In this episode (part 2), we complete the interview on location at Adler Planetarium. Mark and his guest cohost sister, Michelle (Nichols) Yehling talk to astronomer Dr. Mark SubbaRao of Adler Planetarium and Principal Software Architect Jonathan Fay of Microsoft Research about the details of developing the Worldwide Telescope, the conversion to Silverlight, Kinect in the WWT and future plans at Adler.