Ultrafast X-ray pulses force atoms to give up their electronic secrets
A new spectroscopy technique developed by RIKEN researchers could help reveal the inner workings of metal catalysts and the proteins involved in photosynthesis in plants.
A new spectroscopy technique developed by RIKEN researchers could help reveal the inner workings of metal catalysts and the proteins involved in photosynthesis in plants.
Optics & Photonics
Oct 26, 2023
0
170
UCLA scientists have discovered a new source of super-fast, energetic electrons raining down on Earth, a phenomenon that contributes to the colorful aurora borealis but also poses hazards to satellites, spacecraft and astronauts.
Planetary Sciences
Mar 30, 2022
8
1482
The space environment around Earth is characterized by interactions between Earth's magnetic field and nearby plasma. A key physical process in these interactions is magnetic reconnection, in which two adjacent field lines ...
Earth Sciences
Feb 16, 2021
0
105
In a study published in Nature Astronomy, an international team of researchers has presented a new, detailed look inside the "central engine" of a large solar flare accompanied by a powerful eruption first captured on Sept. ...
Astronomy
Jul 27, 2020
30
1229
Scientists at the University of New Hampshire have unlocked one of the mysteries of how particles from flares on the sun accumulate at early stages in the energization of hazardous radiation that is harmful to astronauts, ...
Space Exploration
Feb 3, 2020
1
30
Strange ribbons of purple light that appeared in the sky—known as Steve—became the subject of debate in 2017, as their origins were unbeknown to scientists. Now, photographs of this remarkable phenomena have been studied ...
Earth Sciences
Nov 29, 2019
4
744
The celestial phenomenon known as STEVE is likely caused by a combination of heating of charged particles in the atmosphere and energetic electrons like those that power the aurora, according to new research. In a new study, ...
Earth Sciences
Apr 25, 2019
2
496
Researchers have investigated wave-particle interactions between energetic electrons and chorus waves evolving in the space surrounding the Earth using the scientific satellite Arase and, simultaneously, transient auroral ...
General Physics
Feb 5, 2019
0
133
Scientists found that relatively slow electrons are produced when intense lasers interact with small clusters of atoms, upturning current theories.
General Physics
Aug 9, 2018
0
130
Theoretical physicists used simulations to explain the unusual readings collected in 2009 by the Mercury Surface, Space Environment, Geochemistry, and Ranging (MESSENGER) mission. The origin of energetic electrons detected ...
Plasma Physics
Apr 17, 2018
26
315