It was an event that would shake the world--literally. In 1846 Alfred Nobel invented dynamite, paving the way for such modern marvels as the Panama Canal, Hoover Dam, and Mt. Rushmore. Accidental Inventions examines the stories behind 10 extraordinary inventions, using historical photographs, 3D graphics, and interviews with professors and professionals from the FBI to the U.S. Air Force. See how a cocklebur became Velcro, or how a mysterious laboratory accident created Teflon. Did you know Cellophane was a failed tablecloth? Or that stainless steel was literally discovered in a scientist's junk pile? Accidental Inventions will delight and entertain as it explores these and other inventions, teaching us that sometimes the most important things are curiosity and an open mind. Covers: Microwave Ovens, Matches, Post-It Notes, Velcro, Teflon, Cellophane, Ether Anesthesia, Superglue Fingerprint Fuming, Dynamite, and Stainless Steel.
A**R
Useful teaching tool
I use this video in my science classes to go in detail about the scientific method.
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منذ يوم واحد
منذ يومين
