2025.12.31

Ghostly Fire

"Microlightning" may power strange will-o’-the-wisps

An illustration of an ignis fatuus, or will-o'-the-wisp, by Josiah Wood Whymper from the book Phenomena of Nature (1849). ｜Science & Society Picture Library/Getty Images

An illustration of an ignis fatuus, or will-o'-the-wisp, by Josiah Wood Whymper from the book Phenomena of Nature (1849). ｜Science & Society Picture Library/Getty Images

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