A simple laser communicator Make your own 3D pictures in minutes Make a permanent rainbow Make a solar powered marshmallow roaster Fun with a big lens Building a simple spectroscope Building the impossible kaleidoscope Cook hotdogs with the Sun in minutes Exploring invisible light Kryptonite Build a high resolution spectrograph in 15 minutes Time Lapse Photography High Speed Photography Stacking photos for greater depth Book traversal links for Light and Optics ‹ A Classic Propellor Toy Up A simple laser communicator ›
