Simple Polarimeter and Polarization Art

This DIY device is part of the polarization kit that you will get from a MEL Physics subscription:

Subscribe to: MEL Physics (click to see the contents of this great kit). 

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Simple Polarimeter and Polarization Art: another amazing experiment from the MEL Physics polarization science kit. Geometric patterns of overlapping cellophane tape with color revealed when viewed with linear polarizing filters- create your own polarization art! This kit provides two linear polarizing sheets that when oriented at 90 degrees creates this device that reveals rainbows hidden within the patterns of polarization in the light transmitted by various objects. In the first video the layers of cellophane rotate the polarization of some light frequencies more than others. In the second video the polarimeter colorfully reveals the trapped internal stresses created in many plastics from their formation process (typically cooling of a liquid in a mold). All items shown included in this kit (plus much more).