J JACKHAMMER Platinum Member Oct 9, 1999 2,870 0 76 Oct 17, 2001 #1 I belive it is just wavelength, need a confirmation. Thnx.
S Shalmanese Platinum Member Sep 29, 2000 2,157 0 0 Oct 17, 2001 #3 maybe you should try in HT, they have all manner of science gurus there