query
stringlengths 8
249
| answer
stringlengths 45
7.8k
|
|---|---|
Why can't we just rinse out our glasses instead of scrubbing with soap?
|
When you're washing glasses, you're trying to get rid of more than just old liquids. There could be bacteria or other invisible substances stuck to the glass, for example.Soap is a "surfactant". One end of the soap molecule likes water and the other side hates it. It makes the water want to have more surface area . Grease/oil doesn't mix very well with water and so it floats to the surface if you leave it. When you add soap, the side that hates water will be more attracted to the oil than the water. The soap molecule acts as a kind of connector between the water and oil. That way, when you rinse the soapy water from the glass, all the oil gets washed away with it. Without soap, the water won't connect very well with the oil and so slides over it. This applies to loads of stuff not just oil. Only antibacterial soap actually kills bacteria. Tl;dr: Soap just makes it easier to clean the glass, does very little else.
|
What's the difference between SSRIs and SARIs?
|
SSRIs bind to transporters that clear serotonin out of the synaptic cleft. Depending on how selective the specific SSRI in question is, it may or may not have some effect on dopamine and norepinephrine transporters. & nbsp; SARIs have similar action on transporters as SSRIs, with the additional effect of "hitting" serotonin receptors and possibly dopamine receptors, depending on the specific drug. I used the vague term "hitting" because they act as partial agonists , antagonists and inverse agonists . & nbsp; The mechanism for how these binding and activation effects produce the physiological effects is not well understood.
|
Why does orange soda sometimes taste like soap?
|
Not all flavors are discernible by all people. For example there are many folks who cannot taste cilantro the way others do, but it tastes like soap. Now not all orange sodas use the same flavors to flavor their drinks. So, if the flavor used to flavor some orange soda is not detectable by you, you'll taste the underlying flavors in the soda, which are probably not that appealing. Net, net, I suspect that what you're experiencing is brand dependent. Try it and see. BTW, when I say flavor, I really mean scent, as there are only a few actual flavors, detected by the tongue. The rest is scent.
|
Plants Growing Strength Puncturing Buildings
|
Just my theory: Concrete expands when heated, concrete that is expanding is easier to be pushed through by a growing plant. When the concrete finally cracks, it expands upwards, away from the ground. Once the plant has broken through, the roots grow and expand the soil and then the soil also tries to push through the concrete in the plant's favor. The plant sucking in water and nutrients towards that one area further allows it to easily push through the concrete. As for the concrete itself, constant moisture building up around the concrete probably helps break it down easier and once it starts cracking, the plant can tunnel through it with its roots and further break it down. First time posting on here, I hope my explanation is as simple as it should be. :D", 'I’m guessing that the pressure would build up over time and the structure would eventually give in to the plant and then the plant would grow throw.
|
Why do the lead vocalists get most of the spotlight in music videos?
|
They typically assume the role as 'front man.' It isn't always the singer, it's whomever you will remember the easiest. The singers voice is usually the most identifiable part of music, so they usually get the spotlight. Aesthetics play into this heavily too, put the prettiest face out there and people will be more likely to check your stuff out.
|
Why are manual transmissions still so prevalent in cars in Europe?
|
I think the main reason it that **we're just used to it**, and it's a vicious circle. If you want to get a driver's licence, you need to choose whether you learn it for a manual or an automatic car. The latter option doesn't allow you to drive a manual one, so everyone picks the former one and learns to drive a manual car. Then when it's time to buy a car you can choose between a manual and an automatic one, the latter is typically a bit more expensive and since you've already learned to drive a manual one you might as well buy that one. Another possibility is that you **feel/are more in control** of the car with a manual transmission, and we don't really want to lose that feeling.
|
After being breached, how do Corporations/governments determine exactly what data was compromised and what wasn't?
|
They can retrospectively study the event logs for activity - altering logs across a broad spectrum of devices to mask a specific activity would probably be harder than stealing all the black ops projects the US is doing. So hackers usually don't bother with this part, they just want the treasure. Plus the more things you touch, the bigger trail you leave. So companies say, "Oh well look here there was traffic that went from here to here across a tunnel we didn't setup and to an IP that's in China, what data did our servers serve to that IP? Oh this and that and these files - that's how.Let's say you have an employees named Bob Smith. Bob works from 9-5 Monday through Friday. After you've been breached, you're looking through the access logs and you notice that Bob has been logging into his computer at midnight every night for the past week. You look into your badge reader and find that he has not been in the building at that time and he has not been connecting to the VPN either. Chances are you've got a cracker at this point. You check what he's been looking at and you've got a pretty good idea of what got stolen. The process is largely computer aided these days but you still have to sort through what your programs spit out to weed out false positives and make sure it makes sense.
|
How woman's periods sync if they spend enough time together.
|
They don't really "sync up" as in their bodies are somehow talking to each other. A woman's cycle isn't exactly a month long, so it's going to have some variance about when in the month in shows up. If two women have cycles that are close, but not the same in timing, and are trending towards moving towards each other, after a few cycles, they'll pretty much match, and it will appear as if they 've "synced". This is given more cognitive weight because it's something outside of the norm. A couple months later, they'll "de-sync", but it won't likely be noticed as it's just business as usual.We thought this for a while, but more and more we're starting to think that [women's cycles don't synch like we thought]. It was an appealing theory since it may have been evidence of the existence of Pheromones which, to this day, we still don't know a whole lot about.
|
How do temporary usage rights work products? (e.g. Sonic the Hedgehog in Wreck-it-Ralph)
|
I'm not sure what you're asking here, can you clarify? If you're asking how they can get rights to use characters that belong to other companies, the answer is that they simply ask. A contract is signed, money changes hands, or doesn't, and the movie gets made. Often part of the deal with characters like that is that the owning company gets some kind of veto power over the way their character is used. That way you don't end up with Sonic doing drugs or something else that would harm his image, although it can get silly with them insisting on specific details like how the character walks or smiles, or ties his shoes, etc. But, it all comes down to asking and then writing up a mutually agreeable contract. Both sides are getting something out of the deal, whether it's a licensing fee, or exposure for their character, or just generally feeling good about helping a project they respect.Adding to the other answers: Look at "Who framed Roger Rabbit". It contains characters from Disney and Warner Bros. . The contract for Mickey Mouse and Bugs Bunny for example states they have to have the same amount of screen time. And to make this easily happen, they always appear together and at the same time. Also Donald and Duffy Duck had to be portrayed as equals and not one being "better" as the other. And so on. It is all legalese and copyright contract work.
|
Why can Bicyclists ride on the road well under the speed limit but walking on the road is illegal when sidewalks are present?
|
The posted speed limit is a maximum, not a minimum. There sometimes is a minimum, for example freeways usually have a minimum of 45 mph, and bicycles aren't allowed there. They ride on the road because bicycles are vehicles.Lobbying by auto manufacturers at the birth of the automobile made it illegal to walk on the street. Before then you could walk on the street. If bicycles were forced/ allowed to ride on the sidewalks they could hit pedestrians or they would greatly have their speed reduced by pedestrian foot trafficAnother factor is that bicycles pre-dated cars. Roads were, in actual fact, the result of lobbying by the bicycle industry and enthusiasts. Cars came later.
|
Why do babies fall asleep faster if rocked to sleep?
|
It's a natural response that reminds them of being in the womb. Same goes for swaddling. Babies like to be warm and held tight.
|
Why does my voice sound better after drinking black coffee?
|
Warms up the old sound box and throat ya little five year old!! Goo goo gaga', "Generally the warmth lets the voice box expand and become more versatile. For years people thought that caffeine was dehydrating but more recent reports say it's a very nominal effect. Sugar, on the other hand, can really dehydrate and stiffen up your voicebox. If anything, warm tea is probably the best thing to drink before a performance.
|
Why do white shirts become transparent when water gets on it?
|
The opaqueness of white shirts is due to the thin material having a few millimeters of space from the skin and light diffusing in that short distance. When a white shirt is wet it sticks to the skin. Since there is no space to diffuse, you see the skin.
