User talk:Hacker123243

Hello, I'm Kurousagi. I wanted to let you know that one or more of your recent contributions to Optics has been undone because it did not appear constructive. If you would like to experiment, please use the sandbox. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. - K u r o 10:54, 11 May 2016 (UTC) You have been blocked indefinitely from editing for abuse of editing privileges. If you think there are good reasons why you should be unblocked, you may appeal this block by first reading the guide to appealing blocks, then adding the following text to the bottom of your talk page:. Materialscientist (talk) 11:00, 11 May 2016 (UTC)