2012 Invention Awards: A Spring-Loaded Ice Skate – Popular Science


Popular Science

2012 Invention Awards: A Spring-Loaded Ice Skate
Popular Science
By Bjorn Carey Posted 06.07.2012 at 11:00 am 0 Comments David Blois manages condominium properties near Toronto, but at any given time he's usually also working on several inventions—a solar-powered smoke detector, say, or an age-spot-erasing skin

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