FQxI
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FQxI is a nonprofit institution supporting risk-taking research on foundational questions in science
EXPLORING THE FOUNDATIONS AND BOUNDARIES OF PHYSICS AND COSMOLOGY -- FQXi catalyzes, supports, and disseminates research on questions at the foundations of physics and cosmology, particularly new frontiers and innovative ideas integral to a deep understanding of reality, but unlikely to be supported by conventional funding sources.
A physicist explains what an infinite universe means.
What happens if the universe is infinite? A quick thought experiment with physicist Anthony Aguirre.
09/01/2026
Science needs people who can afford to be wrong. Yet we seem to have built a career ladder that removes them.
Dave Sloan, in Big Think: https://bigthink.com/the-well/the-incentive-problem-at-the-heart-of-modern-science/
09/01/2026
Dave Sloan, our Chief Scientific Officer, writing for Big Think.
08/25/2026
Niayesh Afshordi and Phil Halper surveyed 1,675 physicists on ten of the big unanswered questions.
Jordan Scharnhorst is one of our new FQxI Fellows. His research looks at the arrow of time and the foundations of cosmology.
He’s joining us for Foundational Answers, a programme taking stock of progress on ten major topics in foundational science and identifying the questions still open.
One part of that work is adversarial collaboration. Jordan explains what that means.
08/14/2026
FQxI member Markus Aspelmeyer and colleagues have demonstrated optical measurement and feedback cooling of a 6-microgram superconducting sphere levitated in a magnetic trap.
Read the new paper:
https://journals.aps.org/prapplied/abstract/10.1103/ljxp-3f66
08/11/2026
There’s a total solar eclipse on August 12!
The Sun will be completely covered in Greenland, Iceland, northern Russia and parts of Spain, with a partial eclipse visible across a much wider area.
It’s also the day of a six-planet morning lineup and the peak of the Perseid meteor shower.
Image credits: NASA
Some physicists believe that the future can influence the past. For someone hearing that for the first time... it sounds pretty crazy. We spoke briefly to Matthew Leifer about how that can possibly be true!
08/04/2026
Complete the universe...
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