A rainbow may appear as though it is a half circle, with the middle showcasing its colors across the blue landscape of the ...

Rice University researchers used a focused electron beam to pattern device functions with submicron precision directly into ...

When you shine a flashlight into a glass of water, the beam bends. That simple observation, familiar since ancient times, ...

Abstract: The expressions and properties of the critical angles of nonuniform plane waves for determining the correct refraction angle at the infinite planar interface of two linear, isotropic, and ...