The US Navy will astound the world tomorrow by test-firing a radical new weapon system at an unprecedented power level. The new piece of war-tech on trial is that old sci-fi favourite, an electromagnetic railgun. According to the Office of Naval Research, which is in charge of the project, the electric cannon will deliver over ten megajoules of energy in one shot. The ONR say this is "a power level never before achieved" by a railgun, and already represents significantly more poke than a normal five-inch naval gun can put behind its shells. The designers hope in future to get...
