Microbial fuel cells, as they're called, have been around for more than 100 years. They work a little like a battery, with an anode, cathode and electrolyte – but rather than drawing electricity from ...

(Nanowerk News) Cathode materials play a significant role in the performance of microbial fuel cells. In this study, researchers compared the performance of membrane-free air-cathode soil microbial ...

This article was taken from the November 2014 issue of WIRED magazine. Be the first to read WIRED's articles in print before they're posted online, and get your hands on loads of additional content by ...