The quest to explain the nature of reality is one of the great scientific detective stories. Are we are part of a cosmic hologram? Do we exist in an infinity of parallel worlds? Show more
Discover 11,128,835 listings and 280,389 playable programmes from the BBC
The quest to explain the nature of reality is one of the great scientific detective stories. Are we are part of a cosmic hologram? Do we exist in an infinity of parallel worlds? Show more