

Paths Without Maps: Navigation & Infrastructure Before GPS
Key Insights#
- Ancient navigation relied on environmental literacy rather than instruments
- Infrastructure systems were designed for both practical and political purposes
- Innovations in transportation and communication enabled vast empires
- Medieval technological advances laid foundations for modern economies
- Many ancient systems remain relevant for sustainable development today
References#
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Boselli, V. A., Borroni, M., Kassout, J., Houssni, M., Kettouch, A., & Cristoforetti, S. C. (2025). Qanats: Ancient innovations nurturing sustainable futures in water management - IRIS. IRIS Blue Papers, 4(1), 14–25.
Cartwright, M. (2014, September 8). The Inca road system. World History Encyclopedia.
Cartwright, M. (2017, November 14). Greek fire. World History Encyclopedia.
Cressey, G. B. (1958). Qanats, Karez, and Foggaras. Geographical Review, 48(1), 27–44.
Esmaeili, G., Habibi, A., & Esmaeili, H. R. (2022). Qanat system, an ancient water management system in Iran: History, architectural design and fish diversity. International Journal of Aquatic Biology, 10(2), 131–144.
Lewis, D. (1972). We, the navigators: The ancient art of landfinding in the Pacific. Australian National University Press.
Lindsey, E. K. (2023). Pius “Mau” Piailug: Master navigator of Micronesia. JSTOR Daily.
Thompson, N. (n.d.). The Star Compass [Diagram]. Hōkūleʻa - Polynesian Voyaging Society.





