Sine Wave Witchcraft Admin at 8:12 am May 11, 2012 YouTube scientist brusspup alters the frequency of sound emanating from a speaker to create the illusions of frozen and backward-flowing water. You may find that you’ve wee’d yourself by the end. awesomer FacebookTwitterPinterestSponsored Link Related posts: The Invisible Speaker Water Under The Bridge Anything Good In The Connacht Tribune? Right So