Spinning tunnels—which are also known as vortex tunnels or rotating tunnels—are devices used at haunted attractions and amusement parks. When people walk through the center of a spinning tunnel they c
A fog machine, fog generator, or smoke machine is a device that emits a dense vapor that appears similar to fog or smoke. This artificial fog is most commonly used in professional entertainment applic
A small fog machine for residential use.
Interior view of a fog machine, showing the pump and heat exchanger.