https://www.sciencedaily.com/releases/2020/06/200609130010.htm

Rafael Verduzco and graduate student Morgan Barnes of Rice's Brown School of Engineering developed a method to print objects that can be manipulated to take on alternate forms when exposed to changes in temperature, electric current or stress.

The researchers think of this as reactive 4D printing. Their work appears in the American Chemical Society journal ACS Applied Materials and Interfaces.