On a Saturday afternoon in the fall of 2021, Silvio Decurtins was leafing through a paper with a title that could have been pulled from a comic book for mathematically inclined teens: “Plato’s Cube ...

Optics meets 2D materials: a simple probe light beam exiting an optical moiré lattice can be chopped up into diffuse streaks or confined into a single bright spot, depending on the twist angle in the ...

Scientists have developed a new dye-free photoalignment method that enables 2-D patterns of liquid crystals in one step by guiding nonpolarized light temporally and spatially on the ...