Author(s): Adel Djellouli, Philippe Marmottant, Henda Djeridi, Catherine Quilliet, and Gwennou Coupier
A sphere that alternately collapses and re-inflates makes a simple device that can propel itself and could work on the microscale for medical purposes.
[Phys. Rev. Lett. 119, 224501] Published Mon Nov 27, 2017