Explore the fascinating concept of a hollow Earth's gravitational field through a Python-based calculation in this 20-minute video. Dive into the physics behind this hypothetical scenario, learning how to use programming to model complex gravitational interactions. Discover the connection between this thought experiment and real-world applications, such as the historic Schiehallion experiment that used a mountain to determine Earth's density. Access the provided Python code and accompanying blog post to deepen your understanding of gravitational fields, computational physics, and scientific modeling techniques.