Meridian Energy has introduced a new underwater robot to carry out inspections at its hydroelectric stations, reducing the ...

dam operators agreed to open the spillway just for American Experience. "It was very exciting that they agreed to spill for us for a short period specifically for the film," said Associate ...

JOSH EDELSON/AFP via Getty When water rises above a certain level the dam must release the excess volume through what’s known as a “spillway” in order to prevent structural damage.