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THE PERSISTENT ETHER. “What is the ultimate constitution of the aether? Is it molecular or continuous?” Maxwell (1878) finished his article in the same way he began it, namely, by appealing to the necessity of the ether. Not only because the wave theory of light necessarily called for the existence of the medium, but also due to an horror vacui in interstellar space.” https://lnkd.in/eQifSHVB View in LinkedIn

TIME WITHOUT ORIGIN. “We also avoid an ugly feature of the traditional picture, that time somehow begins at an arbitrary point, begging the questions of what happened prior to then, and why the answer should be nothing. In the STH picture there is just as much time before the Big Bang as after, equally filled with events.” (STH = Symmetrical Time Hypothesis). https://lnkd.in/gDaxUYAS View in LinkedIn

VARIOUS TIMES. “The sum over an indefinite period is the t used in physics. The sum over a definite period is the time used in history, specific dates and clock times. Physics works perfectly well backwards in time in the antiuniverse, but any inhabitants think it moves forwards, away from the origin.” https://lnkd.in/gDaxUYAS View in LinkedIn

A ZERO TIME NOW. “In the STH picture, time is different. Present time is the only venue for events, and has, to a close approximation, zero length in the time dimension, so there is nowhere to travel in time. In order to discuss any significant events, we have to use the sum of a large number of Planck times along the time axis.” (STH = Symmetrical Time Hypothesis). https://lnkd.in/gDaxUYAS View in LinkedIn

TWO PLACES SIMULTANEOUSLY. “To the extent that part of a system's quantum state can escape definition by the effect of the reality of everything nearby in spacetime, then that part can remain in a superposition, in this STH view.” (STH = Symmetrical Time Hypothesis). https://lnkd.in/gDaxUYAS View in LinkedIn

THE PROBLEM OF NOW. “So the present is eternal, but constantly changing. Schrodinger's cat is far too large, too warm, and therefore too tied in as part of the present to escape being either dead or alive, but not both.” https://lnkd.in/gDaxUYAS View in LinkedIn

TWO UNIVERSES. “According to this speculation it would then seem logical that the wave function evolved in both directions in time away from this origin, in a burst of reality which is with us today. In the STH picture, the wave function of the universe collapsed only once, the instant of creation, now.” (STH = Symmetrical Time Hypothesis). https://lnkd.in/gDaxUYAS View in LinkedIn

Almost perfectly camouflaged Coprinaceae mushrooms in the forest litter. View in LinkedIn

SEISMIC SHIFTS. “Between 1905 and 1908 Einstein and Minkowski introduced fundamental changes in our ideas of time and space. In 1911 Rutherford introduced the greatest change in our idea of matter since the time of Democritus.” https://lnkd.in/eNwRzK5J View in LinkedIn

THE ETHER. “What is space made of? This is a question that has puzzled mankind for thousands of years. Before Einstein put forward special relativity, it was generally believed that space is filled with aether.” Extraordinary essay. https://lnkd.in/dATr5iE7 View in LinkedIn