News in Brief Tech Custom-designed legs help robots speed over sand Six-legged machine runs across grainy surfaces By Meghan Rosen March 22, 2013 at 11:35 am - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to print (Opens in new window) Print View the videoA tricked-out robot can scurry quickly over pebbly surfaces using custom-made legs. A LEG UP A hexapod robot rests in a bed of granular material. The robot uses custom-designed legs to move quickly over pebbly surfaces.