>Spray-on liquid glass is transparent, non-toxic, and can protect virtually any surface against almost any damage from hazards such as water, UV radiation, dirt, heat, and bacterial infections. The coating is also flexible and breathable, which makes it suitable for use on an enormous array of products.
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>http://www.physorg.com/news184310039.html

Finally a real world use of nanotechnology. I wonder what $8 will get me? Enough to 'wax' the car?