query stringlengths 20 300 | positive listlengths 1 1 | negative listlengths 1 1 |
|---|---|---|
Are there enough people vaccinated against the flu per year to grant herd immunity? | [
"There is more than one strain of flu. We vaccinate those most at risk, in order to grant them specific immunity from the strains theyre most likely to be exposed to, in order to reduce the at-risk mortality rates. Even if we vaccinate everyone against that strain, another strain would likely infect some people."
... | [
"> If 90-100% of people wanted meth-with its known negative effects-legalized how can the government still refuse? Because, in our government, the citizens do not have the power to actually enact such measures, except through Constitutional Amendments directly (and even that is a weird process that we've never real... |
What is the difference (or lack of) between Ritalin and Adderall? | [
"Adderall = Amphetamine Ritalin = Methylphenidate They are completely unrelated molecules, but they both produce the same effect (via different means)--i.e. to improve concentration and energy. Amphetamine is converted in your neurons to the neurotransmitter dopamine, this means that when your neurons fire, a much ... | [
"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 does infrared light appear as white on my cell phone camera? | [
"Most digital camera sensors are actually monochrome! They have a special filter called [Bayer filter](_URL_0_) on top of them, so that each photosite (sensor \"pixel\") receives either red, green, or blue filtered light. The missing color information is then interpolated by a \"demosaicing\" algorithm during image... | [
"It depends on what the mirror is made out of, many materials can act as mirrors and some materials only act as mirrors for certain wavelengths. Typical mirrors like you would find in your bathroom are ever so slightly green. _URL_0_"
] |
Why can't Germany just delay Greece's payments for a few years? | [
"Short answer is they don't want to. Germany has given the Greeks several bailouts at this point. Every bailout comes with promises from Greece that they will make changes to their spending pattern, yet those changes never come. Germany probably could absorb the loss, but they don't feel they should have to - the G... | [
"Hey, for deep throttling you need variable geometry in the injector. This can and has been done, e.g. for the LEMDE in production, and I believe there were experimental RL-10 variants (done for potentially up-scaled moon-landings) as well. Why this is the case is explained [here](_URL_0_) better than I could. The... |
how do computers know how to do math? | [
"Math operations are done in a part of the CPU called the Arithmetic Logic Unit (ALU), which handles arithmetic and logical operations: adding, subtracting, bitwise and-ing, bitwise or-ing. Everything is done with hardware, so it's all electrical signals. Since it is all electrical signals, the math is done in bina... | [
"Software can optimize images and fonts to render well with your monitor. See [hinting](_URL_0_) and [anti-aliasing](_URL_1_) for details. With macs, the software is more standardized, which makes this easier to accomplish. For other systems, a bit of tweaking may be required, but the same effect can be achieved. ... |
Why with certain neurological diseases do hands/fingers and feet tend tu curl up? | [
"This is caused by lack muscle control, which could mean complete relaxation or over-use of muscles. A neutral/relaxed hand position has the fingers slightly curled (you can test this yourself). So if your muscles can’t get signals from the brain, curling would be the result of them being relaxed. Also, if the mus... | [
"It is supposed to be a natural reaction that our ancestors used to survive. It would keep them away from the nests of dangerous insects such as termites. It was the body's way of trying to avoid the danger and keep alive. If you believe in evolution you could say that it is part of evolution."
] |
Why is the peanut allergy and maybe the gluten thing an American problem and not more of a world issue? | [
"This is the best I could find _URL_0_"
] | [
"\"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..."
] |
How are electronics able to tell the exact battery level left in it? | [
"They're not. They're able to give you a guesstimate by measuring the voltage coming off the battery and interpolating between what the voltage started at and what voltage is required for the device to function. Battery%=100*(Vcurrent-Vmin)/(Vmax-Vmin) or something similar to that."
] | [
"I use Android, but it does the same thing. I think it just uses GPS to figure out where you spend time everyday and makes an educated guess."
] |
Is "green energy" really more eco-friendly? | [
"Short term, they're less \"green\" long term though, they're much more green. longevity is a problem though and with time it will be fixed, there have actually been some great improvements in efficiency and size so solar panels are getting more and more viable"
] | [
"Oh i know why Greenland is called Greenland! Erik the Red was exiled there from Iceland. He wanted to develop the Island more with communities and people and such. But it was a rather barren icy place, so he called it Greenland in order to attract more people there."
] |
If we can build huge reflectors/magnifiers to concentrate light into extremely hot beams, why can't we harness this power for all our energy needs? | [
"You mean [like this Solar Power Tower in Spain?](_URL_1_) edit: [Better link](_URL_0_)."
] | [
"Cost is the bottom line. It would cost an insane amount to research and develop a Thorium reactor. While it's not impossible, the problem is we just did that with nuclear. Think of it like this. You convinced your family to buy you a high end BMW. While is was very expensive, you promised them that the returns wo... |
How was France chosen for a spot on the U.N. Security Council as a veto-wielding member? | [
"It was one of the surviving non-Axis great powers at the end of the war. Whatever one might think of France, from the perspective of a person living in 1945 with a knowledge of history, leaving France out would have seemed much less odd a concept than the inclusion of China probably was. Brazil was a minor power. ... | [
"A developer buys a big piece of land, divides it up into lots, and builds a bunch of houses to sell to people. The developer sets up an HOA with some basic rules about how the neighborhood will work. In the contract the developer writes up to sell a house, the person buying the house must join the HOA. Also, the c... |
Why do arguments involving racial bias in the US rarely take into account the fact that the white population is much higher than people of color? | [
"These things are often taken into account, but even when you take that into account it still turns out that white people are over represented. The US Census says that non-Hispanic white people are about 62% of the US population. However, more than 62% of actors on major TV shows are white (from my experience. I ha... | [
"Guns, Germs and Steel provides one of the most common theories to explain this. Basically, it boils down to it being a long unbroken land mass at generally the same latitude from Portugal all the way to Korea. This allowed for a lot of cultural interaction to occur and for trade and communication to occur very eas... |
Can someone please breakdown why/what they are protesting in Hong Kong? | [
"Right now Hong Kong and China operate under different legal systems with different laws, despite in concept both being part of China. What the proposed change would do is allow people to be arrested and extradited to China from Hong Kong, meaning for example the bookseller who distributes literature critical of th... | [
"Vox and Kurzgesagt made pretty good videos 'bout it. Check 'em out [here](_URL_0_) and [here](_URL_1_). You're welcome!"
