When pushed into the smallest of cracks, water can be utilized in sudden methods. A brand new battery-like system that depends on tiny quantities of water confined inside layers of clay may ultimately supply sustainable energy in locations as excessive as Mars.
Vasily Artemov on the Swiss Federal Institute of Know-how and his colleagues constructed the supercapacitor, a kind of battery-like vitality storage system, with elements just like these of typical batteries, together with two electrodes, one with a unfavourable and one with a optimistic cost. However as a substitute of creating these electrodes out of…