When pushed into the smallest of cracks, water can be utilized in surprising methods. A brand new battery design that depends on tiny quantities of water confined inside layers of clay might ultimately provide sustainable energy in locations as excessive as Mars.
Vasily Artemov on the Swiss Federal Institute of Know-how and his colleagues constructed the battery with parts much like these of typical batteries, together with two electrodes, one with a unfavorable and one with a optimistic cost. However as a substitute of constructing these electrodes out of metallic, they used the…