The Gravity Engine - Part 5: Aqueducts: Mastering Pressure with the Roman Siphon29 January 2020·726 words·4 minsSystems and Innovation Roman Aqueducts Inverted Siphon Fluid Dynamics Water Management Innovation History Sustainability Technological HistoryHow Roman aqueducts used inverted siphons to cross valleys, demonstrating advanced understanding of pressure and hydraulics.