Image: Paper for airplanes: This paper (top), made from layers of tiny clay discs and a polymer (seen under the microscope at bottom), might be used as a strong, lightweight coating for buildings and airplanes. Credit: Andreas Walther From Technology Review:
A strong material inspired by abalone shells could be applied over large areas.
For decades, materials scientists have looked to naturally existing composites as inspiration for tough, lightweight materials that could lighten vehicles. Such materials could save on fuel costs, protect airplanes, and be used in engine turbines that run more efficiently. The material that lines abalone shells, called nacre, has been of particular interest: it's lightweight and strong, yet shatter-resistant. But mimicking the microscale structures responsible for its properties has been difficult, and hasn't resulted in materials that can be manufactured on a large scale.
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