During the early stages of life, organs do not just appear in their final form. They take shape through a process of controlled bending, twisting, and folding. These changes help cells organize into ...

Combining materials with different swelling ratios creates structures that transform into tubes when exposed to water. (Courtesy: Yu Bin Lee) Materials that controllably change shape over time – often ...

(Nanowerk News) New hydrogel-based materials that can change shape in response to psychological stimuli, such as water, could be the next generation of materials used to bioengineer tissues and organs ...

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.