A pool of water printed as line art in two plates, one blue and one red, overlapped so still water reads as a single dark drawing. Tap to drop a stone; drag to cut a wake; press and hold to rain under your hand. Where the water moves, the plates slip out of register into blue and red ghosts, then settle back into one crisp drawing as it calms. A small registration mark at the top trembles with the pool. Weathers: still, drizzle, deluge.