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

Nuclear batteries are pretty simple devices that are conceptually rather similar to photovoltaic (PV) solar, just using the ...

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 ...