Shadow play : making pictures with light and lenses
Discusses how shadows form, why they change shapes, and how studying shadows led to the invention of the camera. Includes directions for building a shadow box and performing overy fifty experiments.
"Discusses how shadows form, why they change shapes, and how studying shadows led to the invention of the camera. Includes directions for building a shadow box and performing overy fifty experiments."@en
"Explores basic principles of light and discusses the invention of the camera."
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