Scientists now believe there may really be a parallel universe - in fact, there may be an infinite number of parallel universes, and we just happen to live in one of them. These other universes contain space, time and strange forms of exotic matter. Some of them may even contain you, in a slightly different form. Astonishingly, scientists ...

BBC Horizons, The Death Star. The most powerful explosions in the universe can be found in Hypernovas.

Michio Kaku explores the concepts of Time. Part 4 looks at Time on a cosmic and universal scale.

Michio Kaku explores the concepts of Time. Part 2 examines how humans interact with Time.

BBC Horizons. The Six Billion Dollar Experiment. Physics research on the grandest scale.