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Conversations at the Perimeter

This podcast will introduce you to brilliant researchers working at the forefront of science, seeking to solve nature’s deepest mysteries – from quantum to cosmos. Learn about their motivations, the challenges they encounter, and the drive that keeps them searching for answers. Join the conversation!

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Episodes

Lucien Hardy on quantum gravity and (apparent) paradoxes

7 days ago

Lucien Hardy on quantum gravity and (apparent) paradoxes

7 days ago

Lucien Hardy is a theoretical physicist working at the intersection of the two pillars of modern physics – general relativity and quantum mechanics – in the quest for a single unifying theory: quantum gravity. Hardy joins co-hosts Lauren and Colin for a conversation about the puzzles that have driven him throughout his career, including the past 20 as a Perimeter faculty member. Hardy recalls the radio program that first sparked his childhood curiosity about the universe, describes his operational approach to big quantum puzzles, and explains the paradox that bears his name (as well as a second, somewhat-tongue-in-cheek paradox devised by his wife).  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, their motivations, 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’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

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Avery Broderick on a black hole breakthrough from the EHT

Thursday May 12, 2022

Avery Broderick on a black hole breakthrough from the EHT

Thursday May 12, 2022

On May 12, 2022, the global Event Horizon Telescope (EHT) collaboration unveiled the landmark first image of the black hole at the heart of our own Milky Way galaxy, called Sagittarius A* (or Sgr A*). On this special episode of Conversations at the Perimeter, Lauren and Colin talk with astrophysicist Avery Broderick about the significance of this discovery. He explains how the EHT collaboration created an “Earth-sized telescope” – a network of eight radio telescopes on five continents, all focussed on a single spot on the night sky: the heart of the Milky Way, 27,000 light-years from Earth. Broderick holds the Delaney Family John Archibald Wheeler Chair at Perimeter, and is an associate faculty member jointly appointed to Perimeter and the University of Waterloo. He also leads the EHT Initiative at Perimeter Institute, which is one of the 13 partner organizations in the EHT. Although his childhood dream of voyaging through the universe on the Starship Enterprise remains out of reach, Broderick says hunting black holes (or "fire donuts," as he playfully calls them) is the next-best thing. For more on the news, check out our story. 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, their motivations, 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’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

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Ghazal Geshnizjani and Niayesh Afshordi: Cosmologically Coupled

Thursday May 05, 2022

Ghazal Geshnizjani and Niayesh Afshordi: Cosmologically Coupled

Thursday May 05, 2022

They often debate the working black holes and the big bang at Perimeter Institute’s blackboards -- and sometimes at the breakfast table too. Ghazal Geshnizjani and Niayesh Afshordi split their time between investigating the mysteries of the cosmos and raising their young family. Both are researchers at Perimeter Institute and the University of Waterloo, exploring concepts like the beginning of the universe, the extreme gravity of black hole singularities, the mysteries of dark energy, and other big open questions in astrophysics. Both are also passionate about sparking a love of science in others (including their kids), which led Ghazal to write the illustrated children’s book Bella the Black Hole. In this conversation with Lauren and Colin, they explain the big challenges that drive them, and how their differing individual approaches to research complement one another. 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, their motivations, 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’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

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Carlo Rovelli on physics and philosophy

Thursday Apr 28, 2022

Carlo Rovelli on physics and philosophy

Thursday Apr 28, 2022

Theoretical physicist, philosopher, and international bestselling author Carlo Rovelli joins Lauren and Colin for a conversation about the quest for quantum gravity, the importance of unlearning outdated ideas, and a very unique way to get out of a speeding ticket. Rovelli is a Distinguished Visiting Research Chair at Perimeter Institute. He is also the author of seven popular science books, including The Order of Time, Reality is Not What it Seems, and the breakout bestseller Seven Brief Lessons on Physics, which has been translated into more than 40 languages.  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, their motivations, 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’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

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Katie Mack on the end of it all – and new beginnings

Thursday Apr 21, 2022

Katie Mack on the end of it all – and new beginnings

Thursday Apr 21, 2022

Katie Mack was recently appointed as Perimeter’s inaugural Hawking Chair in Cosmology and Science Communication. An adept science communicator, she is best known as @Astrokatie to her 400,000+ Twitter followers. She published her first book in 2020, The End of Everything (Astrophysically Speaking), in which she explains the various ways our universe could come to its end. During this conversation, she tells us about her early interactions with Stephen Hawking, how she became fascinated with the universe’s ultimate fate, and why she is so passionate about sharing her love of science with the world. 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, their motivations, 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’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

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Timothy Hsieh on the magic of quantum

Thursday Apr 14, 2022

Timothy Hsieh on the magic of quantum

Thursday Apr 14, 2022

Timothy Hsieh is a Perimeter faculty member and a co-leader of the Institute’s Clay Riddell Centre for Quantum Matter. His research explores the intersection of quantum information and condensed matter physics. The Los Angeles native is also a classically trained violinist and a new dad. During this conversation, he shares how “quantum magic” can help us build powerful quantum computers, his first experiences at Perimeter as a teenager, and how fatherhood has helped fuel his innate curiosity about nature.  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, their motivations, 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’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

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Introducing: Conversations at the Perimeter

Monday Apr 04, 2022

Introducing: Conversations at the Perimeter

Monday Apr 04, 2022

Get to know some of the brilliant minds trying to solve nature’s deepest mysteries. Conversations at the Perimeter will introduce you to researchers working at the forefront of science, tackling challenges from dark matter and black holes to quantum computing and particle physics.   The series 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, their motivations, the challenges they encounter, and the drive that keeps them searching for answers.   The first season of Conversations at the Perimeter will feature Carlo Rovelli, Katie Mack, Raymond Laflamme, and other fascinating explorers working at the edge of knowledge. The first episode will be released on Thursday, April 14. Guest speakers in this episode, in order of appearance: Katie Mack, Lucien Hardy, Meenu Kumari, Hilding Neilson, Carlo Rovelli, Timothy Hsieh, Ghazal Geshnizjani, Niayesh Afshordi.   Conversations at the Perimeter is produced by Perimeter Institute, the world’s largest independent research hub devoted to theoretical physics research, training, and educational outreach. Perimeter is a not-for-profit, charitable organization, and Conversations at the Perimeter is made possible in part by the support of donors like you. Be part of the equation: perimeterinstitute.ca/donate.    Follow Perimeter on social media and subscribe to Conversations at the Perimeter wherever you get your podcasts.   twitter.com/perimeteryoutube.com/PIOutreachinstagram.com/perimeterinstitutefacebook.com/pioutreachperimeterinstitute.ca

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Get to know some of the brilliant minds trying to solve nature’s deepest mysteries. Conversations at the Perimeter will introduce you to researchers working at the forefront of science, tackling challenges from dark matter and black holes to quantum computing and particle physics.

The series 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, their motivations, the challenges they encounter, and the drive that keeps them searching for answers.

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Who we are

Perimeter Institute is a leading centre for scientific research, training, and educational outreach in foundational theoretical physics. Located in Waterloo, Ontario, Canada, its mission is to advance our understanding of the universe at the most fundamental level, stimulating the breakthroughs that could transform our future. Perimeter also trains the next generation of physicists through innovative programs, and shares the excitement and wonder of science with students, teachers, and the general public.

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Perimeter is a not-for-profit, charitable organization, supported by a unique public-private model, including the Governments of Ontario and Canada. 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

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