User talk:2404:E801:2001:1854:A8EF:3CF5:25C3:38AD

April 2020
Hello, I'm TheImaCow. I wanted to let you know that one or more of your recent contributions to Angle of incidence (optics) have been undone because they did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Teahouse. Thanks. TheImaCow (talk) 03:05, 20 April 2020 (UTC)

Please refrain from making unconstructive edits to Wikipedia, as you did at Angle of incidence (optics). Your edits appear to constitute vandalism and have been reverted. If you would like to experiment, please use the sandbox. Repeated vandalism may result in the loss of editing privileges. Thank you. TheImaCow (talk) 03:08, 20 April 2020 (UTC)