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Dr. Dowker asks the question "Do we need a physics of passage?" in the introduction to her paper (provided below). I saw her on an episode of "Through The Wormhole" and became intrigued by a million trillion trillionth of a second, and frankly teacups "always breaking." It was quite comforting to think everyone I've ever loved and once lived is comfortably not only in the past: but in their own definite, separate place. They exist there - ever there, and in my vivid, loving memories.
Abstract
The view that the passage of time is physical finds expression in the classical sequential growth models of Rideout and Sorkin in which a discrete spacetime grows by the partially ordered accretion of new spacetime atoms.
Physics arXiv: The birth of spacetime atoms as the passage of time*
Professor Fay Dowker, Blackett Laboratory, Imperial College, London
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