] |
How do they know the Chechens being hunted down are, in fact, the bombers? | [
"For one there's photographic evidence that shows them at the race with backpacks in some photos and without them in others, implying they were left somewhere. For another, they gave chase, returned fire, killed a police officer, which is beyond suspicious."
] | [
"I would recommend that you read [this](_URL_0_) article. It's written by Christopher Hitchens who volunteered to undergo the water boarding process. The tl;dr version is best summed up by Hitchens himself > You may have read by now the official lie about this treatment, which is that it “simulates” the feeling of... |
If gravitational potential energy is defined as PE=mgh, where does the PE go when I lift an object beyond the gravitational field of Earth and the object freely floats into space? | [
"There is no beyond the gravitational field, it extends infinitely. However, when you get high enough above the surface the approximation mgh no longer holds and GmM(1/R-1/(h+R))"
] | [
"Yes, this is a problem that time machine stories ignore. Still, when you're writing pretend stories, and you go so far as to pretend time travel is possible, it's not that big of a deal to pretend that the time machine can also transport you in space to whatever place on Earth you need to go to. It's just a tiny b... |
If the law in Germany, Austria and Mexico allows a prisoner to escape because it is considered human instinct, how do legal authorities explain/justify their own action? | [
"It's not that they allow it but they don't add additional charges for an escape attempt since they consider it human nature."
] | [
"Most of the work the brain does is pattern recognition and matching. When we catch a ball, the brain isn't performing parabolic math - it is recognising the shape of the arc the ball is traversing. The brain 'knows' the shape of the arc and can arrange to have the hands in a suitable position to intercept the ball... |
How do people with Alzheimer's suddenly remember a fact about their lives, but forget it a moment/day later? | [
"Alzheimer's messes with the neural connections in the brain. Think of it like a shorting wire. Sometimes the signal will get through, sometimes it won't."
] | [
"I was curious about this as well, so I did some google-fu and found some results. This is all secondhand so take it with a grain of salt. It seems that the stations contract survey companies to get a rough estimate based on a sample population in the area. Arbitron is one of those companies. How do they do it? The... |
When orange juice is "made from concentrate" what does that actually mean? | [
"It means they took oranges, squeezed them, boiled off the water (until you're left with the concentrate), shipped it to wherever it needs to go, filled it with water, and sold it to you."
] | [
"The less expensive tuna is prepared at sea in bulk. The more expensive tuna is rushed fresh from the sea to your table."
] |
What is Roko’s Basilisk? | [
"Roko's Basilisk is an argument about AI. It argues that; a sufficiently powerful AI would have an incentive to punish people who had thought about the AI/known about efforts to create the AI, but that did not assist in the creation of the AI. These people could be seen as \"hampering the efforts to create the enti... | [
"Bodily Kinaesthetic intelligence combined with Spatial intelligence. Sorry for the bland answer."
] |
If Amazon is estimated to be worth $175bl, why don't they choose to undercut Netflix on service and movie selection? What is stopping Amazon from outdoing Netflix for streaming? | [
"Could Amazon do this? Sure, with enough money they could, though it would be a significant amount of money. Amazon is worth a lot of money not because it's sitting on huge reserves of cash, but because they have very high revenues and own a fair bit of land and facilities that make them a lot of money. In other wo... | [
"You might want to watch Inequality for All, it's a documentary available on Netflix. It actually addresses this exact question"
] |
How to start eating healthier and exercising. | [
"One tip I have is make some trail mix in huge quantities. It still has the ease that junk food has but is tenfold better for you. I make mine from unsalted peanuts, almonds, roasted sunflower seed kernels and raisins."
] | [
"/u/Polybios has good advice here. I would also recommend that every time you pick up something to read that you check the internet for evaluations of the work. Don't trust anything you read on the internet - of course - but it might give you an idea about what people regard as the strengths and weaknesses of each ... |
Blue and White collar | [
"Blue collar jobs are things that involve physical labor. It relates to stereotypical factory worker uniforms being made of heavy blue fabric. White collar jobs are those that involve office work. It releates to the collars on white dress shirts you'd wear with a suit. Sometimes you also hear about \"pink collar\" ... | [
"Can I request someone flesh out the Blueshirts in Ireland? From what I recall they were a right wing organisation from around the 30's- Would it be correct to say the IRA at the time were more communist leaning?"
] |
Why does the distance on earth have affect on temperature from the sun? | [
"The differences in temperature are not from differences in distance from the Sun. The primary effect comes from the angle of the arriving sunlight relative to the particularly place on Earth. The higher the angle of the Sun in the sky, and so the closer to vertical the sunlight is arriving, the greater the energy ... | [
"It doesn't. It just provides energy that, say, allows plants to produce sugars from carbon dioxide and water, or to extract nitrogen from the air and make it available as nutrient compounds, or for your skin to make vitamin D."
] |
Why would the color green be racist against Hispanics? | [
"To be authorized to live and work in the US legally you must be issued a permit of legal residency, commonly referred to as a \"green card\" due to its color. Many Hispanics are in the US illegally due to the porous border with Mexico, leading to the connotations of selecting Hispanic people based on possession of... | [
"Speaking only from personal experience I would say there absolutely was. I remember when I was a kid being told not to go to the \"Hadji Store\" on the corner. The family was from Pakistan. Don't know what a Hadji is, but I'm pretty sure they weren't it. The entire neighborhood didn't trust them, and they eventua... |
How does plaque form cavities? | [
"Plaque is composed of bacteria. They eat the sugars and food stuck on and between your teeth, breed, and poop. They poop foul-smelling acids that dissolve the enamel that protect your teeth, forming cavities."
] | [
"Cause our diet is completely different now. Sugar is everywhere and it destroys your teeth."
] |
Why do most lamps need to click twice to turn on/off? | [
"Because the switch is intended for a 3-way bulb, but there's only a standard bulb installed. With a 3-way bulb, it would go low-medium-high-off."
