User talk:2A00:1398:4:4603:46C4:14A0:A809:53C9

July 2018
Hello, I'm Z0. I wanted to let you know that I reverted one of your recent contributions —specifically this edit to Particle in a box— 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 or my talk page. Thank you. The editor  whose username is Z0 10:05, 19 July 2018 (UTC)
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