AMES, Iowa – Sri Sritharan called up a digital map of the United States and pointed to a dark blue band running through the middle of the country. That’s wind country. The blue band runs east from the ...

AMES, Iowa – Hydraulic equipment in two civil engineering labs recently pushed and pulled at test sections of a new kind of wind turbine tower, simulating the heavy, twisting loads that towers have to ...

The view from above the ski jump hill in Predazzo. The jury room, where Miran Tepeš monitors the wind, is at middle right — the tiny beige rectangle under a light tower. Daniel Karmann / picture ...

Passive ventilation systems employing wind towers and wind catchers have garnered considerable attention as sustainable alternatives to conventional mechanical systems. These devices harness natural ...