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How Luminol Works
science.howstuffworks.com/luminol.htm
Have you seen investigators on crime shows who spray some stuff on a "clean" carpet and suddenly -- blood stains! Well, of all the fictional technology on TV, it turns out this stuff is real! Find out how luminol reveals the blood.
How can water cut through steel?
science.howstuffworks.com/environmental/energy/question553.htm
Waterjets are explained in this article. Learn about waterjets.
How Power Windows Work
auto.howstuffworks.com/power-window.htm
Ever wonder what's behind the auto-up feature that can detect obstacles? Power windows are one of those hidden miracles in cars -- they're actually pretty amazing once you learn about them. Find out how power windows operate!
What's the difference between bees and wasps?
animals.howstuffworks.com/insects/bee-vs-wasp.htm
Wasps and bees are different in several ways. Find out how you can distinguish between wasps and bees based on which one sticks to the flowers.
Why Are There Dozens of Dead Animals Floating in Space?
science.howstuffworks.com/dead-animals-in-space.htm
Neil Armstrong may have been the first man on the moon, but he wouldn't have gotten there without fruit flies, rhesus monkeys or a dog.
What's the difference between stalactites and stalagmites?
science.howstuffworks.com/environmental/earth/geology/stalactite-stalagmite.htm
Stalactites and stalagmites are two common cave features that are often mistaken for each other. Learn about stalactites and stalagmites.
What is a digital signature?
computer.howstuffworks.com/digital-signature.htm
Digital signatures make sure the documents you send electronically are authentic. Learn about digital signatures and other authentication methods.
What's the world's cheapest car?
auto.howstuffworks.com/worlds-cheapest-car.htm
The world's cheapest car has been making headlines with a low price of two thousand dollars. Learn more about the world's cheapest car.
Dodge Muscle Cars
musclecars.howstuffworks.com/muscle-car-information/dodge-muscle-cars.htm
Dodge muscle cars, with their remarkably powerful engines, were among the wildest of the breed. Check out profiles of the top Dodge muscle cars.
How does the brain create an uninterrupted view of the world?
science.howstuffworks.com/life/inside-the-mind/human-brain/steady-view.htm
To achieve stability despite quick eye movements, the eyes take before and after shots of an image and compare them. Now, scientists may have finally discovered how.