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What Is The Difference Between A Supercharger And A Turbocharger?
Supercharger is engine driven, meaning it forces air into the engine using a belt driven charger.
Turbo is air driven, forces exhaust air in the charger to force more air into the engine.
Turbo lag is from the time your push the petal until the turbo “spools” up with air and forces the air into the engine intake.
Superchargers do not have lag since they are driven by belts which react on demand.
– shit_jelly
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Why are DMVs so slow and inefficient?
Generally it’s because of the fact that these offices are run by the state and the state wants them run as cheaply as possible. Long waits or poor service don’t really matter (it’s not like you can go to the competing DMV across the street). The only thing that matters is saving taxpayer money while still delivering the service.
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How did Vietnamese monk Thích Quảng Đức achieve such an extreme pain tolerance?
During immolation, the extreme heat can burn the nervous system, basically killing the cells that would carry the signal of pain to your receptors. The flames would be so hot that they destroy the nerves responsible for fast and slow pain, meaning the body doesn’t react like it normally does by twitching and other reflexes. Also I’m fairly certain that if the flame burns hot enough and fast enough as with some sort of accelerant, the flames deprive the person of oxygen and they will usually suffocate to death before succumbing to the destruction of their body.
– gym-bob
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Why do cats get startled so easily?
Its evolution. They don’t have the means to fight most large and possibly faster predators in their environment, so they compensate with hyper awareness and instinctual evasion. Cats who were wild but not skittish were more easily caught by predators. Cats who were more scaredy cats, and retreated from danger more often survived and spread their genes into for the generations. Being skittish is there number one survival trait that has allowed them to survive. Now when you see those very friendly cuddly cats that would just walk up to you on the street, that’s a product of domestication.
– Greenhound
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How do our bodies know when we’ve had enough sleep and wake us up?
You have an internal clock of sorts, the circadian rhythm, so your body knows more or less what time it is. This is partially controlled by sunlight and will go all out of whack if you live in a cave.
The pineal gland, towards the end of the day as determined by the circadian rhythm, will produce a chemical that makes you sleepy. Early in the morning, you’re asleep but the circadian rhythm knows it’s time to get up and the pineal gland stops producing the chemical. After a while it dissipates and you wake up.
If you’ve ever had to get up very early you may have noticed you’re exceptionally groggy for a while, this is because you’re still full of sleep hormones as your internal clock can’t predict a change to your routine. After a few days of getting up at 3am you do adapt, but it’s always a little harder to go against the natural sunlight hours.
As for how the circadian rhythms are driven by biological clocks, that’s a bit more complicated and afaik, invloves timing how long it takes for DNA instructions to be read inside the brain.
– ppphhh
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The Yakuza in Japan…how are their activities tolerated, how is membership legal, how are their operations functioning so apparently publicly? And what does the recent publicized split mean for the operations of these organizations in the future?
Their activies are tolerated because they are organized and don’t mess with the government. A lot of times Yazkuza are part of the system where they operate. They protect local businesses for money in return. Sometimes even give homeless jobs. And because the Yakuza is so big it isn’t possible to suddenly just arrest everyone. The Yakuza leaders are smart while the people that get arrested are the low level thugs that usually do stupid shit like be drunk in public and get all the dirty work. Also recently Olympus (camera company) had a scandal in which their president was dealing with the Yakuza. Basically Yakuza is behind the scenes doing a bunch illegal stuff but aren’t doing enough to the point where it will lead to the government to crack down hard on them.
To elaborate on the homeless job part, there was news that Yakuza would go around telling homeless people they had jobs paying pretty high per hour but without giving much detail on where. What they were actually getting hired to do was dangerous work of cleaning up toxic waste around Fukushima. Basically Yakuza are also being used by corrupt companies as well to do dirty work while let the company look innocent and are closely connected with the big name companies.
Also the recruiting process is usually like this. They have people going around and if you look like the type they may ask you if you want money for work. Once you join though it’s hard to get out. The thugs that do the low work also get punished by Yubuitsume which is usually getting the tip of your pinky cut off. However walking in the streets you won’t notice them unless you’re actively looking to join a gang.
