作者: Donald Claus

Photonic crystals are periodically structured electromagnetic media, possessing photonic band gaps, ie., ranges of frequency in which light cannot propagate through the structure. In this publication …

A shape memory alloy (SMA, also known as a smart metal, memory alloy, or muscle wire) is an alloy that "remembers" its shape, and can be returned to that shape after being deformed, by appl …