FICTIONAL / IN-UNIVERSE NEEDLE OF RAIN - GEARBOX ANALOGY FIELD DESCRIPTION: Rain column observed as narrow vertical discontinuity. GARAGE ANALOG MODEL: 1. Treat upper cloud layer as driver. 2. Treat lake/mud plane as lower plate. 3. Treat needle as transfer shaft. 4. DO NOT assume rotation is spatially local. JACK'S NOTE: "This is not a gearbox. Stop writing gearbox on things that fold space." ACE'S NOTE: "Still helping me think about it."