29 gen 1749 anni - Lightning Rod
Descrizione:
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.Aggiunto al nastro di tempo:
Data:
29 gen 1749 anni
Adesso
~ 276 years ago