An Ode (or is it Anode?) to the Battery

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Today, we pay tribute to something that's in almost every piece of portable technology today: the humble battery. Henry Schlesinger is the author of a new book called "The Battery: How Portable Power Sparked a Technological Revolution." He explains how the battery went from animating a frog’s leg, back in the beginning, to powering your cell phone today.

Schlesinger also looks at why — in the near future — the need for battery materials may turn Bolivia into the next Saudi Arabia.