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Car Buffs Should Be Able to Name These Hood Ornaments From the '40s, '50s and '60s. Can You?
While they may appear simple, automotive hood ornaments have undergone as many changes as the engines and tech used to power these vehicles over the past century. See how many of these mid-20th-century designs you can name!
10 Innovations in Water Purification
science.howstuffworks.com/environmental/green-tech/sustainable/10-innovations-water-purification.htm
As far back as 1500 B.C.E., people were trying to purify water to make it drinkable. And we're still at it. Today inventors use tools as simple as clay and as sophisticated as carbon nanotubes to bring clean water to the world.
How DSL Works
computer.howstuffworks.com/dsl.htm
Digital subscriber line (DSL) technology transmits data over phone lines without interfering with voice service. Find out how DSL uses extra bandwidth to provide a fast Internet connection without taking over your phone.
Can You Name These Fonts?
play.howstuffworks.com/quiz/can-you-name-these-fonts
You probably don't think much about the fonts used in various written works, but these fonts can have a dramatic effect on everything from work to entertainment. Take our quiz to see how many you can name!
How Aphrodisiacs Work
science.howstuffworks.com/aphrodisiac.htm
Most of us have heard the talk about oysters and chocolate, and maybe you've read an article about the stimulating effects of ginseng. But garlic, licorice and cucumber? Learn about the history of aphrodisiacs and whether they've been proven to be effective.
What Would Your Wizarding Wand Be?
play.howstuffworks.com/quiz/what-would-your-wizarding-wand-be
If you're still expecting your Hogwarts letter like the rest of us, you might have to wait a little bit longer, but that doesn't mean you can't find out what your wand specs are.
Getting a Handle on Fraction-to-Decimal Conversions
science.howstuffworks.com/math-concepts/fraction-to-decimal.htm
As you might recall from math class, fractions and decimals are two different ways of representing the same thing. A third option, percentages, is a close cousin of decimals. However, making use of this knowledge requires knowing how to convert one into the other.
Why do you have to turn your phone on at airport security?
Going through airport security is the worst part of flying for most people. Now you may be asked to turn your cell phone on in the security line. Why do you have to do that? And does it really keep us safe?
Half-Life Formula: Components and Applications
science.howstuffworks.com/half-life-formula.htm
In nuclear physics, the concept of half-life plays a crucial role in understanding the decay of radioactive substances. Scientists use the half-life formula in other disciplines to predict the rate of decay, as well as measure the age of ancient artifacts through carbon dating.
How Satellites Work
science.howstuffworks.com/satellite.htm
Thousands of satellites fly overhead every day, helping us with things like weather forecasts, scientific research, communications, TV broadcasts (and maybe some surreptitious spying). How much do you know about these eyes in the sky?