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Touch the Spring (Lightbulb)
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In this activity, a lightbulb is placed in front of a concave mirror. The actual lightbulb is not visible to the viewer, but the viewer can see the mirror image of the lightbulb formed in space.
Stereoscope
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In this activity, learners construct a device that allows them to view 2-D images in 3-D.
Parabolas: It's All Done with Mirrors
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In this activity about light and reflection, learners use a special device called a Mirage Maker™ to create an illusion.
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.
Special Effects: Titanic and Beyond
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In this activity, learners investigate how geometry plays a role in perspective.