Tested bulbs are about six month old – considered expired. Spectrometer pics will be added ASAP.
The in situ light microenvironment of corals Daniel Wangpraseurt, Lubos Polerecky, Anthony W. D. Larkum, Peter J. Ralph, Daniel A. Nielsen, Mathieu Pernice and Michael Kühl Limnol. Oceanogr., 59(3), 2014, 917-926 | DOI: 10.4319/lo.2014.59.3.0917 Full article available! I don't understand the choice of words "Scalar irradiance", but themeaning in my words, is the total irradiance from every... Continue Reading →
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... Continue Reading →