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Is Dark Energy Getting Weaker? New Evidence Strengthens the Case.
...finding, presented today at the Global Physics Summit in Anaheim, California, aligns with that of a second group of cosmologists, the 400-strong Dark Energy Survey (DES). Having also observed a...
‘Next-Level’ Chaos Traces the True Limit of Predictability
...mathematics and computer science. But he never forgot the pinball machine, and how computer science put limits on the machine’s physics. He wondered whether undecidability touched any physics problems that...
The Physicist Working to Build Science-Literate AI
By training machine learning models with examples of basic science, Miles Cranmer hopes to push the pace of scientific discovery forward. Physics dazzled Miles Cranmer from an early age. His...
How Hans Bethe Stumbled Upon Perfect Quantum Theories
...1980s. Now few areas of physics remain untouched by Bethe’s nearly century-old insight. “Its importance has continued growing to this day,” said Charlotte Kristjansen, a professor at the Niels Bohr...
How Noether’s Theorem Revolutionized Physics
Emmy Noether showed that fundamental physical laws are just a consequence of simple symmetries. A century later, her insights continue to shape physics. In the fall of 1915, the foundations...
The Physicist Decoding the Nonbinary Nature of the Subatomic World
...many of their peers. Many discoveries in physics flow from theory to experiment. Albert Einstein theorized that mass bends the fabric of space-time, and then Arthur Eddington observed the effects...
2024 Biggest Breakthroughs in Physics
A look back at three of the biggest stories in physics this year, including evidence that dark energy may be weakening, the discovery of a supersolid, and new advances in...
The Year in Physics
Physicists discovered strange supersolids, constructed new kinds of superconductors, and continued to make the case that the cosmos is far weirder than anyone suspected. Back in 1981, Cameron Gordon introduced...
What Is Entropy? A Measure of Just How Little We Really Know.
...and why the world appears deterministic rather than quantum mechanically uncertain. But despite its fundamental importance, entropy is perhaps the most divisive concept in physics. “Entropy has always been a...