ThermalEarring (IMAGE) University of Washington Caption University of Washington researchers introduced the Thermal Earring, a wireless wearable that continuously monitors a user’s earlobe temperature. The smart earring prototype is about the size and weight of a small paperclip and has a 28-day battery life. The earring can be personalized with fashion designs made of resin or with a gemstone, without negatively affecting its accuracy. Credit Raymond Smith/University of Washington Usage Restrictions For reuse with appropriate credit License Original 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.