Solar geometries

[Images: More goodness from the wizard of pinholes, Nicolai Grossman, taken off his Spacetime set – click each image for original page. Is it possible for time itself to seizure? For temporality to get Tourette's? Is there a disease of the optic nerve in which moments echo – and would people sign-up for infection? Bruce Mau once wrote that tourists of the future will take "Disease Tours (complete with guaranteed cure)," riding bodily malfunction to a predictable end – but what do diseases of the eye look like from inside? More importantly: what if you built a house that actually looked like that?].

(See also The overlap and The blur, both with photos by Grossman).