52 minutes in - Paul Davies discusses this - on information into energy.
converting information into energy, which seemingly violates the second law of thermodynamics.
After a weak measurement, the wave function (blue) is partially projected into the left state. A
piston is then inserted and there is a pressure that pushes the piston rightward. This pressure is counteracted
by a pressure exerted on the right side of the piston by the “leftover” wave function getting pushed up the
potential (pictured in orange).
fascinating!
the
state of the demon becomes entangled with the particle as a result of
his measurement and subsequent action....Once the demon is
described as a part of the total system, one can see that the apparent failure
of the second law is actually a misconception.
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