Current Classes taught by Sam Wormley (multiple institutions)     PHS 142 M01 Principles of Astronomy       Learning Your iPad - Hands-on     Photography Field Trips   olli.dp3   AmesPhotoWalk     Tests of Big Bang Cosmology     Understanding Global Climate Change     Home Computer Security     An Illustrated Guide to Relativity     Looking at Smart Phones, Tablets, and Book Readers     Digital Photography - for Photojournalists     Digital Photography - Point and Shoot Basics   olli.dp1   mcc.dp1     Voyages of Discovery: Copernicus to the Big Bang     Digital Photography - Advanced dSLR Level   olli.dp2     Mac OS X - Leopard, Snow Leopard     iPhone, iPad and iPod-Touch     Iowa Weather