Weather Forecast


experimental sound project

August 7, 2014
Photo by Dave Orrick / Pioneer Press 
University of Minnesota Professor Peter Sorensen discusses the newly operational underwater sound system designed to deter invasive carp on Monday at Lock and Dam No. 8 on the Mississippi River south of La Crosse, Wis., in Genoa, Wis. The first-of-its-kind system cost $75,000 and plays the racket of about 20 outboard motors through five underwater speakers.
Carp get an earful from underwater speakers
August 7, 2014 - 12:14am