![optics - How does holding a hair against a computer screen produce B&W (when held horizontally) and visible light spectrum (when held vertically) patterns? - Physics Stack Exchange optics - How does holding a hair against a computer screen produce B&W (when held horizontally) and visible light spectrum (when held vertically) patterns? - Physics Stack Exchange](https://i.stack.imgur.com/Y5o3L.jpg)
optics - How does holding a hair against a computer screen produce B&W (when held horizontally) and visible light spectrum (when held vertically) patterns? - Physics Stack Exchange
![They put a fake hair on the screen so try to swipe up to get it off and it brings you to the download page : r/assholedesign They put a fake hair on the screen so try to swipe up to get it off and it brings you to the download page : r/assholedesign](https://preview.redd.it/85ulais6qym51.jpg?auto=webp&s=b6e6c71789fc5a93e490b6d293b133c3278b727f)
They put a fake hair on the screen so try to swipe up to get it off and it brings you to the download page : r/assholedesign
![optics - How does holding a hair against a computer screen produce B&W (when held horizontally) and visible light spectrum (when held vertically) patterns? - Physics Stack Exchange optics - How does holding a hair against a computer screen produce B&W (when held horizontally) and visible light spectrum (when held vertically) patterns? - Physics Stack Exchange](https://i.stack.imgur.com/DIqex.jpg)