Einstein's theory of general relativity holds that a massive body like Earth curves space-time, causing time to slow as you approach the object—so a person on top of a mountain ages a tiny bit faster than someone at sea ...
General Physics
Feb 19, 2022
234
484
JILA physicists have measured Albert Einstein's theory of general relativity, or more specifically, the effect called time dilation, at the smallest scale ever, showing that two tiny atomic clocks, separated by just a millimeter ...
General Physics
Feb 16, 2022
53
2317
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
It is almost always assumed in cosmological calculations that there is a even distribution of matter in the universe. This is because the calculations would be much too complicated if the position of every single star were ...
General Physics
Dec 6, 2021
23
1193
Albert Einstein's handwritten notes for the theory of relativity fetched a record 11.6 million euros ($13 million) at an auction in Paris on Tuesday.
General Physics
Nov 23, 2021
0
393
Albert Einstein's handwritten notes for the theory of relativity are being auctioned in Paris on Tuesday, expected to fetch millions of euros.
General Physics
Nov 23, 2021
0
6
The announcement that the Laser Interferometer Gravitational-wave Observatory (LIGO) had detected gravitational waves during the merger of two black holes sent ripples throughout the scientific community in 2016. The earthshaking ...
General Physics
Nov 10, 2021
1
162
Small modeling errors may accumulate faster than previously expected when physicists combine multiple gravitational wave events (such as colliding black holes) to test Albert Einstein's theory of general relativity, suggest ...
General Physics
Jun 16, 2021
3
568
This extraordinary image from the NASA/ESA Hubble Space Telescope of the galaxy cluster Abell 2813 (also known as ACO 2813) has an almost delicate beauty, which also illustrates the remarkable physics at work within it. The ...
Astronomy
Apr 18, 2021
7
4006
A remarkable prediction of Einstein's theory of general relativity—the theory that connects space, time, and gravity—is that rotating black holes have enormous amounts of energy available to be tapped.
General Physics
Jan 13, 2021
5
3010
