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Science News for September 17, 2001


Supercomputer simulations reveal strongest carbon nanotubes

A team of researchers discovered a new type of carbon nanotube that is approximately 40 percent stronger than other nanotubes made using the same number of atoms. This breakthrough was achieved through supercomputer simulations at the San Diego Supercomputer Center and the University of Michigan.

SourcePenn State·JournalPhysical Review Letters·DateSep 17, 2001

Purple potato boost for organic food industry

Researchers at Newcastle University have discovered a purple potato variety that shows promise in resisting the devastating potato blight disease. The variety, grown commercially without using chemicals, could significantly impact the supply of organically-grown potatoes, improving availability and reducing costs for farmers.

Change in value of dollar dictates overseas production strategy, says O.R. study; exchange rate often overlooked

A new study by O.R. researchers found that the value of the dollar significantly impacts a company's decision on whether to export or invest in foreign production facilities. In depreciated currencies, strong exports favor the choice of ownership structure, while appreciated currencies favor investments in overseas production.