Stories about: dolphins

Undulating Skin May Reduce Drag on Airplanes Chaotic fluid movements in gases and liquids often increase the friction and drag on vehicles such as aircrafts and submarines, but this could easily change by creating a skin imitating that of dolphins, which has the ability to modify its shape and decrease drag coefficient by up to 50 percent. Such a material cover...	18 April 2008 05:42 GMT

Consequences of The Black Sea Oil Spill Early this month, a storm raging in the waters of the Black Sea led to a catastrophic oil spill, as the oil tanker seeking refuge wrecked in the Kerch Strait, and leaked over 2,000 tons of petrol. As a result of the havoc, the WWF inspectors evaluating the situation came to the conclusion that it would take at least ...	30 November 2007 10:53 GMT

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Undulating Skin May Reduce Drag on Airplanes