One thought on “Cement”

  1. Reminded me of Yale online course on Roman Architecture I took 5 yrs ago; one of assignments was on concrete and technology, with interesting asides and implications.
    Made me all nostalgic…One of pluses of recession is that one have time for courses and blogs. Nice and gratifying – still, I’d rather work 60hrs weeks (as I do now), than experience Dems-instigated recession again.

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