Perimeter Institute for Theoretical Physics
@perimeterinstitute.ca
We are an independent centre for research, training, and outreach in theoretical physics in Waterloo.
https://perimeterinstitute.ca/link-in-bio
https://perimeterinstitute.ca/link-in-bio
How do you test the limits of quantum theory? By making gentle tweaks to it in a model universe and examining how the laws of physics change as a result. The latest of these tests from Perimeter researchers is a ‘foil theory’ called twirled worlds. Learn more: perimeterinstitute.ca/news/twirled...
Twirled Worlds: A new test of quantum theory | PI News
perimeterinstitute.ca
January 16, 2026 at 4:59 PM
How do you test the limits of quantum theory? By making gentle tweaks to it in a model universe and examining how the laws of physics change as a result. The latest of these tests from Perimeter researchers is a ‘foil theory’ called twirled worlds. Learn more: perimeterinstitute.ca/news/twirled...
Interested in applying for Perimeter's PSI Master's program? Hear from former PSI students about their best tips for both applying to and thriving in the program. Applications are due February 1, 2026.
Learn more here: perimeterinstitute.ca/news/perimet...
Learn more here: perimeterinstitute.ca/news/perimet...
Perimeter students give their best advice for PSI applicants | PI News
perimeterinstitute.ca
January 15, 2026 at 3:42 PM
Interested in applying for Perimeter's PSI Master's program? Hear from former PSI students about their best tips for both applying to and thriving in the program. Applications are due February 1, 2026.
Learn more here: perimeterinstitute.ca/news/perimet...
Learn more here: perimeterinstitute.ca/news/perimet...
From April 27 to 29, 2026, Perimeter Institute will host Cosmological Frontiers in Fundamental Physics.
This annual workshop brings together leaders from three institutes and beyond to advance the cosmological frontiers of fundamental physics.
Learn more: events.perimeterinstitute.ca/event/1540/
This annual workshop brings together leaders from three institutes and beyond to advance the cosmological frontiers of fundamental physics.
Learn more: events.perimeterinstitute.ca/event/1540/
January 14, 2026 at 7:03 PM
From April 27 to 29, 2026, Perimeter Institute will host Cosmological Frontiers in Fundamental Physics.
This annual workshop brings together leaders from three institutes and beyond to advance the cosmological frontiers of fundamental physics.
Learn more: events.perimeterinstitute.ca/event/1540/
This annual workshop brings together leaders from three institutes and beyond to advance the cosmological frontiers of fundamental physics.
Learn more: events.perimeterinstitute.ca/event/1540/
Congratulations! Two Perimeter researchers and their co-authors have been recognized by the 2025 Buchalter Prize for Cosmology.
Buchalter Prize
www.buchaltercosmologyprize.org
January 14, 2026 at 3:27 PM
Congratulations! Two Perimeter researchers and their co-authors have been recognized by the 2025 Buchalter Prize for Cosmology.
Reposted by Perimeter Institute for Theoretical Physics
Congratulations Dr Clifford Burgess, Adjunct Professor at DIAS School of Theoretical Physics, Professor @mcmasteruniversity.bsky.social, & Associate member @perimeterinstitute.ca on being part of the 2nd prize winning collaboration of the 2025 Buchalter Cosmology Prize 👏 #DIASdiscovers #DIAS85
Annual Buchalter Cosmology Prize Announces 2025 Winners
A recent paper co - authored by Dr. Carsten van de Bruck and PhD student Adam Smith ‘A Minimal Axio-dilaton Dark Sector’ has won second prize at theAnnual Buchalter Cosmology Prize.
sheffield.ac.uk
January 14, 2026 at 11:43 AM
Congratulations Dr Clifford Burgess, Adjunct Professor at DIAS School of Theoretical Physics, Professor @mcmasteruniversity.bsky.social, & Associate member @perimeterinstitute.ca on being part of the 2nd prize winning collaboration of the 2025 Buchalter Cosmology Prize 👏 #DIASdiscovers #DIAS85
Want to learn how to decipher one of physics' most useful tools? Check out our one-page primer on how to read Feynman diagrams: perimeterinstitute.ca/news/anatomy...
