This course aims to guide students through some everyday observations related to light and a number of optical applications. What is a double rainbow? What gives a peacock its fascinating color? Does optical fiber have anything to do with your smart phone? How do blue lasers help the CD industry to stay competitive? This GE course is about light. We survey the wonderful optical phenomena in nature, milestones in optical discoveries over the century, and optical inventions that drastically shaped the modern world. Students will acquire a qualitative appreciation of optics in everyday life through lectures and group presentations.