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Why do we (men) get morning wood? | Basically, unlike what you might think, it actually takes a muscle to contract to be flaccid. An erection is the relaxed state. During sleep, the brain sends a certain hormone thing to your spinal cord to prevent you from moving things that aren't necessary . This causes most muscles to react, including the little fell... |
what do insects do during the winter and how do they come back every spring and summer? | Some of them, having laid eggs that will not hatch/mature until spring, simply die. Others migrate. Butterflies are a common example. The rest hibernateThey live in trees or in houses. Basically wherever it is warm enough to survive the winter. Then they have babies and they repopulate and bug us again. |
why was the spanish pavilion 1937 built | Spain was engulfed in a bitter civil war in 1937, and the Axis-backed nationalists were winning. With WWII looming and a micro version already playing out in Spain, there was a lot of anti-war sentiment in the artistic communityHave have you given up on The Google? |
Can someone explain to me the monty hall dilemma? Why does switching doors give you a higher probability of winning? | Imagine you have 100 doors, and there is a prize behind one. You pick one door and then 98 others are opened. The prize is either behind your door, or the other one that is unopened. Should you switch? Absolutely, because you had a 1/100 shot of guessing right with your first pick, and a 99/100 chance if you switch. It... |
Why do antidepressants take several weeks to "kick in"? | After you take a drug, it starts getting eliminated from the body. When you take repeated doses before the drug is completely eliminated from your body, the concentration in your blood keeps increasing until you reach the desired "steady state", where there's a certain amount, and each time you take a dose, it replaces... |
How can we see the Milky Way if we are inside it? | We are on one of the spiral arms, about two-thirds of the way out. [This image] should do a good job of giving you an idea of where we are. When we "see the Milky Way", we're actually seeing the rest of it from our position in the galaxy. That is, we're seeing the centre. In that image I linked, imagine that you were l... |
What is the historical rate of return from the stock market | Which market? I would suggest you google "index funds" to get a general idea. Generally, you get 5%-12% per decade. |
if outerspace is a vacuum what stops it from sucking up our atmosphere? | The gravity of earth is stronger than the vacuum of space. One example of an element that is not, is helium. Its too light and after it has been released into the air, it rises and exits out atmosspere . The rest of the elements are too heavy ro escape without propulsion.> what stops it from sucking up our atmosphere? ... |
Why does China defend North Korea so often at the international level? | 1. North Korea is already a huge humanitarian crisis, but collapse of the regime means that a huge portion of that becomes China's problem more or less immediately. Millions of North Koreans would flee into Northeastern China, which already has a large population of ethnically Korean citizens. Actually keeping these pe... |
Why did the guitar become the go-to instrument for rock and the blues? | I think it's because the guitar, and it's variations, are one of the few instruments you can sing with while playing. Try doing that with a saxophone or violin. Adding on to that, it's a fairly easy instrument to learn and allows for easy of movement and performance, so its an easy fit. |
Some ads say tooth enamel cannot be restored, but others claim their paste repairs it. Which is true? | Tooth enamel that's gone is gone forever. Softened tooth enamel however can be chemically hardened to prevent it from being eaten away by further acid erosion. |
If energy can't be created or destroyed, what happens to the energy during radioactive decay? | The energy released comes from the nucleus undergoing a transition to a more energy efficient state. Since the new nucleus is more energy efficient, we'll end up with some spare energy. This is the energy that's released in form of radiation. |
Why isnt there any "getting used to a medication dosage pills" | Some prescribers will indeed start a patient on a sub-therapeutic dose to make sure the drug is well-tolerated, and tablets are often scored to be cut in half if needed. For a drug like venlafaxine, slow dose increases are standard, as higher doses are more effective but many patients would have unacceptable nausea if ... |
When is it safe to open the microwave door? | The moment you open a microwave door it shuts off automatically. So it is safe to open the door any time as opening the door causes the microwave to cease operation.Thanks for your comments! I'll make sure to tell her she's paranoid next time I see her. |
Why are some letters basically the same capital and lowercase (O, W, P) and some vastly different (G, E, Q)? | Our alphabet is derived from the Latin alphabet. The Upper case is essential the Latin. The lower case alphabet is derived from the Latin through an intermediate font called Carolinian minuscule. This is a smaller font derived from the Latin alphabet designed to be easy to read and quick to write. Changes were made to ... |
