Luminescence is the emission of light by a substance not resulting from heat. This "cold light" occurs when energy absorbed by an atom or molecule is re-emitted as photons, often through processes like Fluorescence or Phosphorescence.
Luminescence is the emission of light by a substance not resulting from heat. This "cold light" occurs when energy absorbed by an atom or molecule is re-emitted as photons, often through processes like Fluorescence or Phosphorescence.