Quadratic Formulas

On the cover: New Yorker Balaram Stack is well acquainted with tunnels. From the complexities of the Big Apple’s subway system to the depths of Mainland Mexico tubes, he knows the importance of choosing the right line. Photo by Justin Smith. Threads inside the issue trace equally varied paths, including digital renderings of natural wave patterns, a window into the halcyon days of Aussie surf media, modern thrashing in Tasmanian waters, and other throughlines across the seascape.