Blog Archives

Stewart Prager, PPPL Director, Testifies Before U.S. House Subcommittee on Energy

Written Testimony of Stewart Prager, Director, Princeton Plasma Physics Laboratory, Professor of Astrophysical Sciences, Princeton University Delivered to the Committee on Science, Space and Technology Subcommittee on Energy For the hearing on April 20, 2016 Read more

25. April 2016 by Christopher Cane
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Princeton graduate student Imène Goumiri creates computer program that helps stabilize fusion plasmas

Imène Goumiri, a Princeton University graduate student, has worked with physicists at the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) to simulate a method for limiting instabilities that reduce the performance of fusion plasmas. The more instabilities … Continue reading

21. April 2016 by Christopher Cane
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PPPL scientists help test innovative device to improve efficiency of tokamaks

Scientists at the U.S. Department of Energy’s Princeton Plasma Physics Laboratory (PPPL) have helped design and test a component that could improve the performance of doughnut-shaped fusion facilities known as tokamaks. Called a “liquid lithium limiter,” the device has circulated … Continue reading

12. April 2016 by Christopher Cane
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Physicist Tyler Abrams models lithium erosion in tokamaks

The world of fusion energy is a world of extremes. For instance, the center of the ultrahot plasma contained within the walls of doughnut-shaped fusion machines known as tokamaks can reach temperatures well above the 15 million degrees Celsius core … Continue reading

05. April 2016 by Christopher Cane
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PPPL engineers design and build state-of-the-art controller for AC to DC converter that manages plasma in upgraded fusion machine

The electric current that powers fusion experiments requires superb control. Without it, the magnetic coils the current drives cannot contain and shape the plasma that fuels experiments in doughnut-shaped tokamaks correctly. Read more

10. March 2016 by Christopher Cane
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Plasma 101

10 Facts You Should Know About Plasma It’s the fourth state of matter: Solid, liquid, gas, and plasma. Plasma is a super-heated gas, so hot that its electrons get out of the atom’s orbit and roam free. A gas thus … Continue reading

01. March 2016 by Christopher Cane
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A Q&A With the Director of the Princeton Plasma Physics Laboratory, Dr. Stewart Prager

Fusion is the energy source of our sun and the stars. In a fusion reaction, two atomic nuclei fuse and produce very fast-moving particles. Read more

18. February 2016 by Christopher Cane
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PPPL physicists win Torkil Jensen Award to conduct key experiments on DIII-D

Physicists Luis Delgado-Aparicio and Egemen Kolemen of the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) have won a national scientific competition to conduct a full day of experiments on the DIII-D National Fusion Facility that General Atomics … Continue reading

04. January 2016 by Christopher Cane
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Using powerful computers, physicists uncover mechanism that stabilizes plasma within tokamaks

A team of physicists led by Stephen Jardin of the U.S. Department of Energy’s Princeton Plasma Physics Laboratory (PPPL) has discovered a mechanism that prevents the electrical current flowing through fusion plasma from repeatedly peaking and crashing. This behavior is … Continue reading

17. November 2015 by Christopher Cane
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November 2015 Research News

     PPPL physicists find clue to formation of magnetic fields around stars and galaxies Physicists are a new kind of superhero in comic book on fusion energy PPPL to design a high-resolution diagnostic system for the National Ignition Facility PPPL … Continue reading

16. November 2015 by Christopher Cane
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