House Optimized for Ideal Solar Gain

This house on Barcelona’s waterfront, uses time-tested passive solar techniques, but it takes a high-tech leap forward using digital design and digital fabrication techniques to make it completely optimized for ideal solar gain. With its jagged cantilevers jutting out at odd angles across most of the facade (except the North corner), Solar House 2.0 looks, … Read more

The Wind Belt Blows Turbines Away!

The Windbelt is a small-scale wind turbine that can generate 40 milliwatts in 10-mph winds and only costs a couple of dollars. Working in Haiti, Shawn Frayne, a 28-year-old inventor based in Mountain View, California, saw the need for small-scale wind power to juice LED lamps and radios in the homes of the poor. Conventional … Read more

A Battery That Lasts Forever

If it lives up to its billing, it will help accelerate the big green future. Companies and homeowners could pull the plug on their local utility by banking electricity from solar arrays and wind farms for use when the sun is not shining or the wind is not blowing. A 250-kilowatt battery system installed in … Read more