MAKUENI, Kenya — On a dry riverbed one recent sunny morning, residents of Kasengela village toiled away mixing cement and sand to make concrete. The sound of their shovels resonated through the valley ...

MAKUENI, Kenya (AP) — On a dry riverbed one recent sunny morning, residents of Kasengela village toiled away mixing cement and sand to make concrete. The sound of their shovels resonated through the ...

The Chinese government has said it's moving ahead with building a series of dams that will eclipse anything it has built before. The massive hydroelectric project will help the energy-hungry country ...

In this video, we explore the construction of a mini hydroelectric dam as part of a science project. The focus is on the principles of hydropower and the step-by-step process of building a model dam. ...

This video features a mini construction project that demonstrates the building of a model hydroelectric dam. It explores the scientific principles behind hydroelectric power and details the ...