why sky is blue

From: Jeff Mapes (j1mapes@cinci.rr.com)
Date: Thu Feb 02 2006 - 12:59:33 PST


see in the exploratorium it said to use a polaizing filer. But where it never said what to do with it. i need an answer in less than 3 days.



This archive was generated by hypermail 2.1.3 : Mon Apr 24 2006 - 11:34:52 PDT