Dartmouth scientists create 3D printed rotaxane smart material that can lift 15x its own weight

Dartmouth scientists create 3D printed rotaxane smart material that can lift 15x its own weight

The lab of Chenfeng Ke , Assistant Professor of Chemistry at Dartmouth College, has used 3D printing to create create a smart material capable of lifting 15 times its own weight. The material works by turning mechanically interlocked molecules called rotaxanes into nanoscale machines. The 3D printed smart material lifts an aluminum plate Rotaxanes, dumbbell-shaped molecules that can convert energy into movement, are sometimes referred to as “nanomachines” thanks to their ability to perform tasks in response to stimuli. Making them work like real machines, however, has proved tricky. Since groups of these rotaxanes can consist of billions of […]

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