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    nuclear fusion tagged posts

    Laser-Heated Nanowires produce Micro-scale Nuclear Fusion

    March 17, 2018, Categories  Physics, Technology/Electronics

    This is the target chamber (front) and ultra-high intensity laser (back) used in the micro-scale fusion experiment at Colorado State University. Credit: Advanced Beam Laboratory/Colorado State University

    This is the target chamber (front) and ultra-high intensity laser (back) used in the micro-scale fusion experiment at Colorado State University. Credit: Advanced Beam Laboratory/Colorado State University

    Record-setting efficiency for generation of neutrons. Nuclear fusion, the process that powers our sun, happens when nuclear reactions between light elements produce heavier ones. It’s also happening – at a smaller scale – in a Colorado State University laboratory. Using a compact but powerful laser to heat arrays of ordered nanowires, CSU scientists and collaborators have demonstrated micro-scale nuclear fusion in the lab. They have achieved record-setting efficiency for the generation of neutrons – chargeless sub-atomic particles resulting from the fusion process.

    Laser-driven controlled ...

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    Alcator C-Mod Tokamak Nuclear Fusion reactor sets World Record on final day of operation

    October 15, 2016, Categories  Physics, Technology/Electronics

    The interior of the fusion experiment Alcator C-Mod at MIT recently broke the plasma pressure record for a magnetic fusion device. The interior of the donut-shaped device confines plasma hotter than the interior of the sun, using high magnetic fields. Postdoc Ted Golfinopoulos, shown here, is performing maintenance between plasma campaigns. Photo: Bob Mumgaard/Plasma Science and Fusion Center

    The interior of the fusion experiment Alcator C-Mod at MIT recently broke the plasma pressure record for a magnetic fusion device. The interior of the donut-shaped device confines plasma hotter than the interior of the sun, using high magnetic fields. Postdoc Ted Golfinopoulos, shown here, is performing maintenance between plasma campaigns. Photo: Bob Mumgaard/Plasma Science and Fusion Center

    On Friday, Sept. 30, at 9:25 p.m. EDT, scientists and engineers at MIT’s Plasma Science and Fusion Center made a leap forward in the pursuit of clean energy. The team set a new world record for plasma pressure in the Institute’s Alcator C-Mod tokamak nuclear fusion reactor...

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    Tiny, Ancient Galaxy Preserves Record of Catastrophic Event

    March 22, 2016, Categories  Astronomy/Space

    This is an image of Reticulum II obtained by the Dark Energy Survey, using the Blanco 4-meter telescope at Cerro Tololo Inter-American Observatory. The nine stars described in the paper are circled in red. The insets show the very strong presence of barium, one of the main neutron capture elements the team observed, in three stars. Background image is courtesy of Dark Energy Survey/Fermilab. Foreground image is courtesy of Alexander Ji, Anna Frebel, Anirudh Chiti, and Josh Simon. Credit: Background image is courtesy of Dark Energy Survey/Fermilab. Foreground image is courtesy of Alexander Ji, Anna Frebel, Anirudh Chiti, and Josh Simon.

    This is an image of Reticulum II obtained by the Dark Energy Survey, using the Blanco 4-meter telescope at Cerro Tololo Inter-American Observatory. The nine stars described in the paper are circled in red. The insets show the very strong presence of barium, one of the main neutron capture elements the team observed, in three stars. Background image is courtesy of Dark Energy Survey/Fermilab. Foreground image is courtesy of Alexander Ji, Anna Frebel, Anirudh Chiti, and Josh Simon. Credit: Background image is courtesy of Dark Energy Survey/Fermilab. Foreground image is courtesy of Alexander Ji, Anna Frebel, Anirudh Chiti, and Josh Simon.

    The lightest few elements in the periodic table formed minutes after the Big Bang...

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    New Phenomenon of Abrupt Excitation of Fluctuations in high-temperature plasma

    January 13, 2016, Categories  Physics, Technology/Electronics

    Figure 2: This shows the restoring force against the growth of fluctuations. When the amplitude is lower than the threshold value, the amplitude approaches zero and is stable (black). Separating from the center, when the amplitude exceeds the threshold value, the amplitude abruptly grows red. Credit: National Institutes of Natural Sciences

    Figure 2: This shows the restoring force against the growth of fluctuations. When the amplitude is lower than the threshold value, the amplitude approaches zero and is stable (black). Separating from the center, when the amplitude exceeds the threshold value, the amplitude abruptly grows red. Credit: National Institutes of Natural Sciences

    In the Large Helical Device (LHD) at the National Institute for Fusion Science in Japan, researchers have developed the high-energy heavy ion beam probe, in order to perform potential measurement inside plasma that was generated in the LHD and have clarified the mechanism of this new phenomenon.

    Seeking to achieve nuclear fusion, research on plasma of >100,000,000 C is being conducted around the world...

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