Tax brackets and how it affects tax returns | Your coworkers likely don't know how tax brackets work. That's unfortunately common. Here's a basic example of how they work and how your coworkers think they work. Let's say income between $0 and $50,000 is taxed at 20% and income over $50,000 is taxed at 30% - So if you earn $40,000 you will pay $8000 in income tax. ... |
How does organic milk have a shelf life of 2+ months? | it's ultrapasteurized. pasteurization is basically where you heat some liquid up real hot to kill all the germs. the "ultra" is just a longer, hotter method of heating the liquid up to kill even more germs for even longer. if you're over 5, you can read the wikipedia article [here] |
why does your body get really warm when you go indoors after being out in cold weather for some time | It has something to do with heat conduction. When you're in the cold, your body is literally losing heat to attempt to maintain your internal body temperature . Your skin becomes cold and your muscles start shivering to generate heat. Whwn a room is completely closed, heat starts building up slowly due to micro organis... |
Why does breathing into a bag help when hyperventilating? | When you hyperventilate your breathing pattern causes you to breath out too much carbon dioxide. If you breath in a closed environment the excess carbon dioxide you exhale will come right back into the lungs when you breath in the air again. |
Why do Dryer Sheets work so well at negating Static Cling? | The dryer sheet has chemicals which are attracted to the electrically charged fibers; once a particle of fabric "clings" to a particle of the chemical, the two together have a neutral charge, so they won't cling to other fabric particles.The chemicals in dryer sheets act as a lubricant to keep the clothes from creating... |
How did people in the Stone Age deal with diseases (viruses, bacteria, parasites)? | > How did people in the Stone Age deal with diseases and mental disorders? They either got over it, lived with it, or died. People died a lot back then. > Wouldn't they have died out at a certain time? Individuals did but overall they reproduced more. > Considering countries today are very developed and still thousands... |
If we don't know when Jesus was born how did Christmas become a celebration? | There are many December holidays that take place during this time, and December 25th was intentionally chosen to mimic them. Both to draw attention away from them, and make it easier for converts to switch over. Saturnalia, the Winter Solstice celebrations, and the birth day of Mithra, Mothers' Night, Yule, Yalda and D... |
What is a half-life? | Imagine you have a million pennies. Every hour, you flip them, and remove all the coins that come up tails. So after an hour, about half of them are gone, after two hours, 3/4th, etc. You don't know when any particular penny will come up tails, but with a little math, you make a pretty good guess at how many would be l... |
Waist size vs pants size vs belt size. | There is no standard for sizing. It only is *very roughly* related to your actual waist size. For example, a Levis 501 in 34 waist will fit quite differently from a Levis 511. Across different brands, it is much worse. I suggest you find a particular pair of pants that fit you nicely, and get others in the same style. ... |
Why a post will jump from 12000 upvotes to 7000, but OP only has 4600 link karma | I believe this is due to reddit sort of smearing the votes to prevents bots from upvoting a certain post to the front page[This] may help you understand why I am sort of unclear on it as well though. |
Why can I control an erect penis with my muscles and not a flaccid one? | You're actually controlling muscles at the base. You can control it flaccid, it's just nit as noticeable because the lack of rigidity. |
What's the deal with hot-wiring cars and how has it changed over time with advances in technology? | Traditionally cars operated on a pretty simple start up mechanism wherein a circuit was completed and the engine. As long as the circuit could be maintained then so could the car. This is actually still the primary principle however the safeguards to prevent a false start up are increased such as protecting from openin... |
what has happened to Cartoon Network? | That's a really good question. I feel like adult swim is the only thing keeping them around. Ive found myself watching Boomerang more and more lately because they have more variety like old cartoon network used to have. |
Explain how percentiles work? | "Per cent" means out of 100. Suppose you have 100 apples, and you rank them from most fresh to most rotten. The freshest apples would be the top 10 percent , and the most rotten would be the bottom 10 percent . |
The process that got the number "65 million", when it comes to dinosaur extinction, and why the process can be trusted. | The underlying science is based on dating various layers of rock found around the earth. ) Basically, scientists uses various methods to determine ranges for layers of rock that they find around the earth. These are then cross compared to come up with a basic timeline of large scale geographic events in earth's history... |
