Attack at the Speed of Light - Popular Science

Attack at the Speed of Light - Popular Science: "A solid-state laser like his could now make it to a war zone in part because the bar for energy weapons has been lowered. Blasting an ICBM from 100 miles away requires megawatts of light. Solid-state lasers might never get that powerful. But heating up a mortar from a mile away until the explosives inside detonate—that takes only 100 kilowatts."