Kyle McDonald on X: "if you've ever tried to use a smartphone while wearing polarized sunglasses, you've seen how the screen "dims". i've dreamt of using this technique to build a camera
Why, when wearing sunglasses, can I view my phone very well vertically, but it disappears when I turn it horizontally? - Quora
![TIL - using the HTC 10 (when wearing polarized sunglasses) you can't see the vertical screen. Only portrait mode is visible. : r/Android TIL - using the HTC 10 (when wearing polarized sunglasses) you can't see the vertical screen. Only portrait mode is visible. : r/Android](https://external-preview.redd.it/pNvPwz_BntxnIzGC1PtMMH0PDjSRGv9cTdffWJKS1HQ.jpg?auto=webp&s=5e1285ec1d8f7997de6a52323b8cd4dd9aed1c90)