User talk:185.144.162.74

November 2021
Hello, I'm DVdm. An edit that you recently made to Uncertainty principle seemed to be a test and has been reverted. 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) 13:42, 6 November 2021 (UTC)