Can light itself cast a shadow? It may sound like a philosophical riddle, but researchers have found that under certain ...

Close your eyes and picture the iconic "bullet time" scene from "The Matrix"—the one where Neo, played by Keanu Reeves, ...

Caltech's new optical devices, evolved by algorithms and crafted via precise 3D printing, offer advanced light-manipulation for applications like augmented reality and cameras. Researchers at Caltech ...