Gina Miller writes "Nature Science Update reports: titanium dioxide nanoparticles break down carbon based molecules when induced by sunlight. This process is speculated to be a good canditate for self cleaning fabrics if coated ontop of the material at 20 nano meteres across. Gee, let us calculate how much time the average housewife would save if this simple coating could be achieved….hold on I'm still calculating….This process could also be used to target dirt, the environment and other nasty critters. This work has been done by Walid Daoud and John Xin of Hong Kong Polytechnic University. My house (and dog hair) is ready for this advancement. : )"
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