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Lockheed Martin Stalker drone stays airborne 48 hours using laser power, all-seeing eye gets literal (video)

Aerial drone designers have been pushing hard to get devices that can stay airborne for days. After all, what's the point of having an observer that routinely lets its guard down? Lockheed Martin must have this question forever etched in its collective mind, as it just completed tests of a modified Stalker drone that was continually charged by laser power beamed from a ground-based source. The LaserMotive-built test was admittedly conducted in a wind tunnel, not a wind-swept battlefield, but it kept the drone aloft for more than 48...

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Published By: Engadget - Monday, 16 July, 2012