Could a greater understanding of the physical properties of light allow us to better radiate God's light—spiritual light—to those around us? How can our hope and trust in God increase when we more fully appreciate the ability of God's light to reach us? On this week’s episode, we speak with Aaron Franklin, an engineer, chemist, and a professor at Duke University about how an increased grasp of principles of light could open our eyes to the gospel truths associated with spiritual light.