Tanya Kelley
Contributor
Tanya Kelley is an adjunct professor of German and Spanish at the University of Missouri, Kansas City, where she received her Ph.D. in Linguistics and History of Science. Her dissertation was titled World to Word: Nomenclature Systems of Color and Species. Other publications include “Goethe's Plant Morphology: The Seeds of Evolution.”
Primary Contributions (9)
Orange, in physics, light in the wavelength range of 585–620 nanometres in the visible spectrum. After the wavelengths of red, those of orange are the longest discernible to the human eye. In art, orange is a colour on the conventional colour wheel, located between red and yellow and opposite blue,…
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