Measuring Light Wavelength
(Originally posted by Olga in viralprojects.com) TEST: How can we sense light on a particular range of the visible spectrum? Certainly one of the most accurate sensors for such a thing is the human eye. Equipped with highly refined photosensitive cells the eye is capable of discerning between frequencies which are just a few nanometers … Read more
DIY Spectrometer
I finally decided to try to build this DIY spectrometer I had seen last month in a website [http://www.cs.cmu.edu/~zhuxj/astro/html/spectrometer.html]. It is very simple to build but so far hasn’t given me great results. All you need to build one of these is a card box and a CD. It can be built in 10 minutes … Read more




