In this fascinating video transcript, the author challenges the common belief that the world is running out of sand. They delve into the world of sand, discussing its properties, importance in civil engineering, and role in making concrete. Contrary to popular belief, the author demonstrates that the shape of sand particles can impact concrete strength and workability. They highlight the complexity of sourcing sand, the environmental impacts of sand mining, and the potential for creating sand artificially. The author emphasizes the importance of considering the economic, environmental, and social implications of sand usage in construction and raises thought-provoking questions about the future of sand as a resource.
https://practical.engineering/blog/2024/10/1/is-the-world-really-running-out-of-sand