Raman Pi creator Mark Johnson (@flatCat_) spoke with us about spectrometers, 3D printing, and competing in the Hackaday Prize. Raman Pi project on Hackaday.ioHackaday prize semi-finalist videoMike Szczys' Fl@c@ bio on Hackaday.comOpen Source Fusor Research ConsortiumWikipedia: spectrometer, Raman spectroscopy, fusors, and optical coherence tomographyWeird Stuff is a Bay area electronics surplus storeRaman Pi...