In reply to Bob Cook's message of Thu, 3 Dec 2015 17:35:08 -0800: Hi, [snip] >My thought was that a strong magnetic field may disrupt the oscillating nature >of the light—disturbance—as it passes through the magnetic field, changing its >frequency and or intensity and direction of propagation. I would assume that >the magnetic field intensities would add at any instant of time and space.
If this were so, then one should see distortions of the background image when looking at powerful magnets. There are none AFAIK. Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/project.html