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Results #1-#10 of 25
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Spectra 
  
Match Score:
100
Byline:
J. Kaler
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See this site, from the University of Illinois, for a broad overview of the spectra of stars and other astronomical objects. You can find out about many related subjects, including…
  
Match Score:
100
Byline:
F. Hwang
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Try this Java simulation of the physics behind rainbows. You can investigate the reflection and refraction effects of light inside a water droplet and also find out how light from…
  
Match Score:
100
Byline:
L. Jones
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This website contains interesting optical illusions offering proof that our color perception is strongly influenced by surrounding colors.
  
Match Score:
100
Byline:
Publisher: Exploratorium
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This Exploratorium site contains an activity about afterimages. You'll stare at a shape on the screen for a while and then when you look away, you'll see the same shape in a…
  
Match Score:
100
Byline:
Publisher: Exploratorium
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Bubble Tray from the Exploratorium shows you how to make large soap bubbles. It describes the materials needed--they're easy to find--and gives a recipe for the soap solution. You'll…
  
Match Score:
100
Byline:
Publisher: Exploratorium
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This Exploratorium activity shows color addition. Different-colored lights are trained on the same spot on a screen so that the reflected light is white. Colored shadows can be made…
  
Match Score:
100
Byline:
A. Schwabacher; Publisher: American Museum of Natural History
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This site provides instructions to make a spectroscope from construction paper, a CD, and tape. Such a spectroscope is used to show that a white light is really made up of the…
  
Match Score:
100
Byline:
L. Cowley
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Visit the Atmospheric Optics site, by Les Cowley, for striking photographs of the natural rays and shadows that occur as small particles scatter light in the atmosphere. A variety of…
  
Match Score:
100
Byline:
Publisher: American Physical Society
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This site, from Physical Review Focus, provides a summary of research being conducted to increase the frequency of sunlight. The article contains an explanation of how a focused beam…
  
Match Score:
100
Byline:
Publisher: California Science Center
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Try paper chromatography, with well-illustrated directions and an explanation for what happens. Look at colors from different inks.
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Results #1-#10 of 25