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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.
Corner Reflector
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In this optics/mathematics activity, learners use two hinged mirrors to create a kaleidoscope that shows multiple images of an object.
Experiencing Parallax With Your Thumb
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In this activity, learners investigate parallax, a method used to measure distances to stars and planets in the solar system.
Magnification vs. Resolution: Can you see the flag on the Moon?
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This fun and simple hands-on astronomy activity lets learners explore the difference between telescope magnification and resolution.
Size It Up
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In this artistic activity, learners blow up a smaller picture into a larger one, by using a grid.