A crab-like congregation of polyhedra floats in front of a pastel patchwork of Mondrianesque blockwork, perhaps suggesting a crustacean’s sea-change into something rich and strange. Unknown and brave geometries surely await us in our irradiated oceans, all now numbered by half-lives and measured by Fukushima fathoms. (What wristwatches with radium dials might we be wearing today?)