and so anyway it turns out that the best thing about Interstellar (2014), a film in which Matthew McConaughey both keeps his shirt on and plays a magical bookcase from a galaxy far, far away, is not that they gave the bloke responsible for Clippy, the annoying Word for Windows Office Assistant, a second chance – this time to design robots – but that, even without a credited science advisor, Christopher Nolan and his brother Jonathan managed to grasp relativistic time-dilation effects with such precise and unrelenting hard-sf rigour that for every hour spent on the sofa watching the movie an eternity seemed to pass…