“Full Spectrum” – The Internet Reefer’s Decoder Ring

Full Spectrum By Matt Carroll Before we even talk about the term “full spectrum“, please take a moment to enjoy the high resolution spectrograph of “white light” from the sun pictured at the top of the article, courtesy of the folks at NOAO. (They offer even higher resolution versions at the link.   They also offer a hi-res spectrograph of the […]


  This is my Project STAR spectrometer.  It was very inexpensive. I  use it for examining the color of different lights inside and outside.  (Don’t look directly at the sun through this device – or anything else!) It works by taking in light via the small opening at the upper-right. The light bounces off the diffraction […]