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
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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
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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
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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
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15
An international team of scientists has uncovered a new method for advancing the development of fusion energy through increased understanding of the properties of warm dense matter, an extreme state of matter similar to that ...
Plasma Physics
Sep 19, 2022
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343
Over the past few decades, physicists and engineers have been trying to create increasingly compact laser-plasma accelerators, a technology to study matter and particle interactions produced by interactions between ultrafast ...
For decades, scientists have been trying to solve a vexing problem regarding the weather in outer space: At unpredictable times, high-energy particles bombard the Earth and objects outside the Earth's atmosphere with radiation ...
Space Exploration
Sep 13, 2022
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164
The strong terahertz (THz) waves generated by femtosecond laser pulse induced gas plasma have drawn extensive attention owing to the ultra-wide spectral bandwidth, the high electric field strength, and no material damage ...
Optics & Photonics
Sep 9, 2022
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44
A team of researchers affiliated with multiple institutions in South Korea working with two colleagues from Princeton University and one from Columbia University has achieved a new milestone in the development of fusion as ...
What is the connection between boron, an element in a common household cleaner, and tokamaks, ring-shaped fusion facilities that heat fuel to million-degree temperatures? Scientists at the U.S. Department of Energy's (DOE) ...
Plasma Physics
Aug 30, 2022
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