Great question! I think this is a tricky one to answer, because engineers are involved in so many aspects of life.
To name a few examples, there are:
mechanical engineers (e.g. designing cars, pumps)
electrical engineers (e.g. designing electronics, power lines)
aeronautical engineers (e.g. designing aircraft, spacecraft)
civil engineers (e.g. designing structures such as bridges, dams, roads)
chemical engineering (fluid processing and separation)…
…the list could go on for a long time! A lack of all this expertise would make fundamental tasks and processes become very inefficient because nobody would be there to optimise them.
Looking forward, one of the biggest challenges that we will face as a country (and species!) is going to be in generating and conserving energy… and
we will certainly need engineers with the skills to tackle these problems!
Someone once described a world to me, that didn’t have engineers as a world where we would be stood naked in a forest – because engineers have an impact on every aspect of our lives.
If all the engineers disappeared tomorrow, we would probably find the internet stopped pretty soon, then the power would go and slowly all the infrastructure would fall down and we would run out of petrol for our cars. It’s definitely not a world I would want to live in!
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