Hindenburg mystery solved after 76 years - Science - News - The Independent
Speaking of lighter than air things, I noticed somewhere last week that the management of the US helium supply is still a vexed issue.
But how much is there left in the world? According to the Chairman of the Balloon Council (what a job!) in a piece he wrote for CNN, there's enough for 300 years at current rates of use. Of course, I suppose there is a question about how much you can trust the front man from the party balloon industry.
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