Well, this one jumped out at me over at phys.org, but first, before we get to that, a little review. For those of you who've read Grid of the Gods or The Nazi International, you'll already know the lithium-7 problem, so a brief review for those who don't. Lithium-7 is, for me at least, at the center of a bit of an historical mystery. In the early 1950s, the US military tested one of its newly acquired toys - the hydrogen bomb - at a test in the South Pacific. The particular test I have in mind was of a bomb code-named "Castle Bravo", and this quickly became one of the most infamous cases of … [Read more...]