ChemPhys Patch Worn on the Chest (IMAGE) University of California - San Diego Caption The ChemPhys patch can be worn on the chest, near the base of the sternum, and communicates wirelessly with a smartphone, smart watch or laptop. Credit Jacobs School of Engineering/UC San Diego Usage Restrictions Please credit Jacobs School of Engineering/UC San Diego 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.