THE GIANT WATER PRISM

and the cool things you can do with it.

The shell of this water prism is made of cheap, clear plastic sheet normally used to replace broken window glass.

Naturally, this giant prism will break up sunlight into beautiful, rich spectrums of color. I have one on the window sill where I am working right now, and I never get tired of pausing to contemplate the rainbow-like patches that move across the walls. But giant prisms can also create hilarious visual distortions of perception, as my son demonstrates at right. Walking while looking through a giant prism distorts your visual perception so much that your paces become an other-worldly adventure.

This project is one of the most challenging in this site. It involves using heat to bend plastic.The construction pages will walk you through step by step. Look them over. You can build this project for less than one tenth the cost of buying it from a science supply store.

INSTRUCTIONS

For illustrated instructions to a giant water prism click here or on the picture.

MORE ABOUT PRISMS AND LIGHT

For explanations, activities and cool links related to prisms and light click here or on the picture.

 

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I'd like to know how this project goes for you. I'm happy to answer questions about it. Feedback from you is an important way for me to know what works and what needs clarification.
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