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• 13:53, 14 April 2022 Physdemo talk contribs created page Ball and Ring (Created page with "{{NewDemo|subject=Thermodynamics|topic=Thermal Properties of Matter|file1=Ball and Ring.gif}} When both pieces are cool, the ball will not fit through the ring. When the ring is heated, it expands, and the ball will fit through it. Location: Drawer 52")