I visited the US National Helium Reserve
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摘要
At the National Helium Reserve in Amarillo, Texas, the US government once stored 32 billion cubic feet of helium. There have been breathless news articles recently saying the world's running out: but it's still possible to buy party balloons. What's going on?
More about the Federal Helium Program: https://www.blm.gov/programs/energy-and-minerals/helium/federal-helium-program
Edited by Michelle Martin (@mrsmmartin)
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