How Nanotechnology Works

Recently, researchers found that carbon nanotubes -- used in products like tennis rackets -- behaved like asbestos in lab mice. How can matter so small it can't even be detected with a light microscope be studied?

There's an unprecedented multidisciplinary convergence of scientists dedicated to the study of a world so small, we can't see it -- even with a light microscope. That world is the… » Full Story on HowStuffWorks