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Short Wave Sportfishing wrote:
On Mon, 29 Oct 2007 09:41:03 -0400, "Eisboch" wrote: There is a school of thought that suggests that "beading" of water on a painted surface will cause paint damage unless you wash and wax very regularly. The beads of water act like miniature magnifying glasses, focusing and intensifying the sun's energy, burning through the wax and paint and permanently burning any dust or dirt into the surface. The wax is sacrificial and does not last very long. File this under learn something new everyday. I just read Wayne's post about sheeting water on his racer and your post on optics. Here's my question - what makes the water bead? Is it that it clings to the surface, or because it can't cling to the surface? Hydrophobic interaction. |
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