] | [
"I hope this comports with the subreddit guidelines. South of Paris is a chateau called the Vaux-le-Vicomte. It's purportedly the last privately owned grand chateau in France. It was built in the 1600s. They give tours and one of the features of the tours is that they they light the chateau with candlelight. And th... |
Why do we bend our arms when we run? | [
"Animator (among some other hats) here. The real reason is to counter balance what your hips and legs are doing. When you run there are a lot of big observable differences, such as you leaning forward, you leaving the ground, a larger stride, etc. When you walk and run your hips and shoulders rotate in 3d space cou... | [
"Wow, lots of grammar nazis here. For lack of better words myself I'll leave this here for them: _URL_0_ There's a discusson on this here: _URL_1_ ...but I've also heard it is because your blood is flowing away from the cold areas, which exposes your nerves to the skin. Don't know about that now that I read that ot... |
Why is the upside down flag offensive on a PacSun shirt, but not as the House of Cards logo? | [
"The news is a pretty random thing. Some stories get picked up, others don't. *Sometimes* there's deliberate bias involved, because the media want to spin a certain narrative. But other times it really is just random. So this story about the pacsun shirt took off, the House of Cards logo didn't. Also, you have to r... | [
"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.... |
Physicists of reddit, I recently read that a particle becomes heavier the faster it moves. Can anyone affirm/explain this phenomenon? (repost from /r/askreddit) | [
"It should be noted that this notion comes from the fact that the concept of [relativistic mass](_URL_0_) used to be used to explain how some equations change in special relativity. However, it's not a good way to think about it and leads to confusion, so the concept has fallen out of favor and the equations are no... | [
"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"
] |
What is a chemical bond at the most fundamental level? | [
"Ultimately, chemical bonds are situations where electrons are shared between atoms in a way that reduces the energy of the system than if they were not shared. Check out these molecular orbital diagrams to get a visual taste of this phenomenon: _URL_0_"
] | [
"The _tip_? The tip is not the hottest part. The _base_ is. One only needs to look at the colour of the flame. The light emitted is due to blackbody radiation of soot and other molecules in the flame. Therefore, the hotter the flame, the lower the wavelength of photon emitted. Let's examine a typical [candle](_URL_... |
Why don't we have the technology to desalinate ocean water for human use? | [
"We have multiple technologies for desalinating water. Reverse osmosis, or even old fashioned evaporation/condensation would do the trick. The problem is the energy required to do so is enormous because dissolving salt into water is strongly favorable both from an entropy and enthalpy perspective. There are large s... | [
"It would cost a lot of money. That money would have to come from taxpayers. Folks with modest income don't expect Government to start taxing the rich exclusively, given their political power. You can't tax poor people, they have no money. That means the tax would be on middle income people, and they don't want to ... |
Why aren't gay people allowed to give blood? | [
"Being gay itself doesn't prevent you from giving blood; men having sex with other men does due to risks of HIV. It's not some kind of anti-gay conspiracy since they are not preventing lesbian women from giving blood."
] | [
"Costs money to build and maintain the facilities, some countries don't feel like taking on the burden of that cost."
] |
Why are humans so smart? | [
"Definitely not a full answer but... Our bodies - our thumbs are awesome for gripping tools. We are also very good endurance runners. It's thought our early ancestors chased down food for miles in the heat of Africa. Culture - we can pass down knowledge between generations. This one can't be stated enough. Teamwor... | [
"Short answer is we’re not. Take a read at this article from 2015: [forbes](_URL_0_) There’s really no short answer for this other than it’s a lie."
] |
What does the USA expect to achieve by imposing economic sanctions on countries like Iran and Cuba? | [
"It keeps them from engendering enough money to prosper and cuts them off from the lion's share of international trade. If the US blacklists you the majority of states are forced to do the same else they risk being next on the list. It's a way to coerce a state into abiding by the will of the US without using milit... | [
"\"America\" can't, but Texans in his district certainly can. Once every two years they get the opportunity Mr. Smith is a congressman, and he represents one particular place. Only people from that place get to vote for or against him. Unfortunately Mr. Smith represents a wealthy area near Austin, Texas where I sus... |
The most prominent members of the current US president elections and their main political beliefs | [
"I would like to know this as well (ignore the username)."
] | [
"Hello. Perhaps [this](_URL_1_), [this](_URL_2_), and [this](_URL_0_) thread might help get you started. [Here](_URL_0_) is a thread analyzing a misleading meme that was highly upvoted in the Donald Trump subreddit."
] |
Why can't I put a Playstation 4 disc into a Playstation 3 if they are both blu-rays? | [
"It will be able to read the disk, but it won't understand the language of the data on it. I can give a Chinese man a letter I wrote on paper, but he won't be able to read it."
] | [
"Look at it like this: They were species closely related to us, similar to goats to sheep, or dogs to wolves or coyotes. Sheep and goats can have viable offspring (that cannot reproduce and so cannot create a viable offshoot) even though they are two distinct species. Dogs, wolves, and coyotes can all interbreed, a... |
why are metals shiny? | [
"Materials absorb and emit light because of *electron energy levels*. Normally, when light hits an atom, it causes an electron to jump up to a higher energy level. Depending on the atom, only certain electrons can jump, and only to certain open energy levels. The distance between those two \"slots\" determines the ... | [
"To view digital displays, there needs to be contrast. In bright environments, the ambient light reflects off the screen, reducing the contrast of what you see on the screen. By raising the brightness, you increase the contrast of the display against the reflected ambient light."
] |
Why do we boil water to power turbines when there are other liquids (such as alcohol) with lower boiling points, requiring less energy? | [
"The alcohol has a lower heat capacity, as you note, it boils at a lower temperature. So it would deliver less energy to the turbines before it recondensed. Part of water's beneficial nature is an enormous heat capacity, it can store and deliver a large amount of energy as steam before it condenses and returns to l... | [
"This doesn't change between babies and adults. It's actually the exact same. What changes is they way we take our drinks as we get older. As babies we are drinking from a nipple (either an actual nipple of a simulated one on baby bottles). A baby has to suck to get liquid out of it. If you tilt a baby bottle, ver... |
what does 'gaslighting' mean in a relationship? | [
"The term comes from a classic old movie Gaslight. The husband was trying to make his wife think she was going crazy. He would move things around in the house, make odd little things happen and then act like he had no idea what she was talking about. So in a relationship it translates to any situation where one per... | [
"There's a black card, and everyone has a bunch of white cards. The white cards basically fill in the blank given by the black card. Funniest match wins"
] |
During WWII, did the peoples of the smaller Axis powers (Hungary, Bulgaria, Romania) support the war effort and the new Axis alliance? | [
"[The Romanians were rounding up and killing Jews so fast the Germans had to tell them to slow down](_URL_0_). That said, the Greater Romania built after WW1 was mostly dismantled by Hitler through out WW2, giving pieces to Hungary, USSR and Bulgaria."
