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Gold nanowires have been produced by the self‐assembly of gold nanoparticles onto multi‐walled carbon nanotubes. The nanotubes were mixed with a suspension of gold nanoparticles, resulting in a decrease in color intensity of the suspension, and indicating binding between the nanotubes and the gold (see Figure). Subsequent heating in air for 2 min gave rise to continuous nanowires up to 10 μm in length (see also cover).