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Nuclear energy

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Energy that originates from the splitting of uranium atoms in a process called fission. This is distinct from a process called fusion where energy is released when atomic nuclei combine or fuse.

Nat Fisch Wins Europe's Alfvén Prize

The European Physical Society (EPS) has named physicist Nat Fisch winner of the 2015 Hannes Alfvén Prize. Fisch, director of the Princeton Program in Plasma Physics and professor and associate chair of astrophysical sciences at Princeton University, will receive the honor in June at the at the annual meeting of the EPS Division of Plasma Physics in Lisbon, Portugal.

PPPL and General Atomics scientists make breakthrough in understanding how to control intense heat bursts in fusion experiments

Researchers from General Atomics and the U.S. Department of Energy’s Princeton Plasma Physics Laboratory (PPPL) have made a major breakthrough in understanding how potentially damaging heat bursts inside a fusion reactor can be controlled. Scientists performed the experiments on the DIII-D National Fusion Facility, a tokamak operated by General Atomics in San Diego. The findings represent a key step in predicting how to control heat bursts in future fusion facilities including ITER, an international experiment under construction in France to demonstrate the feasibility of fusion energy.

Engineer Russ Feder leads development of diagnostic tools for US ITER as physicist Dave Johnson shifts to part-time work

In a rare transition, engineer Russ Feder has stepped into a management job that a distinguished physicist last held. Feder leads PPPL’s development of all diagnostic tools for US ITER, which manages U.S. contributions to the international ITER experiment, succeeding physicist Dave Johnson in that role. “I’m excited to keep the momentum going and proud to be part of our strong team,” Feder said.  “I also recognize the tough challenges of the job and will need the help of our team and the U.S. diagnostics community to be successful.”

Engineer Russ Feder leads development of diagnostic tools for US ITER as physicist Dave Johnson shifts to part-time work

In a rare transition, engineer Russ Feder has stepped into a management job that a distinguished physicist last held. Feder leads PPPL’s development of all diagnostic tools for US ITER, which manages U.S. contributions to the international ITER experiment, succeeding physicist Dave Johnson in that role. “I’m excited to keep the momentum going and proud to be part of our strong team,” Feder said.  “I also recognize the tough challenges of the job and will need the help of our team and the U.S. diagnostics community to be successful.”

Panel ensures safe operation of the $94 million NSTX Upgrade

Like a new passenger jet or power plant, the National Spherical Torus Upgrade (NSTX-U) must be certified safe to operate. At the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL), the task of evaluating the safety of the $94 million upgrade belongs to the Activity Certification Committee (ACC), whose work remains ongoing. “This is a critical group,” said Adam Cohen, deputy director for operations at the Laboratory. “When you have a complex activity like the upgrade you need a standing committee to guarantee that it will run safely.”

Hong Qin promoted to executive dean at the University of Science and Technology of China

Hong Qin bestrides the globe as a leading scientist and educator. For the past four years he has shuttled between PPPL and a teaching post at the University of Science and Technology of China (USTC), which named him executive dean of its School of Nuclear Science and Technology in October. Hong takes up the position while maintaining his agenda as a principal research physicist in the PPPL Theory Department and his teaching in the Program in Plasma Physics at Princeton University, where he is a lecturer with the rank of professor in the Department of Astrophysical Sciences.

Hong Qin promoted to executive dean at the University of Science and Technology of China

Hong Qin bestrides the globe as a leading scientist and educator. For the past four years he has shuttled between PPPL and a teaching post at the University of Science and Technology of China (USTC), which named him executive dean of its School of Nuclear Science and Technology in October. Hong takes up the position while maintaining his agenda as a principal research physicist in the PPPL Theory Department and his teaching in the Program in Plasma Physics at Princeton University, where he is a lecturer with the rank of professor in the Department of Astrophysical Sciences.

Monumental effort: How a dedicated team completed a massive beam-box relocation for the NSTX upgrade

Your task: Take apart, decontaminate, refurbish, relocate, reassemble, realign and reinstall a 75-ton neutral beam box that will add a second beam box to the National Spherical Torus Experiment-Upgrade (NSTX-U) and double the experiment’s heating power. Oh, and while you’re at it, hoist the two-story tall box over a 22-foot wall.

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