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Author Topic: Flight  (Read 7346 times)

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AGelbert

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Re: Flight
« Reply #15 on: September 14, 2015, 10:54:31 pm »

Robot designers want to copy the hummingbird
by David Catchpoole

Engineers at Japan’s Chiba University who aim to build miniature flying robots want to copy bird wing flexibility and movement in their designs.1

They chose the hummingbird2 as their ‘wing model’ because its capacity to hover quite still while feeding on nectar means they can be studied more easily than other birds. “And they’re quite small,” explained researcher Masateru Maeda, who used high-speed cameras to capture the way that the hummingbird precisely bends and flexes its wings, adding, “Larger birds that cannot hover have to be studied in wind tunnels.”1

The researchers found that the movement of the primary flight feathers changes the shape and size of the wings to precisely control the lift they generate.

Because hummingbirds can hover quite still while feeding on nectar, you don’t need a wind tunnel to study them.

This research project is but one of many around the world where engineers are seeking to incorporate evident design features in nature into their own designs. Not just in the expanding field of micro air vehicles (MAVs)3,4,5,6,7 but also in a host of terrestrial and aquatic enterprises. E.g. ceiling-walking lizards and insects are inspiring scientists to make detachable super-adhesives, for applications such as window-cleaning robots;8,9 desert creatures are providing the inspiration for improvements to machines that have to traverse sandy terrain;10 fish and even single-celled organisms are inspiring better submarines.11,12

And just as no-one should dispute that the resulting robots and other machines have been intelligently designed, nor should anyone dispute that design in nature wasn’t ‘by chance’ either  (Romans 1:20). For more, see creation.com/biomimetics

http://creation.com/copy-hummingbird


Rob not the poor, because he is poor: neither oppress the afflicted in the gate:
For the Lord will plead their cause, and spoil the soul of those that spoiled them. Pr. 22:22-23

 

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