Single-duct waveguides are commonly used in cars, medical devices and many other objects. Now researchers are taking advantage of origami-related equations to study how noise can be reduced using interconnected tubes.
More in Science Magazine (23 Nov 2016: Vol. 2. no. 11) Reconfigurable origami-inspired acoustic waveguides: http://advances.sciencemag.org/content/2/11/e1601019.full Laura Rozenberg
