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Scientists catch a classic quantum experiment on camera
If you know a bit about quantum physics, you've likely heard of the Schrödinger's Cat concept used to explain superpositions: a cat in a box with a poison flask is at once alive and dead until you look inside. Researchers have produced this oddball state in the lab before, but they're now using it to create the most detailed X-ray movies of molecules they've seen so far. A team at the SLAC National Accelerator Laboratory first blasted an iodine molecule with an optical laser, splitting the molecule into simultaneous excited and relaxed states. When the scientists hit the molecule with X-rays afterward, the light scattering off of both states created an X-ray hologram showing the excited state. After that, the SLAC group only had to capture enough of these holograms to create a movie.
