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Pie in sky and/or pipe dream and engineering madhouse, but thermally linking the cold side cylinder to a heat sink, like a water pool, would increase the efficiency of the heat engine. The water pool could the serve as the heat source for a heat pump. Get a bonus use of the heat, and a cooling ...

DNA from scat collection! We've come a long way from fecal flotation to find parasites. First point--PCR has changed biology. Second point--we're not the only predator around, even if we've eliminated most of the competition. Third point--Sam Wilson should be on a survival show--Survivor: Ant...