The US Navy's free-electron laser has broken a few records already, but it's just plowed through another fairly big one -- one that its creators say could put it on the fast track to actually being used to shoot down missiles. That particular record involved running the system for eight hours at 500 kilovolts, which is a level they've been trying to achieve for the past six years and, according to the researchers, "definitely shortens" the time frame for getting to their ultimate goal of 100 kilowatts. What's more, while this particular test didn't actually involve blowing anything up, the Navy seems confident that
