Extra-light, flexible solar cell could keep your smartwatch powered

Solar-powered smartwatches might become more practical in the years ahead. Researchers have developed a flexible solar cell that could be an ideal fit for future wearable tech. It’s 10 times thinner (0.3 micrometers) than human hair and, as you’ve li…
Source: Engadget | Extra-light, flexible solar cell could keep your smartwatch powered