TIDBIT: REVERSING THE ARROW OF TIME
Apropos of today's main blog, consider the following article, shared by J.D. (with our gratitude)
Note especially these statements:
That has important implications for our understanding of time and its relationship to entanglement and entropy. “Our results on the thermodynamic arrow of time might also have stimulating consequences on the cosmological arrow of time,” say Micadei and co, hinting that similar correlations may be responsible for the universe’s initial conditions.
A significant point in this work is that the phenomenon is not limited to microscopic systems. Indeed, these NMR experiments work on a macro scale in which huge numbers of molecules contribute to the observed signal. So the result may also allow a new generation of devices that drive heat from cold regions to hot ones.
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