Anatomy of a Feynman Diagram | PI News
perimeterinstitute.ca
January 13, 2026 at 3:50 PM
Want to learn how to decipher one of physics' most useful tools? Check out our one-page primer on how to read Feynman diagrams: perimeterinstitute.ca/news/anatomy...
Perimeter Institute is pleased to showcase its newest art installation.
Created by Jay Havens, Ka'satsténhsera: Unity of Hearts & Minds serves as a cultural reminder of the connection between the Perimeter Institute and the original stewards of the land on which the institute now sits.
Created by Jay Havens, Ka'satsténhsera: Unity of Hearts & Minds serves as a cultural reminder of the connection between the Perimeter Institute and the original stewards of the land on which the institute now sits.
January 12, 2026 at 7:06 PM
Perimeter Institute is pleased to showcase its newest art installation.
Created by Jay Havens, Ka'satsténhsera: Unity of Hearts & Minds serves as a cultural reminder of the connection between the Perimeter Institute and the original stewards of the land on which the institute now sits.
Created by Jay Havens, Ka'satsténhsera: Unity of Hearts & Minds serves as a cultural reminder of the connection between the Perimeter Institute and the original stewards of the land on which the institute now sits.
Tickets for our upcoming public lecture are live!
On Wed, Jan 21, at 6:45 PM, join artist Jay Havens at Perimeter Institute for a talk on local Haudenosaunee cultural and art history and the theme of Ka'satsténhsera – Unity of Hearts and Minds.
Get tickets here: www.eventbrite.ca/e/kasatstenh...
On Wed, Jan 21, at 6:45 PM, join artist Jay Havens at Perimeter Institute for a talk on local Haudenosaunee cultural and art history and the theme of Ka'satsténhsera – Unity of Hearts and Minds.
Get tickets here: www.eventbrite.ca/e/kasatstenh...
Ka'satsténhsera – Unity of Hearts and Minds
Artist Jay Havens shares Haudenosaunee history, culture & art - from Woodland school to the Indigenous Group of Seven - in a talk on unity.
https://www.eventbrite.ca/e/kasatstenhsera-unity-of-hearts-and-minds-tickets-1976510326593"
January 12, 2026 at 2:25 PM
Tickets for our upcoming public lecture are live!
On Wed, Jan 21, at 6:45 PM, join artist Jay Havens at Perimeter Institute for a talk on local Haudenosaunee cultural and art history and the theme of Ka'satsténhsera – Unity of Hearts and Minds.
Get tickets here: www.eventbrite.ca/e/kasatstenh...
On Wed, Jan 21, at 6:45 PM, join artist Jay Havens at Perimeter Institute for a talk on local Haudenosaunee cultural and art history and the theme of Ka'satsténhsera – Unity of Hearts and Minds.
Get tickets here: www.eventbrite.ca/e/kasatstenh...
Hear from Alex May, Perimeter Institute's Murray Gell-Mann Chair in Theoretical Physics, about quantum information's links to quantum gravity on Physics World's weekly podcast. Tune in here: physicsworld.com/a/quantum-in...
Quantum information theory sheds light on quantum gravity – Physics World
Our podcast guest is Alex May of the Perimeter Institute for Theoretical Physics
physicsworld.com
January 9, 2026 at 7:59 PM
Hear from Alex May, Perimeter Institute's Murray Gell-Mann Chair in Theoretical Physics, about quantum information's links to quantum gravity on Physics World's weekly podcast. Tune in here: physicsworld.com/a/quantum-in...
"On Wednesday, January 21, at 6:45 PM, join artist Jay Havens at Perimeter Institute for a talk exploring local Haudenosaunee cultural and art history, and the theme of Ka'satsténhsera – Unity of Hearts and Minds.
Learn more and set a reminder to get tickets: www.eventbrite.ca/e/kasatstenh...
Learn more and set a reminder to get tickets: www.eventbrite.ca/e/kasatstenh...
