The sensors have many potential practical uses - in Government buildings, train carriages, cargo containers, on a soldier's lapel - and are a thousand times cheaper than current sensors that are used for the same purpose.
Quite a few people have commented during the campaign that more help is required for small businesses. SMEs need support and encouragement in their early stages, and in Cambridge the links to the University and the huge pool of expertise here helps that.
With the club now in administration and concern about where the money for land sale has gone, I know there are huge commercial difficulties to be resolved, but I hope that football will once again become the most important issue.
I had hoped that the board would accept Johnny Hon's offer of a loan to buy the stadium back for the club, as I think this would be best way of continuing the long tradition of Cambridge United in Cambridge - and it was a generous offer.
Elections are also about the future - the pledges that we are making for this country. For those who care about equality and fairness in the UK, and beyond, Labour really is the only choice.
