Saving a Shipwreck

Adrienne Murray meets the team using technology to preserve a historic warship in Sweden. Shiona McCallum has a round-up of the key innovations and trends on show at VivaTech in Paris. Suranjana Tewari heads behind the scenes of a driverless taxi service in Beijing. And as the summer music festival season gets underway, Andrew Rogers reviews some of the latest ear defender tech on the market.