Why the temperatures in the solar wind are almost the same in certain directions, and why different energy densities are practically identical, was until now not clear.
General Physics
Nov 15, 2011
0
0
When atomic nuclei such as gold or lead nuclei collide at high energy in particle colliders, they can produce quark–gluon plasma (QGP)—a hot and dense state of matter predicted to have existed shortly after the Big Bang. ...
General Physics
Apr 3, 2023
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118
You don't need to stand in front of a rifle to see the same physics of resistance in action – you can see it through everyday activities like riding your bike, or hopping in your car, or less everyday activities like going ...
General Physics
Mar 24, 2017
1
19
(Phys.org)—This morning CERN completed the first LHC proton run. The remarkable first three-year run of the world's most powerful particle accelerator was crowned by a new performance milestone. The space between proton ...
General Physics
Dec 17, 2012
1
0
CERN's Large Hadron Collider (LHC) is famous for colliding protons at world-record energies—but sometimes it pays to dial down the energy and see what happens under less extreme conditions. The LHC started operation in ...
General Physics
Apr 30, 2021
2
560
Scientists in the STAR collaboration at the Relativistic Heavy Ion Collider (RHIC)—an atom smasher at the U.S. Department of Energy's Brookhaven National Laboratory—have published a comprehensive analysis aimed at determining ...
General Physics
Dec 19, 2022
0
326
The higher the collision energy of particles, the more interesting the physics. Scientists from the Institute of Nuclear Physics of the Polish Academy of Sciences in Cracow have found further confirmation of this assumption, ...
General Physics
Oct 7, 2019
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19
(Phys.org) -- New research, led by University of Warwick physicist Dr Kareem Osman, has provided significant insight into how the solar wind heats up when it should not. The solar wind rushes outwards from the raging inferno ...
Space Exploration
Aug 17, 2012
4
0
Cosmic rays are particles from outer space, typically protons, travelling at almost the speed of light. When the most energetic of these particles strike the atmosphere of our planet, they interact with atomic nuclei in the ...
General Physics
Nov 11, 2019
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29
Light-by-light scattering is a rare phenomenon in which two photons—particles of light—interact, producing another pair of photons. Direct observation of this process at high energy had proven elusive for decades, until ...
General Physics
Jun 19, 2020
0
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