Lightning and Thunder Author:Herbert S. Zim How do thunderstorms form and why are there more of them on summer afternoons than any other time? How can the distance between a lightning flash and its observer be computed? Is lightning useful? Why can't it be harnessed for use as ordinary current? Dr. Zim's clear and accurate explanations answer these and many other questions. The il... more »lustrations tell a dramatic story of their own. Together with Dr. Zim's fascinating text and his suggested simple experiments for the reader, they make this book a necessity for anyone, young or old, who has ever marveled at a dazzling flash of lightning or a deafening peal of thunder.« less