] | [
"In the country of Rwanda there were different groups of people. One was called the Hutus, and the other was called the Tutsis. The Hutus didn't like the Tutsis because the Tutsis had more money, and always bossed the Hutus around. Then one day the French government which was was in charge of Rwanda tried to allow ... |
When stores have cold items like packaged meat in open displays, are they wasting a bunch of energy keeping them cold? If not, then how are they efficient? | [
"Yes, they're wasting a ton of energy. Commercial refrigeration systems are generally more efficient than consumer-grade systems, but the electric bill of your average grocery store is still a whole lot of money. The loss from having open displays is offset by the increased sales over using closed refrigeration cab... | [
"It's depends on how air tight the room is. You will notice this with doors that are tighter to the carpet and not under cut. Take a door that you can't slam because of this and open a window in that room the air will be forced out the window and the door will close easier. Opening or closing a door rapidly will ge... |
How can cats and dogs drink dirty water and eat poo (usually) without getting seriously ill? And how come humans can't? | [
"We can drink \"dirty\" water. See any underdeveloped country. You can't drink dirty water only because you haven't been doing it your whole life."
] | [
"It's because of sensory adaptation. If we're honest about the situation then we realize that going INTO a casino or a smelly car is just as likely to grab out attention. Sensory adaptation is what happens whenever your brain is exposed to the same stimulus for an extended period of time. So if you're inside for an... |
If dogs evolved from wolves, did cats evolve from panther like creatures or have they stayed relatively the same for the past few thousand years? | [
"More likely the opposite. All cats evolved from a proto-felid animal that would have looked a lot like a [viverrid](_URL_0_) of some sort. It was relatively recent, only about 10-15 million years ago. A lot of detail is found [here](_URL_1_) From this point cats evolved into multiple branches. Some became larger a... | [
"When the caterpillar is in the cocoon, changes start to take place, similar to how the caterpillar developed inside the egg. Or similar to how a fetus develops inside its mother's womb. Different genes are turned on in different parts of the caterpillar, causing different cells to develop in those areas. Slowly, m... |
How is it that deep sea animals aren't crushed by the pressure of the ocean? | [
"Because they're the same pressure inside as the ocean depth is outside. As a human, you're filled with gases at near 14.7psi and fluid in contained pockets. Add 1000psi to the outside of your body and those pockets like your lungs and eyeballs will squish."
] | [
"> But, why doesn't Mercury just crash into the sun and why doesn't Pluto just \"escape\" the Solar systems with it being so far away? Because the planets are all moving sideways, which causes them to fall toward the sun, but always miss. That's really all an orbit is. It's actually quite difficult to get an object... |
I've seen a few people around the internet claim that the famous Friday Night, Saturday Morning Life of Brian interview was a large contributor to the demise of establishment organised religion in Britain in the eyes of the masses. To what extent is this true? | [
"You might be interested in [this older answer](_URL_0_) by /u/yodatsracist, which outlines the current major theories in scholarship for why *Western Europe* as a whole (not just England) is less religious than the U.S. as a whole. As you might imagine, what these arguments have in common is that they are structur... | [
"There are two major \"leagues\" in American football. The Superbowl is the game at the end of the season where the \"winners\" of the two leagues play each other. Non-sports fans like to watch because halfway through the game there is a \"halftime show\" that usually features a major band or musical group. Also, p... |
How bad are wood-burning fireplaces for human health? | [
"The wood smoke itself has adverse effects on your health. The amount of wood smoke in your house would depend on the fireplace and if it is set up in the right way. _URL_0_"
] | [
"I imagine it becomes something they are used to and/or background noise. It's the same for people who leave the TV on while they sleep. The TV may be loud but they've gotten used to the noise so it doesn't bother/wake them."
] |
What is happening in the brain when you are struggling to remember something? | [
"Broadly, long term memories are considered to be encoded as pathways throughout the cortex. Struggling to remember something might mean that certain pathways have been underutilized or have been disrupted on a cellular/molecular level. This perspective article from the journal Neuron might be useful: _URL_0_"
] | [
"It stays on the disk until it is overwritten. Your computer basically takes the part of the disk the memory is stored on and says \"this stuff is ok to overwrite with new data.\""
] |
How are [most] people able to determine whether a person of the opposite sex is old enough to be sexually attractive? | [
"It's biologically programmed. Look any literally any other species that reproduces via mating, as soon as they're ready to reproduce they just go at it > I'll admit that I've felt uncomfortable at myself for taking second glances at high school kids as an adult) You shouldn't feel uncomfortable. Assuming that it ... | [
"This is a question that is still up in the air. A lot of studies that suggest those things were frequently helpful for our caveman ancestors. As some random examples: Symmetry is often a good indication of health, which is useful if you're trying to have kids that will survive. Complementary colors are something... |
Why are older veterans wearing hats stating the war they fought in? | [
"Because they're proud of their service and veterans of certain conflicts think of it as a brotherhood."