Historically, what happens to people of country X who live in country Y, when X and Y go to war? | Usually most civilians try to vacate. War is not always an overnight start, and people with a strong survival instinct try to book it. Otherwise they could have thier lives leveraged as a negotiation tactic, put in internment camps, or just plain be casualties of hate crimes. Thats just scratching the surface of what c... |
Why do we want to survive? | This question is sort of breaking into the realm of philosophy, but from the standpoint of natural selection, organisms with a natural impetus to survive are more likely to survive, reproduce, and pass those traits onto their offspring. It's just as true for humans as it is for any other living thing. |
How do coroners identify a body during an autopsy? | If police series are relatively accurate, there are a few ways this can happen. 1) The body has some sort of identification on them 2) Using specific body traits, like dental records, fingerprints, DNA, traceable implants, But these require them being in a database.3) Someone recognised the victim 4) Comparing a pictur... |
In games like Fallout and Skyrim ; why does fast travel always work outside but not once I go inside a building? | To prevent you from going into a dungeon, completing the quest objective, and fast travelling out of there. It means you have to complete the dungeon before leaving. Add to that the fact that all the game checks for is a flag on the cell/module that says it's indoors, and you also can't travel from Breezehome to Dragon... |
Why is subtraction so much more difficult than addition? | **Psychologically, we are "programmed" to accumulate rather than divest. As such, we start with accumulating and then learn to take away. Algorithmically, i.e., arithmetically, there is no difference.**I scrounged up a few theories online as to why this is. The general consensus is that partly due to our natural inclin... |
How does your tongue heal automatically after it gets burnt from hot food? | Heals automatically it takes me 2-3 days for my tounge to stop hurting when it gets burnedYour entire body heals after an injury. Your tongue is no different, the body has mechanisms in place to heal damageIt takes blood to heal things. Your tongue has a lot of blood in it, which helps it heal fasterAre there parts of ... |
How comes games for consoles lack mod support that their pc versions have? | Modding a game generally goes against the policies that developers have to agree to to get their games on the console. Making a game moddable generally opens up possibilities for exploits that enable piracy and unwanted use of the system. On top of that, games for consoles are very streamlined and made to be perfect on... |
Why didn't coffee evolve the same way as tea, with everyone using little one-use bags of grinds just like tea? | Yes, it is a taste issue, but coffee bags do exist. They're just not as good as other methods of coffee making, although they are better than instant.Coffee requires hotter water to brew properly in a reasonable amount of time. Water poured into a cup with a bag will quickly cool well below that temperature. Tea brews ... |
Can charge from lightning rods be converted to usable electricity, and if so why don't we do it (that I've heard of)? | The main problem with lightning is that it happens so quickly. A bolt of lightning can strike and transfer all of its energy in mere fractions of a second and then it's over. We currently don't have any technology that can effectively capture that kind of power in that short amount of time. Each bolt carries with it en... |
Why is it illegal to feed or provide necessities to the homeless in certain areas/states/cities? | It's not like it's against the law to give your leftovers to a beggar when you leave a restaurant. What's illegal is setting up a large-scale food distribution scheme and going around feeding dozens/hundreds of people **without getting food service permits**. Once you start feeding large numbers of people, you're expec... |
Why do people learn differently, i.e, by hearing, by visual, and by touching? | They don't. It's just an old myth. > There have been systematic studies of the effectiveness of learning styles that have consistently found either no evidence or very weak evidence to support the hypothesis that matching or “meshing” material in the appropriate format to an individual’s learning style is selectively m... |
When you get tan/sunburnt, why do you mainly peel on your shoulders and rarely your legs? | Because your shoulders are more aimed towards the sun than your legs, which are kind of at an angle, and soak up a greater proportion of UV rays. If you laid on your back all day facing the sun, your legs and chest would then burn a lot more than your shoulders would. Imagine pointing a torch straight down at the groun... |
Christmas. How did it originate and how did it come to be what it is today? | Many cultures have 'winter solstice' festivals in and around the 25th of December. This was because days were short and dark, as little as 5 hours between sun rise and sun set in some northern Scandinavian capitals So the cheer themselves up around the time of the shortest say they would get together, have a party, exc... |
