In the race to avoid runaway climate change, two renewable energy technologies are being pushed as the solution to powering human societies: wind and solar. But for many years, wind turbines have been on a collision course ...
Ecology
Apr 20, 2022
0
139
(Phys.org)—High-speed video of projectiles slamming into a bed of disks has given scientists a new microscopic picture of the way a meteorite or missile transfers the energy of its impact to sand and dirt grains.
General Physics
Dec 11, 2012
9
0
Light-by-light scattering is a very rare phenomenon in which two photons interact, producing another pair of photons. This process was among the earliest predictions of quantum electrodynamics (QED), the quantum theory of ...
General Physics
Mar 20, 2019
0
856
The Large Hadron Collider, the world's largest scientific experiment, is due to restart this month after two years of downtime for maintenance and upgrading. There's no doubt that having played its role in the discovery of ...
General Physics
Mar 12, 2015
4
70
In the Large Hadron Collider (LHC), proton and lead beams travel close to the speed of light. They carry a strong electromagnetic field that acts like a flux of photons as the beam moves through the accelerator. When the ...
General Physics
Jul 14, 2023
1
109
The existence of dark matter is a long-standing puzzle in our universe. Dark matter makes up about a quarter of our universe, yet it does not interact significantly with ordinary matter.
Astronomy
Nov 27, 2023
6
68
A space-based system that relies on lasers to generate and deliver energy to spacecraft has won a University of Alabama in Huntsville (UAH) professor a U.S. patent and could become a first-line defense against asteroids on ...
Engineering
Jun 9, 2015
1
140
Protons are known to contain quarks and gluons. But are gluons behaving as expected?
General Physics
Feb 9, 2018
0
34
Physicists analyzing data from gold ion smashups at the Relativistic Heavy Ion Collider (RHIC), a U.S. Department of Energy (DOE) Office of Science user facility for nuclear physics research at DOE's Brookhaven National Laboratory, ...
General Physics
Jun 2, 2023
0
469
Protons to the right, ions to the left: the basic principle of proton-ion collisions at the LHC might seem straightforward. However, this is an almost unprecedented mode of collider operation, certainly unique at the energy ...
General Physics
Sep 27, 2012
0
1
