Light and Shadow Model Documents
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The Light and Shadow Model shows light that either passes through a mask with a hole in it, or it is blocked by an object, as it travels to a screen on the right. The user can turn on and off two light bulbs (red and blue) and drag the bulbs around the screen to change their positions. Investigate how the patterns of light and shadows change as you move the bulbs, the mask or object, and/or the screen, and as you change the size of the mask or object.
Last Modified August 20, 2013
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Source Code Documents
The source code zip archive contains an XML representation of the Light and Shadow model. Unzip this archive in your EJS workspace to compile and run this model using EJS.
This material is released under the GNU General Public License Version 3.
Published April 21, 2010