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The World’s Most Powerful X-ray Laser Beam Creates ‘Molecular Black Hole’

When scientists at the Department of Energy’s SLAC National Accelerator Laboratory focused the full intensity of the world’s most powerful X-ray laser on a small molecule, they got a surprise: A single laser pulse stripped all but a few electrons out of the molecule’s biggest atom from the inside out, leaving a void that started pulling in electrons from the rest of the molecule, like a black hole gobbling a spiraling disk of matter.

Claudio Pellegrini Elected to National Academy of Sciences

Claudio Pellegrini, a distinguished professor emeritus of physics at UCLA and adjunct professor of photon science at the Department of Energy’s SLAC National Accelerator Laboratory, has been elected to the National Academy of Sciences in recognition of his “distinguished and continuing achievements in original research.”

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