For the past several months, a friend of mine has been telling me about the potentially game-changing implications of an obscure (at least to me) metal named Thorium after the Norse god of thunder, Thor.
It seems like he is not the only person who believes thorium, a naturally-occurring, slightly radioactive metal discovered in 1828 by the Swedish chemist Jons Jakob Berzelius, could provide the world with an ultra-safe, ultra-cheap source of nuclear power.
Last week, scores of thorium boosters gathered in the United Kingdom to launch a new advocacy organization, the Weinberg Foundation, which plans to push the promise of thorium nuclear energy into the mainstream political discussion of clean energy and climate change. The message they’re sending is that thorium is the anti-dote to the world’s most pressing energy and environmental challenges.
So what is the big deal about thorium? In 2006, writing in the magazine Cosmos, Tim Dean summarized perhaps the most optimistic scenario for what a Thorium-powered nuclear world would be like:
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