In Photos: Bang Goes the Theory Bang Goes the Theory undertakes the science experiments you've always wanted to do! of 10 Liz Bonnin Find out more about Liz Bonnin in her profile. Dr Yan Wong Find out more about Dr Yan Wong in his profile. Jem Stansfield Find out more about Jem Stansfield in his profile. Dallas Campbell Find out more about Dallas Campbell in his profile. The Presenters Presenters: Yan, Jem, Liz and Dallas. Liz Bonnin Presenter Liz Bonnin (left) onboard a boat with Craig Venter genetic engineering. From Episode 1 of Series 1. Vortex Cannon Jem Stansfield builds a vortex cannon. From Episode 1 of Series 1. Jet-Pack Engineer Jem sets himself another challenge: to build and fly a water-powered jet-pack, with the help of the fire service. From Episode 2 of Series 1. Spiderman Jem Stansfield uses two domestic vacuum cleaners to climb up the side of a building. From Episode 3 of Series 1. Magnetic Cows Magnetic cows. From Episode 4 of Series 1. Slideshow Pause Show Images Hide Images Tweet