Prototype Watch (IMAGE) Purdue University Caption The human body carries electrical signals well. Now these signals can be contained within close proximity of the body, thanks to new technology developed by Purdue University engineers. Credit Purdue University image/Erin Easterling 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.