February 28, 2013

FUEL SAVINGS WITH SHARK SKIN PLANES. “We’re used to thinking of aerodynamics as a matter of sleekness, but a shark’s skin suggests that the right kind of roughness is actually better. Sharks may be all clean lines and curves from afar, but their skin is composed of jagged scales covered with longitudinal ridges. Those tiny ridges are a big part of why sharks can so easily slice through the water.”