Keep an eye-out for Make Vol. 14, which has a special section on optics. You'll learn how to make an inexpensive but powerful digital microscope that will allow you to display bacteria colonies on a video monitor, a vintage-looking opaque projector that can display artwork from books onto a wall, a model of a crazy-angled room that makes things appear to change size, and a cool kaleidoscope. Also in the issue, we'll show you how to build the following: a mesmerizing taffy pulling machine, a remote control dune buggy with a built in video camera, a dollar-store parabolic microphone, and many more fun and fascinating projects. makezine.com/14/ Use code CMAKE and get $5 off the subscription price! (USA) readerservices.makezine.com/MK/Subnew.aspx?pc=mk&pk=C... Less