Carbon nanotubes would make ideal connecting wires in advanced circuits if not for the painstaking effort required to line up each tiny, sticky, floppy strand.

• 奈米碳管相当适合做成先进电路中的线路，但要将细小黏稠又松软难以控制的奈米管条拉成线条，却是件十分吃力的工作。