Light is an electromagnetic wave, as well as radio waves, light waves, so carriers can take a lead in news communication, as well as the use of radio and television waves transmit sound, as was mentioned.
Light is electromagnetic radiation, like radio waves. So may the light wave vectors, private communication such as the use of radio frequency spectrum and satellite-borne noise of the foregoing. Why not use the light from hot objects because light is a wave carrier frequency and phase, many of these uncertainties.
The light is electromagnetic radiation, as well as radio waves. So may use a light is a wave carrier information in communication, as well as the use of radio and television as carriers of noise mentioned.