In hypersonic flight, an aircraft or spacecraft moves at least five times faster than the speed of sound—producing extreme heat that can push the craft beyond its physical limits. The difficulty and importance of protecting ...
Space Exploration
Oct 18, 2022
0
24
To assess damage caused to the ozone layer by charged particles in space that surround the Earth, an international team of researchers from Japan, the United States, and Canada studied a type of aurora called an "isolated ...
Planetary Sciences
Oct 12, 2022
0
58
Type-I ELM plasma instabilities can melt the walls of fusion devices. A team of researchers from the Max Planck Institute for Plasma Physics (IPP) and the Vienna University of Technology (TU Wien) found a way to get them ...
Plasma Physics
Oct 11, 2022
0
442
Researchers at the John Innes Centre and partners at the Chinese Academy of Sciences have identified a molecular switch that establishes differential cell growth and organ shape.
Plants & Animals
Oct 3, 2022
0
234
Galaxies, including our Milky Way, host supermassive black holes in their centers, and their masses are millions to billions of times larger than the sun. Some supermassive black holes launch fast-moving plasma outflows which ...
Astronomy
Sep 30, 2022
0
485
Understanding the unpredictable behaviors of ocean waves can be a matter of survival for seafarers. Deep-water wave groups have been known to be unstable and become rogue, causing unsuspecting boats to tip over.
General Physics
Sep 29, 2022
0
6
In fusion power generation, it is essential that the high-energy particles generated by a fusion reaction in hot plasma heat it to sustain further fusion reactions. The key to this self-heating of the plasma is whether it ...
Plasma Physics
Sep 28, 2022
0
43
Physicists at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) have proposed the source of the sudden and puzzling collapse of heat that precedes disruptions that can damage doughnut-shaped ...
Plasma Physics
Sep 27, 2022
0
1227
Why do some materials carry electrical currents without any resistance only when cooled to near absolute zero while others do so at comparatively high temperatures? This key question continues to vex scientists studying the ...
Superconductivity
Sep 22, 2022
0
87
It may be hard to imagine that the debris of violent heavy ion collisions—which dissolve the boundaries of protons and neutrons and produce thousands of new particles—can be used to gain detailed insight into the properties ...
General Physics
Sep 22, 2022
0
15
