Search results
Results from the WOW.Com Content Network
The intense heat generated by a lightning strike can burn tissue, and cause lung damage, and the chest can be damaged by the mechanical force of rapidly expanding heated air. [ 4 ] Just as heat can cause expanding air in the lungs, the explosive shock wave created by lightning (the cause of thunder) can cause concussive and hearing damage at ...
Lightning currents have a very fast rise time, on the order of 40 kA per microsecond. Hence, although lightning is a form of direct current, conductors of such currents exhibit marked skin effect as with an alternating current, causing most of the currents to flow through the outer surface of the conductor. [32]
Direct damage caused by lightning strikes occurs on occasion. [56] In areas with a high frequency for cloud-to-ground lightning, like Florida, lightning causes several fatalities per year, most commonly to people working outside. [57] Acid rain is also a frequent risk produced by lightning. Distilled water has a neutral pH of 7.
Some dragons have two different kinds of breath weapons, usually one that can cause physical harm to player characters (fire, ice, acid, lightning, etc.) and another that typically has a non-damaging effect (paralysis, repulsion, confusion, etc.). Dragons are noted to be egg-layers, and most are described with sharp teeth, horns, and claws.
The presence of fulgurites in an area can be used to estimate the frequency of lightning over a period of time, which can help to understand past regional climates. Paleolightning is the study of various indicators of past lightning strikes, primarily in the form of fulgurites and lightning-induced remanent magnetization signatures. [1]
For example, while systems such as Dungeons & Dragons would list a wide variety of separate ranged attack powers that deal damage (such as a fireball, a lightning bolt, an acid spray, a magic missile, and dozens more), the vast majority of such effects in the Hero System would be constructed out of the same base two powers, "Blast" or "Killing ...
To facilitate the harvesting of lightning, a laser-induced plasma channel (LIPC) could theoretically be used to influence lightning to strike in a predictable location. A high power laser could be used to form an ionized column of gas, which would act as an atmospheric conduit for electrical discharges of lightning, which would direct the lightning to a ground station for harvesting.
When a sufficiently large positive lightning strike carries charges to the ground, the cloud top is left with a strongly negative net charge. This can be modeled as a quasi-static electric dipole and for less than 10 milliseconds a strong electric field is generated in the region above the thunderstorm.