With YouTuber subscribers of over 137K, Cogley, also a mechatronics engineer, has a special interest in animatronics.

Researchers 3D print soft robots powered by air pressure. The setup from the University of Edinburgh can be assembled for less than £400.

The result: a little, palm-sized robot – kind of reminiscent of some Baymax-Wall-E mashup – printed out of a soft plastic and powered by air pressure. Once printed, its umbilical air tube detaches, ...