'Wristwatch' Monitors Body Chemistry (IMAGE) North Carolina State University Caption The metabolite monitoring device, shown here, is the size of a wristwatch. The sensor strip, which sticks out in this photo, can be tucked back, lying between the device and the user's skin. The device can be used for everything from detecting dehydration to tracking athletic recovery, with applications ranging from military training to competitive sports. Credit Murat Yokus, NC State University Usage Restrictions Photo credit must be given. 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.