China’s Lenovo passes HP to become the world’s #1 PC maker

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Gartner announced yesterday that China’s Lenovo has passed HP to become the world’s No. 1 PC maker in the third quarter. The studies reinforce HP’s struggle against rival manufacturers and technologies as new CEO Meg Whitman tries to overhaul the stalled 73-year-old company.

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New MIT discovery prints carbon nanotubes on paper to create chemical sensors

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MIT chemists have printed carbon nanotubes on paper to create a sensor for detecting dangerous gases. The lines are printed on specially treated paper. When an electrical current is passed through the paper, the change in resistance indicates gas molecules that have bound to the printed nanotubes. The test sensor detected small traces of ammonia…

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