User talk:125.239.105.139

December 2020
Hello, I'm DVdm. An edit that you recently made to Double-slit experiment seemed to be a test and has been removed. If you want to practice editing, please use the sandbox. If you think a mistake was made, or if you have any questions, you can leave me a message on my talk page. Thanks! - DVdm (talk) 11:12, 8 December 2020 (UTC)