Hatch.Spectrometer

Home made spectromter

Introduction

Visible light is emetted in the range 400nm to 700nm, objects emit different frequencies in different amounts; human visible light cones absorb light over different frequencies and the visual cortex in our brains assemble conceptual schema of each digitally companded frequency.

• http://blog.durablescope.com/post/BuiltASpectrometer/]