Discover how to create a compact vertical-axis wind turbine with everyday materials in this detailed step-by-step guide. Watch as we build composite turbine blades, assemble a helical rotor, and integ ...

The team at Sapphire Technologies has developed equipment that generates zero-carbon electricity using natural gas pipeline pressure differentials. Sapphire CEO, Freddie Sarhan, is center-frame, sixth ...

Water droplets falling through a tube have generated enough electricity to power 12 LED lights. Such an approach could one day be used in roof-based systems to harvest lots of clean power from rain.