User talk:2001:8003:8C1A:B800:A865:F972:9B4F:9599

Thank you for experimenting with the page Planck constant on Wikipedia. Your test worked, and it has been reverted or removed. Please use the sandbox for any other tests you may want to do. Take a look at the welcome page to learn more about contributing to our encyclopedia. -- The Anome (talk) 11:16, 7 February 2020 (UTC)