"But the article says that Monsieur Bell's selenium cells had a resistance of one hundred to three hundred ohms!" Piair La Corrian pointed imperiously at a pile of papers on his desk. "That's a variation of two hundred watts. With one positive and the next negative, four hundred watts. If we run four mirrors on the same turntable with each mirror hitting its own cell so we have four cells running in parallel, that's eight hundred watts positive on the up tick to eight hundred watts negative on the down tick."
"Fine. Build the silly thing. But it won't work." Oliver De Champaign had actually been to Grantville and seen the difficulty they were having in building the Voice of Luther radio station.