Smart polymers with “life-like” properties: due to dynamic chemical bonds the micrometric 3D structures can grow eight-fold in just a few hours and harden. Scale: 20 micrometers (µm). Credit: Christoph Spiegel (Heidelberg University). Adapted from Y. Jia et. al, Adv. Funct. Mater. 2022, 2207826 (CC BY 4.0) Although just ...
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