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Fusion energy

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The energy released when two atomic nuclei fuse together. This process powers the sun and stars.  Read more

Stewart Prager

Stewart Prager was the sixth director of PPPL. He joined the Laboratory in 2009 after a long career at the University of Wisconsin in Madison. At Wisconsin, he led research on the “Madison Symmetric Torus” (MST) experiment and headed a center that studied plasmas in both the laboratory and the cosmos. He also co-discovered the “bootstrap current” there—a key finding that has influenced the design of today’s tokamaks. He earned his PhD in plasma physics from Columbia University.

“The Renaissance of the Stellarator” is unveiled at first 2021 Science on Saturday lecture

The twisty plasma fusion device known as the stellarator was first envisioned by Lyman Spitzer, the founder of the Princeton Plasma Physics Laboratory (PPPL), 70 years ago as a way to harness the energy of the stars in a bottle. Now, the concept of using stellarators as a clean, affordable and abundant way to produce electricity is making a comeback, physicist David Gates said at PPPL’s first Ronald E. Hatcher Science on Saturday lecture of the year on Jan. 9.

Renowned fusion laboratory honors pioneering physicist Richard J. Hawryluk

For more than 40 years Rich Hawryluk has been a guiding light and solver of nearly intractable problems at PPPL. His countless accomplishments have supported and enhanced the role of the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) as the center of world-class research on harvesting on Earth the fusion energy that powers the sun and stars. 

Renowned fusion laboratory honors pioneering physicist Richard J. Hawryluk

For more than 40 years Rich Hawryluk has been a guiding light and solver of nearly intractable problems at PPPL. His countless accomplishments have supported and enhanced the role of the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) as the center of world-class research on harvesting on Earth the fusion energy that powers the sun and stars. 

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