|
Whys there always a line for women's restroom?
|
fewer spots since they dont have urinals and stalls take more space. and they take longer to go, with the pant dropping, retucking shirts, wiping, ect.
|
How Does a Camera/Phone make a Panorama image?
|
The camera takes multiple individual still pictures. The phone analyses these pictures looking for simple things, like the edges of items in the picture, that it can use to tell how much the camera has moved. It also takes measurements from the compass and accelerometer to tell how the camera has been moved. In then *morphs* the images so they match up, and blurs the edges between them to produce one continuous imageThrough a process called [image stitching] in which the computer analyzes several images that were taken together, and glues them together along lines and seams that make sense. Part of the reason your cell phone requires you to follow the line and pan slowly is because it makes the image stitching easier/possible.
|
Why is there no motion blur on satellite images?
|
There is plenty of blur and it is a major concern and has two main components; there is a lack of focus mainly due to the optics but may also include the jitter of the platform and then there is smear due sensor motion and target motion.
|
Why has "squirting" had a rise in porn in the last few years, surely girls could always do it, what suddenly made it popular?
|
I think, and this is of course only what ***I*** think, is that a large part of the phonographic industry is based on the reaffirmation of gender roles in regards to sexuality. There is a fairly common notion that stereotypically-speaking, women are supposed to be sexually desirable and men are supposed to be sexual stallions. The imagery of a man sexually stimulating a woman to the point that she orgasms so hard as to "Squirt" everywhere is very appealing, both to most peoples preconditioned ideas of sexuality, as well as to the graphic imagery of pornography. TL;DR: Its kinda what people expect to see, and its pretty hardcore. A dude screwing the hell out of a pretty lady so hard it might as well be an workout routine. How original.When a guy cums, there is a physical reaction that can be seen and noticed with little ambiguity. A guy can't really pretend to cum, because there is semen that needs to come out. When a girl squirts, it has that same physical reaction that can be empirically viewed. It isn't based off of how tightly she holds on or flexes or other reactions she can manipulate in order to fake an orgasm. I know without a doubt, that I got her off.Basically, its a huge billboard stating she came and you did a good job, pat yourself on the back.
|
Why is primer needed for a paint job? Why not just use paint?
|
1.Better paint adhesion2. Protects the painted material 3. Prolongs life of paint4. Hides imperfections or former paint color that can bleed through It is a pain in the butt step but if you have ever tried to turn an olive green room to canary yellow you will get it. Also if there are any oily/greasy spots primer can help absorb it so it doesn't affect the final paint color. I am not a pro but I have painted exterior and interior walls for the last 20yrs. Primer is important especially exterior. It's worth the effort.
|
If it takes 8-12 hours to digest food, how do some foods make my stomach upset almost instantly?
|
Because you're not digesting it. Your stomach has sent the "Purge" message to your brain. Your brain then sends the message to your digestive tract to open all gates and let the express train through. It will also flush a bunch of fluid into the system to help is pass more quickly.You might have to clarify. Sometimes it's purging of food because your body thinks it has eaten something harmful. Other times it's simply your first meal of the day, so your GI wakes up and peristalsis happens and you just poop. If you're clamping your cheeks shut, running down the hallway, and you've become a lava factory, it was the purge message. If you get an urge to go, but everything is fairly solid, it was just peristalsis.Normal process: into your stomach, where acids break it down, then a slow trip through your intestines where the nutrients are absorbed. What's left is urine and poo, which leaves the normal way. Bad food process: it's in your stomach. Brain goes "holy shit, this is no bueno. Get this out as fast as we can!" The food no longer takes a low route through your intestines -- everything is rushed through to get out your poop chute as soon as it can.Your stomach has decided it isn't willing to digest this particular piece of food. That instead of digesting it, it needs to get rid of it and as soon as possible, because digesting it will likely cause a myriad of other problems.
|
Why do we laugh? Specifically why do we have a physical reaction, such as chest heaving, when we laugh rather than just "feeling" happy?
|
Most humor is the juxtaposition between what we _expect_ to happen and what actually happens. Take the joke: > Three men walk into a bar; none of them ducked The humor there is that you expect it to be a drinking establishment, not a physical barrier Now, the idea is that this humor reaction evolved in us to quickly relax ourselves in tense situations. If you are out hunting and you hear a noise in the bush, you need to go into fight/flight mode right away so that you can defend yourself from predators. If you see that the noise was just a tiny rabid, the humor of the situation allows you to go back from "alert" to "calm" very quickly. Laughter is the signaling method to others in the group that the tense situation is actually just a "rabbit" - it lets everyone around you know that it is safe to go off high alert.
|
When Waking up from a vivid dream, why does it seem to disappear from memory a few minutes after waking up.
|
Dreams don't typically form long-term memories like real experiences can. They are in your short term memory, and unless you make an effort to remember them, you'll forget them very quickly. Some people keep a dream journal near their bed and get in the practice of writing down their dreams as soon as they awake.
|
Does the butterfly has memories of being a caterpillar?
|
Yes, some memories can be retained. Caterpillars trained to avoid certain odors retained the aversion to those odors when they metamorphosed into butterflies.
|
How do content-creators make money from streaming services such as Netflix or Apple music
|
Your 15 dollars a month > netflix/apple/spotify etc takes a share > rest goes to the content creator.Yes you can make a notable profit from these services as many people were illegally downloading their content on a large scale before these services popped up . Since most people dont want to go through the effort of downloading large files from potentially ''dangerous'' websites, or breaking the law, they just subscribe to an On demand service because its easy and relatively cheap
|
How do gigantic heavy ships not sink in the ocean? What exactly keeps them afloat?
|
I did an interesting experiment for a science class one day. Take a pan of water, fill it up to the very brim. Put a larger pan under it. Now, put an object into the top pan which will float. Some water will fall over the edges of the pan into the container below. You should find that the amount of water running over the edges weighs the same as the object you floated in the pan. Bonus: If you put in an object which sinks , you will find it weighs *more* than the water which it displacedBuoyancy physics law, pretty much as long as the weight of water displaced is greater than what is displacing it, the thing will float. As boats are pretty hollow, there mass is fairly low compared to over all size. If it was just a solid lump of metal it would sink because metal is denser. But the added air that boats have helps it.
|
What is Grooveshark and why is it being sued?
|
It's similar to pandora, though I don't know what kind of arrangements they have in terms of paying licensing fees. They allow for a more specific selection of music, and allow you to create playlists as if their entire library was your own. Think of it as a cloud-based napster. They have a desktop app as well as a web app, so they're really accessible. They're being sued probably for not paying enough/any/the right kinds of licensing fees to the music industry to have the right to distribute content in the way they do.
|
Why do the subway stations in New York City look much more bare or run-down compared to those in systems of similar age, like London's?
|
The London Underground services ~1.2 billion passengers per year. The New York City Subway services more - 1.65 billion in 2012, and that number's been shooting up steadily over the past 5 or 6 years. The New York City subway services 8.2 million people in a relatively small area, with around 450 different stations. The London Underground services the same number of people over a much wider area , with about 260 stations. There are a grant total of 250 miles of track in the London Underground. There are over three times that amount of track in NYC. There are 11 different lines in the London Underground. There are 22 different subway lines in New York, and that doesn't include the Staten Island Railroad, the LIRR, or Metro North - all of which are managed by the same organization. The London Underground runs roughly 20 hours per day, less on weekends, and shuts down entirely on holidays. Barring *huge* problems with the weather or serious accidents, the NYC subway system runs 24 hours a day, 7 days a week, 365 days a year . Meanwhile, the mean profits between the two systems are relatively comparable - so the MTA has a lot more to do with its income than TFL does. Just a few points of comparison.
|
Why can't we dispose of solid waste by tectonic subduction zones.
