Window glass, at the microscopic level, shows a strange mix of properties. Like a liquid, its atoms are disordered, but like a solid, its atom are rigid, so a force applied to one atom causes all of them to move.
Condensed Matter
Sep 6, 2023
0
210
Scientists have used data from the Southwest Research Institute-led Magnetospheric Multiscale (MMS) mission to explain the presence of energetic heavy elements in galactic cosmic rays (GCRs). GCRs are composed of fast-moving ...
Astronomy
Jul 6, 2021
21
2562
The temporary breakdown of Earth's magnetic field 42,000 years ago sparked major climate shifts that led to global environmental change and mass extinctions, a new international study co-led by UNSW Sydney and the South Australian ...
Earth Sciences
Feb 18, 2021
40
11619
A new study led by ANU has created a 3D map of the magnetic field in a small wedge of the Milky Way galaxy, paving the way for future discoveries that will improve our understanding of the origin and evolution of the Universe.
Astronomy
Mar 15, 2019
242
1310
The center of our Galaxy has been intensely studied for many years, but it still harbors surprises for scientists. A snake-like structure lurking near our galaxy's supermassive black hole is the latest discovery to tantalize ...
Astronomy
Dec 20, 2017
15
877
In 2016, researchers published "slam dunk" evidence, based on iron-60 isotopes in ancient seabed, that supernovae buffeted the Earth—one of them about 2.6 million years ago. University of Kansas researcher Adrian Melott, ...
Astronomy
May 11, 2017
2
489
The discovery of a 'left-handed' magnetic field that pervades the universe could help explain a long standing mystery – the absence of cosmic antimatter. A group of scientists, led by Prof Tanmay Vachaspati from Arizona ...
Astronomy
May 14, 2015
16
404
Stars form when gravity pulls together material within giant clouds of gas and dust. But gravity isn't the only force at work. Both turbulence and magnetic fields battle gravity, either by stirring things up or by channeling ...
Astronomy
Mar 30, 2015
30
1105
The generation of cosmic magnetic fields has long intrigued astrophysicists. Since it was first described in 1959, a phenomenon known as Weibel filamentation instability—a plasma instability present in homogeneous or nearly ...
General Physics
Jan 22, 2015
16
1043
Astrophysicists have established that cosmic turbulence could have amplified magnetic fields to the strengths observed in interstellar space.
General Physics
Jun 1, 2014
27
0
