Click on a slide to go to that topic.
Title Slide 00:00:00 ...Something Rather than Nothing? 00:01:25 The Vacuum in Antiquity 00:02:50 The debate on the nature of space.. 00:05:28 Summary of the Vacuum in Classical Mechanics 00:07:09 Electromagnetic Waves and the Ether 00:08:23 Searching for the Ether 00:09:23 The Michelson-Morley Experiment (1887) 00:12:14 Despite this inconvenient result... 00:14:19 The Special Theory of Relativity (1905) 00:16:00 The General Theory of Relativity (1916) 00:17:21 Demonstration 00:18:48 General Relativity and the Universe 00:20:58 00:22:54 1929: The Universe is Expanding 00:23:02 Summary of the Vacuum in Relativity 00:24:29 The Quantum Leap 00:25:32 00:25:55 Quantum Uncertainty 00:27:15 DEMO 00:28:40 Quantum Uncertainty 00:30:27 Implications for Particles 00:32:05 The Quantum Oscillator 00:32:59 Quantum Fields 00:34:50 00:35:51 Summary of the Quantum Vacuum 00:37:54 A Force from Nothing: the Casimir Effect 00:38:57 00:39:52 The Energy of Nothing: An Embarrassing Result 00:43:39 Universe is Accelerating 00:46:35 Type Ia Supernovae: 00:48:12 Survey of Many Type 1a 00:50:22 Dark Energy 00:51:22 Conclusion: Much Ado about Nothing 00:52:53 Thanks 00:54:30
