Add Yahoo as a preferred source to see more of our stories on Google. An innovative fuel cell development that has been a decade in the making is now under construction and will provide heat to a ...

Engineers have built a modern Stirling engine that quietly turns the cold of outer space into steady mechanical power, using the night sky as a heat sink instead of a fuel tank. By radiating heat away ...

New research may make it possible to keep electronic devices powered with another piece of equipment you're likely to bring with you while exploring the great outdoors: camping stoves. The work ...