The Optical Society of America has a very cool site about the science of light. I found instructions for making lenses from Jell-O and ice, with a great explanation of how lenses work.
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Make lenses from Jell-O
The Optical Society of America has a very cool site about the science of light. I found instructions for making lenses from Jell-O and ice, with a great explanation of how lenses work.
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