Recent content by John Hobson

The Minkowski relationship is an important aspect of special relativity. (c.t)^2 - x^2 = k For two points in spacetime, observers moving at different speeds observe different time and space differences between them. Neither is constant but the above relationship is. It is the...

When you fire a bullet or a space rocket from the earth, they retain the angular momentum of the surface of the earth. Would this be true for a neutrino, or a photon? If true for a neutrino, with mass, but not for a photon, with no rest mass, then the neutrino would follow a curved path and the...