Frederick Sparber wrote: > Harry Veeder wrote. >> >> >> Eugene Mallove's perspective: >> >> The Mysteries of Myths of Heat: A Brief History of Hot and Cold >> Published in Issue #37, May/June 2001 >> >> http://www.infinite-energy.com/iemagazine/issue37/mysteries.html >> > Interesting reading Harry. > But you can bring a bucket of minus 77 K cold Tc from a > comet in space and let it do work in compliance with the > Carnot efficiency by letting it warm to 300 K Th > ( room temperature) using an "engine". > > Carnot efficiency = .1 - Tc/Th or delta T/Th. = 74.33 % > > Fred >
This is correct if you are only considering the work produced after you have the ice. However, will more work be produced than used in retrieving the ice from the comet? The second law says no. Harry
