Electric Cars Part One The team kick off their scientific trek with an electric car trial out of Perth. Land Speed Record Dr Derek Muller ditches electric cars in favour of a rocket vehicle. Electric Cars Part Two Simon Pampena discovers his sporty electric Lotus can't quite go the distance. Leaning Tower Dr Derek Muller turns watermelons into fruit salad in the name of physics. Future Farm Our trio measure how much methane sheep actually burp and a clever way to reduce their emissions.