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Back to the basics: producing fissile materials

Fissile materials have been in the news a lot in recent years – Iran’s uranium enrichment program, North Korea’s continuing nuclear weapons program, the on-going nuclear security summit, and so forth. Given all of this attention this seems like a good time to talk about what fissile materials are and how they’re produced – and […]

Existential threats

Recent discussions in the media about various “existential threats” have got me to wondering exactly what this term means – and as what you might call a “recovering professor” I’m also wondering whether or not this term is being used correctly or consistently by all of those bandying it about. And for those of you […]

After the Pulse: Musings about EMP

Some of you might remember a short-lived television series called Dark Angel, which aired on the Fox network for two seasons (2000-2002). The series’ backstory included the premise that a terrorist group set off a high-altitude nuclear burst that destroyed most of the United States’ electronic and communications infrastructure, plunging the nation into chaos. Recently, […]