Product from the future: spray-on liquid glass FEB 11 2010
This article about spray-on glass reads almost like a press release -- "liquid glass spray is perhaps the most important nanotechnology product to emerge to date" -- but even if half the claims are true, this stuff is going to be amazing.
The liquid glass spray produces a water-resistant coating only around 100 nanometers (15-30 molecules) thick. On this nanoscale the glass is highly flexible and breathable. The coating is environmentally harmless and non-toxic, and easy to clean using only water or a simple wipe with a damp cloth. It repels bacteria, water and dirt, and resists heat, UV light and even acids. UK project manager with Nanopool, Neil McClelland, said soon almost every product you purchase will be coated with liquid glass.
They're even taking about spraying it on clothes as an anti-stain mechanism and on plants to keep pests and such away. Spray-on condom, anyone? (via @daveg)