Image of atom clusters and carbon nanotube with a blood platelet (left) and Andromeda galaxy (far right) in the background. A single-walled zig-zag carbon nanotube protrudes from the multiwall tube at the far left, with a buckyball and some metal atom clusters near center. The blue polygons and the grey atoms make up elements of the 3mm perforated single crystal silicon specimen on which the blood cell and the nanotube lie.

This closeup was captured using the space-based version of our intro-chemistry nano-world explorer. If you get a chance, fire this applet up through your browser and see if you can determine the crystal structure of any atom clusters you can find.

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