The demo day videos are way too long. If you are interested, watch the videos on the BrLP videos page of the Suncell in operation. Too much power is a problem, if you scroll down you will see what it did to the molybdenum-lined cell. Molybdenum has a melting point of 2,623°C. The tungsten electrodes also melted (melting point 3414°C) and have now been replaced with intersecting jets of molten silver. Actually they vaporized. There's still more engineering to do.
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