WIRED ScienceAn Underwater Skin Sensor Lets Swimmers Track Their Sweat
Sports teams collect sweat to analyze athlete performance, while companies market sweat replacement drinks and sweat-removal clothing to help keep sprinters, cyclists and tennis players happy. But so far, swimmers have been left high and dry. Today a team of researchers announced they have built a small, flexible, wireless sensor that sticks to a swimmer’s skin, allowing athletes to measure how much they need to drink during a workout or race.
