July 2011
editWelcome to Wikipedia. Although everyone is welcome to contribute to Wikipedia, at least one of your recent edits, such as the one you made to Magnetic field with this edit, has been reverted, as it appears to be unconstructive. For constructive edits, always provide an informative edit summary so that editors have a brief description of your intentions. If you want to try out how editing Wikipedia works, please edit the sandbox page and not encyclopedia articles. If you have questions about editing Wikipedia, you might want to take a look at this tutorial. You may also wish to read the introduction to editing. Thank you. Harry (talk) 06:38, 31 July 2011 (UTC)
 | This is the discussion page for an IP user, identified by the user's IP address. Many IP addresses change periodically, and are often shared by several users. If you are an IP user, you may create an account or log in to avoid future confusion with other IP users. Registering also hides your IP address. |