Explore a fascinating physics estimation problem in this 22-minute video featuring Bree Barnett Dreyfuss. Dive into the concept of the Coulomb Cube, learning how to calculate the number of sand grains needed to create a Coulomb of charge. Discover the intricacies of unit conversion, delve into the history of the Coulomb, and apply reference values to solve complex calculations. Gain insights into dimensional analysis and utilize Google Maps for practical problem-solving. Perfect for physics enthusiasts and students looking to enhance their estimation skills and understanding of electrical charge concepts.