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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.

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.

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.

Nat Fisch receives Fusion Power Associates’ Distinguished Career Award

Nat Fisch, associate director for academic affairs at the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory  (PPPL), and professor of astrophysical sciences and director of the Program in Plasma Physics at Princeton University, has received a 2018 Distinguished Career Award from Fusion Power Associates (FPA). The FPA is a research and educational foundation that provides students, media and the public with information about the status of fusion development and other applications of plasma science.

Nat Fisch receives Fusion Power Associates’ Distinguished Career Award

Nat Fisch, associate director for academic affairs at the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory  (PPPL), and professor of astrophysical sciences and director of the Program in Plasma Physics at Princeton University, has received a 2018 Distinguished Career Award from Fusion Power Associates (FPA). The FPA is a research and educational foundation that provides students, media and the public with information about the status of fusion development and other applications of plasma science.

Internationally renowned physicist Joel Hosea remembered for a 50-year career that encompassed much of PPPL’s history

The story of Joel Hosea’s career is the story of PPPL. The Laboratory, founded as Project Matterhorn in 1951, had only been called the Princeton Plasma Physics Laboratory (PPPL) for seven years when Hosea began work there in 1968. He worked at many of the Laboratory’s major experiments and devoted his 50-year career to research at PPPL and around the world. 

Hosea died on Aug. 25, just a day after beginning treatment at the Mayo Clinic in Minnesota. He was 79. 

Internationally renowned physicist Joel Hosea remembered for a 50-year career that encompassed much of PPPL’s history

The story of Joel Hosea’s career is the story of PPPL. The Laboratory, founded as Project Matterhorn in 1951, had only been called the Princeton Plasma Physics Laboratory (PPPL) for seven years when Hosea began work there in 1968. He worked at many of the Laboratory’s major experiments and devoted his 50-year career to research at PPPL and around the world.

Hosea died on Aug. 25, just a day after beginning treatment at the Mayo Clinic in Minnesota. He was 79.

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