One of the biggest wearable bugbears, in my opinion, is the constant need to charge a smartwatch or fitness tracker every few days. Luckily, a new research project from North Carolina State University has shown a possible way to charge wearables without having to take them off everyday.
The researchers, led by associate professor of electrical and computer engineering, Daryoosh Vashaee, developed a new design for harvesting body heat and converting it into electricity