electricity

The renewable power of ocean waves

We know about solar energy and wind energy but one company in California, Calwave, is harnessing the renewable power of ocean waves to produce both electricity and freshwater. As part of our ongoing series of reports Peril and Promise: The Challenge of Climate Change, Calwave co-founder Marcus Lehmann joins Hari Sreenivasan via Google Hangout.

SciTech Now Episode 336

In this episode of SciTech Now, the creation of the Vaux’s Swifts new habitat; a look into Darwin’s unseen manuscripts; Calwave Power Technologies is harnessing the renewable power of ocean waves to produce both electricity and freshwater; and Penn State students predicting perfect sunsets.

Microgrids, how might they protect national security?

The U.S. electric grid has been called the world’s largest machine, but the number of major power outages across the country has increased significantly since 2000, creating potential risks for national security. The military is addressing this concern by developing smaller, independent electricity systems known as microgrids. Reporter Dan Boyce has the story.

Harnessing the power of play for energy

Creating reliable sources of electricity in the developing world continues to be an enormous challenge as the necessary infrastructure lags behind.  The founder of the renewable energy company Uncharted Play has created an unusual solution.