Superman is Smiling
December 27, 2011 Resources

Oh no! There’s only 4,200 cubic kilometers of Krypton left in the entirety of Earth’s atmosphere. If humans keep using Krypton at current rates … oops … scratch that.

"2" Comments
  1. I went to your link and found that CO2 is .039 percent of the atmosphere, not the .036 percent I had thought. The answer did not specify whether it was the “effective” atmosphere, or total atmosphere.

  2. Pondering Krypton and its use in fluorescent signs makes me thirsty for a Rolling Rock.

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