bottom. If it doesn't do tha... |
Why don't I see MORE picture in a 1080p resolution vs 720p | > why isn't the field of view larger as you go from 720p to 1080p? Quite simply, it's because the entire point of higher resolution is usually better quality, not a larger field of view. No one wants a better display just so they can see more of a scene at the same low quality. Instead, they want to see the same amount... |
If someone is choking, why can't you just dislodge the blockage with a flexible tube? | What? You mean like try and fish it out? Two reasons spring to mind: 1. The established first aid for choking requires no equipment at all. If someone's choking in a restaurant, you don't have to go hunting around for a flexible tube. 1. If you go fishing around with no visibility of what you're doing, you stand a grea... |
why does ice cream taste so bad when it is left open in the freezer? | Freezer burn is basically water being extracted from foods. Yes, even in the freezer, water is evaporating. Take a look an your ice cube tray. Ever notice that if you don't continually make ice, the cubes in your tray look a little smaller than you thought ? The same is happening with foods. Some of the evaporated wate... |
Why is that Chernobyl and the close area remain uninhabitable yet Nagasaki + Hiroshima were able to rebuild ? | Mostly, it's because the reactor's fuel was measured in tons, while the bombs were measured in pounds. There are other factors, but Chernobyl was meant to go for a long while. One is like lighting a match - fast, inefficient, impressive. The other is like driving your car for an hour. Sort of boring, constant use of fu... |
Why do I have to press CTRL+ALT+DEL to log log into my Window's computer? | Ctrl-Alt-Del is called a trusted keyboard sequence. No other program can hijack or use that sequence. So, when Windows asks you to use that keyboard sequence, you know for sure that Windows is the only program asking for it. Otherwise, any old program could pretend to look like the login screen, and then steal your cre... |
How does affirmative action in USA work? | Affirmative action covers a lot of program offered in the United States. I'll cover two of the most well known. College Admissions: With the newest Supreme Court ruling, universities are allowed to take race into account as part of a holistic approach to college admissions. That means if I had two equally strong studen... |
When someone has hemorrhoids, what keeps fecal matter from entering the bloodstream, potentially causing infection? | For the most part, your fecal matter isn't particularly dangerous to you. Yes, you generally don't want the stuff that's in there to go anywhere but the toilet, but the real fear behind fecal contamination is that OTHER people's poop is very bad for you. Additionally, poop is very attractive to bacteria and is a great ... |
The X and Y theory. | It's my understanding that in this case "theory" is **not** being used in a scientific sense- it just means "way of seeing the world." Theory X and Theory Y are usually used to describe people's way of seeing workers. Either workers are inherently lazy and you need to motivate them through concrete rewards and punishme... |
Why do we like the aroma of herbs/spices in foods? | Well most plants that are effervescent evolved that way to either attract or repel predators. Fruit, for example, is colourful because it needs to attract animals who will eat the fruit and spread the seeds, the same principle could be applied to herbs, which may explain why we humans like them. |
Why do the British courts change/hide the identities of criminals? | Not just British courts. A lot of courts and justice systems all over the world do, because they believe in rehabilitation rather than punishing and shamingBecause if the public find out that information it would be very easy to locate them. The terrible crime these two bastards committed people would probably be looki... |
What specifically makes cancer so difficult (if not impossible) to cure? | Imagine you had a jar filled with quarters, dimes, pennies, and M & Ms . I make you put on a blindfold, and ask you to: * pick out all the M & Ms. You'd have a pretty easy time! * pick out all of the pennies. You'd have maybe a little harder time, having to take a feel each specific coin to make sure it is a penny, but... |
Why are shots such a common fear? | Because you are sticking a sharp piece of metal into your skin. Also, some people might think a shot is a lot more painful than they remember/actually is.It's a highly unnatural process. Not only is stabbing yourself or having someone stab you with metal generally considered a bad thing, but it's also a rather strange ... |
