In reply to  Jones Beene's message of Mon, 10 Jul 2017 21:06:38 -0700:

What they have constructed is essentially a magnetic "diode" between the plates,
which allows current flow in one direction only. We have discussed the use of
diodes on this forum before.

>In the disclosed Maxwell's demon type of experiment from 2012, heat from 
>ambient air was converted completely into electric energy, using a 
>static magnetic field without producing any other effect.
>The phenomenon proves clearly that the second law of thermodynamics is 
>not universally valid, even though the output was tiny.
>"Realization of Maxwell’s Hypothesis" A heat-electric conversion in 
>contradiction to Kelvin’s statement  by  Xinyong Fu, Zitao Fu Shanghai 
>Jiao Tong University

Robin van Spaandonk

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