Sometimes, aqueduct engineers should carve a tunnel ... behind from hard water and then haul the buckets out. Pressurized pipe (inverted siphon) When faced with a deep valley, Roman engineers ...

Roman piping systems carried water from sources ... Rome had as many as 11 aqueduct systems, the most ancient of which was the mile-long Aqua Appia, first operational in 312 B.C. It was named ...

The Ogallala aquifer that sustains parts of western Kansas has been declining rapidly, and some farmers say the solution is ...

In "Construct an Aqueduct," you are hired as Chief Water Engineer by the Roman Emperor. Your job: to build an aqueduct that will supply the Roman city of Aqueductis with clean water to private ...

Between parked cars in a suburban street in Athens, workers fix a pump to an ancient stone well that in turn accesses an aqueduct built almost 2,000 years ago. The Greek capital, one of Europe's ...