Wind tunnels are the unsung heroes of aerodynamics. Thanks to these breezy devices, we have safer planes, cars and space vehicles.They even provide some extreme fun for the adrenaline junkies among us. What's the deal with wind tunnels? Find out in this article.
Ever wondered how that thing works? Explore the inner workings of many common devices and inventions, as well as those that aren't so common, such as compasses, gyroscopes and bug zappers.
I just saw a movie where the main character, a British secret agent, is revived after 30 years on ice. Are scientists actually working on this stuff?
I just saw a movie where the main character, a British secret agent has been "frozen." In the film, he is revived after 30 years on ice. My friend says scientists are actually working on this stuff. What's up with that? See more »
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