Researchers at the U.S. Air Force Academy have created a ball-shaped flash of plasma that closely resembles the near-mythical "ball lightning" reported for millennia.
It’s estimated that only one in a million lightning strikes produces the ball lightning phenomenon, which makes it impossible to study in nature.
Though it's rare, ball lighting is so stunning that there are more than 10,000 written accounts of the bright, spherical lights in the sky which linger for seconds longer that a true lightning bolt. Here's one example of these lightning balls in nature:
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