|
The United States MARPOL act would prevent this. Subduction zones are also constantly moving, meaning trash would spew out and damage the Eco system surrounding it. This might all ready be happening. I saw a redditor say something about the gulf of Mexico being filled with trash which is sad.It's difficult to get the waste totally subducted. If you just drop stuff to the seafloor, it's going to sit there while the containers holding it rust away, causing it to leak out everywhere. To actually subduct it, you need some container that will last a long time, and you'd probably have to bury it in the seafloor a ways so you could be sure it actually gets subducted, instead of scraped along the top of the subducting plate.
|
Why does the door close so loud when I have a window open?
|
When you close the door, a bunch of air is displaced, and it has to go somewhere. If you don't have a window open, the only place the air can go is to rush out the door gap as you're closing it. This is difficult to do, and so the air forms a higher pressure "cushion" which prevents the door from closing as hard. In effect, you are using the door to compress the air in the room. When a window is open, the displaced air can rush right out the window, meaning it does not prevent the door from swinging, meaning the door slams a lot harder.
|
How does low sodium salt work?
|
Some of the salt is replaced with potassium chloride which has a similar taste and the benefit of potassium which can be difficult to get in your diet. There might be other substitutions that I'm not aware of."Salts" are really just a broad term for any ionic compound. Sodium chloride is more accurately termed "table salt." In any case, low-sodium salt is usually just a different salt, typically potassium chloride or potassium lactate. They taste about the same, but have no sodiumThere are lots of different salts. For example, KCl is also a salt and it has no sodium. Low-sodium salts are usually a mixture of sodium chloride and potassium chloride.
|
Why do some pharmaceuticals cause anorexia/eating disorders/body dysmorphia in those who have never struggled with these issues?
|
Many drugs, especially ones taken for attention problems, cause people to lose their appetite. Many children, especially ones that struggled with self confidence issues due to their weight prior to starting medication, get pulled in by the positive response or attention from sudden weight loss. Although the eating disorder may not have been there prior to starting the medication, the medication sets the wheels in motion. Edit: I said children because young children are more prone to peer pressure and bullying due to weight, but it can have the same effect on all ages.
|
the difference between an LLC and S Corporation.
|
The short short answer is that an S Corp is more complex and has stricter rules on how it's governed, but gives tax benefits.S-Corp: Ownership divided into shares of stock. Shares of stock have voting rights. Has a board of directors, a President and usually required to have a Treasurer. Liability for the actions of the S-Corp can "pierce the corporate veil" and impact the shareholders, especially shareholders with substantial ownership percentages, and **especially** shareholders who own or control 50% or more of the stock. Profits of the S-Corp are distributed to each shareholder pro rata for tax purposes. There are some limits on what kinds of entities can own S-Corp shares and what kinds of equities S-Corps can own. LLC: Ownership is divided into Membership Interests, which act like stock but are not stock. Control of the operations of the LLC can be divided between two groups - Managers and Members. Liability for the operations of the LLC is limited to the Managers except in certain circumstances. Sometimes Managers are not Members. Profits are distributed to the Membership Interests pro rata. Ownership restrictions for LLCs are different in some cases than for S-Corps. The whole point: An S-Corp is generally treated just like a C-Corp except that its profits are taxed pro rata as income by its owners. An LLC allows ownership to firewall their liability for the actions of the entity. The Managers typically are held responsible for everything the LLC does. The Members can wash their hands of the Managers, claiming ignorance for their activities. That's the "Limited Liability" part of the LLC. This is actually a throwback to how the whole idea of corporations arose in the first place. The intent of corporations was to create this separation between ownership and management for liability. But over time the law has steadily eroded the separation and now it is reasonably easy to break the corporation's separation and attack the majority shareholders directly with litigation. The LLC is an attempt to restore this firewall.
|
Why does fear seem much more intense during sleep paralysis than typical nightmares?
|
Another reason is that you continue breathing as if you're asleep . This causes a perceived lack of oxygen and is one reason for that "suffocating" or "weight on the chest" feeling as well as the terror.
|
Soap kills 99.9% of germs, why doesn't it work when ingested to kill the germs inside you?
|
Soap doesn't kill germs at all. Soap is what's called a *surfactant,* which is a chemical that makes it easier for things to dissolve in water. When you wash your hands with soap, it's actually the action of rubbing your hands together and running water over them that removes stuff, including bacteria and viruses. *Disinfectants* kill germs. We can broadly divide them into two categories: Ones that would make you sick if you consumed them, and ones that wouldn't. We use disinfectants that *don't* make you sick all over the place, particularly in drinking water. *Antibiotics,* on the other hand, are chemicals which are specifically used to kill harmful microorganisms in your body. What's the difference between an antibiotic and a disinfectant? An antibiotic can be absorbed by the body and transported into your *lymphatic system.* Your lymphatic system is that part of your body that's responsible for moving infection-fighting agents to areas of infection. In order for an antibiotic to reach the infection that's making you sick, it has to "hitch a ride" on your lymphatic system to get there. Antibiotics are chemicals that can do that, while disinfectants aren't.First, soap doesn't kill germs, it just helps wash them away. Secondly, digestive enzymes, stomach acid and other stuff just ruins the ability of soap to be soapy. Third, why would you want to eat soap?
|
Why do some EU countries still have their own currency instead of adopting the Euro?
|
1) They are not a part of the EU. 2) They do not want to give up control of their currency and be at the mercy of other countries. One of the primary ways that a government deals with economic hardships is by shrinking or growing its money supply. They do this by destroying bills and printing new ones as needed. Any country that is on the Euro loses this power. They are only allowed to print as much or destroy as much currency as they are instructed to do so by the EU board governing the Euro. That is part of what has caused so much problems for Greece and Spain, and they in turn have been like mill stones around the necks of the other Euro countries dragging down the value of the currency with their failing economies.
|
Does a stronger sound wave eliminate weaker sound waves?
|
It can't really eliminate sound, but it can drown it. Our hearing has a very high dynamic range, meaning that there is a huge difference between quiet and loud sounds. The speaker in this case could easily have 1000 times as much sound pressure , and your ears would adjust to that. The voice would suddenly appear extremely quiet in comparison.Ok let's get down to the definition of a sound wave. A sound wave is a mechanical wave that propagates through a fluid . That means sound needs matter to propagate. Next we need to look at what the wave looks like.There are two types of wave, longitudinal and transversal. Sound waves are longitudinal waves. It's a little bit hard to explain what is the definition but let's just say that transversal waves propagates like a spring and longitudinal ones move like a wave at the surface of water. Longitudinal : / Transversal : l l l lllll l l l lllll l l l l When two waves meet each other and they are going opposite directions, two phenomenons can happen. Constructive or destructive interference. It will be really hard to explain without a video showing you what's happening so here you can see what's going on : [here] The black wave is the one resulting of the meeting of the two waves.The green should also be moving but here it is stationary so you can see the two phenomenons So yes, two sound waves can completely negates each other but they can also get twice as high. The higher the spike, the louder the sound. So it's not only about a question of loudness but also of frequency/wavelength . Those phenomenon are true for any wave so it means you can also make light from a laser for exemple "disappear"This is a rough principle of noise canceling headphones. So yes sound waves can be disrupted by other soundwaves.
|
How does muscle relaxers not stop muscles needed to live. IE: your heart
|
Imagine any drug you take is like a key and that key can only fit into certain keyholes on certain doors . There are different types of muscle relaxers that open certain doors and causes a reaction to occur behind that door . This is how the drug works. Now, there are three types of muscles . A muscle relaxer like Zanaflex fits in one type of keyhole on a certain door and behind that door a reaction occurs to only cause the skeletal muscle to relax. In Anesthesia We give a paralytic during surgery that will only fit a certain keyhole on skeletal muscle that the heart and intestines do not have . This is how we paralyze the body and not the heart/intestines.
|
Why do we humans have a 'cooldown' after swallowing?
|
Because you active a lot of muscles in a specific sequence to swallow. Before you can swallow again all these muscles need to be propely relaxed after the previous swallow. This takes some time. In other words: you can't start on your next swallow before the one you're doing is completely done + a tiny time for rest.
