User talk:60.242.146.196

September 2011
Welcome and thank you for experimenting with Wikipedia. Your test on the page Uncertainty principle worked, and it has been reverted or removed. However, if you would like to experiment further, please use the sandbox instead. Please take a look at the welcome page to learn more about contributing to this encyclopedia. Thank you.  Velella  Velella Talk 09:11, 23 September 2011 (UTC)