Battery-operated cars and homes are not far off. Scientists are already imagining the ways that a new type of battery will change the world–but first, they have to create it. Several groups are on the cusp of a portable power revolution. We explore the potential of a new type of battery, and the challenges scientists face in creating it, in this episode of “The Future According to Now”, a podcast from Atlantic Re:think, the branded content studio at The Atlantic and Fidelity Investments.