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10 Inventions by Thomas Edison (That You've Never Heard Of)
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It's common knowledge that Thomas Edison invented the incandescent light bulb and the phonograph, but did you know he also developed concrete furniture and a phone to communicate with the dead?
20 Notable People Who Dropped Out of School
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These 20 people, including Thomas Edison, Princess Diana and Benjamin Franklin, achieved notable success in life, even after dropping out of school.
How Porta-Potties Work
science.howstuffworks.com/innovation/everyday-innovations/porta-potties.htm
Using a portable toilet at an outdoor concert or festival might be disgusting. But it sure beats going in a field! Now, imagine if your job were to clean out those suckers.
How Prosthetic Limbs Work
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Prosthetic limbs are incredibly valuable to amputees. Find out how prosthetic limbs restore some of the capabilities lost with the amputated limb.
How Laser Communication Works
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When speed is everything and light marks the universe's speed limit, lasers are bound to be the answer. At least, that's what NASA and a bunch of Wall Street types are betting on.
How Recording Studios Work
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Recording studios are where the magic happens in the music business. Learn more about recording studios at HowStuffWorks.
UFO History
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Modern UFO history began with the 1947 UFO sighting by pilot Kenneth Arnold. Learn the history of UFOs from ancient times to the mid-20th century.
How Area 51 Works
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Less than 100 miles from Las Vegas, is the most famous secret military installation on the planet: Area 51. For decades, the U.S. government refused to acknowledge it existed. But now, the secret is out.
How Gas Masks Work
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Gas masks are used to filter out harmful gas and particles from the air industrial workers breathe. Learn about gas masks and how gas masks are made.
10 Cool Things You Didn't Know About Stephen Hawking
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He was born exactly 300 years after Galileo died. He never won a Nobel Prize, although he was awarded a guest spot on "The Simpsons." What else do you know (or not know) about this acclaimed physicist?