Vaping produces clouds of formless opaque vapour. This presents the opportunity to equip the device with a small additional feature that will corral the undisciplined vapour into a whirling spiral of terror in the form of a miniature tornado.
-- xenzag, Aug 19 2017

Scale the device up, for a pub or club and have an art installation that is a breathable tornado. A ducting unit above could re-condense and re-circulate.
-- wjt, Aug 19 2017



random, halfbakery