Chris Hemsworth has a new surfboard, and it looks less like something you’d find in a rack at the local surf shop and more like something Thor might have stolen from a spacecraft. The Australian actor recently unveiled a jet-black SJS Custom Rock n Roller, shaped by New Zealand-born, Gold Coast-based craftsman Scotty James . The futuristic-looking board is built in carbon fiber using Lucid Glassing’s vacuum-bag construction — a process designed to produce lightweight, responsive, high-performance surfcraft. Take a peak at the reveal, linked here , and below. View this post on Instagram The Rock n Roller is James’ high-performance twin-fin design, intended to be ridden roughly the same length as a conventional shortboard. Its narrow nose reduces swing weight, while a wide point behind center, triple-wing tail, double-concave deck and unusual spiral-vee/double-concave bottom are designed for speed, responsiveness and control.…