President Donald Trump’s recent announcement that the Navy will build “battleships” again was not the only blast from the past. If they are ever built, the ships would each feature an electromagnetic ...

Japan has been developing electromagnetic (EM) railgun technology since at least 2015, and current plans call for its future 13DDX destroyers to be armed with advanced weapons and possibly even lasers ...

Instead of gunpowder, railgun technology uses electromagnetic energy to fire a projectile along a set of rails at ultra-high velocity. Instead of using gunpowder to shoot an artillery shell, railgun ...