Episode 9 - S1.E9

Matt goes for a ride on a robotic roller-coaster. Graham discovers how superheated water is being used to produce electricity deep in the Australian outback, and looks at how mobile phones can pay for bus tickets using near field communication. Caroline looks at a bacterial nasal spray that is an alternative to antibiotics. Adam and Jamie test the myth that sharks have a colour preference. Hayden meets Clocky, a robotic alarm clock.