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| | Lightning - Wikipedia, the free encyclopedia (Site not responding. Last check: 2007-10-24) |
 | | While the experiment was underway, ball lightning appeared, collided with Richmann's head, and killed him, leaving a red spot. |
 | | Several different types of devices, including lightning rods, lightning arresters, and electrical charge dissipaters, are used to prevent lightning damage and safely redirect lightning strikes. |
 | | Lightning — Explains how the energy of lightning results from an interplay of updrafts and gravity, acting somewhat like the Van de Graaff generator. |
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