SMRTR Science & EngineeringFeb 24, 2026Hacker News

Ghostly UV sparks light up forests as thunderstorms pass overhead

SMRTR summary

Scientists have finally captured the first evidence of mysterious electrical coronas that form on tree leaves during thunderstorms, using a mobile weather station equipped with ultraviolet cameras to document these ghostly UV sparks that dance across forest canopies and jump between branches.

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