Zhenan Bao, an associate professor of chemical engineering, and Christopher Bettinger, a postdoctoral fellow, show off the biodegradable electronics they make in their lab at Stanford University.
Video by Katherine Bourzac, edited by Brittany Sauser - Read the Article
This robotic rehabilitation device from Northeastern University uses electrically responsive fluid in its gears to adjust resistance as a patient performs gripping exercises. A patient who is recovering from a stroke, for example, could use the device to strengthen motor control as she plays a maze game.
Massachusetts Institute of Technology