Note that this quadcopter Raven, created for finding gas leaks, is distinct from the U.S. Army’s Raven fixed-wing drone, which finds enemies. Drones can do many things people can’t. They can fly, which is neat, and they can carry chemical sensors, identifying airborne particles with far greater fidelity than human noses. And drones, unlike human workers, don’t have children to send to college, taxes to pay, or retirements to plan […]
from Best Flying Drones http://ift.tt/2d3es9O
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