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On 7 Jun 99, at 10:23, Thomas Mogombus wrote: > How does 'reducing the total surface area' make a metal surface shiny? The minimum surface area is a flat surface. Any peaks or valleys that you add just increase the surface area. These peaks and valleys also cause light to be scattered in random directions, so when the surface reflects light most like a mirror (minimum random scattering) that is when the surface is flattest. Jim - ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ------------------------------------------------------------------- List info at http://www.vwtype3.org/list or mailto:help@vwtype3.org