General relativity is a profoundly complex mathematical theory, but its description of black holes is amazingly simple. A stable black hole can be described by just three properties: its mass, its electric charge and its ...
Astronomy
Dec 11, 2020
52
177
Just over a week ago, European physicists announced they had measured the strength of gravity on the smallest scale ever.
General Physics
Mar 4, 2024
7
140
A mathematical link between two key equations—one that deals with the very big and the other, the very small—has been developed by a young mathematician in China.
Mathematics
Apr 29, 2024
1
87
(PhysOrg.com) -- An analysis of more than 70,000 galaxies by University of California, Berkeley, University of Zurich and Princeton University physicists demonstrates that the universe - at least up to a distance of 3.5 billion ...
General Physics
Mar 10, 2010
37
4
Albert Einstein's general theory of relativity describes how the fabric of space and time, or spacetime, is curved in response to mass. Our sun, for example, warps space around us such that planet Earth rolls around the sun ...
Astronomy
May 25, 2023
2
443
(PhysOrg.com) -- The path traveled by a light beam will bend in the presence of matter. This remarkable prediction, reached by Einstein in his theory of general relativity, was confirmed by observations of the solar eclipse ...
Astronomy
Nov 21, 2011
3
1
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
Researchers at the University of East Anglia and the University of Manchester have helped conduct a 16-year long experiment to challenge Einstein's theory of general relativity.
General Physics
Dec 13, 2021
16
1466
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
In a development at the intersection of quantum mechanics and general relativity, researchers have made significant strides toward unraveling the mysteries of quantum gravity. This work sheds new light on future experiments ...
Optics & Photonics
Jun 5, 2024
3
157
