Tiny T's

Published: Saturday 28 February 1998

Nanotechnology -- the branch of engineering dealing with incredibly small "micromachines" -- has something new to offer. Nanotechnologists Madhu Menon from University of Kentucky and Deepak Srivastava of the US National Aeronautics and Space Administration's Ames Research Center say that the tiny construction kit they are gradually putting together will also include T-junctions. The duo have simulated a technique for making the components: they suggest putting heptagons in the normally hexagonal molecular lattice from which carbon nanotubes are constructed to produce a curved joint between two perpendicular tubes (New Scientist , Vol 156, No 2109).

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