记富兰克林发明避雷针经过──寄给青年朋友们１７５８年５月，英国皇家学会突然收到一篇论文，说天上的雷电和我们在实验室摩擦产生的电是一回事，还列举了１２条相同处，如：放光、有声、能点燃易燃物、能杀伤动物等等。还说到电是通过金属的尖端释放传递的，因此为使建... After Franklin invented the lightning rod, he sent it to young friends. In May 1758, the Royal Society suddenly received a paper saying that the lightning in the sky was the same thing as the electricity generated by friction in the laboratory. It also listed 12 articles. The same places, such as: light, sound, can ignite combustibles, can kill animals and so on. Also said that electricity is delivered through the tip of the metal, so to make...