Certain caterpillars and lizards have an amazing escape strategy – when startled, they’ll suddenly snap into action, curling into a wheel shape and rolling at proportionally breakneak speeds away from danger.  1G of acceleration, and over 200RPM.  Zoom!  This unusual movement method (specifically the non-gravity-assisted version) is the one that the above video (of the GoQBot) is designed to imitate.

So once again, science imitates nature, and discovers more amazing secrets – and yet some aspects are still a mystery.  How does a mere caterpillar generate as much force as a leaping locust with its soft, flabby body?  Yet to be discovered.  But GoQBot, by Huai-Ti Lin, Gary G Leisk and Barry Trimmer, is already incredibly impressive.

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