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 scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: 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: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Instagram: instagram.com/thescishow ---------- Sources: www.rp-photonics.com/brewsters_angle.html www.edmundoptics.com/resources/application-notes/optics/introduction-to-polarization/ physics.tutorvista.com/waves/transverse-waves.html users.physics.harvard.edu/~schwartz/15cFiles/Lecture14-Polarization.pdf www.sunglasswarehouse.com/blog/what-are-polarized-sunglasses/ science.howstuffworks.com/innovation/everyday-innovations/sunglass6.htm galileo.phys.virginia.edu/outreach/8thgradesol/PolarizedLight.htm www.physicsclassroom.com/class/light/Lesson-1/Polarization www.suncalc.org/ www.heavens-above.com/glossary.aspx?lat=0&lng=0&loc=Unspecified&alt=0&tz=UCT&term=altitude courses.lumenlearning.com/physics/chapter/27-8-polarization/ physics.bu.edu/py106/notes/Polarization.html www.edmundoptics.com/resources/faqs/optics/polarizers/what-is-the-difference-between-s--and-p-polarization-states/ micro.magnet.fsu.edu/primer/java/polarizedlight/brewster/ www.goodeyes.com/blog/polarized-lenses-work/ www.allaboutvision.com/sunglasses/polarized.htm arxiv.org/pdf/physics/0606045.pdf www.physicsforums.com/threads/understanding-brewsters-angle.708393/ courses.lumenlearning.com/boundless-physics/chapter/reflection-refraction-and-dispersion/

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