It was formerly hypothesized that placing a radioactive source near the end of a lightning conductor would improve the likelihood that lightning would strike the conductor. It is estimated that ...

Considerations on the utility of conductors for lightning : in which the nature and properties of the lightning are explained, and the admirable uses of conductors ... clearly pointed out / by ...

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 ...