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eggo
09-19-1999, 03:24 PM
i remember this being posted a while back but i never caught the answer. why is it when pourous materials get wet they appear darker?

eggo
tomndebb
09-19-1999, 04:31 PM
Lots of this stuff is actually in the Archives off the Home Page.
http://www.straightdope.com/classics/a3_356a.html