The single spiral image is an off-angle scanning electron microscope image of a fabricated circular polarizer. A circular polarizing camera could help warfighters filter out unwanted light. Technology ...

Light corn syrup is used to rotate the plane of polarized light on the stage of an overhead projector. A polarizing filter allows only those photons with electric fields oscillating in a single plane ...

Computer monitors have become larger and larger over the decades, making it easier for passersby to read sensitive information or activities over one's shoulders. An additional layer of security (and ...