Blimp future made me look up the helium supply and of course that’s precarious
Conversation
Replying to
"Citing François de Chardenèdes' opinion that petroleum, from the standpoint of its replacement cost in our current energy "budget" (essentially, the net incoming solar flux), had cost nature "over a million dollars" per U.S. gallon (US$300,000 per litre) to produce.
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