from the want-one-for-the-block-committee dept.
carstene writes "LaserMotive, winners of the 2009 NASA power beaming contest, has a new invention, a virtual comm or surveillance tower. It's a quadcotper that can run indefinitely, powered by laser beam over a fiber optic cable. This allows the "tower" to reach great heights and avoids most laser safety issues."
Gosh that takes me back... or is it forward? That's the trouble with
time travel, you never can tell."
-- Doctor Who, "Androids of Tara"