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Course: Exploratorium > Unit 2
Lesson 4: CD Spectroscope- Introduction: Turn an old CD into a spectroscope to analyze light and color
- Build your own CD spectroscope: Materials, tools, and steps
- To do and notice: See the true colors
- What’s going on: Spreading light into a spectrum
- CD Spectroscope: Complete activity guide
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Build your own CD spectroscope: Materials, tools, and steps
Learn how to make a simple—but effective—spectroscope out of an old CD and a cardboard tube.
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- Do the blank disks work better because they have less "Pits"?(2 votes)
- can you use like a toilet paper roll?(2 votes)
- Oh also were can I print the cutting guide(2 votes)
- There's one on the Complete Activity Guide for this tutorial here (the last part of this tutorial—see the last item on the list to the left).(1 vote)
- Why does the light need to enter through a narrow slit?(1 vote)
- Uhm, that also, would be very nice if you just showed how it works(1 vote)
- I was Wondering if Poster Paper would work(1 vote)