Throughout history, understanding the ocean depths has been of significant interest. Being able to navigate the ocean waters has led to the rise and fall of empires; the discovery of new countries; and, recently, the use of their natural resources to sustain those who reside on land. The technology used today to chart the ocean floor is much more accurate than early techniques, which included throwing a premeasured heavy rope or cable over the side of a vessel or listening for the distant “ping” of a single-beam sonar device. Read More
