Try to imagine that Minkowski cube, Ray said, as a block of liquid water freezing (as contrary as this seems) from the bottom up. The progression of … - Robert Charles Wilson

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Try to imagine that Minkowski cube, Ray said, as a block of liquid water freezing (as contrary as this seems) from the bottom up. The progression of the freeze represents at least our human experience of the march of time. What is frozen is past, immutable, changeless. What is liquid is future, indeterminate, uncertain. We live on the crystallizing boundary.