'Hedgehog' Robots Hop, Tumble in Microgravity
Pasadena CA (JPL) Sep 04, 2015 - Hopping, tumbling and flipping over are not typical maneuvers you would expect from a spacecraft exploring other worlds. Traditional Mars rovers, for example, roll around on wheels, and they can't operate upside-down. But on a small body, such as an asteroid or a comet, the low-gravity conditions and rough surfaces make traditional driving all the more hazardous. Enter Hedgehog: a new conc ... more
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