A small team of chemists, having learned the secrets of light absorption from chlorophylls a and b, can now tune molecules to absorb anywhere in the solar spectrum. They are using this facility to ...
Morning Overview on MSN
Some colors are missing from the sun, and nobody knows why
Sunlight looks smooth and white to the naked eye, but when I break it apart with a prism or a spectrograph, it turns out to ...
ScienceAlert on MSN
There are colors missing from the sun – and we still can't fully explain why
One of the best visualizations ever produced of the spectrum of light from our glorious Sun reveals some mysterious holes in its array of colors. Most of the thousands of dark Fraunhofer lines in the ...
Allura Red, a red powdered azo dye, is commonly used in the cosmetic, food, textile, paper, and drug industries. Allura Red goes by several names, the most common being Red 40 or E129. Azo dyes are ...
Several light sources produce light across various wavelengths. While this wavelength spectrum can be useful in lighting applications, other applications require light with a restricted visible ...
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