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REVERSED TIME. “In the case of time we apparently have no way in current theory to meet Weyl's definition, since reversible mathematics produces an irreversible flow of events.” https://lnkd.in/gDaxUYAS View in LinkedIn

SYMMETRY DEFINITION. “Another way to express this is to use R.P. Feynman's interpretation of Weyl's definition of symmetry as follows: a thing is symmetrical if one can subject it to a certain operation and it appears exactly the same after the operation.” https://lnkd.in/gDaxUYAS View in LinkedIn

LACKING SYMMETRY. “On the other hand, no processes that in any way resemble the reverse of the existing laws can find and exactly manipulate those unique (but indistinguishable!) particles needed to exactly reverse the history of their own movements. There is no symmetry here.” https://lnkd.in/gDaxUYAS View in LinkedIn

TIME REVERSAL PROBLEM. “It should be very clear from the above that reversing the laws of physics and the mechanisms behind chemistry and biology cannot produce a reversed copy of history.” https://lnkd.in/gDaxUYAS View in LinkedIn

Oysters are not a favorite in Catalonia but 50 kms over the border into France, and they are a delicacy: the strange thin line separating cultures. View in LinkedIn

UNEXPECTED GEOMETRIC MANIFOLDS in nature and architecture describing curved surfaces. A fantastic lecture." " https://lnkd.in/dKYkfeni View in LinkedIn

TIME REVERSAL ANALOGY. “Or imagine that a glass is dropped to the floor, it breaks, and then the fragments reassemble and leap up from the floor back into the hand. If gravity threw the glass up, why didn't the earth fly apart into space when gravity reversed?” https://lnkd.in/gDaxUYAS View in LinkedIn

TIME REVERSAL ANALOGY. “What reversal of known physical law operating upon indistinguishable particles will accomplish that, when those laws accomplished the forward version, especially the evolution of his ancestors by reproductive amplification of random mutations?” https://lnkd.in/gDaxUYAS View in LinkedIn

TIME REVERSAL ANALOGY. “A while after the smoke clears, time reverses and the soldier pops back into existence from a cloud of hot gas, steel fragments and shredded biology, runs backwards blindly through the minefield back to the womb.” https://lnkd.in/gDaxUYAS View in LinkedIn

INSUFFICIENT. “Even if we could accept time running backwards, this is less than the symmetry of the space dimensions, which extend on all sides of the origin.” https://lnkd.in/gDaxUYAS View in LinkedIn