Dive deep into the science that controls the indoor garden world with Dr. E.R. Myers! Learn about the physics behind grow lighting, the chemistry involved in photosynthesis, and more. Dr. Myers has a Ph.D. in plant breeding and genetics from Michigan State and has taught undergraduate and graduate classes covering plant biology at several higher-learning institutions. There is no tuition to worry about here though. These lessons are brought to you absolutely free by your favorite online grow shop – HTG Supply!