The history and logistics of spectra are intriguing.
These data suggest that different light colour spectra might have distinct physiological effects upon wildlife -- but the challenge lies in identifying which spectra are least disturbing.
"The light spectra throws up into the night sky is a unifying point," says Boris Johnson.
Then the telescope gazes at another part of the sky and collects hundreds more spectra.
ATLANTIC CITY ART CENTER "Floral Spectra," exhibition of flower photographs by Scott Mahrer.
Their collaboration led to pioneering calculations on the nuclear spectra of isotopes of oxygen and fluorine.
The Spectra runs and handles acceptably, if noisily, but its trim is strictly third-world.
Analysis of the spectra and the identification of the molecules are continuing".
Almost identical spectra were produced by speakers of English, Mandarin, Persian and Tamil.
Seemingly doctored spectra came to the fore in a paper from Organic Letters.
(Though the term "frequency" is generally associated with pitch, these spectra also determine timbre).
