For most of the last half century, new paradigms for a final theory have consumed the physics community. In the last quarter of a century, nothing of consequence has resulted. You won't find notions of 'grand unification' here. There is too much to be done, and re-done correctly, before that.This book tries to recapture Einstein's initial epiphany of space and time as relations unique to each observer rather than some underlying fabric of an absolute...