Why do 30 year olds look younger today than the 30 year olds 50 years ago? | * better health and nutrition* more effective skin care medication* less time spent outdoors and greater awareness of sunscreen* less reliance on physical labor and dirty workplaces * obesity can sometimes give a more youthful facial appearance', "They don't. Maybe you are just getting older or the change in fashion st... |
would a space suit provide the same amount of warmth and protection in the Arctic/Antarctic? | Nah, it would fail badly. First off, space suits are extremely heavy, walking around in the Artic would be very onerous. Secondly, Space suits aren't build to keep astronauts hot. The vacuum of space is an excellent insulator, which means that instead they have special equipment to prevent the astronaut from overheatin... |
In airplanes, why is the sound quality of the captain or staff announcements so bad? | Because to have better or more speakers would mean that it would add more weight to the plane, also the acoustics in a plane arnt great it's essentially a tube with people, sound waves are muffled by people noise, also you have all sorts of systems like AC and engine starters and hydraulic pumps which all create noise ... |
Why cant we find a permanant cure for things like depression? | We do not fully understand how the brain works and there are simply too many variables in depression for there to be a single cure.a couple reasons. tldr; we don't really understand what these disorders are, and don't yet have the science necessary to develop truly effective and sustainable treatments. more detail: the... |
How are newer lights produced to generate more light and less heat? | First you need to understand what light and heat radiation is. They are both part of the electromagnetic spectrum. Visible light is the part of the spectrum we can see, infrared radiation is just outside of what we can see and is heat. For example, if we could see infrared your body would be glowing, as you are radiati... |
How is the worth of a dollar determined? | > but what determines how much certain dollars are worth, and who makes these alterations. We do, you included. Collectively we decide what we will do for currency and what we will exchange currency for in return. |
How do we film animals in the wild? | There are many methods, but there are a few patterns: 1) Track the animals like a hunter, then set up cameras around their territory. This is key - animals are somewhat predictable if you know how they work. 2) Spend weeks, months, or possibly years in the wild trying to capture the right shots. There is an insane amou... |
How are so many books best sellers? | Bestsellers generally refers to The New York Times bestsellers list. It is updated weekly. This list has all the categories and the list can be seen at this link: _URL_0_ At the bottom of the page, if you click full explanation of their methodology, it reads in part "Rankings reflect sales reported by vendors offering ... |
Why do accents not carry over as heavily into song? | Singing is pretty much its own accent. Singers minimize consonant sounds, and must alter the tone according to the melody. This removes much of the variations used to distinguish accents.An 'accent' is a complicated thing. It's an easy concept, but what makes up an accent isn't - there are many individual speech patter... |
How do airlines oversell tickets? | they have 30 seats and they sell 32 seats?', "Well, it goes something like this: they have a plane that has 120 seats. They know that, on average for this flight and route, 15 people won't show up. So, they sell 135 tickets so they can have a full plane. The only times you notice this is when they get the math wrong. |
why is it at the end of a poor night's sleep the last hour seems to be the best quality? | While you are sleeping you are constantly in a cycle between Stages 2, 3, 4 and then REM, then back 4, 3, 2 and then back up again. A cycle roughly lasts about 90 minutes. REM is critical to information processing and memory formation so when your body senses that you are sleep deprived and lacking in REM, the next tim... |
Why does it itch around a wound that is healing? | "Bumps from bug bites are an allergic reaction . Your immune system kicks in and sends histamine to the area to get rid of the mosquito's saliva. The histamine causes the bite to swell into a bump, which causes the itching. If you scratch it, it causes the body to release more histamine and further swell/irritate the a... |
How food doesn't go to my lungs, and why air mostly doesn't go to my stomach? | You have a flap called the epiglottis that covers your windpipe without you having to consciously think about it any time you try to swallow food or liquid. When not in use, your esophagus flattens, but your trachea has cartilagenous rings that keep it open. When you breathe, negative pressure in your lungs sucks air i... |
