# 13: Extension 10 - Cycles

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• 13.1: Carnot Cycle
The Carnot cycle has the greatest efficiency possible of an engine (although other cycles have the same efficiency) based on the assumption of the absence of incidental wasteful processes such as friction, and the assumption of no conduction of heat between different parts of the engine at different temperatures.
• 13.2: Entropy
In addition to learning that the efficiency of a Carnot engine depends only on the high and low temperatures, more interesting things can be derived through the exploration of this system.

13: Extension 10 - Cycles is shared under a not declared license and was authored, remixed, and/or curated by Andrea Allgood Carter.