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## Main Question or Discussion Point

Maxwell’s Equations are Lorentz invariant, so they are valid in inertial reference frames, right? However, the surface of Earth is not truly an inertial reference frame, yet the experiments that led to Maxwell’s equations were all done on the surface of Earth.

Does that not pose a small problem?

(a) How were scientists able to get away with this and still have an accurate theory? Is it because the earth is big enough compared to the experimental set ups that spacetime was close enough to being flat that the divergence in results was too small to notice?

(b) I take it there are general relativistic modifications to Maxwell’s Equations? Could anyone point me to a source that explains the differences between the flat spacetime Maxwell Equations and the GR versions?

Thanks!

Does that not pose a small problem?

(a) How were scientists able to get away with this and still have an accurate theory? Is it because the earth is big enough compared to the experimental set ups that spacetime was close enough to being flat that the divergence in results was too small to notice?

(b) I take it there are general relativistic modifications to Maxwell’s Equations? Could anyone point me to a source that explains the differences between the flat spacetime Maxwell Equations and the GR versions?

Thanks!