At this site from the Exploratorium, you'll find out how to make interference patterns with two pieces of Plexiglas™. The patterns, similar to the ones you may have seen in soap bubbles, change as you gently squeeze the Plexiglas™. The site also has an explanation of the physics involved and extension activities using a colored filter and a sodium-vapor lamp. This activity is part of Exploratorium's Science Snacks series.
%0 Electronic Source %D July 30, 2006 %T Bridge Light %I Exploratorium %V 2014 %N 22 December 2014 %8 July 30, 2006 %9 text/html %U http://www.exploratorium.edu/snacks/bridge_light/
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