For as long as people have watched storms roll across the sky, lightning has inspired awe and fear. You can see the flash and ...

“We explained how photoelectric events occur, what conditions need to be in thunderclouds to initiate the cascade of electrons, and what is causing the wide variety of radio signals that we observe in ...

A green spectacle. With protective eyewear, ISTA PHD student Andrea Stöllner takes a glimpse into the experimental chamber (in the foreground) where two laser beams trap a single particle. One ...

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