How do contactless cards generate their RFiD signal? | The reader hits it with a pulse which gives it enough energy to send a response with, this makes the bases big and lets the tags be tiny. Its a combination of wireless communication and wireless charging', "Hej, The thing about RFID is that the signal isn't generated by the chip that is in the card, but by the chip rea... |
why does it hurt so bad when you pop something into or out of its joint? | Pain is, at the core, a signal that something is damaged and you should do something about it, or protect it, or something. In the case of joints popping out, your body is telling you in no mild terms, "Don't you fucking walk on that leg with your hip popped or you are going to tear a ligament and be crippled forever s... |
If I make two different size cups of tea using the same kind of tea bag, will they contain the same amount of caffeine? | Most likely not; you've got a number of variables at play: the heat curve of the water, the saturation of the water, and the volume of liquid surrounding the bag. The smaller the cup, the faster it gets saturated and the faster it cools. But if you're dunking instead of a regular steep, you can infuse the caffeine to i... |
What is an Ampere? | The definitions of the Volt, Amp, and Ohm are all somewhat circular, but that's as a result of attempting to create a definition so a reference could be recreated anywhere in the universe at any time For what an amp actually means in a practical sense its helpful to think in terms of electrons. 6.24x10^18 electrons hav... |
why are we "better" (or no better) than other animals? | Whether we're "better" than other animals is a value-dependent question, but we're certainly the most sophisticated animal on earth. You say "we use tools" is easily countered because other animals use tools. They use tools, but not as well as us. For example, other animals cannot build or operate airplanes, cars, boat... |
Why are tracksuits synonymist with Russia? | In russia, poland and other slavic countries, track suits are worn by a group of young people similar to British chavs. You should check out r/squattingslavs for more examples of this specimen.Edited spelling. |
Why is it easier to get a fire started if the material being burned is already hot (or even still an ember)? | Combustion requires a certain amount of energy to get going, and from there the fire continues to perpetuate itself so long as you feed it fuel. That energy shows up as heat. You need to get whatever you want to burn up to its flash point temperature to get it to burn. The hotter the material already is, the less energ... |
Why are most fighters (especially in MMA) bald? | No hair for the other fighter to grab and pull, as tough as u are pulling hair can be extremely painful as well . also some fighters I imagine would rather not go 2 5 mins rounds with another fighter then lose cus he got some sweat in his eyes of his hair and kissed the duck/ dodge for a big hitDirty fighters will tug ... |
Is lactose intolerance exactly the same thing as being allergic to dairy? | They are not the same thing at all. A dairy allergy is when you immune system attacks compounds in milk, thinking they are dangerous. Lactose intolerance is where you lack the ability to digest some of the sugar molecules found in milk.Fun story I discovered years ago. A large section of people actually develop a lacto... |
Why is "Argument from authority" considered a logical fallacy, but is used frequently by credible sources to argue for a point? | Argument from authority only applies when the authority isn't actually qualified in the field. For example: Neuroscientist A says Tuna helps prevent neuro-degeneration. This is NOT an argument from authority as Mr.A is actually qualified to make claims about the brain. Congressman B said that chicken causes cancer. Thi... |
When birds (e.g pigeons) are used to carry messages, how do they know where to go to deliver the message? | Those birds were/are trained to go only between two locations. The starting location and the ending location. A bird might fly between Spot A in and Spot B in London, and another might fly between Spot A in London and Spot A in Paris. Training a bird to find home isn't that hard. Training a bird to fly between two home... |
Why will some printers suddenly come alive and make noise after being inactive for hours? | Sometimes they're programmed to periodically wake up for maintenance tasks Also some printers incorrectly wake up when they see certain network traffic intended for other devices |
How do Police/FBI isolate an existing phone number during hostage situations so that only they can make calls to it? | The phone company can connect to a phone line, like making a call, but the connection isn't broken down when one side hangs up. It's not like what you see in TV, where they can seem to control the bank's internal phone equipment remotely. |
