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Re: car windshields

--- Gary Karshner <karshner@STMARYTX.EDU> wrote:
The strain
glasses nuggets are not
sharp, where as shatterproof glasses shards can
cause cuts.


Unfortunately this is only a myth perpetuated by the
automotive industry. I spent a summer a couple of
years ago breaking various types of glass under
various stresses. This "safety glass" which is
supposed to break into small nuggets with no sharp
edges does so, but several minutes after fracture.
This is of no benefit to those in a car accident who
encounter the sharp glass shards in seconds or less.

Zach Wolff
University of Arizona


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