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Three Circles of Pigments
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In this activity, learners overlap the three primary colors to see how all other colors are made.
Your Blind Spot
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In this activity, learners will explore how their own eyes work by experimenting with their photoreceptors.
Spinning Cylinder: Make a triangle appear on a spinning wheel
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Spin a short piece of PVC pipe that's been marked up, and watch a triangle appear. Enjoy this optical illusion from the Exploratorium's Science Snack series.