Chinese researchers are experimenting with a new rail gun design to help overcome the firepower limitations of existing designs. They believe that stacking two rail guns in an X-shape in a single ...

Tank design has been refined for more than a century to create massive, agile, and deadly weapons of war. Initially, tanks were slow and marginally effective on the battlefields of World War I, but by ...

(AP) It sounds, at first, like a bold, next-generation solution: personalizing guns with technology that keeps them from firing if they ever get into the wrong hands. But when the White House called ...