Gravitation

by Charles W. Misner

§4.5. MAXWELL'S

mass-energy (Part

“Sakharov's analysis suggests that gravitation is to particle physics as elasticity is to chemical physics: merely a statistical measure of residual energies.” - Box 17.2 is worth returning to.

“Einstein's geometrodynamics, which looks simple, is interpreted by Sakharov as a correction term in particle physics, which is complicated. Is particle physics, which is complicated, destined some day in its turn to unravel into something simple-something far deeper and far simpler than geometry ("pregeometry"; Chapter 44)? “