|
What is the difference between 'affect' and 'effect'? I am 21, but desperately need it explained to me like I'm 5.
|
Effect: the result of an action. NOUN Affect: to influence something. VERB "How did it affect you?" "What caused that effect?" Effect is a noun, affect is a verb. In even simpler terms, "effect" is an event that happens, and "affect" is an action that one doesThink **A**ffect and **A**te. Effect is a noun while affect is a verb. If you can replace the word you are unsure of using with "[ate]" then you should use "affect"In 99% of cases, remember that "affect" is a verb, "effect" is a noun. For a five year old, that might be the place to stop. But if you're curious, "affect" as a noun means a feeling or emotion, "effect" as a verb is to make something happen Effect is a thing, like a special effect or the Coriolos Effect. Affect is something that happens to you. As in you were affected by hearing some bad news. Effects are the results of affects. The effect of hearing the bad news is being sad. You were affected by the bad news so you became sad.
|
What kind of prison would a transsexual go to?
|
In Texas you are sent to the prison of your birth gender and usually put into a special cell block where you don't have a roommate. I was a guard in the early nineties, and one person came in with male anatomy and breast implants. He identified himself as a woman but still had a penis, so there was no way he was going to a woman's prison. They kept him in the same cell block as the other men who identified themselves as women or just pretended to so as to be safely kept by themselves. fun fact - kool aid powder was the defacto make-up used for those guys.
|
Why does my laptop slow down over the years? what is happening to the processor?
|
It can be a lot of things. Older laptops tend to have a lot of junk data installed, lots of background processes users aren't even aware of. Sometimes small errors have snuck in the operating system. All of this can be solved by formatting it and reinstalling your laptop. Another thing is that programs and websites nowadays demand a lot more from computer hardware than they used to. Browsers themselves have gotten bigger, there are tons of plug-ins, lots of sites have flash files that auto play. Your laptop's hardware might be approaching the point where it cannot keep up with all these new demands. And finally, there is of course the chance that parts of your hardware are actually starting to break down, leading to a loss in function.
|
Why are there first and third world countries, but no second world?
|
There used to be. "Third world" these days is kind of code for "poor," but that wasn't the case. First world was the US, the UK, most of Europe the not-communist countries. Second world was the USSR and their allies, those evil scary commies. Then third world was everyone else who didn't have their act together yet.
|
Why reddit has so many 503 (busy server) errors so often?
|
There are times when we're coming online in droves 6,292 are on now. For me, that says time to go somebody else needs a turn. I'm not sure of peak use times, but it's Saturday morning here we're just getting up and before we go out, gotta check Reddit. Same thing on workdays early check-ins, checking in from my desk, after school, after work. Checking in before bed. This is a heavy traffic time.
|
What's the difference between firearm calibers ?
|
Caliber just refers to how large the diameter of a round is - it doesn't reflect the length/shape/mass of the bullet or how large the casing is. A [.50 BMG] sniper round is incredibly long compared to the much smaller [.40 S & W] handgun round. [Here's an image of them side by side]. Longer bullets have more mass, longer cartridges hold more powder. Going from the reference tables on Wikipedia, you can expect a .50 BMG to hit with about 18,000J of force compared to the 600J of force from your .40 S & W - even if you don't know how much force a Joule is, you can tell that that's a *major* difference.Caliber is size of bullet. Bigger bullets are harder to shoot as fast, since they need more energy. However, they have more momentum going at same speed, so they do more damage. Bigger guns have a bigger oomph so they can shoot bigger bullets, which do bigger damageCaliber is hundredths of an inch and refers to the diameter of the "business" end of the bullet. "50 caliber" means half an inch in diameter around the case . So a .38 cal is also known as a 9mm, a .30 cal is also known as a 7.62mm.
|
Why do the United States have such a big problem with internet providers ?
|
You hit things right on the head in your first paragraph. In many areas there are no options about your provider. This is usually in areas with lower population density where it wouldn't be very profitable for a second company to come in. Satellite internet is always an option but if you want to stream anything or play a multiplayer game you're going to have a bad time.
|
Why does spit/saliva get stickier at times?
|
It is mostly to do with hydration, or in this case dehydration. For example when you exercise, the water loss in your body causes less available water for making spit. Same reason why if you don't hydrate yourself enough during/before sex, your semen is chunky or your vaginal lubrication is less
|
Why do we rub our face when we get tired?
|
Do you mean rubbing your eyes? I haven't heard of people rubbing their faces. However, we rub our eyes when tired because it stimulates the [oculocaridac reflex] which slows your heartbeat. This is relaxing if you feel very tired, and also "prepares you for sleep". Tired eyes also get dry very quickly, rubbing them stimulates the [lacrimal glands] to secrete more lubricants. Lastly, there are tons of nerve endings around and near the eye so rubbing them stimulates your brain, thus keeping you awake. This is why it feels good.
|
Why does water stain silk?
|
Two reasons: * Many dyes that are used on silk are water soluble, which means that the dyes can run if you get water on it.* Silk fibers become more delicate when wet, and, especially if you're rubbing the fabric, can slightly damage the fibers in a way that causes the fabric to look stained.
|
Why does the skin on male genitals darken?
|
You might want to hold off on the explanation. Your nipples and penis get darker when you go through puberty. The sex hormones cause a surge in Melanin I remember a guy was trying to sext me and sent me a picture of his member and instead of oohing over it I asked him "why is part of your penis light skinned and part dark skinned?". Apparently that stumped him too.Melanin and genetics, thats just naturally the way it is. Happens to women too. You should emphasize to your son that people naturally come in different shapes and sizes, and it's all well and good, hardly ever anything that warrants pointing and gawking.
|
What is a coma?
|
Medically, a coma is defined as a state of unarousability and unresponsiveness. The person does not respond to pain and there are no sleep-wake cycles as present in a normal brain. However the neural reflexes are still intact The tail coming off a comet. But if you mean medically, it is a state in which all vital signs of a body are normal, or at least within viable parameters but there is little or no consistent brain function.
|
How do Dyson Air Multiplier fans work?
|
Calling the Dyson Air Multiplier a fan with no blades is perhaps a touch misleading. There are blades in the fan -- you just can't see them. The pedestal hides the blades. A motor rotates nine asymmetrically aligned blades to pull air into the device. According to Dyson, these blades can pull in up to 5.28 gallons of air per second. The air flows through a channel in the pedestal up to the tube, which is hollow. The interior of the tube acts like a ramp. Air flows along the ramp, which curves around and ends in slits in the back of the fan. Then, the air flows along the surface of the inside of the tube and out toward the front of the fan. But how does the fan multiply the amount of air coming into the pedestal of the device? It boils down to physics. While it's true that the atmosphere is gaseous, gases obey the physical laws of fluid dynamics. As air flows through the slits in the tube and out through the front of the fan, air behind the fan is drawn through the tube as well. This is called inducement. The flowing air pushed by the motor induces the air behind the fan to follow. Air surrounding the edges of the fan will also begin to flow in the direction of the breeze. This process is called entrainment. Through inducement and entrainment, Dyson claims the Air Multiplier increases the output of airflow by 15 times the amount it takes in through the pedestal's motor[.]
|
How is the timing of self-dissolving sutures controlled?
|
So when your doctor was considering what kind of sutures to give you she had to keep 3 things in mind: the thickness of the suture, the elasticity required by the suture, and the decomposition rate of the suture. Naturally dissolving sutures will only be dissolved by enzymes in the body because they are made from, "natural materials, such as processed collagen , silk and hair, as well as some synthetic materials that the body can break down." They can change how quickly this process occurs by the material used and how thick the used material is. While I bet you can do somethings to speed up the decomposition process, I don't think you can speed it up or slow it down a significant amount. However this short paragraph is simply conjecture. [Source 1] [Source 2]
|
Is regularly "waking up right before the alarm goes off" done by the body's internal clock? If so, how can it be so accurate?
