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Last Updated:
Wednesday, 3 September, 2003, 16:17 GMT 17:17 UK
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In pictures: Building nanostructures
1 of 7
Creating nano-scale test tubes starts with this molecule - triangular-shaped melamine
2 of 7
Melamine must be combined with this - a rectangular-shaped derivative of perylene.
3 of 7
This is what the two chemicals look like, with melamine on the right
4 of 7
They are put together and heated in this £250,000 machine
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The chemicals bond like this
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They create a honeycomb structure with the gaps in the middle acting as tiny test tubes about 20 atoms in diameter
7 of 7
This is what the honeycomb looks like through a high-powered microscope
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