Using plasma to control microwaves for beaming direct energy toward a specific point is explored for their durability in high-energy electric fields and their reconfigurable structure. High power microwave beams, similar ...
Plasma Physics
Apr 7, 2020
1
133
Type III bursts are among the strongest radio signals routinely observed by both space-borne and ground-based instruments. They are generated via the plasma emission mechanism, when beams of suprathermal electrons interact ...
Astronomy
Apr 1, 2020
4
113
Scientists seeking to bring the fusion that powers the sun and stars to Earth must deal with sawtooth instabilities—up-and-down swings in the central pressure and temperature of the plasma that fuels fusion reactions, similar ...
Plasma Physics
Mar 31, 2020
4
878
A team of researchers from Russia and Greece reports a way to determine the origins and nature of quasar light by its polarization. The new approach is analogous to the way cinema glasses produce a 3-D image by feeding each ...
Astronomy
Mar 13, 2020
18
303
A key hurdle facing fusion devices called stellarators—twisty facilities that seek to harness on Earth the fusion reactions that power the sun and stars—has been their limited ability to maintain the heat and performance ...
Plasma Physics
Feb 25, 2020
4
718
Aero/Astro engineer Ken Hara is developing computer models to help make a little-known, but widely-used thruster engine more suitable for long-distance missions.
Space Exploration
Feb 21, 2020
112
734
All animal cells have an organelle called a centrosome, which is essential to the organization of their cell skeleton. The centrosome plays fundamental roles, especially during cell division, where it allows equal sharing ...
Molecular & Computational biology
Feb 20, 2020
0
199
Researchers from Drexel University have found a way to destroy stubbornly resilient toxic compounds, ominously dubbed "forever chemicals," that have contaminated the drinking water of millions across the United States.
Environment
Feb 11, 2020
0
84
Scientists from the PTB and the Max Planck Institute for Nuclear Physics (MPIK), both Germany, have carried out pioneering optical measurements of highly charged ions with unprecedented precision. To do this, they isolated ...
Optics & Photonics
Jan 29, 2020
0
441
A new study at the University of Georgia has found a way to attack cancer cells that is potentially less harmful to the patient. Sodium chloride nanoparticles—more commonly known as salt—are toxic to cancer cells and ...
Bio & Medicine
Jan 8, 2020
0
335
