Talks & outreach

You can view all my lectures and seminars at PI on pirsa.org.

Earlier talks and seminars

• Copenhagen Survey on Black Holes and Fundamental Physics (in Farsi, IPM Physics, Colloquium, Iran, April 2025, keynote, PDF)

• Battle of the Big Bang, How the Universe Began (and Why It’s a Big Mystery!), (Physics Literacy for Kids, Mar 2025, keynote, Zoom recording)
• Quantum spacetime in the sky: from horizon to horizon (#ICBS2024 conference, BIMSA, China, July 2024, keynote, PDF)

• Quantum Spacetime & the Cosmic Endgame (Physics colloquium at Simon Fraser University, Nov. 2023, keynote, PDF)
• A Tale of Stars and Sirens (Strauss-Lupton Fest, Princeton University, June 2023, Recording, keynote, PDF)
• Fundamental Physics vs. Fundamentalism (HISTORY, PHILOSOPHY & SOCIOLOGY OF COSMOLOGY & ASTROPARTICLE PHYSICS CONFERENCE, University of Bonn, Germany, June 2022, PDF)
• Stimulating Hawking Radiation of Gravitational waves: from theory to observation (New horizons for (no-)horizon physics: from gauge to gravity and back, Galileo Galilei Institute, Florence, Italy, April 2022, PDF, keynote)

• Black Holes, Unscripted (BLACK-HOLE MICROSTRUCTURE conference, June 2021, PDF)
• Black Holes, Unscripted (Copernicus Webinar, May 2021, PDF)
• Cosmology of the Pandemic (Institut d’Astrophysique de Paris, March 2021, PDF,keynote)
• فیزیک و اخترفیزیک با امواج گرانشی ,چهاردهمین کنفرنس نجوم و اخترفیزیک, 6 و 7 بهمن ماه 1399 – دانشگاه سمنان
• "Managing the COVID-19 Pandemic across Geography and Demography", Colloquium at Perimeter Institute for Theoretical Physics, July 2020 (keynote, PDF)
• "Local drivers of growth and containment for COVID-19 pandemic", COVID-19 Math Modelling seminar, Fields Institute, July 2020 (keynote, PDF)
• "Quantum Black Hole Seismology (or What does COVID-19 teach us about Quantum Black Holes?!)", BIU, May 2020 (keynote, PDF)
• "On Nothing", Physics Colloquium, Grand Valley State University, Michigan, October 2019 (keynote, PDF)
• Wrap Up talk for the Cosmological Frontiers in Fundamental Physics 2019, Perimeter Institute, September 2019
• On Nothing! (Invited talk, cosmocruise 2019, August 2019)
• Quantum Black Holes in the Sky (Invited talk, Testing Gravity 2019, Simon Fraser University, Vancouver, Canada, January 2019)
• Here be Dragons! (Physics 10, University of Waterloo, September 2018; keynote, PDF)
• Seeing Cosmic Nanostructure: from plasma to dark matter (CITA seminar, June 2018)
• Seeing through the simulation blind spots: cosmic nanostructure (my second lecture at the 2018 Rotman Summer Institute on Philosophy of Cosmology, Goderich, ON, Canada, June 2018)
• Adios, Lorentz! Hola, Kuhn! (my first lecture at the 2018 Rotman Summer Institute on Philosophy of Cosmology, Goderich, ON, Canada, June 2018)
• Quantum Black Holes in the Sky: from Quantum Gravity to Astrophysics and Cosmology (Physics and Astronomy Colloquium, Western University, March 2018),  video of a very similar talk at PI can bee seen on pirsa.org

• Reviving Aether in Einstein's Universe: Trials, Tribulations, and Triumphs (Lecture for undergraduate Cosmology and Gravitation class at Western University, March 2018)

• Quantum Black Holes in the Sky (Physics Colloquium, University of Kansas, Oct. 2017), here is the video recording on YouTube
• The Other 99 Percent (Public Lecture, Royal Astronomical Society of Canada, Waterloo, Oct. 2017)
• Reflections on Spacetime (Cosmology and the Future of Spacetime, Western University, June 2017)

• Quantum Black Holes in the Sky (Physics Colloquium, Ohio State University, Feb. 2017)
• Echoes from the Abyss (University of Waterloo, Jan. 2017)
• Echoes from the Abyss (Invited talk, Testing Gravity 2017, Simon Fraser University, Vancouver, Canada, January 2017)
• What Banged and Why? (Public Lecture, Royal Astronomical Society of Canada, Waterloo, Jan. 2017)
• The many faces of the cosmological constant problem (Experimental Search for Quantum Gravity, Frankfurt Institute for Advanced Studies, Sep. 2016)
• E.F.T. is Evil! (Caltech workshop on Unifying Tests of General Relativity, Jul. 2016)
• Cosmological non-Constant (CnC) Problem: Astrophysical Limits of Particle Physics (HET-Discovery Seminar, Niels Bohr Institute, Copenhagen, May 2016; PDF, keynote)
• Accretion in Radiative Equipartition (AiRE) (DARK seminar, U-Copenhagen, May 2016; PDF, keynote)
• Accretion in Radiative Equipartition (AiRE) disks by Yasaman K. Yazdi (McMaster Astrophysics Journal Club, Mar. 2016)
• Neutrino masses from Neutrino wind (Theoretical Cosmology in the Era of Large Surveys, Galileo Galilei Institute - Florence, Mar. 2016)
• Cosmological non-Constant Problem (Mann Fest @UW, Dec. 2015)
• Neutron Stars, the Exotica, by Farbod Kamiab (PhD defence presentation @UW, Dec. 2015)
• Universal Horizons, by Mike Meiers (Rust Belt Cosmology meeting, U-Buffalo, Nov. 2015)
• Holographic Big Bang, by Natacha Altamirano (Rust Belt Cosmology meeting, U-Buffalo, Nov. 2015)
• 100 years of Alice’s Adventures in Relativistic Wonderland (Western, Oct. 2015; keynote, PDF)
• Occam's razor vs Dark Energy (U-Michigan, Sep. 2015)
• (Real) Early Universe with Quark-Gluon Plasmas (Brookhaven, Apr. 2015)
• Cosmological non-constant problem (Toronto, Apr. 2015)
• From Black Holes to Big Bang, and back! (PI, Oct. 2014)
• More on Dark Matter on Small Scales (KIAA, Beijing, Oct. 2013)
• Missing Baryons: How Much? How Hot? How Fast? (Shanghai, Oct. 2013)
• Out of the White Hole (U-Michigan, Sept. 2013)
• Universal Horizons in Black Holes (PI, July 2013)
• Tales of Dark Matter on Small Scales (Western, Apr. 2012; Friday 13th Edition!)
• Where did Einstein fail? Insights into Gravity and Dark Energy (KICP, Oct. 2011)
• Phase Space Structure and Dark Matter Astronomy (PI, Sept. 2011)
• Where will Einstein fail? (CITA, Sept. 2011)

• Aether, Quantum Gravity, and Cosmology (APC, Paris, June 2011)