Kurt Andersen thinks time travel is the ultimate fantasy. He's made peace with the fact that he probably won't be climbing into a time machine any time soon – because, he explains, he already has. The past isn't nearly as dead as we thought.

This forward-thinking space funk singer performs "Sincerely, Jane" from her album Metropolis: The Chase Suite. She tells Kurt how she came to connect with her alter ego, Cindi Mayweather, an android from the 28th century.

Kurt's invitation to the people of the future to attend the show is answered by monologist Mike Daisey. He reports, time is a lot more fluid than we think - and the TV show "Lost" is even more complicated. 

Simon Wells (the great-grandson of H.G. Wells) directed the 2002 film adaptation of his ancestor’s classic novel, The Time Machine - he explains his design for the time machine. David Goldberg thinks it will actually look more like a spaceship; he and

The writer, a winner of multiple Hugo and Nebula awards, admits she was first drawn to time travel out of a desire to go back and fix her own mistakes. Now she loves using it to allow her characters to experience history. She reads from her upcoming novel, ...

David Goldberg teaches physics at Drexel University. In A User's Guide to the Universe, he explains how time travel might be possible. He tells Kurt why the skeptics are wrong: "It's certainly within the realm of what we know about how the universe works."