Plot: Known as one of the toughest races in the world, the America’s Cup presents a unique challenge as the rules and specifications change each time it takes place. We talk to Team Principal and the world’s most successful Olympic sailor, Sir Ben Ainslie, and see how technology is helping to design not only the boat but also to prepare the crew for this arduous voyage We also look at the latest hardware from Google and go underwater to explore the tech that is helping to protect coral reef in Australia