The Stalker unmanned aerial system is a 13.2-pound (6-kilogram) craft with a wingspan of 10 feet (3 meters) equipped with a camera and communication equipment.
Credit: Lockheed Martin
LaserMotive has demonstrated a power system that can keep Lockheed Martin's Stalker unmanned aerial vehicle going for more than 48 hours with laser light—but that's not the most amazing part.
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