User talk:163.158.132.63

January 2021
Hello, I'm DVdm. I noticed that you made a change to an article, Gravitational potential, but you didn't provide a source. I’ve removed it for now, but if you’d like to include a citation to a reliable source and re-add it, please do so! If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. DVdm (talk) 22:52, 14 January 2021 (UTC)
 * If this is a shared IP address, and you did not make the edits referred to above, consider creating an account for yourself or logging in with an existing account so that you can avoid further irrelevant notices.

Please do not add or significantly change content without citing verifiable and reliable sources. Before making any potentially controversial edits, it is recommended that you discuss them first on the article's talk page. Please review the guidelines at Citing sources and take this opportunity to add references to the article. DVdm (talk) 01:25, 15 January 2021 (UTC)

March 2021
Please stop your disruptive editing. If you continue to add unsourced or poorly sourced content, as you did at Gravitoelectromagnetism, you may be blocked from editing. - DVdm (talk) 11:26, 11 March 2021 (UTC)