Last year marked the 270th anniversary of Benjamin Franklin’s lightning rod — but it’s more than a relic of history. The Franklin rod remains in use today because the simple design exploits some ...
Brazilian researchers captured on camera the brief moment when lightning rods on buildings released an upward discharge to attract incoming lightning. By Nicholas Bakalar Benjamin Franklin invented ...
As we stood before the rich carvings, the bas-relief, and mediæval tracery of an old cathedral in a European city, our eyes wandered upward, beyond the gargoyles, beyond the fretwork, and finally ...
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