Stuff of Genius: Stephanie Kwolek: Kevlar
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HowStuffWorks_Science
3 years agoStuff of Genius: Nick Holonyak: LED
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HowStuffWorks_Science
3 years agoStuff of Genius: Standard Time
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HowStuffWorks_Science
3 years agoStuff of Genius: Neon Lights
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HowStuffWorks_Science
3 years agoStuff of Genius: Windshield Wipers
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HowStuffWorks_Science
3 years agoStuff of Genius: Liquid Paper
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HowStuffWorks_Science
3 years agoStuff of Genius: Spray Cans
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HowStuffWorks_Science
3 years agoStuff of Genius: Aspirin
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HowStuffWorks_Science
3 years agoStuff of Genius: Velcro
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HowStuffWorks_Science
3 years agoStuff of Genius: The Pop-up Toaster
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1:59
HowStuffWorks_Science
3 years agoStuff of Genius: Richard Drew: Tape
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