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Showing results 1 to 7 of 7
Magic Wand
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In this activity about light and perception, learners create pictures in thin air.
Stereoscope
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In this activity, learners construct a device that allows them to view 2-D images in 3-D.
Camera Projector
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In this activity (posted on March 14, 2011), learners follow the steps to construct a camera projector to explore lenses and refraction.
Periscope
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In this activity, learners construct a device that allows them to look over ledges or around corners.
Personal Pinhole Theater
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Have you ever heard of a camera without a lens? In this activity, learners create a pinhole camera out of simple materials. They'll see the world in a whole new way: upside down and backwards!
Spinning Illusions
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In this activity, learners construct three optical illusion toys to examine how our brains play tricks on what we see.
Stroboscope
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In this activity (posted on March 20, 2011), learners follow the steps to construct a stroboscope, a device that exploits the persistence of vision to make moving objects appear slow or stationary.