“CRYSTALS are often anisotropic, and in some media (such as liquid crystals) it is possible to induce anisotrophy by applying an electric field.” Hence Liquid Crystal Displays (LCDs) that are everywhere today.
https://en.m.wikipedia.org/wiki/Crystal_optics
linkedin post 2022-06-29 05:12:48
Nigel Fleming
September 21, 2022