The only Roman aqueduct still functioning today is the ... the vertiginous spiral staircase that makes it possible to climb inside); and Pius V in the 16th century. Concrete structures have ...

When the aqueduct must flow higher than about five feet, Roman engineers should use an arcade rather than a wall. The arched arcades require less material than walls and don't interfere with the ...

Aqueducts are one of the wonders of the Roman Empire. These graceful structures are not only majestic, but are engineering marvels that survive to this day. In "Construct an Aqueduct," you are ...

During construction work in a city of central France, archaeologists uncovered a tunnel opening and found a system of ancient Roman passageways. Photos show what remains of the underground structures.

Mr. Clemens Herschel, who lectures this evening before the Engineering Society on "Roman Aqueducts," has a wide reputation as an expert in hydraulic engineering. He is a graduate of the Scientific ...