Where does the data go when my phone is off? When someone sends me a text and my phone is off, does the text sort of hovers somewhere? | It resides on a server in the phone network. When you turn your phone on, the phone connects to the mobile network, and that's when text messages get sent. They are piggybacked on the information the mobile phone provider sends to your phone when it checks in. |
The China/Taiwan conflict, and why China thinks that Taiwan should still be a part of the PRC. | Originallly there was the Qing Dynasty, basically a monarchy. In 1912 there was a revolution, the Emperor was overthrown and the Republic of China took over. The ROC took over the island of Taiwan from Japan in a war. So then we had "china" which owned all of what we now call china and Taiwan. Then in 1946 there was a ... |
Why does a piece of paper stay folded? What am I actually DOING to the paper? | When you fold paper, it breaks or wears down the fibers. Since the fibers are broken, they won't spring back to the original shape.Paper, just like all physical objects, has three dimensions; width, length, and *height*. When you fold a piece of paper, you're bending up and towards the "height axis". As a result, the p... |
How did people in the old west purify their water while on trips? | They didn't purify it at all because they did not understand that water could spread disease in the way we now know it can. They would have sought good-smelling or flowing water if possible, though, and they might have boiled water to remove a smell. People in the past did drink a lot of beer, coffee, tea, or other mor... |
Why was there no guerilla resistance to the US occupation of Japan? | Japan was under a brutal Imperial rule where civilians were told to kill themselves rather than surrender, with mass horrors committed on Japanese soil. When Japan surrendered, its people were already heavily demoralized after the dropping of the Nuclear weapons and the social conditions that were enforced during the w... |
Why is there a metal tail on the end of combs? | A rat tail comb. For when you have long enough hair and want to separate and manage it or the hair around that area. They come in metal and plastic. The plastic ones tend to be cheaper and break whereas the metal ones require a bit more practice to avoid self-injury. |
How do products like 3-in-one shampoo/conditioner/bodywash work? How do they get it all "in there?" | First, know that there is a difference between soaps and detergents. A bar of soap is soap. Everything else that you use that is a liquid is actually some type of detergent. They are made of many things, but the main ingredients involve some sort of ion complex that has polar and non-polar properties. The non-polar gre... |
How do babies/young children learn (to speak) languages without being taught? | While there is some significant disagreement within modern linguistics, I'm going to just focus on one approach: innatism. There seems to be a problem with how kids acquire language. Kids hear a lot of language. However, this input is still finite--kids can't hear everything that could ever be possibly said in a langua... |
What is that buzzing noise I hear when I plug my electronics in? What is physically moving to make the buzz noise? | If you're talking about the buzzing or hum you hear in your speakers when you plug something into an electrical outlet, that's called "ground hum". Many electronic devices generate low levels of electronic noise. This noise acts the same way the signal from a radio station does, but at much much lower power. Any metal ... |
Why is it that bagpipes are played at military ceremonies ? | Because it's a captive audience who can't, with a clear conscience, run away. And in reply to other posters - there are [Irish pipes] just that people usually think of [Great Highland Bagpipes] which are indeed Scottish. |
Warren Buffets "Buying Cigar Butts" investing technique | Basically. 'Buying Cigar Butts' is a nice way of saying you want to buy something very high quality that has almost no value left. Then wait just before it finally falls apart to sell. Normally on a CEO change or news that will rise its stock price, but in reality the stock is just circling the drain. |
The significance of the Rosetta spacecraft and what scientists are planning to do with it now that it's in orbit | Rosetta is a space probe launched by the European Space Agency to perform a detailed study of the 67P/Churyumov–Gerasimenko comet. It became the first man made craft to orbit a comet and is scheduled to deploy a robotic lander on its surface which will become the first controlled touchdown on a comet's nucleus. It will... |
How is there so much money in the porn industry when porn is easily found for free online? | All those free porn sites are absolutely *lousy* with ads, haven't you noticed? Ads are paid for by advertisers. They pay an amount based on how many people are watching. Since *lots* of people watch porn on a daily basis, they pay good money. |
