‘Electronic skin’ has been developed that records heartbeats, brain activity and muscle contractions as accurately as bulky conventional electrodes, yet is no thicker than a human hair.
The patch, created by John Rogers, a materials scientist at the University of Illinois, Urbana-Champaign, and his colleagues, consists of a flexible and stretchy lattice of sensor-laden circuits. It can be applied and removed like a temporary tattoo, and sticks to skin without adhesives.
Kim, D.-H. et al., Science 333, 838-843 (2011).
A step closer to understanding human ecosystem