Solar cells -- can't top 'em. Ultracapacitors -- can't top 'em. They produce an unstoppable electromotive force! Powering everything from power amplifiers to personal phones, no other practical product packs the punch of electrochemical cells, the first true electrical device. Ubiquitous though they may be, our knowledge of their inner workings is often weak. Discharge your memory banks into this quiz to see how you measure up!
More...
More...