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Eye in the sky

Audiovisual: 29/07/2013 - 02:00
Flying machines are becoming smarter and more affordable: they are able to navigate in 3D and handle easy tasks by themselves. Will these drones rise to the challenge and help save lives among factory workers? In this edition of Futuris, we take a look at the quadrocopter – a device that travels in the air propelled by four rotors.