Recycling, GPS and Magic Tricks Bang Goes the Theory : Season 4 Episode 8
BBC One 30m int(0)
Aired: May 2nd, 2011 @ 7:30 PM EST on BBC One
Jem visits a mega-plant in Sussex to investigate the future of recycling. Dallas explains how GPS works and how it is changing our world, and Dr Yan uses science to crack the classic magic trick in which a table cloth is whipped from under a dinner service.