You have a lense in the camera = glass media
You have air between the camera lense = air media


With a camera these two media are almost unavoidable


Now you may be starting to realize the problem these experiments are notoriously hard to setup and interpret you have to look at the setup very very very carefully before making outrageous claims.


This is why you need understanding and discussion and why scientists publish papers so others can check claims.


What I was really impressed with was Paul as a layman could actually see the problem introduced by the media.


I warned you any media present changes everything and I could predict what was going to happen and apparently so can Paul smile

I believe in "Evil, Bad, Ungodly fantasy science and maths", so I am undoubtedly wrong to you.