Presented in a ā5-Dā cinematic environment utilizing a contemporary form of Pepperās ghostāa 19th-century phantasmagoric deviceāand a range of sensory effects (scents, vibrations, etc.), Imponderable is an immersive feature-length film inspired by Ourslerās own archive of ephemera relating to stage magic, spirit photography, pseudoscience, telekinesis, and other manifestations of the paranormal.