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    The Exploratorium
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    Can you deceive your eyes? When your eyes work normally, you see a nice 3 dimensional picture, but what happens when each eye sees something different? Grab a friend because this Exploratorium...

    free Ages 4 - adult Under 5 minutes
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    The Exploratorium
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    What happens when two wave pulses meet in the middle? Send waves down a spring to watch them travel and interact. This activity, developed by the Exploratorium, uses an old fashioned phone cord and...

    1 cent - $1 per student Ages 4 - 18 Under 5 minutes

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