RoRo New Contributor 1 research notes and 1 wiki edits



Joined 8 months ago


Spectrometer with Test Tube Holder (Grade 7 Science Fair)

by RoRo New Contributor 8 months ago | 3 | 276 | 2

![image description](https://publiclab.org/system/images/photos/000/023/924/large/Page_1.PNG "Pag...

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