Contact: Evan Lerner
University of Pennsylvania
Caption: By changing the geometry at the bottom layer of a stack of liquid crystals, the researchers were able to get much finer control of the features in the top layer than has previously been possible.
Credit: Felice Macera, Daniel Beller, Apiradee Honglawan, Simon Čopar
Usage Restrictions: With credit.
Related news release: Penn researchers show new level of control over liquid crystals