Episode 60 of science fiction podcast is now up at Wired.com. In this show we interview theoretical physicist Brian Greene, host of the PBS special The Fabric of the Cosmos, about time travel, black holes, and parallel worlds. Then stick around after the interview as John and I discuss parallel worlds in fantasy & science fiction.
Questions or comments? Email me. You can also check out what's new on my blog or browse a complete list of my short stories. And be sure to listen to my Geek's Guide to the Galaxy podcast, featuring interviews with authors such as George R. R. Martin, Richard Dawkins, Paul Krugman, Simon Pegg, Neil deGrasse Tyson, and Ursula K. Le Guin. If you want to support my writing and podcasting, you can make a payment directly to me.