from the hot-one-this-era dept.
thatguywhoiam writes "Congress asked, and the scientists have answered: 'The Earth is the hottest it has been in at least 400 years, probably even longer. The
National Academy of Sciences, reaching that conclusion in a broad review of scientific work requested by Congress, reported Thursday that the 'recent warmth is unprecedented for at least the last 400 years and potentially the last several millennia.'"
We warn the reader in advance that the proof presented here depends on a
clever but highly unmotivated trick.
-- Howard Anton, "Elementary Linear Algebra"