ABSTRACT
And God said https://www.w3.org/1998/Math/MathML"> ∇ • E = ρ ϵ 0 = 4 π k ρ ∇ • B = 0 ∇ × E = − δ B δ B ∇ × B = J c 2 ϵ 0 + 1 c 2 δ E δ t https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780203464328/4d0b7783-e7b4-4115-8af2-7a8a3e9cea02/content/math263_1_B.tif" xmlns:xlink="https://www.w3.org/1999/xlink"/> and there was light.