why are reddish colors considered warm and blue ones cold, even tough the thermal spectrum says that red colors are much colder than blue (or purple) colors? | Possibly because we see cold blue things like water or ice a lot more than we see hot blue things, like a natural-gas flameBecause things that we associate with heat all glow red. The only reason they glow red is because they aren't hot enough to glow a different color, but they're still very very hot. Things we associ... |
Why Stephen Hawking is the long-lived person with ALS (Amyotrophic Lateral Sclerosis), what is the difference between Him and the others with same disease? | Another part of it is that he has a slow progressing version of it. There was an article a year or 2 ago where one of his doctors said that his ALS had effectively 'burnt out' I don't know if there's any science behind that.The excellent healthcare he receives is part of it: _URL_0_', "Experts aren't really sure, but w... |
How is it not obstruction of justice for channels like national geographic to film underground drug rings for shows like "Drugs Inc." and not turn people in? | In most jurisdictions failing to report a crime is not illegal. There are some exceptions; in Texas it is illegal to not report a crime that results in death or serious injury, but I would face no charges if I knew a neighbor was selling drugsThe police cannot compel anyone to say anything. So even if they film or talk... |
How does higher wages improve the living standard if the cost of living goes up simultaneously? | Because the cost of living does not always rise proportionally to the median income. Raising labor prices does relate to a increase in the cost of finished goods, but the increase in finished cost is not proportional to the increase in labor pay. So a 30% increase in pay might only add 1% to the finished cost , [here's... |
Why is water considered dehydrating on an external level (taking an extra long bath, for example), but necessary for hydration and health on an internal level? | The water is not dehydrating to your skin. But it washes away the protective layer of oils that your skin has so it can leave your skin vulnerable to drying out and becoming dehydrated until your skin can produce enough oils to cover itself again. But duration of your bath has almost nothing to do with this, it is the ... |
How can one tell which source to trust for information, to avoid bias, e.g., say between a Texas School Book or Wikipedia, who should one trust? | The definitive source of trustworthy information is the peer-reviewed article; a paper written by an academic, reviewed and edited by other academics in that field, and published in a journal or other periodical. If you look at the bottom of a Wikipedia article, it will list its sources . A lot of these sources will be... |
Since long-term effects of vaping are unknown, how are people sure its safer than cigs? | I think its more of a "it can't be worse" mentality. Vape juice has a shorter list of ingredients. None of them are yet associoted with cancer.It's unhealthy in it's own way, especially with some juices that are flavored because they contain a substance that will stay in your lungs and accumulate. The reason vaping is ... |
can someone explain this joke? link inside | If someone is "incomparable", they can't be compared to anything. So the sentence "You're incomparable, like a ." can't be completed, because it would be comparing someone incomparable to something, which, by their nature of being incomparable, can't be done. |
What's in the centre of gas giants? | Depends on their make-up, but most of them are thought to have have solid cores that are made out of non-gaseous elements like iron or silicon, just like most other large planetary masses do. |
What does the silica packets in boxes of shoes do and why? | Silica is highly hygroscopic, meaning that it absorbs water from the atmosphere. It is present in shoe boxes in order to ensure the enclosed environment remains as dry as possible, so that the product does not degrade, mould or swellIts a desiccant. It absorbs water from the air, so that even in humid environments the ... |
If cigarettes are poisonous and addictive, why are they not illegal? | This post is young, so maybe this won't get buried, but hopefully you'll see it. It's because for a stretch of time going back to when this country was founded, tobacco was one of our biggest cash crops. It was so profitable, in fact, that it worried a lot of farmers because they were worried about not growing enough f... |
Why does "Will not" turn into "Won't" as opposed to "Wiln't" | In Old English there were two forms of the verb willan —wil- in the present and wold- in the past. Over the next few centuries there was a good deal of bouncing back and forth between those vowels in all forms of the word. At different times and places "will" came out as wulle, wole, wool, welle, wel, wile, wyll, and e... |