] | [
"401K refers to a section of the USA tax code that allows employees to reserve a portion of their yearly income and put it into a retirement account (referred to simply as a 401K). The money that you put into your 401K is pre-tax. Example: You make $20,000 in 2014. You have $2000 of that put into your 401K. Come ne... |
If we hear our own voices as lower than they actually are, how can we match pitches when we sing? | [
"Your voice consists of many many different frequencies superimposed - a \"fundamental\" (the lowest one) and many \"harmonics\". Your head just blocks/absorbs the harmonics (blocks higher frequencies more than lower ones). This means that when you hear your own voice you mainly hear the fundamental + the lower har... | [
"The only danger associated with inhaling hydrogen gas (so long as it doesn't ignite) is possible asphyxiation due to the lack of oxygen being inhaled. This danger also exists in inhaling helium and to the same extent. So as long as the helium doesn't kill you, you can perform the same actions with hydrogen instead... |
What happens when two perfectly smooth surfaces meet? | [
"In reality, surfaces aren't perfectly flat because objects are made of discrete atoms, so there is bumpyness at the angstrom level. If you have two \"atomically flat\" surfaces come together, they can merge in what is called [cold welding](_URL_0_). However, surfaces will rapidly form an oxide layer when exposed t... | [
"You seem to be describing a variant of the [ladder paradox](_URL_0_), just using a train and tunnel instead of a ladder and a garage, he he. > What does the outside observer see? The outside observer sees the front guillotine make a cut, then later after the train has passed further through the tunnel, the back g... |
Digital Millennium Copyright Act (DMCA) | [
"The DMCA does a couple things: * Makes it illegal to break copy-protection (for example, if you download a song that has DRM protection, you have to \"obey\" the DRM.) * Makes DRM-breaking tools illegal * Makes you responsible for these illegal things, instead of innocent bystanders like your Internet company or w... | [
"There is a site, _URL_9_, that does an ELI5 for each xkcd strip. This particular strip is explained here: _URL_9_/wiki/index.php/1545:_Strengths_and_Weaknesses Your question isn't answered directly in the Wiki, but it does contain a link to the MCA (Most Common Ancestor) wiki article, here: _URL_11_"
] |
why is a room heated to 65 quite comfortable, but a room cooled to 65 is freezing!?!? | [
"Temperature contrast and adaptation difference. When the room is heating, your body adapted to the cooler temperature, thus it relaxes and your blood vessels slightly expand (they were contracted to lose less heat). When the room is cooling that means your body adapted to conduct more temperature (expanded blood v... | [
"Cooking meat to temp is primarily to kill off bacteria. While it does affect the result in terms of texture and taste, it doesn't change the overall structure of what you're eating. A steak is still a steak at 135° or 160° or even raw at room temp. Baking is more of a chemical process. Just getting the center of a... |
the difference between "--which isn't saying a lot" and "--which is saying a lot", or something along those lines | [
"\"That's not saying a lot\" is a way to make a statement seem less impressive than it would otherwise and \"that's saying a lot\" makes it sound more impressive. If you said \"he's probably the best teacher in that school, which isn't saying a lot\" that would mean that the school has a lot of crappy teachers, so ... | [
"I have a question for you. Do you want the version that is super, super long and includes a write-up on what actually went down at Munich, and the subsequent responses back and forth? Or do you want the shorter version that only talks about media coverage of the incident and how it changed things?"
] |
why is it so easy to get a tan but so hard to lighten my skin? | [
"The human body has (depending on your genetic makeup etc.) mechanisms for increasing production of melanin (the pigment associated with tanning), but simply lacks any mechanism for lightening your skin."
] | [
"I found this basic experiment after a quick google search: _URL_2_ TL;DR: Measurements after a 1h exposure in the sun: Black shirt: 130 °F, white shirt: 107 °F (Difference: 23 °F or 15 °C). Admittedly not the most rigorous of experiments, but it shows that the phenomenon is real and that the difference can be mor... |
If there was a rope going from the moon to earth with two people at each end, what would happen if one of them pulled on it? | [
"The difference in speed between the two surfaces is in the thousands of km/h. The test could not occur."
] | [
"This question is pretty tough to imagine. Here's something that might help: Imagine you live on a [Möbius strip](_URL_0_). You're facing straight down at all times. You leave a ghost image of yourself as you go around the strip. Travel fully around and you get back to where you started, still looking the same way.... |
What is the difference of nut vs seed vs drupe vs fruit? | [
"A nut has a hard shell with a seed inside that usually does not open (Like an acorn). A drupe has a fleshy (soft) shell with the seed (or pit) inside like a cherry. A fruit is just the fleshy soft part surrounding the seeds. If you planted a peach pit it would grow because it is also the seed! At least thats my u... | [
"[Seems to have been just a sound change.](_URL_1_) The sound /r/ was lost before /s/ in words like curse (cuss), parcel (passel), and burst (bust). Sound changes like that are typically systematic, even if they don't happen to every possible word - words like *worse*, *course*, and *fierce* were apparently not inc... |
How is Rule XIX of the U.S. Senate constitutional? | [
"It's literally in the Constitution. Article 1, Section 5, Subsection 2: \"Each House may determine the Rules of its Proceedings, punish its Members for disorderly Behaviour, and, with the Concurrence of two thirds, expel a Member.\" The Senate created Rule XIX for itself to govern the behavior of it's senators."
] | [
"I heard its supposed to be the ass of a bent over woman but I don't know if that's true."
] |
Why do fresh water fish need fresh water and salt water fish need salt water? | [
"Their bodies are adapted to their environment. Fresh water doesn't have a lot of salt, so fresh water fish don't have a lot of salt in their bodies. Salt water has a lot of salt, so salt water fish have a lot of salt in their bodies. If you put a fresh water fish in salt water, it's not used to that level of salt,... | [
"Amphibians explore and migrate during cool moist weather. They can cover a lot of distance that way, especially if they can find damp places to take shelter in between stages of their journey. Most animals (including us) are also perfectly capable of smelling water from a good distance. Wind blowing across a body ... |
What is the point of a rebate? | [
"It encourages people to buy a product, and then most of them forget to send it in."
] | [
"Competition among restaurants to show that they were giving the customer the best value for their dollar. \"Well, this place gives me this much food for $5, but that other place gives me even more for the same price!\""
] |
I am wondering what is the oldest known human created artifact discovered? | [
"This is a question better suited to /r/AskAnthropology"
] | [
"_URL_0_ Mainly because it blows wide open the idea of civilisation at that time being technologically primitive. This thing is extremely advanced, both in its construction and in some of the complex calculations that they now think it was designed to perform."
