Is Empty Space Really Empty?

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0:00 - Intro
2:20 - Whole Lotta Nothing
10:14 - Otto's Vacuum
18:03 - There's Always Something
22:07 - Vacuum Energy
27:29 - Is Space Really Empty?
36:24 - Gravitational Waves
39:40 - Thank You

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What’s floating around in space between all the stuff? Are there any truly empty places in the universe? What is the “fabric” of spacetime? I discuss these questions and more in today’s Ask a Spaceman!

Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE!