Nature is full of exemplary species that have evolved personalized sensors and actuating systems that interface with and adapt to the world around them. Among them. cephalopods are unique. They employ fast-sensing systems that trigger structural changes to impart color changes through biochemical and optoelectronic controls. https://www.bekindtopets.com/deal-time-Original-U-S-WWII-193rd-Glider-Infantry-Regiment-Named-Uniforms-with-Garrison-Cap-Jump-Boots-Photos-Documents-and-Mor-limited-save/