Classical scattering from a cluster of N hard spheres, in particular for N=3 and 4, is discussed. In addition, the case of planar scattering from three disks is considered. The scattering is chaotic and shows a fractal structure, whose fractal dimension increases with the number of spheres as well as with the ratio radius/distance. The scattering system can be reinterpreted as a system of polished balls reflecting each other, which generates a fascinating nested structure of fractal mirror images.

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