You must be thinking what i am asking "Are 3 Dimenshion Less..??" But what can i do my today's topic is about 4D Printing, so yes it is less. So what is this 4th Dimension?
The aim of so-called "4D printing" is to extend additive manufacturing to the dimension of time. The idea of 4D printing is to create 3D objects with the specific materials which can change their dimensions according to its outer environment long after it has been printed from the 3D printer for example, you can build a valve that shut down when a hot water hits it.
Researcher at the University of Wollongong, Australia have created a 3D printer compatible hydrogel that is mechanically tough and able to repeatedly change shape in response to water temperature. The scientists have demonstrated the technology by 3D printing an autonomous water valve, but the material could also be used to create soft robot, custom design sensor and self-assembling macrostructure. Example of 4D printing have included simple self-assembling bodies that fold together when baked, polymers that bend into shape in response to water, heat or pressure, and smart strands inspired by self-assembling nanostructure
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