Researchers have developed 3D-printed, multi-stable structures that can change colors in response to stress, with the goal of ...

This a robot can walk, without electronics, and only with the addition of a cartridge of compressed gas, right off the 3D-printer. It can also be printed in one go, from one material.

The goal was not only to design robots that could walk right off the printer, with the addition of an air power source but ...