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Where does the plutonium come from?

Last week I wrote about how the shortage of Pu-238 might impact the exploration of the outer Solar System, but I didn’t much get into where the plutonium comes from. After all, while there are trace amounts of natural plutonium, there certainly isn’t nearly enough to fuel a space probe. So this week it seemed […]

Yucca Mountain: Questions and Concerns

Yucca Mountain raises a lot of controversy – let’s face it; if it didn’t then a 4-part series of blog postings would hardly be necessary. Part of the reason for the controversy is that there are a number of worries about the impact of spent fuel disposal on the environment and on the health of […]

Avoiding Needless Wars, Part 6: North Korea

Over the last few months, North Korea has severely tested the world’s patience. It conducted its third nuclear test, canceled the armistice ending the Korean War, threatened the US with nuclear ruin, warned foreigners to leave the country because war was imminent, cut its hotline with South Korea, and readied a missile for firing. This […]