Pilz da Cunha M, Kandail HS, den Toonder JMJ, Schenning APHJ.

Proc Natl Acad Sci U S A. 2020 Jul 28;117(30):17571-17577. doi: 10.1073/pnas.2004748117

An artificial aquatic polyp that wirelessly attracts, grasps, and releases objects.

A magnetic PDMS stem rotates to create a water flow. When a liquid droplet comes near, UV light is sent to induce folding of liquid cristal polymer arms.