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Irradiation of acrylic plastic and calcite samples with a 3-5MeV, ~5mA electron beam. Camera used was a Sony Cybershot DSC-P72 in an approximately 1/16-1/8 thick folded lead box (5 sides) with a 1" HDPE cap on top to prevent hard x-ray generation at the box surface from direct electron bombardment. Noise on video is due to hard x-ray exposure to the ccd sensor in the camera.
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