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| Able cable: The coaxial cable is based around a carbon nanotube (a), which is grown on a glass substrate. The nanotube is then coated with aluminium oxide (b) followed by chromium (c). The nanotubes were grown in arrays by a process pioneered by Boston College's Zhifeng Ren. (Images: Courtesy Jakub Rybczynski of Boston College). |
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