(Phys.org)—Ever since the Wright brothers, engineers have been working to develop bigger and better flying machines that maximize lift while minimizing drag.
Dec 13, 2012
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Interest in developing alternative energy sources is driving the consideration of a promising technology that uses underwater turbines to convert ocean tidal flow energy into electricity.
Nov 28, 2010
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A milestone in the history of renewable energy occurred in the year 2008 when more new wind-turbine power generation capacity was added in the U.S. than new coal-fired power generation. The costs of producing power with wind ...
Nov 22, 2010
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New research shows some bees brace themselves against wind and turbulence by extending their sturdy hind legs while flying. But this approach comes at a steep cost, increasing aerodynamic drag and the power ...
Jun 02, 2009
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