Raman Pi creator Mark Johnson (@flatCat_) spoke with us about spectrometers, 3D printing, and competing in the Hackaday Prize. 

Raman Pi project on Hackaday.io

Hackaday prize semi-finalist video

Mike Szczys' Fl@c@ bio on Hackaday.com

Open Source Fusor Research Consortium

Wikipedia: spectrometer, Raman spectroscopy, fusors, and optical coherence tomography

Weird Stuff is a Bay area electronics surplus store

Raman Pi also has its own website