This series of images shows the transformation of a 4D-printed hydrogel composite structure after its submersion in water. Credit: Wyss Institute at Harvard University
Materials science, mathematics combine to enable the printing of shapeshifting architectures that mimic the natural movements of plants. Inspired by natural structures like plants, which respond and change their form according to environmental stimuli, the team has unveiled 4D-printed hydrogel composite structures that change shape upon immersion in water.
Mimicking shape changes by plant organs eg tendrils, leaves, and flowers in response to environmental stimuli like humidity and/or temperature, the 4D-printed hydrogel composites developed by Lewis and her team are programmed to contain precise, localized swelling behavior...
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