Benjamin's attention. On the phenomena of the natural lightning Lightning and thunder
he assumed the lightning, thunder, and lightning that was caused by the electron electricity in the sky. Benjamin was the first experiments in 1975.1749 using a kite made out of silk instead of paper. A spike on the kite. The end of the string to tie the key. A ribbon with a string of another one. Make his kite become electric conductor. When the rain make string wet.But he didn't get hurt, because catch ribbon, which is insulating. From the experiment results, it can be concluded that... Arise from the charge in the sky caused by friction between the clouds with air ทำให้เกิดไฟฟ้าสถิต
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