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When lightning strikes a metal tower or strikes near a building containing electrical equipment, a large, rapidly changing magnetic field is generated. This magnetic field induces current onto power lines, often disrupting electrical service, and also induces current into other electrical conductors such as electrical equipment and even ...
A lightning rod or lightning conductor (British English) is a metal rod mounted on a structure and intended to protect the structure from a lightning strike. If lightning hits the structure, it is most likely to strike the rod and be conducted to ground through a wire, rather than passing through the structure, where it could start a fire or ...
Faraday cages are also used to protect people and equipment against electric currents such as lightning strikes and electrostatic discharges, because the cage conducts electrical current around the outside of the enclosed space and none passes through the interior.
Here’s how to stay safe when lightning strikes When thunder rumbles, lightning isn’t far behind. About 25 million times a year, lightning strikes the United States, according to the National ...
The danger of a lightning strike depends on several factors, including where a person is when being struck, the kind of object someone is holding or even the amount of water on the person's skin.
Experts are divided on whether it’s possible to prevent lightning strikes, as Florida cities invest in suppression systems. Experts disagree on lightning deflection measures as Florida cities ...
Sheet lightning is cloud-to-cloud lightning that exhibits a diffuse brightening of the surface of a cloud, caused by the actual discharge path being hidden or too far away. The lightning itself cannot be seen by the spectator, so it appears as only a flash, or a sheet of light. The lightning may be too far away to discern individual flashes.
We walked into the house about 8:30 at night. It was almost dark – not completely – which perhaps was why we didn't notice that the lights weren't operating at full strength. The floor ...