3-D-printed structures ‘remember’ their shapes

5 months ago Comments Off on 3-D-printed structures ‘remember’ their shapes

Engineers are using light to print three-dimensional structures that ‘remember’ their original shapes. Even after being stretched, twisted, and bent at extreme angles, the structures — from small coils and multimaterial flowers, to an inch-tall replica of the Eiffel tower — sprang back to their original forms within seconds of being heated to a certain temperature ‘sweet spot.’
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