User talk:200.30.165.101

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April 2016[change source]

Welcome to Wikipedia. Everyone is welcome to make helpful changes to Wikipedia. However, some of your changes, like those to "Young's double-slit experiment", did not seem to be helpful and have been reverted or removed. If you want to try out changing Wikipedia to learn more about how it works, please use the sandbox. Thank you. Etamni | ✉   10:03, 27 April 2016 (UTC)[reply]

If this is a shared IP address, and you didn't make the change, consider creating an account for yourself so you can avoid further irrelevant notices.