NASA tests aircraft wing coatings that slough bug guts

Bug guts create drag, and drag increases fuel consumption. But aircraft of the future could be made more fuel-efficient with non-stick coatings NASA recently tested on Boeing's ecoDemonstrator 757.

An airflow model to reduce time on the tarmac

Plans for summer holidays are already taking shape. But before jetting off for some fun in the sun, many travellers will have to cope with long delays on the airport runway.

Researchers test new ideas to enhance efficiency of wind turbines

One issue confronting the efficiency of wind as a promising renewable energy source is the wind itself—specifically, its changeability. While the aerodynamic performance of a wind turbine is best under steady wind flow, ...

Understanding river alteration via shifting flow regime

Researchers at the Korea Institute of Civil Engineering and Building Technology (KICT) published their findings on the drastic short-term alterations in rivers accompanied by shifts in vegetation and geomorphology drawn from ...

NASA's green aviation research throttles up into second gear

NASA has selected eight large-scale integrated technology demonstrations to advance aircraft concepts and technologies that will reduce the impact of aviation on the environment over the next 30 years, research efforts that ...

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