As fans of Real Genius, we're as intrigued as you are by the concept of a flying laser the size (and shape) of a Boeing 747-400F, and have been tracking Boeing's test-flights of its Airborne Laser platform quite closely. The jet is designed to intercept and destroy missiles mid-flight, and a recent test showed that it can manage that first bit -- but it still hasn't achieved the second. In a test on August 10, it tracked and fired upon an in-flight target that was packing sensors; the sensors confirmed the hit and so the test was successful, but for some reason Boeing opted to not crank it up to the gig