Hang on.. it’s AUTOMATICALLY a surface because it’s “something” But it’s not continuous energy – it oscillates.. Posted on February 22, 2022 by Kenneth Udut Leave a comment Hang on.. it’s AUTOMATICALLY a surface because it’s “something” But it’s not continuous energy – it oscillates.. [responsivevoice_button voice="US English Male"] Leave a comment Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment. 4 + = twelve Leave a Reply