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 supply 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 just like these of standard batteries, together with two electrodes, one with a detrimental and one with a optimistic cost. However as an alternative of constructing these electrodes out of steel, they used the…