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Physicists Rewrite a Quantum Rule That Clashes With Our Universe
...of Harvard University have collaborated on an effort to replace unitarity in quantum physics with an alternative rule called isometry. Bianca Dittrich, of the Perimeter Institute for Theoretical Physics, struck...
High-Temperature Superconductivity Understood at Last
...in a particular direction, like a quantum-size magnet. The late Philip Anderson, an American Nobel laureate and all-around legend in condensed matter physics, put forth a theory just months after...
Physics Duo Finds Magic in Two Dimensions
...dubbed it) was a whole new category of substance — a 2D material. Its discovery transformed condensed matter physics, the branch of physics that seeks to understand the many forms...
What Is Quantum Field Theory and Why Is It Incomplete?
...and then simulating. And yet there’s a fundamental obstacle seemingly to discretizing the laws of physics as we know it. So we can’t simulate the laws of physics, but it...
How the Physics of Nothing Underlies Everything
...then, the vacuum has become a bedrock concept in physics, the foundation of any theory of something. Von Guericke’s vacuum was an absence of air. The electromagnetic vacuum is the...
Particle Physicists Puzzle Over a New Duality
A hidden link has been found between two seemingly unrelated particle collision outcomes. It’s the latest example of a mysterious web of mathematical connections between disparate theories of physics. Last...
Mass and Angular Momentum, Left Ambiguous by Einstein, Get Defined
...mathematical physicist Roger Penrose, another pioneer of black hole physics, identified the task of characterizing quasilocal mass — “where one does not need to go ‘all the way to infinity’...
For His Sporting Approach to Math, a Fields Medal
...had a hard time finding that with physics.” He ended up focusing on an area of math that hewed very close to physics and was motivated almost entirely by physical...
Controversy Continues Over Whether Hot Water Freezes Faster Than Cold
...to misusing a refrigerator.” Thus begins a 1969 paper in the journal Physics Education in which Mpemba described an incident at Magamba Secondary School in Tanzania when he and his...