Physicists have long known how lightning ends, in a blinding discharge that can heat air hotter than the surface of the Sun, but the precise trigger that starts a bolt inside a cloud has remained ...

Add Yahoo as a preferred source to see more of our stories on Google. Penn State scientists demonstrate that lightning-like electrical discharges can occur inside solid materials, not just in storm ...

A picture portraying a UFO flying. A crack of lightning, a burst of heat, and suddenly a glowing sphere hangs in the sky like a craft from another world. Scientists now say this is not fantasy or ...

All the major chapters in the American story, from Indigenous beginnings to the present day. On June 10, 1752, Benjamin Franklin took a kite out during a storm to see if a key attached to the string ...

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In a small lab at Penn State University, lightning may be happening on a scale smaller than a deck of cards. Victor Pasko, a professor of electrical engineering, and his team have shown that under ...