Blue may be the warmest colour, but the prurient gossip and rumour-mongering circulating the making of Abdellatif Kechiche’s Palm D’Or-winning movie has generated heat enough to obscure the truth of the film itself. But if you dismiss the salacious tabloid indignation and the leering, sensationalist headline-grabbing subject matter you’ll discover a work which is, at heart, a tender and deeply…

Typical. You wait years for stirring tales of British ingenuity and wartime innovation and then two come along at the same time. There’s a great deal of overlap between the story of Robert Watson Watt’s pioneering work to create radar in “Castles In The Sky” and Alan Turing’s quest to crack Nazi Germany’s impenetrable Enigma code in “The Imitation Game”. The stark differences come when the…