The Atm Sphere study investigates optical systems where a spherical shell glows without direct light visibility. A light source at the sphere's center illuminates only through double reflection via triangular panel arrangements. Panel geometry creates reflection paths that prevent direct observation of the source while achieving uniform shell luminosity. Each triangular element angles to reflect light twice before reaching the outer surface, hiding the central source through controlled optical routing. The geometry enforces a strict constraint: no line of sight from the center passes through the shell without at least two reflections. Various panel configurations determine which arrangements successfully redirect light while maintaining geometric coherence across the spherical form. Panel angles, reflective surface properties, and inter-panel spacing define the conditions for achieving the glowing shell effect. Physical models test whether the computed geometries produce the predicted luminous behavior. The investigation remains ongoing.
Photography: Phillip C. Reiner
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