Over the past few years, I’ve written several blog posts about a looming worldwide shortage of helium. It started with a series of three posts explaining the physics, history, and legislation giving rise to the “peak helium” problem (here, here, and here). Since then I’ve followed the story and posted sporadic updates (here, here, here, and here).
Then of course I fell off the face of the earth and haven’t posted anything in quite a while. But the helium situation continues to evolve…