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Fuhriman, Mark writes: > > > > As glass becomes brittle over time, I guess it becomes less > > > > dense and hence allows more UV radiation in. > > > > > Uh? You mean the glass gets thicker, or lighter? > > > > I think Dave is trying to diplomatically say "No way!" > > Well, does glass become more brittle over time or not? I thought it did. > If it does, something has to give, so I'd say the glass must become thicker. > Probably not thick enough to measure at home though. Given enough time (and heat), glass will settle, that is, become thicker at the bottom and thinner at the top. Another way to look at it (he he) is that your windshield will become thinner from all the pits in it. Tim Dapper ------------------------------------------------------------------- Too much? Digest! mailto:type3-d-request@vwtype3.org Subj=subscribe