We welcomed John Jossy to the show for a two segment two hour discussion on a wide range of space and space related topics.  During the first segment of our program, John talked about some key areas of his background including ordering a telescope kit form Edmund Scientific, grinding his own mirrors and making two reflector amateur telescopes.  The subject of grinding mirrors for a telescope caught on and was discussed later in the program with some of our callers.  Also in the early part of the first segment, we talked about the research sources John constantly visits and uses to not only