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In this activity about light and reflection, learners use a special device called a Mirage Maker™ to create an illusion.

In this optics activity, learners examine how polarized light can reveal stress patterns in clear plastic.

These two activities (4th on the page) demonstrate the importance of two eyes in judging depth.

In this optics activity, learners discover that not all shadows are black. Learners explore human color perception by using colored lights to make additive color mixtures.