The Navy’s death ray weapon keeps burning through laser records, on its way to the ultimate goal of searing through 2,000 feet of steel per second.
The Free Electron Laser’s latest milestone involved running its electron injection system for eight hours at 500 kilovolts. That will help the laser become more powerful and more deadly, as Wired’s Danger Room reports.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.