Irvine, Calif., July 12, 2022 – A new self-powered, wristwatch-style health monitor invented by researchers at the University of California, Irvine can keep track of a wearer’s pulse and wirelessly communicate with a nearby smartphone or tablet – without needing an external power source or a battery. In a paper published recently in the journal Nano Energy, team members in UCI’s Henry Samueli School of Engineering describe their invention, built via 3D printing of nanomaterials on flexible substrates for real-time and wireless monitoring of vital signs. The current prototype serves as a self-powered radial artery pulse monitor, but other aspects of health – such as heart rate, body temperature or…