IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This is the top section of a ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Lightning rod, cast copper lightning ...
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 ...
Lightning rods (and the accompanying protection system) are designed to protect a house or building from a direct lightning strike and, in particular, a lightning-initiated fire. Note that lightning ...
A high-speed photo of lightning rods at work during an electrical storm in São José dos Campos, Brazil, is helping scientists understand how the devices compete to attract strikes and keep buildings ...
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 ...