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Study reveals massive quantities of undeclared uranium are exported from the DRC
A study conducted by University of Wisconsin–Madison and Princeton University nuclear engineers has identified a major blind spot in nuclear accounting with global nuclear security implications. According to the researchers, large quantities of uranium…
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Wisconsin lies in the path of nuclear fallout, UW–Madison researcher’s modeling shows
A map depicting the areas in North America at risk of receiving high levels of radioactive fallout based on simulations of nuclear attacks on silos for each day of 2021. Map by Sébastien…
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A New Era for Nuclear Weapons: Sébastien Philippe Discusses the Risk of Nuclear Testing on the UW Now Livestream
As nuclear agreements end and talk of nuclear weapons testing builds, the U.S. is entering a new era of nuclear policy, says Sébastien Philippe. “There won’t be agreements stopping countries from a…
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Sébastien Philippe Wins 2025 MacArthur ‘Genius’ Award
Photo of Sébastien Philippe. Credit: John D. and Catherine T. MacArthur Foundation. Sébastien Philippe, a visiting researcher at the Princeton School of Public and International Affairs’ Program on Science & Global Security…
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Sébastien Philippe named MacArthur Fellow
Nuclear security specialist Sébastien Philippe, an assistant professor at the University of Wisconsin–Madison, has been awarded a 2025 MacArthur Fellowship. Often referred to as “genius grants,” the fellowships are presented by the John D.…
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Sébastien Philippe serves on UN panel examining effects of nuclear war
On September 5, 2025, Assistant Professor Sébastien Philippe participated in the first meeting of the Independent Scientific Panel on the Effects of Nuclear War, a new initiative launched by the United Nations. Announced by UN…
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Focus on new faculty: Sébastien Philippe aims to reduce the risk of nuclear war
Early in his academic career, Sébastien Philippe realized the potential for his work to have a major societal impact. His research on the consequences of French nuclear weapon testing in the South Pacific led…
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Who Would Take the Brunt of an Attack on U.S. Nuclear Missile Silos?
New Town, N.D., has 14 ballistic missile silos within a 20-mile radius. It is on the Fort Berthold Indian Reservation, home of the Mandan, Hidatsa and Arikara Nation. Nina Berman This article…
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The Members of This Reservation Learned They Live with Nuclear Weapons. Can Their Reality Ever Be the Same?
The Mandan, Hidatsa and Arikara peoples are learning more about the missiles siloed on their lands, and that knowledge has put the preservation of their culture and heritage in even starker relief. Written…
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Remote Inspection of Adversary-Controlled Environments
This research advances methods for inspecting high‑risk, adversary‑controlled sites, addressing a central technical challenge in nuclear verification and arms control.
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Toxique: Investigating the Legacy of French Nuclear Testing
An award‑winning investigation documenting the health and environmental impacts of French nuclear tests in Polynesia, combining scientific analysis with investigative journalism.
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Verifying Nuclear Weapons Without Revealing Secrets
This landmark study introduces a physical “zero‑knowledge” verification system that can confirm the authenticity of nuclear warheads without disclosing sensitive design information.
about evident
Independent research and new technologies to understand and reduce the risks posed by nuclear weapons.
Department of Nuclear Engineering and Engineering Physics
University of Wisconsin–Madison
Supported by the Carnegie Corporation of New York, MacArthur Foundation, PAX sapiens, Longview Philanthropy, and the Ploughshares Fund.