!!!! Carbon nanotube

==== Articles

https://en.wikipedia.org/wiki/Nanotube
https://en.wikipedia.org/wiki/Carbon_Nanotube
https://en.wikipedia.org/wiki/Mechanical_properties_of_carbon_nanotubes
https://en.wikipedia.org/wiki/Graphene_helix
https://en.wikipedia.org/wiki/Quantum_wire

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