One thought on “Pitch – Liquid or Solid?

  1. It’s fascinating – and check out the museum site on clocks, as well.

    Glass is also a liquid (even at room temperature) – I’m told that glass window panes from the revolutionary era can be seen to “sag” in the middle, as the glass “flows” downhill over time.

    And I think I heard once that paint is too, but I have a harder time with that, with so much variation in the chemistries. I

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