|
Iirc most alarms make a quiet click before going off. Your brain registers this as part of the actual alarm sounding, waking you up to deal with it. Cellphone alarms don't make this sound which is why you don't get fully awake just before your alarm goes off. Instead your brain tends to pop you out of deep sleep when it thinks the alarm is about to go off and puts your concious into a kind of idle mode, so you don't remember it but you are still capable of making decisions.
|
Why do we have to put air in tires? Why cant we just have completely rubber tires that do not get flat?
|
I'm only 17 and soon hoping to go to university to do Mechanical Engineering, however i'll take a stab at what i guess is along the right lines : My guess is that with air inside the tire, it allows for a greater dispersion of the force from the ground, due to the particles being free to move about. Also, the air pressure inside the tire can greatly change when necessary, without lasting damage on the tire itself. If you were to enact the same force on two tires, one filled with air and the other all rubber, i would assume the air filled tire would be able to withstand higher amounts without deforming, due to this spreading out of the load. Because, as you can imagine, only one point of the tire is in contact and any one time, thus dispersing this force is vital. Furthermore, from a straightforward point of view, filling a tire with air is a lot more cost efficient than having it made entirely of rubber! It also would shed alot of unneccessary weight off the car. Obviously, i may be wrong about all this, im merely a budding engineer who doesn't even drive a car yet. Im sure someone else in this thread can provide a better answer for you.
|
Does eye color affect vision?
|
I have heard that people with blue eyes are more sensitive to sunlight . Someone please tell me if I'm wrong.
|
How are 3D graphics rendered in order to get a cel-shaded or painted effect such as in Breath of the Wild?
|
Cel shading is a very simple effect: you just have to compute lighting as usual and then step it . In practice you want more than one step so you use a look up table, [like one of these]. > how does the developer make sure that the inside/back of the model isn't visible through the front? Rendering translucent objects correctly is a nightmare, for this exact reason . One way to make it work is to render translucent objects into the z-buffer first, then render them on screen normally with translucency enabled. Another technique is to render translucent objects normally but only every odd pixel. This is very cheap and looks very good on high-dpi devices . This isn't used in BotW but Mario [does it for silhouettes].I'm not sure of the full details of the main question so I'll let someone else approach that but I can help with your bonus question. If you imagine a face of any object as having an arrow pointing up at a right angle this is called the normal. [Here is a cube] with face normals shown. There are 3 others not shown pointing in the opposite directions. When a game is rendering a scene it will check the direction of these normals compared to the direction the camera is facing. If the normal is point away along the same path of the camera then they are not drawn in screen and the ones that point towards the camera are drawn. This is known as back-face culling and will be what lets you have a transparent texture on an object without seeing it's back or inside.
|
why my laptop battery will take an hour to reach 90% but then take another hour to cap to 100%
|
ELI5 Option . Imagine a battery is like a cup, and your charging source is a fat pitcher of water. When you first start pouring the water, the cup is empty so you dump it all in there because well, it's nearly empty and easy to control. As you get near the top though the amount of water could easily cause you to spill. That's bad, so instead towards the end you start to pour it slowly to get it topped off just right. It takes longer but it's safer. In other words, overcharging a battery is bad. It can wear out the cell or cause failure. Your charger or battery usually contains circuits that senses near when this is going to happen. So the charge mode switches from a 'dump' charge to a 'trickle' charge. Then once it gets near full it bumps off/on letting the charge sort of hover. So your batteries never 'really' get full, but it's for your own good. That's what happens to the best of my knowledge.
|
Why does it seem to take humans many more "tries" to get pregnant, while many wild animals seem to mate once and reproduce?
|
Different reproductive systems. The vast majority of animals *only* mate when they are already ovulating. Some are induced ovulaters even. Meaning that the very act of sex makes them ovulate. In humans, mating is more of a social / partner bonding thing, so we also mate when we are not ovulating and there is absolutely no chance of pregnancy. One other fact is that humans have a very high rate of miscarriages. There is some research that 70% of fertilised eggs never make it to full term pregnancy. Most of these eggs are lost before we even realise we are pregnant. This might be due to the fact that humans invest a lot of resources into very few children / pregnancies. So for us, it is better if 'flawed' conceptions terminate early, before all that effort was put into things.
|
Why do people get "stuck in their ways"?
|
Because it's easier to fool a man than it is to convince him he's being fooled.It's the "don't fix what isn't broken" principle. A person follows tradition because it's never led them astray, and even if it does, cognitive dissonance/motivated reasoning will allow them to rationalize their beliefs and actions to themselves. Once they decide that their ways are superior, it becomes part of their identity. If it is threatened or criticized, they will consider it an insult or attack, and move to defend it.
|
How do drug purity test like mecke, marque and Simon work?
|
Reagent testing can only tell you whether a certain class of compound is present or not, not how pure it is. In order to find out how much of your substance is what you’re interested in you’d want to use titration instead. The non-drug portion may be completely inert and not react with a reagent test kit, but if you’re not so concerned with concentration you can at least say that there is *some* or *none* of a drug or type of drugFor the Marquis reagent specifically the reagent breaks apart the drug and reacts with the formaldehyde. This reaction creates a bunch of different chemicals with different colors depending on what the starting chemical was. Thats why for example MDMA and MDA have similar color reactions because the starting materials are structurally similar.
|
What is the link between the neurotransmitter GABA and anxiety disorders?
|
GABA is an inhibitory NT, meaning that it blocks certain synaptic activity including the same receptors that help anxiety which we use Valium or Librium. They cause chloride ions enter the neuron causing less synaptic activity.
|
The differences between Suni, Shia, and Kurdish muslims in the Middle East and the conflict(s) surrounding them.
|
The Shia and Sunni are the two main branches of Islam, and concern the proper line of descent from Muhammad. The Sunni believe that the rightful heir was Abu Bakr, Muhammad's father-in-law, while the Shia believe it was Ali, Muhammad's son-in-law through his daughter Fatima . In addition to the above, there are also ethnic tensions associated with the Shia/Sunni split, as Arabs are overwhelmingly Sunni, while Iranians are Shia. There are ethnic tensions between the Arabs and Persians/Iranians that date back far before Islam was founded, and that continued into the modern variant that's primarily Sunni Saudi Arabia vs. Shia Iran. The Kurds are a mix of the two , in addition to other ethnic groups like the Yazidi that are generally held by the Muslim Kurds to be fellow Kurds, and are an ethnic group sandwiched between Turkey, Iran, Iraq, and Syria. Kurds basically want their own ethnic state, and have been oppressed for generations by their neighboring ethnic groups. As a result, Kurds are a bit more nationalistic than religiously-affiliated. The Kurds are also pretty heavily influenced by their diaspora, both in the US and the former USSR, which is part of the reason why they don't generally care as much about religious differences as other Muslim groups in the region. Beyond that, the Kurds are also in a particularly important region of the Middle East that's been influenced by essentially every single Empire in Western and near-Eastern history, including the Persians, Greeks, Romans, Byzantines, Ottomans, the various Crusader States, and the British, Russian, and French empires prior to WWII.
|
Is there a real difference between deodorant and anti-perspirant or is it just marketing?
|
It's in the name. De-odor-ant is designed to mask or get rid of a smell or odor. Anti-perspir-ant is designed to stop you perspiring by interrupting the sweat gland. Deodorants are alcohol based and kill the bacteria that grow but also partially stimulates sweating. This isn't a concern though as the bacteria are what produce most of the funky smells. Antiperspirants do the same thing but they also contain additional compounds that interact with the sweat and form a sort of plug on the sweat glands which stops them producing more sweat.Deodorant simply makes your pits smell good . It "de-odors" them. Anti-antiperspirant actively works to fight your body sweating by covering your sweat glands in a sort of gelAnti-perspirant has aluminum in it, which blocks your sweat glands from releasing sweat. Some people find the aluminum irritating. Deodorant just makes your sweat smell better.
|
The difference and classifications between military ships; frigates, destroyers, carriers, etc.