Why does my car have a spare tire, but not a spare battery? | Your spare battery would go dead as well. You can't have a spare car battery sitting in a car for years without it dying while a spare tire will last a long time without compromise |
;Why is it so easy to doze off during the day after(or at) work or class,but downright impossible at night? | Probably because you have the variation your PER1 gene expression that makes you a night owl rather than early bird / day lark. In prehistoric times, you would have been the one of the people watching over the village at night, keeping your family safe from predators. Unfortunately modern society was set up by a bunch ... |
Reddit, where do streams and torrents come from? | Streams come from a respective central source like youtube or the website involved in the streaming, IE there is a central source hosting the material Torrents are a different story. Torrents are decentralized controlled by the peers who are sharing them. Websites like the pirate bay are middle men who give you access ... |
How does it work when someone wins a new home from a television show? | They will probably end up having to sell the home. Since they didn't pay for the home, and instead received it as a gift, the home is considered income. If the home is worth 250k dollars, then they owe taxes on all of that which is about 57k dollars for a married couple, before deductions and other income is taken into... |
Why aren't half dollar and dollar coins in greater circulation in the US, and why don't we have larger coin denominations in general (i.e. a $2 coin)? | No one I know likes to carry around coins, especially 20 dollars worth of larger dollar-sized coins. Bills are lighter and take up less space.The $1 coins were going into circulation for awhile there, but a) people would keep/collect them and b) businesses wouldn't have an efficient system in place for counting/categor... |
Why do prisms split apart the different colors of light, but lenses don't? | Lenses do too. The phenomenon is called chromatic aberration. Good lenses, like camera lenses, have corrective doublet elements glued to them to compensate for the effect. If you have high index eyeglasses, you can see the effect by looking at a thick black line on white paper. It will be blue on one side and red on th... |
Why Should I Inhale and Exhale at Certain Points While Doing Abdominal Exercises? | Some ab exercises tend to force are in or out of your lungs, so it is important to find the right point in the exercise to breath, so your diaphragm and your other muscles aren't fighting each other. Also, breathing at the same point in the exercise make it easier to maintain proper form this is true for all exercise, ... |
Why is charging foreign customers up to twice as much for a product, like apple an wacom do, legal and not discrimination? | In the case of market segmentation, which is what you are actually asking about, a company has chosen to charge more to foreign markets. They likely did this based on projected or actual import and shipping costs, local laws, taxes, tariffs, currency values, or simply that they felt like it. It is not "discrimination" ... |
How does my car radio can display the song that it's currently being broadcasting. | It uses the [Radio Data System ]. Basically the data is intermixed with the other data on the signal, but the radio knows how to read it and display it to you. |
Why would a drug dealer mix a powerful opioid and deadly drug (fentanyl) with heroin, rather than a weaker substance, knowing that it could negatively impact future business? | Because it's extremely addictive and powerful so will give the impression that their product is much better value. If you find a heroin dealer selling the same amount at about the same price, and it seems much stronger, of course that's what people will keep going back to. As if heroin wasn't already strong and addicti... |
Why does the word 'unisex' mean both sexes? | From what I read from Oxford, it's not "uni" meaning "one," it's uni as short for universal . |
Why didn't our taste buds evolve to make healthy foods taste good? | fatty foods are high in calories. you need ALOT of calories to survive. you need relatively few vitamins to survive.Keep in mind that agriculture and all of recorded history are a drop in the bucket compared to the age of our species. We've only been farming about 12 thousand years, but have anatomically modern humans ... |
Why is the shower curtain rod in hotels bowed out? | Because shower curtains tend to get pulled inward when you're taking a shower thanks to the hot air inside the shower rising and creating a zone of reduced pressure. To keep the curtain from getting annoyingly close, the rod is bowed outward.To give you a little more room without having to buy a bigger shower. You can ... |
Why does citrus taste so bad after brushing my teeth? | You tongue can detect different tastes. It detects salty, sweet, sour, bitter and umami. When you brush your teeth, the toothpaste becomes foamy. The foam is made by a chemical called sodium lauryl sulphate . SLS makes lots of foam and bubbles that make your teeth feel clean. SLS makes your sweet taste buds stop workin... |
