Knots smaller than human hair make materials unusually tough

In the latest advance in nano- and micro-architected materials, engineers at Caltech, Pasadena, Calif., developed a new material made from numerous interconnected microscale knots that made the material far tougher than identically structured but unknotted materials.

What Do the Elements Sound Like?

See and hear how a recent graduate from Indiana University has converted the visible light given off by the elements into audio using a technique called data sonification, creating unique, complex sounds for each element in the periodic table.