Stream the best of PBS. Anytime, anywhere. Download the free PBS Video App.

Providing Support for


Energy Defined

Clip | 2m 41s

What is energy and why are we on a never ending search for new energy sources?

Aired: 10/08/12

Rating: NR

Problems Playing Video?

National corporate funding for NOVA is provided by Draper. Major funding for NOVA is provided by the David H. Koch Fund for Science, the Corporation for Public Broadcasting and PBS viewers.