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Troubled Times for Alternatives to Einstein’s Theory of Gravity
...September 2017, he was at the Institute for Theoretical Physics in Saclay, near Paris, to speak at a meeting about dark energy and modified gravity. The official news had not...
Ultra-Accurate Clocks Lead Search for New Laws of Physics
...time, Ye could reveal an interaction between a hypothetical ultralight dark matter particle and the internal constituents of atoms. Such a find would shake up physics. Flambaum and Ye are...
Trouble Detected in Infamous Dark Matter Signal
...saw otherwise. In a paper posted April 4 to the physics preprint site arxiv.org, three physicists showed that a standard dark-matter WIMP cannot produce the new DAMA signal. “The vanilla...
Black Hole Echoes Would Reveal Break With Einstein’s Theory
...in theoretical physics. We dream of the day when one of our equations will be plotted against data and fit spot on. It’s rare for this dream to come true....
Why Stephen Hawking’s Black Hole Puzzle Keeps Puzzling
...who died today at 76, was something of a betting man, regularly entering into friendly wagers with his colleagues over key questions in theoretical physics. “I sensed when Stephen and...
Why the Tiny Weight of Empty Space Is Such a Huge Mystery
...physics, has to say about empty space. A quantum field is empty when there are no particle excitations rippling through it. But because of the uncertainty principle in quantum physics,...
Physicists Find a Way to See the ‘Grin’ of Quantum Gravity
...physics. Perhaps, given the chance, the whip-smart Bronstein might have helped to speed things along. Aside from quantum gravity, he contributed to astrophysics and cosmology, semiconductor theory, and quantum electrodynamics,...
Elusive Higgs-Like State Created in Exotic Materials
Two teams of physicists have created the “Higgs mode” – a link between particle physics and the physics of matter. The work could help researchers understand the strange behavior of...
Physicists Mourn Joe Polchinski, Developer of Deep Ideas and Paradoxes
...Institute for Theoretical Physics at the University of California, Santa Barbara, he interacted meaningfully with much of the theoretical physics community worldwide, conscious of the fact that important insights come...