BBCWorldwide just uploaded a video

BBCWorldwide has uploaded How to Extract Gold from a Circuit Board - Bang Goes the Theory - BBC How to Extract Gold from a Circuit Board - Bang Goes the Theory - BBC by BBCWorldwide Jem Stansfield shows how it is possible to extract pure Gold from some old electronic circuit boards. Incredible clip from acclaimed BBC 1 science series, Bang Goes the Theory. Subscribe to the BBC Worldwide channel: http://bit.ly/yqBWhy BBC Worldwide Channel: http://www.youtube.com/BBCWorldwide You were sent this email because you chose to receive updates about new videos uploaded by BBCWorldwide. If you don't want these updates anymore, you can change your preferences by visiting the subscription manager. ©2013 YouTube, LLC 901 Cherry Ave, San Bruno, CA 94066