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Mr-Wiggly rated 15 months ago

How to make your own spectroscope out of cardboard and an old CD

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2 Reviews

TerrokNorth rated 6 months ago

From the page: "(The lights look similar to your eye, but not to the spectroscope.)"

Mr-Wiggly rated 15 months ago

How to make your own spectroscope out of cardboard and an old CD