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Nuclear safety

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Actions taken to prevent nuclear and radiation accidents or to limit their consequences.

Bob Ellis designs a PPPL first: A 3D printed mirror for microwave launchers

When scientists at the Korea Supercomputing Tokamak Advanced Research (KSTAR) facility needed a crucial new component, they turned to PPPL engineer Bob Ellis. His task: Design a water-cooled fixed mirror that can withstand high heat loads for up to 300 seconds while directing microwaves beamed from launchers to heat the plasma that fuels fusion reactions.

A farewell to arms? Scientists developing a novel technique that could facilitate nuclear disarmament

A proven system for verifying that apparent nuclear weapons slated to be dismantled contained true warheads could provide a key step toward the further reduction of nuclear arms. The system would achieve this verification while safeguarding classified information that could lead to nuclear proliferation.

A farewell to arms? Scientists developing a novel technique that could facilitate nuclear disarmament

A proven system for verifying that apparent nuclear weapons slated to be dismantled contained true warheads could provide a key step toward the further reduction of nuclear arms. The system would achieve this verification while safeguarding classified information that could lead to nuclear proliferation.

Princeton and PPPL share in $25 million nuclear arms-control project

The National Nuclear Security Administration (NNSA) has named Princeton University and the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) participants in a new $25 million, five-year project to address technology and policy issues related to nuclear arms control. The project will include a unique process that Princeton and PPPL are developing to verify that nuclear weapons to be dismantled or removed from deployment contain true warheads.

COLLOQUIUM: Uncovering the Hidden Skeleton of Flow Transport

Recent years have seen several major environmental disasters throughout the Earth’s oceans, such as the the Deepwater Horizon oil spill and the Tohoku Tsunami that caused the release of substantial amounts of debris and radioactive contamination. In each of these disasters, material was released from what was essentially a point source into the environmental flow, and understanding how this material would be transported was of paramount importance.

COLLOQUIUM: Risks of Nuclear Weapons Use in an Era of Proliferation, Cyber Warfare and Terrorism

The United States and eight other countries that possess nuclear weapons run myriad risks every day -- risks of accidental detonations, of unauthorized launches caused by false warning, of provoking escalation between nuclear forces, and of nuclear weapons falling into the hands of terrorists.

Fusion through the eyes of a veteran science journalist

Author Daniel Clery recently published “A Piece of the Sun,” a 320-page narrative of the history of fusion research and the personalities who have devoted their careers to it. Clery is a United Kingdom-based reporter for Science magazine who holds a bachelor’s degree in theoretical physics from York University and has covered fusion for more than a decade. While hardly an uncritical flag-waver for fusion, he recognizes its vast potential. He discussed his new book and the future of fusion with PPPL Science Writer John Greenwald.

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