Liquid crystals are arbitrarily 2-D patterned with nonpolarized light by a new dye-free photoalignment method. This material relates to a paper that appeared in the 10 Nov. 2017, issue of Science ...

Light is well known to exhibit both wave-like and particle-like properties, as imaged here in this 2015 photograph. What's less well appreciated is that matter particles also exhibit those wave-like ...