This site is no longer being updated. The Vega Science Trust closed in March 2012, and this site has been left here for reference purposes.

In this short science video we show how a sheet of graphite (hexagons) can be modified to make closed cages and tubes.  In real life the smallest of these tubes are only 1/100,000,000 meter in diameter - a nanometer (nm) - hence they are called nanotubes.  Depending on the way the hexagons are arranged three types of carbon nanotubes are possible: zig-zag, armchair and spiral.  Each promises unusual and interesting properties.





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