Parallel Worlds The Science of Alternative Universes and Our Future in the Cosmos

Parallel Worlds explores the possibility that one day we might be able to make the perilous journey from our universe into another, more hospitable one via wormholes and dimensional portals. Parallel worlds, instead of being a plaything for theoretical physicists, may one day be our only salvation. In particular, according to Einstein's theory, black holes may actually be gateways to another universe.