Perimeter Institute is celebrating 25 years of curiosity, wonder, and groundbreaking research. Join us for PI/25 – A peek inside the Perimeter for public events September 20-27, 2025. This is your chance to step inside, meet the people behind the work, and see our iconic building in a new light.
Thank you to our 25th Anniversary Festival supporters:
What to experience
PI/25 – A peek inside the Perimeter
Sat Sept 20 and Sun Sept 21, 10:00 AM to 4:00 PM
Join us at Perimeter Institute for a peek inside the building, and opportunities to connect with scientists. Expect short presentations, videos, and hands-on activities for all ages. We are proud to be a Doors Open Waterloo partner.
Lumen at Perimeter
Sat Sept 20, 6:00 PM to 11:00 PM
One night only! As Waterloo’s Lumen Festival lights up the City, join Perimeter at this immersive outdoor event for lights, music and conversations. We are proud to be a Lumen Festival partner with the City of Waterloo.
Live on stage: A Quantum of Hope
Sat Sept 20 and Sun Sept 21, 5:00 PM
In this rare opportunity, PI researchers will take to the stage for a dramatic reading of one-act play inside Perimeter’s theatre, written by PI alumni.
“In a Douglas Adams-inspired setting, planet Earth must prove its scientific value to the Galactic Federation of Science & Technology (GAFSAT). Through satire and plot twists, five characters discuss the promise and peril of quantum computers, simulations, sensors, and quantum foundations research.”
Princess Cinemas screening and talks
Particle Fever (2013)
Mon Sept 22, 6:30 PM to 8:30 PM, at Princess Cinemas
Get your free tickets for a showing of a documentary tracing the Large Hadron Collider era and the Higgs boson discovery. Particle Fever (2013) will play in Princess Cinemas, followed by a Q&A with cast member Savas Dimopoulos and Director Mark Levinson.
Book your free tickets through Princess Cinemas
The Universe in a Grain of Sand (2024)
Sat Sept 27, 2:00 PM to 4:00 PM, at Princess Cinemas
Get your free tickets for a showing of this creative documentary that explores how scientists and artists probe nature’s deepest mysteries. The Universe in a Grain of Sand (2024) will play at Princess Cinemas, followed by a Q&A with Director Mark Levinson.
About PI
Perimeter Institute is the world’s largest research hub devoted to theoretical physics. The independent Institute was founded in 1999 to foster breakthroughs in the fundamental understanding of our universe, from the smallest particles to the entire cosmos. Research at Perimeter is motivated by the understanding that fundamental science advances human knowledge and catalyzes innovation, and that today’s theoretical physics is tomorrow’s technology. Located in the Region of Waterloo, the not-for-profit Institute is a unique public-private endeavour, including the Governments of Ontario and Canada, that enables cutting-edge research, trains the next generation of scientific pioneers, and shares the power of physics through award-winning educational outreach and public engagement.