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Anti-Fog Nanocoating

August 30th, 2005 | Filed under: Future, Materials, Nanotech, Products, Technology | 1 Comment »

With the help of nanotachonlogy, foggy windows, foggy goggles, and foggy glasses are about to meet the ultimate anti-fog treatment developed by a group of scientists at MIT. Soon, you’ll be telling your kids how, back in the day, you used to entertain yourself by writing profanities in foggy windows.


When fogging occurs, thousands of tiny water droplets condense on glass and other surfaces. The droplets scatter light in random patterns, causing the surfaces to become translucent or foggy. . . The new coating prevents this process from occurring, primarily through its super-hydrophilic, or water-loving, nature, Rubner says. The nanoparticles in the coating strongly attract the water droplets and force them to form much smaller contact angles with the surface. As a result, the droplets flatten and merge into a uniform, transparent sheet rather than forming countless individual light-scattering spheres. “The coating basically causes water that hits the surfaces to develop a sustained sheeting effect, and that prevents fogging,”

via EurekAlert


One Comment on “Anti-Fog Nanocoating”

  1. 1 sauceruney said at 12:26 am on September 1st, 2005:

    now I wonder how heavy rain reacts to this coating

    I’ve been swearing by rain-x for the longest time. It would be interesting to see a comparison.


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