In the early 1960s, researchers tried firing rockets trailing wires into thunderclouds to set up an easy discharge path for the huge electric charges that these clouds generate.

20 世纪 60 年代初，研究人员尝试将拖着电线的火箭发射到雷云中，为这些云产生的巨大电荷建立一个简单的放电路径。