AG1086A Concept Development: Sonar images

In this picture indicates the directions that detail how sonar travels and what happens when it hit an object. 

http://en.wikipedia.org/wiki/File:Sonar_Principle_EN.svg 

When i seen this picture is 

pushed me more in the direction of what i wanted my project to be.              

http://www.uphaa.com/blog/index.php/tag/real-superpower/