In physics, to qualify as another reality means it must lie beyond the four known space-time dimensions. Such a realm must also be inaccessible, like public restrooms in the Big Apple. Good examples, ...

Sir: Nicky Haslam’s Diary (14 February) was a hoot about language education and the ‘Can I do you now, Sir?’ pragmatism of the lower orders he refers to. His irreverence towards the elite, while being ...