N'afọ 1873, Maxwell kọwara ether electromagnetic mana Ampere - Faraday massless electromagnetic field na Huygens - Fresnel ether nke mejupụtara ihe.
N'ezie, ụdị okwu dị mgbagwoju anya nke ahịrịokwu ahụ bụ "N'afọ 1873, Maxwell na-akọwa ether electromagnetic mana Ampere - Faraday massless electromagnetic field na-emegide Huygens - Fresnel ether nke mejupụtara ihe na Maxwell's electromagnetic theory of light na-adabere na nnwale Ampere na Faraday induction nke na-abụghị optical. "