A lone molecule free in cold space will cool by slowing down its rotation—it will spontaneously lose its rotational energy in quantum transitions, typically only once in many seconds. This process can be accelerated, slowed ...
Quantum Physics
May 9, 2022
0
195
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
Engineers have successfully transferred digitally encoded information wirelessly using nuclear radiation instead of conventional technology.
General Physics
Nov 10, 2021
1
1469
For nearly a century, improvement in human healthcare has depended heavily on the efficiency with which we can treat bacterial diseases. But today, antibiotic resistance—the ability of certain mutant super-bacteria to block ...
Environment
Mar 3, 2021
0
7
Accelerator experts from the Helmholtz-Zentrum Berlin (HZB), the German federal metrology institute Physikalisch-Technische Bundesanstalt (PTB) and Tsinghua University in Beijing have used a laser to manipulate electron bunches ...
General Physics
Feb 24, 2021
0
32
To predict when earthquakes are likely to occur, seismologists often use statistics to monitor how clusters of seismic activity evolve over time. However, this approach often fails to anticipate the time and magnitude of ...
Earth Sciences
Jan 25, 2021
0
6
The MIAMI-2—Microscopes and Ion Accelerators for Materials Investigations—facility has helped Dr. Matheus Tunes investigate a new alloy that will harden aluminum without increasing its weight significantly.
Materials Science
Dec 7, 2020
1
41
Crystals are ubiquitous: most metals, for example, are crystalline. Known for the almost perfect organization of their atoms, crystals nonetheless always contain imperfections, which are called defects. The concentration ...
Nanomaterials
Oct 2, 2020
0
27
A multi-institution team has used positron beams to probe the nature of radiation effects, providing new insight into how damage is produced in iron films. This exploration can improve the safety of materials used in nuclear ...
Materials Science
Jul 30, 2020
0
71
Imagine taking movies of the fastest chemical processes, or imaging atomic-scale detail of single virus particles without damaging them. Researchers from Japan have advanced the state-of-the-art in such endeavors, by enhancing ...
Optics & Photonics
Jul 8, 2020
0
1
