Joanne Pransky's tongue is firmly in her cheek a fair amount of the time as she answers your questions, but much of what she says is thought-provoking, especially in light of speculations like Marshall Brain's Robotic Nation essays about the inevitable spread of robotic devices in our society.

Chris Worth has come to me (surprise!) with a review of one of the most definitive books on nanotechnology, Nanosystems. K. Eric Drexler's response to the technical issues raised by critics to nanotechnology, the book is a technical treatise