In the two minutes between 21:48 and 21:50 GMT on Tuesday, 18 November last year, the Glasgow Geothermal Observatory, stationed in Dalmarnock in the east of the city, picked up some seismic activity just over a mile away at Hampden Park. The noise, they noted, was akin to an extremely small earthquake - because between 21:48 and 21:50 on that Tuesday, Kenny McLean launched a shot 50 yards through ...