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4D-printed robot self-assembles into a tube and rolls up hills

Added: 08.11.2021 1:24 | 176 views | 0 comments

Source: www.upcomingengineer.com
Source: www.upcomingengineer.com

A 3D-printed material rolls itself up into a tube, becoming a  “4D-printed” robot that travels up hills when exposed to heat

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