The control of small structures and fast modes needs not only more accurate values in the commonly used dimensions (, u, T, P), but also, in fact more essentially, the controls from more dimensions.

The Sonic RAREFACTION WAVE GUN (RAVEN) is a Projectile Launch Method that achieves: – Unprecedented Reductions in Recoil Impulse. It can shoot faster, cooler and can be lighter than a current gun ...

Inspired by the paper folding art of origami, a University of Washington team created a paper model of a metamaterial that uses 'folding creases' to soften impact forces and instead promote forces ...