Body sensors have long been bulky, hard to wear, and obtrusive. Now they can be as thin as a Band-Aid and about as big as a coin. The new sensors, created by Kyung-In Jang, professor of robotics engineering at South Korea’s Daegu Gyeongbuk Institute of Science and Technology, and John A. Rogers, Northwestern University, consists of a silicone case that contains “50 components… Read More