Almost a quarter of the universe stands literally in the shadows. According to cosmologists' theories, 25.8% of it is made up of dark matter, whose presence is signaled essentially only by its gravitational pull. What this ...
General Physics
Aug 21, 2019
67
2059
Albert Einstein's assertion that there's an ultimate speed limit – the speed of light – has withstood countless tests over the past 100 years, but that didn't stop University of California, Berkeley, postdoc Michael Hohensee ...
General Physics
Jul 29, 2013
4
0
An international team led by the University of New South Wales has studied a distant star where gravity is more than 30,000 times greater than on Earth to test its controversial theory that one of the constants of Nature ...
General Physics
Jul 4, 2013
4
0
Physicists said Thursday they are now confident they have discovered a crucial subatomic particle known as a Higgs boson—a major discovery that will go a long ways toward helping them explain why the universe is the way ...
General Physics
Mar 14, 2013
102
0
How many matter particles exist in nature? Particle physicists have been dealing with this question for a long time. The 12 matter particles contained in the standard model of particle physics? Or are there further particles ...
General Physics
Dec 13, 2012
54
5
Quantum computers are devices—still largely theoretical—that could perform certain types of computations much faster than classical computers; one way they might do that is by exploiting "spin," a property of tiny particles ...
Quantum Physics
Nov 27, 2012
3
0
(PhysOrg.com) -- A simple atomic nucleus could reveal properties associated with the mysterious phenomenon known as time reversal and lead to an explanation for one of the greatest mysteries of physics: the imbalance of matter ...
General Physics
Oct 11, 2011
128
2
The physics world was abuzz with some tantalizing news a couple of weeks ago. At a meeting of the European Physical Society in Grenoble, France, physicists -- including some from Caltech -- announced that the latest data ...
General Physics
Aug 16, 2011
57
0
Scientists used a neural network, a type of brain-inspired machine learning algorithm, to sift through large volumes of particle collision data. Particle physicists are tasked with mining this massive and growing store of ...
General Physics
Apr 15, 2024
0
264
In a talk at the ongoing Rencontres de Moriond conference, the ATLAS collaboration presented the result of its latest test of a key principle of the Standard Model of particle physics known as lepton flavor universality. ...
General Physics
Mar 26, 2024
0
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