What does "bonus" mean under the score on televised NBA games? | Normally, if you foul someone, they only get to take foul shots if they were already in the act of shooting the ball. If a team commits a certain number of fouls within a given part of the game, the other gets the bonus. When this occurs, they get to take foul shots if they are fouled even if the foul didn't occur duri... |
How do you fight fire with fire? | Literally: You can prevent a forest fire from engulfing your house by deliberately burning a wide swath of land around it ahead of time, and in a controlled manner. When the forest fire approaches, it will stop at the edge of the pre-burned area because there is nothing left to burn. Figuratively: To resist obnoxious ... |
Which is worse for someone under 18: Alcohol or Marijuana. Why? | The brain in your teen years is still developing. Pathways are forming in your brain for how you are going to handle and process information in adulthood. Using an excess of drugs or alcohol is going to interfere with the development of your brain's pathways. Which is worse? Hard to say. What's important now is not dev... |
How do you record your TV screen when playing PlayStation while at the same time filming yourself playing games like the YouTube vloggers do? | To capture the TV screen, you would use what's called a capture card, such as [this one]. Your console output goes in one end of the card, and the other end of the card goes out to the TV. A third connection runs to a computer where it can be recorded by recording software. This connection contains all the same video a... |
Since saliva starts the digestion of food in our mouths, why is it that neither our tongue or any other parts of our bodies that get saliva on them are dissolved? | Saliva only contains amylase and lysozymes, which digests complex carbohydrates like that found in bread and carbohydrates found on the surface of bacteria. |
How do adult fast food workers in Manhattan live on what they make? | > So I guess they must commute from a LONG way away to work at a McDonald's in Time Square Not that long, New York has an excellent subway and train system. You can commute from the north Bronx, south Brooklyn, or East Queens in about an hour. > why would they commute that far when there must be dozens or 100's of fast... |
Why does iTunes update so often? | A bunch of small updates that take 2 minutes > One update every month that takes 30 minutes. Steam operates using the same idea. |
Why is pepper extract hotter than the pepper? | If you extract the alcohol out of a beer, it's not going to be 5% of alcohol in the extract. It's going to be 100%.There is a great deal of water in a pepper. The water dilutes the heat. The extract is concentrated heat, pure fire for your tongue. It takes more peppers than you could eat in a single sitting to make one... |
Where does candle wax go? How does it not leave any ash and seemingly go in a vapor even though it is a solid? | The wax burns. Wax is an ashless fuel. Ash is the solid left overs after a fuel burns - it is things like oxides of calcium or magnesium. Wax is a pure hydrocarbon. The carbon burns to give carbon dioxide and the hydrogen burns to give steam. There is nothing else. Wood or paper contain calcium and magnesium and other ... |
American schooling vs. British schooling | What level of schooling? What aspects? This is very broad. There are so many schools and school systems in the US that it would be very difficult to compare. If you live in the North, Dangerous Minds. If you live in Texas, Varsity Blues. If you live in the Midwest, Breakfast Club. If you live in Northeast, Rocky V. If ... |
How can paleontologists tell that they've discovered a new type of dinosaur and it wasn't simply a mutation or larger variant of an already discovered dinosaur. | If the bone structure is so different that no small mutations could explain it. There's room for error in borderline cases.First of all sorry for the writing im on the phone. Im not an expert, i started Archaeology university 7months ago. When talking about history, we talk about theories and we accept these theories b... |
What pays the bills at Reddit? I don't see the typical advertising activity here that I see on other websites. | Ads, reddit has them, some at the top of the page, some in the sidebar. A bit comes from reddit gold, but it's mostly ads. |
Why did Avatar make so much money? | Lots of budget for advertising, pioneering technology, looked beautiful, lots of action, and James Cameron was attached. Any time you can say "From the Director of Titanic" and the movie looks and feels "big," you're going to make a lot of money. I think they caught on early to the 3D craze, and maybe it was one of the... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.