Thanks for the pointer. I am checking it out now. Stan On 1/26/2013 8:59 PM, J. Forster wrote: > The Yahoo Microscope Group already exists with over 3700 members world > wide, which forms a huge knowlege base, from biology to microelectronics. > > http://tech.groups.yahoo.com/group/Microscope/ > > Why re-invent the wheel? > > -John >