Announcing our new 12-part series: A dozen Lessons on Physics and Reality

Announcing our new 12-part series: A dozen Lessons on Physics and Reality

From The Origins Podcast with Lawrence Krauss by Lawrence M. Krauss

November 23, 2025 · 1h 4m

About this episode

Lawrence Krauss introduces a new 12-part series on physics and reality, starting with a lecture on the universe's scale and perspective.

I am thrilled to introduce a significant new segment for the Origins Podcast. We are producing a fully fledged 12-part series titled “A Dozen Lessons on Physics and Reality.” Over the coming months, we will release these lectures to provide a comprehensive guide to how physicists think about the world. I’m particularly excited to share the wonder and insights that are often lost in standard textbook descriptions, while giving more detail than one might obtain in a standard 1 hour physics lecture. These will be based on lectures I have given to non-scientists at institutions I have taught, ranging from Yale University to The New College of Humanities in London. We begin with Lecture 1: A Tour of the Universe. To understand the cosmos, we must abandon the linear scales of human experience. In this opening lecture, I utilize the mathematical tool of “powers of ten” to map the true playing field of physics. This tour is about perspective. It reveals how the universe operates on scales of space and time that are vastly different from our daily lives, ranging from the subatomic scales to the cosmic microwave background. It is a journey that highlights our cosmic insignificance while…

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