Thursday, December 22, 2011

Avoid bird collisions

Avoid bird collisionshttp://go635254.s3.amazonaws.com/cleantechnica/files/2009/07/birdwindow.jpg
Australian scientists have discovered how the birds to avoid the collision or objects encountered each other, whereupon maneuvers in flight.

Barta said Bagavatula from the University of Queensland birds that fly in peace, even in crowded places, is the result of its ability to identify areas of the budget between the speeds of movement of the image that test them eyes, or what is known as optical flow.

Bagavatula added that "Our results show for the first time that birds adjust their speed and determine the narrow spaces safely through the balance between the speed of the image you test them eyes."

It is noteworthy that during the study, the researchers had to train a parrot birds to fly in the path length of 7 meters and has developed a set of horizontal and vertical strips, were filmed flying.

It turns out that birds flew in the middle of the corridor when the visual cues with access to balanced, ie, the strips on the walls was similar on both sides of the corridor, while it was close to a wall when the signal is balanced, ie when he was on a walls strips horizontal and the other wall it vertical strips, flying birds more quickly in the corridor where there are horizontal strips, not vertical, indicating the capacity to regulate the speed of its launch.

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