Ka'satsténhsera – Unity of Hearts and Minds
Artist Jay Havens shares Haudenosaunee history, culture & art - from Woodland school to the Indigenous Group of Seven - in a talk on unity.
https://www.eventbrite.ca/e/kasatstenhsera-unity-of-hearts-and-minds-tickets-1976510326593"
January 9, 2026 at 2:59 PM
"On Wednesday, January 21, at 6:45 PM, join artist Jay Havens at Perimeter Institute for a talk exploring local Haudenosaunee cultural and art history, and the theme of Ka'satsténhsera – Unity of Hearts and Minds.
Learn more and set a reminder to get tickets: www.eventbrite.ca/e/kasatstenh...
Learn more and set a reminder to get tickets: www.eventbrite.ca/e/kasatstenh...
What does quantum mechanics really say about the nature of reality? Perimeter Institute’s researchers have been seeking answers for 25 years - let's learn about their progress.
perimeterinstitute.ca/news/25-year...
perimeterinstitute.ca/news/25-year...
25 years of Quantum Foundations | PI News
perimeterinstitute.ca
January 8, 2026 at 8:10 PM
What does quantum mechanics really say about the nature of reality? Perimeter Institute’s researchers have been seeking answers for 25 years - let's learn about their progress.
perimeterinstitute.ca/news/25-year...
perimeterinstitute.ca/news/25-year...
"What does the “tail” of a black hole collision reveal about gravity?
New research from the University of Mississippi and Perimeter Institute has uncovered distinctive post-merger features, a telltale “tail”, in simulations of colliding black holes.
Details: olemiss.edu/news/2025/12...
New research from the University of Mississippi and Perimeter Institute has uncovered distinctive post-merger features, a telltale “tail”, in simulations of colliding black holes.
Details: olemiss.edu/news/2025/12...
https://olemiss.edu/news/2025/12/research-uncovers-the-telltale-tail-of-black-hole-collisions/index.html"
January 8, 2026 at 3:29 PM
"What does the “tail” of a black hole collision reveal about gravity?
New research from the University of Mississippi and Perimeter Institute has uncovered distinctive post-merger features, a telltale “tail”, in simulations of colliding black holes.
Details: olemiss.edu/news/2025/12...
New research from the University of Mississippi and Perimeter Institute has uncovered distinctive post-merger features, a telltale “tail”, in simulations of colliding black holes.
Details: olemiss.edu/news/2025/12...
Meet the dark photon, the theoretical 'cousin' of the photon, and discover what it can reveal about our early universe. perimeterinstitute.ca/news/meet-da...
Meet the dark photon | PI News
perimeterinstitute.ca
January 7, 2026 at 3:51 PM
Meet the dark photon, the theoretical 'cousin' of the photon, and discover what it can reveal about our early universe. perimeterinstitute.ca/news/meet-da...
Perimeter Institute alumni have gone on to a wide variety of roles after leaving the Institute.
Natacha Altamirano's PhD in physics gave her an appreciation for analytical problem-solving and an ease when dealing with complexity. She’s now applying these two skills to private equity. Learn more:
Natacha Altamirano's PhD in physics gave her an appreciation for analytical problem-solving and an ease when dealing with complexity. She’s now applying these two skills to private equity. Learn more:
Natacha Altamirano: bringing data-driven thinking to private equity | Perimeter Institute
Natacha Altamirano completed her PhD at Perimeter Institute for Theoretical Physics. Now she is the Senior Director of the Data Science team at Birch Hill Equity Partners. Perimeter Institute alumni h...
perimeterinstitute.ca
January 6, 2026 at 3:10 PM
Perimeter Institute alumni have gone on to a wide variety of roles after leaving the Institute.
Natacha Altamirano's PhD in physics gave her an appreciation for analytical problem-solving and an ease when dealing with complexity. She’s now applying these two skills to private equity. Learn more:
Natacha Altamirano's PhD in physics gave her an appreciation for analytical problem-solving and an ease when dealing with complexity. She’s now applying these two skills to private equity. Learn more:
What will the quantum future look like?
Perimeter's Lauren Hayward spoke with experts making it a reality.
Check out her reflections on the conversations over on @letstalkscience.bsky.social: letstalkscience.ca/news-media/p...
Perimeter's Lauren Hayward spoke with experts making it a reality.
Check out her reflections on the conversations over on @letstalkscience.bsky.social: letstalkscience.ca/news-media/p...
