While new to science, the notion of parallel worlds was hardly new to science fiction. In this time line, track some of the scientific milestones (blue) that led up to Everett's theory and see how ...

Science fiction emerged nearly 300 years ago during a time of great advances in science. Since then authors have tried to make sense of their world by imagining what the future will look like.

Footage from the streets of China captured a scene straight from a science fiction novel – spherical drones alongside patrolling law enforcement. Chinese robotics company, Logon Technology ...