China has built a new type of wind turbine that floats in the air. The high-altitude, airship-like machine has just passed ...
Arguments about clean energy have shifted from smokestacks to trash heaps. Critics now warn that worn out solar panels and ...
Discover how to build a vertical-axis wind turbine using everyday materials in this step-by-step guide. Learn the principles of the Savonius rotor, from assembling the base using heat sinks and a ...