As we are calling for debate-provoking nanotech products that might hit the shelves of the Supermarket in the next ten years, some products much crazier than the ones we could imagine, are already being produced today. A Chinese company called Blue Cross Bio-Medical is offering a foam condom for women made with silver "nanotech" particles. The female spray-on condom comes in a can with a plastic applicator. After the foam spray is squirted into the vagina it creates a physical membrane preventing conception and protecting against infection. The "formulated condom concentrate" contains polyvinyl alcohol resin and nano-silver, the antibacterial material that is increasingly found in air conditioners, washing machines and baby bottles. However, there has been concern that nano-scale silver particles may get into the water supply and potentially disrupt benign bacteria at water treatment plants. If the idea of a foam condom isn't persuasive enough, its mode of operation might tip the balance: it needs to be used no more than five minutes before sex. And then again immediately afterward. Enjoy ladies!? Via: H+ Magazine.