Linked from
The 11 pages that link to Faraday effect, each with the reason it gives.
Michael FaradayBroader topic: Faraday discovered this link between magnetism and light in 1845.
PolarizationRelated: It shows that magnetic fields can alter polarization during propagation.
PolarimetryRelated: Its measured rotation can indicate magnetic fields or material properties.
Methods in magnetismRelated: Optical field sensors use this rotation to measure magnetic fields.