On the morning of May 18, 2012, Sam Bompas and his business partner Harry Parr were waist-deep in lime jelly. The two men wore red jumpsuits, all the better to stand out against more than 66,000 gallons of gelatin the color and consistency of the ectoplasm in Ghostbusters. Above them was the hulking, ironclad bow of the SS Great Britain, a Victorian transatlantic steamship that now serves as a museum piece. Normally, the ship stays moored in a glass display in the Great Western Dockyard in Bristol’s Floating Harbour. But…