] |
How can all dogs originate from wolves. They way I understand the statement it implies that man domesticated wolves a few thousand years ago and all breeds descend from then. Is this possible? | [
"find the calmest male and female wolf you can. breed them. repeat until you end up with a permanent puppy. This was done for [foxes](_URL_0_) in the span of 50 years"
] | [
"The reasoning goes like this: The Moon missions brought back Moon rocks, which when studied, revealed that the Moon is primarily compromised of a kind of rock also found on Earth. Hence, scientists believe that the Moon's material came from Earth at some point. They also know that when Earth was formed, the materi... |
Would rainbows occur on planets that don't rain water, but instead rain things such as methane or sulfuric acid? | [
"Ended up reading all sorts as a result of this question because I was extremely curious what a rainbow on Titan would look like. Ended up installing a fascinating program called [Mieplot](_URL_3_) and used the refractive index of liquid methane to try to work it out. I failed miserably trying to use the simulation... | [
"Each element has a very specific and unique set of wavelength that it emits when excited, called its emission spectrum. Say we measured the wavelengths from a star and found that they were all very close to the hydrogen spectrum wavelengths, but all slightly lowered by the same amount. No other element has that se... |
Myth or Fact: Did the U.S. political parties switch platforms? | [
"Not to discourage further discussion, but there is a whole section on the FAQ [here](_URL_2_) regarding this very topic"
] | [
"They can and do. Illinois' 4th and Florida's 5th are prime examples of the dems gerrymandering. Unfortunately the only way our government tries to fix gerrymandering is with more gerrymandering. Edit: got my districts mixed up"
] |
Being caught for piracy. | [
"For direct downloads from a server, they have to either seize the logs of the server, or work with ISPs or other men in the middle to figure out who is downloading what. For bittorrent and similar peer to peer systems, it's pretty trivial. Find a torrent you want to monitor, join the downloaders, log the IPs of th... | [
"Depends. Probably the simplest thing is viral pneumonia leading to severe respiratory failure leading to death. If you have other long term illnesses these can also be triggered (e.g. someone with coronary heart disease might possibly have a heart attack due to the various stresses of being very unwell). Sourc... |
Was there ever an anarchist country where everyone in the country lived with no government? How long did it last? Was it a good life, or a terrible one? | [
"One notable example would be the Free Territory of Ukraine, formed in 1918 after the Ukrainian Revolution. This was an attempt to create an anarchist society, although it got caught up in the Russian Civil War of 1918-1922. While it had its own military (more or less), the area it claimed in eastern Ukraine fell u... | [
"I've always been fascinated by the wide variety of \"Fall of Rome\" arguments and how they're affected by historical perspective. I was wondering: **Does your historical specialty advocate a certain theory for the fall of the Roman Empire? or what's a unique argument for the fall of the Roman Empire that you've co... |
The concepts of stare decisis and res judicata. | [
"*Res judicata* is the principle that courts do not want to decide on matters that have already been decided. For instance, if I sue someone based on an injury and win, a court may dismiss my case if I later sue that person again based on the same incident with a slightly modified claim, even if the second claim ma... | [
"Just a sidenote: I made my graduation and master degree about jesuits in Japan and how the perspective of death changed for the converted christians. Readint the missivas - the jesuit letters - I found a lot, really a lot, of japanese who converted for the sake of eat meat. Yes, cow meat. Jesuits had a big impact ... |
Do antibiotics have any effect on viruses or fungi? How about antivirals or antifungals on bacteria? | [
"Cool question. Bacteria, fungi, and viruses are fairly different in terms of the molecular machinery that they use (which is what drugs aim to disrupt), so there doesn't tend to be overlap between the drugs that work on them. For example, many antifungals target the ability of fungi to synthesize ergosterol, whic... | [
"Antiviruses hook system calls to add their verification routines. System calls addresses are stored in the system service dispatch table (SSDT). Simply put, when a program wants to open a file, it tells Windows \"Open file.txt please\", and Windows looks at the SSDT where is the function to open a file, and calls ... |
Books on U.S.-Native American wars | [
"I quite enjoyed: Jill Lepore, The Name of War: King Philip’s War and the Origins of American Identity (New York: Vintage Books, 1999). It covers one of the earlier conflicts to take place and explores some of the different perspectives and sources on the conflict."
] | [
"A lot! O'Callaghan is a good general history. Also check out: [Medieval Spains](_URL_2_) -another good general work [Reconquest and Crusade in Medieval Spain](_URL_4_) - another O'Callaghan, talking in particular about the philosophical underpinnings of the Reconquest [Medieval Iberia](_URL_1_) - a collection of p... |
Why is anorexia considered a disease and not a social disorder? | [
"It is a mental disorder just like depression, ADD, etc and mental disorders are considered diseases. There are chemical imbalances in the brain."
] | [
"Models are not about being attractive to the opposite sex...they are about making clothing look good. It is easier to make clothing look good on a thin frame."
] |
What were the primary causes for the rapid decline in Indigenous Latin-american People's populations post-European contact? | [
"You may find [these threads in our FAQ](_URL_0_) helpful as a starting point."
] | [
"I've only learned about my country's (Latvia's) history and that was in highschool, so, I won't be able to go in detail. Basically, there were 4 states in my country. 13th century was when the last state (Kurzemes) was finally taken over (actually, it sold itself more than the crusaders took it over). There was no... |
why are saltines and ginger ale the choice of food when sick? | [
"They won't upset your stomach and the simple carbs are decent to give you some energy. Ginger ale, and ginger in general has been used for a couple thousand years to quell nausea."
] | [
"Marketing basically. Decades and decades of TV ads hammering home the idea that if you want to be seen as a normal successful member of society, you drink orange juice in the morning."
] |
why are clothes cheaper in outlet stores? | [
"Usually it's from old season or when they have a surplus of a product that they thought was going to be a big hit but didn't sell. There are also some outlets that are the same name but come from a completely different factory with crappier material. I'm Canadian, so for example the company Roots. The \"normal\" s... | [
"Your question reminded me of this frikkin awesome documentary of about planned obsolescence. [Video snippet](_URL_0_), and the whole documentary, I can't find... but Im sure someone else may be able to. ELI5 version: Because companies want you to keep them in business."
] |
When you get a cut on your fingers, how does your body know exactly how to replicate the fingerprint if it has been cut? | [
"If the cut is superficial and doesn’t cause substantial scarring then your fingerprint will grow back. You probably already know that the skin is made up of the dermis and epidermis and that the epidermis itself is also layered. The reason superficial cuts don’t get rid of your finger print is because it is caused... | [
"Inside our ears are special hairs with many different sizes that act as tuning forks that vibrate when different pitches or frequencies of sound are heard. Our brains process all these pitches from different-sized hairs together to generate the sounds we hear. Since we hear pitch, our brains can tune into a certai... |
What is ethernet and how does it differ from regular internet? | [
"Ethernet is just the particular type of port and network protocol which is used in wired ports to your computer. You probably know what it looks like: a larger, wider telephone connector. This is generally only used in local networks, and once it leaves the building changes to cable or fiber of some sort. The Inte... | [
"We also have smaller things called capillaries. Think of veins and arteries as highways and capillaries as normal streets. There are very few businesses and houses on a highway but they provide quick and efficient acess to the streets that do."
