If anyone has two circular polarizers I'd be grateful if you would perform a test. Put one over the other and rotate to see if the field becomes completely dark when they are crossed. And ... if you also have an ordinary polarizer try the same experiment using one normal and one circular polarizer.
Don _______________ Dr E D F Williams http://personal.inet.fi/cool/don.williams Author's Web Site and Photo Gallery Updated: July 31, 2003