Preparing for the Next Quantum Revolution
Experts and innovators share insights on making quantum science accessible and inspire students to lead the next quantum revolution.
letstalkscience.ca
January 5, 2026 at 4:28 PM
What will the quantum future look like?
Perimeter's Lauren Hayward spoke with experts making it a reality.
Check out her reflections on the conversations over on @letstalkscience.bsky.social: letstalkscience.ca/news-media/p...
Perimeter's Lauren Hayward spoke with experts making it a reality.
Check out her reflections on the conversations over on @letstalkscience.bsky.social: letstalkscience.ca/news-media/p...
As gravitational-wave astronomy opens a new window on the universe, William East is helping physicists learn how to read its faintest and most surprising signals.
Watch East's Explorer Profile to learn more about his research: youtu.be/mqDX9CRmfIw?...
Watch East's Explorer Profile to learn more about his research: youtu.be/mqDX9CRmfIw?...
William East: Exploring the places where gravity breaks
YouTube video by Perimeter Institute for Theoretical Physics
youtu.be
December 19, 2025 at 3:38 PM
As gravitational-wave astronomy opens a new window on the universe, William East is helping physicists learn how to read its faintest and most surprising signals.
Watch East's Explorer Profile to learn more about his research: youtu.be/mqDX9CRmfIw?...
Watch East's Explorer Profile to learn more about his research: youtu.be/mqDX9CRmfIw?...
2025 has been a significant year for Perimeter Institute and Canadian physics.
Here’s a roundup of some of our favourite science stories and milestone markers from this year: perimeterinstitute.ca/news/year-ca...
Here’s a roundup of some of our favourite science stories and milestone markers from this year: perimeterinstitute.ca/news/year-ca...
The year in Canadian physics news | PI News
perimeterinstitute.ca
December 18, 2025 at 3:27 PM
2025 has been a significant year for Perimeter Institute and Canadian physics.
Here’s a roundup of some of our favourite science stories and milestone markers from this year: perimeterinstitute.ca/news/year-ca...
Here’s a roundup of some of our favourite science stories and milestone markers from this year: perimeterinstitute.ca/news/year-ca...
Happy Holidays from Perimeter Institute!
We’ve created a series of holiday cards with a scientific twist for you to share with friends and family.
We’ve created a series of holiday cards with a scientific twist for you to share with friends and family.
December 17, 2025 at 7:14 PM
Happy Holidays from Perimeter Institute!
We’ve created a series of holiday cards with a scientific twist for you to share with friends and family.
We’ve created a series of holiday cards with a scientific twist for you to share with friends and family.
Applications for our EinsteinPlus workshop are now open.
EinsteinPlus is a one-week intensive workshop for Canadian and international high school teachers that focuses on modern physics.
Learn more and apply by February 9th: perimeterinstitute.ca/outreach/tea...
EinsteinPlus is a one-week intensive workshop for Canadian and international high school teachers that focuses on modern physics.
Learn more and apply by February 9th: perimeterinstitute.ca/outreach/tea...
December 16, 2025 at 7:11 PM
Applications for our EinsteinPlus workshop are now open.
EinsteinPlus is a one-week intensive workshop for Canadian and international high school teachers that focuses on modern physics.
Learn more and apply by February 9th: perimeterinstitute.ca/outreach/tea...
EinsteinPlus is a one-week intensive workshop for Canadian and international high school teachers that focuses on modern physics.
Learn more and apply by February 9th: perimeterinstitute.ca/outreach/tea...
Reposted by Perimeter Institute for Theoretical Physics
The term "qubit" was born out of a joke between Ben Schumacher and Bill Wootters!
@perimeterinstitute.ca
@perimeterinstitute.ca
December 16, 2025 at 6:52 PM
The term "qubit" was born out of a joke between Ben Schumacher and Bill Wootters!
@perimeterinstitute.ca
@perimeterinstitute.ca
We're proud to recognize Chadi Elkadri, Susie Merhebi Elkadri, Baraa El-Kadri and Alaa Kabbani, whose generous pledge to Perimeter's endowment fund will support research and education for generations to come.
