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JUMP DIRECTLY TO SLIDE The Arrow of Time in Physics Time in Physics Irreversibility Physics and Change Energy Flow Irreversibility A model system Micro and Macrostates Timescales An example: 1 atom An example: 4 atoms Macrostates A simulation The point Is this irreversibility? A realistic example Prediction Order and Disorder Kelvin and Huxley Entropy Arrow of time... Nature of this 'law' 2nd law violations Where does the arrow point? A dull future: heat death Wait a minute! Accounting Fraud Correcting the Books How does this work? A cosmic example Continuing down The Earth What about life? The arrow of time What to take away?        synchronize video with current slide