TNO is researching how the turbines in a wind farm should operate in relation to each other in order to derive maximum benefit from the wind currents. This is what is known in the jargon as ‘vortex ...

Williamson Brothers built 441 Vortex Turbines, selling one of the last to Sir William Armstrong at Cragside in Northumberland, the first house in the world to be lit by hydroelectricity.

A wind vortex could be seen hovering above the volcano ... hazardous conditions and left over 350,000 Canadians without power. Ariel footage shows the stolen work truck crashing into multiple ...