40,000 Homes Could Powered By Golden Gate Tidal Turbines

by Justin Thomas •

Tidal power could energize 40,000 homes in San Francisco. A study is being conducted to see if tidal power can be tapped by installing turbines on the sea floor below the Golden Gate Bridge. According to earlier studies, 40,000 San Franciscan homes could get clean energy from tidal turbines such as these. The California utility PG&E will be conducting the …

Solar Tower Video

by Justin Thomas •

Here’s a video of the solar tower in Spain that has been getting a lot of press lately. Engadget describes the system: “It consists of a towering concrete building, a field of 600 (and growing) sun-tracking mirrors that are each 120-square meters in size, and a receiver that converts concentrated solar energy from the heliostats into steam that eventually drives …