Skin as Conductor (IMAGE) University of Massachusetts Amherst Caption Sunghoon Ivan Lee demonstrates how the wearable device is charged through his left forearm's contact with the power transmitter below the keyboard. Credit UMass Amherst Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.