Scientists Observe Electrical Discharges on Trees under Thunderstorms

Feb 26, 2026 - 14:30
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Scientists Observe Electrical Discharges on Trees under Thunderstorms
Coronae glow on the tips of spruce needles, induced by charged metal plates in a laboratory. Image credit: William Brune.

Pennsylvania State University researchers have directly observed and measured an electrical phenomenon called corona on sweetgum, loblolly pine and other tree species under thunderstorms in several U.S. states.

The post Scientists Observe Electrical Discharges on Trees under Thunderstorms appeared first on Sci.News: Breaking Science News.

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