TechnologyExperimental sci-fi expertly captures colliding realitiesWhen reality fractures, it takes the adventurous writing style of the novel XYZT to make it believable, says Helen Marshall in her latest columnCulture
PhysicsWhy films like Avengers: Endgame can get away with time travel tricksIn his monthly film column, Simon Ings finds that invoking the quantum world is a great way out for Avengers-style franchises when they want to mess with timeCulture