This 5W thermoelectric generator converts heat from a chimney or camp stove into electricity for charging USB devices. Small-scale electricity production can be a complete gamechanger for off-grid ...

An adult human can produce about 100 Wh of mechanical power whilst cycling, which is a not inconsiderable amount if you can convert that to electricity with reasonable efficiency. In a recent article ...

A group of scientists have created a portable refinery that efficiently converts food, paper and plastic trash into electricity. The machine, designed for the U.S. military, would allow soldiers in ...