29 jan 1749 ano - Lightning Rod
Descrição:
The lightning rod was first invented by Benjamin Franklin in 1749. It was used to provide a low-resistance path underground that can be used to conduct the enormous electrical currents when lightning strikes hit. People mistaken the lightning rod as they thought it attracted electricity.Adicionado na linha do tempo:
Data:
29 jan 1749 ano
Agora
~ 275 years ago
