The Biggest Ideas in the Universe 2020 Video Series In Summer 2020, as the COVID-19 pandemic shut down the world, I had the idea of creating a series of informal videos explaining the main ideas of modern physics. I thought it would be useful to dig into the details just a bit, revealing the equations that really make physics go. The series ended up covering 24 topics, each with a followup Q&A video. Subsequently I have been turning this material into a series of three books. Space, Time, and...