Pedro Vieira is a faculty member at Perimeter Institute, where he holds the Clay Riddell Paul Dirac Chair in Theoretical Physics. In this episode, he tells Lauren and Colin about his work on a kind of uber-theory that encompasses all quantum field theories, as well as what separates the easy and hard problems in this field. It’s a complicated topic to be sure, but Vieira is a master of explaining complex topics with relatable examples and anecdotes – something Lauren discovered as a student when she took a course he taught. “Pedro takes some of those same concepts from graduate courses, but he paints some amazing non-technical pictures for us,” says Lauren. “No mathematical background required!” He explains why the universe might be a hologram and why, from a theoretical physics perspective, a messy bedroom can be a good thing. View the episode transcript here. We are looking for feedback about our audience’s preferences as we chart the path forward. Please take a few minutes and fill out our podcast listener survey. Conversations at the Perimeter is co-hosted by Perimeter Teaching Faculty member Lauren Hayward and journalist-turned-science communicator Colin Hunter. In each episode, they chat with a guest scientist about their research, the challenges they encounter, and the drive that keeps them searching for answers. The podcast is produced by the Perimeter Institute for Theoretical Physics, a not-for-profit, charitable organization supported by a unique public-private model, including the Governments of Ontario and Canada. Perimeter Institute acknowledges that it is situated on the traditional territory of the Anishinaabe, Haudenosaunee, and Neutral peoples. Perimeter’s educational outreach initiatives, including Conversations at the Perimeter, are made possible in part by the support of donors like you. Be part of the equation: perimeterinstitute.ca/donate