Detailed Footage Finally Reveals What Triggers Lightning

Photo: The opacity of stormclouds has until recently prevented scientists from seeing how lightning initiates. Photo credit: Corey Hochachka / Design Pics. Article by Thomas Lewton. Quanta Magazine – December 20, 2021.

During a summer storm in 2018, a momentous lightning bolt flashed above a network of radio telescopes in the Netherlands. The telescopes’ detailed recordings, which were processed only recently, reveal something no one has seen before: lightning actually starting up inside a thundercloud. […]

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