1:34 Invention Stories: How A Children's Toy Led To An Essential Medical Device | Joe's Big Idea | NPR NPR
1:27 Invention Stories: These Boots Are Made For Talking … To The Internet | Joe's Big Idea | NPR NPR
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1:50 Universal People,Object, and Animal Finder Using Bandwidth and other Electronic Frequency Waves no name cash (N03 N03)
