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Anti-Gravity Mirror
Conditional Remix & Share Permitted
CC BY-NC-SA
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In this demonstration, amaze learners by performing simple tricks using mirrors. These tricks take advantage of how a mirror can reflect your right side so it appears to be your left side. To make the effect more dramatic, cover the mirror with a cloth, climb onto the table, straddle the mirror, and then drop the cloth as you appear to "take off." This resource contains information about how this trick was applied during the making of the movie "Star Wars."

Subject:
Physical Science
Physics
Material Type:
Activity/Lab
Provider:
Exploratorium
Provider Set:
Science Snacks
Author:
California Department of Education
NEC Foundation of America
National Science Foundation
The Exploratorium
Date Added:
12/01/2012
Benham's Disk
Conditional Remix & Share Permitted
CC BY-NC-SA
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In this optics activity, learners discover that when they rotate a special black and white pattern called a Benham's Disk, it produces the illusion of colored rings. Learners experiment with the speed of rotation and direction of rotation to observe varying patterns. Use this activity to explain to learners how our eyes detect color and how different color receptors in the eye respond at different rates.

Subject:
Physical Science
Physics
Material Type:
Activity/Lab
Provider:
Exploratorium
Provider Set:
Science Snacks
Author:
California Department of Education
Don Rathjen
NEC Foundation of America
National Science Foundation
The Exploratorium
Date Added:
10/31/2012