Nova - Season 44 Episode 3 -

We live in an age when technological innovation seems to be limitlessly soaring. But for all the satisfying speed with which our gadgets have improved, many of them share a frustrating weakness: the batteries. Even though there have been some improvements in last century, batteries remain finicky, bulky, expensive, toxic and maddeningly short-lived. The quest is on for a "super battery," and the stakes in this hunt are much higher than the phone in your pocket. With climate change looming, electric cars and renewable energy sources like wind and solar power could hold...