The TK1 Folding Electric Trike combines features like a folding frame, 1,000W peak motor operation, and three wheels — which ...
Hank demonstrates how to build a hybrid rocket engine in your kitchen! Hosted by: Hank Green Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Sam Lutfi, Nicholas Smith, D.A. Noe, ...
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