You can turn an oatmeal container into a simple camera! Make a pinhole viewer and get ready to learn how lenses, like those in your eyes and cameras, work!
   
Did you know you are a little bit blind? Really! Get ready to uncover your "blind spot," and find our why we all have one!
   
Would you believe that the thousands of colors you've seen on your computer monitor are made up of only three colors? It's true! Find out how all of these colors are formed - and how you see them!

 

 



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 National Academy of  Sciences, All rights  reserved.

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