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The Arrow of Time in Physics 00:00:00 Time in Physics 00:00:15 Irreversibility 00:02:32 Physics and Change 00:05:26 Energy Flow 00:07:36 Irreversibility 00:15:25 A model system 00:16:24 Micro and Macrostates 00:17:25 Timescales 00:18:21 An example: 1 atom 00:19:28 An example: 4 atoms 00:20:09 Macrostates 00:21:28 A simulation 00:22:02 The point 00:23:57 Is this irreversibility? 00:25:08 A realistic example 00:26:30 Prediction 00:27:49 Order and Disorder 00:29:02 Kelvin and Huxley 00:30:43 Entropy 00:32:56 Arrow of time... 00:34:25 Nature of this 'law' 00:35:04 2nd law violations 00:35:32 Where does the arrow point? 00:36:09 A dull future: heat death 00:36:47 Wait a minute! 00:37:53 Accounting Fraud 00:38:42 Correcting the Books 00:39:07 How does this work? 00:42:48 A cosmic example 00:43:24 Continuing down 00:44:30 The Earth 00:44:58 What about life? 00:45:57 The arrow of time 00:47:03 What to take away? 00:48:22
