Drones have been suggested as a solution for everything from package delivery to search and rescue. The problem, however, is energy. A battery-powered drone can’t stay in the air for long enough to do everything we might ask of it, but a company called Intelligent Energy has created a light-weight hydrogen fuel cell that can keep a drone airborne for as long as two hours. A hydrogen fuel cell like […]
from Best Flying Drones http://ift.tt/1RJEASe
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