There are a seemingly endless number of variations on the wave energy converter theme, but not all of them can claim to be a James Dyson Award winner. Sam Etherington’s can.
I’ve always loved Voltaic System’s habit of slapping a solar panel on just about anything one could carry around during the day. Backpacks, tablet covers, or laptop bags all become doubly useful once they’re capable of powering the gadgets within.
Air Force researchers say they've managed to harness more than 99 percent of wave energy.