why is a guitar never in tune? | Different strings sound different even if they're perfectly in tune, which may be contributing to the "out of tune-ness." The timbre doesn't match between strings even if the pitch is the exact same. Other complications can arise when you're fretting, because even if the strings are set to the correct tuning when open,... |
With a nuke, how is it possible that so much energy can come out of something that small? | Nuclear weapons mostly work on the principle of fission. A heavy element is forced to lose some of it's subatomic particles and become different types of atoms. Atoms are made up of three types of subatomic particles, protons , neutrons and electrons . These three types of atoms are held together by one of the four Fun... |
Why does a beer explode when I slam a glass bottle on top of another bottle? | Well, all the air inside forms bubbles, which move to the edge of the bottle then float upwards. When you hit the bottle with a another, it vibrates the glass, and the pressure pushes all the bubbles towards the middle. Because so many are pushed together they are forced both up and down, but obviously there's glass at... |
How come dogs shiver even though when you cuddle with them, they're super warm? | My parents' poodle has had the shakes before -- the vet said it was because he was really anxious and stressed out. This happened while my parents were on vacation and I was dog-sitting. My friend had a dog - I think a terrier - and when he got older, he started to shake/tremble whenever he was sitting . The vet told t... |
Why don't we have cones at high concentrations throughout our whole retina, not just the fovea? | Because evolution isn't out to make a perfect biological machine. Only make a biological machine that works for the pressures put against it right now. It it figuratively the kid who doesn't want to be in school doing just barely enough work to get that D and pass the class. |
Why doesn't the FBI (or any criminal investigative service) immediately shut down any illegal streaming service (or pirating) upon finding it? | Most of the time these sites originate outside of the US, therefore outside their jurisdictional areaServers can be hosted all over the world. And the FBI only has jurisdiction in the United States. Sometimes they keep it up to try to find members of the website, gathering evidence that way. |
Why do zits seemingly only appear on your face or upper torso? | Acne more often affects skin with a greater number of oil glands ; these areas include the face, the upper part of the chest, and the back. You have much more sebaceous glands on your face than on the rest of your body. Hope that helps! |
Why do things physically hurt more when we are cold? | Your body is filed with thermoreceptors to detect the temperature. You have 2 main thermoreceptors for cold: regular cold thermoreceptors and extreme cold thermoreceptors. The second one, extreme cold, sends pain signals to your brain. So when it's cold and something hurts you, your brain is getting 2 different pain si... |
How does this phone holder for your car not break your phone? | There are two electronics components that are sensitive to magnets: cathode ray tube screens and hard drives. Your phone does not have either of those- it has an LED or LCD screen instead of a CRT and uses flash memory instead of a hard drive. With credit cards, the magnetic strip will get messed up with a strong magne... |
Why is it racist to make decisions based on race when it can be a good predictor of outcome/behavior? | I knew some white people who had foster kids and their son got taken away for child molestation. So maybe you shouldn't go with the white babysitter guy. |
What's the deal with "laces in"? | It's from the movie 'Ace Ventura: Pet Detective' where a shamed former kicker who missed a game-winning field goal placed the blame on the star-QB/kick-holder because he didn't rotate the ball to be 'laces out' . The idea is that kicking the laced area may affect the trajectory/path/rotation/distance of a kick because ... |
Why does our atmosphere appear blue from earth in sunlight, but when earth is viewed from space also in sunlight, it's clear/invisible? | The sky appears blue from inside our atmosphere because the light refracts . The blue part of the light bounces around more, so that's what we see.From the outside however, we're seeing the light that is reflected, not refracted. It is a subtle difference, but basically it doesn't bounce around and therefore we see cle... |
What is integral spin/half-integral spin and what's the difference | Integer, not integral. You've probably heard of angular momentum; it's the rotational version of the momentum you encounter I'm everyday life. In classical physics, this is based on the fact that different parts of an object are moving in different ways. Imagine a carousel. At any time, two points on opposite sides are... |
Why do women moan/scream during sex? | It’s a release. A letting go. Just like crying or laughing or any other release of an emotion. It’s possible but not usual to silently laugh or cry, just like it’s possible but not usual to be silent during orgasm. |
