Sunday, November 11, 2012
Heinlein invention validated on Shark Tank
I was watching a taped episode of Shark Tank last night, and two guys came in with an invention: a gyroscopically stabilized unicycle. You could rise it up to 15 mph and you could not make it fall over. This is exactly - exactly - what Robert Heinlein, 60 years ago, called a tumblebug in his story "The Roads Must Roll." It's a shame it took so long to invent: it looks like a lot of fun, simpler and cheaper than a Segway and needing only a space the size of the user's body. there have been prototypes for self-balancing unicycles before, but these guys look like they have gone beyond the interesting toy to the practical transport.
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