] |
why is returning a car that has issues different from any other consumer good? | [
"(1) The contract that you sign when you buy the car changes your legal rights from what you'd normally get by default. For example, you get a limited warranty that says \"If this thing breaks in the next 36 months, we'll fix it,\" but you give up the right to take the car back if it had some manufacturing defect.... | [
"Imagine you have a machine that reads a ribbon of symbols and follows an instruction based on those symbols, such as \"advance one step\", \"rewind 3 steps\", or \"stop\". Now imagine some kind of glitch occurs and the machine finds itself unable to continue acting the way it's supposed to due to getting the wrong... |
Why do dogs tilt their head sometimes when they hear certain sounds? | [
"Not entirely sure the truth but I was told by my anthropology teacher. That the reason for the head tilt is to get a better perspective on the object that they are looking at. This is because the way the eyes are positioned on a dog. The tilting of the head allows for better depth perception as well as forming a b... | [
"Your speaker wires are acting as an antenna and thus your speakers play what the wire pics up. You can better insulate your speaker wire to get rid of it, or you can try moving your wires around a bit."
] |
Why do bees die when they lose their stingers? | [
"Most bees will never reproduce, so sacrificing their lives for the colony does not effect the evolution. When a stinger is left in its victim it causes greater pain and incentive to stay away from the colony, effecting the evolution."
] | [
"Your title seems to imply that in two rocket engines that are identical in every way except for the ability to throttle the one with the ability to throttle would always produce a lower Isp. This isn't the case. At the same throttle level these two engines would have the same Isp, but as the throttleable engine re... |
It's been 12 years since the tallest roller coaster was built. Is there a limit to roller coaster heights, or what is the reason why there hasn't been more competition? | [
"It's really about cost and safety. Look at the example of Drachen Fire coaster in Busch Gardens in Williamsburg, Virginia. It was a fast steel coaster that ran from 1992-1998. It has a 150 foot drop, reached 60 mph, and had a special double bend that produced a split-second of zero-gravity effect. The problem was ... | [
"Think of radar as light. Essentislly it's light your eyes can't see. Now we want to see something, we shine a light on it. When you don't want to be seen, you paint your plane a color that makes the plane look like the rest of the sky around it. Blue or grey. Now to see the plane a radar development has to be made... |
I don't understand the federal assualt weapons ban expiring and now possibly being re-introduced. What did it do? What was then allowed after it expired? If it's brought back, what then? | [
"The ban put some superficial limits on new weapons purchases, such as placement of grips, folding stock, extended magazines, etc. Essentially weapons that were \"souped up\" and/or gave a more dangerous appearance. If you already owned weaponry that met the \"assault weapon\" definition prior to the ban going in t... | [
"...Why do they *have* default subreddits? Do they ever remove them? What makes a subreddit default-worthy? I'm five years old, please explain... Thanks in advance! Also, before they add a new subreddit to the default list, do they ask the owners' permission first?"
] |
How and when did potatoes get to Westeros? | [
"While Maester Daniel has alluded to the existence of a mysterious root vegetable called \"potatoes\" in his *The Prince of Winterfell*, the identity of this plant is unknown. Archmaester Martin, widely regarded as *the* authority of Westerosi cuisine makes no mention of such vegetable in any of his numerous and ex... | [
"Hi, it would probably be worth x-posting to /r/heraldry (or maybe even /r/genealogy?), but while you're here, you might be interested in a couple of recent threads on coats of arms * [Did noble families in the middle ages have a family sigil and/or motto like in Game of Thrones?](_URL_1_) * [Irish family crests/co... |
If dark energy is responsible for the expansion of space in all directions, then does that mean that the space between the Sun and Earth is also expanding? | [
"Dark energy is not responsible for the expansion of space. Dark energy is responsible for the increased rate of that expansion happening (the acceleration). Expansion is a generic property of how we model cosmology and would exist even without dark energy (for varying amounts of time depending on the energy conten... | [
"Inflatable beach balls are mostly empty space, too. The thing is, light bounces off the outside surface of the beach ball and back into our eyes, just like it bounces off the electrons around an atom's nucleus."
] |
If we have so much trash in our oceans,why dont we just take it and put it in those holes in the ground filled with lava? | [
"Because burning trash creates air pollution. You're replacing one form of pollution with another form of pollution."
] | [
"Incidentally, this is the problem that _URL_0_ is trying to solve. Here is the map of the overall plan: _URL_1_ There is enough solar energy in the Sahara desert in 6 hours to power the entire world in 1 year. From the Sahara, they plan on connecting Europe with underwater high voltage direct current lines. The p... |
We have the Middle East and the Far East. What is the Close east? | [
"The Middle East is a term used in modernity. In ancient history the same region is called the Ancient Near East."
] | [
"Could you specify your question (time, place)? \"Dark Ages\" refers to many different time periods in history, but I am assuming you mean the Early Middle Ages? This is a pretty wide topic to cover in a reddit thread."
] |
Why do passengers in cars feel lag and lean forward/backwards when a driver changes gears? | [
"Guess it's the fact that the driver knows when he shifts gears and the passengers don't. Next to that, stopping the acceleration gives a momentum which causes people to 'lean' as you call it"
] | [
"Fast internet and faster servers. Human reaction times are on the order of 100ms or so. Ping time, which is round-trip packet flight time is often on the order of half that or so. Round trip is therefore on the order of human reaction if you give the server a little time to do stuff. Also, the server only sends b... |
What did dust-mites do before buildings were invented? | [
"Dust mites generally feed on dead skin cells and mold. Those have existed long before buildings were created. Nesting sites like burrows for small mammals will have dead skin cells that have naturally flaked off or scratched off when the animal groomed themselves. Even humans and pre-humans had homes, from as sim... | [
"Do you have a particular geographical region or time period in mind? You're more likely to get a good answer if you are more specific than \"people in the past\"."
] |
Are Piranhas really as vicious and dangerous as movies and people make them out to be? | [
"Not at all. They feed on dead tissue unless starved. I believe they gained their reputation from some old story in which a local ruler did exactly that(the cow thing), but failed to tell his audience the fish hadn't eaten in days."
] | [
"Fish don't magically adapt to their tank's size--this is a myth. However, fish kept in a tank will often never reach their full size based on [a number of factors](_URL_0_): malnutrition, muscle atrophy, genetics, chemical buildup, etc."
