Nanopaper Can Identify Deadly Bacteria in the Water

Worried about the bacteria in your water? Just dip a test-strip coated with a special mix of nanoparticles into your glass, and watch the result. If the strip changes color, don't drink. Researchers at the Georgia Institute of Technology and the University of Massachusetts have devised a way to instantly identify… » 4/04/08 7:40am 4/04/08 7:40am