Laser diffraction is one of the most widely used techniques due to its broad dynamic range and ease of use.

organic light-emitting diode (OLED ... Finally, three future trends are highlighted, including high dynamic range, virtual reality/augmented reality and smart displays with versatile functions.

Experts say a "concerning" number of fireflies are threatened with extinction. Above, fireflies light up the sky in upstate New York. Raphaël De Cock was 9 years old the day he caught his first ...

The colors of the sunset result from a phenomenon called scattering. Molecules and small particles in the atmosphere change the direction of light rays, causing them to scatter. Scattering affects ...