Even now, though, as the world of entertainment has become more high-tech, and immersive with virtual reality headsets and promenade theatre, odour remains the one element that is elusive and hard to replicate. But while Duerinck is determined his efforts won't stumble as others have done, he'll need to overcome four major challenges that have meant we're still not able to experience the acrid trace of gunpowder during an on-screen shoot-out, the intoxicating perfume of a femme fatale or the honest whiff of a sweaty action hero.
