Discover Entropy and the Second Law

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This book is for anyone, regardless of age, who is curious about and wants to understand what entropy is and why it always increases. The reader is guided to discover Entropy and the Second Law by following simple experiments with marbles in cells. Errata. to order from Amazon

For Simulations: The actual calculations were done with Mathematica, and the corresponding procedures are described in the book.
In the initial configuration all the marbles are in one cell. Click on “Start” to start the simulation. For the Maxwell Boltzmann distribution, the final two-sided distribution is also shown.