CFE

ISS032-E-016967 (10 Aug. 2012) --- NASA astronaut Joe Acaba, Expedition 32 flight engineer, uses a still camera while conducting a session with the Capillary Flow Experiment (CFE) Vane Gap-2 (VG2) in the Harmony node of the International Space Station. CFE observes the flow of fluid, in particular capillary phenomena, in microgravity.