In reply to Jones Beene's message of Mon, 10 Jul 2017 21:06:38 -0700: Hi, 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 Maxwells Hypothesis" A heat-electric conversion in >contradiction to Kelvins statement by Xinyong Fu, Zitao Fu Shanghai >Jiao Tong University > >https://arxiv.org/abs/physics/0311104 Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/project.html