Vertical-axis turbines that can pump 1.5 kW of power into your solar battery bank or feed it to the grid cost less than $500. A wind turbine is a bad investment if you don't get enough wind to make it ...

Fran Scott explores how PhD student Jon Sumanik-Leary from the University of Sheffield is developing a DIY wind turbine for isolated Third World communities. Conventional wind turbines (and other ...

University of Virginia School of Engineering and Applied Science professor Eric Loth, who led a multi-institutional team in ...