A recent experiment by Double M Innovations shows how a simple setup can turn ...

Deep space probes and frontline soldiers share a basic problem: once they leave the grid, every watt has to be carried in. That constraint has shaped mission design for decades, from bulky ...

A battery that keeps its charge for decades is likely the fantasy (whether conscious or unconscious) of more than a few people in this digital age. Devices have made life more convenient, more ...

A Washington state-based fusion energy startup is helping to make that dream a reality for DARPA, which wants higher-power ...