https://community.usms.org/swimming/f/general/12525/convert-water-pressure-to-soundJust stumbled on this article in my science/tech newsfeed. Thought some might find it interesting. newatlas.com/.../ &quot;Now, researchers at Bielefeld University in Germany have developed technology that could provide athletes with an edge in trainingen-USTelligent Community 12https://community.usms.org/thread/199116?ContentTypeID=1Fri, 05 Aug 2016 02:40:13 GMT3187ac58-ba85-4314-b79a-c45cd885e09a:ada1800b-95e9-4a61-b274-f67424b8f2c7__steve__That&#39;s interesting. Just need two feedbacks, propulsion force and velocity. Then the swimmer automatically adjusts for efficiency. Thanks for posting<div style="clear:both;"></div>