Energy-beam weapons still missing from action

Tech News & Reviews - MSNBC.com: "ARLINGTON, Va. - For years, the U.S. military has explored a new kind of firepower that is instantaneous, precise and virtually inexhaustible: beams of electromagnetic energy. Directed-energy pulses can be throttled up or down depending on the situation, much like the phasers on Star Trek could be set to kill or merely stun."