Stuff of Genius: Spray Cans
3 years ago
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Although the idea of an aerosol spray back to the 18th century, Erik Rotheim was the first person to make a working device based on the concept. Tune in and learn how his Stuff of Genius has changed the world -- for better or worse.
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HowStuffWorks_Science
3 years agoStuff of Genius: Nick Holonyak: LED
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3 years agoStuff of Genius: The Pop-up Toaster
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3 years agoStuff of Genius: What's So Genius About The Wire?
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HowStuffWorks_Science
3 years agoStuff of Genius: Henry Phillips and the Screwdriver
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