Solar power seems to be the hot new thing when it comes to being environmentally friendly.
But, a UC Santa Barbara physicist who’s been studying its history says going solar is anything but new.
The researcher says some people have been using, and also blocking the sun for heating, and cooling purposes for thousands of years.
KCLU’s Lance Orozco talks with the physicist, who’s written a new book about the history of solar power.
Click on link to listen to/download story: Solar Power History