A near-future where the skies are filled with drones carrying out deliveries and surveillance might be hard to imagine, but it is something aerospace experts are already giving careful consideration to. Improving the efficiency of these vehicles, even at the margins, could mean huge energy savings and more reliable services across the board. To this end, Australian researchers have developed a fixed-wing aircraft that uses natural updrafts to climb higher, inspired by the ability of the kestrel falcon to hover while searching for prey on the ground.
.. Continue Reading Hovering kestrel inspires drone that gains altitude without using powerSection: Drones
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from Gizmag Emerging Technology Magazine http://ift.tt/1NALIMw
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