Why didn't the U.S. include the release of prisoners in the new nuclear deal with Iran | Because that would have given leverage to Iran. By taking more prisoners and negotiating for their release too, they could have tried to extract more favorable terms in other parts of the agreement. By not including prisoner release as part of the negotiations, the U.S. removed that potential negotiating card for them ... |
Why does cold water feel way more FREEZING than it actually is when I'm chewing minty gum? | The receptors that sense cold are partially activated by chemicals in the mint, and respond as though they're feeling a chill when you hit them with something cold as well - they get a double whammy and it feels absolutely freezing. |
The downsides of working out while drunk | - If we count the "hold-my-beer idiot risks" as bad decisions leading to injury, being drunk also affects your muscle coordination which may result in injuring yourself even when you're doing your normal exercise routine. - Alcohol is a diuretic which means it makes you pee out more water and electrolytes, causing dehy... |
Who do most of our "traditional" Christmas songs, images and TV/movies come from the 1940s to the 1960s? | Here's my opinion on this, I have no expertise in it though. By the way, this idea is directly plagiarized from [xkcd]. [Baby Boomers] grew up with those things and there are currently a lot of Baby Boomers. Also , if you look at the current age and buying power of Baby Boomer's, they are really the perfect target demo... |
How does Humble Bundle make money when they have discounts that cost them hundreds of dollars each sale, and only make a percentage of the discounted sale? | It helps a lot that they aren't selling a physical product. Really cuts down on the cost per unit. No materials, no production cost. Just licensing and server costs . So to say that it's 'costing hundreds' isn't accurate, they're almost certainly not dropping the price below cost, even though to us consumers, it seems ... |
Why do the hurricanes "curve" when they get close to Florida instead of just continuing straight? | Air currents 'push' the hurricane one way or another, in my comment below you will see a pretty interesting site. |
The origin & evolution of Black, Asian & European "races" | That is a loaded question with a multitude of heavy answers, but I will just give you a small brief to tide you over. The common consensuses in the study of human origins is that the modern human came from Africa. The reason for the varied skin tones, bone structure, and genetic dispositions is due to adapting to new e... |
"66% of black people are on welfare and are the majority of the welfare receivers" | I don't know where the quote is from. Its source may provide some insights on whether you should trust whoever said it. According to the link you provided, assuming it's accurate, nearly 40% of welfare recipients are black. This is less than half, so it does not match up with the quote's assertion that they are the maj... |
How do cancerous cells affect and make the surrounding cells cancerous as well? | A cancerous cell can produce exosomes, little packages of cancer proteins, DNA and RNA, these exosomes float around the body through lymph and blood vessels and they are be accidentally swallowed by healthy cells elsewhere in the body. And these cancerous proteins/functional RNA can possibly shut down the tumour inhibi... |
How do medications know to target specific parts of the body? | It doesn't know at all. Medicines are designed to bind to specific cells. They are distributed throughout the body in the bloodstream but only affect the areas they are designed to. |
why do camera lenses need so many elements? Why can't they just bend the light with one piece of glass? | All the lenses allow it to be adjusted to zoom in and out, as well as focus at a specific distance |
Why doesn't the U.S. get rid of the penny? | People are very reluctant to accept and generally dislike changeI think the real question here is- why is the nickel so much larger than a dime when the nickel is only worth half as much?', "Several reasons: * Historical inertia. The penny has literally existed since the founding of the America and before. The Lincoln ... |
What causes a drop of water on a phone screen to magnify the text underneath? | Light is refracted when it travels from one medium to another. The light from the screen is refracted by the water droplet and therefore appears bigger to your eyes. More information on how light acts here: _URL_0_ |
If sand is eroded rock, why does melting rock give you lava, but melting sand give you glass. | Geologist here! Let me see if I can help: Rock is made of of many different minerals like quartz, calcium carbonate, mica, biotite, feldspar, and many many others. Glass and sand are both composed of the same mineral - quartz , though commercial glass has additives to color it or help make it stronger. Volcanic lava ca... |
Why galaxies are such perfect spirals, and brighter in the middle? | To expand on what /u/xitssammi wrote: "Perfect" isn't the right word to use. Sure, some galaxies look like spirals , but they are *far* from perfect. The maths is *somewhat* analogous to a traffic-jam, in a weird way. An individual car can move from the \'beginning\', to the \'end\', and eventually \'out\' of the traff... |
