A small vortex on the wing makes the elegance of birds' flight

One mystery of birds' flight is solved! The elegance of birds' flight, their seemingly effortless aerial turns and the softness of their landing, have been envied by many people. From countless observations, it has been known ...

Study offers explanation for Titan dune puzzle

Titan, Saturn's largest moon, is a peculiar place. Unlike any other moon, it has a dense atmosphere. It has rivers and lakes made up of components of natural gas, such as ethane and methane. It also has windswept dunes that ...

Researchers build robotic bat wing (w/ video)

The strong, flapping flight of bats offers great possibilities for the design of small aircraft, among other applications. By building a robotic bat wing, Brown researchers have uncovered flight secrets of real bats: the ...

Flying fish glide as well as birds

How well do flying fish fly? This is the question that puzzled Haecheon Choi from Seoul National University, Korea. Measuring aerodynamic forces on dried darkedged-wing flying fish in a wind tunnel, Choi and Hyungmin Park ...

GE unveils experimental ecoROTR wind turbine

The hillsides around Tehachapi, a brown and blustery town on the edge of California's Mojave Desert, are bristling with a forest of wind turbines of all makes and sizes.

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