A gravitational field that has been quantized into discrete segments of spacetime in such a way that we can consider each point within this spacetime separately.
Physicist 1: I am studying quantum gravity.
Physicist 2: That's what you think! It's actually been a program on my computer all along!
Physicist 2: That's what you think! It's actually been a program on my computer all along!
by Magnus Voidus October 18, 2010