This is highly intriguing ! Particularly the thought of a chip, built up of maybe thousands of focusing triangles.
My rough logic came to a conclusion, that a piece of iron and a magnet ought to show a difference across multimeter probes. Something very simple, where it wasn't expected that there would be a reading, after all the 2 probes would be sat on the same piece of metal. As seen in the pic, 14.3mV....nothing much, but then look at what it is (lol) It's repeatable, always runs up to 14mv or so. 0mV if the magnet isn't there, it being a regular short. But, if the leads are secured with ferrous clip leads, it doesn't work. So, that's the caveat.
All this is, is a piece of hard drive neodymium magnet, stuck to the end of an iron Allan key. The 2 non ferrous multimeter probes are then placed at either end. If this is indeed doing something, then positive voltage is at the magnetic end, with the electrons moving to negative at the other end.
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ʎɐqǝ from pɹɐoqʎǝʞ a ʎnq ɹǝʌǝu
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