This episode features a discussion of recent advances in robotics, with three guests. Erin Rapacki, Marketing Director of Suitable Technologies, demonstrates the Beam Telepresencing Robot and discusses its possible uses. Nate Koenig, senior robotics engineer and Chief Technology Officer of the Open Source Robotics Foundation, discusses the work and the mission of the Foundation, and the DARPA Robotics Challenge. Karen Shakespear Koenig, mechanical engineer and robot designer at SRI International, discusses the medical and surgical robots she works on. Also, all three guests show video clips pertinent to their work. Martin Wasserman hosts.