Researchers have used liquid crystals to create a flat magic window -- a transparent device that produces a hidden image when light shines on it. The process for creating transparent liquid crystal ...

The ability to make both transparent and mirrored surfaces switch between their natural optical behavior and the display of some other form of image has been a fixture in fiction and a challenge in ...

The future of immersive video chat might not require a headset. Google showed off Project Starline, which uses a combination of specialized hardware and computer vision technology to create a “magic ...

WASHINGTON — For the first time, researchers have used liquid crystals to create a flat magic window — a transparent device that produces a hidden image when light shines on it. The technology ...