|
Corvettes are small attack ships. Frigates are medium-sized attack ships, Destroyers are larger than Frigates. Cruisers are larger than Destroyers. These are called 'surface combatants' and are meant for fighting enemies directly. Carriers are in a different category since they aren't meant to fight directly but instead are just meant to be a floating airports. Carriers are escorted by the more heavily armed surface combatants listed above. Submarines are in a different category since they do not fight on the surface.The ships of today with names like frigate, corvette, etc that are old names may have a little relation to the originals but mostly not. Navies like to re-use names so that they have an air of tradition. A frigate today is meant to be an inexpensive anti-submarine vessel that forms part of a large escort for a carrier or other task force. A destroyer is generally larger and carries a heavier gun or two and more anti-aircrraft weapons but can do the same duty and can also be used for a variety of multi-purpose missions like shore bombardment. The lines can be a bit fuzzy depending on the class of ships and the navy.
|
why do software versions always have decimals? What do the decimals mean? Why not version 3 instead of 2.7.10?
|
The decimal places often denote major , minor, and patch releases. Major releases usually have lots of features added or significant changes / improvements, minor releases may have a single feature added while patch releases may only have defect corrections for exampleThe first number is the major version, that only gets increased when something big changes, second number is usually a patch with a feature or maybe a big bugfix, the third is often just a minor patch or bugfix.
|
Watching the World Cup, I see many soccer players touching the back of the heads of each other. What does this gesture mean?
|
It expresses a "no hard feelings" sentiment. You usually see it after one player gets called for a foul on his opponent. He helps up the fouled player, and apologizes if the tackle hurt him.
|
What is the difference between a Function Call and a Function Definition?
|
Function Definition: You define what the function will do when you call it. Function Call: You call the function to do what you defined previously. 🙂A function definition is a cake recipe. A function call is a warm delicious cake One defines the means, the other executes itImagine a function meant to multiply two values. The function definition would be something like function multiply { function result=valueA*valueB } the function call is something like this c=multiply According to the definition of the function this call would set c to 35.Generally a function is defined once and can afterwards be used as often as needed.
|
Why do streetlights in the distance twinkle like stars, when the ones nearby seem to glow consistently?
|
The air in between you and the street light is a moving mass of uneven temperature. As the light moves through it, it gets bent which causes the twinkling effect. The same thing is going on with stars. When the light is closer there is less air for it to move through and so it gets bent less.
|
When a movie is censored for broadcast who decides what the dialog will be replaced with?
|
The goal with censoring lines in a TV broadcast is to make it so that viewers don't realize it's dubbed, which breaks suspension of disbelief, so words will be chosen that lip-read similarly to their profane counterparts. That's why the broadcast version of *Snakes on a Plane* [is so bizarre.] For posterity, the original line is "motherfucking snakes on this motherfucking plane!" The two still lip-read well.
|
Why are September, October, November, and December not the 7th, 8th, 9th, and 10th months?
|
They were, in the Old Roman calender. Then they were modified to make a more accurate, Julian Calender. Then that got changed again by the Church to create the Gregorian calenderOriginally they were. January is named for Janus, the roman god of beginning and endings. February is named after Februus/Februa, a god of celebration and purification, many of which happened as spring came. March is named after Mars, as this was the beginning of the of the Roman year, which lined up with changes in seasons, rather than with our date of January 1. April was named after "aprilis" meaning "to open" presumably because buds begin to open. May = Maiesta, the Roman God of honour and reverence. June may be for Juno, mother of Gods. Or for iunioures a month dedicated to the young, in contrast to May, which would revere the elderly. September, October, November, December were the 7th-10th months. But then Julias Caesar had a month named after him, and then Sextillus was changed to Augustus in reverence of the first Roman EmperorI believe they used to be if I remember correctly, the Roman new year was March 1st, making September the seventh-part, etc.
|
Why can't skaters do backflips in the olympics?
|
two reasons: because it's dangerous, and when they land, their skates damage the ice more than just a "normal" jump wouldSimply because the ISU considers the backflip to be too dangerous. There have been other moves that the ISU has banned such as the "head banger" death spiral in pairs skating because there is a chance of the woman's head striking the ice. There is a mention of the banned back flip in this article: _URL_0_', "If it were legal, so many would attempt it and lots would result in injuries. Not landing a backflip can paralyze you. Your whole neck and spinal cord would just totally screw up. In an effort to make Figure Skating less dangerous, they ban it. At least, that's my take on it.
|
What kind of device or technique do Radio stations use to get immediate access to almost every song and/or sound effect?
|
I don't remember the exact numbers, but nearly every radio station in America is owned by a couple companies. It's really, *really* not just a patchwork of independent stations like the old days. So they have control over millions of listeners and are able to get direct access to content from the major labels as soon as possible. It's all digital these days, so I imagine they just have private FTP servers or some other way to download the new stuff and get told when new things are available. They definitely don't get sent actual CDs or anything by people signed to major record deals. Spotify actually has to pay people to get to use their songs and negotiate terms of agreements, whereas radio stations can just get it all for free and play what the home office has decided is "hot" today. It's led to an over-streamlining of popular music, where every top 40 station in every major city in America is on the exact same playlist, that didn't exist when every DJ had the freedom to control their own playlist. As far as sound effects, promotional drops "Hey this is Usher and you're listening to " and the like, those are usually paid for in some way by the company that owns the radio station, and there are services that just offer sound effects, news bits, and things like that to radio stations.
|
How does the monetization of Facebook Likes and Shares work?
|
If you're referring to people making profit directly off of facebook pages, without any other product in the mix: 1. someone creates a site/page and tries to make it as appealing as possible.2. they post content people would like and/or share, and often explicitly encourage people to interact with the content. A lot of Facebook religious content or sob stories often take this format. For example, Christian posts asking you to type 'amen' or a story showing a person in some sad situation encouraging the comments to say something to/nice about them. 3. Now, because of the large numbers of likes, comments, and shares, Facebook thinks this is one hot page and makes sure to regularly include it in people's news feeds. This often includes *friends* of people who have interacted with the content, not just subscribers to the page. So a lot of eyeballs see content from this page!4. Then, they sell the page to someone. Why would someone buy it? Because any advertising content they post is *guarenteed* to show up on the news feed of a large number of people, and those people *think* it's an add from a facebook group they already know and trust. It's an easy scheme to do too, you just need to post a simple image encouraging people to interact with the page a few times a week. Once it gets going your images can circulate for months accuring likes and follows.
|
Why do the words terrific and terrible have different connotations?
|
They both came from the same Latin root, as someone already explained. The meaning of words and phrases in language changes over time. Another interesting development is the relationship between German and English and their tendencies to use "negative" words with "positive" ones to make something "extra" good. For example, in English you can say "I'm terribly glad to see you!" You understand this as this person saying: "I'm extra happy/excited to see you!" You don't think that they and glad to see you in a terrible way. German also does this , so that's where English probably got it from. It's a weird/cool thing to know the difference between "This casserole is terribly good." vs. "This casserole is terrible."Terrific and terrible come from the same latin root word, *terrere*, which means "fill with fear". In 1809, "terrific" began to be used to mean "very great; severe", as in "a terrific headache". In 1888 it began to be used to mean something like "excellent". You can figure this out for yourself in the future by googling " < word > etymology".back in the day, terrible could be a synonym for 'great' in some contexts. Like how we say 'god-fearing', and dreadlocks are religious because they represent someone's 'dread of god'. as to why one stayed the same and one reversed, not sure.
|
What is the difference and punishment between treason and high treason in the U.S.?
|
Treason is against the country, and High treason is against the current sitting monarch. The US has no monarch so it has no High Treason.High treason doesn't exist in the United States. There is only treason. Canada has both, but not the U.S.
|
Why are weightlifters generally more into motivational posts online, compared to other athletes?
|
Because bodybuilding is not a team sport, when you're in the gym 5-6 times a week by yourself you're going to need motivation more than somebody who can look up to their team mates and better players in the same club.because other athletes have competitions. something to look forward to. Weightlifters usually have to just keep lifting. So to stay focused they need the external motivation to keep on grinding when progress is slow
|
If atomic blasts and radiation can change gene expression and cause mutations, can we theoretically use similar methods to our benefit?
