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Plasma Physics news
First demonstration of predictive control of fusion plasma by digital twin
Fusion energy is being developed as a solution to global energy problems. In particular, the magnetic confinement method, in which ultra-high temperature plasma is confined by a magnetic field, is the most advanced and is ...
Plasma Physics
Jan 26, 2024
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New design improves water decontamination via plasma jet
Plasma is an ionized gas—that is, a gas containing electrons, ions, atoms, molecules, radicals, and photons. It is often called the fourth state of matter, and surprisingly, it permeates everything. Plasmas, which are artificially ...
Plasma Physics
Jan 24, 2024
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Liquid lithium on the walls of a fusion device helps the plasma within maintain a hot edge
Emerging research suggests it may be easier to use fusion as a power source if liquid lithium is applied to the internal walls of the device housing the fusion plasma.
Plasma Physics
Jan 23, 2024
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Researchers visualize energetic ion flow in fusion devices
In a burning plasma, maintaining confinement of fusion-produced energetic ions is essential to producing energy. These fusion plasmas host a wide array of electromagnetic waves that can push energetic ions out of the plasma.
Plasma Physics
Jan 16, 2024
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Process for the optical analysis of trace gases optimized
Laser-based absorption spectroscopy is an important method for determining the concentration of gas components in a sample. Modern devices are highly specialized for detecting very specific gases, such as trace gases in the ...
Optics & Photonics
Jan 9, 2024
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New code developed for tokamak plasma rotation and transport analysis
A team led by Prof. Lyu Bo and Dr. Bae Cheonho from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences has developed a new code to analyze the multi-fluid plasma rotation and transport properties ...
Plasma Physics
Jan 4, 2024
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Korean artificial sun, KSTAR, completes divertor upgrades for long pulse operations
The Korean artificial sun, KSTAR, has completed divertor upgrades, allowing it to operate for extended periods sustaining high-temperature plasma over 100 million degrees.
Plasma Physics
Dec 29, 2023
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Newly developed material gulps down hydrogen, spits it out, protects fusion reactor walls
University of Wisconsin–Madison engineers have used a spray coating technology to produce a new workhorse material that can withstand the harsh conditions inside a fusion reactor.
General Physics
Dec 14, 2023
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Physicist explains X-rays that shouldn't exist in 'cold' plasma
For about 20 years, Caltech Professor of Applied Physics Paul Bellan and his group have been creating magnetically accelerated jets of plasma, an electrically conducting gas composed of ions and electrons, in a vacuum chamber ...
Plasma Physics
Dec 5, 2023
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Collisions change how fast ions surf on plasma waves in fusion experiments and beyond
Just like there are waves in the ocean, waves can also occur in an electrically charged gas called a plasma, made up of electrons and ions. In the ocean, people surf by riding their boards at nearly the same speed as the ...
Plasma Physics
Dec 4, 2023
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Shrinking particle accelerators with cold plasma and a large picnic basket
Twenty-five feet below ground, SLAC National Accelerator Laboratory scientist Spencer Gessner opens a large metal picnic basket. This is not your typical picnic basket filled with cheese, bread and fruit—it contains screws, ...
General Physics
Dec 1, 2023
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An anomalous relativistic emission arising from the intense interaction of lasers with plasma mirrors
Interactions between intense laser pulses and plasma mirrors have been the focus of several recent physics studies due to the interesting effects they produce. Experiments have revealed that these interactions can generate ...
Japanese experimental nuclear fusion reactor inaugurated
The world's biggest experimental nuclear fusion reactor in operation was inaugurated in Japan on Friday, a technology in its infancy but billed by some as the answer to humanity's future energy needs.
General Physics
Dec 1, 2023
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New study shows how universities are critical to emerging fusion industry
A new study suggests that universities have an essential role to fulfill in the continued growth and success of any modern high-tech industry, and especially the nascent fusion industry; however, the importance of that role ...
Plasma Physics
Nov 30, 2023
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Compact accelerator technology achieves major energy milestone
Particle accelerators hold great potential for semiconductor applications, medical imaging and therapy, and research in materials, energy and medicine. But conventional accelerators require plenty of elbow room—kilometers—making ...
Optics & Photonics
Nov 28, 2023
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The LHC lead-ion collision run starts
The LHC is back delivering collisions to the experiments after the successful leak repair in August. But instead of protons, it is now the turn of lead ion beams to collide, marking the first heavy-ion run in five years.
General Physics
Sep 28, 2023
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A breakthrough discovery could accelerate the arrival of controlled fusion energy on Earth
Researchers led by Chang Liu of PPPL have unveiled a promising approach to mitigating damaging runaway electrons created by disruptions in tokamak fusion devices. Key to the approach was harnessing a unique type of plasma ...
Plasma Physics
Sep 28, 2023
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Machine learning hunts for the right mix of hydrogen isotopes for future nuclear fusion power plants
The process that powers the stars—nuclear fusion—is proposed as a future power source for humanity and could provide clean and renewable energy free of the radioactive waste associated with current nuclear fission plants.
Plasma Physics
Sep 1, 2023
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Elucidating the mechanism of protective layers on fusion reactors that resist peeling
Fusion reactors, fast breeder reactors, and solar thermal power plants are being developed as power plants with low environmental impact and no resource constraints. Since these power plants operate at high temperature with ...
Plasma Physics
Aug 25, 2023
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Scientists discover shortcut that aids the design of twisty fusion facilities
Scientists have found a mathematical shortcut that could help harness fusion energy, a potential source of clean electricity that could mitigate floods, heat waves, and other rising effects of climate change. The method allows ...
Plasma Physics
Aug 17, 2023
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