🏛️ TIL: Roman #aqueducts mostly relied on #gravity, but some routes had to cross #valleys or climb slopes.
Engineers built inverted #siphons, using downhill pressure to push water back up through towers and into a receiving tank. Elsewhere they used #Archimedes screws, bucket wheels, and force pumps to lift #water.
👉 https://www.livescience.com/archaeology/romans/how-did-roman-aqueducts-get-water-to-go-uphill
#rome #engineering #history #archaeology #physics #ancient #technology #tech #science #education #architecture