] |
In females usually only one of both X chromosomes is active, the other one is completly silenced through a process called Lyonization. Now if this is the case, then what exactly is the problem in a XO situation (Turner-syndrome)? | [
"The inactive X isn't completely silenced, it's only about [85% silenced](_URL_0_). Some of the genes that escape X inactivation are in the [pseudoautosomal region](_URL_1_). So if you're missing one X chromosome then some genes will be expressed at wrong (too low) levels, leading to the symptoms of Turner syndrome... | [
"It's worth noting that while it's not a big deal for modern jets, it was a big problem in World War I for those early fighter planes. The engine and gas tank rotated along with the propeller, so the torque of the engine would try to rotate the plane - in the Sopwith Camel, for instance, it would try to rotate to t... |
Why don't North Americans use water for cleaning after "number two"? Probably nsfw | [
"According to an answer from a similar question. North America adapted indoor showers early and daily bathing became a thing before the bidet was able to catch on. I unfortunately can't back that statement."
] | [
"Your body utilizes (relatively) a lot of energy and blood flow resources towards moving the bowels. The peristaltic movements, though mostly involuntary are significant draws of passive energy requirements of the body. TL;DR Once you are done pooping, your energy and resources can go to other places!"
] |
How do we known the expansion of the universe is increasing (or not)? | [
"There are two things happening here. First, what you're describing is Hubble's Law. Deep space objects are red shifted, and the further they are from us, the more red shifted they are. We'd observe this in an expanding Universe, regardless of whether the expansion was constant, speeding up, or slowing down. The se... | [
"By measuring the Doppler shift of spectral lines in Andromeda."
] |
why is Florida the only state where alligators and crocodiles live side by side? | [
"Alligators are more tolerant of colder water and weather, and thus are found not only in Florida but in Georgia, Louisiana, Alabama, Mississippi, Texas, Arkansas, North Carolina and South Carolina. Crocodiles are much more susceptible to cold and for that reason they are only found in Florida, and only in south Fl... | [
"There are lots of ways for animals to traverse the earth, not to be trite. Addressing your specific example, this wiki. _URL_1_ Indonesia was at one time linked to the rest of the islands in that part of the world, when sea levels were lower due to so much water being bound up in polar glaciers. When the glaciers... |
How are different varieties of cheese made differently? | [
"Different ingredients, different storage situations, different flavirong, different length of time they are aged."
] | [
"[this article](_URL_0_) answers your question quite perfectly It's an interesting read, but if you want just the answer, here ya go... > Scientist Nancy Knight (at the National Center for Atmospheric Research in Boulder, Colorado) was studying wispy high altitude cirrus clouds. Her research plane was collecting sn... |
What is the process for movies to film scenes at major sites that are usually crawling with activity? | [
"Money. They just pay into the local economy and get to shoot there. The city area will get notified in advance. City workers help close off the area needed while filming as everyone flocks to watch the filming happen. Win win for all."
] | [
"It has to include equipment, pay for employees (all cast, crew, and extras), fees, *food* on larger productions, constryucting sets, making costume,s all of the makeup artists, set design, sound guy, camera guy, lighting guy, dozens of other specific jobs, and yes, the actors."
] |
Why are some people "mouth breathers" and other people "nose breathers"? | [
"It's more natural for people to breathe through their noses when they are at rest. In about 85% of cases, mouth breathing is caused by blockage in the nasal cavities that prevents people from getting enough air through their noses."
] | [
"Imagine any drug you take is like a key and that key can only fit into certain keyholes (receptors) on certain doors (target organ/tissue/nerve etc). There are different types of muscle relaxers (keys) that open certain doors and causes a reaction to occur behind that door (this is the drug action). This is how th... |
Are there any noteworthy books on Western Civilization written by Asian historians? | [
"You may be interested in Amin Maalouf's *The Crusades through Arab Eyes* ([Wikipedia](_URL_0_)), though it should be noted that by the time the book was published, Maalouf had already lived in France for several years because of the Lebanese Civil War. Similarly, many of the most important books on the British co... | [
"Hi - we as mods have approved this thread, because while this is a homework question, it is asking for clarification or resources, rather than the answer itself, which is fine according to [our rules](_URL_1_). This policy is further explained in this [Rules Roundtable thread](_URL_3_) and this [META Thread](_URL_... |
In Koine Greek, are the words for sun (helios) and son (huios) ever used as a pun? | [
"Speaking as someone who spends a lot of time in Koine Greek literature, the answer is \"not that I'm aware of.\" They seem close in pronunciation at a surface level \"from the outside\", but they are not actually that close in pronunciation - apart from the endings of these two words they have very little in comm... | [
"I leak check high vacuum systems with He gas, the second smallest atom after H. What I can tell you is helium gets through EVERYTHING, just very slowly. That means, of course, there are little holes between the atoms in the structure of the Viton orings, aluminum flanges, steel tubes, etc, that will *eventually* a... |
How can computers get faster every year while still being the same size? How is this possible? | [
"As cutting technologies increase, the size of a transistor can get smaller. So where you could fit one transistor now you can fit 2 and increase the processing power by 2. This is a simple example as processors now have many billions of transistors in them. The only limitation then becomes the molecules cannot be ... | [
"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."
] |
What causes a blackout when drinking? | [
"The alcohol fucks with your hippocampus making you temporarily have trouble creating new memories. Also there's evidence that blackouts aren't necessarily caused by a high total amount of drinking but by drinking too much too quickly. So like if you drink ten drinks in two hours, you may black out versus a person ... | [
"They black out games in local markets to make sure they get enough attendance at the games. It's the leagues way of selling tickets. The thought process is, people aren't going to the games because they can watch it at home, if we don't get enough people at the games we will take the home option away."
] |
Why do stretch marks feel soft? | [
"Believe it or not, skin is sort of similar to a car tire. Have you seen a tire that has a bulge on the sidewall or between treads? It's caused by an impact on the tire as it rolls (curb, large rock, etc.) that's strong enough to break the steel bands inside the rubber. The air pressure then causes the now unsuppor... | [
"You mean like the ones you only notice when you're watching someone sleep really closely for hours on end? Don't know."
] |
How exactly does porting a video game work? | [
"Ages ago (in computer terms) video games were often hand-coded in assembly language... that would mean when converting over to a new platform you would have to basically start over from scratch and rewrite the whole code, taking into account different registers, graphics and hardware capabilities, etc. Newer games... | [
"There are a number of things that will cause problems: * different instruction set (Macs used to use PowerPC, which is different than the more common x86) * different file format (the OS needs to be able to find things like the starting address and external dependencies) * lack of external dependencies (if the ... |
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