You've seen those viral videos of colorblind people putting on special glasses and reacting to colors they've never seen before! Today, we'll explore how colorblindness works and what those glasses try to do to fix it!

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Sources:
https://nei.nih.gov/health/color_blindness/facts_about
http://cen.acs.org/articles/95/i6/Experimenting-EnChromas-color-blind-assistance.html
http://www.smithsonianmag.com/innovation/scientist-accidentally-developed-sunglasses-that-could-correct-color-blindness-180954456/?no-ist
https://pogue.blogs.nytimes.com/2013/08/15/glasses-that-solve-colorblindness-for-a-big-price-tag/?_r=1
https://www.ncbi.nlm.nih.gov/pubmed/6971497
www.dtic.mil/get-tr-doc/pdf?AD=ADA093031
http://faculty.washington.edu/sbuck/545ColorClass/Sharpe%26Jagle.2001.pdf
http://www.sciencedirect.com/science/article/pii/S003962578180001X
http://faculty.washington.edu/sbuck/545ColorClass/Sharpe%26Jagle.2001.pdf
https://www.microsoft.com/en-us/garage/profiles/color-binoculars/

Images:
https://commons.wikimedia.org/wiki/File:Cone-fundamentals-with-srgb-spectrum.svg
https://commons.wikimedia.org/wiki/File:%D0%92%D0%B5%D1%87%D1%96%D1%80_%D0%BD%D0%B0_%22%D1%96%D0%BD%D1%82%D0%B5%D0%B3%D1%80%D0%B0%D0%BB%D1%96%22_-_%D1%80%D1%96%D1%87%D0%BA%D0%B0_%D0%9F%D1%96%D0%B2%D0%B4%D0%B5%D0%BD%D0%BD%D0%B8%D0%B9_%D0%91%D1%83%D0%B3.jpg
https://commons.wikimedia.org/wiki/File:Deuteranopia_sight.jpg
https://commons.wikimedia.org/wiki/File:Ishihara_9.png