Light is light—pure, but not simple. No one is exactly sure how to describe it. A wave? A particle? Yes, the scientists say. Both. It is a measure of light's importance in our daily lives that ...

Light was long considered to be a wave, exhibiting the phenomenon of interference in ... When Thomson discovered electrons, ...

Light is a type of electromagnetic radiation that can be detected by the eye. It travels as a transverse wave. Unlike a sound waves, light waves do not need a medium to pass through, they can ...

The universe tells us its story mainly through light and other wavelengths of electromagnetic radiation. We learn about the planets, stars, and galaxies by their light—visible light, and also ...

In recent years, physicists have been trying to better understand the behavior of individual quantum particles as they move ...

Traditional microscopy often relies on labeling samples with dyes, but this process is costly and time-consuming. To overcome ...

Light was long considered to be a wave, exhibiting the phenomenon of interference ... When Thomson discovered electrons, it was proved that electric flux is quantized. Magnetic flux quantization ...