Laser-based 3D printing can already be used today to produce any structure on a micrometer scale. However, for many applications, especially in biomedicine, it would be advantageous if the printed objects were not rigid but switchable. Researchers have now been able to print microstructures that change shape under the influence of temperature or light.
from Latest Science News -- ScienceDaily http://bit.ly/2DGKtQT
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