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Stereoscope
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In this activity, learners construct a device that allows them to view 2-D images in 3-D.
Seeing in the Dark
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In this activity (17th on the page), learners investigate why you cannot see colors in dim light.
Your Father's Nose
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In this fun optics activity, learners explore principles of light, reflection (mirrors), and perception. Learners work in pairs and sit on opposite sides of a "two-way" mirror.