I said, suppose you take a light - I was thinking of just light bulbs because, in those days, lasers were not yet really there - and sent a light pulse between two masses. Then you do the same when… — Rainer Weiss Copy Share Image
“The parameter we hold responsible for the ability or inability of a particle to move with a velocity other than that of light is its mass. When the mass is zero, such as that of a real photon, the particle… — Henning Genz Copy Share Image