从前,人们对雷电的认知很少,由于无法解释雷电现象,只能想出一些神话故事来自圆其说。后来,人们发现在实验中的放电现象与雷电很相似,便猜想天上的雷电也可能是一种放电现象,美国科学家富兰克林证实了这一说法是正确的。1952年7月的一天,天上乌云密布,狂风阵阵,雷电交加,美国科学家富兰克林把一个用绸子做的装有一根尖细铁丝的大风筝放人云中,用来捕捉天空中的雷电。当天 In the past, people had very little knowledge of lightning, unable to explain the phenomenon of lightning, can only come up with some fairy tale come from a circle. Later, people found that the phenomenon of discharge in the experiment is very similar to lightning, it is suspected that the sky lightning may also be a discharge phenomenon, the United States scientist Franklin confirmed this claim is correct. One day in July 1952, the sky was covered with clouds, gusts of wind and thunder and lightning. The American scientist Franklin put a large kite with a thin wire made of silk into the clouds to capture the lightning in the sky. Same day