Where To Stream Begin Japanology Season 2012 Episode 2

Batteries... We use them so often that we hardly even think about it. Mobile phones, cameras, portable audio players - even your car keys might have a battery inside. Japan makes 4.8 billion batteries every year, and the Japanese have a long history of battery breakthroughs, from recent advances in rechargeable batteries to what may have been the world's first dry-cell battery over 120 years ago. Recently, electric car batteries have been used not just for driving, but as power sources for...