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Polarized sunglasses allow you to see the orientation of light. That combined with birefringence can help you see patterns of stress inside materials. But how does that work exactly?
00:00 Cold Open
00:39 Polarization Explained
03:24 Birefringence Explained
04:18 Pattern Examples
05:18 Types of Glass
06:17 Breaking Glass
07:51 Summary
08:17 Sponsor Message
09:26 Outro
09:50 Featured Comment
Nick Lucid - Host/Writer/Editor/Animator
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VIDEO ANNOTATIONS/CARDS
Optics Playlist:
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RELATED YOUTUBE VIDEOS
PhysicsGirl on Birefringence and Polarization:
https://youtu.be/CSu0cV3fqi8
Smarter Every Day on Car Window Safety:
https://youtu.be/0i5rycLJ3D8
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OTHER SOURCES
http://hyperphysics.phy-astr.gsu.edu/hbase/phyopt/polar.html
http://hyperphysics.phy-astr.gsu.edu/hbase/phyopt/polabs.html
http://hyperphysics.phy-astr.gsu.edu/hbase/phyopt/biref.html
https://depts.washington.edu/mictech/optics/me557/photoelasticity.pdf
https://www.constructionspecifier.com/fully-tempered-glass-and-spontaneous-fracture/
https://www.viracon.com/wp-content/uploads/2020/03/VTT-009_QuenchPatternCharacteristics.pdf
https://www.cardinalcorp.com/source/pdf/tsb/fg/FG01_01-2016.pdf
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LINKS TO COMMENTS
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