How Do Polarized Sunglasses Work?

The useful glare-blocking properties of polarized sunglasses are well-known to just about anyone who goes outside. What isn’t so well-known is how they reduce glare in the first place. That answer is deceptively complicated!

Hosted by: Hank Green

Head to https://scishowfinds.com/ for hand selected artifacts of the universe!
———-
Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow
———-
Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Sam Lutfi, D.A. Noe, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Patrick D. Ashmore, Tim Curwick, charles george, Kevin Bealer, Chris Peters
———-
Looking for SciShow elsewhere on the internet?
Facebook: http://www.facebook.com/scishow
Twitter: http://www.twitter.com/scishow
Tumblr: http://scishow.tumblr.com
Instagram: http://instagram.com/thescishow
———-
Sources:
https://www.rp-photonics.com/brewsters_angle.html
https://www.edmundoptics.com/resources/application-notes/optics/introduction-to-polarization/
https://physics.tutorvista.com/waves/transverse-waves.html
http://users.physics.harvard.edu/~schwartz/15cFiles/Lecture14-Polarization.pdf
https://www.sunglasswarehouse.com/blog/what-are-polarized-sunglasses/
https://science.howstuffworks.com/innovation/everyday-innovations/sunglass6.htm
http://galileo.phys.virginia.edu/outreach/8thgradesol/PolarizedLight.htm
http://www.physicsclassroom.com/class/light/Lesson-1/Polarization
https://www.suncalc.org/
https://www.heavens-above.com/glossary.aspx?lat=0&lng=0&loc=Unspecified&alt=0&tz=UCT&term=altitude
https://courses.lumenlearning.com/physics/chapter/27-8-polarization/
http://physics.bu.edu/py106/notes/Polarization.html
https://www.edmundoptics.com/resources/faqs/optics/polarizers/what-is-the-difference-between-s–and-p-polarization-states/
http://micro.magnet.fsu.edu/primer/java/polarizedlight/brewster/
https://www.goodeyes.com/blog/polarized-lenses-work/
https://www.allaboutvision.com/sunglasses/polarized.htm
https://arxiv.org/pdf/physics/0606045.pdf
https://www.physicsforums.com/threads/understanding-brewsters-angle.708393/
https://courses.lumenlearning.com/boundless-physics/chapter/reflection-refraction-and-dispersion/

Leave a Reply