Guest: Dr. Jordin Kare. Topics: Laser launch, power beaming, space elevator, laser weapons, Mockingbird. Dr. Kare returned to The Space Show for updates with laser launch systems and more. We learned about the beam module approach and his work to win the NASA Climber Challenge through his company LaserMotive (www.lasermotive.com). We also discussed heat exchanger propulsion and the use of different materials for the exchanger such as Silicon Carbide. As a result of listener questions, we discussed the laser for use with the space elevator and Dr.