The 4D material changes shape in response to water. The grey side of the material in the image absorbs water faster than the blue side, causing it to bend into a "C" shape. Disclaimer: AAAS and ...
Researchers at University of Galway have developed a way of bioprinting tissues that change shape as a result of ...
Similar to the pinecone that closes its scales when wet, 4D materials are designed to autonomously change shape in response to a stimulus in their environment, such as humidity, temperature, light, ...
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