Parallel Universes, Multiverses, Alternate Timeline & Realities are the focus of many theories of physics and popular science ...

It's possible, Kaku writes, that our own universe started in just this ... In the meantime, science fiction, running in parallel, will no doubt break new ground of its own.

Holly's new invention of the 'Holly Hop Drive' promises to take Red Dwarf back home to Earth in a mere instant. What it manages, however, is to flip the ship across the fifth dimension divide and into ...