User talk:140.0.76.208

Reversions on Attosecond and Picosecond
Hello! I'm Cretheus. Your recent edit(s) to the page Attosecond appear to have added incorrect information, so they have been reverted for now. If you believe the information you added was correct, please cite a reliable source or discuss your change on the article's talk page. 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. (The same applies to your recent edits to Picosecond.)