Scientists have used carbon nanotubes to engineer the most powerful…

Will the wonders of carbon nanotubes never cease? Engineers have now used everyone's favorite cylindrical übermolecules to create artificial muscles that can contract and twist, in a manner not unlike like the muscles found in elephant trunks and squid tentacles. The upshot? Researchers say these tiny little motors… » 10/14/11 1:20pm 10/14/11 1:20pm