User talk:2601:143:400:547B:94F6:2347:9F50:AC34

August 2019[edit]

Hello, I'm ST47. I wanted to let you know that I reverted one of your recent contributions —specifically this edit to Length contraction— because it 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 Help desk. Thanks. ST47 (talk) 23:57, 27 August 2019 (UTC)[reply]

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 change content, as you did at Time dilation, without citing a reliable source. Please review the guidelines at Wikipedia:Citing sources and take this opportunity to add references to the article. Thank you. - DVdm (talk) 18:10, 28 August 2019 (UTC)[reply]

Please stop adding unsourced content, as you did on Length contraction. This violates Wikipedia's policy on verifiability. If you continue to do so, you may be blocked from editing Wikipedia. - DVdm (talk) 07:51, 30 August 2019 (UTC)[reply]

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