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Keep an eye out for MAKE Volume 14, which has a special section on optics. You'll learn how to make an inexpensive but powerful digital microscope that allows 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 a mesmerizing taffy pulling machine, a remote control dune buggy with a built-in video camera, a smoke ring cannon, a dollar-store parabolic microphone, and many more fun and fascinating projects.