@Guy vandegrift: Waiting for comment
Student poster[edit source]
We need a student poster explaining how students can use primitive geometry (Euclidean without the proofs or constructions) to derive the factor of 1/2 in the electric field output. Basically its just a 30-60 right triangle.
The hard part is displaying how the remote photon is used to deduce the local photon's polarization along some axis before the local photon is measured.