Slinky, squirmy robots.

• Position: TECHNOLOGY - Brief article

Robotics experts often get their ideas from the biological world. For example, a team at Tufts University in Massachusetts is developing a robot that moves Like a caterpillar. These creepy-crawly machines could be used to locate land mines, repair hard-to-reach machinery, and diagnose and treat diseases. They are modeled after the tobacco hornworm--a large...