User talk:142.33.42.195

October 2011
Welcome to Wikipedia. Although everyone is welcome to contribute to Wikipedia, at least one of your recent edits, such as the edit you made to Doppler effect has been reverted, as it appears to be unconstructive. Use the sandbox for testing; if you believe the edit was constructive, ensure that you provide an informative edit summary. You may also wish to read the introduction to editing. Thank you.  Falcon8765  (T ALK ) 18:08, 3 October 2011 (UTC)

Please refrain from making unconstructive edits to Wikipedia, as you did at Doppler effect with this edit. Your edits appear to constitute vandalism and have been reverted or removed. If you would like to experiment, please use the sandbox. Thank you.  Falcon8765  (T ALK ) 18:10, 3 October 2011 (UTC)