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I am invited to give a lot of talks, but surely it can鈥檛 just be because engineering is superb entertainment. If I鈥檓 honest, maybe I even do these talks more for me than for 鈥渢hem鈥� 鈥� impending public humiliation forcing some sort of useful self-examination. For a long time, I spoke like the Englishman in France whose English gets louder and louder in an effort to be understood. I found myself speaking ever more passionately about the 鈥淯nchained Engineer鈥� 鈥� the sort of mythical creature who would use the liberation of the digital age to do new and wonderful things. These talks generally follow the Olympic swimmer model, in which the 鈥渃hampion鈥� exclaims, 鈥淲atch me!鈥�, dives in, zooms effortlessly down to the other end of the pool, and says: 鈥淭hat鈥檚 how you do it 鈥� it鈥檚 really easy, now you have a go!鈥� But after many years of trying and despite using compelling evidence of the benefits of this path, as exemplified by our apparently heroic projects, I realised it doesn鈥檛 make any difference. In fact, I get applause, sometimes even a standing ovation and then if anything, I am met with benign expressions of the 鈥渨hat鈥檚 that got to do with me?鈥� variety.

So I made myself ask: 鈥淲hat does the Unchained Engineer have to do with them?鈥� And the answer turns out to be, not a lot to most people. To put it another way, do I have anything worth saying? Ignoring the obvious answer, I changed tack and now I witter on about the relationship between two words that you don鈥檛 often find in the same sentence: engineering and emotion. And the response in places from Leeds to Barcelona has been fascinating: lots of very personal engagement. 鈥淚 think we can say you were a hit,鈥� was one X Factor-type comment.

At one recent event I explored the part emotion plays in any given project, using the experience of shopping for the trousers I was wearing as a subjective case study

Maybe after all these years of trying I鈥檝e finally chanced upon something 鈥渢hey鈥� can relate to. But how does an engineer talk about emotions, when you can鈥檛 find 鈥渏oy鈥�, 鈥渞emorse鈥� or 鈥渇ear鈥� in a Eurocode. I鈥檝e used clips from an old BBC film I helped make, to show how our emotions infuse everything we do in construction and design. In it we see Roger the stonemason dealing with his own timeless engineering material, trying to break apart a giant block of limestone using only the expansion force from wet timber wedges. Confident initially, under sunny blue skies he expresses the emotion of jolly 鈥渁nticipation鈥� about his technique. Three days later, wet through from a persistent drizzle, he demonstrates rueful 鈥渟adness鈥� when the limestone finally cracks 鈥� but in the wrong place. Another sequence, one that I am a little more embarrassed about, is a rather stout exchange (鈥渁nger鈥�) about what I felt were over-the-top health and safety precautions in a conversation between the BBC鈥檚 engineer, me, and the construction manager, Mace鈥檚 irreplaceable and unflappable Bob Gordon.

At one recent event I explored the part emotion plays in any given project, using the experience of shopping for the trousers I was wearing as a subjective case study. But as we discovered when we were teaching students at Imperial, there is no place for emotion or subjectivity in an engineering curriculum. Oh no, let鈥檚 major on infallibility, predictability, safety and conservatism. How different is that dusty impersonal theory to real human practice, in which, to give just one example, Norman Foster once tried to break a chair over my head in a design meeting (I think he was joking, but I ducked just in case).

The feeling of exposure heightens awareness, but it鈥檚 lost on many of today鈥檚 engineers whose lives have become too comfortable

How do I know that this link with our emotion is striking a chord? Well, perhaps I can quote one recent observer: 鈥淎fter yesterday鈥檚 lecture, I came home, crying and thinking to myself 鈥榳here has all my passion gone?鈥� I got home and put my plan together. I feel scared as hell, but I know this is the wise thing to do. I blame you for making me quit my job.鈥�

Now I really start to feel the burden 鈥� unwittingly changing someone鈥檚 career for goodness sake 鈥� but there are many precedents in the strong link between emotion, design and trailblazing activity of the type we try to practice, and we have to live by the consequences. That same feeling of exposure heightens awareness, but it鈥檚 lost on many of today鈥檚 engineers whose lives have become too comfortable. Judging from the reaction of recent audiences, emotion does have a part to play in the engineering world. To see the intimate link between design, manufacture and emotion we need look no further than the 鈥淲ipers Times鈥� trench newspaper, which at Ypres advertised exceedingly useful 鈥渂rown velveteen trousers for those who are about to go over the top鈥�. Now there鈥檚 a comforting piece of design work.

Chris Wise is director of Expedition Engineering