Light pillars are a unique weather phenomenon that occurs on cold, calm nights in the dead of winter. They are very similar ...

Light can be sculpted into countless shapes. Yet building optical devices that can simultaneously manipulate many different ...

In New York City's Times Square, revelers celebrated with famed New Years Eve ball drop From Sydney to Paris to New York City, crowds rang in the new year with exuberant celebrations filled with ...

Abstract: Refractive index finding using multiple light reflections with modified Sagnac interferometer is proposed here. The thickness of the material and fringes pattern are fundamental parameters ...

Abstract: Eye gaze estimation rapidly becomes the required technology in virtual reality environments. The geometrical model base method is commonly used by equipping infrared (IR) light sources and ...