|
Chance. When cell division occurs there is a very good chance that the off spring's DNA will be mutated. This happens a lot not > 50% of the time, but fairly often. Normally 99% of these are useless and will do nothing. .7% are harmful, and will be killed by the immune system, .2999% end up as carcinoma cells .00001% are actually adventitious. The same goes for Ionizing raditions from atomic blasts, nuclear reactors, radioactive stuff, cosmic rays, etc. Normally Radiation overwhelms the body's defenses by producing junk cells the body has to cull. This leaves you open to infections, and body systems that fail because their are just to many useless cells, which poison you in strange ways. And cancer from random mutations. NOTE: Percentages are made up to illustrate a point.
|
Why are there only 7 visible cubes in a hypercube.
|
there are 8 visible cubes in the 3d representation of it. One on the inside. 6 for each side of the inner cube. and the one that contains them all.. Take a look at [this] to see what I mean.
|
What about smoking cigarettes is calming?
|
When the body wants nicotine it will drive you nuts until you get it. When the body gets it fix the cravings go away. Also when smoking deep slow breaths are taken which is also calmingFor the addict, the calming aspect of what is otherwise a stimulant is simply the satisfying of the addiction itself./u/StickleyMan recommended Allen Carr's book [Easyway To Stop Smoking], which covers this question. A stressful situation causes the smoker to feel like a cigarette will ease the stress. In reality, the stress of nicotine withdraw is added on top of the initial stress. Smoking a cigarette eases the stress of nicotine withdraw causing the illusion of easing stress. The initial stress is still there.From a chemical standpoint, a study was done recently that provides a good answer. According to Jean Gehricke, “Participants who showed nicotine-induced changes in anger task performance also showed changes in brain metabolism. Nicotine-induced reductions in length of retaliation were associated with changes in brain metabolism in response to nicotine in brain areas responsible for orienting, planning and processing of emotional stimuli”. So basically nicotine affects aspects of the metabolic state of the brain in areas that are associated with dealing with emotional stress. The alterations in these areas bring the smoker from a more anxious or antagonistic state to a more calm, relaxed state.
|
Why do they turn of the cabine lights on take-offs and landings on airplanes?
|
For safety. These are the two most dangerous times in a flight. However unlikely, if an accident were to happen, by having the lights off, your eyes will already be adjusted to the outside levels of light, ready for the evacuation.
|
If there is a 3D object on a screen, will my eyes view that as added distance to see or will it see it as a 2D representation? Why?
|
When you look at something, each of your eyes individually sees a 2d image. But because your eyes are in slightly different places, each eye sees the object from a slightly different angle. The closer the object is to you, the more offset the angles are, and therefore the more different the images each eye sees are. Your brain then examines the two images and creates the illusion of depth based on how different the images age. Because computers have flat screens, each eye will see the image on a screen from the same angle. This means that when your brain reconstructs the image, it will construct a flat image; you won't actually see depth. But the brain isn't stupid. It uses other clues to determine distance besides actually 'seeing depth'. Lightning and shadows for example. If you look at a picture of a person's face, for example, if you look at a picture of a face, you can tell how big their nose is. This is because you can see shadow it casts. So even though when you look at a screen you can't actually see depth, you can still roughly judge it.
|
If Somalia was a failed state how did the borders stay intact and not be taken over by neighbouring countries
|
Why would they want it? Seriously though, the surrounding countries were probably a bit too busy with their own problems and the international community would have had something to say about it. At a minimum there would have been a very strongly worded letter.Because in the current world there's a general principle that nations should not violate the territorial integrity of others. If they do they may face international sanctions or even military intervention from more powerful nations. If a country has a relatively strong economy and military, it may be able to get away with it . But Somalia's neighbors aren't the world's most economically or militarily powerful nations. They have no incentive to piss off the world by trying to annex neighbors. Also, occupying and governing Somalia would mean a lot of trouble.
|
Regarding officials (police, judges, etc) who get caught doing something immoral or illegal, why are they asked to resign instead of getting fired/license/certs revoked?
|
Police can be fired. In *some* locales, so can judges. But in *many* locales, judges are protected against removal except in extreme cases , as are legislators. This is done to prevent abuses, like someone who doesn't like their policies working to get them fired.
|
Why the US is allowed to shutdown websites such as Mega-upload?
|
Because the relevant assets were inside the jurisdiction of the governments that did the seizures. A website hosted inside Germany using the .de ccTLD of Germany is safe from the USA because all of its assets are inside Germany. Germany can take action against them, though.
|
How did reddit manipulate Google image results of Comcast to display a swastika?
|
You post the image, with the title including "Comcast". The longer it stays and the more popular the image is, the more likely it is the google bot will pick it up, and place it closer to #1
|
What does it mean when someone is always trying to one-up you in a conversation?
|
I do this, and I try not to. As I 've gotten older I'm much more successful. To think of it a targeted thing is more than a little misleading. It's a defect in my communication that has little to do with the person I'm communicating with and way more to do with how I'm communicating. For me, it's mostly about being nervous or uncomfortable somehow. I find a "flowing" conversation to be something that's very difficult to do. Sometimes I find myself slipping into an introagation mode where all I do is ask questions and never talk about myself. Then, sometimes, I overcorrect. You say something about your self and it makes me think about something in my own life. I'm excited that I get to participate in the conversation so I frequently interrupt other times I just follow up, and tell my story. Of course, because I'm insecure and want you to think well of me. I won't tell a story that sounds worse than yours, obviously, so I tell a story that somehow one-ups your story. I don't mean it in a negative way. I don't think I'm smarter than you, in fact I likely think quite otherwise. I'm not trying to make you look stupid or bad, I'm trying to make myself look good. Ironically, it accomplishes the exact opposite. It's my natural style, and I 've learned to not do that. But it took me the better part of a decade to really realize that I was doing something wrong, what that thing was and how I might fix itI just do this because I like to discuss the topic. It depends on the person and how its said, but it may or may not be aimed at you.
|
Why the NFL commissioner is boo'd?
|
Tradition, when it was in NYC Jets fans boo'd everything especially their team's picks. But also he is nothing but a corporate shill and spineless mouthpiece for the uncaring owners. Why should he be cheered?
|
At what point does a fertilized egg or an embryo gain consciousness or awareness that its alive?
|
If you're talking about self-awareness, then around the age of two assuming you follow the mirror test as a valid test of self-awareness. Basically, you show the child a mirror. If they think it's another child, it's not self-aware. If it recognizes the image in the mirror as themself, they are self-aware.
|
Regarding the different types of non-covalent interactions, why/how does the energy of these different types of interactions depend on the distance between them?
|
Non covalent bonds do not share their electrons like covalent bonds do. It is a metal bonding with a non metal. There has to be a certain degree of electro negativity difference. If you take a gander at the periodic table, there's metals in groups 1, 2, and 3 that lose one electron, two or three and then become positively charged with a +1 +2 or +3 charge also called a cation. Losing a negatively charged electron leaves more positively charged protons, so that element is then positively charged. Non metals on the far right side can then receive that/those electrons. Their charge is determined by their place in the periodic table also. A non metal in group 6 will receive a charge of -2 and is called an anion. Gaining electrons that are negatively charged gives the element more negative charges than positively charged protons, so it becomes a negative element. This charge is found by subtracting the group number from the number 8 the noble gasses in the far right of the table are all stable with 8 valence electrons. Because of their distance apart on the table and their separations in charges, these ionic bonds take much more energy to break apart than covalent bonds. This is why water has such a high heat of vaporization compared to other compounds. An easy example of a far left group metal bonding with a non metal is NaCl -sodium chloride , which has a Na+ Cl- charge and is arranged in a crystal lattice shape, which is very strong compared to a non ionic bond. Metals in the middle of the table like cooper can also bond, but they have variable charges. This is all off the top of my head and chemistry was not my strong suit :)
|
Why does sleeping 6 hours earlier at night make me more tired than sleeping 6 hours late at night?
