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
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
Lots of this stuff is actually in the Archives off the Home Page.
http://www.straightdope.com/classics/a3_356a.html