waddingt@umn-cs.UUCP (07/05/85)
On magnetism and light; History of, I just tryed to find my notes on this but ....... Well from memory: Faraday was the first to show a relationship between magnetism and light. In his experiment he showed that a magnetic field can rotate a beam of polarized light. The work was done some time around the 1840's after his work on magnetic induction. That's all I can contribute from memory. Perhaps someone can give an explanation for the effect. Paul Fink Cosmic Ray Lab U of Minnesota inhp4!unm-cs!umn-phy
mcewan@uiucdcs.Uiuc.ARPA (07/15/85)
>The speed of light is a constant in vacuum at given gravitational field density. >In general :-) it speeds up infinitely in a void where no matter exists >(gets lost). Or another way of looking at it is that the photon wave length >goes to infinity as the background gravity field goes to zero. This is meaningless, since a photon has mass, and thus generates a gravity field. Scott McEwan {ihnp4,pur-ee}!uiucdcs!mcewan "They're clumsy. They're out of shape. They're dead."