Researchers at McGill University in Canada have optimized a process that converts human urine ...

Batteries hold toxic, flammable chemicals that leach into the ground, are fraught with conflict-filled supply chains and contribute to the ever-growing problem of electronic waste. George Wells, ...

Researchers at Northwestern University have shown that soil microbes can provide continuous energy to power the Internet of Things (IoT). The size of a paperback book, the fuel cell can operate ...

The continual attraction of energy harvesting is well known. Who can resist possibly getting something—usually electricity—for nothing, or almost nothing? Yet the reality is that in many cases, the ...