President of the Democratic Republic of Congo said on Thursday that his troopers are fighting an insurgence by the Rwandan-backed militant group M23 which recently captured swaths of land in the east.

The RPS uses two Stirling engines to convert the heat generated by the decay of Plutonium-238 (Pu-238) into electricity.

The Revolt RV 400 is one of the first electric motorcycles to fall under the low-maintenance categories. Normally, the range is the biggest problem with electric vehicles, but the Revolt does ...