A visually stunning and heartfelt riposte to the emotional sterility of Kubrick's 2001: A Space Odyssey, Douglas Trumbull's eco-themed Silent Running (1972) became one of the defining science-fiction films of the seventies. Bruce Dern excels as lonely hero Freeman Lowell, cast adrift in deep space with three robotic 'Drones' who become his 'amazing companions' on a journey 'beyond imagination'.Mark Kermode, writing on his favourite science fiction...