| | The Business Of Nanotech |
 | | Some 1,200 nano startups have emerged around the world, half of them in the U.S. Companies that long labored in dull-as-dishwater materials businesses are finding that they can create a stir by trumpeting their mastery over age-old particles, from specks of ceramic to soot. |
 | | Nano is not a single industry but a scale of engineering involving matter between 1 and 100 nanometers. |
 | | An even greater challenge for nano industries is to ensure that their new materials are safe in the human body and in the environment. |
| www.businessweek.com /magazine/content/05_07/b3920001_mz001.htm (3155 words) |