This battery is powered by algae

When bio-designer Lucia Giron was on family vacation at an island off the coast of North Carolina, a tropical storm flooded the shore, leaving behind small pools of water in the sand. “I remember going to the sea at night and when we stepped in the little puddles they glowed beneath us, and then as the waves were coming in, there was also this sort of glow,” Giron says. “That always stuck with me just as a sort of like memory, one of those moments where you are kind of in awe of a natural…