you make a certain kind of molecule that combines particular kinds of atoms, you can heat and chill them such that the colder atom in the molecule gives its heat to the hotter one, which breaks entropy and is like a little instance of time going backward. Also, if you do the half-silvered mirror experiment in a certain way, it’s like the two-slit experiment, in that you can tweak it to get either wave results or particle results, but in this version of it, if you tweak the device after the photon has gone through the mirror, it retroactively changes what happened at the mirror. So it’s like
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