Custom-designed legs help robots speed over sand

Six-legged machine runs across grainy surfaces

By Meghan Rosen, 11:34 AM March 22, 2013

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A tricked-out robot can scurry quickly over pebbly surfaces using custom-made legs.

A commercially available, build-it-yourself toy robot called the RoboXplorer was the starting point for physicists led by Daniel Goldman of Georgia Tech. They turbocharged the toy by slapping on plastic legs that plow through grainy soils. The work could help engineers speed up other legged bots and even wheeled devices, such as the Mars rovers, the researchers suggest in the March 22 Science....

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