When the word “shell” is mentioned, most people think of the seashell variety, although in this gun-control-conscious age, shell, as in ammunition, is the more common usage. With over 100,000 species ...

Engineers looking to nature for inspiration have long assumed that layered structures like those found in mollusk shells enhance a material's toughness, but a study shows that's not always the case.

The Princeton University course on German thin-shell structures in fall 2012 that resulted in the exhibition "Evolution of German Shells: Efficiency in Form" was co-taught by Sigrid Adriaenssens and ...