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In 3D gel shape transformation
New technology

In 3D gel shape transformation

Howon Lee, co-author of the study, said that 4D printing involves printing 3D objects with hydrogels (water-filled gels) that change over time as the temperature changes.

December 12, 2018
Soft robots move like solid
New technology

Soft robots move like solid

Scientists at Harvard University create a soft, snake-like robot that can crawl, twist or straighten, promising more useful applications, Xinhua reported on Feb. 22.

December 12, 2018