|
It could be as simple as your body taking time to adjust to a new sleeping pattern. How long have you been doing this new sleep schedule?
|
How do cartoon shows like The Simpsons and Family Guy increase the overall quality of animation over time? What changes?
|
They got bigger budgets due to popularity. Also, the early seasons used hand-drawn animation made for 480p analog broadcast, while now they are computer animation rendered in 1080p.They get viewers and make more money to put into development. Just like a series I watch: Supernatural.First season the devils smoke was terrible. Nowadays it's epic. Just money :)
|
Why does a country like china devalue its currency?
|
Let's pretend the exchange rate is 1:1 for the Yuan to the Dollar. Something that costs 100 Yuan would have to sell for at least $100. Let's say now the exchange rate is 2:1. It costs twice as much in Yuan to buy its equivalence in Dollars. That good that costs 100 yuan can now sell for $50.
|
Why is it whenever I stand up too fast from sitting on the couch, my vision becomes slightly impaired (or I start seeing only black) and I become dizzy?
|
Interestingly, the Mayo Clinic offers a [description of that dizziness, but no reason for it] My guess would be it's a combination of two things. One is the sudden movement of standing which jostles the fluid inside your inner ear. Your ear uses that fluid to detect movement, orientation, and help with balance. Jostling that fluid by spinning, riding in a car or on a boat or standing up can all cause dizziness. The impaired vision is likely blood flow. When you stand up fast, it's likely that blood drains a little bit away from your brain and down toward your legs. This only lasts a moment but it's enough to slightly effect your vision. The same thing happens to fighter pilots during flights, blood pools in their legs and they experience blindness. They actually make [special suits] to prevent blood pooling for this reason.It might have to do with blood pressure. The actual height of the blood "flow" depends on your position. This is what determines the pressure your blood has. When you are laying down, this height is about 20 cm, but standing up it's close to your height. This conversion gets harder with your age, and might cause blood to not be where it should be for a while . EDIT: please feel free to correct me, this is what I recollect from my high school years
|
Can a person survive walking inside a tornado?
|
It's definitely possible but not probable. I don't think you'd be able to walk either. You'd most likely be picked up by the wind. Occasionally stories pop up about people who get picked up and gently set down a few miles away with minor bruises, but most people die.Unlikely, but possible. All but the weakest tornadoes will have winds strong enough to blow you off your feet. The flying debris poses the most hazard, followed by being thrown around into objects by the high winds.
|
Why are there so many Saudi princes?
|
Because each one takes on multiple wives and has many children so prince has 20 children, and they each have 20 children you end up with many, many princes in the royal family.
|
Please explain how a one-way mirror works.
|
a one-way mirror is really just a 1/2 mirror and a 1/2 glass. If it is facing into a bright room then from the bright room, 1/2 of the bright light goes into the closet and 1/2 of the bright light gets reflected back Additionally, 1/2 of the dim light from the dark room passes into the bright room but this dim light is overwhelmed by the bright light and the person in the bright room only sees the reflection. From inside the closet, there is no reflection and 1/2 of the light from the bright room can pass through and spying can ensue. Now if the light in the closet is turned up enought, the person in the bright room starts to see a ghost like image of someone watching and if the light in the bright room gets turned down, the light from inside the now bright closet will overwhelm the dim reflection and the scam will be revealed. So a one-way mirror is really just a 1/2 mirror and 1/2 glass that works when one room is bright and one is", 'Very simple explanation here, with ilustration : _URL_0_
|
Why are there so many more shootings, attacks, and bombings in Europe than the US When the US is more actively involved in destabilized regions than countries, for instance, like France?
|
1. There aren't more shootings in Europe than in the USA, but there are more Islamic terrorist attacks, which I presume is your point. 2. Europe is more populous than the USA, the EU alone has over 500m residents. More people = more stuff happening. 3. Europe is closer to areas of unrest and shares land borders leading to the whole of Eurasia. You can walk from Beijing to Lisbon, so it's easier for terrorists to get around. 4. As a collection of countries it is more difficult for Europe to have unified action. Sharing intelligence and coordinating operations is more difficult when dealing with multiple governments and a large number of languages. Of these I'd suggest that proximity is the biggest factor. Europe is a closer, and therefore, easier target.Because the US has a very handy natural border between their nation and the "destabilized regions" you are referring to. Two very large oceans. It's extremely difficult for people in those regions to get to the US and when the US does take people, they do extensive checks on those they receive. Essentially cherry picking refugees from European countries to ensure there is the least chance possible that anyone that comes to the US is a disgruntled, displaced person who might attack US citizens because they blame the US or Western countries in general for their situation.Because the terrorists don't just hate the US, they hate any westernized country and its beliefs. Those countries are way easier targets because they don't have to take a plane to the US to get there and it's harder to peg someone as a terrorist in those countries because to my knowledge it's illegal to look at a Muslim man as anything but just a Muslim man. I'm not saying all terrorists are Muslims, but you get my point.
|
On USA Taxes, how much do you need to donate to charity to receive more than the standard deduction?
|
The standard deduction for most single people is $6300. In most cases, they should itemize if their itemized deductions are more than that. One way to do that would be to donate more than $6300, of course, but people can also deduct sales taxes or state and local income tax, as well as their mortgage interest, real estate tax, mortgage insurance and part of their employee expenses. So you often need to donate a lot less, or maybe even nothing, to get above $6300; it all depends on the other itemized expensesWell, standard deduction for a single person is $6,300 so your itemized deductions would need to be more than that -- those would includes things like mortgage interest deductions, tuition or student loan interest deductions, as well as your charitable donations -- for you to save money by itemizing.
|
How can a plane 'disappear' without knowing its location, when i can track flights live from my phone? Malaysia Airlines MH370 imparticular
|
Exactly the point and why this is a serious problem, OP.All those tracking apps rely on position reports broadcast via the airplane itself . If the airplane stops transmitting for some reason, the only thing you have is an approximate radar position with very limited altitude and no positive ID of which plane you're looking at. If the plane goes to low altitude, you disappear from radar, and radar and satellite can't see underwater.
|
How do TV shows translate word play based jokes for viewing in other languages?
|
depending on the circumstances, it's rewritten slightly. usually there's a surprisingly fitting equivalent you can come up with. the languages more similar to the show's original language, tend to be more likely to have an equivalent word/wording for it. but then sometimes, the joke just doesnt work anymore and they have to deal with it. for your example, I looked up the spanish version of fishdicks..and it just goes 'do you like fishsticks?' 'yeah' 'do you like to put them in your mouth?' 'yeah' 'then what are you, a gay fish?' well. I guess 'sticks', barritas, is obvious enough that people watching it would get it anyways. but the joke doesnt work quite as well anymore. I had a go at finding it in german and dutch as well but couldnt come up with any working links, so couldnt say about those. but I've watched shows in those languages before, and yeah, generally it works similarly. it still kinda works but not as well as the original.
|
EL15 Why can I effortlessly touch-type but I am unable to recite the order of keys on my keyboard without looking.
|
The same way Eric Clapton could play a blistering guitar solo, but be unable to recite all the notes of that solo to you one by one.Touch typing develops muscle memory through an act of repetition. This allows you to subconsciously 'remember' locations of keys and patterns needed to type words. As you practise touch typing more, you are essentially making new neural connections in your brain. Once they are established, your brain uses those connections to control the muscles in your body/arms/hands/fingers to type the keys you want. You type each key essentially without 'thinking' about it - of course, you are actually thinking about it, but it just happens as a subconscious level. Reciting the order of keys would require conscious visual memory. You have to consciously search your memory for an 'image' of a keyboard and locate the keys in order. This requires a totally different set of neural connections in your brain - a set that is no where as near developed or complete as your 'muscle memory' connections, simply because recalling the keyboard image is not something you have done as much as typing!
|
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.