How To Tell If Your Sunglasses are Polarized

Try this one simple trick to test if your sunglasses are really polarized 😎☀️ thanks to Physics Prof. Jesse Heilman for the explainer!
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[LMF]

This should work with LCD phone screens, but probably won't work with OLED phone screens because they don't use polarised light.

[carloegema]

Does looking at a phone without polarized lenses make the screen look
rainbow ish

[mostlymessingabout]

Only crappy old eye phones are polarised. Modern android aren't