I liked the one part "Infrared photovoltaic cells – which transform infrared light into electricity - are attracting much attention, as nearly half of the approximately 1000W/m2 of the intensity of sunlight is within the invisible infrared region. So it is possible to use the visible half for direct lighting while harvesting the invisible for generating electricity. "
Two for one! Sign advertisers can power their signs during the day by having the lighting self activate from the sun for their message and at the same time draw off power into a storage battery for later use. At least that is what I get out of this mumbo jumbo stuff until they can show me an actual working unit. I'm more of a hands on, picture person.
SOOOOOO many possibilties, it's mind boggling. I see why Steve is focusing on one thing, solar cells and only one thing. You could easily get side tracked and wind up succeeding in nothing trying to be successful at everything.
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