Scientists Just Caught Lightning Firing Off a Gamma-Ray Blast

The split-second spark may explain how storms become radioactive—and how lightning really begins.

May 21, 2025 - 23:10
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Scientists Just Caught Lightning Firing Off a Gamma-Ray Blast
An upward positive leader that produced a downwards gamma ray flash.

The split-second spark may explain how storms become radioactive—and how lightning really begins.