There are already "smart" windows that can be electronically switched between either letting sunlight through or blocking it. A new multi-layered one, however, can be set to several energy-saving ...

Engineering experts at the University of Toronto have created a multilayered fluidic system that could reduce energy from heating and cooling buildings by enhancing the intensity, wavelength, and ...

(Nanowerk News) 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 ...

Windows and mirrors embedded with liquid crystals can hide images that appear only when the right kind of light is shined on them. The technique, inspired by a 4000-year-old trick for building “magic ...

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 ...