In 1873 , Maxwell describes an electromagnetic ether but the Ampere - Faraday massless electromagnetic field conflicts with Huygens - Fresnel ether that is composed of matter and Maxwell 's electromagnetic theory of light is based on Ampere and Faraday induction experiments that are not optical .
In 1873 , Maxwell describes an electromagnetic ether but the Ampere - Faraday massless electromagnetic field conflicts with Huygens - Fresnel ether that is composed of matter . 
 In addition , Maxwell 's electromagnetic theory of light is based on Ampere and Faraday induction experiments that are not optical .