Starship Sofa is a science fiction podcast with biweekly short fiction from known authors (David Brin, Bruce Sterling) and a more regular discussion on SciFi concepts and authors. Warning. podcast contains Geordie accents and the stories contain terrible fake American accents.
Singularity, The. A black hole in the Extropian worldview whose gravity is so intense that no light can be shed on what lies beyond it. "Popular Science" talks about The Singularity, and asks "Is Science Fiction about to go blind?" Also, see previously, here and here.