that does not use paddle wheels in water to <b>convert</b>
mechanical work to heat that does the job better, with less
expenditure of work for the same heat gained? The answer is yes.
In fact, there are numerous patents on record to accomplish this.
One uses rotating parallel disks, not unlike the design of
Tesla's turbine, to heat water with less than half the mechanical
expenditure.</font></p>

<p><font size="3">Once again, we have entered a new scientific
era where the exact equivalence between 