Brian Walker discusses building homemade rockets and the growing amateur rocketry movement. Walker explains the engineering challenges of creating functional rockets on limited budgets using accessible materials. The conversation explores the community of rocket enthusiasts pushing boundaries of private space technology. Walker describes specific rocket designs, fuel systems, and the incremental progress toward higher altitudes and more sophisticated capabilities. The discussion addresses regulatory issues facing amateur rocketeers and the balance between innovation and safety. Walker examines how amateur rocketry contributes to advancing spaceflight technology and inspiring future aerospace engineers. The broadcast explores the dream of private individuals building craft capable of reaching space without government or corporate resources. Walker discusses failures, explosions, and lessons learned through trial and error in rocket development. The conversation examines whether amateur rocketeers might achieve suborbital flights and what this would mean for democratizing space access. Walker shares the passion driving people to invest time and money pursuing this challenging hobby.