Computer animation may be a lot better than it used to be, but it’s been around for quite a while. This is an example of one of the older bits, dating way back to 1965, and it features some 4D shapes.

The concept of 4D printing isn't a new idea, but processes that use new types of environmental stimuli keep on appearing. 4D printing is usually defined as 3D printing with materials that change shape ...

With 4D printing, the objects can change shape or properties using external stimuli such as temperature, light, pH, magnetic field, electricity, and moisture. Additionally, the changes in shape or ...

The first time I wrote about MIT's Skylar Tibbits and what he calls 4D printing, I refused to use that term. It seemed pretentious and, well, dishonest. Self-assembly meets 3D printing was more ...