MrBumper 3 research notes and 3 wiki edits

I am a technical journalist, ebook author, cyclist and guitar builder.



Joined over 4 years ago



Preparing a DVD-R to act as a diffraction grating

by MrBumper about 4 years ago | 14 | 15,225 | 4


My experience of building and using a spectrometer based on the Public Lab design

by MrBumper about 4 years ago | 7 | 2,270 | 1


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