Explore the science of human perception. Experiment with light and the color spectrum by building a color wheel, a fiber optic peacock, and diffraction glasses. Learn how the eye and a camera are similar and how they are different. Build a camera obscura and pinhole glasses. Investigate lenses and light refraction. Experiment with spatial vision and depth perception with 3D glasses and an Ames room model. Find your blind spot and watch things disappear.
Learn about stunning optical illusions involving shapes, color, depth, and scale. Make a curved line look straight. Turn cardboard transparent. See the world shrink. Make white by mixing red, green, and blue, and see colors in black and white. Learn about how optical illusions relate to techniques commonly used by artists. See how your eye and brain work together to perceive color, light, depth, perspective, size, shape, and motion.