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North Korea’s Fourth Nuclear Test: What Does it Mean?

By Charles D. Ferguson North Korea’s boast on January 5 about having detonated a “hydrogen bomb,” the colloquial name for a thermonuclear explosive, seems highly hyperbolic due to the relatively low estimated explosive yield, as inferred from the reported seismic magnitude of about 4.8 (a small- to moderately-sized event). More important, I think the Korean Central […]

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Resolving the Crisis in Ukraine: International Crisis Group’s Recommendations

As readers of the FAS Strategic Security Blog know, we have been concerned about the potential of the crisis in Ukraine to escalate, further worsening U.S.-Russian relations and possibly resulting in armed conflict involving NATO and Russia. As the May 25th presidential election in Ukraine is fast approaching, this post draws attention to advice and […]

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The Fermi Awards: A Celebration of Outstanding Science and Scientists

On February 3, two outstanding scientists, Dr. Allen Bard and Dr. Andrew Sessler, received the Enrico Fermi Award. Dr. Sessler has been a longstanding member of the Federation of American Scientists and served as the Chairman of FAS during part of the 1980s. In introductory remarks, Dr. Ernest Moniz, the Secretary of Energy, commented that […]

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Radioactive Theft in Mexico: What a Thief Doesn’t Know Can Kill Him

While the theft of a truck carrying radioactive cobalt made international headlines, this was unfortunately not the first time thieves or scavengers have exposed themselves or others to lethal radiation. Probably the most infamous case was on September 13, 1987 in Goiania, Brazil. Scavengers broke into an abandoned medical clinic and stole a disused teletherapy […]

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Why Physicists Have a Responsibility to Society

Presentation to the March Meeting of the American Physical Society, February 27, 2012, Boston, MA. The debate and controversy over the National Science Foundation (NSF) criterion on broader societal impacts of NSF-funded research have served the important function of challenging the physics community to reexamine why public money should support pure and applied physics research […]

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