CD Spectroscope

The final thing sitting on my hobby desk from this summer was Quarterly (now out of business) Maker Box #10. There were several items related to the sky and space (same thing?) and a project with the materials to make a CD Spectroscope, which can be used to analyze light.

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This is way cooler than I expected. Here are some examples…

If you’d like to make your own, Exploratorium has the instructions.