The propellers of the world's ships and boats create a constant drone that disrupts ocean life. New propeller designs based on loops could one day quiet that drone and be more fuel efficient. Sharrow ...

Imagine you're a whale. You spend your entire life in the open water. You can see well enough, but you mostly listen. Songs of other whales help you communicate and travel with your pod. Rhythmic ...

Add Yahoo as a preferred source to see more of our stories on Google. A banner-style logo for One Planet Sharrow Marine makes a propeller based on loops that's designed to reduce noise and increase ...