December 15, 2025 at 4:03 PM
We're proud to recognize Chadi Elkadri, Susie Merhebi Elkadri, Baraa El-Kadri and Alaa Kabbani, whose generous pledge to Perimeter's endowment fund will support research and education for generations to come.
Hear from our Perimeter Scholars International (PSI) students about their experience.
PSI is an innovative, one-year master's program in theoretical physics designed for ambitious students worldwide.
Watch all the PSI Student Journey interviews: www.youtube.com/playlist?lis...
PSI is an innovative, one-year master's program in theoretical physics designed for ambitious students worldwide.
Watch all the PSI Student Journey interviews: www.youtube.com/playlist?lis...
PSI Student Journeys - Initial Conditions - YouTube
PSI is an innovative, one-year master's program in theoretical physics designed for ambitious students worldwide. From in-depth courses to groundbreaking res...
www.youtube.com
December 12, 2025 at 11:54 PM
Hear from our Perimeter Scholars International (PSI) students about their experience.
PSI is an innovative, one-year master's program in theoretical physics designed for ambitious students worldwide.
Watch all the PSI Student Journey interviews: www.youtube.com/playlist?lis...
PSI is an innovative, one-year master's program in theoretical physics designed for ambitious students worldwide.
Watch all the PSI Student Journey interviews: www.youtube.com/playlist?lis...
Drawn to Waterloo by curiosity and a bold vision, Lucien Hardy joined a team of physics pioneers forging a new kind of research institute — one built to let paradoxes, collaboration, and radical ideas thrive.
Watch Hardy's Explorer Profile to learn more: youtu.be/R99r-tfIk4s?...
Watch Hardy's Explorer Profile to learn more: youtu.be/R99r-tfIk4s?...
Lucien Hardy: A quarter-century exploring physics frontiers
YouTube video by Perimeter Institute for Theoretical Physics
youtu.be
December 11, 2025 at 9:37 PM
Drawn to Waterloo by curiosity and a bold vision, Lucien Hardy joined a team of physics pioneers forging a new kind of research institute — one built to let paradoxes, collaboration, and radical ideas thrive.
Watch Hardy's Explorer Profile to learn more: youtu.be/R99r-tfIk4s?...
Watch Hardy's Explorer Profile to learn more: youtu.be/R99r-tfIk4s?...
2025 marks 25 years of discovery at Perimeter Institute.
Throughout the year, we hosted an exciting array of events to celebrate the curiosity, wonder, and groundbreaking research happening here and around the world.
Watch our 2025 recap video: www.youtube.com/watch?v=icYW...
Throughout the year, we hosted an exciting array of events to celebrate the curiosity, wonder, and groundbreaking research happening here and around the world.
Watch our 2025 recap video: www.youtube.com/watch?v=icYW...
2025: A Celebratory Year at Perimeter
YouTube video by Perimeter Institute for Theoretical Physics
www.youtube.com
December 9, 2025 at 5:23 PM
2025 marks 25 years of discovery at Perimeter Institute.
Throughout the year, we hosted an exciting array of events to celebrate the curiosity, wonder, and groundbreaking research happening here and around the world.
Watch our 2025 recap video: www.youtube.com/watch?v=icYW...
Throughout the year, we hosted an exciting array of events to celebrate the curiosity, wonder, and groundbreaking research happening here and around the world.
Watch our 2025 recap video: www.youtube.com/watch?v=icYW...
Over the decades, many candidates for dark matter have been proposed, from microscopic black holes to gigantic stars that don’t emit light.
Here are five of our favourite dark matter candidates from history, illustrated: perimeterinstitute.ca/news/5-dark-...
Here are five of our favourite dark matter candidates from history, illustrated: perimeterinstitute.ca/news/5-dark-...
5 dark matter candidates, illustrated | PI News
perimeterinstitute.ca
December 9, 2025 at 1:36 AM
Over the decades, many candidates for dark matter have been proposed, from microscopic black holes to gigantic stars that don’t emit light.
Here are five of our favourite dark matter candidates from history, illustrated: perimeterinstitute.ca/news/5-dark-...
Here are five of our favourite dark matter candidates from history, illustrated: perimeterinstitute.ca/news/5-dark-...