It's dark in here, but he sees colors, faint flares and swathes and stipplings, moving. Like the afterimages of the DatAmerica flows are permanent now, retinally ingrained. No light penetrates from the corridor outside—he's blocked every pinhole with black tape—and the old man's halogen is off. He assumes the old man sleeps there, but he's never seen him do it, never heard any sounds that might indicate a transition from model-building to sleep. Maybe the old man sleeps upright on his mat, Gundam in one hand, brush in the other.