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March 4th, 2004
After years of promise, nanotubes can deliver
Three years ago, carbon nanotubes made gold look like dirt. A pound of gold at the time cost just $3,500, a pittance compared with the going rate of half a million dollars per pound of nanotubes. With 100 times the strength of steel at a fraction the weight, electrical conductivity and high heat resistance, a carbon-based nanotube is certainly the Superman of the polymer world. But its prohibitive cost precluded any practical use. One Houston company is now beginning, however, to deliver on the vast promise of nanotechnology.
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