Until I had a proper look at this, for some reason I thought you might be able to crank much higher temperature differentials out of the process. Still, I pref

Until I had a proper look at this, for some reason I thought you might be able to crank much higher temperature differentials out of the process. Still, I prefer finding out that I am dreaming and being wildly optimistic, than to never bother dreaming or being wildly optimistic in the first place.