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Behold the strength of carbon nanotubes

New tests of carbon nanotubes--those tiny cylinders expected to revolutionize medicine, electronics, warfare, and more--reveal that, ounce-for-ounce, they are 117 times stronger than steel and 30 times stronger than Kevlar used in bicycle tires and bulletproof vests.

The nanotubes, roughly 50,000 of which add up to the width of an average strand of human hair, are already known for their strength. But this latest research, led by Stephen Cronin, electrical engineering assistant professor at the University of Southern California, tested individual carbon nanotubes of various lengths and widths by applying what is being rather unscientifically described as "… Read more