Five years after the divorce, my ex-husband chose the seat next to mine in first class — there were four empty ones

She is forty-five, she was at university with me, and in 2020 she was a senior engineer at an independent testing body.

And here is what we were doing.

In the September of 2020 I found a defect.

Aldritch Systems makes structural monitoring — sensor arrays that go onto bridges, car parks, older commercial buildings, and report on movement and load.

The whole value of it is that it tells you when something is going wrong before a person can see it.