Tech expert Steve Caplin tells us of BA sourcing jet fuel from chip fat, of the flying taxi firm that wants to expand into the UK, of how driverless cars might be controlled if things go wrong and how having no street lights might actually reduce crime. He also discusses e-ink chalk boards, Dyson's headphone with an air-filtering visor, whether mobile phones really do cause brain tumours, how the Chinese have developed the a soft robot made of slime and how one hotel in Venice is tackling the seagull menace.
