Curves in spacetime violate Heisenberg’s uncertainty principle — phys.org
(a) A closed timelike curve, in which p2 is a chronology-respecting system, and p1 is a time-traveling system that can jump from point tA to the past point tB through a spacetime wormhole, has the...
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Weak measurement: as light goes through a birefringent crystal the horizontally and vertically polarized components of light spread out in space, but an overlap between the two components remains when...
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