Researchers in Blacksburg, Va., are testing snakelike robots that may prevent slips and falls. The Robotics and Mechanisms Laboratory at Virginia Tech unveiled them last spring and has been racking up awards since, most recently last month at a Korea design fair where the 3-ft-long critters took the grand prize. Photo: Virginia Tech Robot that crawls, twists and rolls is designed to work at heights. “These are really wicked cool robots,” says Dennis Hong, lab director, adding that the robots are designed to climb scaffolds, buildings and other high places that might pose risks to construction workers. Using built-in sensors
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