To elaborate on how to tell who is Yakuza they usually have big colorful tattoos. depending on the tattoo drawn and its size on the back you can tell who is higher rank. Tattoos are really taboo in Japan and a lot of times onsens (bath houses) ban people with very large tattoos to avoid yakuza messing around. So sometimes foreigners face this too. edit: my comment seems like I’m defending Yakuza. I’m not, just giving reasons why the government is preferring to not do anything and let them continue their work. In reality Yakuza are fucking scum that take advantage of those weaker than them by using intimidation. While Yakuza does things to get community’s support like lets say raising money that is just propaganda. They don’t give a shit about you and do stuff like that so they can run without people saying anything.
– Zelmont
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Why are social security cards printed on regular paper?
It was designed to be destroyed.
To better explain: With your driver’s license, there’s a picture, a birthday, an address, and defining features (height, weight, eye color, etc.). Thus, the chances of someone being able to use that card and say they’re you is minuscule. So if you lose it, it’s safe to say you’re okay (though you should NEVER assume. Always report to the DMV you’ve lost your license. They’ll tag the number)
With your social security card (which you’re issued at birth), there’s none of these. No one knows how tall you’ll be, what color your eyes will be, what you’ll weigh, or where you’ll live when you’re born, do a social security card just can’t have that identifiable information on it. It has your name and a number. Since most jobs and businesses accept a social security card as proof of identity, it would suck major balls for someone to find your card and proceed to use it as you. By making the card out of flimsy paper, you lessen the chances that someone will find a perfectly intact social security card on the street (as water would ruin it) or easily find it rummaging through papers (it doesn’t feel like a plastic card).
Also, it helps guarantee you’ll protect it. That social security card and the attached number are YOU. Would you carry that around in your wallet all day like you would a driver’s license? I’d hope not. With a license which expires every 5-10 years, getting a new one is easy. With a piece of card stock meant to last you your entire life, making it flimsy by design actually helps ensure its safety.
– swarexs985
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Why does peeling an egg sometimes work and other times becomes a complete mess?
The age of your eggs. Older eggs peel better.
If your aim is beautiful, pristine hard-boiled eggs for deviled eggs or a similar dish, the only sure-fire trick we know is to use old eggs. As eggs age, they gradually lose moisture through the pores in their shell and the air pocket at the tip expands. The pH of the whites also changes, going from a low pH to a relatively high pH, which makes them adhere less strongly to the shell.
– iownakeytar
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What is the “new car smell”
Materials and adhesives off gassing. Similar to how a room smells of fresh paint for a few weeks after you paint it. Basically dissolved gasses escaping from materials in the car interior. When as much dissolved gas as possible escapes, the new car smell is gone.
https://en.wikipedia.org/wiki/Outgassing
– udoubleudoubleu
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What’s the difference between beer, lager, ale, and stout?
Ales and lagers are the two main families of beer. Beer being the general term for an alcoholic beverage made from fermenting malted grain in water, with yeast, and then preserving (and flavoring) with hops.
Just about every beer out there is either an ale or a lager, depending on the type of yeast used in fermentation. There are a few styles that are exceptions, (lambics, sours, hybrid styles, etc.) but just for the most part, almost everything is one or the other.
Ales use strains of yeast that ferment on top of the batch. These strains generally do well fermenting in warmer temperatures (65-75 degrees F, around normal room temperature). These beers usually ferment quicker, some as quickly as a few weeks.
Lagers use strains of yeast that typically drop to the bottom of the liquid to ferment. These yeasts generally do better fermenting in cooler temperatures (45-55 degrees F, refrigerator temperature). These beers will take several months to finish.
A stout is just one of MANY styles of ales. It’s one of the darkest styles, which uses heavily roasted barley to impact it’s color and flavor.
Both ales and lagers run the full spectrum of flavor, body and color. You can have a very dark, rich ale or a very light and delicate ale. The same applies to lagers, as there are MANY different styles of both.
– the_chandler
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