July 16, 2012 at 2:02AM Lockheed Martin Stalker drone stays airborne 48 hours using laser power, all-seeing eye gets literal (video)
August 15, 2011 at 5:36AM Space Elevator conference gets theoretical, says lift won't not happen in 150 years
November 1, 2010 at 10:37PM LaserMotive's unnamed quadrocopter hovers for 12 solid hours using lasers alone
November 9, 2009 at 6:43AM LaserMotive finally wins NASA's Elevator:2010 Beam Power Challenge, climbs at 3.9 meters/second (video)
