] "One possibility is that black holes may allow us to
] travel to very remote places in the universe, or another
] universe entirely," said Burko in a telephone interview
] from his office in Salt Lake City. "It depends on the
] topology of the universe, which we do not know very
] well.... I'm not arguing it's a practical thing to do,
] but maybe in 1,000 years from now, maybe it would be
] simpler."

Wired News: Black Holes and Space Travel