Ep 5 How Nature Moves Fluids

How a city in California stabilised chlorine levels in water 87% faster than conventional methods, inspired by seashells. Function: Move fluids Biological model: Logarithmic spirals and vortices in nature Engineering translation: Pax Impeller® and the Thousand Oaks water case study Sources / further reading • Bejan A. The Physics of Life: The Evolution of Everything. 2016. https://share.google/OjFZVJZpxo3F58JKC • City of Thousand Oaks case study on Pax mixer performance. https://cleanwater1.com/pax-mixers• Harman J. The Shark’s Paintbrush. 2000. https://share.google/XtwGscrlkDAgCI4xx• Pax Scientific. Innovative Technology: How the Pax Impeller Works. https://paxscientific.com/water-tech• Vogel S. Life in Moving Fluids. Princeton University Press; 1994. https://share.google/MlCCBYrLMDXvyaqSaImage credits • Spiral shell via Canva • Impeller via Pax Scientific via AskNature.org Written and produced by Melanie Farmer. Podcast: Wild engineers. For learning and inspiration. Music and production completed in Movavi 2026. Please validate any design application for technical use.