It has a lot more energy density than batteries,".

VOA: standard.2009.09.02

Faith Lapidus has more. As a boy,Ben Harper spent a lot of time at his grandparents' record store called The Folk Music Center and Museum in California.

VOA: special.2009.05.08

"The field commander has said 'I need a lot more troops.' And I think it's more than most people, at least in their calculus in the back of their minds, imprecise as that probably was, it was a larger number than they were prepared for,".

VOA: standard.2009.10.16