Challenging centuries-old assumptions about thermodynamics, a new study in published in Physical Review Letters has shown that it is theoretically possible to design a heat engine that achieves maximum power output while approaching Carnot efficiency. Challenging centuries-old assumptions about thermodynamics, a new study in published in Physical Review Letters has shown that it is theoretically possible to design a heat engine that achieves maximum power output while approaching Carnot efficiency. General Physics Condensed Matter Phys.org – latest science and technology news stories