Photos: Spirals go from nature to the lab Summary: Inspired by spirals found in nature, inventor believes the form could lead to breakthroughs in many fields. By Bill Detwiler | July 19, 2006 -- 11:35 GMT (04:35 PDT) Follow @billdetwiler Previous | Next Image 7 of 9 Pax Impeller The 6-inch PAX Scientific impeller can mix 4 million gallons of water using only 150 watts. Topic: Nasa / Space Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.