How do companies like Turbo Tax and H & R Block that do tax returns for you make it's profit since people only use their services once a year? | Actually a lot of people file their taxes 4 times a year. Anyone working a 1099 job and any business that surpasses a certain minimum revenue level |
Fisher v. University of Texas | Hate to be a bitch, but /r/explainlikeimfive/comments/1gz0cd/eli5_the_scotus_ruling_in_fisher_v_university_of/ Is that the one? I can ELI5 following a link if you want :) but it would just be "click that link and eat your dinner!!!" |
what's the difference between ram air parachutes and the round ones? | You can maneuver a ram air parachute. Ram airs are for stunts and for people who want control after the chute opens. You can traverse a lot of lateral distance if you want. Basically "fly" the chute. Experienced jumpers could jump at high altitude from far away and land on a pinpiont that is miles away from the point o... |
Why are international students a financial benefit to the school they're going to? | For local students, a large part is paid for by the government, which generally comes with a large number of strings attached. The government will generally offer money, loans, land, tax breaks etc but in exchange might limit the fees charged, or require universities to accept certain students etc. This means that some... |
Why can't LA desalinize ocean water to curb the effects of drought? | Energy consumption. It takes a massive amount of energy for desalination. It's getting cheaper all the time, and we're getting better at it and producing more energy, but it's still usually more expensive than alternatives. It's also cheaper to conserve than desalinate. And the state can make money through fines! [More... |
Why do ballpoint pens become unusable even though their see-through cartridges are shown with full ink? | If the ink can't flow, it doesn't matter how much there is. Ball point pens can become damaged, or clogged with crap far before they run out of ink. |
Why is it that alcohol does not have to have the ingredients or nutritional facts printed on the bottle? | It all depends on whether something is regulated by the Food and Drug Administration or the Alcohol and Tobacco Tax and Trade Bureau Only FDA-controlled items are required to have nutrition labels. For TTB beverages, it's voluntary. There have been efforts to standardize this, but nothing's ever come of it. The histori... |
Is it possible to "crush" water? What would happen? | If you increase pressure on water, you will eventually get ice. There are 15 known types of ice, depending on the pressure and temperatureA kilogram of fresh water, at the surface of the Earth, fills a volume of one liter. At four kilometers deep in the ocean, where the pressure is hundreds of times more, a kilogram of... |
Why do mammals like humans and dogs tilt their heads when confused? | They do not do it because they are confused, per se. Tilting their head gives them a different angle on the sound and helps them figure out more accurately where the sound is coming from, or to understand more accurately what the sound actually is. It's just a way for them to get additional information about the sound.... |
What makes Ouija boards move and why do so many people believe it's spirits when it seems almost impossible that it is? | If people are touching the piece you move around, one of them is doing it. If spirits were communicating with them they wouldn’t need to touch itIn my experiences, one of the people in the group will push the planchette - and it is usually the person who first says "Who's moving it? [Friend], is it you? Stop it, this i... |
If military service in the US could be represented in hourly wages, how much would the different ranks be paid? | There's absolutely no way to calculate this. Everyone in the military works a different amount of hours. Some will put in 24 hours in one day while others maybe do literally nothing and still get paid for it. Some start at 4 in the morning. Some start at 4 in the afternoon. Going on deployment means working 24 hrs a da... |
Why can't deep web/dark web websites be closed? | They are operated by individuals hosting servers in various countries. And first, you need to find the server/website then find the person hosting/paying for it. It will usually be in some remote country with little jurisdiction. Now, they have to produce a court order in that country. TL;DR; It is a huge pain in the b... |
Enamel protection products claim “once enamel is gone, it’s gone forever”. How true is this and if so, how do you explain enamel restoring toothpaste? | My dentist explained to me that teeth will calcify and decalcify over time. A fluoride rinse or toothpaste can aid in this process, but if you have deep cavities and the enamel is beginning to form that sticky *tar* like consistency, that probably isn't going to recalcify sufficiently. In essence they determine that by... |
If I didn't know something was illegal, how could I get in trouble for it? | Not knowing the law is not, in itself, a defense. This is a pretty important legal principle, important enough to [have its own Latin phrase]. I'm not quite sure what you're asking, since there's no particular reason you *wouldn't* get in trouble for it. |
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