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Colors, Colors?
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In this activity related to the famous "Stroop Effect," learners explore how words influence what we see and how the brain handles "mixed messages." Learners read colored words and are asked to say th

Stereoscope
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In this activity, learners construct a device that allows them to view 2-D images in 3-D.

Special Effects: Titanic and Beyond
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In this activity, learners investigate how geometry plays a role in perspective.