Advances in biomimicry – creating biological responses within non-biological substances – will enable synthetic materials to behave in ways that were typically only found in Nature. Light provides an especially effective tool for triggering life-like, dynamic responses within a range of materials. The problem, however, is that the applied light is typically dispersed throughout the sample and thus, it is difficult to localize the bio-inspired behavior to the desired, specific portions of the material.
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Source: Phys.org