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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.

Team led by PPPL wins major time on supercomputers to study the complex edge of fusion plasmas

he U.S. Department of Energy (DOE) has awarded major computer hours on three leading supercomputers, including the world’s fastest, to a team led by C.S. Chang of the DOE’s Princeton Plasma Physics Laboratory (PPPL). The team is addressing issues that must be resolved for successful operation of ITER, the international experiment under construction in France to demonstrate the feasibility of producing fusion energy — the power that drives the sun and stars — in a magnetically controlled fusion facility called a “tokamak.”

Team led by PPPL wins major time on supercomputers to study the complex edge of fusion plasmas

The U.S. Department of Energy (DOE) has awarded major computer hours on three leading supercomputers, including the world’s fastest, to a team led by C.S. Chang of the DOE’s Princeton Plasma Physics Laboratory (PPPL). The team is addressing issues that must be resolved for successful operation of ITER, the international experiment under construction in France to demonstrate the feasibility of producing fusion energy — the power that drives the sun and stars — in a magnetically controlled fusion facility called a “tokamak.”

Steve Cowley: The knight who leads the Lab has “the most fun job”

“It’s just all been fun, and this is the most fun job I’ve ever had,” Steve Cowley says of his much-decorated career and his new position, which he assumed July 1, as the seventh director of the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) — the place where the British-born physicist earned his doctorate and that he calls “the most important fusion laboratory in the world.”

Knighted in October 

From the cosmos to fusion plasmas, PPPL presents findings at global APS gathering

More than 135 researchers and students from the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) presented their latest findings at the 60th annual meeting of the American Physical Society Division of Plasma Physics — a worldwide gathering focused on fundamental plasma science research and discoveries. Some 1,700 participants from more than two dozen countries joined the November 5-to-9 event in Portland, Oregon, presenting posters and talks on topics ranging from astrophysical plasmas to nanotechnology to magnetic confinement fusion experiments.

New simulations confirm efficiency of waste-removal process in plasma device

Just as fire produces ash, the combining of light elements in fusion reactions can produce material that eventually interferes with those same reactions. Now, scientists at the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) have found evidence suggesting that a process could remove the unwanted material and make the fusion processes more efficient within a type of fusion facility known as a field-reversed configuration (FRC) device.

New simulations confirm efficiency of waste-removal process in plasma device

Just as fire produces ash, the combining of light elements in fusion reactions can produce material that eventually interferes with those same reactions. Now, scientists at the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) have found evidence suggesting that a process could remove the unwanted material and make the fusion processes more efficient within a type of fusion facility known as a field-reversed configuration (FRC) device.

Princeton Plasma Physics Laboratory designated an historic mechanical engineering site

The American Society of Mechanical Engineers (ASME) on Oct. 5 presented the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) with an engraved plaque designating the Laboratory an ASME historic mechanical engineering landmark for its achievements in the quest to develop magnetically controlled fusion energy. The ASME, which “promotes the art, science and practice of multidisciplinary engineering and allied sciences around the globe,” recognized  the Laboratory for its entire body of mechanical engineering achievements since 1951.

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