Hank explains the Calvin Cycle, the light-independent reactions that occur within a plant to turn sunlight, water, and carbon dioxide into energy. The Calvin Cycle is broken down into three steps: Fixation, Reduction, and Regeneration.
Sol tells Max that the world cannot be easily solved with math, but Max disagrees. Sol then tells Max about his obsession and how his mind filters out everything else in order to find that which he is obsessed about. Sol gives the example of finding the number 216.